From 430f6d7ac1cd28406666530d6058ca18dc70d03d Mon Sep 17 00:00:00 2001 From: Deesen Date: Sun, 7 Jan 2018 18:50:42 +0100 Subject: [PATCH] [I] evolution-cms/evolution#410 - Updated Codemirror to v5.33 --- .../plugins/codemirror/cm/addon-compressed.js | 1206 +- assets/plugins/codemirror/cm/addon.css | 441 + assets/plugins/codemirror/cm/index.html | 2 + .../cm/lib/codemirror-compressed.js | 13110 +++++----------- .../plugins/codemirror/cm/lib/codemirror.css | 62 +- assets/plugins/codemirror/cm/lib/index.html | 2 + .../codemirror/cm/mode/clike-compressed.js | 112 +- .../codemirror/cm/mode/css-compressed.js | 71 +- .../cm/mode/htmlmixed-compressed.js | 36 +- assets/plugins/codemirror/cm/mode/index.html | 2 + .../cm/mode/javascript-compressed.js | 194 +- .../codemirror/cm/mode/php-compressed.js | 37 +- .../codemirror/cm/mode/sql-compressed.js | 46 +- .../codemirror/cm/mode/xml-compressed.js | 69 +- .../codemirror/cm/search-compressed.js | 220 +- .../plugins/codemirror/cm/theme/ambiance.css | 2 +- assets/plugins/codemirror/cm/theme/cobalt.css | 2 +- .../plugins/codemirror/cm/theme/eclipse.css | 2 +- .../codemirror/cm/theme/erlang-dark.css | 2 +- assets/plugins/codemirror/cm/theme/index.html | 2 + .../codemirror/cm/theme/lesser-dark.css | 2 +- .../plugins/codemirror/cm/theme/midnight.css | 2 - .../plugins/codemirror/cm/theme/monokai.css | 2 +- assets/plugins/codemirror/cm/theme/night.css | 5 +- .../plugins/codemirror/cm/theme/rubyblue.css | 2 +- .../plugins/codemirror/cm/theme/solarized.css | 39 +- .../plugins/codemirror/cm/theme/twilight.css | 2 +- .../codemirror/cm/theme/vibrant-ink.css | 2 +- .../plugins/codemirror/cm/theme/xq-dark.css | 2 +- .../plugins/codemirror/cm/theme/xq-light.css | 2 +- .../plugins/codemirror/codemirror.plugin.php | 5 +- .../plugins/codemirror/codemirror.plugin.tpl | 10 +- install/assets/plugins/CodeMirror.tpl | 12 +- 33 files changed, 6566 insertions(+), 9141 deletions(-) create mode 100644 assets/plugins/codemirror/cm/addon.css create mode 100644 assets/plugins/codemirror/cm/index.html create mode 100644 assets/plugins/codemirror/cm/lib/index.html create mode 100644 assets/plugins/codemirror/cm/mode/index.html create mode 100644 assets/plugins/codemirror/cm/theme/index.html diff --git a/assets/plugins/codemirror/cm/addon-compressed.js b/assets/plugins/codemirror/cm/addon-compressed.js index dcd936a3f0..924cfd5d7b 100755 --- a/assets/plugins/codemirror/cm/addon-compressed.js +++ b/assets/plugins/codemirror/cm/addon-compressed.js @@ -1,108 +1,1098 @@ -(function() { - var ie_lt8 = /MSIE \d/.test(navigator.userAgent) && - (document.documentMode == null || document.documentMode < 8); - - var Pos = CodeMirror.Pos; - - var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<"}; - function findMatchingBracket(cm) { - var maxScanLen = cm.state._matchBrackets.maxScanLineLength || 10000; - - var cur = cm.getCursor(), line = cm.getLineHandle(cur.line), pos = cur.ch - 1; - var match = (pos >= 0 && matching[line.text.charAt(pos)]) || matching[line.text.charAt(++pos)]; - if (!match) return null; - var forward = match.charAt(1) == ">", d = forward ? 1 : -1; - var style = cm.getTokenAt(Pos(cur.line, pos + 1)).type; - - var stack = [line.text.charAt(pos)], re = /[(){}[\]]/; - function scan(line, lineNo, start) { - if (!line.text) return; - var pos = forward ? 0 : line.text.length - 1, end = forward ? line.text.length : -1; - if (line.text.length > maxScanLen) return null; - var checkTokenStyles = line.text.length < 1000; - if (start != null) pos = start + d; - for (; pos != end; pos += d) { - var ch = line.text.charAt(pos); - if (re.test(ch) && (!checkTokenStyles || cm.getTokenAt(Pos(lineNo, pos + 1)).type == style)) { - var match = matching[ch]; - if (match.charAt(1) == ">" == forward) stack.push(ch); - else if (stack.pop() != match.charAt(0)) return {pos: pos, match: false}; - else if (!stack.length) return {pos: pos, match: true}; - } - } - } - for (var i = cur.line, found, e = forward ? Math.min(i + 100, cm.lineCount()) : Math.max(-1, i - 100); i != e; i+=d) { - if (i == cur.line) found = scan(line, i, pos); - else found = scan(cm.getLineHandle(i), i); - if (found) break; - } - return {from: Pos(cur.line, pos), to: found && Pos(i, found.pos), match: found && found.match}; - } - - function matchBrackets(cm, autoclear) { - // Disable brace matching in long lines, since it'll cause hugely slow updates - var maxHighlightLen = cm.state._matchBrackets.maxHighlightLineLength || 1000; - var found = findMatchingBracket(cm); - if (!found || cm.getLine(found.from.line).length > maxHighlightLen || - found.to && cm.getLine(found.to.line).length > maxHighlightLen) - return; - - var style = found.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket"; - var one = cm.markText(found.from, Pos(found.from.line, found.from.ch + 1), {className: style}); - var two = found.to && cm.markText(found.to, Pos(found.to.line, found.to.ch + 1), {className: style}); - // Kludge to work around the IE bug from issue #1193, where text - // input stops going to the textare whever this fires. - if (ie_lt8 && cm.state.focused) cm.display.input.focus(); - var clear = function() { - cm.operation(function() { one.clear(); two && two.clear(); }); - }; - if (autoclear) setTimeout(clear, 800); - else return clear; - } - - var currentlyHighlighted = null; - function doMatchBrackets(cm) { - cm.operation(function() { - if (currentlyHighlighted) {currentlyHighlighted(); currentlyHighlighted = null;} - if (!cm.somethingSelected()) currentlyHighlighted = matchBrackets(cm, false); - }); - } - - CodeMirror.defineOption("matchBrackets", false, function(cm, val, old) { - if (old && old != CodeMirror.Init) - cm.off("cursorActivity", doMatchBrackets); - if (val) { - cm.state._matchBrackets = typeof val == "object" ? val : {}; - cm.on("cursorActivity", doMatchBrackets); - } - }); - - CodeMirror.defineExtension("matchBrackets", function() {matchBrackets(this, true);}); - CodeMirror.defineExtension("findMatchingBracket", function(){return findMatchingBracket(this);}); -})(); - -(function(){function c(b){"activeLine"in b.state&&(b.removeLineClass(b.state.activeLine,"wrap",e),b.removeLineClass(b.state.activeLine,"background",a))}function d(b){var d=b.getLineHandle(b.getCursor().line);b.state.activeLine!=d&&(c(b),b.addLineClass(d,"wrap",e),b.addLineClass(d,"background",a),b.state.activeLine=d)}var e="CodeMirror-activeline",a="CodeMirror-activeline-background";CodeMirror.defineOption("styleActiveLine",!1,function(a,e,h){h=h&&h!=CodeMirror.Init;e&&!h?(d(a),a.on("cursorActivity", -d)):!e&&h&&(a.off("cursorActivity",d),c(a),delete a.state.activeLine)})})();CodeMirror.overlayMode=CodeMirror.overlayParser=function(c,d,e){return{startState:function(){return{base:CodeMirror.startState(c),overlay:CodeMirror.startState(d),basePos:0,baseCur:null,overlayPos:0,overlayCur:null}},copyState:function(a){return{base:CodeMirror.copyState(c,a.base),overlay:CodeMirror.copyState(d,a.overlay),basePos:a.basePos,baseCur:null,overlayPos:a.overlayPos,overlayCur:null}},token:function(a,b){a.start==b.basePos&&(b.baseCur=c.token(a,b.base),b.basePos=a.pos);a.start==b.overlayPos&& -(a.pos=a.start,b.overlayCur=d.token(a,b.overlay),b.overlayPos=a.pos);a.pos=Math.min(b.basePos,b.overlayPos);a.eol()&&(b.basePos=b.overlayPos=0);return null==b.overlayCur?b.baseCur:null!=b.baseCur&&e?b.baseCur+" "+b.overlayCur:b.overlayCur},indent:c.indent&&function(a,b){return c.indent(a.base,b)},electricChars:c.electricChars,innerMode:function(a){return{state:a.base,mode:c}},blankLine:function(a){c.blankLine&&c.blankLine(a.base);d.blankLine&&d.blankLine(a.overlay)}}};(function(){function c(d,c,a){function b(a){var b=g(d,c);if(!b||b.to.line-b.from.lined.firstLine();)c=CodeMirror.Pos(c.line-1,0),f=b(!1);if(f&&!f.cleared){a=a&&a.widget||"\u2194";if("string"==typeof a){var l=document.createTextNode(a); -a=document.createElement("span");a.appendChild(l);a.className="CodeMirror-foldmarker"}CodeMirror.on(a,"mousedown",function(){m.clear()});var m=d.markText(f.from,f.to,{replacedWith:a,clearOnEnter:!0,__isFold:!0})}}}CodeMirror.newFoldFunction=function(d,e){return function(a,b){c(a,b,{rangeFinder:d,widget:e})}};CodeMirror.defineExtension("foldCode",function(d,e){c(this,d,e)});CodeMirror.combineRangeFinders=function(){var c=Array.prototype.slice.call(arguments,0);return function(e,a){for(var b=0;bs&&(s=q.length);0>j&&(j= -q.length);j=Math.min(s,j);if(j==q.length)break;if(c.getTokenAt(CodeMirror.Pos(p,j+1)).type==h)if(j==s)++m;else if(!--m){k=p;n=j;break a}++j}if(!(null==k||a==k&&n==g))return{from:CodeMirror.Pos(a,g),to:CodeMirror.Pos(k,n)}}}; -CodeMirror.importRangeFinder=function(c,d){function e(a){if(ac.lastLine())return null;var b=c.getTokenAt(CodeMirror.Pos(a,1));/\S/.test(b.string)||(b=c.getTokenAt(CodeMirror.Pos(a,b.end+1)));if("keyword"!=b.type||"import"!=b.string)return null;var d=a;for(a=Math.min(c.lastLine(),a+10);d<=a;++d){var e=c.getLine(d).indexOf(";");if(-1!=e)return{startCh:b.end,end:CodeMirror.Pos(d,e)}}}d=d.line;var a=e(d),b;if(!a||e(d-1)||(b=e(d-2))&&b.end.line==d-1)return null;for(b=a.end;;){var g=e(b.line+ -1);if(null==g)break;b=g.end}return{from:c.clipPos(CodeMirror.Pos(d,a.startCh+1)),to:b}};CodeMirror.includeRangeFinder=function(c,d){function e(a){if(ac.lastLine())return null;var b=c.getTokenAt(CodeMirror.Pos(a,1));/\S/.test(b.string)||(b=c.getTokenAt(CodeMirror.Pos(a,b.end+1)));if("meta"==b.type&&"#include"==b.string.slice(0,8))return b.start+8}d=d.line;var a=e(d);if(null==a||null!=e(d-1))return null;for(var b=d;null!=e(b+1);)++b;return{from:CodeMirror.Pos(d,a+1),to:c.clipPos(CodeMirror.Pos(b))}};CodeMirror.tagRangeFinder=function(){var c=RegExp("<(/?)([A-Z_a-z\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD][A-Z_a-z\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD-:.0-9\\u00B7\\u0300-\\u036F\\u203F-\\u2040]*)","g");return function(d,e){function a(){if(!(h>=d.lastLine()))return f= -0,l=d.getLine(++h),!0}function b(){for(;;){var b=l.indexOf(">",f);if(-1==b)if(a())continue;else break;var c=l.lastIndexOf("/",b),c=-1d.firstLine();)c=CodeMirror.Pos(c.line-1,0),f=b(!1);if(f&&!f.cleared){a=a&&a.widget||"\u2194";if("string"==typeof a){var l=document.createTextNode(a); -a=document.createElement("span");a.appendChild(l);a.className="CodeMirror-foldmarker"}CodeMirror.on(a,"mousedown",function(){m.clear()});var m=d.markText(f.from,f.to,{replacedWith:a,clearOnEnter:!0,__isFold:!0})}}}CodeMirror.newFoldFunction=function(d,e){return function(a,b){c(a,b,{rangeFinder:d,widget:e})}};CodeMirror.defineExtension("foldCode",function(d,e){c(this,d,e)});CodeMirror.combineRangeFinders=function(){var c=Array.prototype.slice.call(arguments,0);return function(e,a){for(var b=0;bs&&(s=q.length);0>j&&(j= -q.length);j=Math.min(s,j);if(j==q.length)break;if(c.getTokenAt(CodeMirror.Pos(p,j+1)).type==h)if(j==s)++m;else if(!--m){k=p;n=j;break a}++j}if(!(null==k||a==k&&n==g))return{from:CodeMirror.Pos(a,g),to:CodeMirror.Pos(k,n)}}}; -CodeMirror.importRangeFinder=function(c,d){function e(a){if(ac.lastLine())return null;var b=c.getTokenAt(CodeMirror.Pos(a,1));/\S/.test(b.string)||(b=c.getTokenAt(CodeMirror.Pos(a,b.end+1)));if("keyword"!=b.type||"import"!=b.string)return null;var d=a;for(a=Math.min(c.lastLine(),a+10);d<=a;++d){var e=c.getLine(d).indexOf(";");if(-1!=e)return{startCh:b.end,end:CodeMirror.Pos(d,e)}}}d=d.line;var a=e(d),b;if(!a||e(d-1)||(b=e(d-2))&&b.end.line==d-1)return null;for(b=a.end;;){var g=e(b.line+ -1);if(null==g)break;b=g.end}return{from:c.clipPos(CodeMirror.Pos(d,a.startCh+1)),to:b}};CodeMirror.includeRangeFinder=function(c,d){function e(a){if(ac.lastLine())return null;var b=c.getTokenAt(CodeMirror.Pos(a,1));/\S/.test(b.string)||(b=c.getTokenAt(CodeMirror.Pos(a,b.end+1)));if("meta"==b.type&&"#include"==b.string.slice(0,8))return b.start+8}d=d.line;var a=e(d);if(null==a||null!=e(d-1))return null;for(var b=d;null!=e(b+1);)++b;return{from:CodeMirror.Pos(d,a+1),to:c.clipPos(CodeMirror.Pos(b))}};CodeMirror.tagRangeFinder=function(){var c=RegExp("<(/?)([A-Z_a-z\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD][A-Z_a-z\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD-:.0-9\\u00B7\\u0300-\\u036F\\u203F-\\u2040]*)","g");return function(d,e){function a(){if(!(h>=d.lastLine()))return f= -0,l=d.getLine(++h),!0}function b(){for(;;){var b=l.indexOf(">",f);if(-1==b)if(a())continue;else break;var c=l.lastIndexOf("/",b),c=-1=0;i--){var from=ranges[i].from(),to=ranges[i].to();if(from.line>=minLine)continue;if(to.line>=minLine)to=Pos(minLine,0);minLine=from.line;if(mode==null){if(cm.uncomment(from,to,options))mode="un";else{cm.lineComment(from,to,options);mode="line";}}else if(mode=="un"){cm.uncomment(from,to,options);}else{cm.lineComment(from,to,options);}}});function probablyInsideString(cm,pos,line){return /\bstring\b/.test(cm.getTokenTypeAt(Pos(pos.line,0)))&&!/^[\'\"\`]/.test(line)} +function getMode(cm,pos){var mode=cm.getMode() +return mode.useInnerComments===false||!mode.innerMode?mode:cm.getModeAt(pos)} +CodeMirror.defineExtension("lineComment",function(from,to,options){if(!options)options=noOptions;var self=this,mode=getMode(self,from);var firstLine=self.getLine(from.line);if(firstLine==null||probablyInsideString(self,from,firstLine))return;var commentString=options.lineComment||mode.lineComment;if(!commentString){if(options.blockCommentStart||mode.blockCommentStart){options.fullLines=true;self.blockComment(from,to,options);} +return;} +var end=Math.min(to.ch!=0||to.line==from.line?to.line+1:to.line,self.lastLine()+1);var pad=options.padding==null?" ":options.padding;var blankLines=options.commentBlankLines||from.line==to.line;self.operation(function(){if(options.indent){var baseString=null;for(var i=from.line;iwhitespace.length){baseString=whitespace;}} +for(var i=from.line;iend)return;self.operation(function(){if(options.fullLines!=false){var lastLineHasText=nonWS.test(self.getLine(end));self.replaceRange(pad+endString,Pos(end));self.replaceRange(startString+pad,Pos(from.line,0));var lead=options.blockCommentLead||mode.blockCommentLead;if(lead!=null)for(var i=from.line+1;i<=end;++i) +if(i!=end||lastLineHasText) +self.replaceRange(lead+pad,Pos(i,0));}else{self.replaceRange(endString,to);self.replaceRange(startString,from);}});});CodeMirror.defineExtension("uncomment",function(from,to,options){if(!options)options=noOptions;var self=this,mode=getMode(self,from);var end=Math.min(to.ch!=0||to.line==from.line?to.line:to.line-1,self.lastLine()),start=Math.min(from.line,end);var lineString=options.lineComment||mode.lineComment,lines=[];var pad=options.padding==null?" ":options.padding,didSomething;lineComment:{if(!lineString)break lineComment;for(var i=start;i<=end;++i){var line=self.getLine(i);var found=line.indexOf(lineString);if(found>-1&&!/comment/.test(self.getTokenTypeAt(Pos(i,found+1))))found=-1;if(found==-1&&nonWS.test(line))break lineComment;if(found>-1&&nonWS.test(line.slice(0,found)))break lineComment;lines.push(line);} +self.operation(function(){for(var i=start;i<=end;++i){var line=lines[i-start];var pos=line.indexOf(lineString),endPos=pos+lineString.length;if(pos<0)continue;if(line.slice(endPos,endPos+pad.length)==pad)endPos+=pad.length;didSomething=true;self.replaceRange("",Pos(i,pos),Pos(i,endPos));}});if(didSomething)return true;} +var startString=options.blockCommentStart||mode.blockCommentStart;var endString=options.blockCommentEnd||mode.blockCommentEnd;if(!startString||!endString)return false;var lead=options.blockCommentLead||mode.blockCommentLead;var startLine=self.getLine(start),open=startLine.indexOf(startString) +if(open==-1)return false +var endLine=end==start?startLine:self.getLine(end) +var close=endLine.indexOf(endString,end==start?open+startString.length:0);var insideStart=Pos(start,open+1),insideEnd=Pos(end,close+1) +if(close==-1||!/comment/.test(self.getTokenTypeAt(insideStart))||!/comment/.test(self.getTokenTypeAt(insideEnd))||self.getRange(insideStart,insideEnd,"\n").indexOf(endString)>-1) +return false;var lastStart=startLine.lastIndexOf(startString,from.ch);var firstEnd=lastStart==-1?-1:startLine.slice(0,from.ch).indexOf(endString,lastStart+startString.length);if(lastStart!=-1&&firstEnd!=-1&&firstEnd+endString.length!=from.ch)return false;firstEnd=endLine.indexOf(endString,to.ch);var almostLastStart=endLine.slice(to.ch).lastIndexOf(startString,firstEnd-to.ch);lastStart=(firstEnd==-1||almostLastStart==-1)?-1:to.ch+almostLastStart;if(firstEnd!=-1&&lastStart!=-1&&lastStart!=to.ch)return false;self.operation(function(){self.replaceRange("",Pos(end,close-(pad&&endLine.slice(close-pad.length,close)==pad?pad.length:0)),Pos(end,close+endString.length));var openEnd=open+startString.length;if(pad&&startLine.slice(openEnd,openEnd+pad.length)==pad)openEnd+=pad.length;self.replaceRange("",Pos(start,open),Pos(start,openEnd));if(lead)for(var i=start+1;i<=end;++i){var line=self.getLine(i),found=line.indexOf(lead);if(found==-1||nonWS.test(line.slice(0,found)))continue;var foundEnd=found+lead.length;if(pad&&line.slice(foundEnd,foundEnd+pad.length)==pad)foundEnd+=pad.length;self.replaceRange("",Pos(i,found),Pos(i,foundEnd));}});return true;});});(function(mod){if(typeof exports=="object"&&typeof module=="object") +mod(require("../../lib/codemirror"));else if(typeof define=="function"&&define.amd) +define(["../../lib/codemirror"],mod);else +mod(CodeMirror);})(function(CodeMirror){function continueComment(cm){if(cm.getOption("disableInput"))return CodeMirror.Pass;var ranges=cm.listSelections(),mode,inserts=[];for(var i=0;i-1&&found>end){insert=line.slice(0,found) +if(/\S/.test(insert)){insert="" +for(var j=0;j-1&&!/\S/.test(line.slice(0,found))){insert=line.slice(0,found)} +if(insert!=null)insert+=mode.blockCommentContinue} +if(insert==null&&mode.lineComment&&continueLineCommentEnabled(cm)){var line=cm.getLine(pos.line),found=line.indexOf(mode.lineComment);if(found>-1){insert=line.slice(0,found);if(/\S/.test(insert))insert=null;else insert+=mode.lineComment+line.slice(found+mode.lineComment.length).match(/^\s*/)[0];}} +if(insert==null)return CodeMirror.Pass;inserts[i]="\n"+insert;} +cm.operation(function(){for(var i=ranges.length-1;i>=0;i--) +cm.replaceRange(inserts[i],ranges[i].from(),ranges[i].to(),"+insert");});} +function continueLineCommentEnabled(cm){var opt=cm.getOption("continueComments");if(opt&&typeof opt=="object") +return opt.continueLineComment!==false;return true;} +CodeMirror.defineOption("continueComments",null,function(cm,val,prev){if(prev&&prev!=CodeMirror.Init) +cm.removeKeyMap("continueComment");if(val){var key="Enter";if(typeof val=="string") +key=val;else if(typeof val=="object"&&val.key) +key=val.key;var map={name:"continueComment"};map[key]=continueComment;cm.addKeyMap(map);}});});(function(mod){if(typeof exports=="object"&&typeof module=="object") +mod(require("../../lib/codemirror"));else if(typeof define=="function"&&define.amd) +define(["../../lib/codemirror"],mod);else +mod(CodeMirror);})(function(CodeMirror){function dialogDiv(cm,template,bottom){var wrap=cm.getWrapperElement();var dialog;dialog=wrap.appendChild(document.createElement("div"));if(bottom) +dialog.className="CodeMirror-dialog CodeMirror-dialog-bottom";else +dialog.className="CodeMirror-dialog CodeMirror-dialog-top";if(typeof template=="string"){dialog.innerHTML=template;}else{dialog.appendChild(template);} +return dialog;} +function closeNotification(cm,newVal){if(cm.state.currentNotificationClose) +cm.state.currentNotificationClose();cm.state.currentNotificationClose=newVal;} +CodeMirror.defineExtension("openDialog",function(template,callback,options){if(!options)options={};closeNotification(this,null);var dialog=dialogDiv(this,template,options.bottom);var closed=false,me=this;function close(newVal){if(typeof newVal=='string'){inp.value=newVal;}else{if(closed)return;closed=true;dialog.parentNode.removeChild(dialog);me.focus();if(options.onClose)options.onClose(dialog);}} +var inp=dialog.getElementsByTagName("input")[0],button;if(inp){inp.focus();if(options.value){inp.value=options.value;if(options.selectValueOnOpen!==false){inp.select();}} +if(options.onInput) +CodeMirror.on(inp,"input",function(e){options.onInput(e,inp.value,close);});if(options.onKeyUp) +CodeMirror.on(inp,"keyup",function(e){options.onKeyUp(e,inp.value,close);});CodeMirror.on(inp,"keydown",function(e){if(options&&options.onKeyDown&&options.onKeyDown(e,inp.value,close)){return;} +if(e.keyCode==27||(options.closeOnEnter!==false&&e.keyCode==13)){inp.blur();CodeMirror.e_stop(e);close();} +if(e.keyCode==13)callback(inp.value,e);});if(options.closeOnBlur!==false)CodeMirror.on(inp,"blur",close);}else if(button=dialog.getElementsByTagName("button")[0]){CodeMirror.on(button,"click",function(){close();me.focus();});if(options.closeOnBlur!==false)CodeMirror.on(button,"blur",close);button.focus();} +return close;});CodeMirror.defineExtension("openConfirm",function(template,callbacks,options){closeNotification(this,null);var dialog=dialogDiv(this,template,options&&options.bottom);var buttons=dialog.getElementsByTagName("button");var closed=false,me=this,blurring=1;function close(){if(closed)return;closed=true;dialog.parentNode.removeChild(dialog);me.focus();} +buttons[0].focus();for(var i=0;i=0;i--){var cur=ranges[i].head;cm.replaceRange("",Pos(cur.line,cur.ch-1),Pos(cur.line,cur.ch+1),"+delete");}} +function handleEnter(cm){var conf=getConfig(cm);var explode=conf&&getOption(conf,"explode");if(!explode||cm.getOption("disableInput"))return CodeMirror.Pass;var ranges=cm.listSelections();for(var i=0;i0;return{anchor:new Pos(sel.anchor.line,sel.anchor.ch+(inverted?-1:1)),head:new Pos(sel.head.line,sel.head.ch+(inverted?1:-1))};} +function handleChar(cm,ch){var conf=getConfig(cm);if(!conf||cm.getOption("disableInput"))return CodeMirror.Pass;var pairs=getOption(conf,"pairs");var pos=pairs.indexOf(ch);if(pos==-1)return CodeMirror.Pass;var triples=getOption(conf,"triples");var identical=pairs.charAt(pos+1)==ch;var ranges=cm.listSelections();var opening=pos%2==0;var type;for(var i=0;i=0&&cm.getRange(cur,Pos(cur.line,cur.ch+3))==ch+ch+ch) +curType="skipThree";else +curType="skip";}else if(identical&&cur.ch>1&&triples.indexOf(ch)>=0&&cm.getRange(Pos(cur.line,cur.ch-2),cur)==ch+ch&&(cur.ch<=2||cm.getRange(Pos(cur.line,cur.ch-3),Pos(cur.line,cur.ch-2))!=ch)){curType="addFour";}else if(identical){var prev=cur.ch==0?" ":cm.getRange(Pos(cur.line,cur.ch-1),cur) +if(!CodeMirror.isWordChar(next)&&prev!=ch&&!CodeMirror.isWordChar(prev))curType="both";else return CodeMirror.Pass;}else if(opening&&(cm.getLine(cur.line).length==cur.ch||isClosingBracket(next,pairs)||/\s/.test(next))){curType="both";}else{return CodeMirror.Pass;} +if(!type)type=curType;else if(type!=curType)return CodeMirror.Pass;} +var left=pos%2?pairs.charAt(pos-1):ch;var right=pos%2?ch:pairs.charAt(pos+1);cm.operation(function(){if(type=="skip"){cm.execCommand("goCharRight");}else if(type=="skipThree"){for(var i=0;i<3;i++) +cm.execCommand("goCharRight");}else if(type=="surround"){var sels=cm.getSelections();for(var i=0;i-1&&pos%2==1;} +function charsAround(cm,pos){var str=cm.getRange(Pos(pos.line,pos.ch-1),Pos(pos.line,pos.ch+1));return str.length==2?str:null;} +function stringStartsAfter(cm,pos){var token=cm.getTokenAt(Pos(pos.line,pos.ch+1)) +return /\bstring/.test(token.type)&&token.start==pos.ch&&(pos.ch==0||!/\bstring/.test(cm.getTokenTypeAt(pos)))}});(function(mod){if(typeof exports=="object"&&typeof module=="object") +mod(require("../../lib/codemirror"),require("../fold/xml-fold"));else if(typeof define=="function"&&define.amd) +define(["../../lib/codemirror","../fold/xml-fold"],mod);else +mod(CodeMirror);})(function(CodeMirror){CodeMirror.defineOption("autoCloseTags",false,function(cm,val,old){if(old!=CodeMirror.Init&&old) +cm.removeKeyMap("autoCloseTags");if(!val)return;var map={name:"autoCloseTags"};if(typeof val!="object"||val.whenClosing) +map["'/'"]=function(cm){return autoCloseSlash(cm);};if(typeof val!="object"||val.whenOpening) +map["'>'"]=function(cm){return autoCloseGT(cm);};cm.addKeyMap(map);});var htmlDontClose=["area","base","br","col","command","embed","hr","img","input","keygen","link","meta","param","source","track","wbr"];var htmlIndent=["applet","blockquote","body","button","div","dl","fieldset","form","frameset","h1","h2","h3","h4","h5","h6","head","html","iframe","layer","legend","object","ol","p","select","table","ul"];function autoCloseGT(cm){if(cm.getOption("disableInput"))return CodeMirror.Pass;var ranges=cm.listSelections(),replacements=[];var opt=cm.getOption("autoCloseTags");for(var i=0;ipos.ch)tagName=tagName.slice(0,tagName.length-tok.end+pos.ch);var lowerTagName=tagName.toLowerCase();if(!tagName||tok.type=="string"&&(tok.end!=pos.ch||!/[\"\']/.test(tok.string.charAt(tok.string.length-1))||tok.string.length==1)||tok.type=="tag"&&state.type=="closeTag"||tok.string.indexOf("/")==(tok.string.length-1)||dontCloseTags&&indexOf(dontCloseTags,lowerTagName)>-1||closingTagExists(cm,tagName,pos,state,true)) +return CodeMirror.Pass;var indent=indentTags&&indexOf(indentTags,lowerTagName)>-1;replacements[i]={indent:indent,text:">"+(indent?"\n\n":"")+"",newPos:indent?CodeMirror.Pos(pos.line+1,0):CodeMirror.Pos(pos.line,pos.ch+1)};} +var dontIndentOnAutoClose=(typeof opt=="object"&&opt.dontIndentOnAutoClose);for(var i=ranges.length-1;i>=0;i--){var info=replacements[i];cm.replaceRange(info.text,ranges[i].head,ranges[i].anchor,"+insert");var sel=cm.listSelections().slice(0);sel[i]={head:info.newPos,anchor:info.newPos};cm.setSelections(sel);if(!dontIndentOnAutoClose&&info.indent){cm.indentLine(info.newPos.line,null,true);cm.indentLine(info.newPos.line+1,null,true);}}} +function autoCloseCurrent(cm,typingSlash){var ranges=cm.listSelections(),replacements=[];var head=typingSlash?"/":"")replacement+=">";replacements[i]=replacement;} +cm.replaceSelections(replacements);ranges=cm.listSelections();if(!dontIndentOnAutoClose){for(var i=0;i[> ]*|[*+-] \[[x ]\]\s|[*+-]\s|(\d+)([.)]))(\s*)/,emptyListRE=/^(\s*)(>[> ]*|[*+-] \[[x ]\]|[*+-]|(\d+)[.)])(\s*)$/,unorderedListRE=/[*+-]\s/;CodeMirror.commands.newlineAndIndentContinueMarkdownList=function(cm){if(cm.getOption("disableInput"))return CodeMirror.Pass;var ranges=cm.listSelections(),replacements=[];for(var i=0;i\s*$/.test(line))cm.replaceRange("",{line:pos.line,ch:0},{line:pos.line,ch:pos.ch+1});replacements[i]="\n";}else{var indent=match[1],after=match[5];var numbered=!(unorderedListRE.test(match[2])||match[2].indexOf(">")>=0);var bullet=numbered?(parseInt(match[3],10)+1)+match[4]:match[2].replace("x"," ");replacements[i]="\n"+indent+bullet+after;if(numbered)incrementRemainingMarkdownListNumbers(cm,pos);}} +cm.replaceSelections(replacements);};function incrementRemainingMarkdownListNumbers(cm,pos){var startLine=pos.line,lookAhead=0,skipCount=0;var startItem=listRE.exec(cm.getLine(startLine)),startIndent=startItem[1];do{lookAhead+=1;var nextLineNumber=startLine+lookAhead;var nextLine=cm.getLine(nextLineNumber),nextItem=listRE.exec(nextLine);if(nextItem){var nextIndent=nextItem[1];var newNumber=(parseInt(startItem[3],10)+lookAhead-skipCount);var nextNumber=(parseInt(nextItem[3],10)),itemNumber=nextNumber;if(startIndent===nextIndent){if(newNumber===nextNumber)itemNumber=nextNumber+1;if(newNumber>nextNumber)itemNumber=newNumber+1;cm.replaceRange(nextLine.replace(listRE,nextIndent+itemNumber+nextItem[4]+nextItem[5]),{line:nextLineNumber,ch:0},{line:nextLineNumber,ch:nextLine.length});}else{if(startIndent.length>nextIndent.length)return;if((startIndent.length",")":"(<","[":"]>","]":"[<","{":"}>","}":"{<"};function findMatchingBracket(cm,where,config){var line=cm.getLineHandle(where.line),pos=where.ch-1;var afterCursor=config&&config.afterCursor +if(afterCursor==null) +afterCursor=/(^| )cm-fat-cursor($| )/.test(cm.getWrapperElement().className) +var match=(!afterCursor&&pos>=0&&matching[line.text.charAt(pos)])||matching[line.text.charAt(++pos)];if(!match)return null;var dir=match.charAt(1)==">"?1:-1;if(config&&config.strict&&(dir>0)!=(pos==where.ch))return null;var style=cm.getTokenTypeAt(Pos(where.line,pos+1));var found=scanForBracket(cm,Pos(where.line,pos+(dir>0?1:0)),dir,style||null,config);if(found==null)return null;return{from:Pos(where.line,pos),to:found&&found.pos,match:found&&found.ch==match.charAt(0),forward:dir>0};} +function scanForBracket(cm,where,dir,style,config){var maxScanLen=(config&&config.maxScanLineLength)||10000;var maxScanLines=(config&&config.maxScanLines)||1000;var stack=[];var re=config&&config.bracketRegex?config.bracketRegex:/[(){}[\]]/;var lineEnd=dir>0?Math.min(where.line+maxScanLines,cm.lastLine()+1):Math.max(cm.firstLine()-1,where.line-maxScanLines);for(var lineNo=where.line;lineNo!=lineEnd;lineNo+=dir){var line=cm.getLine(lineNo);if(!line)continue;var pos=dir>0?0:line.length-1,end=dir>0?line.length:-1;if(line.length>maxScanLen)continue;if(lineNo==where.line)pos=where.ch-(dir<0?1:0);for(;pos!=end;pos+=dir){var ch=line.charAt(pos);if(re.test(ch)&&(style===undefined||cm.getTokenTypeAt(Pos(lineNo,pos+1))==style)){var match=matching[ch];if((match.charAt(1)==">")==(dir>0))stack.push(ch);else if(!stack.length)return{pos:Pos(lineNo,pos),ch:ch};else stack.pop();}}} +return lineNo-dir==(dir>0?cm.lastLine():cm.firstLine())?false:null;} +function matchBrackets(cm,autoclear,config){var maxHighlightLen=cm.state.matchBrackets.maxHighlightLineLength||1000;var marks=[],ranges=cm.listSelections();for(var i=0;istream.pos){stream.pos=i;return null;} +stream.pos=l;return"trailingspace";},name:"trailingspace"});});});(function(mod){if(typeof exports=="object"&&typeof module=="object") +mod(require("../../lib/codemirror"));else if(typeof define=="function"&&define.amd) +define(["../../lib/codemirror"],mod);else +mod(CodeMirror);})(function(CodeMirror){"use strict";CodeMirror.registerHelper("fold","brace",function(cm,start){var line=start.line,lineText=cm.getLine(line);var tokenType;function findOpening(openCh){for(var at=start.ch,pass=0;;){var found=at<=0?-1:lineText.lastIndexOf(openCh,at-1);if(found==-1){if(pass==1)break;pass=1;at=lineText.length;continue;} +if(pass==1&&foundcm.lastLine())return null;var start=cm.getTokenAt(CodeMirror.Pos(line,1));if(!/\S/.test(start.string))start=cm.getTokenAt(CodeMirror.Pos(line,start.end+1));if(start.type!="keyword"||start.string!="import")return null;for(var i=line,e=Math.min(cm.lastLine(),line+10);i<=e;++i){var text=cm.getLine(i),semi=text.indexOf(";");if(semi!=-1)return{startCh:start.end,end:CodeMirror.Pos(i,semi)};}} +var startLine=start.line,has=hasImport(startLine),prev;if(!has||hasImport(startLine-1)||((prev=hasImport(startLine-2))&&prev.end.line==startLine-1)) +return null;for(var end=has.end;;){var next=hasImport(end.line+1);if(next==null)break;end=next.end;} +return{from:cm.clipPos(CodeMirror.Pos(startLine,has.startCh+1)),to:end};});CodeMirror.registerHelper("fold","include",function(cm,start){function hasInclude(line){if(linecm.lastLine())return null;var start=cm.getTokenAt(CodeMirror.Pos(line,1));if(!/\S/.test(start.string))start=cm.getTokenAt(CodeMirror.Pos(line,start.end+1));if(start.type=="meta"&&start.string.slice(0,8)=="#include")return start.start+8;} +var startLine=start.line,has=hasInclude(startLine);if(has==null||hasInclude(startLine-1)!=null)return null;for(var end=startLine;;){var next=hasInclude(end+1);if(next==null)break;++end;} +return{from:CodeMirror.Pos(startLine,has+1),to:cm.clipPos(CodeMirror.Pos(end))};});});(function(mod){if(typeof exports=="object"&&typeof module=="object") +mod(require("../../lib/codemirror"));else if(typeof define=="function"&&define.amd) +define(["../../lib/codemirror"],mod);else +mod(CodeMirror);})(function(CodeMirror){"use strict";CodeMirror.registerGlobalHelper("fold","comment",function(mode){return mode.blockCommentStart&&mode.blockCommentEnd;},function(cm,start){var mode=cm.getModeAt(start),startToken=mode.blockCommentStart,endToken=mode.blockCommentEnd;if(!startToken||!endToken)return;var line=start.line,lineText=cm.getLine(line);var startCh;for(var at=start.ch,pass=0;;){var found=at<=0?-1:lineText.lastIndexOf(startToken,at-1);if(found==-1){if(pass==1)return;pass=1;at=lineText.length;continue;} +if(pass==1&&foundcm.firstLine()){pos=CodeMirror.Pos(pos.line-1,0);range=getRange(false);} +if(!range||range.cleared||force==="unfold")return;var myWidget=makeWidget(cm,options);CodeMirror.on(myWidget,"mousedown",function(e){myRange.clear();CodeMirror.e_preventDefault(e);});var myRange=cm.markText(range.from,range.to,{replacedWith:myWidget,clearOnEnter:getOption(cm,options,"clearOnEnter"),__isFold:true});myRange.on("clear",function(from,to){CodeMirror.signal(cm,"unfold",cm,from,to);});CodeMirror.signal(cm,"fold",cm,range.from,range.to);} +function makeWidget(cm,options){var widget=getOption(cm,options,"widget");if(typeof widget=="string"){var text=document.createTextNode(widget);widget=document.createElement("span");widget.appendChild(text);widget.className="CodeMirror-foldmarker";}else if(widget){widget=widget.cloneNode(true)} +return widget;} +CodeMirror.newFoldFunction=function(rangeFinder,widget){return function(cm,pos){doFold(cm,pos,{rangeFinder:rangeFinder,widget:widget});};};CodeMirror.defineExtension("foldCode",function(pos,options,force){doFold(this,pos,options,force);});CodeMirror.defineExtension("isFolded",function(pos){var marks=this.findMarksAt(pos);for(var i=0;i=minSize) +mark=marker(opts.indicatorOpen);} +cm.setGutterMarker(line,opts.gutter,mark);++cur;});} +function updateInViewport(cm){var vp=cm.getViewport(),state=cm.state.foldGutter;if(!state)return;cm.operation(function(){updateFoldInfo(cm,vp.from,vp.to);});state.from=vp.from;state.to=vp.to;} +function onGutterClick(cm,line,gutter){var state=cm.state.foldGutter;if(!state)return;var opts=state.options;if(gutter!=opts.gutter)return;var folded=isFolded(cm,line);if(folded)folded.clear();else cm.foldCode(Pos(line,0),opts.rangeFinder);} +function onChange(cm){var state=cm.state.foldGutter;if(!state)return;var opts=state.options;state.from=state.to=0;clearTimeout(state.changeUpdate);state.changeUpdate=setTimeout(function(){updateInViewport(cm);},opts.foldOnChangeTimeSpan||600);} +function onViewportChange(cm){var state=cm.state.foldGutter;if(!state)return;var opts=state.options;clearTimeout(state.changeUpdate);state.changeUpdate=setTimeout(function(){var vp=cm.getViewport();if(state.from==state.to||vp.from-state.to>20||state.from-vp.to>20){updateInViewport(cm);}else{cm.operation(function(){if(vp.fromstate.to){updateFoldInfo(cm,state.to,vp.to);state.to=vp.to;}});}},opts.updateViewportTimeSpan||400);} +function onFold(cm,from){var state=cm.state.foldGutter;if(!state)return;var line=from.line;if(line>=state.from&&linemyIndent){lastLineInFold=i;}else{break;}} +if(lastLineInFold)return{from:CodeMirror.Pos(start.line,cm.getLine(start.line).length),to:CodeMirror.Pos(lastLineInFold,cm.getLine(lastLineInFold).length)};});});(function(mod){if(typeof exports=="object"&&typeof module=="object") +mod(require("../../lib/codemirror"));else if(typeof define=="function"&&define.amd) +define(["../../lib/codemirror"],mod);else +mod(CodeMirror);})(function(CodeMirror){"use strict";CodeMirror.registerHelper("fold","markdown",function(cm,start){var maxDepth=100;function isHeader(lineNo){var tokentype=cm.getTokenTypeAt(CodeMirror.Pos(lineNo,0));return tokentype&&/\bheader\b/.test(tokentype);} +function headerLevel(lineNo,line,nextLine){var match=line&&line.match(/^#+/);if(match&&isHeader(lineNo))return match[0].length;match=nextLine&&nextLine.match(/^[=\-]+\s*$/);if(match&&isHeader(lineNo+1))return nextLine[0]=="="?1:2;return maxDepth;} +var firstLine=cm.getLine(start.line),nextLine=cm.getLine(start.line+1);var level=headerLevel(start.line,firstLine,nextLine);if(level===maxDepth)return undefined;var lastLineNo=cm.lastLine();var end=start.line,nextNextLine=cm.getLine(end+2);while(end=iter.max)return;iter.ch=0;iter.text=iter.cm.getLine(++iter.line);return true;} +function prevLine(iter){if(iter.line<=iter.min)return;iter.text=iter.cm.getLine(--iter.line);iter.ch=iter.text.length;return true;} +function toTagEnd(iter){for(;;){var gt=iter.text.indexOf(">",iter.ch);if(gt==-1){if(nextLine(iter))continue;else return;} +if(!tagAt(iter,gt+1)){iter.ch=gt+1;continue;} +var lastSlash=iter.text.lastIndexOf("/",gt);var selfClose=lastSlash>-1&&!/\S/.test(iter.text.slice(lastSlash+1,gt));iter.ch=gt+1;return selfClose?"selfClose":"regular";}} +function toTagStart(iter){for(;;){var lt=iter.ch?iter.text.lastIndexOf("<",iter.ch-1):-1;if(lt==-1){if(prevLine(iter))continue;else return;} +if(!tagAt(iter,lt+1)){iter.ch=lt;continue;} +xmlTagStart.lastIndex=lt;iter.ch=lt;var match=xmlTagStart.exec(iter.text);if(match&&match.index==lt)return match;}} +function toNextTag(iter){for(;;){xmlTagStart.lastIndex=iter.ch;var found=xmlTagStart.exec(iter.text);if(!found){if(nextLine(iter))continue;else return;} +if(!tagAt(iter,found.index+1)){iter.ch=found.index+1;continue;} +iter.ch=found.index+found[0].length;return found;}} +function toPrevTag(iter){for(;;){var gt=iter.ch?iter.text.lastIndexOf(">",iter.ch-1):-1;if(gt==-1){if(prevLine(iter))continue;else return;} +if(!tagAt(iter,gt+1)){iter.ch=gt;continue;} +var lastSlash=iter.text.lastIndexOf("/",gt);var selfClose=lastSlash>-1&&!/\S/.test(iter.text.slice(lastSlash+1,gt));iter.ch=gt+1;return selfClose?"selfClose":"regular";}} +function findMatchingClose(iter,tag){var stack=[];for(;;){var next=toNextTag(iter),end,startLine=iter.line,startCh=iter.ch-(next?next[0].length:0);if(!next||!(end=toTagEnd(iter)))return;if(end=="selfClose")continue;if(next[1]){for(var i=stack.length-1;i>=0;--i)if(stack[i]==next[2]){stack.length=i;break;} +if(i<0&&(!tag||tag==next[2]))return{tag:next[2],from:Pos(startLine,startCh),to:Pos(iter.line,iter.ch)};}else{stack.push(next[2]);}}} +function findMatchingOpen(iter,tag){var stack=[];for(;;){var prev=toPrevTag(iter);if(!prev)return;if(prev=="selfClose"){toTagStart(iter);continue;} +var endLine=iter.line,endCh=iter.ch;var start=toTagStart(iter);if(!start)return;if(start[1]){stack.push(start[2]);}else{for(var i=stack.length-1;i>=0;--i)if(stack[i]==start[2]){stack.length=i;break;} +if(i<0&&(!tag||tag==start[2]))return{tag:start[2],from:Pos(iter.line,iter.ch),to:Pos(endLine,endCh)};}}} +CodeMirror.registerHelper("fold","xml",function(cm,start){var iter=new Iter(cm,start.line,0);for(;;){var openTag=toNextTag(iter),end;if(!openTag||iter.line!=start.line||!(end=toTagEnd(iter)))return;if(!openTag[1]&&end!="selfClose"){var startPos=Pos(iter.line,iter.ch);var endPos=findMatchingClose(iter,openTag[2]);return endPos&&{from:startPos,to:endPos.from};}}});CodeMirror.findMatchingTag=function(cm,pos,range){var iter=new Iter(cm,pos.line,pos.ch,range);if(iter.text.indexOf(">")==-1&&iter.text.indexOf("<")==-1)return;var end=toTagEnd(iter),to=end&&Pos(iter.line,iter.ch);var start=end&&toTagStart(iter);if(!end||!start||cmp(iter,pos)>0)return;var here={from:Pos(iter.line,iter.ch),to:to,tag:start[2]};if(end=="selfClose")return{open:here,close:null,at:"open"};if(start[1]){return{open:findMatchingOpen(iter,start[2]),close:here,at:"close"};}else{iter=new Iter(cm,to.line,to.ch,range);return{open:here,close:findMatchingClose(iter,start[2]),at:"open"};}};CodeMirror.findEnclosingTag=function(cm,pos,range,tag){var iter=new Iter(cm,pos.line,pos.ch,range);for(;;){var open=findMatchingOpen(iter,tag);if(!open)break;var forward=new Iter(cm,pos.line,pos.ch,range);var close=findMatchingClose(forward,open.tag);if(close)return{open:open,close:close};}};CodeMirror.scanForClosingTag=function(cm,pos,name,end){var iter=new Iter(cm,pos.line,pos.ch,end?{from:0,to:end}:null);return findMatchingClose(iter,name);};});(function(mod){if(typeof exports=="object"&&typeof module=="object") +mod(require("../../lib/codemirror"));else if(typeof define=="function"&&define.amd) +define(["../../lib/codemirror"],mod);else +mod(CodeMirror);})(function(CodeMirror){"use strict";var WORD=/[\w$]+/,RANGE=500;CodeMirror.registerHelper("hint","anyword",function(editor,options){var word=options&&options.word||WORD;var range=options&&options.range||RANGE;var cur=editor.getCursor(),curLine=editor.getLine(cur.line);var end=cur.ch,start=end;while(start&&word.test(curLine.charAt(start-1)))--start;var curWord=start!=end&&curLine.slice(start,end);var list=options&&options.list||[],seen={};var re=new RegExp(word.source,"g");for(var dir=-1;dir<=1;dir+=2){var line=cur.line,endLine=Math.min(Math.max(line+dir*range,editor.firstLine()),editor.lastLine())+dir;for(;line!=endLine;line+=dir){var text=editor.getLine(line),m;while(m=re.exec(text)){if(line==cur.line&&m[0]===curWord)continue;if((!curWord||m[0].lastIndexOf(curWord,0)==0)&&!Object.prototype.hasOwnProperty.call(seen,m[0])){seen[m[0]]=true;list.push(m[0]);}}}} +return{list:list,from:CodeMirror.Pos(cur.line,start),to:CodeMirror.Pos(cur.line,end)};});});(function(mod){if(typeof exports=="object"&&typeof module=="object") +mod(require("../../lib/codemirror"),require("../../mode/css/css"));else if(typeof define=="function"&&define.amd) +define(["../../lib/codemirror","../../mode/css/css"],mod);else +mod(CodeMirror);})(function(CodeMirror){"use strict";var pseudoClasses={link:1,visited:1,active:1,hover:1,focus:1,"first-letter":1,"first-line":1,"first-child":1,before:1,after:1,lang:1};CodeMirror.registerHelper("hint","css",function(cm){var cur=cm.getCursor(),token=cm.getTokenAt(cur);var inner=CodeMirror.innerMode(cm.getMode(),token.state);if(inner.mode.name!="css")return;if(token.type=="keyword"&&"!important".indexOf(token.string)==0) +return{list:["!important"],from:CodeMirror.Pos(cur.line,token.start),to:CodeMirror.Pos(cur.line,token.end)};var start=token.start,end=cur.ch,word=token.string.slice(0,end-start);if(/[^\w$_-]/.test(word)){word="";start=end=cur.ch;} +var spec=CodeMirror.resolveMode("text/css");var result=[];function add(keywords){for(var name in keywords) +if(!word||name.lastIndexOf(word,0)==0) +result.push(name);} +var st=inner.state.state;if(st=="pseudo"||token.type=="variable-3"){add(pseudoClasses);}else if(st=="block"||st=="maybeprop"){add(spec.propertyKeywords);}else if(st=="prop"||st=="parens"||st=="at"||st=="params"){add(spec.valueKeywords);add(spec.colorKeywords);}else if(st=="media"||st=="media_parens"){add(spec.mediaTypes);add(spec.mediaFeatures);} +if(result.length)return{list:result,from:CodeMirror.Pos(cur.line,start),to:CodeMirror.Pos(cur.line,end)};});});(function(mod){if(typeof exports=="object"&&typeof module=="object") +mod(require("../../lib/codemirror"),require("./xml-hint"));else if(typeof define=="function"&&define.amd) +define(["../../lib/codemirror","./xml-hint"],mod);else +mod(CodeMirror);})(function(CodeMirror){"use strict";var langs="ab aa af ak sq am ar an hy as av ae ay az bm ba eu be bn bh bi bs br bg my ca ch ce ny zh cv kw co cr hr cs da dv nl dz en eo et ee fo fj fi fr ff gl ka de el gn gu ht ha he hz hi ho hu ia id ie ga ig ik io is it iu ja jv kl kn kr ks kk km ki rw ky kv kg ko ku kj la lb lg li ln lo lt lu lv gv mk mg ms ml mt mi mr mh mn na nv nb nd ne ng nn no ii nr oc oj cu om or os pa pi fa pl ps pt qu rm rn ro ru sa sc sd se sm sg sr gd sn si sk sl so st es su sw ss sv ta te tg th ti bo tk tl tn to tr ts tt tw ty ug uk ur uz ve vi vo wa cy wo fy xh yi yo za zu".split(" ");var targets=["_blank","_self","_top","_parent"];var charsets=["ascii","utf-8","utf-16","latin1","latin1"];var methods=["get","post","put","delete"];var encs=["application/x-www-form-urlencoded","multipart/form-data","text/plain"];var media=["all","screen","print","embossed","braille","handheld","print","projection","screen","tty","tv","speech","3d-glasses","resolution [>][<][=] [X]","device-aspect-ratio: X/Y","orientation:portrait","orientation:landscape","device-height: [X]","device-width: [X]"];var s={attrs:{}};var data={a:{attrs:{href:null,ping:null,type:null,media:media,target:targets,hreflang:langs}},abbr:s,acronym:s,address:s,applet:s,area:{attrs:{alt:null,coords:null,href:null,target:null,ping:null,media:media,hreflang:langs,type:null,shape:["default","rect","circle","poly"]}},article:s,aside:s,audio:{attrs:{src:null,mediagroup:null,crossorigin:["anonymous","use-credentials"],preload:["none","metadata","auto"],autoplay:["","autoplay"],loop:["","loop"],controls:["","controls"]}},b:s,base:{attrs:{href:null,target:targets}},basefont:s,bdi:s,bdo:s,big:s,blockquote:{attrs:{cite:null}},body:s,br:s,button:{attrs:{form:null,formaction:null,name:null,value:null,autofocus:["","autofocus"],disabled:["","autofocus"],formenctype:encs,formmethod:methods,formnovalidate:["","novalidate"],formtarget:targets,type:["submit","reset","button"]}},canvas:{attrs:{width:null,height:null}},caption:s,center:s,cite:s,code:s,col:{attrs:{span:null}},colgroup:{attrs:{span:null}},command:{attrs:{type:["command","checkbox","radio"],label:null,icon:null,radiogroup:null,command:null,title:null,disabled:["","disabled"],checked:["","checked"]}},data:{attrs:{value:null}},datagrid:{attrs:{disabled:["","disabled"],multiple:["","multiple"]}},datalist:{attrs:{data:null}},dd:s,del:{attrs:{cite:null,datetime:null}},details:{attrs:{open:["","open"]}},dfn:s,dir:s,div:s,dl:s,dt:s,em:s,embed:{attrs:{src:null,type:null,width:null,height:null}},eventsource:{attrs:{src:null}},fieldset:{attrs:{disabled:["","disabled"],form:null,name:null}},figcaption:s,figure:s,font:s,footer:s,form:{attrs:{action:null,name:null,"accept-charset":charsets,autocomplete:["on","off"],enctype:encs,method:methods,novalidate:["","novalidate"],target:targets}},frame:s,frameset:s,h1:s,h2:s,h3:s,h4:s,h5:s,h6:s,head:{attrs:{},children:["title","base","link","style","meta","script","noscript","command"]},header:s,hgroup:s,hr:s,html:{attrs:{manifest:null},children:["head","body"]},i:s,iframe:{attrs:{src:null,srcdoc:null,name:null,width:null,height:null,sandbox:["allow-top-navigation","allow-same-origin","allow-forms","allow-scripts"],seamless:["","seamless"]}},img:{attrs:{alt:null,src:null,ismap:null,usemap:null,width:null,height:null,crossorigin:["anonymous","use-credentials"]}},input:{attrs:{alt:null,dirname:null,form:null,formaction:null,height:null,list:null,max:null,maxlength:null,min:null,name:null,pattern:null,placeholder:null,size:null,src:null,step:null,value:null,width:null,accept:["audio/*","video/*","image/*"],autocomplete:["on","off"],autofocus:["","autofocus"],checked:["","checked"],disabled:["","disabled"],formenctype:encs,formmethod:methods,formnovalidate:["","novalidate"],formtarget:targets,multiple:["","multiple"],readonly:["","readonly"],required:["","required"],type:["hidden","text","search","tel","url","email","password","datetime","date","month","week","time","datetime-local","number","range","color","checkbox","radio","file","submit","image","reset","button"]}},ins:{attrs:{cite:null,datetime:null}},kbd:s,keygen:{attrs:{challenge:null,form:null,name:null,autofocus:["","autofocus"],disabled:["","disabled"],keytype:["RSA"]}},label:{attrs:{"for":null,form:null}},legend:s,li:{attrs:{value:null}},link:{attrs:{href:null,type:null,hreflang:langs,media:media,sizes:["all","16x16","16x16 32x32","16x16 32x32 64x64"]}},map:{attrs:{name:null}},mark:s,menu:{attrs:{label:null,type:["list","context","toolbar"]}},meta:{attrs:{content:null,charset:charsets,name:["viewport","application-name","author","description","generator","keywords"],"http-equiv":["content-language","content-type","default-style","refresh"]}},meter:{attrs:{value:null,min:null,low:null,high:null,max:null,optimum:null}},nav:s,noframes:s,noscript:s,object:{attrs:{data:null,type:null,name:null,usemap:null,form:null,width:null,height:null,typemustmatch:["","typemustmatch"]}},ol:{attrs:{reversed:["","reversed"],start:null,type:["1","a","A","i","I"]}},optgroup:{attrs:{disabled:["","disabled"],label:null}},option:{attrs:{disabled:["","disabled"],label:null,selected:["","selected"],value:null}},output:{attrs:{"for":null,form:null,name:null}},p:s,param:{attrs:{name:null,value:null}},pre:s,progress:{attrs:{value:null,max:null}},q:{attrs:{cite:null}},rp:s,rt:s,ruby:s,s:s,samp:s,script:{attrs:{type:["text/javascript"],src:null,async:["","async"],defer:["","defer"],charset:charsets}},section:s,select:{attrs:{form:null,name:null,size:null,autofocus:["","autofocus"],disabled:["","disabled"],multiple:["","multiple"]}},small:s,source:{attrs:{src:null,type:null,media:null}},span:s,strike:s,strong:s,style:{attrs:{type:["text/css"],media:media,scoped:null}},sub:s,summary:s,sup:s,table:s,tbody:s,td:{attrs:{colspan:null,rowspan:null,headers:null}},textarea:{attrs:{dirname:null,form:null,maxlength:null,name:null,placeholder:null,rows:null,cols:null,autofocus:["","autofocus"],disabled:["","disabled"],readonly:["","readonly"],required:["","required"],wrap:["soft","hard"]}},tfoot:s,th:{attrs:{colspan:null,rowspan:null,headers:null,scope:["row","col","rowgroup","colgroup"]}},thead:s,time:{attrs:{datetime:null}},title:s,tr:s,track:{attrs:{src:null,label:null,"default":null,kind:["subtitles","captions","descriptions","chapters","metadata"],srclang:langs}},tt:s,u:s,ul:s,"var":s,video:{attrs:{src:null,poster:null,width:null,height:null,crossorigin:["anonymous","use-credentials"],preload:["auto","metadata","none"],autoplay:["","autoplay"],mediagroup:["movie"],muted:["","muted"],controls:["","controls"]}},wbr:s};var globalAttrs={accesskey:["a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","0","1","2","3","4","5","6","7","8","9"],"class":null,contenteditable:["true","false"],contextmenu:null,dir:["ltr","rtl","auto"],draggable:["true","false","auto"],dropzone:["copy","move","link","string:","file:"],hidden:["hidden"],id:null,inert:["inert"],itemid:null,itemprop:null,itemref:null,itemscope:["itemscope"],itemtype:null,lang:["en","es"],spellcheck:["true","false"],style:null,tabindex:["1","2","3","4","5","6","7","8","9"],title:null,translate:["yes","no"],onclick:null,rel:["stylesheet","alternate","author","bookmark","help","license","next","nofollow","noreferrer","prefetch","prev","search","tag"]};function populate(obj){for(var attr in globalAttrs)if(globalAttrs.hasOwnProperty(attr)) +obj.attrs[attr]=globalAttrs[attr];} +populate(s);for(var tag in data)if(data.hasOwnProperty(tag)&&data[tag]!=s) +populate(data[tag]);CodeMirror.htmlSchema=data;function htmlHint(cm,options){var local={schemaInfo:data};if(options)for(var opt in options)local[opt]=options[opt];return CodeMirror.hint.xml(cm,local);} +CodeMirror.registerHelper("hint","html",htmlHint);});(function(mod){if(typeof exports=="object"&&typeof module=="object") +mod(require("../../lib/codemirror"));else if(typeof define=="function"&&define.amd) +define(["../../lib/codemirror"],mod);else +mod(CodeMirror);})(function(CodeMirror){var Pos=CodeMirror.Pos;function forEach(arr,f){for(var i=0,e=arr.length;icur.ch){token.end=cur.ch;token.string=token.string.slice(0,cur.ch-token.start);} +var tprop=token;while(tprop.type=="property"){tprop=getToken(editor,Pos(cur.line,tprop.start));if(tprop.string!=".")return;tprop=getToken(editor,Pos(cur.line,tprop.start));if(!context)var context=[];context.push(tprop);} +return{list:getCompletions(token,context,keywords,options),from:Pos(cur.line,token.start),to:Pos(cur.line,token.end)};} +function javascriptHint(editor,options){return scriptHint(editor,javascriptKeywords,function(e,cur){return e.getTokenAt(cur);},options);};CodeMirror.registerHelper("hint","javascript",javascriptHint);function getCoffeeScriptToken(editor,cur){var token=editor.getTokenAt(cur);if(cur.ch==token.start+1&&token.string.charAt(0)=='.'){token.end=token.start;token.string='.';token.type="property";} +else if(/^\.[\w$_]*$/.test(token.string)){token.type="property";token.start++;token.string=token.string.replace(/\./,'');} +return token;} +function coffeescriptHint(editor,options){return scriptHint(editor,coffeescriptKeywords,getCoffeeScriptToken,options);} +CodeMirror.registerHelper("hint","coffeescript",coffeescriptHint);var stringProps=("charAt charCodeAt indexOf lastIndexOf substring substr slice trim trimLeft trimRight "+"toUpperCase toLowerCase split concat match replace search").split(" ");var arrayProps=("length concat join splice push pop shift unshift slice reverse sort indexOf "+"lastIndexOf every some filter forEach map reduce reduceRight ").split(" ");var funcProps="prototype apply call bind".split(" ");var javascriptKeywords=("break case catch continue debugger default delete do else false finally for function "+"if in instanceof new null return switch throw true try typeof var void while with").split(" ");var coffeescriptKeywords=("and break catch class continue delete do else extends false finally for "+"if in instanceof isnt new no not null of off on or return switch then throw true try typeof until void while with yes").split(" ");function forAllProps(obj,callback){if(!Object.getOwnPropertyNames||!Object.getPrototypeOf){for(var name in obj)callback(name)}else{for(var o=obj;o;o=Object.getPrototypeOf(o)) +Object.getOwnPropertyNames(o).forEach(callback)}} +function getCompletions(token,context,keywords,options){var found=[],start=token.string,global=options&&options.globalScope||window;function maybeAdd(str){if(str.lastIndexOf(start,0)==0&&!arrayContains(found,str))found.push(str);} +function gatherCompletions(obj){if(typeof obj=="string")forEach(stringProps,maybeAdd);else if(obj instanceof Array)forEach(arrayProps,maybeAdd);else if(obj instanceof Function)forEach(funcProps,maybeAdd);forAllProps(obj,maybeAdd)} +if(context&&context.length){var obj=context.pop(),base;if(obj.type&&obj.type.indexOf("variable")===0){if(options&&options.additionalContext) +base=options.additionalContext[obj.string];if(!options||options.useGlobalScope!==false) +base=base||global[obj.string];}else if(obj.type=="string"){base="";}else if(obj.type=="atom"){base=1;}else if(obj.type=="function"){if(global.jQuery!=null&&(obj.string=='$'||obj.string=='jQuery')&&(typeof global.jQuery=='function')) +base=global.jQuery();else if(global._!=null&&(obj.string=='_')&&(typeof global._=='function')) +base=global._();} +while(base!=null&&context.length) +base=base[context.pop().string];if(base!=null)gatherCompletions(base);}else{for(var v=token.state.localVars;v;v=v.next)maybeAdd(v.name);for(var v=token.state.globalVars;v;v=v.next)maybeAdd(v.name);if(!options||options.useGlobalScope!==false) +gatherCompletions(global);forEach(keywords,maybeAdd);} +return found;}});(function(mod){if(typeof exports=="object"&&typeof module=="object") +mod(require("../../lib/codemirror"));else if(typeof define=="function"&&define.amd) +define(["../../lib/codemirror"],mod);else +mod(CodeMirror);})(function(CodeMirror){"use strict";var HINT_ELEMENT_CLASS="CodeMirror-hint";var ACTIVE_HINT_ELEMENT_CLASS="CodeMirror-hint-active";CodeMirror.showHint=function(cm,getHints,options){if(!getHints)return cm.showHint(options);if(options&&options.async)getHints.async=true;var newOpts={hint:getHints};if(options)for(var prop in options)newOpts[prop]=options[prop];return cm.showHint(newOpts);};CodeMirror.defineExtension("showHint",function(options){options=parseOptions(this,this.getCursor("start"),options);var selections=this.listSelections() +if(selections.length>1)return;if(this.somethingSelected()){if(!options.hint.supportsSelection)return;for(var i=0;ihints.clientHeight+1 +var startScroll=cm.getScrollInfo();if(overlapY>0){var height=box.bottom-box.top,curTop=pos.top-(pos.bottom-box.top);if(curTop-height>0){hints.style.top=(top=pos.top-height)+"px";below=false;}else if(height>winH){hints.style.height=(winH-5)+"px";hints.style.top=(top=pos.bottom-box.top)+"px";var cursor=cm.getCursor();if(data.from.ch!=cursor.ch){pos=cm.cursorCoords(cursor);hints.style.left=(left=pos.left)+"px";box=hints.getBoundingClientRect();}}} +var overlapX=box.right-winW;if(overlapX>0){if(box.right-box.left>winW){hints.style.width=(winW-5)+"px";overlapX-=(box.right-box.left)-winW;} +hints.style.left=(left=pos.left-overlapX)+"px";} +if(scrolls)for(var node=hints.firstChild;node;node=node.nextSibling) +node.style.paddingRight=cm.display.nativeBarWidth+"px" +cm.addKeyMap(this.keyMap=buildKeyMap(completion,{moveFocus:function(n,avoidWrap){widget.changeActive(widget.selectedHint+n,avoidWrap);},setFocus:function(n){widget.changeActive(n);},menuSize:function(){return widget.screenAmount();},length:completions.length,close:function(){completion.close();},pick:function(){widget.pick();},data:data}));if(completion.options.closeOnUnfocus){var closingOnBlur;cm.on("blur",this.onBlur=function(){closingOnBlur=setTimeout(function(){completion.close();},100);});cm.on("focus",this.onFocus=function(){clearTimeout(closingOnBlur);});} +cm.on("scroll",this.onScroll=function(){var curScroll=cm.getScrollInfo(),editor=cm.getWrapperElement().getBoundingClientRect();var newTop=top+startScroll.top-curScroll.top;var point=newTop-(window.pageYOffset||(document.documentElement||document.body).scrollTop);if(!below)point+=hints.offsetHeight;if(point<=editor.top||point>=editor.bottom)return completion.close();hints.style.top=newTop+"px";hints.style.left=(left+startScroll.left-curScroll.left)+"px";});CodeMirror.on(hints,"dblclick",function(e){var t=getHintElement(hints,e.target||e.srcElement);if(t&&t.hintId!=null){widget.changeActive(t.hintId);widget.pick();}});CodeMirror.on(hints,"click",function(e){var t=getHintElement(hints,e.target||e.srcElement);if(t&&t.hintId!=null){widget.changeActive(t.hintId);if(completion.options.completeOnSingleClick)widget.pick();}});CodeMirror.on(hints,"mousedown",function(){setTimeout(function(){cm.focus();},20);});CodeMirror.signal(data,"select",completions[this.selectedHint],hints.childNodes[this.selectedHint]);return true;} +Widget.prototype={close:function(){if(this.completion.widget!=this)return;this.completion.widget=null;this.hints.parentNode.removeChild(this.hints);this.completion.cm.removeKeyMap(this.keyMap);var cm=this.completion.cm;if(this.completion.options.closeOnUnfocus){cm.off("blur",this.onBlur);cm.off("focus",this.onFocus);} +cm.off("scroll",this.onScroll);},disable:function(){this.completion.cm.removeKeyMap(this.keyMap);var widget=this;this.keyMap={Enter:function(){widget.picked=true;}};this.completion.cm.addKeyMap(this.keyMap);},pick:function(){this.completion.pick(this.data,this.selectedHint);},changeActive:function(i,avoidWrap){if(i>=this.data.list.length) +i=avoidWrap?this.data.list.length-1:0;else if(i<0) +i=avoidWrap?0:this.data.list.length-1;if(this.selectedHint==i)return;var node=this.hints.childNodes[this.selectedHint];node.className=node.className.replace(" "+ACTIVE_HINT_ELEMENT_CLASS,"");node=this.hints.childNodes[this.selectedHint=i];node.className+=" "+ACTIVE_HINT_ELEMENT_CLASS;if(node.offsetTopthis.hints.scrollTop+this.hints.clientHeight) +this.hints.scrollTop=node.offsetTop+node.offsetHeight-this.hints.clientHeight+3;CodeMirror.signal(this.data,"select",this.data.list[this.selectedHint],node);},screenAmount:function(){return Math.floor(this.hints.clientHeight / this.hints.firstChild.offsetHeight)||1;}};function applicableHelpers(cm,helpers){if(!cm.somethingSelected())return helpers +var result=[] +for(var i=0;i0)callback(result) +else run(i+1)})} +run(0)} +resolved.async=true +resolved.supportsSelection=true +return resolved}else if(words=cm.getHelper(cm.getCursor(),"hintWords")){return function(cm){return CodeMirror.hint.fromList(cm,{words:words})}}else if(CodeMirror.hint.anyword){return function(cm,options){return CodeMirror.hint.anyword(cm,options)}}else{return function(){}}} +CodeMirror.registerHelper("hint","auto",{resolve:resolveAutoHints});CodeMirror.registerHelper("hint","fromList",function(cm,options){var cur=cm.getCursor(),token=cm.getTokenAt(cur);var to=CodeMirror.Pos(cur.line,token.end);if(token.string&&/\w/.test(token.string[token.string.length-1])){var term=token.string,from=CodeMirror.Pos(cur.line,token.start);}else{var term="",from=to;} +var found=[];for(var i=0;i,]/,closeOnUnfocus:true,completeOnSingleClick:true,container:null,customKeys:null,extraKeys:null};CodeMirror.defineOption("hintOptions",null);});(function(mod){if(typeof exports=="object"&&typeof module=="object") +mod(require("../../lib/codemirror"),require("../../mode/sql/sql"));else if(typeof define=="function"&&define.amd) +define(["../../lib/codemirror","../../mode/sql/sql"],mod);else +mod(CodeMirror);})(function(CodeMirror){"use strict";var tables;var defaultTable;var keywords;var identifierQuote;var CONS={QUERY_DIV:";",ALIAS_KEYWORD:"AS"};var Pos=CodeMirror.Pos,cmpPos=CodeMirror.cmpPos;function isArray(val){return Object.prototype.toString.call(val)=="[object Array]"} +function getKeywords(editor){var mode=editor.doc.modeOption;if(mode==="sql")mode="text/x-sql";return CodeMirror.resolveMode(mode).keywords;} +function getIdentifierQuote(editor){var mode=editor.doc.modeOption;if(mode==="sql")mode="text/x-sql";return CodeMirror.resolveMode(mode).identifierQuote||"`";} +function getText(item){return typeof item=="string"?item:item.text;} +function wrapTable(name,value){if(isArray(value))value={columns:value} +if(!value.text)value.text=name +return value} +function parseTables(input){var result={} +if(isArray(input)){for(var i=input.length-1;i>=0;i--){var item=input[i] +result[getText(item).toUpperCase()]=wrapTable(getText(item),item)}}else if(input){for(var name in input) +result[name.toUpperCase()]=wrapTable(name,input[name])} +return result} +function getTable(name){return tables[name.toUpperCase()]} +function shallowClone(object){var result={};for(var key in object)if(object.hasOwnProperty(key)) +result[key]=object[key];return result;} +function match(string,word){var len=string.length;var sub=getText(word).substr(0,len);return string.toUpperCase()===sub.toUpperCase();} +function addMatches(result,search,wordlist,formatter){if(isArray(wordlist)){for(var i=0;i0)&&cmpPos(current,separator[i])<=0){validRange={start:prevItem,end:separator[i]};break;} +prevItem=separator[i];} +var query=doc.getRange(validRange.start,validRange.end,false);for(var i=0;icur.ch){token.end=cur.ch;token.string=token.string.slice(0,cur.ch-token.start);} +if(token.string.match(/^[.`"\w@]\w*$/)){search=token.string;start=token.start;end=token.end;}else{start=end=cur.ch;search="";} +if(search.charAt(0)=="."||search.charAt(0)==identifierQuote){start=nameCompletion(cur,token,result,editor);}else{addMatches(result,search,tables,function(w){return w;});addMatches(result,search,defaultTable,function(w){return w;});if(!disableKeywords) +addMatches(result,search,keywords,function(w){return w.toUpperCase();});} +return{list:result,from:Pos(cur.line,start),to:Pos(cur.line,end)};});});(function(mod){if(typeof exports=="object"&&typeof module=="object") +mod(require("../../lib/codemirror"));else if(typeof define=="function"&&define.amd) +define(["../../lib/codemirror"],mod);else +mod(CodeMirror);})(function(CodeMirror){"use strict";var Pos=CodeMirror.Pos;function getHints(cm,options){var tags=options&&options.schemaInfo;var quote=(options&&options.quoteChar)||'"';if(!tags)return;var cur=cm.getCursor(),token=cm.getTokenAt(cur);if(token.end>cur.ch){token.end=cur.ch;token.string=token.string.slice(0,cur.ch-token.start);} +var inner=CodeMirror.innerMode(cm.getMode(),token.state);if(inner.mode.name!="xml")return;var result=[],replaceToken=false,prefix;var tag=/\btag\b/.test(token.type)&&!/>$/.test(token.string);var tagName=tag&&/^\w/.test(token.string),tagStart;if(tagName){var before=cm.getLine(cur.line).slice(Math.max(0,token.start-2),token.start);var tagType=/<\/$/.test(before)?"close":/<$/.test(before)?"open":null;if(tagType)tagStart=token.start-(tagType=="close"?2:1);}else if(tag&&token.string=="<"){tagType="open";}else if(tag&&token.string=="");}else{var curTag=tags[inner.state.tagName],attrs=curTag&&curTag.attrs;var globalAttrs=tags["!attrs"];if(!attrs&&!globalAttrs)return;if(!attrs){attrs=globalAttrs;}else if(globalAttrs){var set={};for(var nm in globalAttrs)if(globalAttrs.hasOwnProperty(nm))set[nm]=globalAttrs[nm];for(var nm in attrs)if(attrs.hasOwnProperty(nm))set[nm]=attrs[nm];attrs=set;} +if(token.type=="string"||token.string=="="){var before=cm.getRange(Pos(cur.line,Math.max(0,cur.ch-60)),Pos(cur.line,token.type=="string"?token.start:token.end));var atName=before.match(/([^\s\u00a0=<>\"\']+)=$/),atValues;if(!atName||!attrs.hasOwnProperty(atName[1])||!(atValues=attrs[atName[1]]))return;if(typeof atValues=='function')atValues=atValues.call(this,cm);if(token.type=="string"){prefix=token.string;var n=0;if(/['"]/.test(token.string.charAt(0))){quote=token.string.charAt(0);prefix=token.string.slice(1);n++;} +var len=token.string.length;if(/['"]/.test(token.string.charAt(len-1))){quote=token.string.charAt(len-1);prefix=token.string.substr(n,len-2);} +replaceToken=true;} +for(var i=0;i0){var pos=error.character;tabpositions.forEach(function(tabposition){if(pos>tabposition)pos-=1;});error.character=pos;}} +var start=error.character-1,end=start+1;if(error.evidence){index=error.evidence.substring(start).search(/.\b/);if(index>-1){end+=index;}} +error.description=error.reason;error.start=error.character;error.end=end;error=cleanup(error);if(error) +output.push({message:error.description,severity:error.severity,from:CodeMirror.Pos(error.line-1,start),to:CodeMirror.Pos(error.line-1,end)});}}}});(function(mod){if(typeof exports=="object"&&typeof module=="object") +mod(require("../../lib/codemirror"));else if(typeof define=="function"&&define.amd) +define(["../../lib/codemirror"],mod);else +mod(CodeMirror);})(function(CodeMirror){"use strict";CodeMirror.registerHelper("lint","json",function(text){var found=[];if(!window.jsonlint){if(window.console){window.console.error("Error: window.jsonlint not defined, CodeMirror JSON linting cannot run.");} +return found;} +jsonlint.parseError=function(str,hash){var loc=hash.loc;found.push({from:CodeMirror.Pos(loc.first_line-1,loc.first_column),to:CodeMirror.Pos(loc.last_line-1,loc.last_column),message:str});};try{jsonlint.parse(text);} +catch(e){} +return found;});});(function(mod){if(typeof exports=="object"&&typeof module=="object") +mod(require("../../lib/codemirror"));else if(typeof define=="function"&&define.amd) +define(["../../lib/codemirror"],mod);else +mod(CodeMirror);})(function(CodeMirror){"use strict";var GUTTER_ID="CodeMirror-lint-markers";function showTooltip(e,content){var tt=document.createElement("div");tt.className="CodeMirror-lint-tooltip";tt.appendChild(content.cloneNode(true));document.body.appendChild(tt);function position(e){if(!tt.parentNode)return CodeMirror.off(document,"mousemove",position);tt.style.top=Math.max(0,e.clientY-tt.offsetHeight-5)+"px";tt.style.left=(e.clientX+5)+"px";} +CodeMirror.on(document,"mousemove",position);position(e);if(tt.style.opacity!=null)tt.style.opacity=1;return tt;} +function rm(elt){if(elt.parentNode)elt.parentNode.removeChild(elt);} +function hideTooltip(tt){if(!tt.parentNode)return;if(tt.style.opacity==null)rm(tt);tt.style.opacity=0;setTimeout(function(){rm(tt);},600);} +function showTooltipFor(e,content,node){var tooltip=showTooltip(e,content);function hide(){CodeMirror.off(node,"mouseout",hide);if(tooltip){hideTooltip(tooltip);tooltip=null;}} +var poll=setInterval(function(){if(tooltip)for(var n=node;;n=n.parentNode){if(n&&n.nodeType==11)n=n.host;if(n==document.body)return;if(!n){hide();break;}} +if(!tooltip)return clearInterval(poll);},400);CodeMirror.on(node,"mouseout",hide);} +function LintState(cm,options,hasGutter){this.marked=[];this.options=options;this.timeout=null;this.hasGutter=hasGutter;this.onMouseOver=function(e){onMouseOver(cm,e);};this.waitingFor=0} +function parseOptions(_cm,options){if(options instanceof Function)return{getAnnotations:options};if(!options||options===true)options={};return options;} +function clearMarks(cm){var state=cm.state.lint;if(state.hasGutter)cm.clearGutter(GUTTER_ID);for(var i=0;i1,state.options.tooltips));} +if(options.onUpdateLinting)options.onUpdateLinting(annotationsNotSorted,annotations,cm);} +function onChange(cm){var state=cm.state.lint;if(!state)return;clearTimeout(state.timeout);state.timeout=setTimeout(function(){startLinting(cm);},state.options.delay||500);} +function popupTooltips(annotations,e){var target=e.target||e.srcElement;var tooltip=document.createDocumentFragment();for(var i=0;inow)return false;var sInfo=editor.getScrollInfo();if(dv.mv.options.connect=="align"){targetPos=sInfo.top;}else{var halfScreen=.5*sInfo.clientHeight,midY=sInfo.top+halfScreen;var mid=editor.lineAtHeight(midY,"local");var around=chunkBoundariesAround(dv.chunks,mid,toOrig);var off=getOffsets(editor,toOrig?around.edit:around.orig);var offOther=getOffsets(other,toOrig?around.orig:around.edit);var ratio=(midY-off.top)/(off.bot-off.top);var targetPos=(offOther.top-halfScreen)+ratio*(offOther.bot-offOther.top);var botDist,mix;if(targetPos>sInfo.top&&(mix=sInfo.top / halfScreen)<1){targetPos=targetPos*mix+sInfo.top*(1-mix);}else if((botDist=sInfo.height-sInfo.clientHeight-sInfo.top)botDist&&(mix=botDist / halfScreen)<1) +targetPos=targetPos*mix+(otherInfo.height-otherInfo.clientHeight-botDist)*(1-mix);}} +other.scrollTo(sInfo.left,targetPos);other.state.scrollSetAt=now;other.state.scrollSetBy=dv;return true;} +function getOffsets(editor,around){var bot=around.after;if(bot==null)bot=editor.lastLine()+1;return{top:editor.heightAtLine(around.before||0,"local"),bot:editor.heightAtLine(bot,"local")};} +function setScrollLock(dv,val,action){dv.lockScroll=val;if(val&&action!=false)syncScroll(dv,DIFF_INSERT)&&makeConnections(dv);dv.lockButton.innerHTML=val?"\u21db\u21da":"\u21db  \u21da";} +function removeClass(editor,line,classes){var locs=classes.classLocation +for(var i=0;i20||state.from-vp.to>20){clearMarks(editor,state.marked,classes);markChanges(editor,diff,type,state.marked,vp.from,vp.to,classes);state.from=vp.from;state.to=vp.to;}else{if(vp.fromstate.to){markChanges(editor,diff,type,state.marked,state.to,vp.to,classes);state.to=vp.to;}}});} +function addClass(editor,lineNr,classes,main,start,end){var locs=classes.classLocation,line=editor.getLineHandle(lineNr);for(var i=0;icleanFrom){if(pending){markChunk(chunkStart,cleanFrom);pending=false} +chunkStart=cleanTo;}}else{pending=true +if(tp==type){var end=moveOver(pos,str,true);var a=posMax(top,pos),b=posMin(bot,end);if(!posEq(a,b)) +marks.push(editor.markText(a,b,{className:cls}));pos=end;}}} +if(pending)markChunk(chunkStart,pos.line+1);} +function makeConnections(dv){if(!dv.showDifferences)return;if(dv.svg){clear(dv.svg);var w=dv.gap.offsetWidth;attrs(dv.svg,"width",w,"height",dv.gap.offsetHeight);} +if(dv.copyButtons)clear(dv.copyButtons);var vpEdit=dv.edit.getViewport(),vpOrig=dv.orig.getViewport();var outerTop=dv.mv.wrap.getBoundingClientRect().top +var sTopEdit=outerTop-dv.edit.getScrollerElement().getBoundingClientRect().top+dv.edit.getScrollInfo().top +var sTopOrig=outerTop-dv.orig.getScrollerElement().getBoundingClientRect().top+dv.orig.getScrollInfo().top;for(var i=0;i=vpEdit.from&&ch.origFrom<=vpOrig.to&&ch.origTo>=vpOrig.from) +drawConnectorsForChunk(dv,ch,sTopOrig,sTopEdit,w);}} +function getMatchingOrigLine(editLine,chunks){var editStart=0,origStart=0;for(var i=0;ieditLine&&chunk.editFrom<=editLine)return null;if(chunk.editFrom>editLine)break;editStart=chunk.editTo;origStart=chunk.origTo;} +return origStart+(editLine-editStart);} +function alignableFor(cm,chunks,isOrig){var tracker=cm.state.trackAlignable +var start=cm.firstLine(),trackI=0 +var result=[] +for(var i=0;;i++){var chunk=chunks[i] +var chunkStart=!chunk?1e9:isOrig?chunk.origFrom:chunk.editFrom +for(;trackIoLine){origI++ +rI-- +continue outer;} +if(chunk.editTo>rLine){if(chunk.editFrom<=rLine)continue outer;break} +diff+=(chunk.origTo-chunk.origFrom)-(chunk.editTo-chunk.editFrom) +chunkI++} +if(rLine==oLine-diff){nextR[setIndex]=oLine +origI++}else if(rLine1) +aligners.push(padAbove(cm[i],lines[i],diff));}} +function padAbove(cm,line,size){var above=true;if(line>cm.lastLine()){line--;above=false;} +var elt=document.createElement("div");elt.className="CodeMirror-merge-spacer";elt.style.height=size+"px";elt.style.minWidth="1px";return cm.addLineWidget(line,elt,{height:size,above:above,mergeSpacer:true,handleMouseEvents:true});} +function drawConnectorsForChunk(dv,chunk,sTopOrig,sTopEdit,w){var flip=dv.type=="left";var top=dv.orig.heightAtLine(chunk.origFrom,"local",true)-sTopOrig;if(dv.svg){var topLpx=top;var topRpx=dv.edit.heightAtLine(chunk.editFrom,"local",true)-sTopEdit;if(flip){var tmp=topLpx;topLpx=topRpx;topRpx=tmp;} +var botLpx=dv.orig.heightAtLine(chunk.origTo,"local",true)-sTopOrig;var botRpx=dv.edit.heightAtLine(chunk.editTo,"local",true)-sTopEdit;if(flip){var tmp=botLpx;botLpx=botRpx;botRpx=tmp;} +var curveTop=" C "+w/2+" "+topRpx+" "+w/2+" "+topLpx+" "+(w+2)+" "+topLpx;var curveBot=" C "+w/2+" "+botLpx+" "+w/2+" "+botRpx+" -1 "+botRpx;attrs(dv.svg.appendChild(document.createElementNS(svgNS,"path")),"d","M -1 "+topRpx+curveTop+" L "+(w+2)+" "+botLpx+curveBot+" z","class",dv.classes.connect);} +if(dv.copyButtons){var copy=dv.copyButtons.appendChild(elt("div",dv.type=="left"?"\u21dd":"\u21dc","CodeMirror-merge-copy"));var editOriginals=dv.mv.options.allowEditingOriginals;copy.title=editOriginals?"Push to left":"Revert chunk";copy.chunk=chunk;copy.style.top=(chunk.origTo>chunk.origFrom?top:dv.edit.heightAtLine(chunk.editFrom,"local")-sTopEdit)+"px";if(editOriginals){var topReverse=dv.edit.heightAtLine(chunk.editFrom,"local")-sTopEdit;var copyReverse=dv.copyButtons.appendChild(elt("div",dv.type=="right"?"\u21dd":"\u21dc","CodeMirror-merge-copy-reverse"));copyReverse.title="Push to right";copyReverse.chunk={editFrom:chunk.origFrom,editTo:chunk.origTo,origFrom:chunk.editFrom,origTo:chunk.editTo};copyReverse.style.top=topReverse+"px";dv.type=="right"?copyReverse.style.left="2px":copyReverse.style.right="2px";}}} +function copyChunk(dv,to,from,chunk){if(dv.diffOutOfDate)return;var origStart=chunk.origTo>from.lastLine()?Pos(chunk.origFrom-1):Pos(chunk.origFrom,0) +var origEnd=Pos(chunk.origTo,0) +var editStart=chunk.editTo>to.lastLine()?Pos(chunk.editFrom-1):Pos(chunk.editFrom,0) +var editEnd=Pos(chunk.editTo,0) +var handler=dv.mv.options.revertChunk +if(handler) +handler(dv.mv,from,origStart,origEnd,to,editStart,editEnd) +else +to.replaceRange(from.getRange(origStart,origEnd),editStart,editEnd)} +var MergeView=CodeMirror.MergeView=function(node,options){if(!(this instanceof MergeView))return new MergeView(node,options);this.options=options;var origLeft=options.origLeft,origRight=options.origRight==null?options.orig:options.origRight;var hasLeft=origLeft!=null,hasRight=origRight!=null;var panes=1+(hasLeft?1:0)+(hasRight?1:0);var wrap=[],left=this.left=null,right=this.right=null;var self=this;if(hasLeft){left=this.left=new DiffView(this,"left");var leftPane=elt("div",null,"CodeMirror-merge-pane CodeMirror-merge-left");wrap.push(leftPane);wrap.push(buildGap(left));} +var editPane=elt("div",null,"CodeMirror-merge-pane CodeMirror-merge-editor");wrap.push(editPane);if(hasRight){right=this.right=new DiffView(this,"right");wrap.push(buildGap(right));var rightPane=elt("div",null,"CodeMirror-merge-pane CodeMirror-merge-right");wrap.push(rightPane);} +(hasRight?rightPane:editPane).className+=" CodeMirror-merge-pane-rightmost";wrap.push(elt("div",null,null,"height: 0; clear: both;"));var wrapElt=this.wrap=node.appendChild(elt("div",wrap,"CodeMirror-merge CodeMirror-merge-"+panes+"pane"));this.edit=CodeMirror(editPane,copyObj(options));if(left)left.init(leftPane,origLeft,options);if(right)right.init(rightPane,origRight,options);if(options.collapseIdentical) +this.editor().operation(function(){collapseIdenticalStretches(self,options.collapseIdentical);});if(options.connect=="align"){this.aligners=[];alignChunks(this.left||this.right,true);} +if(left)left.registerEvents(right) +if(right)right.registerEvents(left) +var onResize=function(){if(left)makeConnections(left);if(right)makeConnections(right);};CodeMirror.on(window,"resize",onResize);var resizeInterval=setInterval(function(){for(var p=wrapElt.parentNode;p&&p!=document.body;p=p.parentNode){} +if(!p){clearInterval(resizeInterval);CodeMirror.off(window,"resize",onResize);}},5000);};function buildGap(dv){var lock=dv.lockButton=elt("div",null,"CodeMirror-merge-scrolllock");lock.title="Toggle locked scrolling";var lockWrap=elt("div",[lock],"CodeMirror-merge-scrolllock-wrap");CodeMirror.on(lock,"click",function(){setScrollLock(dv,!dv.lockScroll);});var gapElts=[lockWrap];if(dv.mv.options.revertButtons!==false){dv.copyButtons=elt("div",null,"CodeMirror-merge-copybuttons-"+dv.type);CodeMirror.on(dv.copyButtons,"click",function(e){var node=e.target||e.srcElement;if(!node.chunk)return;if(node.className=="CodeMirror-merge-copy-reverse"){copyChunk(dv,dv.orig,dv.edit,node.chunk);return;} +copyChunk(dv,dv.edit,dv.orig,node.chunk);});gapElts.unshift(dv.copyButtons);} +if(dv.mv.options.connect!="align"){var svg=document.createElementNS&&document.createElementNS(svgNS,"svg");if(svg&&!svg.createSVGRect)svg=null;dv.svg=svg;if(svg)gapElts.push(svg);} +return dv.gap=elt("div",gapElts,"CodeMirror-merge-gap");} +MergeView.prototype={constructor:MergeView,editor:function(){return this.edit;},rightOriginal:function(){return this.right&&this.right.orig;},leftOriginal:function(){return this.left&&this.left.orig;},setShowDifferences:function(val){if(this.right)this.right.setShowDifferences(val);if(this.left)this.left.setShowDifferences(val);},rightChunks:function(){if(this.right){ensureDiff(this.right);return this.right.chunks;}},leftChunks:function(){if(this.left){ensureDiff(this.left);return this.left.chunks;}}};function asString(obj){if(typeof obj=="string")return obj;else return obj.getValue();} +var dmp;function getDiff(a,b,ignoreWhitespace){if(!dmp)dmp=new diff_match_patch();var diff=dmp.diff_main(a,b);for(var i=0;icleanFromEdit){if(i)chunks.push({origFrom:startOrig,origTo:cleanFromOrig,editFrom:startEdit,editTo:cleanFromEdit});startEdit=cleanToEdit;startOrig=cleanToOrig;}}else{moveOver(tp==DIFF_INSERT?edit:orig,part[1]);}} +if(startEdit<=edit.line||startOrig<=orig.line) +chunks.push({origFrom:startOrig,origTo:orig.line+1,editFrom:startEdit,editTo:edit.line+1});return chunks;} +function endOfLineClean(diff,i){if(i==diff.length-1)return true;var next=diff[i+1][1];if((next.length==1&&i1||i==diff.length-3)&&next.charCodeAt(0)==10;} +function startOfLineClean(diff,i){if(i==0)return true;var last=diff[i-1][1];if(last.charCodeAt(last.length-1)!=10)return false;if(i==1)return true;last=diff[i-2][1];return last.charCodeAt(last.length-1)==10;} +function chunkBoundariesAround(chunks,n,nInEdit){var beforeE,afterE,beforeO,afterO;for(var i=0;in){afterE=chunk.editFrom;afterO=chunk.origFrom;} +else if(toLocal>n){afterE=chunk.editTo;afterO=chunk.origTo;}} +if(toLocal<=n){beforeE=chunk.editTo;beforeO=chunk.origTo;} +else if(fromLocal<=n){beforeE=chunk.editFrom;beforeO=chunk.origFrom;}} +return{edit:{before:beforeE,after:afterE},orig:{before:beforeO,after:afterO}};} +function collapseSingle(cm,from,to){cm.addLineClass(from,"wrap","CodeMirror-merge-collapsed-line");var widget=document.createElement("span");widget.className="CodeMirror-merge-collapsed-widget";widget.title="Identical text collapsed. Click to expand.";var mark=cm.markText(Pos(from,0),Pos(to-1),{inclusiveLeft:true,inclusiveRight:true,replacedWith:widget,clearOnEnter:true});function clear(){mark.clear();cm.removeLineClass(from,"wrap","CodeMirror-merge-collapsed-line");} +if(mark.explicitlyCleared)clear();CodeMirror.on(widget,"click",clear);mark.on("clear",clear);CodeMirror.on(widget,"click",clear);return{mark:mark,clear:clear};} +function collapseStretch(size,editors){var marks=[];function clear(){for(var i=0;i=0&&posmargin){var editors=[{line:line,cm:edit}];if(mv.left)editors.push({line:getMatchingOrigLine(line,mv.left.chunks),cm:mv.left.orig});if(mv.right)editors.push({line:getMatchingOrigLine(line,mv.right.chunks),cm:mv.right.orig});var mark=collapseStretch(size,editors);if(mv.options.onCollapse)mv.options.onCollapse(mv,line,size,mark);}}}} +function elt(tag,content,className,style){var e=document.createElement(tag);if(className)e.className=className;if(style)e.style.cssText=style;if(typeof content=="string")e.appendChild(document.createTextNode(content));else if(content)for(var i=0;i0;--count) +node.removeChild(node.firstChild);} +function attrs(elt){for(var i=1;i0)break} +this.signal() +this.alignable.splice(pos,0,n,flags)},find:function(n){for(var i=0;i-1){var flags=this.alignable[widgetFrom+1] +if(flags==F_WIDGET_BELOW)this.alignable.splice(widgetFrom,2) +else this.alignable[widgetFrom+1]=flags&~F_WIDGET_BELOW} +if(widgetTo>-1&&nAfter) +this.set(from+nAfter,F_WIDGET_BELOW)}} +function posMin(a,b){return(a.line-b.line||a.ch-b.ch)<0?a:b;} +function posMax(a,b){return(a.line-b.line||a.ch-b.ch)>0?a:b;} +function posEq(a,b){return a.line==b.line&&a.ch==b.ch;} +function findPrevDiff(chunks,start,isOrig){for(var i=chunks.length-1;i>=0;i--){var chunk=chunks[i];var to=(isOrig?chunk.origTo:chunk.editTo)-1;if(tostart)return from;}} +function goNearbyDiff(cm,dir){var found=null,views=cm.state.diffViews,line=cm.getCursor().line;if(views)for(var i=0;ifound:pos-1?found+pattern.length:found;} +var m=pattern.exec(from?string.slice(from):string);return m?m.index+from+(returnEnd?m[0].length:0):-1;} +return{startState:function(){return{outer:CodeMirror.startState(outer),innerActive:null,inner:null};},copyState:function(state){return{outer:CodeMirror.copyState(outer,state.outer),innerActive:state.innerActive,inner:state.innerActive&&CodeMirror.copyState(state.innerActive.mode,state.inner)};},token:function(stream,state){if(!state.innerActive){var cutOff=Infinity,oldContent=stream.string;for(var i=0;i-1)stream.string=oldContent.slice(0,found);var innerToken=curInner.mode.token(stream,state.inner);if(found>-1)stream.string=oldContent;if(found==stream.pos&&curInner.parseDelimiters) +state.innerActive=state.inner=null;if(curInner.innerStyle){if(innerToken)innerToken=innerToken+" "+curInner.innerStyle;else innerToken=curInner.innerStyle;} +return innerToken;}},indent:function(state,textAfter){var mode=state.innerActive?state.innerActive.mode:outer;if(!mode.indent)return CodeMirror.Pass;return mode.indent(state.innerActive?state.inner:state.outer,textAfter);},blankLine:function(state){var mode=state.innerActive?state.innerActive.mode:outer;if(mode.blankLine){mode.blankLine(state.innerActive?state.inner:state.outer);} +if(!state.innerActive){for(var i=0;i2&&rule.token&&typeof rule.token!="string"){state.pending=[];for(var j=2;j-1) +return CodeMirror.Pass;var pos=state.indent.length-1,rules=states[state.state];scan:for(;;){for(var i=0;isingleLineH)) +return cm.charCoords(pos,"local")[top?"top":"bottom"];var topY=cm.heightAtLine(curLineObj,"local");return topY+(top?0:curLineObj.height);} +var lastLine=cm.lastLine() +if(cm.display.barWidth)for(var i=0,nextTop;ilastLine)continue;var top=nextTop||getY(ann.from,true)*hScale;var bottom=getY(ann.to,false)*hScale;while(ilastLine)break;nextTop=getY(anns[i+1].from,true)*hScale;if(nextTop>bottom+.9)break;ann=anns[++i];bottom=getY(ann.to,false)*hScale;} +if(bottom==top)continue;var height=Math.max(bottom-top,3);var elt=frag.appendChild(document.createElement("div"));elt.style.cssText="position: absolute; right: 0px; width: "+Math.max(cm.display.barWidth-1,2)+"px; top: " ++(top+this.buttonHeight)+"px; height: "+height+"px";elt.className=this.options.className;if(ann.id){elt.setAttribute("annotation-id",ann.id);}} +this.div.textContent="";this.div.appendChild(frag);};Annotation.prototype.clear=function(){this.cm.off("refresh",this.resizeHandler);this.cm.off("markerAdded",this.resizeHandler);this.cm.off("markerCleared",this.resizeHandler);if(this.changeHandler)this.cm.off("change",this.changeHandler);this.div.parentNode.removeChild(this.div);};});(function(mod){if(typeof exports=="object"&&typeof module=="object") +mod(require("../../lib/codemirror"));else if(typeof define=="function"&&define.amd) +define(["../../lib/codemirror"],mod);else +mod(CodeMirror);})(function(CodeMirror){"use strict";CodeMirror.defineOption("scrollPastEnd",false,function(cm,val,old){if(old&&old!=CodeMirror.Init){cm.off("change",onChange);cm.off("refresh",updateBottomMargin);cm.display.lineSpace.parentNode.style.paddingBottom="";cm.state.scrollPastEndPadding=null;} +if(val){cm.on("change",onChange);cm.on("refresh",updateBottomMargin);updateBottomMargin(cm);}});function onChange(cm,change){if(CodeMirror.changeEnd(change).line==cm.lastLine()) +updateBottomMargin(cm);} +function updateBottomMargin(cm){var padding="";if(cm.lineCount()>1){var totalH=cm.display.scroller.clientHeight-30,lastLineH=cm.getLineHandle(cm.lastLine()).height;padding=(totalH-lastLineH)+"px";} +if(cm.state.scrollPastEndPadding!=padding){cm.state.scrollPastEndPadding=padding;cm.display.lineSpace.parentNode.style.paddingBottom=padding;cm.off("refresh",updateBottomMargin);cm.setSize();cm.on("refresh",updateBottomMargin);}}});(function(mod){if(typeof exports=="object"&&typeof module=="object") +mod(require("../../lib/codemirror"));else if(typeof define=="function"&&define.amd) +define(["../../lib/codemirror"],mod);else +mod(CodeMirror);})(function(CodeMirror){"use strict";function Bar(cls,orientation,scroll){this.orientation=orientation;this.scroll=scroll;this.screen=this.total=this.size=1;this.pos=0;this.node=document.createElement("div");this.node.className=cls+"-"+orientation;this.inner=this.node.appendChild(document.createElement("div"));var self=this;CodeMirror.on(this.inner,"mousedown",function(e){if(e.which!=1)return;CodeMirror.e_preventDefault(e);var axis=self.orientation=="horizontal"?"pageX":"pageY";var start=e[axis],startpos=self.pos;function done(){CodeMirror.off(document,"mousemove",move);CodeMirror.off(document,"mouseup",done);} +function move(e){if(e.which!=1)return done();self.moveTo(startpos+(e[axis]-start)*(self.total / self.size));} +CodeMirror.on(document,"mousemove",move);CodeMirror.on(document,"mouseup",done);});CodeMirror.on(this.node,"click",function(e){CodeMirror.e_preventDefault(e);var innerBox=self.inner.getBoundingClientRect(),where;if(self.orientation=="horizontal") +where=e.clientXinnerBox.right?1:0;else +where=e.clientYinnerBox.bottom?1:0;self.moveTo(self.pos+where*self.screen);});function onWheel(e){var moved=CodeMirror.wheelEventPixels(e)[self.orientation=="horizontal"?"x":"y"];var oldPos=self.pos;self.moveTo(self.pos+moved);if(self.pos!=oldPos)CodeMirror.e_preventDefault(e);} +CodeMirror.on(this.node,"mousewheel",onWheel);CodeMirror.on(this.node,"DOMMouseScroll",onWheel);} +Bar.prototype.setPos=function(pos,force){if(pos<0)pos=0;if(pos>this.total-this.screen)pos=this.total-this.screen;if(!force&&pos==this.pos)return false;this.pos=pos;this.inner.style[this.orientation=="horizontal"?"left":"top"]=(pos*(this.size / this.total))+"px";return true};Bar.prototype.moveTo=function(pos){if(this.setPos(pos))this.scroll(pos,this.orientation);} +var minButtonSize=10;Bar.prototype.update=function(scrollSize,clientSize,barSize){var sizeChanged=this.screen!=clientSize||this.total!=scrollSize||this.size!=barSize +if(sizeChanged){this.screen=clientSize;this.total=scrollSize;this.size=barSize;} +var buttonSize=this.screen*(this.size / this.total);if(buttonSizemeasure.clientWidth+1;var needsV=measure.scrollHeight>measure.clientHeight+1;this.vert.node.style.display=needsV?"block":"none";this.horiz.node.style.display=needsH?"block":"none";if(needsV){this.vert.update(measure.scrollHeight,measure.clientHeight,measure.viewHeight-(needsH?width:0));this.vert.node.style.bottom=needsH?width+"px":"0";} +if(needsH){this.horiz.update(measure.scrollWidth,measure.clientWidth,measure.viewWidth-(needsV?width:0)-measure.barLeft);this.horiz.node.style.right=needsV?width+"px":"0";this.horiz.node.style.left=measure.barLeft+"px";} +return{right:needsV?width:0,bottom:needsH?width:0};};SimpleScrollbars.prototype.setScrollTop=function(pos){this.vert.setPos(pos);};SimpleScrollbars.prototype.setScrollLeft=function(pos){this.horiz.setPos(pos);};SimpleScrollbars.prototype.clear=function(){var parent=this.horiz.node.parentNode;parent.removeChild(this.horiz.node);parent.removeChild(this.vert.node);};CodeMirror.scrollbarModel.simple=function(place,scroll){return new SimpleScrollbars("CodeMirror-simplescroll",place,scroll);};CodeMirror.scrollbarModel.overlay=function(place,scroll){return new SimpleScrollbars("CodeMirror-overlayscroll",place,scroll);};});(function(mod){if(typeof exports=="object"&&typeof module=="object") +mod(require("../../lib/codemirror"));else if(typeof define=="function"&&define.amd) +define(["../../lib/codemirror"],mod);else +mod(CodeMirror);})(function(CodeMirror){"use strict";var WRAP_CLASS="CodeMirror-activeline";var BACK_CLASS="CodeMirror-activeline-background";var GUTT_CLASS="CodeMirror-activeline-gutter";CodeMirror.defineOption("styleActiveLine",false,function(cm,val,old){var prev=old==CodeMirror.Init?false:old;if(val==prev)return +if(prev){cm.off("beforeSelectionChange",selectionChange);clearActiveLines(cm);delete cm.state.activeLines;} +if(val){cm.state.activeLines=[];updateActiveLines(cm,cm.listSelections());cm.on("beforeSelectionChange",selectionChange);}});function clearActiveLines(cm){for(var i=0;i=to.line;var end=atEnd?to:Pos(endLine,0);var mark=cm.markText(start,end,{className:cls});if(addAt==null)array.push(mark);else array.splice(addAt++,0,mark);if(atEnd)break;line=endLine;}} +function clear(cm){var array=cm.state.markedSelection;for(var i=0;i1)return reset(cm);var from=cm.getCursor("start"),to=cm.getCursor("end");var array=cm.state.markedSelection;if(!array.length)return coverRange(cm,from,to);var coverStart=array[0].find(),coverEnd=array[array.length-1].find();if(!coverStart||!coverEnd||to.line-from.line<=CHUNK_SIZE||cmp(from,coverEnd.to)>=0||cmp(to,coverStart.from)<=0) +return reset(cm);while(cmp(from,coverStart.from)>0){array.shift().clear();coverStart=array[0].find();} +if(cmp(from,coverStart.from)<0){if(coverStart.to.line-from.line0){if(to.line-coverEnd.from.line=data.mouseX&&rect.top<=data.mouseY&&rect.bottom>=data.mouseY) +inside=true;} +var cursor=inside?data.value:"";if(cm.display.lineDiv.style.cursor!=cursor) +cm.display.lineDiv.style.cursor=cursor;}});(function(mod){if(typeof exports=="object"&&typeof module=="object") +mod(require("../../lib/codemirror"));else if(typeof define=="function"&&define.amd) +define(["../../lib/codemirror"],mod);else +mod(CodeMirror);})(function(CodeMirror){"use strict";CodeMirror.TernServer=function(options){var self=this;this.options=options||{};var plugins=this.options.plugins||(this.options.plugins={});if(!plugins.doc_comment)plugins.doc_comment=true;this.docs=Object.create(null);if(this.options.useWorker){this.server=new WorkerServer(this);}else{this.server=new tern.Server({getFile:function(name,c){return getFile(self,name,c);},async:true,defs:this.options.defs||[],plugins:plugins});} +this.trackChange=function(doc,change){trackChange(self,doc,change);};this.cachedArgHints=null;this.activeArgHints=null;this.jumpStack=[];this.getHint=function(cm,c){return hint(self,cm,c);};this.getHint.async=true;};CodeMirror.TernServer.prototype={addDoc:function(name,doc){var data={doc:doc,name:name,changed:null};this.server.addFile(name,docValue(this,data));CodeMirror.on(doc,"change",this.trackChange);return this.docs[name]=data;},delDoc:function(id){var found=resolveDoc(this,id);if(!found)return;CodeMirror.off(found.doc,"change",this.trackChange);delete this.docs[found.name];this.server.delFile(found.name);},hideDoc:function(id){closeArgHints(this);var found=resolveDoc(this,id);if(found&&found.changed)sendDoc(this,found);},complete:function(cm){cm.showHint({hint:this.getHint});},showType:function(cm,pos,c){showContextInfo(this,cm,pos,"type",c);},showDocs:function(cm,pos,c){showContextInfo(this,cm,pos,"documentation",c);},updateArgHints:function(cm){updateArgHints(this,cm);},jumpToDef:function(cm){jumpToDef(this,cm);},jumpBack:function(cm){jumpBack(this,cm);},rename:function(cm){rename(this,cm);},selectName:function(cm){selectName(this,cm);},request:function(cm,query,c,pos){var self=this;var doc=findDoc(this,cm.getDoc());var request=buildRequest(this,doc,query,pos);var extraOptions=request.query&&this.options.queryOptions&&this.options.queryOptions[request.query.type] +if(extraOptions)for(var prop in extraOptions)request.query[prop]=extraOptions[prop];this.server.request(request,function(error,data){if(!error&&self.options.responseFilter) +data=self.options.responseFilter(doc,query,request,error,data);c(error,data);});},destroy:function(){closeArgHints(this) +if(this.worker){this.worker.terminate();this.worker=null;}}};var Pos=CodeMirror.Pos;var cls="CodeMirror-Tern-";var bigDoc=250;function getFile(ts,name,c){var buf=ts.docs[name];if(buf) +c(docValue(ts,buf));else if(ts.options.getFile) +ts.options.getFile(name,c);else +c(null);} +function findDoc(ts,doc,name){for(var n in ts.docs){var cur=ts.docs[n];if(cur.doc==doc)return cur;} +if(!name)for(var i=0;;++i){n="[doc"+(i||"")+"]";if(!ts.docs[n]){name=n;break;}} +return ts.addDoc(name,doc);} +function resolveDoc(ts,id){if(typeof id=="string")return ts.docs[id];if(id instanceof CodeMirror)id=id.getDoc();if(id instanceof CodeMirror.Doc)return findDoc(ts,id);} +function trackChange(ts,doc,change){var data=findDoc(ts,doc);var argHints=ts.cachedArgHints;if(argHints&&argHints.doc==doc&&cmpPos(argHints.start,change.to)>=0) +ts.cachedArgHints=null;var changed=data.changed;if(changed==null) +data.changed=changed={from:change.from.line,to:change.from.line};var end=change.from.line+(change.text.length-1);if(change.from.line=changed.to)changed.to=end+1;if(changed.from>change.from.line)changed.from=change.from.line;if(doc.lineCount()>bigDoc&&change.to-changed.from>100)setTimeout(function(){if(data.changed&&data.changed.to-data.changed.from>100)sendDoc(ts,data);},200);} +function sendDoc(ts,doc){ts.server.request({files:[{type:"full",name:doc.name,text:docValue(ts,doc)}]},function(error){if(error)window.console.error(error);else doc.changed=null;});} +function hint(ts,cm,c){ts.request(cm,{type:"completions",types:true,docs:true,urls:true},function(error,data){if(error)return showError(ts,cm,error);var completions=[],after="";var from=data.start,to=data.end;if(cm.getRange(Pos(from.line,from.ch-2),from)=="[\""&&cm.getRange(to,Pos(to.line,to.ch+2))!="\"]") +after="\"]";for(var i=0;i=e;--line){var str=cm.getLine(line),extra=0;for(var pos=0;;){var tab=str.indexOf("\t",pos);if(tab==-1)break;extra+=tabSize-(tab+extra)%tabSize-1;pos=tab+1;} +ch=lex.column-extra;if(str.charAt(ch)=="("){found=true;break;}} +if(!found)return;var start=Pos(line,ch);var cache=ts.cachedArgHints;if(cache&&cache.doc==cm.getDoc()&&cmpPos(start,cache.start)==0) +return showArgHints(ts,cm,argPos);ts.request(cm,{type:"type",preferFunction:true,end:start},function(error,data){if(error||!data.type||!(/^fn\(/).test(data.type))return;ts.cachedArgHints={start:start,type:parseFnType(data.type),name:data.exprName||data.name||"fn",guess:data.guess,doc:cm.getDoc()};showArgHints(ts,cm,argPos);});} +function showArgHints(ts,cm,pos){closeArgHints(ts);var cache=ts.cachedArgHints,tp=cache.type;var tip=elt("span",cache.guess?cls+"fhint-guess":null,elt("span",cls+"fname",cache.name),"(");for(var i=0;i\u00a0":")"));if(tp.rettype)tip.appendChild(elt("span",cls+"type",tp.rettype));var place=cm.cursorCoords(null,"page");var tooltip=ts.activeArgHints=makeTooltip(place.right+1,place.bottom,tip) +setTimeout(function(){tooltip.clear=onEditorActivity(cm,function(){if(ts.activeArgHints==tooltip)closeArgHints(ts)})},20)} +function parseFnType(text){var args=[],pos=3;function skipMatching(upto){var depth=0,start=pos;for(;;){var next=text.charAt(pos);if(upto.test(next)&&!depth)return text.slice(start,pos);if(/[{\[\(]/.test(next))++depth;else if(/[}\]\)]/.test(next))--depth;++pos;}} +if(text.charAt(pos)!=")")for(;;){var name=text.slice(pos).match(/^([^, \(\[\{]+): /);if(name){pos+=name[0].length;name=name[1];} +args.push({name:name,type:skipMatching(/[\),]/)});if(text.charAt(pos)==")")break;pos+=2;} +var rettype=text.slice(pos).match(/^\) -> (.*)$/);return{args:args,rettype:rettype&&rettype[1]};} +function jumpToDef(ts,cm){function inner(varName){var req={type:"definition",variable:varName||null};var doc=findDoc(ts,cm.getDoc());ts.server.request(buildRequest(ts,doc,req),function(error,data){if(error)return showError(ts,cm,error);if(!data.file&&data.url){window.open(data.url);return;} +if(data.file){var localDoc=ts.docs[data.file],found;if(localDoc&&(found=findContext(localDoc.doc,data))){ts.jumpStack.push({file:doc.name,start:cm.getCursor("from"),end:cm.getCursor("to")});moveTo(ts,doc,localDoc,found.start,found.end);return;}} +showError(ts,cm,"Could not find a definition.");});} +if(!atInterestingExpression(cm)) +dialog(cm,"Jump to variable",function(name){if(name)inner(name);});else +inner();} +function jumpBack(ts,cm){var pos=ts.jumpStack.pop(),doc=pos&&ts.docs[pos.file];if(!doc)return;moveTo(ts,findDoc(ts,cm.getDoc()),doc,pos.start,pos.end);} +function moveTo(ts,curDoc,doc,start,end){doc.doc.setSelection(start,end);if(curDoc!=doc&&ts.options.switchToDoc){closeArgHints(ts);ts.options.switchToDoc(doc.name,doc.doc);}} +function findContext(doc,data){var before=data.context.slice(0,data.contextOffset).split("\n");var startLine=data.start.line-(before.length-1);var start=Pos(startLine,(before.length==1?data.start.ch:doc.getLine(startLine).length)-before[0].length);var text=doc.getLine(startLine).slice(start.ch);for(var cur=startLine+1;cur=0&&cmpPos(curPos,ref.end)<=0) +cur=ranges.length-1;}} +cm.setSelections(ranges,cur);});} +var nextChangeOrig=0;function applyChanges(ts,changes){var perFile=Object.create(null);for(var i=0;ibigDoc&&allowFragments!==false&&doc.changed.to-doc.changed.from<100&&doc.changed.from<=startPos.line&&doc.changed.to>query.end.line){files.push(getFragmentAround(doc,startPos,query.end));query.file="#0";var offsetLines=files[0].offsetLines;if(query.start!=null)query.start=Pos(query.start.line- -offsetLines,query.start.ch);query.end=Pos(query.end.line-offsetLines,query.end.ch);}else{files.push({type:"full",name:doc.name,text:docValue(ts,doc)});query.file=doc.name;doc.changed=null;}}else{query.file=doc.name;} +for(var name in ts.docs){var cur=ts.docs[name];if(cur.changed&&cur!=doc){files.push({type:"full",name:cur.name,text:docValue(ts,cur)});cur.changed=null;}} +return{query:query,files:files};} +function getFragmentAround(data,start,end){var doc=data.doc;var minIndent=null,minLine=null,endLine,tabSize=4;for(var p=start.line-1,min=Math.max(0,p-50);p>=min;--p){var line=doc.getLine(p),fn=line.search(/\bfunction\b/);if(fn<0)continue;var indent=CodeMirror.countColumn(line,null,tabSize);if(minIndent!=null&&minIndent<=indent)continue;minIndent=indent;minLine=p;} +if(minLine==null)minLine=min;var max=Math.min(doc.lastLine(),end.line+20);if(minIndent==null||minIndent==CodeMirror.countColumn(doc.getLine(start.line),null,tabSize)) +endLine=max;else for(endLine=end.line+1;endLine",f);else +f(prompt(text,""));} +function tempTooltip(cm,content,ts){if(cm.state.ternTooltip)remove(cm.state.ternTooltip);var where=cm.cursorCoords();var tip=cm.state.ternTooltip=makeTooltip(where.right+1,where.bottom,content);function maybeClear(){old=true;if(!mouseOnTip)clear();} +function clear(){cm.state.ternTooltip=null;if(tip.parentNode)fadeOut(tip) +clearActivity()} +var mouseOnTip=false,old=false;CodeMirror.on(tip,"mousemove",function(){mouseOnTip=true;});CodeMirror.on(tip,"mouseout",function(e){var related=e.relatedTarget||e.toElement +if(!related||!CodeMirror.contains(tip,related)){if(old)clear();else mouseOnTip=false;}});setTimeout(maybeClear,ts.options.hintDelay?ts.options.hintDelay:1700);var clearActivity=onEditorActivity(cm,clear)} +function onEditorActivity(cm,f){cm.on("cursorActivity",f) +cm.on("blur",f) +cm.on("scroll",f) +cm.on("setDoc",f) +return function(){cm.off("cursorActivity",f) +cm.off("blur",f) +cm.off("scroll",f) +cm.off("setDoc",f)}} +function makeTooltip(x,y,content){var node=elt("div",cls+"tooltip",content);node.style.left=x+"px";node.style.top=y+"px";document.body.appendChild(node);return node;} +function remove(node){var p=node&&node.parentNode;if(p)p.removeChild(node);} +function fadeOut(tooltip){tooltip.style.opacity="0";setTimeout(function(){remove(tooltip);},1100);} +function showError(ts,cm,msg){if(ts.options.showError) +ts.options.showError(cm,msg);else +tempTooltip(cm,String(msg),ts);} +function closeArgHints(ts){if(ts.activeArgHints){if(ts.activeArgHints.clear)ts.activeArgHints.clear() +remove(ts.activeArgHints) +ts.activeArgHints=null}} +function docValue(ts,doc){var val=doc.doc.getValue();if(ts.options.fileFilter)val=ts.options.fileFilter(val,doc.name,doc.doc);return val;} +function WorkerServer(ts){var worker=ts.worker=new Worker(ts.options.workerScript);worker.postMessage({type:"init",defs:ts.options.defs,plugins:ts.options.plugins,scripts:ts.options.workerDeps});var msgId=0,pending={};function send(data,c){if(c){data.id=++msgId;pending[msgId]=c;} +worker.postMessage(data);} +worker.onmessage=function(e){var data=e.data;if(data.type=="getFile"){getFile(ts,data.name,function(err,text){send({type:"getFile",err:String(err),text:text,id:data.id});});}else if(data.type=="debug"){window.console.log(data.message);}else if(data.id&&pending[data.id]){pending[data.id](data.err,data.body);delete pending[data.id];}};worker.onerror=function(e){for(var id in pending)pending[id](e);pending={};};this.addFile=function(name,text){send({type:"add",name:name,text:text});};this.delFile=function(name){send({type:"del",name:name});};this.request=function(body,c){send({type:"req",body:body},c);};}});var server;this.onmessage=function(e){var data=e.data;switch(data.type){case"init":return startServer(data.defs,data.plugins,data.scripts);case"add":return server.addFile(data.name,data.text);case"del":return server.delFile(data.name);case"req":return server.request(data.body,function(err,reqData){postMessage({id:data.id,body:reqData,err:err&&String(err)});});case"getFile":var c=pending[data.id];delete pending[data.id];return c(data.err,data.text);default:throw new Error("Unknown message type: "+data.type);}};var nextId=0,pending={};function getFile(file,c){postMessage({type:"getFile",name:file,id:++nextId});pending[nextId]=c;} +function startServer(defs,plugins,scripts){if(scripts)importScripts.apply(null,scripts);server=new tern.Server({getFile:getFile,async:true,defs:defs,plugins:plugins});} +this.console={log:function(v){postMessage({type:"debug",message:v});}};(function(mod){if(typeof exports=="object"&&typeof module=="object") +mod(require("../../lib/codemirror"));else if(typeof define=="function"&&define.amd) +define(["../../lib/codemirror"],mod);else +mod(CodeMirror);})(function(CodeMirror){"use strict";var Pos=CodeMirror.Pos;function findParagraph(cm,pos,options){var startRE=options.paragraphStart||cm.getHelper(pos,"paragraphStart");for(var start=pos.line,first=cm.firstLine();start>first;--start){var line=cm.getLine(start);if(startRE&&startRE.test(line))break;if(!/\S/.test(line)){++start;break;}} +var endRE=options.paragraphEnd||cm.getHelper(pos,"paragraphEnd");for(var end=pos.line+1,last=cm.lastLine();end<=last;++end){var line=cm.getLine(end);if(endRE&&endRE.test(line)){++end;break;} +if(!/\S/.test(line))break;} +return{from:start,to:end};} +function findBreakPoint(text,column,wrapOn,killTrailingSpace){var at=column +while(at0;--at) +if(wrapOn.test(text.slice(at-1,at+1)))break;for(var first=true;;first=false){var endOfText=at;if(killTrailingSpace) +while(text.charAt(endOfText-1)==" ")--endOfText;if(endOfText==0&&first)at=column;else return{from:endOfText,to:at};}} +function wrapRange(cm,from,to,options){from=cm.clipPos(from);to=cm.clipPos(to);var column=options.column||80;var wrapOn=options.wrapOn||/\s\S|-[^\.\d]/;var killTrailing=options.killTrailingSpace!==false;var changes=[],curLine="",curNo=from.line;var lines=cm.getRange(from,to,false);if(!lines.length)return null;var leadingSpace=lines[0].match(/^[ \t]*/)[0];for(var i=0;icolumn&&leadingSpace==spaceTrimmed&&findBreakPoint(curLine,column,wrapOn,killTrailing);if(!firstBreak||firstBreak.from!=oldLen||firstBreak.to!=oldLen+spaceInserted){changes.push({text:[spaceInserted?" ":""],from:Pos(curNo,oldLen),to:Pos(curNo+1,spaceTrimmed.length)});}else{curLine=leadingSpace+text;++curNo;}} +while(curLine.length>column){var bp=findBreakPoint(curLine,column,wrapOn,killTrailing);changes.push({text:["",leadingSpace],from:Pos(curNo,bp.from),to:Pos(curNo,bp.to)});curLine=leadingSpace+curLine.slice(bp.to);++curNo;}} +if(changes.length)cm.operation(function(){for(var i=0;i=0;i--){var range=ranges[i],span;if(range.empty()){var para=findParagraph(cm,range.head,{});span={from:Pos(para.from,0),to:Pos(para.to-1)};}else{span={from:range.from(),to:range.to()};} +if(span.to.line>=at)continue;at=span.from.line;wrapRange(cm,span.from,span.to,{});}});};CodeMirror.defineExtension("wrapRange",function(from,to,options){return wrapRange(this,from,to,options||{});});CodeMirror.defineExtension("wrapParagraphsInRange",function(from,to,options){options=options||{};var cm=this,paras=[];for(var line=from.line;line<=to.line;){var para=findParagraph(cm,Pos(line,0),options);paras.push(para);line=para.to;} +var madeChange=false;if(paras.length)cm.operation(function(){for(var i=paras.length-1;i>=0;--i) +madeChange=madeChange||wrapRange(cm,Pos(paras[i].from,0),Pos(paras[i].to-1),options);});return madeChange;});}); \ No newline at end of file diff --git a/assets/plugins/codemirror/cm/addon.css b/assets/plugins/codemirror/cm/addon.css new file mode 100644 index 0000000000..589c7c536d --- /dev/null +++ b/assets/plugins/codemirror/cm/addon.css @@ -0,0 +1,441 @@ +.CodeMirror-search-match { + background: gold; + border-top: 1px solid orange; + border-bottom: 1px solid orange; + -moz-box-sizing: border-box; + box-sizing: border-box; + opacity: .5; +} +.CodeMirror-dialog { + position: absolute; + left: 0; right: 0; + background: inherit; + z-index: 15; + padding: .1em .8em; + overflow: hidden; + color: inherit; +} + +.CodeMirror-dialog-top { + border-bottom: 1px solid #eee; + top: 0; +} + +.CodeMirror-dialog-bottom { + border-top: 1px solid #eee; + bottom: 0; +} + +.CodeMirror-dialog input { + border: none; + outline: none; + background: transparent; + width: 20em; + color: inherit; + font-family: monospace; +} + +.CodeMirror-dialog button { + font-size: 70%; +} +.CodeMirror-fullscreen { + position: fixed; + top: 0; left: 0; right: 0; bottom: 0; + height: auto; + z-index: 9; +} +.CodeMirror-foldmarker { + color: blue; + text-shadow: #b9f 1px 1px 2px, #b9f -1px -1px 2px, #b9f 1px -1px 2px, #b9f -1px 1px 2px; + font-family: arial; + line-height: .3; + cursor: pointer; +} +.CodeMirror-foldgutter { + width: .7em; +} +.CodeMirror-foldgutter-open, +.CodeMirror-foldgutter-folded { + cursor: pointer; +} +.CodeMirror-foldgutter-open:after { + content: "\25BE"; +} +.CodeMirror-foldgutter-folded:after { + content: "\25B8"; +} +.CodeMirror-hints { + position: absolute; + z-index: 10; + overflow: hidden; + list-style: none; + + margin: 0; + padding: 2px; + + -webkit-box-shadow: 2px 3px 5px rgba(0,0,0,.2); + -moz-box-shadow: 2px 3px 5px rgba(0,0,0,.2); + box-shadow: 2px 3px 5px rgba(0,0,0,.2); + border-radius: 3px; + border: 1px solid silver; + + background: white; + font-size: 90%; + font-family: monospace; + + max-height: 20em; + overflow-y: auto; +} + +.CodeMirror-hint { + margin: 0; + padding: 0 4px; + border-radius: 2px; + white-space: pre; + color: black; + cursor: pointer; +} + +li.CodeMirror-hint-active { + background: #08f; + color: white; +} +/* The lint marker gutter */ +.CodeMirror-lint-markers { + width: 16px; +} + +.CodeMirror-lint-tooltip { + background-color: #ffd; + border: 1px solid black; + border-radius: 4px 4px 4px 4px; + color: black; + font-family: monospace; + font-size: 10pt; + overflow: hidden; + padding: 2px 5px; + position: fixed; + white-space: pre; + white-space: pre-wrap; + z-index: 100; + max-width: 600px; + opacity: 0; + transition: opacity .4s; + -moz-transition: opacity .4s; + -webkit-transition: opacity .4s; + -o-transition: opacity .4s; + -ms-transition: opacity .4s; +} + +.CodeMirror-lint-mark-error, .CodeMirror-lint-mark-warning { + background-position: left bottom; + background-repeat: repeat-x; +} + +.CodeMirror-lint-mark-error { + background-image: + url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAADCAYAAAC09K7GAAAAAXNSR0IArs4c6QAAAAZiS0dEAP8A/wD/oL2nkwAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB9sJDw4cOCW1/KIAAAAZdEVYdENvbW1lbnQAQ3JlYXRlZCB3aXRoIEdJTVBXgQ4XAAAAHElEQVQI12NggIL/DAz/GdA5/xkY/qPKMDAwAADLZwf5rvm+LQAAAABJRU5ErkJggg==") + ; +} + +.CodeMirror-lint-mark-warning { + background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAADCAYAAAC09K7GAAAAAXNSR0IArs4c6QAAAAZiS0dEAP8A/wD/oL2nkwAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB9sJFhQXEbhTg7YAAAAZdEVYdENvbW1lbnQAQ3JlYXRlZCB3aXRoIEdJTVBXgQ4XAAAAMklEQVQI12NkgIIvJ3QXMjAwdDN+OaEbysDA4MPAwNDNwMCwiOHLCd1zX07o6kBVGQEAKBANtobskNMAAAAASUVORK5CYII="); +} + +.CodeMirror-lint-marker-error, .CodeMirror-lint-marker-warning { + background-position: center center; + background-repeat: no-repeat; + cursor: pointer; + display: inline-block; + height: 16px; + width: 16px; + vertical-align: middle; + position: relative; +} + +.CodeMirror-lint-message-error, .CodeMirror-lint-message-warning { + padding-left: 18px; + background-position: top left; + background-repeat: no-repeat; +} + +.CodeMirror-lint-marker-error, .CodeMirror-lint-message-error { + background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAMAAAAoLQ9TAAAAHlBMVEW7AAC7AACxAAC7AAC7AAAAAAC4AAC5AAD///+7AAAUdclpAAAABnRSTlMXnORSiwCK0ZKSAAAATUlEQVR42mWPOQ7AQAgDuQLx/z8csYRmPRIFIwRGnosRrpamvkKi0FTIiMASR3hhKW+hAN6/tIWhu9PDWiTGNEkTtIOucA5Oyr9ckPgAWm0GPBog6v4AAAAASUVORK5CYII="); +} + +.CodeMirror-lint-marker-warning, .CodeMirror-lint-message-warning { + background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAMAAAAoLQ9TAAAANlBMVEX/uwDvrwD/uwD/uwD/uwD/uwD/uwD/uwD/uwD6twD/uwAAAADurwD2tQD7uAD+ugAAAAD/uwDhmeTRAAAADHRSTlMJ8mN1EYcbmiixgACm7WbuAAAAVklEQVR42n3PUQqAIBBFUU1LLc3u/jdbOJoW1P08DA9Gba8+YWJ6gNJoNYIBzAA2chBth5kLmG9YUoG0NHAUwFXwO9LuBQL1giCQb8gC9Oro2vp5rncCIY8L8uEx5ZkAAAAASUVORK5CYII="); +} + +.CodeMirror-lint-marker-multiple { + background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAcAAAAHCAMAAADzjKfhAAAACVBMVEUAAAAAAAC/v7914kyHAAAAAXRSTlMAQObYZgAAACNJREFUeNo1ioEJAAAIwmz/H90iFFSGJgFMe3gaLZ0od+9/AQZ0ADosbYraAAAAAElFTkSuQmCC"); + background-repeat: no-repeat; + background-position: right bottom; + width: 100%; height: 100%; +} +.CodeMirror-merge { + position: relative; + border: 1px solid #ddd; + white-space: pre; +} + +.CodeMirror-merge, .CodeMirror-merge .CodeMirror { + height: 350px; +} + +.CodeMirror-merge-2pane .CodeMirror-merge-pane { width: 47%; } +.CodeMirror-merge-2pane .CodeMirror-merge-gap { width: 6%; } +.CodeMirror-merge-3pane .CodeMirror-merge-pane { width: 31%; } +.CodeMirror-merge-3pane .CodeMirror-merge-gap { width: 3.5%; } + +.CodeMirror-merge-pane { + display: inline-block; + white-space: normal; + vertical-align: top; +} +.CodeMirror-merge-pane-rightmost { + position: absolute; + right: 0px; + z-index: 1; +} + +.CodeMirror-merge-gap { + z-index: 2; + display: inline-block; + height: 100%; + -moz-box-sizing: border-box; + box-sizing: border-box; + overflow: hidden; + border-left: 1px solid #ddd; + border-right: 1px solid #ddd; + position: relative; + background: #f8f8f8; +} + +.CodeMirror-merge-scrolllock-wrap { + position: absolute; + bottom: 0; left: 50%; +} +.CodeMirror-merge-scrolllock { + position: relative; + left: -50%; + cursor: pointer; + color: #555; + line-height: 1; +} + +.CodeMirror-merge-copybuttons-left, .CodeMirror-merge-copybuttons-right { + position: absolute; + left: 0; top: 0; + right: 0; bottom: 0; + line-height: 1; +} + +.CodeMirror-merge-copy { + position: absolute; + cursor: pointer; + color: #44c; + z-index: 3; +} + +.CodeMirror-merge-copy-reverse { + position: absolute; + cursor: pointer; + color: #44c; +} + +.CodeMirror-merge-copybuttons-left .CodeMirror-merge-copy { left: 2px; } +.CodeMirror-merge-copybuttons-right .CodeMirror-merge-copy { right: 2px; } + +.CodeMirror-merge-r-inserted, .CodeMirror-merge-l-inserted { + background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAACCAYAAACddGYaAAAAGUlEQVQI12MwuCXy3+CWyH8GBgYGJgYkAABZbAQ9ELXurwAAAABJRU5ErkJggg==); + background-position: bottom left; + background-repeat: repeat-x; +} + +.CodeMirror-merge-r-deleted, .CodeMirror-merge-l-deleted { + background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAACCAYAAACddGYaAAAAGUlEQVQI12M4Kyb2/6yY2H8GBgYGJgYkAABURgPz6Ks7wQAAAABJRU5ErkJggg==); + background-position: bottom left; + background-repeat: repeat-x; +} + +.CodeMirror-merge-r-chunk { background: #ffffe0; } +.CodeMirror-merge-r-chunk-start { border-top: 1px solid #ee8; } +.CodeMirror-merge-r-chunk-end { border-bottom: 1px solid #ee8; } +.CodeMirror-merge-r-connect { fill: #ffffe0; stroke: #ee8; stroke-width: 1px; } + +.CodeMirror-merge-l-chunk { background: #eef; } +.CodeMirror-merge-l-chunk-start { border-top: 1px solid #88e; } +.CodeMirror-merge-l-chunk-end { border-bottom: 1px solid #88e; } +.CodeMirror-merge-l-connect { fill: #eef; stroke: #88e; stroke-width: 1px; } + +.CodeMirror-merge-l-chunk.CodeMirror-merge-r-chunk { background: #dfd; } +.CodeMirror-merge-l-chunk-start.CodeMirror-merge-r-chunk-start { border-top: 1px solid #4e4; } +.CodeMirror-merge-l-chunk-end.CodeMirror-merge-r-chunk-end { border-bottom: 1px solid #4e4; } + +.CodeMirror-merge-collapsed-widget:before { + content: "(...)"; +} +.CodeMirror-merge-collapsed-widget { + cursor: pointer; + color: #88b; + background: #eef; + border: 1px solid #ddf; + font-size: 90%; + padding: 0 3px; + border-radius: 4px; +} +.CodeMirror-merge-collapsed-line .CodeMirror-gutter-elt { display: none; } +.CodeMirror-simplescroll-horizontal div, .CodeMirror-simplescroll-vertical div { + position: absolute; + background: #ccc; + -moz-box-sizing: border-box; + box-sizing: border-box; + border: 1px solid #bbb; + border-radius: 2px; +} + +.CodeMirror-simplescroll-horizontal, .CodeMirror-simplescroll-vertical { + position: absolute; + z-index: 6; + background: #eee; +} + +.CodeMirror-simplescroll-horizontal { + bottom: 0; left: 0; + height: 8px; +} +.CodeMirror-simplescroll-horizontal div { + bottom: 0; + height: 100%; +} + +.CodeMirror-simplescroll-vertical { + right: 0; top: 0; + width: 8px; +} +.CodeMirror-simplescroll-vertical div { + right: 0; + width: 100%; +} + + +.CodeMirror-overlayscroll .CodeMirror-scrollbar-filler, .CodeMirror-overlayscroll .CodeMirror-gutter-filler { + display: none; +} + +.CodeMirror-overlayscroll-horizontal div, .CodeMirror-overlayscroll-vertical div { + position: absolute; + background: #bcd; + border-radius: 3px; +} + +.CodeMirror-overlayscroll-horizontal, .CodeMirror-overlayscroll-vertical { + position: absolute; + z-index: 6; +} + +.CodeMirror-overlayscroll-horizontal { + bottom: 0; left: 0; + height: 6px; +} +.CodeMirror-overlayscroll-horizontal div { + bottom: 0; + height: 100%; +} + +.CodeMirror-overlayscroll-vertical { + right: 0; top: 0; + width: 6px; +} +.CodeMirror-overlayscroll-vertical div { + right: 0; + width: 100%; +} +.CodeMirror-Tern-completion { + padding-left: 22px; + position: relative; + line-height: 1.5; +} +.CodeMirror-Tern-completion:before { + position: absolute; + left: 2px; + bottom: 2px; + border-radius: 50%; + font-size: 12px; + font-weight: bold; + height: 15px; + width: 15px; + line-height: 16px; + text-align: center; + color: white; + -moz-box-sizing: border-box; + box-sizing: border-box; +} +.CodeMirror-Tern-completion-unknown:before { + content: "?"; + background: #4bb; +} +.CodeMirror-Tern-completion-object:before { + content: "O"; + background: #77c; +} +.CodeMirror-Tern-completion-fn:before { + content: "F"; + background: #7c7; +} +.CodeMirror-Tern-completion-array:before { + content: "A"; + background: #c66; +} +.CodeMirror-Tern-completion-number:before { + content: "1"; + background: #999; +} +.CodeMirror-Tern-completion-string:before { + content: "S"; + background: #999; +} +.CodeMirror-Tern-completion-bool:before { + content: "B"; + background: #999; +} + +.CodeMirror-Tern-completion-guess { + color: #999; +} + +.CodeMirror-Tern-tooltip { + border: 1px solid silver; + border-radius: 3px; + color: #444; + padding: 2px 5px; + font-size: 90%; + font-family: monospace; + background-color: white; + white-space: pre-wrap; + + max-width: 40em; + position: absolute; + z-index: 10; + -webkit-box-shadow: 2px 3px 5px rgba(0,0,0,.2); + -moz-box-shadow: 2px 3px 5px rgba(0,0,0,.2); + box-shadow: 2px 3px 5px rgba(0,0,0,.2); + + transition: opacity 1s; + -moz-transition: opacity 1s; + -webkit-transition: opacity 1s; + -o-transition: opacity 1s; + -ms-transition: opacity 1s; +} + +.CodeMirror-Tern-hint-doc { + max-width: 25em; + margin-top: -3px; +} + +.CodeMirror-Tern-fname { color: black; } +.CodeMirror-Tern-farg { color: #70a; } +.CodeMirror-Tern-farg-current { text-decoration: underline; } +.CodeMirror-Tern-type { color: #07c; } +.CodeMirror-Tern-fhint-guess { opacity: .7; } diff --git a/assets/plugins/codemirror/cm/index.html b/assets/plugins/codemirror/cm/index.html new file mode 100644 index 0000000000..cfb7d0fe18 --- /dev/null +++ b/assets/plugins/codemirror/cm/index.html @@ -0,0 +1,2 @@ +

Unauthorized access

+You're not allowed to access file folder \ No newline at end of file diff --git a/assets/plugins/codemirror/cm/lib/codemirror-compressed.js b/assets/plugins/codemirror/cm/lib/codemirror-compressed.js index e803211bc2..eda1c574ed 100644 --- a/assets/plugins/codemirror/cm/lib/codemirror-compressed.js +++ b/assets/plugins/codemirror/cm/lib/codemirror-compressed.js @@ -1,8892 +1,4218 @@ -// CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE - -// This is CodeMirror (http://codemirror.net), a code editor -// implemented in JavaScript on top of the browser's DOM. -// -// You can find some technical background for some of the code below -// at http://marijnhaverbeke.nl/blog/#cm-internals . - -(function(mod) { - if (typeof exports == "object" && typeof module == "object") // CommonJS - module.exports = mod(); - else if (typeof define == "function" && define.amd) // AMD - return define([], mod); - else // Plain browser env - (this || window).CodeMirror = mod(); -})(function() { - "use strict"; - - // BROWSER SNIFFING - - // Kludges for bugs and behavior differences that can't be feature - // detected are enabled based on userAgent etc sniffing. - var userAgent = navigator.userAgent; - var platform = navigator.platform; - - var gecko = /gecko\/\d/i.test(userAgent); - var ie_upto10 = /MSIE \d/.test(userAgent); - var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent); - var ie = ie_upto10 || ie_11up; - var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : ie_11up[1]); - var webkit = /WebKit\//.test(userAgent); - var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent); - var chrome = /Chrome\//.test(userAgent); - var presto = /Opera\//.test(userAgent); - var safari = /Apple Computer/.test(navigator.vendor); - var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent); - var phantom = /PhantomJS/.test(userAgent); - - var ios = /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent); - // This is woefully incomplete. Suggestions for alternative methods welcome. - var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent); - var mac = ios || /Mac/.test(platform); - var windows = /win/i.test(platform); - - var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/); - if (presto_version) presto_version = Number(presto_version[1]); - if (presto_version && presto_version >= 15) { presto = false; webkit = true; } - // Some browsers use the wrong event properties to signal cmd/ctrl on OS X - var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11)); - var captureRightClick = gecko || (ie && ie_version >= 9); - - // Optimize some code when these features are not used. - var sawReadOnlySpans = false, sawCollapsedSpans = false; - - // EDITOR CONSTRUCTOR - - // A CodeMirror instance represents an editor. This is the object - // that user code is usually dealing with. - - function CodeMirror(place, options) { - if (!(this instanceof CodeMirror)) return new CodeMirror(place, options); - - this.options = options = options ? copyObj(options) : {}; - // Determine effective options based on given values and defaults. - copyObj(defaults, options, false); - setGuttersForLineNumbers(options); - - var doc = options.value; - if (typeof doc == "string") doc = new Doc(doc, options.mode, null, options.lineSeparator); - this.doc = doc; - - var input = new CodeMirror.inputStyles[options.inputStyle](this); - var display = this.display = new Display(place, doc, input); - display.wrapper.CodeMirror = this; - updateGutters(this); - themeChanged(this); - if (options.lineWrapping) - this.display.wrapper.className += " CodeMirror-wrap"; - if (options.autofocus && !mobile) display.input.focus(); - initScrollbars(this); - - this.state = { - keyMaps: [], // stores maps added by addKeyMap - overlays: [], // highlighting overlays, as added by addOverlay - modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info - overwrite: false, - delayingBlurEvent: false, - focused: false, - suppressEdits: false, // used to disable editing during key handlers when in readOnly mode - pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll - selectingText: false, - draggingText: false, - highlight: new Delayed(), // stores highlight worker timeout - keySeq: null, // Unfinished key sequence - specialChars: null - }; - - var cm = this; - - // Override magic textarea content restore that IE sometimes does - // on our hidden textarea on reload - if (ie && ie_version < 11) setTimeout(function() { cm.display.input.reset(true); }, 20); - - registerEventHandlers(this); - ensureGlobalHandlers(); - - startOperation(this); - this.curOp.forceUpdate = true; - attachDoc(this, doc); - - if ((options.autofocus && !mobile) || cm.hasFocus()) - setTimeout(bind(onFocus, this), 20); - else - onBlur(this); - - for (var opt in optionHandlers) if (optionHandlers.hasOwnProperty(opt)) - optionHandlers[opt](this, options[opt], Init); - maybeUpdateLineNumberWidth(this); - if (options.finishInit) options.finishInit(this); - for (var i = 0; i < initHooks.length; ++i) initHooks[i](this); - endOperation(this); - // Suppress optimizelegibility in Webkit, since it breaks text - // measuring on line wrapping boundaries. - if (webkit && options.lineWrapping && - getComputedStyle(display.lineDiv).textRendering == "optimizelegibility") - display.lineDiv.style.textRendering = "auto"; - } - - // DISPLAY CONSTRUCTOR - - // The display handles the DOM integration, both for input reading - // and content drawing. It holds references to DOM nodes and - // display-related state. - - function Display(place, doc, input) { - var d = this; - this.input = input; - - // Covers bottom-right square when both scrollbars are present. - d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler"); - d.scrollbarFiller.setAttribute("cm-not-content", "true"); - // Covers bottom of gutter when coverGutterNextToScrollbar is on - // and h scrollbar is present. - d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler"); - d.gutterFiller.setAttribute("cm-not-content", "true"); - // Will contain the actual code, positioned to cover the viewport. - d.lineDiv = elt("div", null, "CodeMirror-code"); - // Elements are added to these to represent selection and cursors. - d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1"); - d.cursorDiv = elt("div", null, "CodeMirror-cursors"); - // A visibility: hidden element used to find the size of things. - d.measure = elt("div", null, "CodeMirror-measure"); - // When lines outside of the viewport are measured, they are drawn in this. - d.lineMeasure = elt("div", null, "CodeMirror-measure"); - // Wraps everything that needs to exist inside the vertically-padded coordinate system - d.lineSpace = elt("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv], - null, "position: relative; outline: none"); - // Moved around its parent to cover visible view. - d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative"); - // Set to the height of the document, allowing scrolling. - d.sizer = elt("div", [d.mover], "CodeMirror-sizer"); - d.sizerWidth = null; - // Behavior of elts with overflow: auto and padding is - // inconsistent across browsers. This is used to ensure the - // scrollable area is big enough. - d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;"); - // Will contain the gutters, if any. - d.gutters = elt("div", null, "CodeMirror-gutters"); - d.lineGutter = null; - // Actual scrollable element. - d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll"); - d.scroller.setAttribute("tabIndex", "-1"); - // The element in which the editor lives. - d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror"); - - // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported) - if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; } - if (!webkit && !(gecko && mobile)) d.scroller.draggable = true; - - if (place) { - if (place.appendChild) place.appendChild(d.wrapper); - else place(d.wrapper); - } - - // Current rendered range (may be bigger than the view window). - d.viewFrom = d.viewTo = doc.first; - d.reportedViewFrom = d.reportedViewTo = doc.first; - // Information about the rendered lines. - d.view = []; - d.renderedView = null; - // Holds info about a single rendered line when it was rendered - // for measurement, while not in view. - d.externalMeasured = null; - // Empty space (in pixels) above the view - d.viewOffset = 0; - d.lastWrapHeight = d.lastWrapWidth = 0; - d.updateLineNumbers = null; - - d.nativeBarWidth = d.barHeight = d.barWidth = 0; - d.scrollbarsClipped = false; - - // Used to only resize the line number gutter when necessary (when - // the amount of lines crosses a boundary that makes its width change) - d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null; - // Set to true when a non-horizontal-scrolling line widget is - // added. As an optimization, line widget aligning is skipped when - // this is false. - d.alignWidgets = false; - - d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; - - // Tracks the maximum line length so that the horizontal scrollbar - // can be kept static when scrolling. - d.maxLine = null; - d.maxLineLength = 0; - d.maxLineChanged = false; - - // Used for measuring wheel scrolling granularity - d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null; - - // True when shift is held down. - d.shift = false; - - // Used to track whether anything happened since the context menu - // was opened. - d.selForContextMenu = null; - - d.activeTouch = null; - - input.init(d); - } - - // STATE UPDATES - - // Used to get the editor into a consistent state again when options change. - - function loadMode(cm) { - cm.doc.mode = CodeMirror.getMode(cm.options, cm.doc.modeOption); - resetModeState(cm); - } - - function resetModeState(cm) { - cm.doc.iter(function(line) { - if (line.stateAfter) line.stateAfter = null; - if (line.styles) line.styles = null; - }); - cm.doc.frontier = cm.doc.first; - startWorker(cm, 100); - cm.state.modeGen++; - if (cm.curOp) regChange(cm); - } - - function wrappingChanged(cm) { - if (cm.options.lineWrapping) { - addClass(cm.display.wrapper, "CodeMirror-wrap"); - cm.display.sizer.style.minWidth = ""; - cm.display.sizerWidth = null; - } else { - rmClass(cm.display.wrapper, "CodeMirror-wrap"); - findMaxLine(cm); - } - estimateLineHeights(cm); - regChange(cm); - clearCaches(cm); - setTimeout(function(){updateScrollbars(cm);}, 100); - } - - // Returns a function that estimates the height of a line, to use as - // first approximation until the line becomes visible (and is thus - // properly measurable). - function estimateHeight(cm) { - var th = textHeight(cm.display), wrapping = cm.options.lineWrapping; - var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3); - return function(line) { - if (lineIsHidden(cm.doc, line)) return 0; - - var widgetsHeight = 0; - if (line.widgets) for (var i = 0; i < line.widgets.length; i++) { - if (line.widgets[i].height) widgetsHeight += line.widgets[i].height; - } - - if (wrapping) - return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th; - else - return widgetsHeight + th; - }; - } - - function estimateLineHeights(cm) { - var doc = cm.doc, est = estimateHeight(cm); - doc.iter(function(line) { - var estHeight = est(line); - if (estHeight != line.height) updateLineHeight(line, estHeight); - }); - } - - function themeChanged(cm) { - cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") + - cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-"); - clearCaches(cm); - } - - function guttersChanged(cm) { - updateGutters(cm); - regChange(cm); - setTimeout(function(){alignHorizontally(cm);}, 20); - } - - // Rebuild the gutter elements, ensure the margin to the left of the - // code matches their width. - function updateGutters(cm) { - var gutters = cm.display.gutters, specs = cm.options.gutters; - removeChildren(gutters); - for (var i = 0; i < specs.length; ++i) { - var gutterClass = specs[i]; - var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass)); - if (gutterClass == "CodeMirror-linenumbers") { - cm.display.lineGutter = gElt; - gElt.style.width = (cm.display.lineNumWidth || 1) + "px"; - } - } - gutters.style.display = i ? "" : "none"; - updateGutterSpace(cm); - } - - function updateGutterSpace(cm) { - var width = cm.display.gutters.offsetWidth; - cm.display.sizer.style.marginLeft = width + "px"; - } - - // Compute the character length of a line, taking into account - // collapsed ranges (see markText) that might hide parts, and join - // other lines onto it. - function lineLength(line) { - if (line.height == 0) return 0; - var len = line.text.length, merged, cur = line; - while (merged = collapsedSpanAtStart(cur)) { - var found = merged.find(0, true); - cur = found.from.line; - len += found.from.ch - found.to.ch; - } - cur = line; - while (merged = collapsedSpanAtEnd(cur)) { - var found = merged.find(0, true); - len -= cur.text.length - found.from.ch; - cur = found.to.line; - len += cur.text.length - found.to.ch; - } - return len; - } - - // Find the longest line in the document. - function findMaxLine(cm) { - var d = cm.display, doc = cm.doc; - d.maxLine = getLine(doc, doc.first); - d.maxLineLength = lineLength(d.maxLine); - d.maxLineChanged = true; - doc.iter(function(line) { - var len = lineLength(line); - if (len > d.maxLineLength) { - d.maxLineLength = len; - d.maxLine = line; - } - }); - } - - // Make sure the gutters options contains the element - // "CodeMirror-linenumbers" when the lineNumbers option is true. - function setGuttersForLineNumbers(options) { - var found = indexOf(options.gutters, "CodeMirror-linenumbers"); - if (found == -1 && options.lineNumbers) { - options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]); - } else if (found > -1 && !options.lineNumbers) { - options.gutters = options.gutters.slice(0); - options.gutters.splice(found, 1); - } - } - - // SCROLLBARS - - // Prepare DOM reads needed to update the scrollbars. Done in one - // shot to minimize update/measure roundtrips. - function measureForScrollbars(cm) { - var d = cm.display, gutterW = d.gutters.offsetWidth; - var docH = Math.round(cm.doc.height + paddingVert(cm.display)); - return { - clientHeight: d.scroller.clientHeight, - viewHeight: d.wrapper.clientHeight, - scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth, - viewWidth: d.wrapper.clientWidth, - barLeft: cm.options.fixedGutter ? gutterW : 0, - docHeight: docH, - scrollHeight: docH + scrollGap(cm) + d.barHeight, - nativeBarWidth: d.nativeBarWidth, - gutterWidth: gutterW - }; - } - - function NativeScrollbars(place, scroll, cm) { - this.cm = cm; - var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar"); - var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar"); - place(vert); place(horiz); - - on(vert, "scroll", function() { - if (vert.clientHeight) scroll(vert.scrollTop, "vertical"); - }); - on(horiz, "scroll", function() { - if (horiz.clientWidth) scroll(horiz.scrollLeft, "horizontal"); - }); - - this.checkedZeroWidth = false; - // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). - if (ie && ie_version < 8) this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; - } - - NativeScrollbars.prototype = copyObj({ - update: function(measure) { - var needsH = measure.scrollWidth > measure.clientWidth + 1; - var needsV = measure.scrollHeight > measure.clientHeight + 1; - var sWidth = measure.nativeBarWidth; - - if (needsV) { - this.vert.style.display = "block"; - this.vert.style.bottom = needsH ? sWidth + "px" : "0"; - var totalHeight = measure.viewHeight - (needsH ? sWidth : 0); - // A bug in IE8 can cause this value to be negative, so guard it. - this.vert.firstChild.style.height = - Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px"; - } else { - this.vert.style.display = ""; - this.vert.firstChild.style.height = "0"; - } - - if (needsH) { - this.horiz.style.display = "block"; - this.horiz.style.right = needsV ? sWidth + "px" : "0"; - this.horiz.style.left = measure.barLeft + "px"; - var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0); - this.horiz.firstChild.style.width = - (measure.scrollWidth - measure.clientWidth + totalWidth) + "px"; - } else { - this.horiz.style.display = ""; - this.horiz.firstChild.style.width = "0"; - } - - if (!this.checkedZeroWidth && measure.clientHeight > 0) { - if (sWidth == 0) this.zeroWidthHack(); - this.checkedZeroWidth = true; - } - - return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0}; - }, - setScrollLeft: function(pos) { - if (this.horiz.scrollLeft != pos) this.horiz.scrollLeft = pos; - if (this.disableHoriz) this.enableZeroWidthBar(this.horiz, this.disableHoriz); - }, - setScrollTop: function(pos) { - if (this.vert.scrollTop != pos) this.vert.scrollTop = pos; - if (this.disableVert) this.enableZeroWidthBar(this.vert, this.disableVert); - }, - zeroWidthHack: function() { - var w = mac && !mac_geMountainLion ? "12px" : "18px"; - this.horiz.style.height = this.vert.style.width = w; - this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none"; - this.disableHoriz = new Delayed; - this.disableVert = new Delayed; - }, - enableZeroWidthBar: function(bar, delay) { - bar.style.pointerEvents = "auto"; - function maybeDisable() { - // To find out whether the scrollbar is still visible, we - // check whether the element under the pixel in the bottom - // left corner of the scrollbar box is the scrollbar box - // itself (when the bar is still visible) or its filler child - // (when the bar is hidden). If it is still visible, we keep - // it enabled, if it's hidden, we disable pointer events. - var box = bar.getBoundingClientRect(); - var elt = document.elementFromPoint(box.left + 1, box.bottom - 1); - if (elt != bar) bar.style.pointerEvents = "none"; - else delay.set(1000, maybeDisable); - } - delay.set(1000, maybeDisable); - }, - clear: function() { - var parent = this.horiz.parentNode; - parent.removeChild(this.horiz); - parent.removeChild(this.vert); - } - }, NativeScrollbars.prototype); - - function NullScrollbars() {} - - NullScrollbars.prototype = copyObj({ - update: function() { return {bottom: 0, right: 0}; }, - setScrollLeft: function() {}, - setScrollTop: function() {}, - clear: function() {} - }, NullScrollbars.prototype); - - CodeMirror.scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars}; - - function initScrollbars(cm) { - if (cm.display.scrollbars) { - cm.display.scrollbars.clear(); - if (cm.display.scrollbars.addClass) - rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); - } - - cm.display.scrollbars = new CodeMirror.scrollbarModel[cm.options.scrollbarStyle](function(node) { - cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller); - // Prevent clicks in the scrollbars from killing focus - on(node, "mousedown", function() { - if (cm.state.focused) setTimeout(function() { cm.display.input.focus(); }, 0); - }); - node.setAttribute("cm-not-content", "true"); - }, function(pos, axis) { - if (axis == "horizontal") setScrollLeft(cm, pos); - else setScrollTop(cm, pos); - }, cm); - if (cm.display.scrollbars.addClass) - addClass(cm.display.wrapper, cm.display.scrollbars.addClass); - } - - function updateScrollbars(cm, measure) { - if (!measure) measure = measureForScrollbars(cm); - var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight; - updateScrollbarsInner(cm, measure); - for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) { - if (startWidth != cm.display.barWidth && cm.options.lineWrapping) - updateHeightsInViewport(cm); - updateScrollbarsInner(cm, measureForScrollbars(cm)); - startWidth = cm.display.barWidth; startHeight = cm.display.barHeight; - } - } - - // Re-synchronize the fake scrollbars with the actual size of the - // content. - function updateScrollbarsInner(cm, measure) { - var d = cm.display; - var sizes = d.scrollbars.update(measure); - - d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px"; - d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px"; - d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent" - - if (sizes.right && sizes.bottom) { - d.scrollbarFiller.style.display = "block"; - d.scrollbarFiller.style.height = sizes.bottom + "px"; - d.scrollbarFiller.style.width = sizes.right + "px"; - } else d.scrollbarFiller.style.display = ""; - if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) { - d.gutterFiller.style.display = "block"; - d.gutterFiller.style.height = sizes.bottom + "px"; - d.gutterFiller.style.width = measure.gutterWidth + "px"; - } else d.gutterFiller.style.display = ""; - } - - // Compute the lines that are visible in a given viewport (defaults - // the the current scroll position). viewport may contain top, - // height, and ensure (see op.scrollToPos) properties. - function visibleLines(display, doc, viewport) { - var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop; - top = Math.floor(top - paddingTop(display)); - var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight; - - var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom); - // Ensure is a {from: {line, ch}, to: {line, ch}} object, and - // forces those lines into the viewport (if possible). - if (viewport && viewport.ensure) { - var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line; - if (ensureFrom < from) { - from = ensureFrom; - to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight); - } else if (Math.min(ensureTo, doc.lastLine()) >= to) { - from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight); - to = ensureTo; - } - } - return {from: from, to: Math.max(to, from + 1)}; - } - - // LINE NUMBERS - - // Re-align line numbers and gutter marks to compensate for - // horizontal scrolling. - function alignHorizontally(cm) { - var display = cm.display, view = display.view; - if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) return; - var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft; - var gutterW = display.gutters.offsetWidth, left = comp + "px"; - for (var i = 0; i < view.length; i++) if (!view[i].hidden) { - if (cm.options.fixedGutter && view[i].gutter) - view[i].gutter.style.left = left; - var align = view[i].alignable; - if (align) for (var j = 0; j < align.length; j++) - align[j].style.left = left; - } - if (cm.options.fixedGutter) - display.gutters.style.left = (comp + gutterW) + "px"; - } - - // Used to ensure that the line number gutter is still the right - // size for the current document size. Returns true when an update - // is needed. - function maybeUpdateLineNumberWidth(cm) { - if (!cm.options.lineNumbers) return false; - var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display; - if (last.length != display.lineNumChars) { - var test = display.measure.appendChild(elt("div", [elt("div", last)], - "CodeMirror-linenumber CodeMirror-gutter-elt")); - var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW; - display.lineGutter.style.width = ""; - display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1; - display.lineNumWidth = display.lineNumInnerWidth + padding; - display.lineNumChars = display.lineNumInnerWidth ? last.length : -1; - display.lineGutter.style.width = display.lineNumWidth + "px"; - updateGutterSpace(cm); - return true; - } - return false; - } - - function lineNumberFor(options, i) { - return String(options.lineNumberFormatter(i + options.firstLineNumber)); - } - - // Computes display.scroller.scrollLeft + display.gutters.offsetWidth, - // but using getBoundingClientRect to get a sub-pixel-accurate - // result. - function compensateForHScroll(display) { - return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left; - } - - // DISPLAY DRAWING - - function DisplayUpdate(cm, viewport, force) { - var display = cm.display; - - this.viewport = viewport; - // Store some values that we'll need later (but don't want to force a relayout for) - this.visible = visibleLines(display, cm.doc, viewport); - this.editorIsHidden = !display.wrapper.offsetWidth; - this.wrapperHeight = display.wrapper.clientHeight; - this.wrapperWidth = display.wrapper.clientWidth; - this.oldDisplayWidth = displayWidth(cm); - this.force = force; - this.dims = getDimensions(cm); - this.events = []; - } - - DisplayUpdate.prototype.signal = function(emitter, type) { - if (hasHandler(emitter, type)) - this.events.push(arguments); - }; - DisplayUpdate.prototype.finish = function() { - for (var i = 0; i < this.events.length; i++) - signal.apply(null, this.events[i]); - }; - - function maybeClipScrollbars(cm) { - var display = cm.display; - if (!display.scrollbarsClipped && display.scroller.offsetWidth) { - display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth; - display.heightForcer.style.height = scrollGap(cm) + "px"; - display.sizer.style.marginBottom = -display.nativeBarWidth + "px"; - display.sizer.style.borderRightWidth = scrollGap(cm) + "px"; - display.scrollbarsClipped = true; - } - } - - // Does the actual updating of the line display. Bails out - // (returning false) when there is nothing to be done and forced is - // false. - function updateDisplayIfNeeded(cm, update) { - var display = cm.display, doc = cm.doc; - - if (update.editorIsHidden) { - resetView(cm); - return false; - } - - // Bail out if the visible area is already rendered and nothing changed. - if (!update.force && - update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo && - (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) && - display.renderedView == display.view && countDirtyView(cm) == 0) - return false; - - if (maybeUpdateLineNumberWidth(cm)) { - resetView(cm); - update.dims = getDimensions(cm); - } - - // Compute a suitable new viewport (from & to) - var end = doc.first + doc.size; - var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first); - var to = Math.min(end, update.visible.to + cm.options.viewportMargin); - if (display.viewFrom < from && from - display.viewFrom < 20) from = Math.max(doc.first, display.viewFrom); - if (display.viewTo > to && display.viewTo - to < 20) to = Math.min(end, display.viewTo); - if (sawCollapsedSpans) { - from = visualLineNo(cm.doc, from); - to = visualLineEndNo(cm.doc, to); - } - - var different = from != display.viewFrom || to != display.viewTo || - display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth; - adjustView(cm, from, to); - - display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom)); - // Position the mover div to align with the current scroll position - cm.display.mover.style.top = display.viewOffset + "px"; - - var toUpdate = countDirtyView(cm); - if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view && - (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo)) - return false; - - // For big changes, we hide the enclosing element during the - // update, since that speeds up the operations on most browsers. - var focused = activeElt(); - if (toUpdate > 4) display.lineDiv.style.display = "none"; - patchDisplay(cm, display.updateLineNumbers, update.dims); - if (toUpdate > 4) display.lineDiv.style.display = ""; - display.renderedView = display.view; - // There might have been a widget with a focused element that got - // hidden or updated, if so re-focus it. - if (focused && activeElt() != focused && focused.offsetHeight) focused.focus(); - - // Prevent selection and cursors from interfering with the scroll - // width and height. - removeChildren(display.cursorDiv); - removeChildren(display.selectionDiv); - display.gutters.style.height = display.sizer.style.minHeight = 0; - - if (different) { - display.lastWrapHeight = update.wrapperHeight; - display.lastWrapWidth = update.wrapperWidth; - startWorker(cm, 400); - } - - display.updateLineNumbers = null; - - return true; - } - - function postUpdateDisplay(cm, update) { - var viewport = update.viewport; - for (var first = true;; first = false) { - if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) { - // Clip forced viewport to actual scrollable area. - if (viewport && viewport.top != null) - viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; - // Updated line heights might result in the drawn area not - // actually covering the viewport. Keep looping until it does. - update.visible = visibleLines(cm.display, cm.doc, viewport); - if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo) - break; - } - if (!updateDisplayIfNeeded(cm, update)) break; - updateHeightsInViewport(cm); - var barMeasure = measureForScrollbars(cm); - updateSelection(cm); - setDocumentHeight(cm, barMeasure); - updateScrollbars(cm, barMeasure); - } - - update.signal(cm, "update", cm); - if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) { - update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo); - cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo; - } - } - - function updateDisplaySimple(cm, viewport) { - var update = new DisplayUpdate(cm, viewport); - if (updateDisplayIfNeeded(cm, update)) { - updateHeightsInViewport(cm); - postUpdateDisplay(cm, update); - var barMeasure = measureForScrollbars(cm); - updateSelection(cm); - setDocumentHeight(cm, barMeasure); - updateScrollbars(cm, barMeasure); - update.finish(); - } - } - - function setDocumentHeight(cm, measure) { - cm.display.sizer.style.minHeight = measure.docHeight + "px"; - cm.display.heightForcer.style.top = measure.docHeight + "px"; - cm.display.gutters.style.height = Math.max(measure.docHeight + cm.display.barHeight + scrollGap(cm), - measure.clientHeight) + "px"; - } - - // Read the actual heights of the rendered lines, and update their - // stored heights to match. - function updateHeightsInViewport(cm) { - var display = cm.display; - var prevBottom = display.lineDiv.offsetTop; - for (var i = 0; i < display.view.length; i++) { - var cur = display.view[i], height; - if (cur.hidden) continue; - if (ie && ie_version < 8) { - var bot = cur.node.offsetTop + cur.node.offsetHeight; - height = bot - prevBottom; - prevBottom = bot; - } else { - var box = cur.node.getBoundingClientRect(); - height = box.bottom - box.top; - } - var diff = cur.line.height - height; - if (height < 2) height = textHeight(display); - if (diff > .001 || diff < -.001) { - updateLineHeight(cur.line, height); - updateWidgetHeight(cur.line); - if (cur.rest) for (var j = 0; j < cur.rest.length; j++) - updateWidgetHeight(cur.rest[j]); - } - } - } - - // Read and store the height of line widgets associated with the - // given line. - function updateWidgetHeight(line) { - if (line.widgets) for (var i = 0; i < line.widgets.length; ++i) - line.widgets[i].height = line.widgets[i].node.parentNode.offsetHeight; - } - - // Do a bulk-read of the DOM positions and sizes needed to draw the - // view, so that we don't interleave reading and writing to the DOM. - function getDimensions(cm) { - var d = cm.display, left = {}, width = {}; - var gutterLeft = d.gutters.clientLeft; - for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) { - left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft; - width[cm.options.gutters[i]] = n.clientWidth; - } - return {fixedPos: compensateForHScroll(d), - gutterTotalWidth: d.gutters.offsetWidth, - gutterLeft: left, - gutterWidth: width, - wrapperWidth: d.wrapper.clientWidth}; - } - - // Sync the actual display DOM structure with display.view, removing - // nodes for lines that are no longer in view, and creating the ones - // that are not there yet, and updating the ones that are out of - // date. - function patchDisplay(cm, updateNumbersFrom, dims) { - var display = cm.display, lineNumbers = cm.options.lineNumbers; - var container = display.lineDiv, cur = container.firstChild; - - function rm(node) { - var next = node.nextSibling; - // Works around a throw-scroll bug in OS X Webkit - if (webkit && mac && cm.display.currentWheelTarget == node) - node.style.display = "none"; - else - node.parentNode.removeChild(node); - return next; - } - - var view = display.view, lineN = display.viewFrom; - // Loop over the elements in the view, syncing cur (the DOM nodes - // in display.lineDiv) with the view as we go. - for (var i = 0; i < view.length; i++) { - var lineView = view[i]; - if (lineView.hidden) { - } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet - var node = buildLineElement(cm, lineView, lineN, dims); - container.insertBefore(node, cur); - } else { // Already drawn - while (cur != lineView.node) cur = rm(cur); - var updateNumber = lineNumbers && updateNumbersFrom != null && - updateNumbersFrom <= lineN && lineView.lineNumber; - if (lineView.changes) { - if (indexOf(lineView.changes, "gutter") > -1) updateNumber = false; - updateLineForChanges(cm, lineView, lineN, dims); - } - if (updateNumber) { - removeChildren(lineView.lineNumber); - lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN))); - } - cur = lineView.node.nextSibling; - } - lineN += lineView.size; - } - while (cur) cur = rm(cur); - } - - // When an aspect of a line changes, a string is added to - // lineView.changes. This updates the relevant part of the line's - // DOM structure. - function updateLineForChanges(cm, lineView, lineN, dims) { - for (var j = 0; j < lineView.changes.length; j++) { - var type = lineView.changes[j]; - if (type == "text") updateLineText(cm, lineView); - else if (type == "gutter") updateLineGutter(cm, lineView, lineN, dims); - else if (type == "class") updateLineClasses(lineView); - else if (type == "widget") updateLineWidgets(cm, lineView, dims); - } - lineView.changes = null; - } - - // Lines with gutter elements, widgets or a background class need to - // be wrapped, and have the extra elements added to the wrapper div - function ensureLineWrapped(lineView) { - if (lineView.node == lineView.text) { - lineView.node = elt("div", null, null, "position: relative"); - if (lineView.text.parentNode) - lineView.text.parentNode.replaceChild(lineView.node, lineView.text); - lineView.node.appendChild(lineView.text); - if (ie && ie_version < 8) lineView.node.style.zIndex = 2; - } - return lineView.node; - } - - function updateLineBackground(lineView) { - var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass; - if (cls) cls += " CodeMirror-linebackground"; - if (lineView.background) { - if (cls) lineView.background.className = cls; - else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; } - } else if (cls) { - var wrap = ensureLineWrapped(lineView); - lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild); - } - } - - // Wrapper around buildLineContent which will reuse the structure - // in display.externalMeasured when possible. - function getLineContent(cm, lineView) { - var ext = cm.display.externalMeasured; - if (ext && ext.line == lineView.line) { - cm.display.externalMeasured = null; - lineView.measure = ext.measure; - return ext.built; - } - return buildLineContent(cm, lineView); - } - - // Redraw the line's text. Interacts with the background and text - // classes because the mode may output tokens that influence these - // classes. - function updateLineText(cm, lineView) { - var cls = lineView.text.className; - var built = getLineContent(cm, lineView); - if (lineView.text == lineView.node) lineView.node = built.pre; - lineView.text.parentNode.replaceChild(built.pre, lineView.text); - lineView.text = built.pre; - if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) { - lineView.bgClass = built.bgClass; - lineView.textClass = built.textClass; - updateLineClasses(lineView); - } else if (cls) { - lineView.text.className = cls; - } - } - - function updateLineClasses(lineView) { - updateLineBackground(lineView); - if (lineView.line.wrapClass) - ensureLineWrapped(lineView).className = lineView.line.wrapClass; - else if (lineView.node != lineView.text) - lineView.node.className = ""; - var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass; - lineView.text.className = textClass || ""; - } - - function updateLineGutter(cm, lineView, lineN, dims) { - if (lineView.gutter) { - lineView.node.removeChild(lineView.gutter); - lineView.gutter = null; - } - if (lineView.gutterBackground) { - lineView.node.removeChild(lineView.gutterBackground); - lineView.gutterBackground = null; - } - if (lineView.line.gutterClass) { - var wrap = ensureLineWrapped(lineView); - lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass, - "left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + - "px; width: " + dims.gutterTotalWidth + "px"); - wrap.insertBefore(lineView.gutterBackground, lineView.text); - } - var markers = lineView.line.gutterMarkers; - if (cm.options.lineNumbers || markers) { - var wrap = ensureLineWrapped(lineView); - var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", "left: " + - (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"); - cm.display.input.setUneditable(gutterWrap); - wrap.insertBefore(gutterWrap, lineView.text); - if (lineView.line.gutterClass) - gutterWrap.className += " " + lineView.line.gutterClass; - if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"])) - lineView.lineNumber = gutterWrap.appendChild( - elt("div", lineNumberFor(cm.options, lineN), - "CodeMirror-linenumber CodeMirror-gutter-elt", - "left: " + dims.gutterLeft["CodeMirror-linenumbers"] + "px; width: " - + cm.display.lineNumInnerWidth + "px")); - if (markers) for (var k = 0; k < cm.options.gutters.length; ++k) { - var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id]; - if (found) - gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", "left: " + - dims.gutterLeft[id] + "px; width: " + dims.gutterWidth[id] + "px")); - } - } - } - - function updateLineWidgets(cm, lineView, dims) { - if (lineView.alignable) lineView.alignable = null; - for (var node = lineView.node.firstChild, next; node; node = next) { - var next = node.nextSibling; - if (node.className == "CodeMirror-linewidget") - lineView.node.removeChild(node); - } - insertLineWidgets(cm, lineView, dims); - } - - // Build a line's DOM representation from scratch - function buildLineElement(cm, lineView, lineN, dims) { - var built = getLineContent(cm, lineView); - lineView.text = lineView.node = built.pre; - if (built.bgClass) lineView.bgClass = built.bgClass; - if (built.textClass) lineView.textClass = built.textClass; - - updateLineClasses(lineView); - updateLineGutter(cm, lineView, lineN, dims); - insertLineWidgets(cm, lineView, dims); - return lineView.node; - } - - // A lineView may contain multiple logical lines (when merged by - // collapsed spans). The widgets for all of them need to be drawn. - function insertLineWidgets(cm, lineView, dims) { - insertLineWidgetsFor(cm, lineView.line, lineView, dims, true); - if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++) - insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); - } - - function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) { - if (!line.widgets) return; - var wrap = ensureLineWrapped(lineView); - for (var i = 0, ws = line.widgets; i < ws.length; ++i) { - var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget"); - if (!widget.handleMouseEvents) node.setAttribute("cm-ignore-events", "true"); - positionLineWidget(widget, node, lineView, dims); - cm.display.input.setUneditable(node); - if (allowAbove && widget.above) - wrap.insertBefore(node, lineView.gutter || lineView.text); - else - wrap.appendChild(node); - signalLater(widget, "redraw"); - } - } - - function positionLineWidget(widget, node, lineView, dims) { - if (widget.noHScroll) { - (lineView.alignable || (lineView.alignable = [])).push(node); - var width = dims.wrapperWidth; - node.style.left = dims.fixedPos + "px"; - if (!widget.coverGutter) { - width -= dims.gutterTotalWidth; - node.style.paddingLeft = dims.gutterTotalWidth + "px"; - } - node.style.width = width + "px"; - } - if (widget.coverGutter) { - node.style.zIndex = 5; - node.style.position = "relative"; - if (!widget.noHScroll) node.style.marginLeft = -dims.gutterTotalWidth + "px"; - } - } - - // POSITION OBJECT - - // A Pos instance represents a position within the text. - var Pos = CodeMirror.Pos = function(line, ch) { - if (!(this instanceof Pos)) return new Pos(line, ch); - this.line = line; this.ch = ch; - }; - - // Compare two positions, return 0 if they are the same, a negative - // number when a is less, and a positive number otherwise. - var cmp = CodeMirror.cmpPos = function(a, b) { return a.line - b.line || a.ch - b.ch; }; - - function copyPos(x) {return Pos(x.line, x.ch);} - function maxPos(a, b) { return cmp(a, b) < 0 ? b : a; } - function minPos(a, b) { return cmp(a, b) < 0 ? a : b; } - - // INPUT HANDLING - - function ensureFocus(cm) { - if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); } - } - - // This will be set to an array of strings when copying, so that, - // when pasting, we know what kind of selections the copied text - // was made out of. - var lastCopied = null; - - function applyTextInput(cm, inserted, deleted, sel, origin) { - var doc = cm.doc; - cm.display.shift = false; - if (!sel) sel = doc.sel; - - var paste = cm.state.pasteIncoming || origin == "paste"; - var textLines = doc.splitLines(inserted), multiPaste = null; - // When pasing N lines into N selections, insert one line per selection - if (paste && sel.ranges.length > 1) { - if (lastCopied && lastCopied.join("\n") == inserted) { - if (sel.ranges.length % lastCopied.length == 0) { - multiPaste = []; - for (var i = 0; i < lastCopied.length; i++) - multiPaste.push(doc.splitLines(lastCopied[i])); - } - } else if (textLines.length == sel.ranges.length) { - multiPaste = map(textLines, function(l) { return [l]; }); - } - } - - // Normal behavior is to insert the new text into every selection - for (var i = sel.ranges.length - 1; i >= 0; i--) { - var range = sel.ranges[i]; - var from = range.from(), to = range.to(); - if (range.empty()) { - if (deleted && deleted > 0) // Handle deletion - from = Pos(from.line, from.ch - deleted); - else if (cm.state.overwrite && !paste) // Handle overwrite - to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); - } - var updateInput = cm.curOp.updateInput; - var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i % multiPaste.length] : textLines, - origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")}; - makeChange(cm.doc, changeEvent); - signalLater(cm, "inputRead", cm, changeEvent); - } - if (inserted && !paste) - triggerElectric(cm, inserted); - - ensureCursorVisible(cm); - cm.curOp.updateInput = updateInput; - cm.curOp.typing = true; - cm.state.pasteIncoming = cm.state.cutIncoming = false; - } - - function handlePaste(e, cm) { - var pasted = e.clipboardData && e.clipboardData.getData("text/plain"); - if (pasted) { - e.preventDefault(); - if (!cm.isReadOnly() && !cm.options.disableInput) - runInOp(cm, function() { applyTextInput(cm, pasted, 0, null, "paste"); }); - return true; - } - } - - function triggerElectric(cm, inserted) { - // When an 'electric' character is inserted, immediately trigger a reindent - if (!cm.options.electricChars || !cm.options.smartIndent) return; - var sel = cm.doc.sel; - - for (var i = sel.ranges.length - 1; i >= 0; i--) { - var range = sel.ranges[i]; - if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) continue; - var mode = cm.getModeAt(range.head); - var indented = false; - if (mode.electricChars) { - for (var j = 0; j < mode.electricChars.length; j++) - if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) { - indented = indentLine(cm, range.head.line, "smart"); - break; - } - } else if (mode.electricInput) { - if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch))) - indented = indentLine(cm, range.head.line, "smart"); - } - if (indented) signalLater(cm, "electricInput", cm, range.head.line); - } - } - - function copyableRanges(cm) { - var text = [], ranges = []; - for (var i = 0; i < cm.doc.sel.ranges.length; i++) { - var line = cm.doc.sel.ranges[i].head.line; - var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)}; - ranges.push(lineRange); - text.push(cm.getRange(lineRange.anchor, lineRange.head)); - } - return {text: text, ranges: ranges}; - } - - function disableBrowserMagic(field) { - field.setAttribute("autocorrect", "off"); - field.setAttribute("autocapitalize", "off"); - field.setAttribute("spellcheck", "false"); - } - - // TEXTAREA INPUT STYLE - - function TextareaInput(cm) { - this.cm = cm; - // See input.poll and input.reset - this.prevInput = ""; - - // Flag that indicates whether we expect input to appear real soon - // now (after some event like 'keypress' or 'input') and are - // polling intensively. - this.pollingFast = false; - // Self-resetting timeout for the poller - this.polling = new Delayed(); - // Tracks when input.reset has punted to just putting a short - // string into the textarea instead of the full selection. - this.inaccurateSelection = false; - // Used to work around IE issue with selection being forgotten when focus moves away from textarea - this.hasSelection = false; - this.composing = null; - }; - - function hiddenTextarea() { - var te = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em; outline: none"); - var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;"); - // The textarea is kept positioned near the cursor to prevent the - // fact that it'll be scrolled into view on input from scrolling - // our fake cursor out of view. On webkit, when wrap=off, paste is - // very slow. So make the area wide instead. - if (webkit) te.style.width = "1000px"; - else te.setAttribute("wrap", "off"); - // If border: 0; -- iOS fails to open keyboard (issue #1287) - if (ios) te.style.border = "1px solid black"; - disableBrowserMagic(te); - return div; - } - - TextareaInput.prototype = copyObj({ - init: function(display) { - var input = this, cm = this.cm; - - // Wraps and hides input textarea - var div = this.wrapper = hiddenTextarea(); - // The semihidden textarea that is focused when the editor is - // focused, and receives input. - var te = this.textarea = div.firstChild; - display.wrapper.insertBefore(div, display.wrapper.firstChild); - - // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore) - if (ios) te.style.width = "0px"; - - on(te, "input", function() { - if (ie && ie_version >= 9 && input.hasSelection) input.hasSelection = null; - input.poll(); - }); - - on(te, "paste", function(e) { - if (signalDOMEvent(cm, e) || handlePaste(e, cm)) return - - cm.state.pasteIncoming = true; - input.fastPoll(); - }); - - function prepareCopyCut(e) { - if (signalDOMEvent(cm, e)) return - if (cm.somethingSelected()) { - lastCopied = cm.getSelections(); - if (input.inaccurateSelection) { - input.prevInput = ""; - input.inaccurateSelection = false; - te.value = lastCopied.join("\n"); - selectInput(te); - } - } else if (!cm.options.lineWiseCopyCut) { - return; - } else { - var ranges = copyableRanges(cm); - lastCopied = ranges.text; - if (e.type == "cut") { - cm.setSelections(ranges.ranges, null, sel_dontScroll); - } else { - input.prevInput = ""; - te.value = ranges.text.join("\n"); - selectInput(te); - } - } - if (e.type == "cut") cm.state.cutIncoming = true; - } - on(te, "cut", prepareCopyCut); - on(te, "copy", prepareCopyCut); - - on(display.scroller, "paste", function(e) { - if (eventInWidget(display, e) || signalDOMEvent(cm, e)) return; - cm.state.pasteIncoming = true; - input.focus(); - }); - - // Prevent normal selection in the editor (we handle our own) - on(display.lineSpace, "selectstart", function(e) { - if (!eventInWidget(display, e)) e_preventDefault(e); - }); - - on(te, "compositionstart", function() { - var start = cm.getCursor("from"); - if (input.composing) input.composing.range.clear() - input.composing = { - start: start, - range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"}) - }; - }); - on(te, "compositionend", function() { - if (input.composing) { - input.poll(); - input.composing.range.clear(); - input.composing = null; - } - }); - }, - - prepareSelection: function() { - // Redraw the selection and/or cursor - var cm = this.cm, display = cm.display, doc = cm.doc; - var result = prepareSelection(cm); - - // Move the hidden textarea near the cursor to prevent scrolling artifacts - if (cm.options.moveInputWithCursor) { - var headPos = cursorCoords(cm, doc.sel.primary().head, "div"); - var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect(); - result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10, - headPos.top + lineOff.top - wrapOff.top)); - result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10, - headPos.left + lineOff.left - wrapOff.left)); - } - - return result; - }, - - showSelection: function(drawn) { - var cm = this.cm, display = cm.display; - removeChildrenAndAdd(display.cursorDiv, drawn.cursors); - removeChildrenAndAdd(display.selectionDiv, drawn.selection); - if (drawn.teTop != null) { - this.wrapper.style.top = drawn.teTop + "px"; - this.wrapper.style.left = drawn.teLeft + "px"; - } - }, - - // Reset the input to correspond to the selection (or to be empty, - // when not typing and nothing is selected) - reset: function(typing) { - if (this.contextMenuPending) return; - var minimal, selected, cm = this.cm, doc = cm.doc; - if (cm.somethingSelected()) { - this.prevInput = ""; - var range = doc.sel.primary(); - minimal = hasCopyEvent && - (range.to().line - range.from().line > 100 || (selected = cm.getSelection()).length > 1000); - var content = minimal ? "-" : selected || cm.getSelection(); - this.textarea.value = content; - if (cm.state.focused) selectInput(this.textarea); - if (ie && ie_version >= 9) this.hasSelection = content; - } else if (!typing) { - this.prevInput = this.textarea.value = ""; - if (ie && ie_version >= 9) this.hasSelection = null; - } - this.inaccurateSelection = minimal; - }, - - getField: function() { return this.textarea; }, - - supportsTouch: function() { return false; }, - - focus: function() { - if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) { - try { this.textarea.focus(); } - catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM - } - }, - - blur: function() { this.textarea.blur(); }, - - resetPosition: function() { - this.wrapper.style.top = this.wrapper.style.left = 0; - }, - - receivedFocus: function() { this.slowPoll(); }, - - // Poll for input changes, using the normal rate of polling. This - // runs as long as the editor is focused. - slowPoll: function() { - var input = this; - if (input.pollingFast) return; - input.polling.set(this.cm.options.pollInterval, function() { - input.poll(); - if (input.cm.state.focused) input.slowPoll(); - }); - }, - - // When an event has just come in that is likely to add or change - // something in the input textarea, we poll faster, to ensure that - // the change appears on the screen quickly. - fastPoll: function() { - var missed = false, input = this; - input.pollingFast = true; - function p() { - var changed = input.poll(); - if (!changed && !missed) {missed = true; input.polling.set(60, p);} - else {input.pollingFast = false; input.slowPoll();} - } - input.polling.set(20, p); - }, - - // Read input from the textarea, and update the document to match. - // When something is selected, it is present in the textarea, and - // selected (unless it is huge, in which case a placeholder is - // used). When nothing is selected, the cursor sits after previously - // seen text (can be empty), which is stored in prevInput (we must - // not reset the textarea when typing, because that breaks IME). - poll: function() { - var cm = this.cm, input = this.textarea, prevInput = this.prevInput; - // Since this is called a *lot*, try to bail out as cheaply as - // possible when it is clear that nothing happened. hasSelection - // will be the case when there is a lot of text in the textarea, - // in which case reading its value would be expensive. - if (this.contextMenuPending || !cm.state.focused || - (hasSelection(input) && !prevInput && !this.composing) || - cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq) - return false; - - var text = input.value; - // If nothing changed, bail. - if (text == prevInput && !cm.somethingSelected()) return false; - // Work around nonsensical selection resetting in IE9/10, and - // inexplicable appearance of private area unicode characters on - // some key combos in Mac (#2689). - if (ie && ie_version >= 9 && this.hasSelection === text || - mac && /[\uf700-\uf7ff]/.test(text)) { - cm.display.input.reset(); - return false; - } - - if (cm.doc.sel == cm.display.selForContextMenu) { - var first = text.charCodeAt(0); - if (first == 0x200b && !prevInput) prevInput = "\u200b"; - if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo"); } - } - // Find the part of the input that is actually new - var same = 0, l = Math.min(prevInput.length, text.length); - while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) ++same; - - var self = this; - runInOp(cm, function() { - applyTextInput(cm, text.slice(same), prevInput.length - same, - null, self.composing ? "*compose" : null); - - // Don't leave long text in the textarea, since it makes further polling slow - if (text.length > 1000 || text.indexOf("\n") > -1) input.value = self.prevInput = ""; - else self.prevInput = text; - - if (self.composing) { - self.composing.range.clear(); - self.composing.range = cm.markText(self.composing.start, cm.getCursor("to"), - {className: "CodeMirror-composing"}); - } - }); - return true; - }, - - ensurePolled: function() { - if (this.pollingFast && this.poll()) this.pollingFast = false; - }, - - onKeyPress: function() { - if (ie && ie_version >= 9) this.hasSelection = null; - this.fastPoll(); - }, - - onContextMenu: function(e) { - var input = this, cm = input.cm, display = cm.display, te = input.textarea; - var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop; - if (!pos || presto) return; // Opera is difficult. - - // Reset the current text selection only if the click is done outside of the selection - // and 'resetSelectionOnContextMenu' option is true. - var reset = cm.options.resetSelectionOnContextMenu; - if (reset && cm.doc.sel.contains(pos) == -1) - operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); - - var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText; - input.wrapper.style.cssText = "position: absolute" - var wrapperBox = input.wrapper.getBoundingClientRect() - te.style.cssText = "position: absolute; width: 30px; height: 30px; top: " + (e.clientY - wrapperBox.top - 5) + - "px; left: " + (e.clientX - wrapperBox.left - 5) + "px; z-index: 1000; background: " + - (ie ? "rgba(255, 255, 255, .05)" : "transparent") + - "; outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; - if (webkit) var oldScrollY = window.scrollY; // Work around Chrome issue (#2712) - display.input.focus(); - if (webkit) window.scrollTo(null, oldScrollY); - display.input.reset(); - // Adds "Select all" to context menu in FF - if (!cm.somethingSelected()) te.value = input.prevInput = " "; - input.contextMenuPending = true; - display.selForContextMenu = cm.doc.sel; - clearTimeout(display.detectingSelectAll); - - // Select-all will be greyed out if there's nothing to select, so - // this adds a zero-width space so that we can later check whether - // it got selected. - function prepareSelectAllHack() { - if (te.selectionStart != null) { - var selected = cm.somethingSelected(); - var extval = "\u200b" + (selected ? te.value : ""); - te.value = "\u21da"; // Used to catch context-menu undo - te.value = extval; - input.prevInput = selected ? "" : "\u200b"; - te.selectionStart = 1; te.selectionEnd = extval.length; - // Re-set this, in case some other handler touched the - // selection in the meantime. - display.selForContextMenu = cm.doc.sel; - } - } - function rehide() { - input.contextMenuPending = false; - input.wrapper.style.cssText = oldWrapperCSS - te.style.cssText = oldCSS; - if (ie && ie_version < 9) display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); - - // Try to detect the user choosing select-all - if (te.selectionStart != null) { - if (!ie || (ie && ie_version < 9)) prepareSelectAllHack(); - var i = 0, poll = function() { - if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 && - te.selectionEnd > 0 && input.prevInput == "\u200b") - operation(cm, commands.selectAll)(cm); - else if (i++ < 10) display.detectingSelectAll = setTimeout(poll, 500); - else display.input.reset(); - }; - display.detectingSelectAll = setTimeout(poll, 200); - } - } - - if (ie && ie_version >= 9) prepareSelectAllHack(); - if (captureRightClick) { - e_stop(e); - var mouseup = function() { - off(window, "mouseup", mouseup); - setTimeout(rehide, 20); - }; - on(window, "mouseup", mouseup); - } else { - setTimeout(rehide, 50); - } - }, - - readOnlyChanged: function(val) { - if (!val) this.reset(); - }, - - setUneditable: nothing, - - needsContentAttribute: false - }, TextareaInput.prototype); - - // CONTENTEDITABLE INPUT STYLE - - function ContentEditableInput(cm) { - this.cm = cm; - this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null; - this.polling = new Delayed(); - this.gracePeriod = false; - } - - ContentEditableInput.prototype = copyObj({ - init: function(display) { - var input = this, cm = input.cm; - var div = input.div = display.lineDiv; - disableBrowserMagic(div); - - on(div, "paste", function(e) { - if (!signalDOMEvent(cm, e)) handlePaste(e, cm); - }) - - on(div, "compositionstart", function(e) { - var data = e.data; - input.composing = {sel: cm.doc.sel, data: data, startData: data}; - if (!data) return; - var prim = cm.doc.sel.primary(); - var line = cm.getLine(prim.head.line); - var found = line.indexOf(data, Math.max(0, prim.head.ch - data.length)); - if (found > -1 && found <= prim.head.ch) - input.composing.sel = simpleSelection(Pos(prim.head.line, found), - Pos(prim.head.line, found + data.length)); - }); - on(div, "compositionupdate", function(e) { - input.composing.data = e.data; - }); - on(div, "compositionend", function(e) { - var ours = input.composing; - if (!ours) return; - if (e.data != ours.startData && !/\u200b/.test(e.data)) - ours.data = e.data; - // Need a small delay to prevent other code (input event, - // selection polling) from doing damage when fired right after - // compositionend. - setTimeout(function() { - if (!ours.handled) - input.applyComposition(ours); - if (input.composing == ours) - input.composing = null; - }, 50); - }); - - on(div, "touchstart", function() { - input.forceCompositionEnd(); - }); - - on(div, "input", function() { - if (input.composing) return; - if (cm.isReadOnly() || !input.pollContent()) - runInOp(input.cm, function() {regChange(cm);}); - }); - - function onCopyCut(e) { - if (signalDOMEvent(cm, e)) return - if (cm.somethingSelected()) { - lastCopied = cm.getSelections(); - if (e.type == "cut") cm.replaceSelection("", null, "cut"); - } else if (!cm.options.lineWiseCopyCut) { - return; - } else { - var ranges = copyableRanges(cm); - lastCopied = ranges.text; - if (e.type == "cut") { - cm.operation(function() { - cm.setSelections(ranges.ranges, 0, sel_dontScroll); - cm.replaceSelection("", null, "cut"); - }); - } - } - // iOS exposes the clipboard API, but seems to discard content inserted into it - if (e.clipboardData && !ios) { - e.preventDefault(); - e.clipboardData.clearData(); - e.clipboardData.setData("text/plain", lastCopied.join("\n")); - } else { - // Old-fashioned briefly-focus-a-textarea hack - var kludge = hiddenTextarea(), te = kludge.firstChild; - cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild); - te.value = lastCopied.join("\n"); - var hadFocus = document.activeElement; - selectInput(te); - setTimeout(function() { - cm.display.lineSpace.removeChild(kludge); - hadFocus.focus(); - }, 50); - } - } - on(div, "copy", onCopyCut); - on(div, "cut", onCopyCut); - }, - - prepareSelection: function() { - var result = prepareSelection(this.cm, false); - result.focus = this.cm.state.focused; - return result; - }, - - showSelection: function(info) { - if (!info || !this.cm.display.view.length) return; - if (info.focus) this.showPrimarySelection(); - this.showMultipleSelections(info); - }, - - showPrimarySelection: function() { - var sel = window.getSelection(), prim = this.cm.doc.sel.primary(); - var curAnchor = domToPos(this.cm, sel.anchorNode, sel.anchorOffset); - var curFocus = domToPos(this.cm, sel.focusNode, sel.focusOffset); - if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad && - cmp(minPos(curAnchor, curFocus), prim.from()) == 0 && - cmp(maxPos(curAnchor, curFocus), prim.to()) == 0) - return; - - var start = posToDOM(this.cm, prim.from()); - var end = posToDOM(this.cm, prim.to()); - if (!start && !end) return; - - var view = this.cm.display.view; - var old = sel.rangeCount && sel.getRangeAt(0); - if (!start) { - start = {node: view[0].measure.map[2], offset: 0}; - } else if (!end) { // FIXME dangerously hacky - var measure = view[view.length - 1].measure; - var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map; - end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]}; - } - - try { var rng = range(start.node, start.offset, end.offset, end.node); } - catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible - if (rng) { - if (!gecko && this.cm.state.focused) { - sel.collapse(start.node, start.offset); - if (!rng.collapsed) sel.addRange(rng); - } else { - sel.removeAllRanges(); - sel.addRange(rng); - } - if (old && sel.anchorNode == null) sel.addRange(old); - else if (gecko) this.startGracePeriod(); - } - this.rememberSelection(); - }, - - startGracePeriod: function() { - var input = this; - clearTimeout(this.gracePeriod); - this.gracePeriod = setTimeout(function() { - input.gracePeriod = false; - if (input.selectionChanged()) - input.cm.operation(function() { input.cm.curOp.selectionChanged = true; }); - }, 20); - }, - - showMultipleSelections: function(info) { - removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors); - removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection); - }, - - rememberSelection: function() { - var sel = window.getSelection(); - this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset; - this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset; - }, - - selectionInEditor: function() { - var sel = window.getSelection(); - if (!sel.rangeCount) return false; - var node = sel.getRangeAt(0).commonAncestorContainer; - return contains(this.div, node); - }, - - focus: function() { - if (this.cm.options.readOnly != "nocursor") this.div.focus(); - }, - blur: function() { this.div.blur(); }, - getField: function() { return this.div; }, - - supportsTouch: function() { return true; }, - - receivedFocus: function() { - var input = this; - if (this.selectionInEditor()) - this.pollSelection(); - else - runInOp(this.cm, function() { input.cm.curOp.selectionChanged = true; }); - - function poll() { - if (input.cm.state.focused) { - input.pollSelection(); - input.polling.set(input.cm.options.pollInterval, poll); - } - } - this.polling.set(this.cm.options.pollInterval, poll); - }, - - selectionChanged: function() { - var sel = window.getSelection(); - return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset || - sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset; - }, - - pollSelection: function() { - if (!this.composing && !this.gracePeriod && this.selectionChanged()) { - var sel = window.getSelection(), cm = this.cm; - this.rememberSelection(); - var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); - var head = domToPos(cm, sel.focusNode, sel.focusOffset); - if (anchor && head) runInOp(cm, function() { - setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll); - if (anchor.bad || head.bad) cm.curOp.selectionChanged = true; - }); - } - }, - - pollContent: function() { - var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary(); - var from = sel.from(), to = sel.to(); - if (from.line < display.viewFrom || to.line > display.viewTo - 1) return false; - - var fromIndex; - if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) { - var fromLine = lineNo(display.view[0].line); - var fromNode = display.view[0].node; - } else { - var fromLine = lineNo(display.view[fromIndex].line); - var fromNode = display.view[fromIndex - 1].node.nextSibling; - } - var toIndex = findViewIndex(cm, to.line); - if (toIndex == display.view.length - 1) { - var toLine = display.viewTo - 1; - var toNode = display.lineDiv.lastChild; - } else { - var toLine = lineNo(display.view[toIndex + 1].line) - 1; - var toNode = display.view[toIndex + 1].node.previousSibling; - } - - var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine)); - var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length)); - while (newText.length > 1 && oldText.length > 1) { - if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; } - else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; } - else break; - } - - var cutFront = 0, cutEnd = 0; - var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length); - while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront)) - ++cutFront; - var newBot = lst(newText), oldBot = lst(oldText); - var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0), - oldBot.length - (oldText.length == 1 ? cutFront : 0)); - while (cutEnd < maxCutEnd && - newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) - ++cutEnd; - - newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd); - newText[0] = newText[0].slice(cutFront); - - var chFrom = Pos(fromLine, cutFront); - var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0); - if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) { - replaceRange(cm.doc, newText, chFrom, chTo, "+input"); - return true; - } - }, - - ensurePolled: function() { - this.forceCompositionEnd(); - }, - reset: function() { - this.forceCompositionEnd(); - }, - forceCompositionEnd: function() { - if (!this.composing || this.composing.handled) return; - this.applyComposition(this.composing); - this.composing.handled = true; - this.div.blur(); - this.div.focus(); - }, - applyComposition: function(composing) { - if (this.cm.isReadOnly()) - operation(this.cm, regChange)(this.cm) - else if (composing.data && composing.data != composing.startData) - operation(this.cm, applyTextInput)(this.cm, composing.data, 0, composing.sel); - }, - - setUneditable: function(node) { - node.contentEditable = "false" - }, - - onKeyPress: function(e) { - e.preventDefault(); - if (!this.cm.isReadOnly()) - operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); - }, - - readOnlyChanged: function(val) { - this.div.contentEditable = String(val != "nocursor") - }, - - onContextMenu: nothing, - resetPosition: nothing, - - needsContentAttribute: true - }, ContentEditableInput.prototype); - - function posToDOM(cm, pos) { - var view = findViewForLine(cm, pos.line); - if (!view || view.hidden) return null; - var line = getLine(cm.doc, pos.line); - var info = mapFromLineView(view, line, pos.line); - - var order = getOrder(line), side = "left"; - if (order) { - var partPos = getBidiPartAt(order, pos.ch); - side = partPos % 2 ? "right" : "left"; - } - var result = nodeAndOffsetInLineMap(info.map, pos.ch, side); - result.offset = result.collapse == "right" ? result.end : result.start; - return result; - } - - function badPos(pos, bad) { if (bad) pos.bad = true; return pos; } - - function domToPos(cm, node, offset) { - var lineNode; - if (node == cm.display.lineDiv) { - lineNode = cm.display.lineDiv.childNodes[offset]; - if (!lineNode) return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true); - node = null; offset = 0; - } else { - for (lineNode = node;; lineNode = lineNode.parentNode) { - if (!lineNode || lineNode == cm.display.lineDiv) return null; - if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) break; - } - } - for (var i = 0; i < cm.display.view.length; i++) { - var lineView = cm.display.view[i]; - if (lineView.node == lineNode) - return locateNodeInLineView(lineView, node, offset); - } - } - - function locateNodeInLineView(lineView, node, offset) { - var wrapper = lineView.text.firstChild, bad = false; - if (!node || !contains(wrapper, node)) return badPos(Pos(lineNo(lineView.line), 0), true); - if (node == wrapper) { - bad = true; - node = wrapper.childNodes[offset]; - offset = 0; - if (!node) { - var line = lineView.rest ? lst(lineView.rest) : lineView.line; - return badPos(Pos(lineNo(line), line.text.length), bad); - } - } - - var textNode = node.nodeType == 3 ? node : null, topNode = node; - if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) { - textNode = node.firstChild; - if (offset) offset = textNode.nodeValue.length; - } - while (topNode.parentNode != wrapper) topNode = topNode.parentNode; - var measure = lineView.measure, maps = measure.maps; - - function find(textNode, topNode, offset) { - for (var i = -1; i < (maps ? maps.length : 0); i++) { - var map = i < 0 ? measure.map : maps[i]; - for (var j = 0; j < map.length; j += 3) { - var curNode = map[j + 2]; - if (curNode == textNode || curNode == topNode) { - var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]); - var ch = map[j] + offset; - if (offset < 0 || curNode != textNode) ch = map[j + (offset ? 1 : 0)]; - return Pos(line, ch); - } - } - } - } - var found = find(textNode, topNode, offset); - if (found) return badPos(found, bad); - - // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems - for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) { - found = find(after, after.firstChild, 0); - if (found) - return badPos(Pos(found.line, found.ch - dist), bad); - else - dist += after.textContent.length; - } - for (var before = topNode.previousSibling, dist = offset; before; before = before.previousSibling) { - found = find(before, before.firstChild, -1); - if (found) - return badPos(Pos(found.line, found.ch + dist), bad); - else - dist += after.textContent.length; - } - } - - function domTextBetween(cm, from, to, fromLine, toLine) { - var text = "", closing = false, lineSep = cm.doc.lineSeparator(); - function recognizeMarker(id) { return function(marker) { return marker.id == id; }; } - function walk(node) { - if (node.nodeType == 1) { - var cmText = node.getAttribute("cm-text"); - if (cmText != null) { - if (cmText == "") cmText = node.textContent.replace(/\u200b/g, ""); - text += cmText; - return; - } - var markerID = node.getAttribute("cm-marker"), range; - if (markerID) { - var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID)); - if (found.length && (range = found[0].find())) - text += getBetween(cm.doc, range.from, range.to).join(lineSep); - return; - } - if (node.getAttribute("contenteditable") == "false") return; - for (var i = 0; i < node.childNodes.length; i++) - walk(node.childNodes[i]); - if (/^(pre|div|p)$/i.test(node.nodeName)) - closing = true; - } else if (node.nodeType == 3) { - var val = node.nodeValue; - if (!val) return; - if (closing) { - text += lineSep; - closing = false; - } - text += val; - } - } - for (;;) { - walk(from); - if (from == to) break; - from = from.nextSibling; - } - return text; - } - - CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput}; - - // SELECTION / CURSOR - - // Selection objects are immutable. A new one is created every time - // the selection changes. A selection is one or more non-overlapping - // (and non-touching) ranges, sorted, and an integer that indicates - // which one is the primary selection (the one that's scrolled into - // view, that getCursor returns, etc). - function Selection(ranges, primIndex) { - this.ranges = ranges; - this.primIndex = primIndex; - } - - Selection.prototype = { - primary: function() { return this.ranges[this.primIndex]; }, - equals: function(other) { - if (other == this) return true; - if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) return false; - for (var i = 0; i < this.ranges.length; i++) { - var here = this.ranges[i], there = other.ranges[i]; - if (cmp(here.anchor, there.anchor) != 0 || cmp(here.head, there.head) != 0) return false; - } - return true; - }, - deepCopy: function() { - for (var out = [], i = 0; i < this.ranges.length; i++) - out[i] = new Range(copyPos(this.ranges[i].anchor), copyPos(this.ranges[i].head)); - return new Selection(out, this.primIndex); - }, - somethingSelected: function() { - for (var i = 0; i < this.ranges.length; i++) - if (!this.ranges[i].empty()) return true; - return false; - }, - contains: function(pos, end) { - if (!end) end = pos; - for (var i = 0; i < this.ranges.length; i++) { - var range = this.ranges[i]; - if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0) - return i; - } - return -1; - } - }; - - function Range(anchor, head) { - this.anchor = anchor; this.head = head; - } - - Range.prototype = { - from: function() { return minPos(this.anchor, this.head); }, - to: function() { return maxPos(this.anchor, this.head); }, - empty: function() { - return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch; - } - }; - - // Take an unsorted, potentially overlapping set of ranges, and - // build a selection out of it. 'Consumes' ranges array (modifying - // it). - function normalizeSelection(ranges, primIndex) { - var prim = ranges[primIndex]; - ranges.sort(function(a, b) { return cmp(a.from(), b.from()); }); - primIndex = indexOf(ranges, prim); - for (var i = 1; i < ranges.length; i++) { - var cur = ranges[i], prev = ranges[i - 1]; - if (cmp(prev.to(), cur.from()) >= 0) { - var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to()); - var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head; - if (i <= primIndex) --primIndex; - ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to)); - } - } - return new Selection(ranges, primIndex); - } - - function simpleSelection(anchor, head) { - return new Selection([new Range(anchor, head || anchor)], 0); - } - - // Most of the external API clips given positions to make sure they - // actually exist within the document. - function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1));} - function clipPos(doc, pos) { - if (pos.line < doc.first) return Pos(doc.first, 0); - var last = doc.first + doc.size - 1; - if (pos.line > last) return Pos(last, getLine(doc, last).text.length); - return clipToLen(pos, getLine(doc, pos.line).text.length); - } - function clipToLen(pos, linelen) { - var ch = pos.ch; - if (ch == null || ch > linelen) return Pos(pos.line, linelen); - else if (ch < 0) return Pos(pos.line, 0); - else return pos; - } - function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size;} - function clipPosArray(doc, array) { - for (var out = [], i = 0; i < array.length; i++) out[i] = clipPos(doc, array[i]); - return out; - } - - // SELECTION UPDATES - - // The 'scroll' parameter given to many of these indicated whether - // the new cursor position should be scrolled into view after - // modifying the selection. - - // If shift is held or the extend flag is set, extends a range to - // include a given position (and optionally a second position). - // Otherwise, simply returns the range between the given positions. - // Used for cursor motion and such. - function extendRange(doc, range, head, other) { - if (doc.cm && doc.cm.display.shift || doc.extend) { - var anchor = range.anchor; - if (other) { - var posBefore = cmp(head, anchor) < 0; - if (posBefore != (cmp(other, anchor) < 0)) { - anchor = head; - head = other; - } else if (posBefore != (cmp(head, other) < 0)) { - head = other; - } - } - return new Range(anchor, head); - } else { - return new Range(other || head, head); - } - } - - // Extend the primary selection range, discard the rest. - function extendSelection(doc, head, other, options) { - setSelection(doc, new Selection([extendRange(doc, doc.sel.primary(), head, other)], 0), options); - } - - // Extend all selections (pos is an array of selections with length - // equal the number of selections) - function extendSelections(doc, heads, options) { - for (var out = [], i = 0; i < doc.sel.ranges.length; i++) - out[i] = extendRange(doc, doc.sel.ranges[i], heads[i], null); - var newSel = normalizeSelection(out, doc.sel.primIndex); - setSelection(doc, newSel, options); - } - - // Updates a single range in the selection. - function replaceOneSelection(doc, i, range, options) { - var ranges = doc.sel.ranges.slice(0); - ranges[i] = range; - setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options); - } - - // Reset the selection to a single range. - function setSimpleSelection(doc, anchor, head, options) { - setSelection(doc, simpleSelection(anchor, head), options); - } - - // Give beforeSelectionChange handlers a change to influence a - // selection update. - function filterSelectionChange(doc, sel, options) { - var obj = { - ranges: sel.ranges, - update: function(ranges) { - this.ranges = []; - for (var i = 0; i < ranges.length; i++) - this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor), - clipPos(doc, ranges[i].head)); - }, - origin: options && options.origin - }; - signal(doc, "beforeSelectionChange", doc, obj); - if (doc.cm) signal(doc.cm, "beforeSelectionChange", doc.cm, obj); - if (obj.ranges != sel.ranges) return normalizeSelection(obj.ranges, obj.ranges.length - 1); - else return sel; - } - - function setSelectionReplaceHistory(doc, sel, options) { - var done = doc.history.done, last = lst(done); - if (last && last.ranges) { - done[done.length - 1] = sel; - setSelectionNoUndo(doc, sel, options); - } else { - setSelection(doc, sel, options); - } - } - - // Set a new selection. - function setSelection(doc, sel, options) { - setSelectionNoUndo(doc, sel, options); - addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options); - } - - function setSelectionNoUndo(doc, sel, options) { - if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange")) - sel = filterSelectionChange(doc, sel, options); - - var bias = options && options.bias || - (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1); - setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true)); - - if (!(options && options.scroll === false) && doc.cm) - ensureCursorVisible(doc.cm); - } - - function setSelectionInner(doc, sel) { - if (sel.equals(doc.sel)) return; - - doc.sel = sel; - - if (doc.cm) { - doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true; - signalCursorActivity(doc.cm); - } - signalLater(doc, "cursorActivity", doc); - } - - // Verify that the selection does not partially select any atomic - // marked ranges. - function reCheckSelection(doc) { - setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false), sel_dontScroll); - } - - // Return a selection that does not partially select any atomic - // ranges. - function skipAtomicInSelection(doc, sel, bias, mayClear) { - var out; - for (var i = 0; i < sel.ranges.length; i++) { - var range = sel.ranges[i]; - var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i]; - var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear); - var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear); - if (out || newAnchor != range.anchor || newHead != range.head) { - if (!out) out = sel.ranges.slice(0, i); - out[i] = new Range(newAnchor, newHead); - } - } - return out ? normalizeSelection(out, sel.primIndex) : sel; - } - - function skipAtomicInner(doc, pos, oldPos, dir, mayClear) { - var line = getLine(doc, pos.line); - if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) { - var sp = line.markedSpans[i], m = sp.marker; - if ((sp.from == null || (m.inclusiveLeft ? sp.from <= pos.ch : sp.from < pos.ch)) && - (sp.to == null || (m.inclusiveRight ? sp.to >= pos.ch : sp.to > pos.ch))) { - if (mayClear) { - signal(m, "beforeCursorEnter"); - if (m.explicitlyCleared) { - if (!line.markedSpans) break; - else {--i; continue;} - } - } - if (!m.atomic) continue; - - if (oldPos) { - var near = m.find(dir < 0 ? 1 : -1), diff; - if (dir < 0 ? m.inclusiveRight : m.inclusiveLeft) near = movePos(doc, near, -dir, line); - if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0)) - return skipAtomicInner(doc, near, pos, dir, mayClear); - } - - var far = m.find(dir < 0 ? -1 : 1); - if (dir < 0 ? m.inclusiveLeft : m.inclusiveRight) far = movePos(doc, far, dir, line); - return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null; - } - } - return pos; - } - - // Ensure a given position is not inside an atomic range. - function skipAtomic(doc, pos, oldPos, bias, mayClear) { - var dir = bias || 1; - var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) || - (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) || - skipAtomicInner(doc, pos, oldPos, -dir, mayClear) || - (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true)); - if (!found) { - doc.cantEdit = true; - return Pos(doc.first, 0); - } - return found; - } - - function movePos(doc, pos, dir, line) { - if (dir < 0 && pos.ch == 0) { - if (pos.line > doc.first) return clipPos(doc, Pos(pos.line - 1)); - else return null; - } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) { - if (pos.line < doc.first + doc.size - 1) return Pos(pos.line + 1, 0); - else return null; - } else { - return new Pos(pos.line, pos.ch + dir); - } - } - - // SELECTION DRAWING - - function updateSelection(cm) { - cm.display.input.showSelection(cm.display.input.prepareSelection()); - } - - function prepareSelection(cm, primary) { - var doc = cm.doc, result = {}; - var curFragment = result.cursors = document.createDocumentFragment(); - var selFragment = result.selection = document.createDocumentFragment(); - - for (var i = 0; i < doc.sel.ranges.length; i++) { - if (primary === false && i == doc.sel.primIndex) continue; - var range = doc.sel.ranges[i]; - var collapsed = range.empty(); - if (collapsed || cm.options.showCursorWhenSelecting) - drawSelectionCursor(cm, range.head, curFragment); - if (!collapsed) - drawSelectionRange(cm, range, selFragment); - } - return result; - } - - // Draws a cursor for the given range - function drawSelectionCursor(cm, head, output) { - var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine); - - var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor")); - cursor.style.left = pos.left + "px"; - cursor.style.top = pos.top + "px"; - cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px"; - - if (pos.other) { - // Secondary cursor, shown when on a 'jump' in bi-directional text - var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor")); - otherCursor.style.display = ""; - otherCursor.style.left = pos.other.left + "px"; - otherCursor.style.top = pos.other.top + "px"; - otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px"; - } - } - - // Draws the given range as a highlighted selection - function drawSelectionRange(cm, range, output) { - var display = cm.display, doc = cm.doc; - var fragment = document.createDocumentFragment(); - var padding = paddingH(cm.display), leftSide = padding.left; - var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right; - - function add(left, top, width, bottom) { - if (top < 0) top = 0; - top = Math.round(top); - bottom = Math.round(bottom); - fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left + - "px; top: " + top + "px; width: " + (width == null ? rightSide - left : width) + - "px; height: " + (bottom - top) + "px")); - } - - function drawForLine(line, fromArg, toArg) { - var lineObj = getLine(doc, line); - var lineLen = lineObj.text.length; - var start, end; - function coords(ch, bias) { - return charCoords(cm, Pos(line, ch), "div", lineObj, bias); - } - - iterateBidiSections(getOrder(lineObj), fromArg || 0, toArg == null ? lineLen : toArg, function(from, to, dir) { - var leftPos = coords(from, "left"), rightPos, left, right; - if (from == to) { - rightPos = leftPos; - left = right = leftPos.left; - } else { - rightPos = coords(to - 1, "right"); - if (dir == "rtl") { var tmp = leftPos; leftPos = rightPos; rightPos = tmp; } - left = leftPos.left; - right = rightPos.right; - } - if (fromArg == null && from == 0) left = leftSide; - if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part - add(left, leftPos.top, null, leftPos.bottom); - left = leftSide; - if (leftPos.bottom < rightPos.top) add(left, leftPos.bottom, null, rightPos.top); - } - if (toArg == null && to == lineLen) right = rightSide; - if (!start || leftPos.top < start.top || leftPos.top == start.top && leftPos.left < start.left) - start = leftPos; - if (!end || rightPos.bottom > end.bottom || rightPos.bottom == end.bottom && rightPos.right > end.right) - end = rightPos; - if (left < leftSide + 1) left = leftSide; - add(left, rightPos.top, right - left, rightPos.bottom); - }); - return {start: start, end: end}; - } - - var sFrom = range.from(), sTo = range.to(); - if (sFrom.line == sTo.line) { - drawForLine(sFrom.line, sFrom.ch, sTo.ch); - } else { - var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line); - var singleVLine = visualLine(fromLine) == visualLine(toLine); - var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end; - var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start; - if (singleVLine) { - if (leftEnd.top < rightStart.top - 2) { - add(leftEnd.right, leftEnd.top, null, leftEnd.bottom); - add(leftSide, rightStart.top, rightStart.left, rightStart.bottom); - } else { - add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom); - } - } - if (leftEnd.bottom < rightStart.top) - add(leftSide, leftEnd.bottom, null, rightStart.top); - } - - output.appendChild(fragment); - } - - // Cursor-blinking - function restartBlink(cm) { - if (!cm.state.focused) return; - var display = cm.display; - clearInterval(display.blinker); - var on = true; - display.cursorDiv.style.visibility = ""; - if (cm.options.cursorBlinkRate > 0) - display.blinker = setInterval(function() { - display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; - }, cm.options.cursorBlinkRate); - else if (cm.options.cursorBlinkRate < 0) - display.cursorDiv.style.visibility = "hidden"; - } - - // HIGHLIGHT WORKER - - function startWorker(cm, time) { - if (cm.doc.mode.startState && cm.doc.frontier < cm.display.viewTo) - cm.state.highlight.set(time, bind(highlightWorker, cm)); - } - - function highlightWorker(cm) { - var doc = cm.doc; - if (doc.frontier < doc.first) doc.frontier = doc.first; - if (doc.frontier >= cm.display.viewTo) return; - var end = +new Date + cm.options.workTime; - var state = copyState(doc.mode, getStateBefore(cm, doc.frontier)); - var changedLines = []; - - doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function(line) { - if (doc.frontier >= cm.display.viewFrom) { // Visible - var oldStyles = line.styles, tooLong = line.text.length > cm.options.maxHighlightLength; - var highlighted = highlightLine(cm, line, tooLong ? copyState(doc.mode, state) : state, true); - line.styles = highlighted.styles; - var oldCls = line.styleClasses, newCls = highlighted.classes; - if (newCls) line.styleClasses = newCls; - else if (oldCls) line.styleClasses = null; - var ischange = !oldStyles || oldStyles.length != line.styles.length || - oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass); - for (var i = 0; !ischange && i < oldStyles.length; ++i) ischange = oldStyles[i] != line.styles[i]; - if (ischange) changedLines.push(doc.frontier); - line.stateAfter = tooLong ? state : copyState(doc.mode, state); - } else { - if (line.text.length <= cm.options.maxHighlightLength) - processLine(cm, line.text, state); - line.stateAfter = doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null; - } - ++doc.frontier; - if (+new Date > end) { - startWorker(cm, cm.options.workDelay); - return true; - } - }); - if (changedLines.length) runInOp(cm, function() { - for (var i = 0; i < changedLines.length; i++) - regLineChange(cm, changedLines[i], "text"); - }); - } - - // Finds the line to start with when starting a parse. Tries to - // find a line with a stateAfter, so that it can start with a - // valid state. If that fails, it returns the line with the - // smallest indentation, which tends to need the least context to - // parse correctly. - function findStartLine(cm, n, precise) { - var minindent, minline, doc = cm.doc; - var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100); - for (var search = n; search > lim; --search) { - if (search <= doc.first) return doc.first; - var line = getLine(doc, search - 1); - if (line.stateAfter && (!precise || search <= doc.frontier)) return search; - var indented = countColumn(line.text, null, cm.options.tabSize); - if (minline == null || minindent > indented) { - minline = search - 1; - minindent = indented; - } - } - return minline; - } - - function getStateBefore(cm, n, precise) { - var doc = cm.doc, display = cm.display; - if (!doc.mode.startState) return true; - var pos = findStartLine(cm, n, precise), state = pos > doc.first && getLine(doc, pos-1).stateAfter; - if (!state) state = startState(doc.mode); - else state = copyState(doc.mode, state); - doc.iter(pos, n, function(line) { - processLine(cm, line.text, state); - var save = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo; - line.stateAfter = save ? copyState(doc.mode, state) : null; - ++pos; - }); - if (precise) doc.frontier = pos; - return state; - } - - // POSITION MEASUREMENT - - function paddingTop(display) {return display.lineSpace.offsetTop;} - function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight;} - function paddingH(display) { - if (display.cachedPaddingH) return display.cachedPaddingH; - var e = removeChildrenAndAdd(display.measure, elt("pre", "x")); - var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle; - var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)}; - if (!isNaN(data.left) && !isNaN(data.right)) display.cachedPaddingH = data; - return data; - } - - function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth; } - function displayWidth(cm) { - return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth; - } - function displayHeight(cm) { - return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight; - } - - // Ensure the lineView.wrapping.heights array is populated. This is - // an array of bottom offsets for the lines that make up a drawn - // line. When lineWrapping is on, there might be more than one - // height. - function ensureLineHeights(cm, lineView, rect) { - var wrapping = cm.options.lineWrapping; - var curWidth = wrapping && displayWidth(cm); - if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) { - var heights = lineView.measure.heights = []; - if (wrapping) { - lineView.measure.width = curWidth; - var rects = lineView.text.firstChild.getClientRects(); - for (var i = 0; i < rects.length - 1; i++) { - var cur = rects[i], next = rects[i + 1]; - if (Math.abs(cur.bottom - next.bottom) > 2) - heights.push((cur.bottom + next.top) / 2 - rect.top); - } - } - heights.push(rect.bottom - rect.top); - } - } - - // Find a line map (mapping character offsets to text nodes) and a - // measurement cache for the given line number. (A line view might - // contain multiple lines when collapsed ranges are present.) - function mapFromLineView(lineView, line, lineN) { - if (lineView.line == line) - return {map: lineView.measure.map, cache: lineView.measure.cache}; - for (var i = 0; i < lineView.rest.length; i++) - if (lineView.rest[i] == line) - return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]}; - for (var i = 0; i < lineView.rest.length; i++) - if (lineNo(lineView.rest[i]) > lineN) - return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i], before: true}; - } - - // Render a line into the hidden node display.externalMeasured. Used - // when measurement is needed for a line that's not in the viewport. - function updateExternalMeasurement(cm, line) { - line = visualLine(line); - var lineN = lineNo(line); - var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN); - view.lineN = lineN; - var built = view.built = buildLineContent(cm, view); - view.text = built.pre; - removeChildrenAndAdd(cm.display.lineMeasure, built.pre); - return view; - } - - // Get a {top, bottom, left, right} box (in line-local coordinates) - // for a given character. - function measureChar(cm, line, ch, bias) { - return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias); - } - - // Find a line view that corresponds to the given line number. - function findViewForLine(cm, lineN) { - if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo) - return cm.display.view[findViewIndex(cm, lineN)]; - var ext = cm.display.externalMeasured; - if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size) - return ext; - } - - // Measurement can be split in two steps, the set-up work that - // applies to the whole line, and the measurement of the actual - // character. Functions like coordsChar, that need to do a lot of - // measurements in a row, can thus ensure that the set-up work is - // only done once. - function prepareMeasureForLine(cm, line) { - var lineN = lineNo(line); - var view = findViewForLine(cm, lineN); - if (view && !view.text) { - view = null; - } else if (view && view.changes) { - updateLineForChanges(cm, view, lineN, getDimensions(cm)); - cm.curOp.forceUpdate = true; - } - if (!view) - view = updateExternalMeasurement(cm, line); - - var info = mapFromLineView(view, line, lineN); - return { - line: line, view: view, rect: null, - map: info.map, cache: info.cache, before: info.before, - hasHeights: false - }; - } - - // Given a prepared measurement object, measures the position of an - // actual character (or fetches it from the cache). - function measureCharPrepared(cm, prepared, ch, bias, varHeight) { - if (prepared.before) ch = -1; - var key = ch + (bias || ""), found; - if (prepared.cache.hasOwnProperty(key)) { - found = prepared.cache[key]; - } else { - if (!prepared.rect) - prepared.rect = prepared.view.text.getBoundingClientRect(); - if (!prepared.hasHeights) { - ensureLineHeights(cm, prepared.view, prepared.rect); - prepared.hasHeights = true; - } - found = measureCharInner(cm, prepared, ch, bias); - if (!found.bogus) prepared.cache[key] = found; - } - return {left: found.left, right: found.right, - top: varHeight ? found.rtop : found.top, - bottom: varHeight ? found.rbottom : found.bottom}; - } - - var nullRect = {left: 0, right: 0, top: 0, bottom: 0}; - - function nodeAndOffsetInLineMap(map, ch, bias) { - var node, start, end, collapse; - // First, search the line map for the text node corresponding to, - // or closest to, the target character. - for (var i = 0; i < map.length; i += 3) { - var mStart = map[i], mEnd = map[i + 1]; - if (ch < mStart) { - start = 0; end = 1; - collapse = "left"; - } else if (ch < mEnd) { - start = ch - mStart; - end = start + 1; - } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) { - end = mEnd - mStart; - start = end - 1; - if (ch >= mEnd) collapse = "right"; - } - if (start != null) { - node = map[i + 2]; - if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right")) - collapse = bias; - if (bias == "left" && start == 0) - while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) { - node = map[(i -= 3) + 2]; - collapse = "left"; - } - if (bias == "right" && start == mEnd - mStart) - while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) { - node = map[(i += 3) + 2]; - collapse = "right"; - } - break; - } - } - return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd}; - } - - function measureCharInner(cm, prepared, ch, bias) { - var place = nodeAndOffsetInLineMap(prepared.map, ch, bias); - var node = place.node, start = place.start, end = place.end, collapse = place.collapse; - - var rect; - if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates. - for (var i = 0; i < 4; i++) { // Retry a maximum of 4 times when nonsense rectangles are returned - while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) --start; - while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) ++end; - if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart) { - rect = node.parentNode.getBoundingClientRect(); - } else if (ie && cm.options.lineWrapping) { - var rects = range(node, start, end).getClientRects(); - if (rects.length) - rect = rects[bias == "right" ? rects.length - 1 : 0]; - else - rect = nullRect; - } else { - rect = range(node, start, end).getBoundingClientRect() || nullRect; - } - if (rect.left || rect.right || start == 0) break; - end = start; - start = start - 1; - collapse = "right"; - } - if (ie && ie_version < 11) rect = maybeUpdateRectForZooming(cm.display.measure, rect); - } else { // If it is a widget, simply get the box for the whole widget. - if (start > 0) collapse = bias = "right"; - var rects; - if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1) - rect = rects[bias == "right" ? rects.length - 1 : 0]; - else - rect = node.getBoundingClientRect(); - } - if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) { - var rSpan = node.parentNode.getClientRects()[0]; - if (rSpan) - rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; - else - rect = nullRect; - } - - var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top; - var mid = (rtop + rbot) / 2; - var heights = prepared.view.measure.heights; - for (var i = 0; i < heights.length - 1; i++) - if (mid < heights[i]) break; - var top = i ? heights[i - 1] : 0, bot = heights[i]; - var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left, - right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left, - top: top, bottom: bot}; - if (!rect.left && !rect.right) result.bogus = true; - if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; } - - return result; - } - - // Work around problem with bounding client rects on ranges being - // returned incorrectly when zoomed on IE10 and below. - function maybeUpdateRectForZooming(measure, rect) { - if (!window.screen || screen.logicalXDPI == null || - screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure)) - return rect; - var scaleX = screen.logicalXDPI / screen.deviceXDPI; - var scaleY = screen.logicalYDPI / screen.deviceYDPI; - return {left: rect.left * scaleX, right: rect.right * scaleX, - top: rect.top * scaleY, bottom: rect.bottom * scaleY}; - } - - function clearLineMeasurementCacheFor(lineView) { - if (lineView.measure) { - lineView.measure.cache = {}; - lineView.measure.heights = null; - if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++) - lineView.measure.caches[i] = {}; - } - } - - function clearLineMeasurementCache(cm) { - cm.display.externalMeasure = null; - removeChildren(cm.display.lineMeasure); - for (var i = 0; i < cm.display.view.length; i++) - clearLineMeasurementCacheFor(cm.display.view[i]); - } - - function clearCaches(cm) { - clearLineMeasurementCache(cm); - cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null; - if (!cm.options.lineWrapping) cm.display.maxLineChanged = true; - cm.display.lineNumChars = null; - } - - function pageScrollX() { return window.pageXOffset || (document.documentElement || document.body).scrollLeft; } - function pageScrollY() { return window.pageYOffset || (document.documentElement || document.body).scrollTop; } - - // Converts a {top, bottom, left, right} box from line-local - // coordinates into another coordinate system. Context may be one of - // "line", "div" (display.lineDiv), "local"/null (editor), "window", - // or "page". - function intoCoordSystem(cm, lineObj, rect, context) { - if (lineObj.widgets) for (var i = 0; i < lineObj.widgets.length; ++i) if (lineObj.widgets[i].above) { - var size = widgetHeight(lineObj.widgets[i]); - rect.top += size; rect.bottom += size; - } - if (context == "line") return rect; - if (!context) context = "local"; - var yOff = heightAtLine(lineObj); - if (context == "local") yOff += paddingTop(cm.display); - else yOff -= cm.display.viewOffset; - if (context == "page" || context == "window") { - var lOff = cm.display.lineSpace.getBoundingClientRect(); - yOff += lOff.top + (context == "window" ? 0 : pageScrollY()); - var xOff = lOff.left + (context == "window" ? 0 : pageScrollX()); - rect.left += xOff; rect.right += xOff; - } - rect.top += yOff; rect.bottom += yOff; - return rect; - } - - // Coverts a box from "div" coords to another coordinate system. - // Context may be "window", "page", "div", or "local"/null. - function fromCoordSystem(cm, coords, context) { - if (context == "div") return coords; - var left = coords.left, top = coords.top; - // First move into "page" coordinate system - if (context == "page") { - left -= pageScrollX(); - top -= pageScrollY(); - } else if (context == "local" || !context) { - var localBox = cm.display.sizer.getBoundingClientRect(); - left += localBox.left; - top += localBox.top; - } - - var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect(); - return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top}; - } - - function charCoords(cm, pos, context, lineObj, bias) { - if (!lineObj) lineObj = getLine(cm.doc, pos.line); - return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context); - } - - // Returns a box for a given cursor position, which may have an - // 'other' property containing the position of the secondary cursor - // on a bidi boundary. - function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) { - lineObj = lineObj || getLine(cm.doc, pos.line); - if (!preparedMeasure) preparedMeasure = prepareMeasureForLine(cm, lineObj); - function get(ch, right) { - var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight); - if (right) m.left = m.right; else m.right = m.left; - return intoCoordSystem(cm, lineObj, m, context); - } - function getBidi(ch, partPos) { - var part = order[partPos], right = part.level % 2; - if (ch == bidiLeft(part) && partPos && part.level < order[partPos - 1].level) { - part = order[--partPos]; - ch = bidiRight(part) - (part.level % 2 ? 0 : 1); - right = true; - } else if (ch == bidiRight(part) && partPos < order.length - 1 && part.level < order[partPos + 1].level) { - part = order[++partPos]; - ch = bidiLeft(part) - part.level % 2; - right = false; - } - if (right && ch == part.to && ch > part.from) return get(ch - 1); - return get(ch, right); - } - var order = getOrder(lineObj), ch = pos.ch; - if (!order) return get(ch); - var partPos = getBidiPartAt(order, ch); - var val = getBidi(ch, partPos); - if (bidiOther != null) val.other = getBidi(ch, bidiOther); - return val; - } - - // Used to cheaply estimate the coordinates for a position. Used for - // intermediate scroll updates. - function estimateCoords(cm, pos) { - var left = 0, pos = clipPos(cm.doc, pos); - if (!cm.options.lineWrapping) left = charWidth(cm.display) * pos.ch; - var lineObj = getLine(cm.doc, pos.line); - var top = heightAtLine(lineObj) + paddingTop(cm.display); - return {left: left, right: left, top: top, bottom: top + lineObj.height}; - } - - // Positions returned by coordsChar contain some extra information. - // xRel is the relative x position of the input coordinates compared - // to the found position (so xRel > 0 means the coordinates are to - // the right of the character position, for example). When outside - // is true, that means the coordinates lie outside the line's - // vertical range. - function PosWithInfo(line, ch, outside, xRel) { - var pos = Pos(line, ch); - pos.xRel = xRel; - if (outside) pos.outside = true; - return pos; - } - - // Compute the character position closest to the given coordinates. - // Input must be lineSpace-local ("div" coordinate system). - function coordsChar(cm, x, y) { - var doc = cm.doc; - y += cm.display.viewOffset; - if (y < 0) return PosWithInfo(doc.first, 0, true, -1); - var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1; - if (lineN > last) - return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, true, 1); - if (x < 0) x = 0; - - var lineObj = getLine(doc, lineN); - for (;;) { - var found = coordsCharInner(cm, lineObj, lineN, x, y); - var merged = collapsedSpanAtEnd(lineObj); - var mergedPos = merged && merged.find(0, true); - if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0)) - lineN = lineNo(lineObj = mergedPos.to.line); - else - return found; - } - } - - function coordsCharInner(cm, lineObj, lineNo, x, y) { - var innerOff = y - heightAtLine(lineObj); - var wrongLine = false, adjust = 2 * cm.display.wrapper.clientWidth; - var preparedMeasure = prepareMeasureForLine(cm, lineObj); - - function getX(ch) { - var sp = cursorCoords(cm, Pos(lineNo, ch), "line", lineObj, preparedMeasure); - wrongLine = true; - if (innerOff > sp.bottom) return sp.left - adjust; - else if (innerOff < sp.top) return sp.left + adjust; - else wrongLine = false; - return sp.left; - } - - var bidi = getOrder(lineObj), dist = lineObj.text.length; - var from = lineLeft(lineObj), to = lineRight(lineObj); - var fromX = getX(from), fromOutside = wrongLine, toX = getX(to), toOutside = wrongLine; - - if (x > toX) return PosWithInfo(lineNo, to, toOutside, 1); - // Do a binary search between these bounds. - for (;;) { - if (bidi ? to == from || to == moveVisually(lineObj, from, 1) : to - from <= 1) { - var ch = x < fromX || x - fromX <= toX - x ? from : to; - var xDiff = x - (ch == from ? fromX : toX); - while (isExtendingChar(lineObj.text.charAt(ch))) ++ch; - var pos = PosWithInfo(lineNo, ch, ch == from ? fromOutside : toOutside, - xDiff < -1 ? -1 : xDiff > 1 ? 1 : 0); - return pos; - } - var step = Math.ceil(dist / 2), middle = from + step; - if (bidi) { - middle = from; - for (var i = 0; i < step; ++i) middle = moveVisually(lineObj, middle, 1); - } - var middleX = getX(middle); - if (middleX > x) {to = middle; toX = middleX; if (toOutside = wrongLine) toX += 1000; dist = step;} - else {from = middle; fromX = middleX; fromOutside = wrongLine; dist -= step;} - } - } - - var measureText; - // Compute the default text height. - function textHeight(display) { - if (display.cachedTextHeight != null) return display.cachedTextHeight; - if (measureText == null) { - measureText = elt("pre"); - // Measure a bunch of lines, for browsers that compute - // fractional heights. - for (var i = 0; i < 49; ++i) { - measureText.appendChild(document.createTextNode("x")); - measureText.appendChild(elt("br")); - } - measureText.appendChild(document.createTextNode("x")); - } - removeChildrenAndAdd(display.measure, measureText); - var height = measureText.offsetHeight / 50; - if (height > 3) display.cachedTextHeight = height; - removeChildren(display.measure); - return height || 1; - } - - // Compute the default character width. - function charWidth(display) { - if (display.cachedCharWidth != null) return display.cachedCharWidth; - var anchor = elt("span", "xxxxxxxxxx"); - var pre = elt("pre", [anchor]); - removeChildrenAndAdd(display.measure, pre); - var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10; - if (width > 2) display.cachedCharWidth = width; - return width || 10; - } - - // OPERATIONS - - // Operations are used to wrap a series of changes to the editor - // state in such a way that each change won't have to update the - // cursor and display (which would be awkward, slow, and - // error-prone). Instead, display updates are batched and then all - // combined and executed at once. - - var operationGroup = null; - - var nextOpId = 0; - // Start a new operation. - function startOperation(cm) { - cm.curOp = { - cm: cm, - viewChanged: false, // Flag that indicates that lines might need to be redrawn - startHeight: cm.doc.height, // Used to detect need to update scrollbar - forceUpdate: false, // Used to force a redraw - updateInput: null, // Whether to reset the input textarea - typing: false, // Whether this reset should be careful to leave existing text (for compositing) - changeObjs: null, // Accumulated changes, for firing change events - cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on - cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already - selectionChanged: false, // Whether the selection needs to be redrawn - updateMaxLine: false, // Set when the widest line needs to be determined anew - scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet - scrollToPos: null, // Used to scroll to a specific position - focus: false, - id: ++nextOpId // Unique ID - }; - if (operationGroup) { - operationGroup.ops.push(cm.curOp); - } else { - cm.curOp.ownsGroup = operationGroup = { - ops: [cm.curOp], - delayedCallbacks: [] - }; - } - } - - function fireCallbacksForOps(group) { - // Calls delayed callbacks and cursorActivity handlers until no - // new ones appear - var callbacks = group.delayedCallbacks, i = 0; - do { - for (; i < callbacks.length; i++) - callbacks[i].call(null); - for (var j = 0; j < group.ops.length; j++) { - var op = group.ops[j]; - if (op.cursorActivityHandlers) - while (op.cursorActivityCalled < op.cursorActivityHandlers.length) - op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); - } - } while (i < callbacks.length); - } - - // Finish an operation, updating the display and signalling delayed events - function endOperation(cm) { - var op = cm.curOp, group = op.ownsGroup; - if (!group) return; - - try { fireCallbacksForOps(group); } - finally { - operationGroup = null; - for (var i = 0; i < group.ops.length; i++) - group.ops[i].cm.curOp = null; - endOperations(group); - } - } - - // The DOM updates done when an operation finishes are batched so - // that the minimum number of relayouts are required. - function endOperations(group) { - var ops = group.ops; - for (var i = 0; i < ops.length; i++) // Read DOM - endOperation_R1(ops[i]); - for (var i = 0; i < ops.length; i++) // Write DOM (maybe) - endOperation_W1(ops[i]); - for (var i = 0; i < ops.length; i++) // Read DOM - endOperation_R2(ops[i]); - for (var i = 0; i < ops.length; i++) // Write DOM (maybe) - endOperation_W2(ops[i]); - for (var i = 0; i < ops.length; i++) // Read DOM - endOperation_finish(ops[i]); - } - - function endOperation_R1(op) { - var cm = op.cm, display = cm.display; - maybeClipScrollbars(cm); - if (op.updateMaxLine) findMaxLine(cm); - - op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null || - op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom || - op.scrollToPos.to.line >= display.viewTo) || - display.maxLineChanged && cm.options.lineWrapping; - op.update = op.mustUpdate && - new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate); - } - - function endOperation_W1(op) { - op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update); - } - - function endOperation_R2(op) { - var cm = op.cm, display = cm.display; - if (op.updatedDisplay) updateHeightsInViewport(cm); - - op.barMeasure = measureForScrollbars(cm); - - // If the max line changed since it was last measured, measure it, - // and ensure the document's width matches it. - // updateDisplay_W2 will use these properties to do the actual resizing - if (display.maxLineChanged && !cm.options.lineWrapping) { - op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3; - cm.display.sizerWidth = op.adjustWidthTo; - op.barMeasure.scrollWidth = - Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth); - op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm)); - } - - if (op.updatedDisplay || op.selectionChanged) - op.preparedSelection = display.input.prepareSelection(); - } - - function endOperation_W2(op) { - var cm = op.cm; - - if (op.adjustWidthTo != null) { - cm.display.sizer.style.minWidth = op.adjustWidthTo + "px"; - if (op.maxScrollLeft < cm.doc.scrollLeft) - setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); - cm.display.maxLineChanged = false; - } - - if (op.preparedSelection) - cm.display.input.showSelection(op.preparedSelection); - if (op.updatedDisplay) - setDocumentHeight(cm, op.barMeasure); - if (op.updatedDisplay || op.startHeight != cm.doc.height) - updateScrollbars(cm, op.barMeasure); - - if (op.selectionChanged) restartBlink(cm); - - if (cm.state.focused && op.updateInput) - cm.display.input.reset(op.typing); - if (op.focus && op.focus == activeElt() && (!document.hasFocus || document.hasFocus())) - ensureFocus(op.cm); - } - - function endOperation_finish(op) { - var cm = op.cm, display = cm.display, doc = cm.doc; - - if (op.updatedDisplay) postUpdateDisplay(cm, op.update); - - // Abort mouse wheel delta measurement, when scrolling explicitly - if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos)) - display.wheelStartX = display.wheelStartY = null; - - // Propagate the scroll position to the actual DOM scroller - if (op.scrollTop != null && (display.scroller.scrollTop != op.scrollTop || op.forceScroll)) { - doc.scrollTop = Math.max(0, Math.min(display.scroller.scrollHeight - display.scroller.clientHeight, op.scrollTop)); - display.scrollbars.setScrollTop(doc.scrollTop); - display.scroller.scrollTop = doc.scrollTop; - } - if (op.scrollLeft != null && (display.scroller.scrollLeft != op.scrollLeft || op.forceScroll)) { - doc.scrollLeft = Math.max(0, Math.min(display.scroller.scrollWidth - display.scroller.clientWidth, op.scrollLeft)); - display.scrollbars.setScrollLeft(doc.scrollLeft); - display.scroller.scrollLeft = doc.scrollLeft; - alignHorizontally(cm); - } - // If we need to scroll a specific position into view, do so. - if (op.scrollToPos) { - var coords = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from), - clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin); - if (op.scrollToPos.isCursor && cm.state.focused) maybeScrollWindow(cm, coords); - } - - // Fire events for markers that are hidden/unidden by editing or - // undoing - var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers; - if (hidden) for (var i = 0; i < hidden.length; ++i) - if (!hidden[i].lines.length) signal(hidden[i], "hide"); - if (unhidden) for (var i = 0; i < unhidden.length; ++i) - if (unhidden[i].lines.length) signal(unhidden[i], "unhide"); - - if (display.wrapper.offsetHeight) - doc.scrollTop = cm.display.scroller.scrollTop; - - // Fire change events, and delayed event handlers - if (op.changeObjs) - signal(cm, "changes", cm, op.changeObjs); - if (op.update) - op.update.finish(); - } - - // Run the given function in an operation - function runInOp(cm, f) { - if (cm.curOp) return f(); - startOperation(cm); - try { return f(); } - finally { endOperation(cm); } - } - // Wraps a function in an operation. Returns the wrapped function. - function operation(cm, f) { - return function() { - if (cm.curOp) return f.apply(cm, arguments); - startOperation(cm); - try { return f.apply(cm, arguments); } - finally { endOperation(cm); } - }; - } - // Used to add methods to editor and doc instances, wrapping them in - // operations. - function methodOp(f) { - return function() { - if (this.curOp) return f.apply(this, arguments); - startOperation(this); - try { return f.apply(this, arguments); } - finally { endOperation(this); } - }; - } - function docMethodOp(f) { - return function() { - var cm = this.cm; - if (!cm || cm.curOp) return f.apply(this, arguments); - startOperation(cm); - try { return f.apply(this, arguments); } - finally { endOperation(cm); } - }; - } - - // VIEW TRACKING - - // These objects are used to represent the visible (currently drawn) - // part of the document. A LineView may correspond to multiple - // logical lines, if those are connected by collapsed ranges. - function LineView(doc, line, lineN) { - // The starting line - this.line = line; - // Continuing lines, if any - this.rest = visualLineContinued(line); - // Number of logical lines in this visual line - this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1; - this.node = this.text = null; - this.hidden = lineIsHidden(doc, line); - } - - // Create a range of LineView objects for the given lines. - function buildViewArray(cm, from, to) { - var array = [], nextPos; - for (var pos = from; pos < to; pos = nextPos) { - var view = new LineView(cm.doc, getLine(cm.doc, pos), pos); - nextPos = pos + view.size; - array.push(view); - } - return array; - } - - // Updates the display.view data structure for a given change to the - // document. From and to are in pre-change coordinates. Lendiff is - // the amount of lines added or subtracted by the change. This is - // used for changes that span multiple lines, or change the way - // lines are divided into visual lines. regLineChange (below) - // registers single-line changes. - function regChange(cm, from, to, lendiff) { - if (from == null) from = cm.doc.first; - if (to == null) to = cm.doc.first + cm.doc.size; - if (!lendiff) lendiff = 0; - - var display = cm.display; - if (lendiff && to < display.viewTo && - (display.updateLineNumbers == null || display.updateLineNumbers > from)) - display.updateLineNumbers = from; - - cm.curOp.viewChanged = true; - - if (from >= display.viewTo) { // Change after - if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo) - resetView(cm); - } else if (to <= display.viewFrom) { // Change before - if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) { - resetView(cm); - } else { - display.viewFrom += lendiff; - display.viewTo += lendiff; - } - } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap - resetView(cm); - } else if (from <= display.viewFrom) { // Top overlap - var cut = viewCuttingPoint(cm, to, to + lendiff, 1); - if (cut) { - display.view = display.view.slice(cut.index); - display.viewFrom = cut.lineN; - display.viewTo += lendiff; - } else { - resetView(cm); - } - } else if (to >= display.viewTo) { // Bottom overlap - var cut = viewCuttingPoint(cm, from, from, -1); - if (cut) { - display.view = display.view.slice(0, cut.index); - display.viewTo = cut.lineN; - } else { - resetView(cm); - } - } else { // Gap in the middle - var cutTop = viewCuttingPoint(cm, from, from, -1); - var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1); - if (cutTop && cutBot) { - display.view = display.view.slice(0, cutTop.index) - .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN)) - .concat(display.view.slice(cutBot.index)); - display.viewTo += lendiff; - } else { - resetView(cm); - } - } - - var ext = display.externalMeasured; - if (ext) { - if (to < ext.lineN) - ext.lineN += lendiff; - else if (from < ext.lineN + ext.size) - display.externalMeasured = null; - } - } - - // Register a change to a single line. Type must be one of "text", - // "gutter", "class", "widget" - function regLineChange(cm, line, type) { - cm.curOp.viewChanged = true; - var display = cm.display, ext = cm.display.externalMeasured; - if (ext && line >= ext.lineN && line < ext.lineN + ext.size) - display.externalMeasured = null; - - if (line < display.viewFrom || line >= display.viewTo) return; - var lineView = display.view[findViewIndex(cm, line)]; - if (lineView.node == null) return; - var arr = lineView.changes || (lineView.changes = []); - if (indexOf(arr, type) == -1) arr.push(type); - } - - // Clear the view. - function resetView(cm) { - cm.display.viewFrom = cm.display.viewTo = cm.doc.first; - cm.display.view = []; - cm.display.viewOffset = 0; - } - - // Find the view element corresponding to a given line. Return null - // when the line isn't visible. - function findViewIndex(cm, n) { - if (n >= cm.display.viewTo) return null; - n -= cm.display.viewFrom; - if (n < 0) return null; - var view = cm.display.view; - for (var i = 0; i < view.length; i++) { - n -= view[i].size; - if (n < 0) return i; - } - } - - function viewCuttingPoint(cm, oldN, newN, dir) { - var index = findViewIndex(cm, oldN), diff, view = cm.display.view; - if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size) - return {index: index, lineN: newN}; - for (var i = 0, n = cm.display.viewFrom; i < index; i++) - n += view[i].size; - if (n != oldN) { - if (dir > 0) { - if (index == view.length - 1) return null; - diff = (n + view[index].size) - oldN; - index++; - } else { - diff = n - oldN; - } - oldN += diff; newN += diff; - } - while (visualLineNo(cm.doc, newN) != newN) { - if (index == (dir < 0 ? 0 : view.length - 1)) return null; - newN += dir * view[index - (dir < 0 ? 1 : 0)].size; - index += dir; - } - return {index: index, lineN: newN}; - } - - // Force the view to cover a given range, adding empty view element - // or clipping off existing ones as needed. - function adjustView(cm, from, to) { - var display = cm.display, view = display.view; - if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) { - display.view = buildViewArray(cm, from, to); - display.viewFrom = from; - } else { - if (display.viewFrom > from) - display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); - else if (display.viewFrom < from) - display.view = display.view.slice(findViewIndex(cm, from)); - display.viewFrom = from; - if (display.viewTo < to) - display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); - else if (display.viewTo > to) - display.view = display.view.slice(0, findViewIndex(cm, to)); - } - display.viewTo = to; - } - - // Count the number of lines in the view whose DOM representation is - // out of date (or nonexistent). - function countDirtyView(cm) { - var view = cm.display.view, dirty = 0; - for (var i = 0; i < view.length; i++) { - var lineView = view[i]; - if (!lineView.hidden && (!lineView.node || lineView.changes)) ++dirty; - } - return dirty; - } - - // EVENT HANDLERS - - // Attach the necessary event handlers when initializing the editor - function registerEventHandlers(cm) { - var d = cm.display; - on(d.scroller, "mousedown", operation(cm, onMouseDown)); - // Older IE's will not fire a second mousedown for a double click - if (ie && ie_version < 11) - on(d.scroller, "dblclick", operation(cm, function(e) { - if (signalDOMEvent(cm, e)) return; - var pos = posFromMouse(cm, e); - if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) return; - e_preventDefault(e); - var word = cm.findWordAt(pos); - extendSelection(cm.doc, word.anchor, word.head); - })); - else - on(d.scroller, "dblclick", function(e) { signalDOMEvent(cm, e) || e_preventDefault(e); }); - // Some browsers fire contextmenu *after* opening the menu, at - // which point we can't mess with it anymore. Context menu is - // handled in onMouseDown for these browsers. - if (!captureRightClick) on(d.scroller, "contextmenu", function(e) {onContextMenu(cm, e);}); - - // Used to suppress mouse event handling when a touch happens - var touchFinished, prevTouch = {end: 0}; - function finishTouch() { - if (d.activeTouch) { - touchFinished = setTimeout(function() {d.activeTouch = null;}, 1000); - prevTouch = d.activeTouch; - prevTouch.end = +new Date; - } - }; - function isMouseLikeTouchEvent(e) { - if (e.touches.length != 1) return false; - var touch = e.touches[0]; - return touch.radiusX <= 1 && touch.radiusY <= 1; - } - function farAway(touch, other) { - if (other.left == null) return true; - var dx = other.left - touch.left, dy = other.top - touch.top; - return dx * dx + dy * dy > 20 * 20; - } - on(d.scroller, "touchstart", function(e) { - if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e)) { - clearTimeout(touchFinished); - var now = +new Date; - d.activeTouch = {start: now, moved: false, - prev: now - prevTouch.end <= 300 ? prevTouch : null}; - if (e.touches.length == 1) { - d.activeTouch.left = e.touches[0].pageX; - d.activeTouch.top = e.touches[0].pageY; - } - } - }); - on(d.scroller, "touchmove", function() { - if (d.activeTouch) d.activeTouch.moved = true; - }); - on(d.scroller, "touchend", function(e) { - var touch = d.activeTouch; - if (touch && !eventInWidget(d, e) && touch.left != null && - !touch.moved && new Date - touch.start < 300) { - var pos = cm.coordsChar(d.activeTouch, "page"), range; - if (!touch.prev || farAway(touch, touch.prev)) // Single tap - range = new Range(pos, pos); - else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap - range = cm.findWordAt(pos); - else // Triple tap - range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); - cm.setSelection(range.anchor, range.head); - cm.focus(); - e_preventDefault(e); - } - finishTouch(); - }); - on(d.scroller, "touchcancel", finishTouch); - - // Sync scrolling between fake scrollbars and real scrollable - // area, ensure viewport is updated when scrolling. - on(d.scroller, "scroll", function() { - if (d.scroller.clientHeight) { - setScrollTop(cm, d.scroller.scrollTop); - setScrollLeft(cm, d.scroller.scrollLeft, true); - signal(cm, "scroll", cm); - } - }); - - // Listen to wheel events in order to try and update the viewport on time. - on(d.scroller, "mousewheel", function(e){onScrollWheel(cm, e);}); - on(d.scroller, "DOMMouseScroll", function(e){onScrollWheel(cm, e);}); - - // Prevent wrapper from ever scrolling - on(d.wrapper, "scroll", function() { d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; }); - - d.dragFunctions = { - enter: function(e) {if (!signalDOMEvent(cm, e)) e_stop(e);}, - over: function(e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }}, - start: function(e){onDragStart(cm, e);}, - drop: operation(cm, onDrop), - leave: function() {clearDragCursor(cm);} - }; - - var inp = d.input.getField(); - on(inp, "keyup", function(e) { onKeyUp.call(cm, e); }); - on(inp, "keydown", operation(cm, onKeyDown)); - on(inp, "keypress", operation(cm, onKeyPress)); - on(inp, "focus", bind(onFocus, cm)); - on(inp, "blur", bind(onBlur, cm)); - } - - function dragDropChanged(cm, value, old) { - var wasOn = old && old != CodeMirror.Init; - if (!value != !wasOn) { - var funcs = cm.display.dragFunctions; - var toggle = value ? on : off; - toggle(cm.display.scroller, "dragstart", funcs.start); - toggle(cm.display.scroller, "dragenter", funcs.enter); - toggle(cm.display.scroller, "dragover", funcs.over); - toggle(cm.display.scroller, "dragleave", funcs.leave); - toggle(cm.display.scroller, "drop", funcs.drop); - } - } - - // Called when the window resizes - function onResize(cm) { - var d = cm.display; - if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth) - return; - // Might be a text scaling operation, clear size caches. - d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; - d.scrollbarsClipped = false; - cm.setSize(); - } - - // MOUSE EVENTS - - // Return true when the given mouse event happened in a widget - function eventInWidget(display, e) { - for (var n = e_target(e); n != display.wrapper; n = n.parentNode) { - if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") || - (n.parentNode == display.sizer && n != display.mover)) - return true; - } - } - - // Given a mouse event, find the corresponding position. If liberal - // is false, it checks whether a gutter or scrollbar was clicked, - // and returns null if it was. forRect is used by rectangular - // selections, and tries to estimate a character position even for - // coordinates beyond the right of the text. - function posFromMouse(cm, e, liberal, forRect) { - var display = cm.display; - if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") return null; - - var x, y, space = display.lineSpace.getBoundingClientRect(); - // Fails unpredictably on IE[67] when mouse is dragged around quickly. - try { x = e.clientX - space.left; y = e.clientY - space.top; } - catch (e) { return null; } - var coords = coordsChar(cm, x, y), line; - if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) { - var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length; - coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff)); - } - return coords; - } - - // A mouse down can be a single click, double click, triple click, - // start of selection drag, start of text drag, new cursor - // (ctrl-click), rectangle drag (alt-drag), or xwin - // middle-click-paste. Or it might be a click on something we should - // not interfere with, such as a scrollbar or widget. - function onMouseDown(e) { - var cm = this, display = cm.display; - if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) return; - display.shift = e.shiftKey; - - if (eventInWidget(display, e)) { - if (!webkit) { - // Briefly turn off draggability, to allow widgets to do - // normal dragging things. - display.scroller.draggable = false; - setTimeout(function(){display.scroller.draggable = true;}, 100); - } - return; - } - if (clickInGutter(cm, e)) return; - var start = posFromMouse(cm, e); - window.focus(); - - switch (e_button(e)) { - case 1: - // #3261: make sure, that we're not starting a second selection - if (cm.state.selectingText) - cm.state.selectingText(e); - else if (start) - leftButtonDown(cm, e, start); - else if (e_target(e) == display.scroller) - e_preventDefault(e); - break; - case 2: - if (webkit) cm.state.lastMiddleDown = +new Date; - if (start) extendSelection(cm.doc, start); - setTimeout(function() {display.input.focus();}, 20); - e_preventDefault(e); - break; - case 3: - if (captureRightClick) onContextMenu(cm, e); - else delayBlurEvent(cm); - break; - } - } - - var lastClick, lastDoubleClick; - function leftButtonDown(cm, e, start) { - if (ie) setTimeout(bind(ensureFocus, cm), 0); - else cm.curOp.focus = activeElt(); - - var now = +new Date, type; - if (lastDoubleClick && lastDoubleClick.time > now - 400 && cmp(lastDoubleClick.pos, start) == 0) { - type = "triple"; - } else if (lastClick && lastClick.time > now - 400 && cmp(lastClick.pos, start) == 0) { - type = "double"; - lastDoubleClick = {time: now, pos: start}; - } else { - type = "single"; - lastClick = {time: now, pos: start}; - } - - var sel = cm.doc.sel, modifier = mac ? e.metaKey : e.ctrlKey, contained; - if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() && - type == "single" && (contained = sel.contains(start)) > -1 && - (cmp((contained = sel.ranges[contained]).from(), start) < 0 || start.xRel > 0) && - (cmp(contained.to(), start) > 0 || start.xRel < 0)) - leftButtonStartDrag(cm, e, start, modifier); - else - leftButtonSelect(cm, e, start, type, modifier); - } - - // Start a text drag. When it ends, see if any dragging actually - // happen, and treat as a click if it didn't. - function leftButtonStartDrag(cm, e, start, modifier) { - var display = cm.display, startTime = +new Date; - var dragEnd = operation(cm, function(e2) { - if (webkit) display.scroller.draggable = false; - cm.state.draggingText = false; - off(document, "mouseup", dragEnd); - off(display.scroller, "drop", dragEnd); - if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) { - e_preventDefault(e2); - if (!modifier && +new Date - 200 < startTime) - extendSelection(cm.doc, start); - // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081) - if (webkit || ie && ie_version == 9) - setTimeout(function() {document.body.focus(); display.input.focus();}, 20); - else - display.input.focus(); - } - }); - // Let the drag handler handle this. - if (webkit) display.scroller.draggable = true; - cm.state.draggingText = dragEnd; - // IE's approach to draggable - if (display.scroller.dragDrop) display.scroller.dragDrop(); - on(document, "mouseup", dragEnd); - on(display.scroller, "drop", dragEnd); - } - - // Normal selection, as opposed to text dragging. - function leftButtonSelect(cm, e, start, type, addNew) { - var display = cm.display, doc = cm.doc; - e_preventDefault(e); - - var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges; - if (addNew && !e.shiftKey) { - ourIndex = doc.sel.contains(start); - if (ourIndex > -1) - ourRange = ranges[ourIndex]; - else - ourRange = new Range(start, start); - } else { - ourRange = doc.sel.primary(); - ourIndex = doc.sel.primIndex; - } - - if (e.altKey) { - type = "rect"; - if (!addNew) ourRange = new Range(start, start); - start = posFromMouse(cm, e, true, true); - ourIndex = -1; - } else if (type == "double") { - var word = cm.findWordAt(start); - if (cm.display.shift || doc.extend) - ourRange = extendRange(doc, ourRange, word.anchor, word.head); - else - ourRange = word; - } else if (type == "triple") { - var line = new Range(Pos(start.line, 0), clipPos(doc, Pos(start.line + 1, 0))); - if (cm.display.shift || doc.extend) - ourRange = extendRange(doc, ourRange, line.anchor, line.head); - else - ourRange = line; - } else { - ourRange = extendRange(doc, ourRange, start); - } - - if (!addNew) { - ourIndex = 0; - setSelection(doc, new Selection([ourRange], 0), sel_mouse); - startSel = doc.sel; - } else if (ourIndex == -1) { - ourIndex = ranges.length; - setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex), - {scroll: false, origin: "*mouse"}); - } else if (ranges.length > 1 && ranges[ourIndex].empty() && type == "single" && !e.shiftKey) { - setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0), - {scroll: false, origin: "*mouse"}); - startSel = doc.sel; - } else { - replaceOneSelection(doc, ourIndex, ourRange, sel_mouse); - } - - var lastPos = start; - function extendTo(pos) { - if (cmp(lastPos, pos) == 0) return; - lastPos = pos; - - if (type == "rect") { - var ranges = [], tabSize = cm.options.tabSize; - var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize); - var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize); - var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol); - for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line)); - line <= end; line++) { - var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize); - if (left == right) - ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); - else if (text.length > leftPos) - ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); - } - if (!ranges.length) ranges.push(new Range(start, start)); - setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex), - {origin: "*mouse", scroll: false}); - cm.scrollIntoView(pos); - } else { - var oldRange = ourRange; - var anchor = oldRange.anchor, head = pos; - if (type != "single") { - if (type == "double") - var range = cm.findWordAt(pos); - else - var range = new Range(Pos(pos.line, 0), clipPos(doc, Pos(pos.line + 1, 0))); - if (cmp(range.anchor, anchor) > 0) { - head = range.head; - anchor = minPos(oldRange.from(), range.anchor); - } else { - head = range.anchor; - anchor = maxPos(oldRange.to(), range.head); - } - } - var ranges = startSel.ranges.slice(0); - ranges[ourIndex] = new Range(clipPos(doc, anchor), head); - setSelection(doc, normalizeSelection(ranges, ourIndex), sel_mouse); - } - } - - var editorSize = display.wrapper.getBoundingClientRect(); - // Used to ensure timeout re-tries don't fire when another extend - // happened in the meantime (clearTimeout isn't reliable -- at - // least on Chrome, the timeouts still happen even when cleared, - // if the clear happens after their scheduled firing time). - var counter = 0; - - function extend(e) { - var curCount = ++counter; - var cur = posFromMouse(cm, e, true, type == "rect"); - if (!cur) return; - if (cmp(cur, lastPos) != 0) { - cm.curOp.focus = activeElt(); - extendTo(cur); - var visible = visibleLines(display, doc); - if (cur.line >= visible.to || cur.line < visible.from) - setTimeout(operation(cm, function(){if (counter == curCount) extend(e);}), 150); - } else { - var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0; - if (outside) setTimeout(operation(cm, function() { - if (counter != curCount) return; - display.scroller.scrollTop += outside; - extend(e); - }), 50); - } - } - - function done(e) { - cm.state.selectingText = false; - counter = Infinity; - e_preventDefault(e); - display.input.focus(); - off(document, "mousemove", move); - off(document, "mouseup", up); - doc.history.lastSelOrigin = null; - } - - var move = operation(cm, function(e) { - if (!e_button(e)) done(e); - else extend(e); - }); - var up = operation(cm, done); - cm.state.selectingText = up; - on(document, "mousemove", move); - on(document, "mouseup", up); - } - - // Determines whether an event happened in the gutter, and fires the - // handlers for the corresponding event. - function gutterEvent(cm, e, type, prevent) { - try { var mX = e.clientX, mY = e.clientY; } - catch(e) { return false; } - if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) return false; - if (prevent) e_preventDefault(e); - - var display = cm.display; - var lineBox = display.lineDiv.getBoundingClientRect(); - - if (mY > lineBox.bottom || !hasHandler(cm, type)) return e_defaultPrevented(e); - mY -= lineBox.top - display.viewOffset; - - for (var i = 0; i < cm.options.gutters.length; ++i) { - var g = display.gutters.childNodes[i]; - if (g && g.getBoundingClientRect().right >= mX) { - var line = lineAtHeight(cm.doc, mY); - var gutter = cm.options.gutters[i]; - signal(cm, type, cm, line, gutter, e); - return e_defaultPrevented(e); - } - } - } - - function clickInGutter(cm, e) { - return gutterEvent(cm, e, "gutterClick", true); - } - - // Kludge to work around strange IE behavior where it'll sometimes - // re-fire a series of drag-related events right after the drop (#1551) - var lastDrop = 0; - - function onDrop(e) { - var cm = this; - clearDragCursor(cm); - if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) - return; - e_preventDefault(e); - if (ie) lastDrop = +new Date; - var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files; - if (!pos || cm.isReadOnly()) return; - // Might be a file drop, in which case we simply extract the text - // and insert it. - if (files && files.length && window.FileReader && window.File) { - var n = files.length, text = Array(n), read = 0; - var loadFile = function(file, i) { - if (cm.options.allowDropFileTypes && - indexOf(cm.options.allowDropFileTypes, file.type) == -1) - return; - - var reader = new FileReader; - reader.onload = operation(cm, function() { - var content = reader.result; - if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) content = ""; - text[i] = content; - if (++read == n) { - pos = clipPos(cm.doc, pos); - var change = {from: pos, to: pos, - text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())), - origin: "paste"}; - makeChange(cm.doc, change); - setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change))); - } - }); - reader.readAsText(file); - }; - for (var i = 0; i < n; ++i) loadFile(files[i], i); - } else { // Normal drop - // Don't do a replace if the drop happened inside of the selected text. - if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) { - cm.state.draggingText(e); - // Ensure the editor is re-focused - setTimeout(function() {cm.display.input.focus();}, 20); - return; - } - try { - var text = e.dataTransfer.getData("Text"); - if (text) { - if (cm.state.draggingText && !(mac ? e.altKey : e.ctrlKey)) - var selected = cm.listSelections(); - setSelectionNoUndo(cm.doc, simpleSelection(pos, pos)); - if (selected) for (var i = 0; i < selected.length; ++i) - replaceRange(cm.doc, "", selected[i].anchor, selected[i].head, "drag"); - cm.replaceSelection(text, "around", "paste"); - cm.display.input.focus(); - } - } - catch(e){} - } - } - - function onDragStart(cm, e) { - if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return; } - if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) return; - - e.dataTransfer.setData("Text", cm.getSelection()); - - // Use dummy image instead of default browsers image. - // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there. - if (e.dataTransfer.setDragImage && !safari) { - var img = elt("img", null, null, "position: fixed; left: 0; top: 0;"); - img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="; - if (presto) { - img.width = img.height = 1; - cm.display.wrapper.appendChild(img); - // Force a relayout, or Opera won't use our image for some obscure reason - img._top = img.offsetTop; - } - e.dataTransfer.setDragImage(img, 0, 0); - if (presto) img.parentNode.removeChild(img); - } - } - - function onDragOver(cm, e) { - var pos = posFromMouse(cm, e); - if (!pos) return; - var frag = document.createDocumentFragment(); - drawSelectionCursor(cm, pos, frag); - if (!cm.display.dragCursor) { - cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors"); - cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv); - } - removeChildrenAndAdd(cm.display.dragCursor, frag); - } - - function clearDragCursor(cm) { - if (cm.display.dragCursor) { - cm.display.lineSpace.removeChild(cm.display.dragCursor); - cm.display.dragCursor = null; - } - } - - // SCROLL EVENTS - - // Sync the scrollable area and scrollbars, ensure the viewport - // covers the visible area. - function setScrollTop(cm, val) { - if (Math.abs(cm.doc.scrollTop - val) < 2) return; - cm.doc.scrollTop = val; - if (!gecko) updateDisplaySimple(cm, {top: val}); - if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val; - cm.display.scrollbars.setScrollTop(val); - if (gecko) updateDisplaySimple(cm); - startWorker(cm, 100); - } - // Sync scroller and scrollbar, ensure the gutter elements are - // aligned. - function setScrollLeft(cm, val, isScroller) { - if (isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) return; - val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth); - cm.doc.scrollLeft = val; - alignHorizontally(cm); - if (cm.display.scroller.scrollLeft != val) cm.display.scroller.scrollLeft = val; - cm.display.scrollbars.setScrollLeft(val); - } - - // Since the delta values reported on mouse wheel events are - // unstandardized between browsers and even browser versions, and - // generally horribly unpredictable, this code starts by measuring - // the scroll effect that the first few mouse wheel events have, - // and, from that, detects the way it can convert deltas to pixel - // offsets afterwards. - // - // The reason we want to know the amount a wheel event will scroll - // is that it gives us a chance to update the display before the - // actual scrolling happens, reducing flickering. - - var wheelSamples = 0, wheelPixelsPerUnit = null; - // Fill in a browser-detected starting value on browsers where we - // know one. These don't have to be accurate -- the result of them - // being wrong would just be a slight flicker on the first wheel - // scroll (if it is large enough). - if (ie) wheelPixelsPerUnit = -.53; - else if (gecko) wheelPixelsPerUnit = 15; - else if (chrome) wheelPixelsPerUnit = -.7; - else if (safari) wheelPixelsPerUnit = -1/3; - - var wheelEventDelta = function(e) { - var dx = e.wheelDeltaX, dy = e.wheelDeltaY; - if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) dx = e.detail; - if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) dy = e.detail; - else if (dy == null) dy = e.wheelDelta; - return {x: dx, y: dy}; - }; - CodeMirror.wheelEventPixels = function(e) { - var delta = wheelEventDelta(e); - delta.x *= wheelPixelsPerUnit; - delta.y *= wheelPixelsPerUnit; - return delta; - }; - - function onScrollWheel(cm, e) { - var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y; - - var display = cm.display, scroll = display.scroller; - // Quit if there's nothing to scroll here - var canScrollX = scroll.scrollWidth > scroll.clientWidth; - var canScrollY = scroll.scrollHeight > scroll.clientHeight; - if (!(dx && canScrollX || dy && canScrollY)) return; - - // Webkit browsers on OS X abort momentum scrolls when the target - // of the scroll event is removed from the scrollable element. - // This hack (see related code in patchDisplay) makes sure the - // element is kept around. - if (dy && mac && webkit) { - outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) { - for (var i = 0; i < view.length; i++) { - if (view[i].node == cur) { - cm.display.currentWheelTarget = cur; - break outer; - } - } - } - } - - // On some browsers, horizontal scrolling will cause redraws to - // happen before the gutter has been realigned, causing it to - // wriggle around in a most unseemly way. When we have an - // estimated pixels/delta value, we just handle horizontal - // scrolling entirely here. It'll be slightly off from native, but - // better than glitching out. - if (dx && !gecko && !presto && wheelPixelsPerUnit != null) { - if (dy && canScrollY) - setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight))); - setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth))); - // Only prevent default scrolling if vertical scrolling is - // actually possible. Otherwise, it causes vertical scroll - // jitter on OSX trackpads when deltaX is small and deltaY - // is large (issue #3579) - if (!dy || (dy && canScrollY)) - e_preventDefault(e); - display.wheelStartX = null; // Abort measurement, if in progress - return; - } - - // 'Project' the visible viewport to cover the area that is being - // scrolled into view (if we know enough to estimate it). - if (dy && wheelPixelsPerUnit != null) { - var pixels = dy * wheelPixelsPerUnit; - var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight; - if (pixels < 0) top = Math.max(0, top + pixels - 50); - else bot = Math.min(cm.doc.height, bot + pixels + 50); - updateDisplaySimple(cm, {top: top, bottom: bot}); - } - - if (wheelSamples < 20) { - if (display.wheelStartX == null) { - display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop; - display.wheelDX = dx; display.wheelDY = dy; - setTimeout(function() { - if (display.wheelStartX == null) return; - var movedX = scroll.scrollLeft - display.wheelStartX; - var movedY = scroll.scrollTop - display.wheelStartY; - var sample = (movedY && display.wheelDY && movedY / display.wheelDY) || - (movedX && display.wheelDX && movedX / display.wheelDX); - display.wheelStartX = display.wheelStartY = null; - if (!sample) return; - wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1); - ++wheelSamples; - }, 200); - } else { - display.wheelDX += dx; display.wheelDY += dy; - } - } - } - - // KEY EVENTS - - // Run a handler that was bound to a key. - function doHandleBinding(cm, bound, dropShift) { - if (typeof bound == "string") { - bound = commands[bound]; - if (!bound) return false; - } - // Ensure previous input has been read, so that the handler sees a - // consistent view of the document - cm.display.input.ensurePolled(); - var prevShift = cm.display.shift, done = false; - try { - if (cm.isReadOnly()) cm.state.suppressEdits = true; - if (dropShift) cm.display.shift = false; - done = bound(cm) != Pass; - } finally { - cm.display.shift = prevShift; - cm.state.suppressEdits = false; - } - return done; - } - - function lookupKeyForEditor(cm, name, handle) { - for (var i = 0; i < cm.state.keyMaps.length; i++) { - var result = lookupKey(name, cm.state.keyMaps[i], handle, cm); - if (result) return result; - } - return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm)) - || lookupKey(name, cm.options.keyMap, handle, cm); - } - - var stopSeq = new Delayed; - function dispatchKey(cm, name, e, handle) { - var seq = cm.state.keySeq; - if (seq) { - if (isModifierKey(name)) return "handled"; - stopSeq.set(50, function() { - if (cm.state.keySeq == seq) { - cm.state.keySeq = null; - cm.display.input.reset(); - } - }); - name = seq + " " + name; - } - var result = lookupKeyForEditor(cm, name, handle); - - if (result == "multi") - cm.state.keySeq = name; - if (result == "handled") - signalLater(cm, "keyHandled", cm, name, e); - - if (result == "handled" || result == "multi") { - e_preventDefault(e); - restartBlink(cm); - } - - if (seq && !result && /\'$/.test(name)) { - e_preventDefault(e); - return true; - } - return !!result; - } - - // Handle a key from the keydown event. - function handleKeyBinding(cm, e) { - var name = keyName(e, true); - if (!name) return false; - - if (e.shiftKey && !cm.state.keySeq) { - // First try to resolve full name (including 'Shift-'). Failing - // that, see if there is a cursor-motion command (starting with - // 'go') bound to the keyname without 'Shift-'. - return dispatchKey(cm, "Shift-" + name, e, function(b) {return doHandleBinding(cm, b, true);}) - || dispatchKey(cm, name, e, function(b) { - if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion) - return doHandleBinding(cm, b); - }); - } else { - return dispatchKey(cm, name, e, function(b) { return doHandleBinding(cm, b); }); - } - } - - // Handle a key from the keypress event - function handleCharBinding(cm, e, ch) { - return dispatchKey(cm, "'" + ch + "'", e, - function(b) { return doHandleBinding(cm, b, true); }); - } - - var lastStoppedKey = null; - function onKeyDown(e) { - var cm = this; - cm.curOp.focus = activeElt(); - if (signalDOMEvent(cm, e)) return; - // IE does strange things with escape. - if (ie && ie_version < 11 && e.keyCode == 27) e.returnValue = false; - var code = e.keyCode; - cm.display.shift = code == 16 || e.shiftKey; - var handled = handleKeyBinding(cm, e); - if (presto) { - lastStoppedKey = handled ? code : null; - // Opera has no cut event... we try to at least catch the key combo - if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey)) - cm.replaceSelection("", null, "cut"); - } - - // Turn mouse into crosshair when Alt is held on Mac. - if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className)) - showCrossHair(cm); - } - - function showCrossHair(cm) { - var lineDiv = cm.display.lineDiv; - addClass(lineDiv, "CodeMirror-crosshair"); - - function up(e) { - if (e.keyCode == 18 || !e.altKey) { - rmClass(lineDiv, "CodeMirror-crosshair"); - off(document, "keyup", up); - off(document, "mouseover", up); - } - } - on(document, "keyup", up); - on(document, "mouseover", up); - } - - function onKeyUp(e) { - if (e.keyCode == 16) this.doc.sel.shift = false; - signalDOMEvent(this, e); - } - - function onKeyPress(e) { - var cm = this; - if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) return; - var keyCode = e.keyCode, charCode = e.charCode; - if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;} - if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) return; - var ch = String.fromCharCode(charCode == null ? keyCode : charCode); - if (handleCharBinding(cm, e, ch)) return; - cm.display.input.onKeyPress(e); - } - - // FOCUS/BLUR EVENTS - - function delayBlurEvent(cm) { - cm.state.delayingBlurEvent = true; - setTimeout(function() { - if (cm.state.delayingBlurEvent) { - cm.state.delayingBlurEvent = false; - onBlur(cm); - } - }, 100); - } - - function onFocus(cm) { - if (cm.state.delayingBlurEvent) cm.state.delayingBlurEvent = false; - - if (cm.options.readOnly == "nocursor") return; - if (!cm.state.focused) { - signal(cm, "focus", cm); - cm.state.focused = true; - addClass(cm.display.wrapper, "CodeMirror-focused"); - // This test prevents this from firing when a context - // menu is closed (since the input reset would kill the - // select-all detection hack) - if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) { - cm.display.input.reset(); - if (webkit) setTimeout(function() { cm.display.input.reset(true); }, 20); // Issue #1730 - } - cm.display.input.receivedFocus(); - } - restartBlink(cm); - } - function onBlur(cm) { - if (cm.state.delayingBlurEvent) return; - - if (cm.state.focused) { - signal(cm, "blur", cm); - cm.state.focused = false; - rmClass(cm.display.wrapper, "CodeMirror-focused"); - } - clearInterval(cm.display.blinker); - setTimeout(function() {if (!cm.state.focused) cm.display.shift = false;}, 150); - } - - // CONTEXT MENU HANDLING - - // To make the context menu work, we need to briefly unhide the - // textarea (making it as unobtrusive as possible) to let the - // right-click take effect on it. - function onContextMenu(cm, e) { - if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) return; - if (signalDOMEvent(cm, e, "contextmenu")) return; - cm.display.input.onContextMenu(e); - } - - function contextMenuInGutter(cm, e) { - if (!hasHandler(cm, "gutterContextMenu")) return false; - return gutterEvent(cm, e, "gutterContextMenu", false); - } - - // UPDATING - - // Compute the position of the end of a change (its 'to' property - // refers to the pre-change end). - var changeEnd = CodeMirror.changeEnd = function(change) { - if (!change.text) return change.to; - return Pos(change.from.line + change.text.length - 1, - lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0)); - }; - - // Adjust a position to refer to the post-change position of the - // same text, or the end of the change if the change covers it. - function adjustForChange(pos, change) { - if (cmp(pos, change.from) < 0) return pos; - if (cmp(pos, change.to) <= 0) return changeEnd(change); - - var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch; - if (pos.line == change.to.line) ch += changeEnd(change).ch - change.to.ch; - return Pos(line, ch); - } - - function computeSelAfterChange(doc, change) { - var out = []; - for (var i = 0; i < doc.sel.ranges.length; i++) { - var range = doc.sel.ranges[i]; - out.push(new Range(adjustForChange(range.anchor, change), - adjustForChange(range.head, change))); - } - return normalizeSelection(out, doc.sel.primIndex); - } - - function offsetPos(pos, old, nw) { - if (pos.line == old.line) - return Pos(nw.line, pos.ch - old.ch + nw.ch); - else - return Pos(nw.line + (pos.line - old.line), pos.ch); - } - - // Used by replaceSelections to allow moving the selection to the - // start or around the replaced test. Hint may be "start" or "around". - function computeReplacedSel(doc, changes, hint) { - var out = []; - var oldPrev = Pos(doc.first, 0), newPrev = oldPrev; - for (var i = 0; i < changes.length; i++) { - var change = changes[i]; - var from = offsetPos(change.from, oldPrev, newPrev); - var to = offsetPos(changeEnd(change), oldPrev, newPrev); - oldPrev = change.to; - newPrev = to; - if (hint == "around") { - var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0; - out[i] = new Range(inv ? to : from, inv ? from : to); - } else { - out[i] = new Range(from, from); - } - } - return new Selection(out, doc.sel.primIndex); - } - - // Allow "beforeChange" event handlers to influence a change - function filterChange(doc, change, update) { - var obj = { - canceled: false, - from: change.from, - to: change.to, - text: change.text, - origin: change.origin, - cancel: function() { this.canceled = true; } - }; - if (update) obj.update = function(from, to, text, origin) { - if (from) this.from = clipPos(doc, from); - if (to) this.to = clipPos(doc, to); - if (text) this.text = text; - if (origin !== undefined) this.origin = origin; - }; - signal(doc, "beforeChange", doc, obj); - if (doc.cm) signal(doc.cm, "beforeChange", doc.cm, obj); - - if (obj.canceled) return null; - return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin}; - } - - // Apply a change to a document, and add it to the document's - // history, and propagating it to all linked documents. - function makeChange(doc, change, ignoreReadOnly) { - if (doc.cm) { - if (!doc.cm.curOp) return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly); - if (doc.cm.state.suppressEdits) return; - } - - if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) { - change = filterChange(doc, change, true); - if (!change) return; - } - - // Possibly split or suppress the update based on the presence - // of read-only spans in its range. - var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to); - if (split) { - for (var i = split.length - 1; i >= 0; --i) - makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text}); - } else { - makeChangeInner(doc, change); - } - } - - function makeChangeInner(doc, change) { - if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) return; - var selAfter = computeSelAfterChange(doc, change); - addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN); - - makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change)); - var rebased = []; - - linkedDocs(doc, function(doc, sharedHist) { - if (!sharedHist && indexOf(rebased, doc.history) == -1) { - rebaseHist(doc.history, change); - rebased.push(doc.history); - } - makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change)); - }); - } - - // Revert a change stored in a document's history. - function makeChangeFromHistory(doc, type, allowSelectionOnly) { - if (doc.cm && doc.cm.state.suppressEdits) return; - - var hist = doc.history, event, selAfter = doc.sel; - var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done; - - // Verify that there is a useable event (so that ctrl-z won't - // needlessly clear selection events) - for (var i = 0; i < source.length; i++) { - event = source[i]; - if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges) - break; - } - if (i == source.length) return; - hist.lastOrigin = hist.lastSelOrigin = null; - - for (;;) { - event = source.pop(); - if (event.ranges) { - pushSelectionToHistory(event, dest); - if (allowSelectionOnly && !event.equals(doc.sel)) { - setSelection(doc, event, {clearRedo: false}); - return; - } - selAfter = event; - } - else break; - } - - // Build up a reverse change object to add to the opposite history - // stack (redo when undoing, and vice versa). - var antiChanges = []; - pushSelectionToHistory(selAfter, dest); - dest.push({changes: antiChanges, generation: hist.generation}); - hist.generation = event.generation || ++hist.maxGeneration; - - var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange"); - - for (var i = event.changes.length - 1; i >= 0; --i) { - var change = event.changes[i]; - change.origin = type; - if (filter && !filterChange(doc, change, false)) { - source.length = 0; - return; - } - - antiChanges.push(historyChangeFromChange(doc, change)); - - var after = i ? computeSelAfterChange(doc, change) : lst(source); - makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change)); - if (!i && doc.cm) doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); - var rebased = []; - - // Propagate to the linked documents - linkedDocs(doc, function(doc, sharedHist) { - if (!sharedHist && indexOf(rebased, doc.history) == -1) { - rebaseHist(doc.history, change); - rebased.push(doc.history); - } - makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change)); - }); - } - } - - // Sub-views need their line numbers shifted when text is added - // above or below them in the parent document. - function shiftDoc(doc, distance) { - if (distance == 0) return; - doc.first += distance; - doc.sel = new Selection(map(doc.sel.ranges, function(range) { - return new Range(Pos(range.anchor.line + distance, range.anchor.ch), - Pos(range.head.line + distance, range.head.ch)); - }), doc.sel.primIndex); - if (doc.cm) { - regChange(doc.cm, doc.first, doc.first - distance, distance); - for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++) - regLineChange(doc.cm, l, "gutter"); - } - } - - // More lower-level change function, handling only a single document - // (not linked ones). - function makeChangeSingleDoc(doc, change, selAfter, spans) { - if (doc.cm && !doc.cm.curOp) - return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans); - - if (change.to.line < doc.first) { - shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line)); - return; - } - if (change.from.line > doc.lastLine()) return; - - // Clip the change to the size of this doc - if (change.from.line < doc.first) { - var shift = change.text.length - 1 - (doc.first - change.from.line); - shiftDoc(doc, shift); - change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch), - text: [lst(change.text)], origin: change.origin}; - } - var last = doc.lastLine(); - if (change.to.line > last) { - change = {from: change.from, to: Pos(last, getLine(doc, last).text.length), - text: [change.text[0]], origin: change.origin}; - } - - change.removed = getBetween(doc, change.from, change.to); - - if (!selAfter) selAfter = computeSelAfterChange(doc, change); - if (doc.cm) makeChangeSingleDocInEditor(doc.cm, change, spans); - else updateDoc(doc, change, spans); - setSelectionNoUndo(doc, selAfter, sel_dontScroll); - } - - // Handle the interaction of a change to a document with the editor - // that this document is part of. - function makeChangeSingleDocInEditor(cm, change, spans) { - var doc = cm.doc, display = cm.display, from = change.from, to = change.to; - - var recomputeMaxLength = false, checkWidthStart = from.line; - if (!cm.options.lineWrapping) { - checkWidthStart = lineNo(visualLine(getLine(doc, from.line))); - doc.iter(checkWidthStart, to.line + 1, function(line) { - if (line == display.maxLine) { - recomputeMaxLength = true; - return true; - } - }); - } - - if (doc.sel.contains(change.from, change.to) > -1) - signalCursorActivity(cm); - - updateDoc(doc, change, spans, estimateHeight(cm)); - - if (!cm.options.lineWrapping) { - doc.iter(checkWidthStart, from.line + change.text.length, function(line) { - var len = lineLength(line); - if (len > display.maxLineLength) { - display.maxLine = line; - display.maxLineLength = len; - display.maxLineChanged = true; - recomputeMaxLength = false; - } - }); - if (recomputeMaxLength) cm.curOp.updateMaxLine = true; - } - - // Adjust frontier, schedule worker - doc.frontier = Math.min(doc.frontier, from.line); - startWorker(cm, 400); - - var lendiff = change.text.length - (to.line - from.line) - 1; - // Remember that these lines changed, for updating the display - if (change.full) - regChange(cm); - else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change)) - regLineChange(cm, from.line, "text"); - else - regChange(cm, from.line, to.line + 1, lendiff); - - var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change"); - if (changeHandler || changesHandler) { - var obj = { - from: from, to: to, - text: change.text, - removed: change.removed, - origin: change.origin - }; - if (changeHandler) signalLater(cm, "change", cm, obj); - if (changesHandler) (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); - } - cm.display.selForContextMenu = null; - } - - function replaceRange(doc, code, from, to, origin) { - if (!to) to = from; - if (cmp(to, from) < 0) { var tmp = to; to = from; from = tmp; } - if (typeof code == "string") code = doc.splitLines(code); - makeChange(doc, {from: from, to: to, text: code, origin: origin}); - } - - // SCROLLING THINGS INTO VIEW - - // If an editor sits on the top or bottom of the window, partially - // scrolled out of view, this ensures that the cursor is visible. - function maybeScrollWindow(cm, coords) { - if (signalDOMEvent(cm, "scrollCursorIntoView")) return; - - var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null; - if (coords.top + box.top < 0) doScroll = true; - else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false; - if (doScroll != null && !phantom) { - var scrollNode = elt("div", "\u200b", null, "position: absolute; top: " + - (coords.top - display.viewOffset - paddingTop(cm.display)) + "px; height: " + - (coords.bottom - coords.top + scrollGap(cm) + display.barHeight) + "px; left: " + - coords.left + "px; width: 2px;"); - cm.display.lineSpace.appendChild(scrollNode); - scrollNode.scrollIntoView(doScroll); - cm.display.lineSpace.removeChild(scrollNode); - } - } - - // Scroll a given position into view (immediately), verifying that - // it actually became visible (as line heights are accurately - // measured, the position of something may 'drift' during drawing). - function scrollPosIntoView(cm, pos, end, margin) { - if (margin == null) margin = 0; - for (var limit = 0; limit < 5; limit++) { - var changed = false, coords = cursorCoords(cm, pos); - var endCoords = !end || end == pos ? coords : cursorCoords(cm, end); - var scrollPos = calculateScrollPos(cm, Math.min(coords.left, endCoords.left), - Math.min(coords.top, endCoords.top) - margin, - Math.max(coords.left, endCoords.left), - Math.max(coords.bottom, endCoords.bottom) + margin); - var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft; - if (scrollPos.scrollTop != null) { - setScrollTop(cm, scrollPos.scrollTop); - if (Math.abs(cm.doc.scrollTop - startTop) > 1) changed = true; - } - if (scrollPos.scrollLeft != null) { - setScrollLeft(cm, scrollPos.scrollLeft); - if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) changed = true; - } - if (!changed) break; - } - return coords; - } - - // Scroll a given set of coordinates into view (immediately). - function scrollIntoView(cm, x1, y1, x2, y2) { - var scrollPos = calculateScrollPos(cm, x1, y1, x2, y2); - if (scrollPos.scrollTop != null) setScrollTop(cm, scrollPos.scrollTop); - if (scrollPos.scrollLeft != null) setScrollLeft(cm, scrollPos.scrollLeft); - } - - // Calculate a new scroll position needed to scroll the given - // rectangle into view. Returns an object with scrollTop and - // scrollLeft properties. When these are undefined, the - // vertical/horizontal position does not need to be adjusted. - function calculateScrollPos(cm, x1, y1, x2, y2) { - var display = cm.display, snapMargin = textHeight(cm.display); - if (y1 < 0) y1 = 0; - var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop; - var screen = displayHeight(cm), result = {}; - if (y2 - y1 > screen) y2 = y1 + screen; - var docBottom = cm.doc.height + paddingVert(display); - var atTop = y1 < snapMargin, atBottom = y2 > docBottom - snapMargin; - if (y1 < screentop) { - result.scrollTop = atTop ? 0 : y1; - } else if (y2 > screentop + screen) { - var newTop = Math.min(y1, (atBottom ? docBottom : y2) - screen); - if (newTop != screentop) result.scrollTop = newTop; - } - - var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft; - var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0); - var tooWide = x2 - x1 > screenw; - if (tooWide) x2 = x1 + screenw; - if (x1 < 10) - result.scrollLeft = 0; - else if (x1 < screenleft) - result.scrollLeft = Math.max(0, x1 - (tooWide ? 0 : 10)); - else if (x2 > screenw + screenleft - 3) - result.scrollLeft = x2 + (tooWide ? 0 : 10) - screenw; - return result; - } - - // Store a relative adjustment to the scroll position in the current - // operation (to be applied when the operation finishes). - function addToScrollPos(cm, left, top) { - if (left != null || top != null) resolveScrollToPos(cm); - if (left != null) - cm.curOp.scrollLeft = (cm.curOp.scrollLeft == null ? cm.doc.scrollLeft : cm.curOp.scrollLeft) + left; - if (top != null) - cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top; - } - - // Make sure that at the end of the operation the current cursor is - // shown. - function ensureCursorVisible(cm) { - resolveScrollToPos(cm); - var cur = cm.getCursor(), from = cur, to = cur; - if (!cm.options.lineWrapping) { - from = cur.ch ? Pos(cur.line, cur.ch - 1) : cur; - to = Pos(cur.line, cur.ch + 1); - } - cm.curOp.scrollToPos = {from: from, to: to, margin: cm.options.cursorScrollMargin, isCursor: true}; - } - - // When an operation has its scrollToPos property set, and another - // scroll action is applied before the end of the operation, this - // 'simulates' scrolling that position into view in a cheap way, so - // that the effect of intermediate scroll commands is not ignored. - function resolveScrollToPos(cm) { - var range = cm.curOp.scrollToPos; - if (range) { - cm.curOp.scrollToPos = null; - var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to); - var sPos = calculateScrollPos(cm, Math.min(from.left, to.left), - Math.min(from.top, to.top) - range.margin, - Math.max(from.right, to.right), - Math.max(from.bottom, to.bottom) + range.margin); - cm.scrollTo(sPos.scrollLeft, sPos.scrollTop); - } - } - - // API UTILITIES - - // Indent the given line. The how parameter can be "smart", - // "add"/null, "subtract", or "prev". When aggressive is false - // (typically set to true for forced single-line indents), empty - // lines are not indented, and places where the mode returns Pass - // are left alone. - function indentLine(cm, n, how, aggressive) { - var doc = cm.doc, state; - if (how == null) how = "add"; - if (how == "smart") { - // Fall back to "prev" when the mode doesn't have an indentation - // method. - if (!doc.mode.indent) how = "prev"; - else state = getStateBefore(cm, n); - } - - var tabSize = cm.options.tabSize; - var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize); - if (line.stateAfter) line.stateAfter = null; - var curSpaceString = line.text.match(/^\s*/)[0], indentation; - if (!aggressive && !/\S/.test(line.text)) { - indentation = 0; - how = "not"; - } else if (how == "smart") { - indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text); - if (indentation == Pass || indentation > 150) { - if (!aggressive) return; - how = "prev"; - } - } - if (how == "prev") { - if (n > doc.first) indentation = countColumn(getLine(doc, n-1).text, null, tabSize); - else indentation = 0; - } else if (how == "add") { - indentation = curSpace + cm.options.indentUnit; - } else if (how == "subtract") { - indentation = curSpace - cm.options.indentUnit; - } else if (typeof how == "number") { - indentation = curSpace + how; - } - indentation = Math.max(0, indentation); - - var indentString = "", pos = 0; - if (cm.options.indentWithTabs) - for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} - if (pos < indentation) indentString += spaceStr(indentation - pos); - - if (indentString != curSpaceString) { - replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input"); - line.stateAfter = null; - return true; - } else { - // Ensure that, if the cursor was in the whitespace at the start - // of the line, it is moved to the end of that space. - for (var i = 0; i < doc.sel.ranges.length; i++) { - var range = doc.sel.ranges[i]; - if (range.head.line == n && range.head.ch < curSpaceString.length) { - var pos = Pos(n, curSpaceString.length); - replaceOneSelection(doc, i, new Range(pos, pos)); - break; - } - } - } - } - - // Utility for applying a change to a line by handle or number, - // returning the number and optionally registering the line as - // changed. - function changeLine(doc, handle, changeType, op) { - var no = handle, line = handle; - if (typeof handle == "number") line = getLine(doc, clipLine(doc, handle)); - else no = lineNo(handle); - if (no == null) return null; - if (op(line, no) && doc.cm) regLineChange(doc.cm, no, changeType); - return line; - } - - // Helper for deleting text near the selection(s), used to implement - // backspace, delete, and similar functionality. - function deleteNearSelection(cm, compute) { - var ranges = cm.doc.sel.ranges, kill = []; - // Build up a set of ranges to kill first, merging overlapping - // ranges. - for (var i = 0; i < ranges.length; i++) { - var toKill = compute(ranges[i]); - while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) { - var replaced = kill.pop(); - if (cmp(replaced.from, toKill.from) < 0) { - toKill.from = replaced.from; - break; - } - } - kill.push(toKill); - } - // Next, remove those actual ranges. - runInOp(cm, function() { - for (var i = kill.length - 1; i >= 0; i--) - replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); - ensureCursorVisible(cm); - }); - } - - // Used for horizontal relative motion. Dir is -1 or 1 (left or - // right), unit can be "char", "column" (like char, but doesn't - // cross line boundaries), "word" (across next word), or "group" (to - // the start of next group of word or non-word-non-whitespace - // chars). The visually param controls whether, in right-to-left - // text, direction 1 means to move towards the next index in the - // string, or towards the character to the right of the current - // position. The resulting position will have a hitSide=true - // property if it reached the end of the document. - function findPosH(doc, pos, dir, unit, visually) { - var line = pos.line, ch = pos.ch, origDir = dir; - var lineObj = getLine(doc, line); - function findNextLine() { - var l = line + dir; - if (l < doc.first || l >= doc.first + doc.size) return false - line = l; - return lineObj = getLine(doc, l); - } - function moveOnce(boundToLine) { - var next = (visually ? moveVisually : moveLogically)(lineObj, ch, dir, true); - if (next == null) { - if (!boundToLine && findNextLine()) { - if (visually) ch = (dir < 0 ? lineRight : lineLeft)(lineObj); - else ch = dir < 0 ? lineObj.text.length : 0; - } else return false - } else ch = next; - return true; - } - - if (unit == "char") { - moveOnce() - } else if (unit == "column") { - moveOnce(true) - } else if (unit == "word" || unit == "group") { - var sawType = null, group = unit == "group"; - var helper = doc.cm && doc.cm.getHelper(pos, "wordChars"); - for (var first = true;; first = false) { - if (dir < 0 && !moveOnce(!first)) break; - var cur = lineObj.text.charAt(ch) || "\n"; - var type = isWordChar(cur, helper) ? "w" - : group && cur == "\n" ? "n" - : !group || /\s/.test(cur) ? null - : "p"; - if (group && !first && !type) type = "s"; - if (sawType && sawType != type) { - if (dir < 0) {dir = 1; moveOnce();} - break; - } - - if (type) sawType = type; - if (dir > 0 && !moveOnce(!first)) break; - } - } - var result = skipAtomic(doc, Pos(line, ch), pos, origDir, true); - if (!cmp(pos, result)) result.hitSide = true; - return result; - } - - // For relative vertical movement. Dir may be -1 or 1. Unit can be - // "page" or "line". The resulting position will have a hitSide=true - // property if it reached the end of the document. - function findPosV(cm, pos, dir, unit) { - var doc = cm.doc, x = pos.left, y; - if (unit == "page") { - var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight); - y = pos.top + dir * (pageSize - (dir < 0 ? 1.5 : .5) * textHeight(cm.display)); - } else if (unit == "line") { - y = dir > 0 ? pos.bottom + 3 : pos.top - 3; - } - for (;;) { - var target = coordsChar(cm, x, y); - if (!target.outside) break; - if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break; } - y += dir * 5; - } - return target; - } - - // EDITOR METHODS - - // The publicly visible API. Note that methodOp(f) means - // 'wrap f in an operation, performed on its `this` parameter'. - - // This is not the complete set of editor methods. Most of the - // methods defined on the Doc type are also injected into - // CodeMirror.prototype, for backwards compatibility and - // convenience. - - CodeMirror.prototype = { - constructor: CodeMirror, - focus: function(){window.focus(); this.display.input.focus();}, - - setOption: function(option, value) { - var options = this.options, old = options[option]; - if (options[option] == value && option != "mode") return; - options[option] = value; - if (optionHandlers.hasOwnProperty(option)) - operation(this, optionHandlers[option])(this, value, old); - }, - - getOption: function(option) {return this.options[option];}, - getDoc: function() {return this.doc;}, - - addKeyMap: function(map, bottom) { - this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map)); - }, - removeKeyMap: function(map) { - var maps = this.state.keyMaps; - for (var i = 0; i < maps.length; ++i) - if (maps[i] == map || maps[i].name == map) { - maps.splice(i, 1); - return true; - } - }, - - addOverlay: methodOp(function(spec, options) { - var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec); - if (mode.startState) throw new Error("Overlays may not be stateful."); - this.state.overlays.push({mode: mode, modeSpec: spec, opaque: options && options.opaque}); - this.state.modeGen++; - regChange(this); - }), - removeOverlay: methodOp(function(spec) { - var overlays = this.state.overlays; - for (var i = 0; i < overlays.length; ++i) { - var cur = overlays[i].modeSpec; - if (cur == spec || typeof spec == "string" && cur.name == spec) { - overlays.splice(i, 1); - this.state.modeGen++; - regChange(this); - return; - } - } - }), - - indentLine: methodOp(function(n, dir, aggressive) { - if (typeof dir != "string" && typeof dir != "number") { - if (dir == null) dir = this.options.smartIndent ? "smart" : "prev"; - else dir = dir ? "add" : "subtract"; - } - if (isLine(this.doc, n)) indentLine(this, n, dir, aggressive); - }), - indentSelection: methodOp(function(how) { - var ranges = this.doc.sel.ranges, end = -1; - for (var i = 0; i < ranges.length; i++) { - var range = ranges[i]; - if (!range.empty()) { - var from = range.from(), to = range.to(); - var start = Math.max(end, from.line); - end = Math.min(this.lastLine(), to.line - (to.ch ? 0 : 1)) + 1; - for (var j = start; j < end; ++j) - indentLine(this, j, how); - var newRanges = this.doc.sel.ranges; - if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0) - replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); - } else if (range.head.line > end) { - indentLine(this, range.head.line, how, true); - end = range.head.line; - if (i == this.doc.sel.primIndex) ensureCursorVisible(this); - } - } - }), - - // Fetch the parser token for a given character. Useful for hacks - // that want to inspect the mode state (say, for completion). - getTokenAt: function(pos, precise) { - return takeToken(this, pos, precise); - }, - - getLineTokens: function(line, precise) { - return takeToken(this, Pos(line), precise, true); - }, - - getTokenTypeAt: function(pos) { - pos = clipPos(this.doc, pos); - var styles = getLineStyles(this, getLine(this.doc, pos.line)); - var before = 0, after = (styles.length - 1) / 2, ch = pos.ch; - var type; - if (ch == 0) type = styles[2]; - else for (;;) { - var mid = (before + after) >> 1; - if ((mid ? styles[mid * 2 - 1] : 0) >= ch) after = mid; - else if (styles[mid * 2 + 1] < ch) before = mid + 1; - else { type = styles[mid * 2 + 2]; break; } - } - var cut = type ? type.indexOf("cm-overlay ") : -1; - return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1); - }, - - getModeAt: function(pos) { - var mode = this.doc.mode; - if (!mode.innerMode) return mode; - return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode; - }, - - getHelper: function(pos, type) { - return this.getHelpers(pos, type)[0]; - }, - - getHelpers: function(pos, type) { - var found = []; - if (!helpers.hasOwnProperty(type)) return found; - var help = helpers[type], mode = this.getModeAt(pos); - if (typeof mode[type] == "string") { - if (help[mode[type]]) found.push(help[mode[type]]); - } else if (mode[type]) { - for (var i = 0; i < mode[type].length; i++) { - var val = help[mode[type][i]]; - if (val) found.push(val); - } - } else if (mode.helperType && help[mode.helperType]) { - found.push(help[mode.helperType]); - } else if (help[mode.name]) { - found.push(help[mode.name]); - } - for (var i = 0; i < help._global.length; i++) { - var cur = help._global[i]; - if (cur.pred(mode, this) && indexOf(found, cur.val) == -1) - found.push(cur.val); - } - return found; - }, - - getStateAfter: function(line, precise) { - var doc = this.doc; - line = clipLine(doc, line == null ? doc.first + doc.size - 1: line); - return getStateBefore(this, line + 1, precise); - }, - - cursorCoords: function(start, mode) { - var pos, range = this.doc.sel.primary(); - if (start == null) pos = range.head; - else if (typeof start == "object") pos = clipPos(this.doc, start); - else pos = start ? range.from() : range.to(); - return cursorCoords(this, pos, mode || "page"); - }, - - charCoords: function(pos, mode) { - return charCoords(this, clipPos(this.doc, pos), mode || "page"); - }, - - coordsChar: function(coords, mode) { - coords = fromCoordSystem(this, coords, mode || "page"); - return coordsChar(this, coords.left, coords.top); - }, - - lineAtHeight: function(height, mode) { - height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top; - return lineAtHeight(this.doc, height + this.display.viewOffset); - }, - heightAtLine: function(line, mode) { - var end = false, lineObj; - if (typeof line == "number") { - var last = this.doc.first + this.doc.size - 1; - if (line < this.doc.first) line = this.doc.first; - else if (line > last) { line = last; end = true; } - lineObj = getLine(this.doc, line); - } else { - lineObj = line; - } - return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page").top + - (end ? this.doc.height - heightAtLine(lineObj) : 0); - }, - - defaultTextHeight: function() { return textHeight(this.display); }, - defaultCharWidth: function() { return charWidth(this.display); }, - - setGutterMarker: methodOp(function(line, gutterID, value) { - return changeLine(this.doc, line, "gutter", function(line) { - var markers = line.gutterMarkers || (line.gutterMarkers = {}); - markers[gutterID] = value; - if (!value && isEmpty(markers)) line.gutterMarkers = null; - return true; - }); - }), - - clearGutter: methodOp(function(gutterID) { - var cm = this, doc = cm.doc, i = doc.first; - doc.iter(function(line) { - if (line.gutterMarkers && line.gutterMarkers[gutterID]) { - line.gutterMarkers[gutterID] = null; - regLineChange(cm, i, "gutter"); - if (isEmpty(line.gutterMarkers)) line.gutterMarkers = null; - } - ++i; - }); - }), - - lineInfo: function(line) { - if (typeof line == "number") { - if (!isLine(this.doc, line)) return null; - var n = line; - line = getLine(this.doc, line); - if (!line) return null; - } else { - var n = lineNo(line); - if (n == null) return null; - } - return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers, - textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass, - widgets: line.widgets}; - }, - - getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo};}, - - addWidget: function(pos, node, scroll, vert, horiz) { - var display = this.display; - pos = cursorCoords(this, clipPos(this.doc, pos)); - var top = pos.bottom, left = pos.left; - node.style.position = "absolute"; - node.setAttribute("cm-ignore-events", "true"); - this.display.input.setUneditable(node); - display.sizer.appendChild(node); - if (vert == "over") { - top = pos.top; - } else if (vert == "above" || vert == "near") { - var vspace = Math.max(display.wrapper.clientHeight, this.doc.height), - hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth); - // Default to positioning above (if specified and possible); otherwise default to positioning below - if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight) - top = pos.top - node.offsetHeight; - else if (pos.bottom + node.offsetHeight <= vspace) - top = pos.bottom; - if (left + node.offsetWidth > hspace) - left = hspace - node.offsetWidth; - } - node.style.top = top + "px"; - node.style.left = node.style.right = ""; - if (horiz == "right") { - left = display.sizer.clientWidth - node.offsetWidth; - node.style.right = "0px"; - } else { - if (horiz == "left") left = 0; - else if (horiz == "middle") left = (display.sizer.clientWidth - node.offsetWidth) / 2; - node.style.left = left + "px"; - } - if (scroll) - scrollIntoView(this, left, top, left + node.offsetWidth, top + node.offsetHeight); - }, - - triggerOnKeyDown: methodOp(onKeyDown), - triggerOnKeyPress: methodOp(onKeyPress), - triggerOnKeyUp: onKeyUp, - - execCommand: function(cmd) { - if (commands.hasOwnProperty(cmd)) - return commands[cmd].call(null, this); - }, - - triggerElectric: methodOp(function(text) { triggerElectric(this, text); }), - - findPosH: function(from, amount, unit, visually) { - var dir = 1; - if (amount < 0) { dir = -1; amount = -amount; } - for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) { - cur = findPosH(this.doc, cur, dir, unit, visually); - if (cur.hitSide) break; - } - return cur; - }, - - moveH: methodOp(function(dir, unit) { - var cm = this; - cm.extendSelectionsBy(function(range) { - if (cm.display.shift || cm.doc.extend || range.empty()) - return findPosH(cm.doc, range.head, dir, unit, cm.options.rtlMoveVisually); - else - return dir < 0 ? range.from() : range.to(); - }, sel_move); - }), - - deleteH: methodOp(function(dir, unit) { - var sel = this.doc.sel, doc = this.doc; - if (sel.somethingSelected()) - doc.replaceSelection("", null, "+delete"); - else - deleteNearSelection(this, function(range) { - var other = findPosH(doc, range.head, dir, unit, false); - return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other}; - }); - }), - - findPosV: function(from, amount, unit, goalColumn) { - var dir = 1, x = goalColumn; - if (amount < 0) { dir = -1; amount = -amount; } - for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) { - var coords = cursorCoords(this, cur, "div"); - if (x == null) x = coords.left; - else coords.left = x; - cur = findPosV(this, coords, dir, unit); - if (cur.hitSide) break; - } - return cur; - }, - - moveV: methodOp(function(dir, unit) { - var cm = this, doc = this.doc, goals = []; - var collapse = !cm.display.shift && !doc.extend && doc.sel.somethingSelected(); - doc.extendSelectionsBy(function(range) { - if (collapse) - return dir < 0 ? range.from() : range.to(); - var headPos = cursorCoords(cm, range.head, "div"); - if (range.goalColumn != null) headPos.left = range.goalColumn; - goals.push(headPos.left); - var pos = findPosV(cm, headPos, dir, unit); - if (unit == "page" && range == doc.sel.primary()) - addToScrollPos(cm, null, charCoords(cm, pos, "div").top - headPos.top); - return pos; - }, sel_move); - if (goals.length) for (var i = 0; i < doc.sel.ranges.length; i++) - doc.sel.ranges[i].goalColumn = goals[i]; - }), - - // Find the word at the given position (as returned by coordsChar). - findWordAt: function(pos) { - var doc = this.doc, line = getLine(doc, pos.line).text; - var start = pos.ch, end = pos.ch; - if (line) { - var helper = this.getHelper(pos, "wordChars"); - if ((pos.xRel < 0 || end == line.length) && start) --start; else ++end; - var startChar = line.charAt(start); - var check = isWordChar(startChar, helper) - ? function(ch) { return isWordChar(ch, helper); } - : /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);} - : function(ch) {return !/\s/.test(ch) && !isWordChar(ch);}; - while (start > 0 && check(line.charAt(start - 1))) --start; - while (end < line.length && check(line.charAt(end))) ++end; - } - return new Range(Pos(pos.line, start), Pos(pos.line, end)); - }, - - toggleOverwrite: function(value) { - if (value != null && value == this.state.overwrite) return; - if (this.state.overwrite = !this.state.overwrite) - addClass(this.display.cursorDiv, "CodeMirror-overwrite"); - else - rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); - - signal(this, "overwriteToggle", this, this.state.overwrite); - }, - hasFocus: function() { return this.display.input.getField() == activeElt(); }, - isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit); }, - - scrollTo: methodOp(function(x, y) { - if (x != null || y != null) resolveScrollToPos(this); - if (x != null) this.curOp.scrollLeft = x; - if (y != null) this.curOp.scrollTop = y; - }), - getScrollInfo: function() { - var scroller = this.display.scroller; - return {left: scroller.scrollLeft, top: scroller.scrollTop, - height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight, - width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth, - clientHeight: displayHeight(this), clientWidth: displayWidth(this)}; - }, - - scrollIntoView: methodOp(function(range, margin) { - if (range == null) { - range = {from: this.doc.sel.primary().head, to: null}; - if (margin == null) margin = this.options.cursorScrollMargin; - } else if (typeof range == "number") { - range = {from: Pos(range, 0), to: null}; - } else if (range.from == null) { - range = {from: range, to: null}; - } - if (!range.to) range.to = range.from; - range.margin = margin || 0; - - if (range.from.line != null) { - resolveScrollToPos(this); - this.curOp.scrollToPos = range; - } else { - var sPos = calculateScrollPos(this, Math.min(range.from.left, range.to.left), - Math.min(range.from.top, range.to.top) - range.margin, - Math.max(range.from.right, range.to.right), - Math.max(range.from.bottom, range.to.bottom) + range.margin); - this.scrollTo(sPos.scrollLeft, sPos.scrollTop); - } - }), - - setSize: methodOp(function(width, height) { - var cm = this; - function interpret(val) { - return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; - } - if (width != null) cm.display.wrapper.style.width = interpret(width); - if (height != null) cm.display.wrapper.style.height = interpret(height); - if (cm.options.lineWrapping) clearLineMeasurementCache(this); - var lineNo = cm.display.viewFrom; - cm.doc.iter(lineNo, cm.display.viewTo, function(line) { - if (line.widgets) for (var i = 0; i < line.widgets.length; i++) - if (line.widgets[i].noHScroll) { regLineChange(cm, lineNo, "widget"); break; } - ++lineNo; - }); - cm.curOp.forceUpdate = true; - signal(cm, "refresh", this); - }), - - operation: function(f){return runInOp(this, f);}, - - refresh: methodOp(function() { - var oldHeight = this.display.cachedTextHeight; - regChange(this); - this.curOp.forceUpdate = true; - clearCaches(this); - this.scrollTo(this.doc.scrollLeft, this.doc.scrollTop); - updateGutterSpace(this); - if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5) - estimateLineHeights(this); - signal(this, "refresh", this); - }), - - swapDoc: methodOp(function(doc) { - var old = this.doc; - old.cm = null; - attachDoc(this, doc); - clearCaches(this); - this.display.input.reset(); - this.scrollTo(doc.scrollLeft, doc.scrollTop); - this.curOp.forceScroll = true; - signalLater(this, "swapDoc", this, old); - return old; - }), - - getInputField: function(){return this.display.input.getField();}, - getWrapperElement: function(){return this.display.wrapper;}, - getScrollerElement: function(){return this.display.scroller;}, - getGutterElement: function(){return this.display.gutters;} - }; - eventMixin(CodeMirror); - - // OPTION DEFAULTS - - // The default configuration options. - var defaults = CodeMirror.defaults = {}; - // Functions to run when options are changed. - var optionHandlers = CodeMirror.optionHandlers = {}; - - function option(name, deflt, handle, notOnInit) { - CodeMirror.defaults[name] = deflt; - if (handle) optionHandlers[name] = - notOnInit ? function(cm, val, old) {if (old != Init) handle(cm, val, old);} : handle; - } - - // Passed to option handlers when there is no old value. - var Init = CodeMirror.Init = {toString: function(){return "CodeMirror.Init";}}; - - // These two are, on init, called from the constructor because they - // have to be initialized before the editor can start at all. - option("value", "", function(cm, val) { - cm.setValue(val); - }, true); - option("mode", null, function(cm, val) { - cm.doc.modeOption = val; - loadMode(cm); - }, true); - - option("indentUnit", 2, loadMode, true); - option("indentWithTabs", false); - option("smartIndent", true); - option("tabSize", 4, function(cm) { - resetModeState(cm); - clearCaches(cm); - regChange(cm); - }, true); - option("lineSeparator", null, function(cm, val) { - cm.doc.lineSep = val; - if (!val) return; - var newBreaks = [], lineNo = cm.doc.first; - cm.doc.iter(function(line) { - for (var pos = 0;;) { - var found = line.text.indexOf(val, pos); - if (found == -1) break; - pos = found + val.length; - newBreaks.push(Pos(lineNo, found)); - } - lineNo++; - }); - for (var i = newBreaks.length - 1; i >= 0; i--) - replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)) - }); - option("specialChars", /[\t\u0000-\u0019\u00ad\u200b-\u200f\u2028\u2029\ufeff]/g, function(cm, val, old) { - cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g"); - if (old != CodeMirror.Init) cm.refresh(); - }); - option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function(cm) {cm.refresh();}, true); - option("electricChars", true); - option("inputStyle", mobile ? "contenteditable" : "textarea", function() { - throw new Error("inputStyle can not (yet) be changed in a running editor"); // FIXME - }, true); - option("rtlMoveVisually", !windows); - option("wholeLineUpdateBefore", true); - - option("theme", "default", function(cm) { - themeChanged(cm); - guttersChanged(cm); - }, true); - option("keyMap", "default", function(cm, val, old) { - var next = getKeyMap(val); - var prev = old != CodeMirror.Init && getKeyMap(old); - if (prev && prev.detach) prev.detach(cm, next); - if (next.attach) next.attach(cm, prev || null); - }); - option("extraKeys", null); - - option("lineWrapping", false, wrappingChanged, true); - option("gutters", [], function(cm) { - setGuttersForLineNumbers(cm.options); - guttersChanged(cm); - }, true); - option("fixedGutter", true, function(cm, val) { - cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0"; - cm.refresh(); - }, true); - option("coverGutterNextToScrollbar", false, function(cm) {updateScrollbars(cm);}, true); - option("scrollbarStyle", "native", function(cm) { - initScrollbars(cm); - updateScrollbars(cm); - cm.display.scrollbars.setScrollTop(cm.doc.scrollTop); - cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft); - }, true); - option("lineNumbers", false, function(cm) { - setGuttersForLineNumbers(cm.options); - guttersChanged(cm); - }, true); - option("firstLineNumber", 1, guttersChanged, true); - option("lineNumberFormatter", function(integer) {return integer;}, guttersChanged, true); - option("showCursorWhenSelecting", false, updateSelection, true); - - option("resetSelectionOnContextMenu", true); - option("lineWiseCopyCut", true); - - option("readOnly", false, function(cm, val) { - if (val == "nocursor") { - onBlur(cm); - cm.display.input.blur(); - cm.display.disabled = true; - } else { - cm.display.disabled = false; - } - cm.display.input.readOnlyChanged(val) - }); - option("disableInput", false, function(cm, val) {if (!val) cm.display.input.reset();}, true); - option("dragDrop", true, dragDropChanged); - option("allowDropFileTypes", null); - - option("cursorBlinkRate", 530); - option("cursorScrollMargin", 0); - option("cursorHeight", 1, updateSelection, true); - option("singleCursorHeightPerLine", true, updateSelection, true); - option("workTime", 100); - option("workDelay", 100); - option("flattenSpans", true, resetModeState, true); - option("addModeClass", false, resetModeState, true); - option("pollInterval", 100); - option("undoDepth", 200, function(cm, val){cm.doc.history.undoDepth = val;}); - option("historyEventDelay", 1250); - option("viewportMargin", 10, function(cm){cm.refresh();}, true); - option("maxHighlightLength", 10000, resetModeState, true); - option("moveInputWithCursor", true, function(cm, val) { - if (!val) cm.display.input.resetPosition(); - }); - - option("tabindex", null, function(cm, val) { - cm.display.input.getField().tabIndex = val || ""; - }); - option("autofocus", null); - - // MODE DEFINITION AND QUERYING - - // Known modes, by name and by MIME - var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {}; - - // Extra arguments are stored as the mode's dependencies, which is - // used by (legacy) mechanisms like loadmode.js to automatically - // load a mode. (Preferred mechanism is the require/define calls.) - CodeMirror.defineMode = function(name, mode) { - if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name; - if (arguments.length > 2) - mode.dependencies = Array.prototype.slice.call(arguments, 2); - modes[name] = mode; - }; - - CodeMirror.defineMIME = function(mime, spec) { - mimeModes[mime] = spec; - }; - - // Given a MIME type, a {name, ...options} config object, or a name - // string, return a mode config object. - CodeMirror.resolveMode = function(spec) { - if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) { - spec = mimeModes[spec]; - } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) { - var found = mimeModes[spec.name]; - if (typeof found == "string") found = {name: found}; - spec = createObj(found, spec); - spec.name = found.name; - } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) { - return CodeMirror.resolveMode("application/xml"); - } - if (typeof spec == "string") return {name: spec}; - else return spec || {name: "null"}; - }; - - // Given a mode spec (anything that resolveMode accepts), find and - // initialize an actual mode object. - CodeMirror.getMode = function(options, spec) { - var spec = CodeMirror.resolveMode(spec); - var mfactory = modes[spec.name]; - if (!mfactory) return CodeMirror.getMode(options, "text/plain"); - var modeObj = mfactory(options, spec); - if (modeExtensions.hasOwnProperty(spec.name)) { - var exts = modeExtensions[spec.name]; - for (var prop in exts) { - if (!exts.hasOwnProperty(prop)) continue; - if (modeObj.hasOwnProperty(prop)) modeObj["_" + prop] = modeObj[prop]; - modeObj[prop] = exts[prop]; - } - } - modeObj.name = spec.name; - if (spec.helperType) modeObj.helperType = spec.helperType; - if (spec.modeProps) for (var prop in spec.modeProps) - modeObj[prop] = spec.modeProps[prop]; - - return modeObj; - }; - - // Minimal default mode. - CodeMirror.defineMode("null", function() { - return {token: function(stream) {stream.skipToEnd();}}; - }); - CodeMirror.defineMIME("text/plain", "null"); - - // This can be used to attach properties to mode objects from - // outside the actual mode definition. - var modeExtensions = CodeMirror.modeExtensions = {}; - CodeMirror.extendMode = function(mode, properties) { - var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {}); - copyObj(properties, exts); - }; - - // EXTENSIONS - - CodeMirror.defineExtension = function(name, func) { - CodeMirror.prototype[name] = func; - }; - CodeMirror.defineDocExtension = function(name, func) { - Doc.prototype[name] = func; - }; - CodeMirror.defineOption = option; - - var initHooks = []; - CodeMirror.defineInitHook = function(f) {initHooks.push(f);}; - - var helpers = CodeMirror.helpers = {}; - CodeMirror.registerHelper = function(type, name, value) { - if (!helpers.hasOwnProperty(type)) helpers[type] = CodeMirror[type] = {_global: []}; - helpers[type][name] = value; - }; - CodeMirror.registerGlobalHelper = function(type, name, predicate, value) { - CodeMirror.registerHelper(type, name, value); - helpers[type]._global.push({pred: predicate, val: value}); - }; - - // MODE STATE HANDLING - - // Utility functions for working with state. Exported because nested - // modes need to do this for their inner modes. - - var copyState = CodeMirror.copyState = function(mode, state) { - if (state === true) return state; - if (mode.copyState) return mode.copyState(state); - var nstate = {}; - for (var n in state) { - var val = state[n]; - if (val instanceof Array) val = val.concat([]); - nstate[n] = val; - } - return nstate; - }; - - var startState = CodeMirror.startState = function(mode, a1, a2) { - return mode.startState ? mode.startState(a1, a2) : true; - }; - - // Given a mode and a state (for that mode), find the inner mode and - // state at the position that the state refers to. - CodeMirror.innerMode = function(mode, state) { - while (mode.innerMode) { - var info = mode.innerMode(state); - if (!info || info.mode == mode) break; - state = info.state; - mode = info.mode; - } - return info || {mode: mode, state: state}; - }; - - // STANDARD COMMANDS - - // Commands are parameter-less actions that can be performed on an - // editor, mostly used for keybindings. - var commands = CodeMirror.commands = { - selectAll: function(cm) {cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);}, - singleSelection: function(cm) { - cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); - }, - killLine: function(cm) { - deleteNearSelection(cm, function(range) { - if (range.empty()) { - var len = getLine(cm.doc, range.head.line).text.length; - if (range.head.ch == len && range.head.line < cm.lastLine()) - return {from: range.head, to: Pos(range.head.line + 1, 0)}; - else - return {from: range.head, to: Pos(range.head.line, len)}; - } else { - return {from: range.from(), to: range.to()}; - } - }); - }, - deleteLine: function(cm) { - deleteNearSelection(cm, function(range) { - return {from: Pos(range.from().line, 0), - to: clipPos(cm.doc, Pos(range.to().line + 1, 0))}; - }); - }, - delLineLeft: function(cm) { - deleteNearSelection(cm, function(range) { - return {from: Pos(range.from().line, 0), to: range.from()}; - }); - }, - delWrappedLineLeft: function(cm) { - deleteNearSelection(cm, function(range) { - var top = cm.charCoords(range.head, "div").top + 5; - var leftPos = cm.coordsChar({left: 0, top: top}, "div"); - return {from: leftPos, to: range.from()}; - }); - }, - delWrappedLineRight: function(cm) { - deleteNearSelection(cm, function(range) { - var top = cm.charCoords(range.head, "div").top + 5; - var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div"); - return {from: range.from(), to: rightPos }; - }); - }, - undo: function(cm) {cm.undo();}, - redo: function(cm) {cm.redo();}, - undoSelection: function(cm) {cm.undoSelection();}, - redoSelection: function(cm) {cm.redoSelection();}, - goDocStart: function(cm) {cm.extendSelection(Pos(cm.firstLine(), 0));}, - goDocEnd: function(cm) {cm.extendSelection(Pos(cm.lastLine()));}, - goLineStart: function(cm) { - cm.extendSelectionsBy(function(range) { return lineStart(cm, range.head.line); }, - {origin: "+move", bias: 1}); - }, - goLineStartSmart: function(cm) { - cm.extendSelectionsBy(function(range) { - return lineStartSmart(cm, range.head); - }, {origin: "+move", bias: 1}); - }, - goLineEnd: function(cm) { - cm.extendSelectionsBy(function(range) { return lineEnd(cm, range.head.line); }, - {origin: "+move", bias: -1}); - }, - goLineRight: function(cm) { - cm.extendSelectionsBy(function(range) { - var top = cm.charCoords(range.head, "div").top + 5; - return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div"); - }, sel_move); - }, - goLineLeft: function(cm) { - cm.extendSelectionsBy(function(range) { - var top = cm.charCoords(range.head, "div").top + 5; - return cm.coordsChar({left: 0, top: top}, "div"); - }, sel_move); - }, - goLineLeftSmart: function(cm) { - cm.extendSelectionsBy(function(range) { - var top = cm.charCoords(range.head, "div").top + 5; - var pos = cm.coordsChar({left: 0, top: top}, "div"); - if (pos.ch < cm.getLine(pos.line).search(/\S/)) return lineStartSmart(cm, range.head); - return pos; - }, sel_move); - }, - goLineUp: function(cm) {cm.moveV(-1, "line");}, - goLineDown: function(cm) {cm.moveV(1, "line");}, - goPageUp: function(cm) {cm.moveV(-1, "page");}, - goPageDown: function(cm) {cm.moveV(1, "page");}, - goCharLeft: function(cm) {cm.moveH(-1, "char");}, - goCharRight: function(cm) {cm.moveH(1, "char");}, - goColumnLeft: function(cm) {cm.moveH(-1, "column");}, - goColumnRight: function(cm) {cm.moveH(1, "column");}, - goWordLeft: function(cm) {cm.moveH(-1, "word");}, - goGroupRight: function(cm) {cm.moveH(1, "group");}, - goGroupLeft: function(cm) {cm.moveH(-1, "group");}, - goWordRight: function(cm) {cm.moveH(1, "word");}, - delCharBefore: function(cm) {cm.deleteH(-1, "char");}, - delCharAfter: function(cm) {cm.deleteH(1, "char");}, - delWordBefore: function(cm) {cm.deleteH(-1, "word");}, - delWordAfter: function(cm) {cm.deleteH(1, "word");}, - delGroupBefore: function(cm) {cm.deleteH(-1, "group");}, - delGroupAfter: function(cm) {cm.deleteH(1, "group");}, - indentAuto: function(cm) {cm.indentSelection("smart");}, - indentMore: function(cm) {cm.indentSelection("add");}, - indentLess: function(cm) {cm.indentSelection("subtract");}, - insertTab: function(cm) {cm.replaceSelection("\t");}, - insertSoftTab: function(cm) { - var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize; - for (var i = 0; i < ranges.length; i++) { - var pos = ranges[i].from(); - var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize); - spaces.push(new Array(tabSize - col % tabSize + 1).join(" ")); - } - cm.replaceSelections(spaces); - }, - defaultTab: function(cm) { - if (cm.somethingSelected()) cm.indentSelection("add"); - else cm.execCommand("insertTab"); - }, - transposeChars: function(cm) { - runInOp(cm, function() { - var ranges = cm.listSelections(), newSel = []; - for (var i = 0; i < ranges.length; i++) { - var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text; - if (line) { - if (cur.ch == line.length) cur = new Pos(cur.line, cur.ch - 1); - if (cur.ch > 0) { - cur = new Pos(cur.line, cur.ch + 1); - cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2), - Pos(cur.line, cur.ch - 2), cur, "+transpose"); - } else if (cur.line > cm.doc.first) { - var prev = getLine(cm.doc, cur.line - 1).text; - if (prev) - cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() + - prev.charAt(prev.length - 1), - Pos(cur.line - 1, prev.length - 1), Pos(cur.line, 1), "+transpose"); - } - } - newSel.push(new Range(cur, cur)); - } - cm.setSelections(newSel); - }); - }, - newlineAndIndent: function(cm) { - runInOp(cm, function() { - var len = cm.listSelections().length; - for (var i = 0; i < len; i++) { - var range = cm.listSelections()[i]; - cm.replaceRange(cm.doc.lineSeparator(), range.anchor, range.head, "+input"); - cm.indentLine(range.from().line + 1, null, true); - } - ensureCursorVisible(cm); - }); - }, - toggleOverwrite: function(cm) {cm.toggleOverwrite();} - }; - - - // STANDARD KEYMAPS - - var keyMap = CodeMirror.keyMap = {}; - - keyMap.basic = { - "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", - "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", - "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore", - "Tab": "defaultTab", "Shift-Tab": "indentAuto", - "Enter": "newlineAndIndent", "Insert": "toggleOverwrite", - "Esc": "singleSelection" - }; - // Note that the save and find-related commands aren't defined by - // default. User code or addons can define them. Unknown commands - // are simply ignored. - keyMap.pcDefault = { - "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", - "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown", - "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", - "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find", - "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", - "Ctrl-[": "indentLess", "Ctrl-]": "indentMore", - "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection", - fallthrough: "basic" - }; - // Very basic readline/emacs-style bindings, which are standard on Mac. - keyMap.emacsy = { - "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", - "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", - "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore", - "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars" - }; - keyMap.macDefault = { - "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", - "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft", - "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore", - "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find", - "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", - "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight", - "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd", - fallthrough: ["basic", "emacsy"] - }; - keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault; - - // KEYMAP DISPATCH - - function normalizeKeyName(name) { - var parts = name.split(/-(?!$)/), name = parts[parts.length - 1]; - var alt, ctrl, shift, cmd; - for (var i = 0; i < parts.length - 1; i++) { - var mod = parts[i]; - if (/^(cmd|meta|m)$/i.test(mod)) cmd = true; - else if (/^a(lt)?$/i.test(mod)) alt = true; - else if (/^(c|ctrl|control)$/i.test(mod)) ctrl = true; - else if (/^s(hift)$/i.test(mod)) shift = true; - else throw new Error("Unrecognized modifier name: " + mod); - } - if (alt) name = "Alt-" + name; - if (ctrl) name = "Ctrl-" + name; - if (cmd) name = "Cmd-" + name; - if (shift) name = "Shift-" + name; - return name; - } - - // This is a kludge to keep keymaps mostly working as raw objects - // (backwards compatibility) while at the same time support features - // like normalization and multi-stroke key bindings. It compiles a - // new normalized keymap, and then updates the old object to reflect - // this. - CodeMirror.normalizeKeyMap = function(keymap) { - var copy = {}; - for (var keyname in keymap) if (keymap.hasOwnProperty(keyname)) { - var value = keymap[keyname]; - if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) continue; - if (value == "...") { delete keymap[keyname]; continue; } - - var keys = map(keyname.split(" "), normalizeKeyName); - for (var i = 0; i < keys.length; i++) { - var val, name; - if (i == keys.length - 1) { - name = keys.join(" "); - val = value; - } else { - name = keys.slice(0, i + 1).join(" "); - val = "..."; - } - var prev = copy[name]; - if (!prev) copy[name] = val; - else if (prev != val) throw new Error("Inconsistent bindings for " + name); - } - delete keymap[keyname]; - } - for (var prop in copy) keymap[prop] = copy[prop]; - return keymap; - }; - - var lookupKey = CodeMirror.lookupKey = function(key, map, handle, context) { - map = getKeyMap(map); - var found = map.call ? map.call(key, context) : map[key]; - if (found === false) return "nothing"; - if (found === "...") return "multi"; - if (found != null && handle(found)) return "handled"; - - if (map.fallthrough) { - if (Object.prototype.toString.call(map.fallthrough) != "[object Array]") - return lookupKey(key, map.fallthrough, handle, context); - for (var i = 0; i < map.fallthrough.length; i++) { - var result = lookupKey(key, map.fallthrough[i], handle, context); - if (result) return result; - } - } - }; - - // Modifier key presses don't count as 'real' key presses for the - // purpose of keymap fallthrough. - var isModifierKey = CodeMirror.isModifierKey = function(value) { - var name = typeof value == "string" ? value : keyNames[value.keyCode]; - return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"; - }; - - // Look up the name of a key as indicated by an event object. - var keyName = CodeMirror.keyName = function(event, noShift) { - if (presto && event.keyCode == 34 && event["char"]) return false; - var base = keyNames[event.keyCode], name = base; - if (name == null || event.altGraphKey) return false; - if (event.altKey && base != "Alt") name = "Alt-" + name; - if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") name = "Ctrl-" + name; - if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") name = "Cmd-" + name; - if (!noShift && event.shiftKey && base != "Shift") name = "Shift-" + name; - return name; - }; - - function getKeyMap(val) { - return typeof val == "string" ? keyMap[val] : val; - } - - // FROMTEXTAREA - - CodeMirror.fromTextArea = function(textarea, options) { - options = options ? copyObj(options) : {}; - options.value = textarea.value; - if (!options.tabindex && textarea.tabIndex) - options.tabindex = textarea.tabIndex; - if (!options.placeholder && textarea.placeholder) - options.placeholder = textarea.placeholder; - // Set autofocus to true if this textarea is focused, or if it has - // autofocus and no other element is focused. - if (options.autofocus == null) { - var hasFocus = activeElt(); - options.autofocus = hasFocus == textarea || - textarea.getAttribute("autofocus") != null && hasFocus == document.body; - } - - function save() {textarea.value = cm.getValue();} - if (textarea.form) { - on(textarea.form, "submit", save); - // Deplorable hack to make the submit method do the right thing. - if (!options.leaveSubmitMethodAlone) { - var form = textarea.form, realSubmit = form.submit; - try { - var wrappedSubmit = form.submit = function() { - save(); - form.submit = realSubmit; - form.submit(); - form.submit = wrappedSubmit; - }; - } catch(e) {} - } - } - - options.finishInit = function(cm) { - cm.save = save; - cm.getTextArea = function() { return textarea; }; - cm.toTextArea = function() { - cm.toTextArea = isNaN; // Prevent this from being ran twice - save(); - textarea.parentNode.removeChild(cm.getWrapperElement()); - textarea.style.display = ""; - if (textarea.form) { - off(textarea.form, "submit", save); - if (typeof textarea.form.submit == "function") - textarea.form.submit = realSubmit; - } - }; - }; - - textarea.style.display = "none"; - var cm = CodeMirror(function(node) { - textarea.parentNode.insertBefore(node, textarea.nextSibling); - }, options); - return cm; - }; - - // STRING STREAM - - // Fed to the mode parsers, provides helper functions to make - // parsers more succinct. - - var StringStream = CodeMirror.StringStream = function(string, tabSize) { - this.pos = this.start = 0; - this.string = string; - this.tabSize = tabSize || 8; - this.lastColumnPos = this.lastColumnValue = 0; - this.lineStart = 0; - }; - - StringStream.prototype = { - eol: function() {return this.pos >= this.string.length;}, - sol: function() {return this.pos == this.lineStart;}, - peek: function() {return this.string.charAt(this.pos) || undefined;}, - next: function() { - if (this.pos < this.string.length) - return this.string.charAt(this.pos++); - }, - eat: function(match) { - var ch = this.string.charAt(this.pos); - if (typeof match == "string") var ok = ch == match; - else var ok = ch && (match.test ? match.test(ch) : match(ch)); - if (ok) {++this.pos; return ch;} - }, - eatWhile: function(match) { - var start = this.pos; - while (this.eat(match)){} - return this.pos > start; - }, - eatSpace: function() { - var start = this.pos; - while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos; - return this.pos > start; - }, - skipToEnd: function() {this.pos = this.string.length;}, - skipTo: function(ch) { - var found = this.string.indexOf(ch, this.pos); - if (found > -1) {this.pos = found; return true;} - }, - backUp: function(n) {this.pos -= n;}, - column: function() { - if (this.lastColumnPos < this.start) { - this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue); - this.lastColumnPos = this.start; - } - return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0); - }, - indentation: function() { - return countColumn(this.string, null, this.tabSize) - - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0); - }, - match: function(pattern, consume, caseInsensitive) { - if (typeof pattern == "string") { - var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;}; - var substr = this.string.substr(this.pos, pattern.length); - if (cased(substr) == cased(pattern)) { - if (consume !== false) this.pos += pattern.length; - return true; - } - } else { - var match = this.string.slice(this.pos).match(pattern); - if (match && match.index > 0) return null; - if (match && consume !== false) this.pos += match[0].length; - return match; - } - }, - current: function(){return this.string.slice(this.start, this.pos);}, - hideFirstChars: function(n, inner) { - this.lineStart += n; - try { return inner(); } - finally { this.lineStart -= n; } - } - }; - - // TEXTMARKERS - - // Created with markText and setBookmark methods. A TextMarker is a - // handle that can be used to clear or find a marked position in the - // document. Line objects hold arrays (markedSpans) containing - // {from, to, marker} object pointing to such marker objects, and - // indicating that such a marker is present on that line. Multiple - // lines may point to the same marker when it spans across lines. - // The spans will have null for their from/to properties when the - // marker continues beyond the start/end of the line. Markers have - // links back to the lines they currently touch. - - var nextMarkerId = 0; - - var TextMarker = CodeMirror.TextMarker = function(doc, type) { - this.lines = []; - this.type = type; - this.doc = doc; - this.id = ++nextMarkerId; - }; - eventMixin(TextMarker); - - // Clear the marker. - TextMarker.prototype.clear = function() { - if (this.explicitlyCleared) return; - var cm = this.doc.cm, withOp = cm && !cm.curOp; - if (withOp) startOperation(cm); - if (hasHandler(this, "clear")) { - var found = this.find(); - if (found) signalLater(this, "clear", found.from, found.to); - } - var min = null, max = null; - for (var i = 0; i < this.lines.length; ++i) { - var line = this.lines[i]; - var span = getMarkedSpanFor(line.markedSpans, this); - if (cm && !this.collapsed) regLineChange(cm, lineNo(line), "text"); - else if (cm) { - if (span.to != null) max = lineNo(line); - if (span.from != null) min = lineNo(line); - } - line.markedSpans = removeMarkedSpan(line.markedSpans, span); - if (span.from == null && this.collapsed && !lineIsHidden(this.doc, line) && cm) - updateLineHeight(line, textHeight(cm.display)); - } - if (cm && this.collapsed && !cm.options.lineWrapping) for (var i = 0; i < this.lines.length; ++i) { - var visual = visualLine(this.lines[i]), len = lineLength(visual); - if (len > cm.display.maxLineLength) { - cm.display.maxLine = visual; - cm.display.maxLineLength = len; - cm.display.maxLineChanged = true; - } - } - - if (min != null && cm && this.collapsed) regChange(cm, min, max + 1); - this.lines.length = 0; - this.explicitlyCleared = true; - if (this.atomic && this.doc.cantEdit) { - this.doc.cantEdit = false; - if (cm) reCheckSelection(cm.doc); - } - if (cm) signalLater(cm, "markerCleared", cm, this); - if (withOp) endOperation(cm); - if (this.parent) this.parent.clear(); - }; - - // Find the position of the marker in the document. Returns a {from, - // to} object by default. Side can be passed to get a specific side - // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the - // Pos objects returned contain a line object, rather than a line - // number (used to prevent looking up the same line twice). - TextMarker.prototype.find = function(side, lineObj) { - if (side == null && this.type == "bookmark") side = 1; - var from, to; - for (var i = 0; i < this.lines.length; ++i) { - var line = this.lines[i]; - var span = getMarkedSpanFor(line.markedSpans, this); - if (span.from != null) { - from = Pos(lineObj ? line : lineNo(line), span.from); - if (side == -1) return from; - } - if (span.to != null) { - to = Pos(lineObj ? line : lineNo(line), span.to); - if (side == 1) return to; - } - } - return from && {from: from, to: to}; - }; - - // Signals that the marker's widget changed, and surrounding layout - // should be recomputed. - TextMarker.prototype.changed = function() { - var pos = this.find(-1, true), widget = this, cm = this.doc.cm; - if (!pos || !cm) return; - runInOp(cm, function() { - var line = pos.line, lineN = lineNo(pos.line); - var view = findViewForLine(cm, lineN); - if (view) { - clearLineMeasurementCacheFor(view); - cm.curOp.selectionChanged = cm.curOp.forceUpdate = true; - } - cm.curOp.updateMaxLine = true; - if (!lineIsHidden(widget.doc, line) && widget.height != null) { - var oldHeight = widget.height; - widget.height = null; - var dHeight = widgetHeight(widget) - oldHeight; - if (dHeight) - updateLineHeight(line, line.height + dHeight); - } - }); - }; - - TextMarker.prototype.attachLine = function(line) { - if (!this.lines.length && this.doc.cm) { - var op = this.doc.cm.curOp; - if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1) - (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); - } - this.lines.push(line); - }; - TextMarker.prototype.detachLine = function(line) { - this.lines.splice(indexOf(this.lines, line), 1); - if (!this.lines.length && this.doc.cm) { - var op = this.doc.cm.curOp; - (op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this); - } - }; - - // Collapsed markers have unique ids, in order to be able to order - // them, which is needed for uniquely determining an outer marker - // when they overlap (they may nest, but not partially overlap). - var nextMarkerId = 0; - - // Create a marker, wire it up to the right lines, and - function markText(doc, from, to, options, type) { - // Shared markers (across linked documents) are handled separately - // (markTextShared will call out to this again, once per - // document). - if (options && options.shared) return markTextShared(doc, from, to, options, type); - // Ensure we are in an operation. - if (doc.cm && !doc.cm.curOp) return operation(doc.cm, markText)(doc, from, to, options, type); - - var marker = new TextMarker(doc, type), diff = cmp(from, to); - if (options) copyObj(options, marker, false); - // Don't connect empty markers unless clearWhenEmpty is false - if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false) - return marker; - if (marker.replacedWith) { - // Showing up as a widget implies collapsed (widget replaces text) - marker.collapsed = true; - marker.widgetNode = elt("span", [marker.replacedWith], "CodeMirror-widget"); - if (!options.handleMouseEvents) marker.widgetNode.setAttribute("cm-ignore-events", "true"); - if (options.insertLeft) marker.widgetNode.insertLeft = true; - } - if (marker.collapsed) { - if (conflictingCollapsedRange(doc, from.line, from, to, marker) || - from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker)) - throw new Error("Inserting collapsed marker partially overlapping an existing one"); - sawCollapsedSpans = true; - } - - if (marker.addToHistory) - addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); - - var curLine = from.line, cm = doc.cm, updateMaxLine; - doc.iter(curLine, to.line + 1, function(line) { - if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine) - updateMaxLine = true; - if (marker.collapsed && curLine != from.line) updateLineHeight(line, 0); - addMarkedSpan(line, new MarkedSpan(marker, - curLine == from.line ? from.ch : null, - curLine == to.line ? to.ch : null)); - ++curLine; - }); - // lineIsHidden depends on the presence of the spans, so needs a second pass - if (marker.collapsed) doc.iter(from.line, to.line + 1, function(line) { - if (lineIsHidden(doc, line)) updateLineHeight(line, 0); - }); - - if (marker.clearOnEnter) on(marker, "beforeCursorEnter", function() { marker.clear(); }); - - if (marker.readOnly) { - sawReadOnlySpans = true; - if (doc.history.done.length || doc.history.undone.length) - doc.clearHistory(); - } - if (marker.collapsed) { - marker.id = ++nextMarkerId; - marker.atomic = true; - } - if (cm) { - // Sync editor state - if (updateMaxLine) cm.curOp.updateMaxLine = true; - if (marker.collapsed) - regChange(cm, from.line, to.line + 1); - else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css) - for (var i = from.line; i <= to.line; i++) regLineChange(cm, i, "text"); - if (marker.atomic) reCheckSelection(cm.doc); - signalLater(cm, "markerAdded", cm, marker); - } - return marker; - } - - // SHARED TEXTMARKERS - - // A shared marker spans multiple linked documents. It is - // implemented as a meta-marker-object controlling multiple normal - // markers. - var SharedTextMarker = CodeMirror.SharedTextMarker = function(markers, primary) { - this.markers = markers; - this.primary = primary; - for (var i = 0; i < markers.length; ++i) - markers[i].parent = this; - }; - eventMixin(SharedTextMarker); - - SharedTextMarker.prototype.clear = function() { - if (this.explicitlyCleared) return; - this.explicitlyCleared = true; - for (var i = 0; i < this.markers.length; ++i) - this.markers[i].clear(); - signalLater(this, "clear"); - }; - SharedTextMarker.prototype.find = function(side, lineObj) { - return this.primary.find(side, lineObj); - }; - - function markTextShared(doc, from, to, options, type) { - options = copyObj(options); - options.shared = false; - var markers = [markText(doc, from, to, options, type)], primary = markers[0]; - var widget = options.widgetNode; - linkedDocs(doc, function(doc) { - if (widget) options.widgetNode = widget.cloneNode(true); - markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type)); - for (var i = 0; i < doc.linked.length; ++i) - if (doc.linked[i].isParent) return; - primary = lst(markers); - }); - return new SharedTextMarker(markers, primary); - } - - function findSharedMarkers(doc) { - return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), - function(m) { return m.parent; }); - } - - function copySharedMarkers(doc, markers) { - for (var i = 0; i < markers.length; i++) { - var marker = markers[i], pos = marker.find(); - var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to); - if (cmp(mFrom, mTo)) { - var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type); - marker.markers.push(subMark); - subMark.parent = marker; - } - } - } - - function detachSharedMarkers(markers) { - for (var i = 0; i < markers.length; i++) { - var marker = markers[i], linked = [marker.primary.doc];; - linkedDocs(marker.primary.doc, function(d) { linked.push(d); }); - for (var j = 0; j < marker.markers.length; j++) { - var subMarker = marker.markers[j]; - if (indexOf(linked, subMarker.doc) == -1) { - subMarker.parent = null; - marker.markers.splice(j--, 1); - } - } - } - } - - // TEXTMARKER SPANS - - function MarkedSpan(marker, from, to) { - this.marker = marker; - this.from = from; this.to = to; - } - - // Search an array of spans for a span matching the given marker. - function getMarkedSpanFor(spans, marker) { - if (spans) for (var i = 0; i < spans.length; ++i) { - var span = spans[i]; - if (span.marker == marker) return span; - } - } - // Remove a span from an array, returning undefined if no spans are - // left (we don't store arrays for lines without spans). - function removeMarkedSpan(spans, span) { - for (var r, i = 0; i < spans.length; ++i) - if (spans[i] != span) (r || (r = [])).push(spans[i]); - return r; - } - // Add a span to a line. - function addMarkedSpan(line, span) { - line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span]; - span.marker.attachLine(line); - } - - // Used for the algorithm that adjusts markers for a change in the - // document. These functions cut an array of spans at a given - // character position, returning an array of remaining chunks (or - // undefined if nothing remains). - function markedSpansBefore(old, startCh, isInsert) { - if (old) for (var i = 0, nw; i < old.length; ++i) { - var span = old[i], marker = span.marker; - var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh); - if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) { - var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh); - (nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to)); - } - } - return nw; - } - function markedSpansAfter(old, endCh, isInsert) { - if (old) for (var i = 0, nw; i < old.length; ++i) { - var span = old[i], marker = span.marker; - var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh); - if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) { - var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh); - (nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh, - span.to == null ? null : span.to - endCh)); - } - } - return nw; - } - - // Given a change object, compute the new set of marker spans that - // cover the line in which the change took place. Removes spans - // entirely within the change, reconnects spans belonging to the - // same marker that appear on both sides of the change, and cuts off - // spans partially within the change. Returns an array of span - // arrays with one element for each line in (after) the change. - function stretchSpansOverChange(doc, change) { - if (change.full) return null; - var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans; - var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans; - if (!oldFirst && !oldLast) return null; - - var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0; - // Get the spans that 'stick out' on both sides - var first = markedSpansBefore(oldFirst, startCh, isInsert); - var last = markedSpansAfter(oldLast, endCh, isInsert); - - // Next, merge those two ends - var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0); - if (first) { - // Fix up .to properties of first - for (var i = 0; i < first.length; ++i) { - var span = first[i]; - if (span.to == null) { - var found = getMarkedSpanFor(last, span.marker); - if (!found) span.to = startCh; - else if (sameLine) span.to = found.to == null ? null : found.to + offset; - } - } - } - if (last) { - // Fix up .from in last (or move them into first in case of sameLine) - for (var i = 0; i < last.length; ++i) { - var span = last[i]; - if (span.to != null) span.to += offset; - if (span.from == null) { - var found = getMarkedSpanFor(first, span.marker); - if (!found) { - span.from = offset; - if (sameLine) (first || (first = [])).push(span); - } - } else { - span.from += offset; - if (sameLine) (first || (first = [])).push(span); - } - } - } - // Make sure we didn't create any zero-length spans - if (first) first = clearEmptySpans(first); - if (last && last != first) last = clearEmptySpans(last); - - var newMarkers = [first]; - if (!sameLine) { - // Fill gap with whole-line-spans - var gap = change.text.length - 2, gapMarkers; - if (gap > 0 && first) - for (var i = 0; i < first.length; ++i) - if (first[i].to == null) - (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i].marker, null, null)); - for (var i = 0; i < gap; ++i) - newMarkers.push(gapMarkers); - newMarkers.push(last); - } - return newMarkers; - } - - // Remove spans that are empty and don't have a clearWhenEmpty - // option of false. - function clearEmptySpans(spans) { - for (var i = 0; i < spans.length; ++i) { - var span = spans[i]; - if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false) - spans.splice(i--, 1); - } - if (!spans.length) return null; - return spans; - } - - // Used for un/re-doing changes from the history. Combines the - // result of computing the existing spans with the set of spans that - // existed in the history (so that deleting around a span and then - // undoing brings back the span). - function mergeOldSpans(doc, change) { - var old = getOldSpans(doc, change); - var stretched = stretchSpansOverChange(doc, change); - if (!old) return stretched; - if (!stretched) return old; - - for (var i = 0; i < old.length; ++i) { - var oldCur = old[i], stretchCur = stretched[i]; - if (oldCur && stretchCur) { - spans: for (var j = 0; j < stretchCur.length; ++j) { - var span = stretchCur[j]; - for (var k = 0; k < oldCur.length; ++k) - if (oldCur[k].marker == span.marker) continue spans; - oldCur.push(span); - } - } else if (stretchCur) { - old[i] = stretchCur; - } - } - return old; - } - - // Used to 'clip' out readOnly ranges when making a change. - function removeReadOnlyRanges(doc, from, to) { - var markers = null; - doc.iter(from.line, to.line + 1, function(line) { - if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) { - var mark = line.markedSpans[i].marker; - if (mark.readOnly && (!markers || indexOf(markers, mark) == -1)) - (markers || (markers = [])).push(mark); - } - }); - if (!markers) return null; - var parts = [{from: from, to: to}]; - for (var i = 0; i < markers.length; ++i) { - var mk = markers[i], m = mk.find(0); - for (var j = 0; j < parts.length; ++j) { - var p = parts[j]; - if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) continue; - var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to); - if (dfrom < 0 || !mk.inclusiveLeft && !dfrom) - newParts.push({from: p.from, to: m.from}); - if (dto > 0 || !mk.inclusiveRight && !dto) - newParts.push({from: m.to, to: p.to}); - parts.splice.apply(parts, newParts); - j += newParts.length - 1; - } - } - return parts; - } - - // Connect or disconnect spans from a line. - function detachMarkedSpans(line) { - var spans = line.markedSpans; - if (!spans) return; - for (var i = 0; i < spans.length; ++i) - spans[i].marker.detachLine(line); - line.markedSpans = null; - } - function attachMarkedSpans(line, spans) { - if (!spans) return; - for (var i = 0; i < spans.length; ++i) - spans[i].marker.attachLine(line); - line.markedSpans = spans; - } - - // Helpers used when computing which overlapping collapsed span - // counts as the larger one. - function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0; } - function extraRight(marker) { return marker.inclusiveRight ? 1 : 0; } - - // Returns a number indicating which of two overlapping collapsed - // spans is larger (and thus includes the other). Falls back to - // comparing ids when the spans cover exactly the same range. - function compareCollapsedMarkers(a, b) { - var lenDiff = a.lines.length - b.lines.length; - if (lenDiff != 0) return lenDiff; - var aPos = a.find(), bPos = b.find(); - var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b); - if (fromCmp) return -fromCmp; - var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b); - if (toCmp) return toCmp; - return b.id - a.id; - } - - // Find out whether a line ends or starts in a collapsed span. If - // so, return the marker for that span. - function collapsedSpanAtSide(line, start) { - var sps = sawCollapsedSpans && line.markedSpans, found; - if (sps) for (var sp, i = 0; i < sps.length; ++i) { - sp = sps[i]; - if (sp.marker.collapsed && (start ? sp.from : sp.to) == null && - (!found || compareCollapsedMarkers(found, sp.marker) < 0)) - found = sp.marker; - } - return found; - } - function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true); } - function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false); } - - // Test whether there exists a collapsed span that partially - // overlaps (covers the start or end, but not both) of a new span. - // Such overlap is not allowed. - function conflictingCollapsedRange(doc, lineNo, from, to, marker) { - var line = getLine(doc, lineNo); - var sps = sawCollapsedSpans && line.markedSpans; - if (sps) for (var i = 0; i < sps.length; ++i) { - var sp = sps[i]; - if (!sp.marker.collapsed) continue; - var found = sp.marker.find(0); - var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker); - var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker); - if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) continue; - if (fromCmp <= 0 && (cmp(found.to, from) > 0 || (sp.marker.inclusiveRight && marker.inclusiveLeft)) || - fromCmp >= 0 && (cmp(found.from, to) < 0 || (sp.marker.inclusiveLeft && marker.inclusiveRight))) - return true; - } - } - - // A visual line is a line as drawn on the screen. Folding, for - // example, can cause multiple logical lines to appear on the same - // visual line. This finds the start of the visual line that the - // given line is part of (usually that is the line itself). - function visualLine(line) { - var merged; - while (merged = collapsedSpanAtStart(line)) - line = merged.find(-1, true).line; - return line; - } - - // Returns an array of logical lines that continue the visual line - // started by the argument, or undefined if there are no such lines. - function visualLineContinued(line) { - var merged, lines; - while (merged = collapsedSpanAtEnd(line)) { - line = merged.find(1, true).line; - (lines || (lines = [])).push(line); - } - return lines; - } - - // Get the line number of the start of the visual line that the - // given line number is part of. - function visualLineNo(doc, lineN) { - var line = getLine(doc, lineN), vis = visualLine(line); - if (line == vis) return lineN; - return lineNo(vis); - } - // Get the line number of the start of the next visual line after - // the given line. - function visualLineEndNo(doc, lineN) { - if (lineN > doc.lastLine()) return lineN; - var line = getLine(doc, lineN), merged; - if (!lineIsHidden(doc, line)) return lineN; - while (merged = collapsedSpanAtEnd(line)) - line = merged.find(1, true).line; - return lineNo(line) + 1; - } - - // Compute whether a line is hidden. Lines count as hidden when they - // are part of a visual line that starts with another line, or when - // they are entirely covered by collapsed, non-widget span. - function lineIsHidden(doc, line) { - var sps = sawCollapsedSpans && line.markedSpans; - if (sps) for (var sp, i = 0; i < sps.length; ++i) { - sp = sps[i]; - if (!sp.marker.collapsed) continue; - if (sp.from == null) return true; - if (sp.marker.widgetNode) continue; - if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp)) - return true; - } - } - function lineIsHiddenInner(doc, line, span) { - if (span.to == null) { - var end = span.marker.find(1, true); - return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker)); - } - if (span.marker.inclusiveRight && span.to == line.text.length) - return true; - for (var sp, i = 0; i < line.markedSpans.length; ++i) { - sp = line.markedSpans[i]; - if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to && - (sp.to == null || sp.to != span.from) && - (sp.marker.inclusiveLeft || span.marker.inclusiveRight) && - lineIsHiddenInner(doc, line, sp)) return true; - } - } - - // LINE WIDGETS - - // Line widgets are block elements displayed above or below a line. - - var LineWidget = CodeMirror.LineWidget = function(doc, node, options) { - if (options) for (var opt in options) if (options.hasOwnProperty(opt)) - this[opt] = options[opt]; - this.doc = doc; - this.node = node; - }; - eventMixin(LineWidget); - - function adjustScrollWhenAboveVisible(cm, line, diff) { - if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop)) - addToScrollPos(cm, null, diff); - } - - LineWidget.prototype.clear = function() { - var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line); - if (no == null || !ws) return; - for (var i = 0; i < ws.length; ++i) if (ws[i] == this) ws.splice(i--, 1); - if (!ws.length) line.widgets = null; - var height = widgetHeight(this); - updateLineHeight(line, Math.max(0, line.height - height)); - if (cm) runInOp(cm, function() { - adjustScrollWhenAboveVisible(cm, line, -height); - regLineChange(cm, no, "widget"); - }); - }; - LineWidget.prototype.changed = function() { - var oldH = this.height, cm = this.doc.cm, line = this.line; - this.height = null; - var diff = widgetHeight(this) - oldH; - if (!diff) return; - updateLineHeight(line, line.height + diff); - if (cm) runInOp(cm, function() { - cm.curOp.forceUpdate = true; - adjustScrollWhenAboveVisible(cm, line, diff); - }); - }; - - function widgetHeight(widget) { - if (widget.height != null) return widget.height; - var cm = widget.doc.cm; - if (!cm) return 0; - if (!contains(document.body, widget.node)) { - var parentStyle = "position: relative;"; - if (widget.coverGutter) - parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; - if (widget.noHScroll) - parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; - removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle)); - } - return widget.height = widget.node.parentNode.offsetHeight; - } - - function addLineWidget(doc, handle, node, options) { - var widget = new LineWidget(doc, node, options); - var cm = doc.cm; - if (cm && widget.noHScroll) cm.display.alignWidgets = true; - changeLine(doc, handle, "widget", function(line) { - var widgets = line.widgets || (line.widgets = []); - if (widget.insertAt == null) widgets.push(widget); - else widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); - widget.line = line; - if (cm && !lineIsHidden(doc, line)) { - var aboveVisible = heightAtLine(line) < doc.scrollTop; - updateLineHeight(line, line.height + widgetHeight(widget)); - if (aboveVisible) addToScrollPos(cm, null, widget.height); - cm.curOp.forceUpdate = true; - } - return true; - }); - return widget; - } - - // LINE DATA STRUCTURE - - // Line objects. These hold state related to a line, including - // highlighting info (the styles array). - var Line = CodeMirror.Line = function(text, markedSpans, estimateHeight) { - this.text = text; - attachMarkedSpans(this, markedSpans); - this.height = estimateHeight ? estimateHeight(this) : 1; - }; - eventMixin(Line); - Line.prototype.lineNo = function() { return lineNo(this); }; - - // Change the content (text, markers) of a line. Automatically - // invalidates cached information and tries to re-estimate the - // line's height. - function updateLine(line, text, markedSpans, estimateHeight) { - line.text = text; - if (line.stateAfter) line.stateAfter = null; - if (line.styles) line.styles = null; - if (line.order != null) line.order = null; - detachMarkedSpans(line); - attachMarkedSpans(line, markedSpans); - var estHeight = estimateHeight ? estimateHeight(line) : 1; - if (estHeight != line.height) updateLineHeight(line, estHeight); - } - - // Detach a line from the document tree and its markers. - function cleanUpLine(line) { - line.parent = null; - detachMarkedSpans(line); - } - - function extractLineClasses(type, output) { - if (type) for (;;) { - var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/); - if (!lineClass) break; - type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length); - var prop = lineClass[1] ? "bgClass" : "textClass"; - if (output[prop] == null) - output[prop] = lineClass[2]; - else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop])) - output[prop] += " " + lineClass[2]; - } - return type; - } - - function callBlankLine(mode, state) { - if (mode.blankLine) return mode.blankLine(state); - if (!mode.innerMode) return; - var inner = CodeMirror.innerMode(mode, state); - if (inner.mode.blankLine) return inner.mode.blankLine(inner.state); - } - - function readToken(mode, stream, state, inner) { - for (var i = 0; i < 10; i++) { - if (inner) inner[0] = CodeMirror.innerMode(mode, state).mode; - var style = mode.token(stream, state); - if (stream.pos > stream.start) return style; - } - throw new Error("Mode " + mode.name + " failed to advance stream."); - } - - // Utility for getTokenAt and getLineTokens - function takeToken(cm, pos, precise, asArray) { - function getObj(copy) { - return {start: stream.start, end: stream.pos, - string: stream.current(), - type: style || null, - state: copy ? copyState(doc.mode, state) : state}; - } - - var doc = cm.doc, mode = doc.mode, style; - pos = clipPos(doc, pos); - var line = getLine(doc, pos.line), state = getStateBefore(cm, pos.line, precise); - var stream = new StringStream(line.text, cm.options.tabSize), tokens; - if (asArray) tokens = []; - while ((asArray || stream.pos < pos.ch) && !stream.eol()) { - stream.start = stream.pos; - style = readToken(mode, stream, state); - if (asArray) tokens.push(getObj(true)); - } - return asArray ? tokens : getObj(); - } - - // Run the given mode's parser over a line, calling f for each token. - function runMode(cm, text, mode, state, f, lineClasses, forceToEnd) { - var flattenSpans = mode.flattenSpans; - if (flattenSpans == null) flattenSpans = cm.options.flattenSpans; - var curStart = 0, curStyle = null; - var stream = new StringStream(text, cm.options.tabSize), style; - var inner = cm.options.addModeClass && [null]; - if (text == "") extractLineClasses(callBlankLine(mode, state), lineClasses); - while (!stream.eol()) { - if (stream.pos > cm.options.maxHighlightLength) { - flattenSpans = false; - if (forceToEnd) processLine(cm, text, state, stream.pos); - stream.pos = text.length; - style = null; - } else { - style = extractLineClasses(readToken(mode, stream, state, inner), lineClasses); - } - if (inner) { - var mName = inner[0].name; - if (mName) style = "m-" + (style ? mName + " " + style : mName); - } - if (!flattenSpans || curStyle != style) { - while (curStart < stream.start) { - curStart = Math.min(stream.start, curStart + 50000); - f(curStart, curStyle); - } - curStyle = style; - } - stream.start = stream.pos; - } - while (curStart < stream.pos) { - // Webkit seems to refuse to render text nodes longer than 57444 characters - var pos = Math.min(stream.pos, curStart + 50000); - f(pos, curStyle); - curStart = pos; - } - } - - // Compute a style array (an array starting with a mode generation - // -- for invalidation -- followed by pairs of end positions and - // style strings), which is used to highlight the tokens on the - // line. - function highlightLine(cm, line, state, forceToEnd) { - // A styles array always starts with a number identifying the - // mode/overlays that it is based on (for easy invalidation). - var st = [cm.state.modeGen], lineClasses = {}; - // Compute the base array of styles - runMode(cm, line.text, cm.doc.mode, state, function(end, style) { - st.push(end, style); - }, lineClasses, forceToEnd); - - // Run overlays, adjust style array. - for (var o = 0; o < cm.state.overlays.length; ++o) { - var overlay = cm.state.overlays[o], i = 1, at = 0; - runMode(cm, line.text, overlay.mode, true, function(end, style) { - var start = i; - // Ensure there's a token end at the current position, and that i points at it - while (at < end) { - var i_end = st[i]; - if (i_end > end) - st.splice(i, 1, end, st[i+1], i_end); - i += 2; - at = Math.min(end, i_end); - } - if (!style) return; - if (overlay.opaque) { - st.splice(start, i - start, end, "cm-overlay " + style); - i = start + 2; - } else { - for (; start < i; start += 2) { - var cur = st[start+1]; - st[start+1] = (cur ? cur + " " : "") + "cm-overlay " + style; - } - } - }, lineClasses); - } - - return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}; - } - - function getLineStyles(cm, line, updateFrontier) { - if (!line.styles || line.styles[0] != cm.state.modeGen) { - var state = getStateBefore(cm, lineNo(line)); - var result = highlightLine(cm, line, line.text.length > cm.options.maxHighlightLength ? copyState(cm.doc.mode, state) : state); - line.stateAfter = state; - line.styles = result.styles; - if (result.classes) line.styleClasses = result.classes; - else if (line.styleClasses) line.styleClasses = null; - if (updateFrontier === cm.doc.frontier) cm.doc.frontier++; - } - return line.styles; - } - - // Lightweight form of highlight -- proceed over this line and - // update state, but don't save a style array. Used for lines that - // aren't currently visible. - function processLine(cm, text, state, startAt) { - var mode = cm.doc.mode; - var stream = new StringStream(text, cm.options.tabSize); - stream.start = stream.pos = startAt || 0; - if (text == "") callBlankLine(mode, state); - while (!stream.eol()) { - readToken(mode, stream, state); - stream.start = stream.pos; - } - } - - // Convert a style as returned by a mode (either null, or a string - // containing one or more styles) to a CSS style. This is cached, - // and also looks for line-wide styles. - var styleToClassCache = {}, styleToClassCacheWithMode = {}; - function interpretTokenStyle(style, options) { - if (!style || /^\s*$/.test(style)) return null; - var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache; - return cache[style] || - (cache[style] = style.replace(/\S+/g, "cm-$&")); - } - - // Render the DOM representation of the text of a line. Also builds - // up a 'line map', which points at the DOM nodes that represent - // specific stretches of text, and is used by the measuring code. - // The returned object contains the DOM node, this map, and - // information about line-wide styles that were set by the mode. - function buildLineContent(cm, lineView) { - // The padding-right forces the element to have a 'border', which - // is needed on Webkit to be able to get line-level bounding - // rectangles for it (in measureChar). - var content = elt("span", null, null, webkit ? "padding-right: .1px" : null); - var builder = {pre: elt("pre", [content], "CodeMirror-line"), content: content, - col: 0, pos: 0, cm: cm, - splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")}; - lineView.measure = {}; - - // Iterate over the logical lines that make up this visual line. - for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) { - var line = i ? lineView.rest[i - 1] : lineView.line, order; - builder.pos = 0; - builder.addToken = buildToken; - // Optionally wire in some hacks into the token-rendering - // algorithm, to deal with browser quirks. - if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line))) - builder.addToken = buildTokenBadBidi(builder.addToken, order); - builder.map = []; - var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line); - insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate)); - if (line.styleClasses) { - if (line.styleClasses.bgClass) - builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); - if (line.styleClasses.textClass) - builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); - } - - // Ensure at least a single node is present, for measuring. - if (builder.map.length == 0) - builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); - - // Store the map and a cache object for the current logical line - if (i == 0) { - lineView.measure.map = builder.map; - lineView.measure.cache = {}; - } else { - (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map); - (lineView.measure.caches || (lineView.measure.caches = [])).push({}); - } - } - - // See issue #2901 - if (webkit && /\bcm-tab\b/.test(builder.content.lastChild.className)) - builder.content.className = "cm-tab-wrap-hack"; - - signal(cm, "renderLine", cm, lineView.line, builder.pre); - if (builder.pre.className) - builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); - - return builder; - } - - function defaultSpecialCharPlaceholder(ch) { - var token = elt("span", "\u2022", "cm-invalidchar"); - token.title = "\\u" + ch.charCodeAt(0).toString(16); - token.setAttribute("aria-label", token.title); - return token; - } - - // Build up the DOM representation for a single token, and add it to - // the line map. Takes care to render special characters separately. - function buildToken(builder, text, style, startStyle, endStyle, title, css) { - if (!text) return; - var displayText = builder.splitSpaces ? text.replace(/ {3,}/g, splitSpaces) : text; - var special = builder.cm.state.specialChars, mustWrap = false; - if (!special.test(text)) { - builder.col += text.length; - var content = document.createTextNode(displayText); - builder.map.push(builder.pos, builder.pos + text.length, content); - if (ie && ie_version < 9) mustWrap = true; - builder.pos += text.length; - } else { - var content = document.createDocumentFragment(), pos = 0; - while (true) { - special.lastIndex = pos; - var m = special.exec(text); - var skipped = m ? m.index - pos : text.length - pos; - if (skipped) { - var txt = document.createTextNode(displayText.slice(pos, pos + skipped)); - if (ie && ie_version < 9) content.appendChild(elt("span", [txt])); - else content.appendChild(txt); - builder.map.push(builder.pos, builder.pos + skipped, txt); - builder.col += skipped; - builder.pos += skipped; - } - if (!m) break; - pos += skipped + 1; - if (m[0] == "\t") { - var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize; - var txt = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab")); - txt.setAttribute("role", "presentation"); - txt.setAttribute("cm-text", "\t"); - builder.col += tabWidth; - } else if (m[0] == "\r" || m[0] == "\n") { - var txt = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar")); - txt.setAttribute("cm-text", m[0]); - builder.col += 1; - } else { - var txt = builder.cm.options.specialCharPlaceholder(m[0]); - txt.setAttribute("cm-text", m[0]); - if (ie && ie_version < 9) content.appendChild(elt("span", [txt])); - else content.appendChild(txt); - builder.col += 1; - } - builder.map.push(builder.pos, builder.pos + 1, txt); - builder.pos++; - } - } - if (style || startStyle || endStyle || mustWrap || css) { - var fullStyle = style || ""; - if (startStyle) fullStyle += startStyle; - if (endStyle) fullStyle += endStyle; - var token = elt("span", [content], fullStyle, css); - if (title) token.title = title; - return builder.content.appendChild(token); - } - builder.content.appendChild(content); - } - - function splitSpaces(old) { - var out = " "; - for (var i = 0; i < old.length - 2; ++i) out += i % 2 ? " " : "\u00a0"; - out += " "; - return out; - } - - // Work around nonsense dimensions being reported for stretches of - // right-to-left text. - function buildTokenBadBidi(inner, order) { - return function(builder, text, style, startStyle, endStyle, title, css) { - style = style ? style + " cm-force-border" : "cm-force-border"; - var start = builder.pos, end = start + text.length; - for (;;) { - // Find the part that overlaps with the start of this text - for (var i = 0; i < order.length; i++) { - var part = order[i]; - if (part.to > start && part.from <= start) break; - } - if (part.to >= end) return inner(builder, text, style, startStyle, endStyle, title, css); - inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css); - startStyle = null; - text = text.slice(part.to - start); - start = part.to; - } - }; - } - - function buildCollapsedSpan(builder, size, marker, ignoreWidget) { - var widget = !ignoreWidget && marker.widgetNode; - if (widget) builder.map.push(builder.pos, builder.pos + size, widget); - if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) { - if (!widget) - widget = builder.content.appendChild(document.createElement("span")); - widget.setAttribute("cm-marker", marker.id); - } - if (widget) { - builder.cm.display.input.setUneditable(widget); - builder.content.appendChild(widget); - } - builder.pos += size; - } - - // Outputs a number of spans to make up a line, taking highlighting - // and marked text into account. - function insertLineContent(line, builder, styles) { - var spans = line.markedSpans, allText = line.text, at = 0; - if (!spans) { - for (var i = 1; i < styles.length; i+=2) - builder.addToken(builder, allText.slice(at, at = styles[i]), interpretTokenStyle(styles[i+1], builder.cm.options)); - return; - } - - var len = allText.length, pos = 0, i = 1, text = "", style, css; - var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed; - for (;;) { - if (nextChange == pos) { // Update current marker set - spanStyle = spanEndStyle = spanStartStyle = title = css = ""; - collapsed = null; nextChange = Infinity; - var foundBookmarks = [], endStyles - for (var j = 0; j < spans.length; ++j) { - var sp = spans[j], m = sp.marker; - if (m.type == "bookmark" && sp.from == pos && m.widgetNode) { - foundBookmarks.push(m); - } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) { - if (sp.to != null && sp.to != pos && nextChange > sp.to) { - nextChange = sp.to; - spanEndStyle = ""; - } - if (m.className) spanStyle += " " + m.className; - if (m.css) css = (css ? css + ";" : "") + m.css; - if (m.startStyle && sp.from == pos) spanStartStyle += " " + m.startStyle; - if (m.endStyle && sp.to == nextChange) (endStyles || (endStyles = [])).push(m.endStyle, sp.to) - if (m.title && !title) title = m.title; - if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0)) - collapsed = sp; - } else if (sp.from > pos && nextChange > sp.from) { - nextChange = sp.from; - } - } - if (endStyles) for (var j = 0; j < endStyles.length; j += 2) - if (endStyles[j + 1] == nextChange) spanEndStyle += " " + endStyles[j] - - if (!collapsed || collapsed.from == pos) for (var j = 0; j < foundBookmarks.length; ++j) - buildCollapsedSpan(builder, 0, foundBookmarks[j]); - if (collapsed && (collapsed.from || 0) == pos) { - buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos, - collapsed.marker, collapsed.from == null); - if (collapsed.to == null) return; - if (collapsed.to == pos) collapsed = false; - } - } - if (pos >= len) break; - - var upto = Math.min(len, nextChange); - while (true) { - if (text) { - var end = pos + text.length; - if (!collapsed) { - var tokenText = end > upto ? text.slice(0, upto - pos) : text; - builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle, - spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css); - } - if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;} - pos = end; - spanStartStyle = ""; - } - text = allText.slice(at, at = styles[i++]); - style = interpretTokenStyle(styles[i++], builder.cm.options); - } - } - } - - // DOCUMENT DATA STRUCTURE - - // By default, updates that start and end at the beginning of a line - // are treated specially, in order to make the association of line - // widgets and marker elements with the text behave more intuitive. - function isWholeLineUpdate(doc, change) { - return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" && - (!doc.cm || doc.cm.options.wholeLineUpdateBefore); - } - - // Perform a change on the document data structure. - function updateDoc(doc, change, markedSpans, estimateHeight) { - function spansFor(n) {return markedSpans ? markedSpans[n] : null;} - function update(line, text, spans) { - updateLine(line, text, spans, estimateHeight); - signalLater(line, "change", line, change); - } - function linesFor(start, end) { - for (var i = start, result = []; i < end; ++i) - result.push(new Line(text[i], spansFor(i), estimateHeight)); - return result; - } - - var from = change.from, to = change.to, text = change.text; - var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line); - var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line; - - // Adjust the line structure - if (change.full) { - doc.insert(0, linesFor(0, text.length)); - doc.remove(text.length, doc.size - text.length); - } else if (isWholeLineUpdate(doc, change)) { - // This is a whole-line replace. Treated specially to make - // sure line objects move the way they are supposed to. - var added = linesFor(0, text.length - 1); - update(lastLine, lastLine.text, lastSpans); - if (nlines) doc.remove(from.line, nlines); - if (added.length) doc.insert(from.line, added); - } else if (firstLine == lastLine) { - if (text.length == 1) { - update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans); - } else { - var added = linesFor(1, text.length - 1); - added.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight)); - update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); - doc.insert(from.line + 1, added); - } - } else if (text.length == 1) { - update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0)); - doc.remove(from.line + 1, nlines); - } else { - update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); - update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans); - var added = linesFor(1, text.length - 1); - if (nlines > 1) doc.remove(from.line + 1, nlines - 1); - doc.insert(from.line + 1, added); - } - - signalLater(doc, "change", doc, change); - } - - // The document is represented as a BTree consisting of leaves, with - // chunk of lines in them, and branches, with up to ten leaves or - // other branch nodes below them. The top node is always a branch - // node, and is the document object itself (meaning it has - // additional methods and properties). - // - // All nodes have parent links. The tree is used both to go from - // line numbers to line objects, and to go from objects to numbers. - // It also indexes by height, and is used to convert between height - // and line object, and to find the total height of the document. - // - // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html - - function LeafChunk(lines) { - this.lines = lines; - this.parent = null; - for (var i = 0, height = 0; i < lines.length; ++i) { - lines[i].parent = this; - height += lines[i].height; - } - this.height = height; - } - - LeafChunk.prototype = { - chunkSize: function() { return this.lines.length; }, - // Remove the n lines at offset 'at'. - removeInner: function(at, n) { - for (var i = at, e = at + n; i < e; ++i) { - var line = this.lines[i]; - this.height -= line.height; - cleanUpLine(line); - signalLater(line, "delete"); - } - this.lines.splice(at, n); - }, - // Helper used to collapse a small branch into a single leaf. - collapse: function(lines) { - lines.push.apply(lines, this.lines); - }, - // Insert the given array of lines at offset 'at', count them as - // having the given height. - insertInner: function(at, lines, height) { - this.height += height; - this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at)); - for (var i = 0; i < lines.length; ++i) lines[i].parent = this; - }, - // Used to iterate over a part of the tree. - iterN: function(at, n, op) { - for (var e = at + n; at < e; ++at) - if (op(this.lines[at])) return true; - } - }; - - function BranchChunk(children) { - this.children = children; - var size = 0, height = 0; - for (var i = 0; i < children.length; ++i) { - var ch = children[i]; - size += ch.chunkSize(); height += ch.height; - ch.parent = this; - } - this.size = size; - this.height = height; - this.parent = null; - } - - BranchChunk.prototype = { - chunkSize: function() { return this.size; }, - removeInner: function(at, n) { - this.size -= n; - for (var i = 0; i < this.children.length; ++i) { - var child = this.children[i], sz = child.chunkSize(); - if (at < sz) { - var rm = Math.min(n, sz - at), oldHeight = child.height; - child.removeInner(at, rm); - this.height -= oldHeight - child.height; - if (sz == rm) { this.children.splice(i--, 1); child.parent = null; } - if ((n -= rm) == 0) break; - at = 0; - } else at -= sz; - } - // If the result is smaller than 25 lines, ensure that it is a - // single leaf node. - if (this.size - n < 25 && - (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) { - var lines = []; - this.collapse(lines); - this.children = [new LeafChunk(lines)]; - this.children[0].parent = this; - } - }, - collapse: function(lines) { - for (var i = 0; i < this.children.length; ++i) this.children[i].collapse(lines); - }, - insertInner: function(at, lines, height) { - this.size += lines.length; - this.height += height; - for (var i = 0; i < this.children.length; ++i) { - var child = this.children[i], sz = child.chunkSize(); - if (at <= sz) { - child.insertInner(at, lines, height); - if (child.lines && child.lines.length > 50) { - while (child.lines.length > 50) { - var spilled = child.lines.splice(child.lines.length - 25, 25); - var newleaf = new LeafChunk(spilled); - child.height -= newleaf.height; - this.children.splice(i + 1, 0, newleaf); - newleaf.parent = this; - } - this.maybeSpill(); - } - break; - } - at -= sz; - } - }, - // When a node has grown, check whether it should be split. - maybeSpill: function() { - if (this.children.length <= 10) return; - var me = this; - do { - var spilled = me.children.splice(me.children.length - 5, 5); - var sibling = new BranchChunk(spilled); - if (!me.parent) { // Become the parent node - var copy = new BranchChunk(me.children); - copy.parent = me; - me.children = [copy, sibling]; - me = copy; - } else { - me.size -= sibling.size; - me.height -= sibling.height; - var myIndex = indexOf(me.parent.children, me); - me.parent.children.splice(myIndex + 1, 0, sibling); - } - sibling.parent = me.parent; - } while (me.children.length > 10); - me.parent.maybeSpill(); - }, - iterN: function(at, n, op) { - for (var i = 0; i < this.children.length; ++i) { - var child = this.children[i], sz = child.chunkSize(); - if (at < sz) { - var used = Math.min(n, sz - at); - if (child.iterN(at, used, op)) return true; - if ((n -= used) == 0) break; - at = 0; - } else at -= sz; - } - } - }; - - var nextDocId = 0; - var Doc = CodeMirror.Doc = function(text, mode, firstLine, lineSep) { - if (!(this instanceof Doc)) return new Doc(text, mode, firstLine, lineSep); - if (firstLine == null) firstLine = 0; - - BranchChunk.call(this, [new LeafChunk([new Line("", null)])]); - this.first = firstLine; - this.scrollTop = this.scrollLeft = 0; - this.cantEdit = false; - this.cleanGeneration = 1; - this.frontier = firstLine; - var start = Pos(firstLine, 0); - this.sel = simpleSelection(start); - this.history = new History(null); - this.id = ++nextDocId; - this.modeOption = mode; - this.lineSep = lineSep; - this.extend = false; - - if (typeof text == "string") text = this.splitLines(text); - updateDoc(this, {from: start, to: start, text: text}); - setSelection(this, simpleSelection(start), sel_dontScroll); - }; - - Doc.prototype = createObj(BranchChunk.prototype, { - constructor: Doc, - // Iterate over the document. Supports two forms -- with only one - // argument, it calls that for each line in the document. With - // three, it iterates over the range given by the first two (with - // the second being non-inclusive). - iter: function(from, to, op) { - if (op) this.iterN(from - this.first, to - from, op); - else this.iterN(this.first, this.first + this.size, from); - }, - - // Non-public interface for adding and removing lines. - insert: function(at, lines) { - var height = 0; - for (var i = 0; i < lines.length; ++i) height += lines[i].height; - this.insertInner(at - this.first, lines, height); - }, - remove: function(at, n) { this.removeInner(at - this.first, n); }, - - // From here, the methods are part of the public interface. Most - // are also available from CodeMirror (editor) instances. - - getValue: function(lineSep) { - var lines = getLines(this, this.first, this.first + this.size); - if (lineSep === false) return lines; - return lines.join(lineSep || this.lineSeparator()); - }, - setValue: docMethodOp(function(code) { - var top = Pos(this.first, 0), last = this.first + this.size - 1; - makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length), - text: this.splitLines(code), origin: "setValue", full: true}, true); - setSelection(this, simpleSelection(top)); - }), - replaceRange: function(code, from, to, origin) { - from = clipPos(this, from); - to = to ? clipPos(this, to) : from; - replaceRange(this, code, from, to, origin); - }, - getRange: function(from, to, lineSep) { - var lines = getBetween(this, clipPos(this, from), clipPos(this, to)); - if (lineSep === false) return lines; - return lines.join(lineSep || this.lineSeparator()); - }, - - getLine: function(line) {var l = this.getLineHandle(line); return l && l.text;}, - - getLineHandle: function(line) {if (isLine(this, line)) return getLine(this, line);}, - getLineNumber: function(line) {return lineNo(line);}, - - getLineHandleVisualStart: function(line) { - if (typeof line == "number") line = getLine(this, line); - return visualLine(line); - }, - - lineCount: function() {return this.size;}, - firstLine: function() {return this.first;}, - lastLine: function() {return this.first + this.size - 1;}, - - clipPos: function(pos) {return clipPos(this, pos);}, - - getCursor: function(start) { - var range = this.sel.primary(), pos; - if (start == null || start == "head") pos = range.head; - else if (start == "anchor") pos = range.anchor; - else if (start == "end" || start == "to" || start === false) pos = range.to(); - else pos = range.from(); - return pos; - }, - listSelections: function() { return this.sel.ranges; }, - somethingSelected: function() {return this.sel.somethingSelected();}, - - setCursor: docMethodOp(function(line, ch, options) { - setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options); - }), - setSelection: docMethodOp(function(anchor, head, options) { - setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options); - }), - extendSelection: docMethodOp(function(head, other, options) { - extendSelection(this, clipPos(this, head), other && clipPos(this, other), options); - }), - extendSelections: docMethodOp(function(heads, options) { - extendSelections(this, clipPosArray(this, heads), options); - }), - extendSelectionsBy: docMethodOp(function(f, options) { - var heads = map(this.sel.ranges, f); - extendSelections(this, clipPosArray(this, heads), options); - }), - setSelections: docMethodOp(function(ranges, primary, options) { - if (!ranges.length) return; - for (var i = 0, out = []; i < ranges.length; i++) - out[i] = new Range(clipPos(this, ranges[i].anchor), - clipPos(this, ranges[i].head)); - if (primary == null) primary = Math.min(ranges.length - 1, this.sel.primIndex); - setSelection(this, normalizeSelection(out, primary), options); - }), - addSelection: docMethodOp(function(anchor, head, options) { - var ranges = this.sel.ranges.slice(0); - ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor))); - setSelection(this, normalizeSelection(ranges, ranges.length - 1), options); - }), - - getSelection: function(lineSep) { - var ranges = this.sel.ranges, lines; - for (var i = 0; i < ranges.length; i++) { - var sel = getBetween(this, ranges[i].from(), ranges[i].to()); - lines = lines ? lines.concat(sel) : sel; - } - if (lineSep === false) return lines; - else return lines.join(lineSep || this.lineSeparator()); - }, - getSelections: function(lineSep) { - var parts = [], ranges = this.sel.ranges; - for (var i = 0; i < ranges.length; i++) { - var sel = getBetween(this, ranges[i].from(), ranges[i].to()); - if (lineSep !== false) sel = sel.join(lineSep || this.lineSeparator()); - parts[i] = sel; - } - return parts; - }, - replaceSelection: function(code, collapse, origin) { - var dup = []; - for (var i = 0; i < this.sel.ranges.length; i++) - dup[i] = code; - this.replaceSelections(dup, collapse, origin || "+input"); - }, - replaceSelections: docMethodOp(function(code, collapse, origin) { - var changes = [], sel = this.sel; - for (var i = 0; i < sel.ranges.length; i++) { - var range = sel.ranges[i]; - changes[i] = {from: range.from(), to: range.to(), text: this.splitLines(code[i]), origin: origin}; - } - var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse); - for (var i = changes.length - 1; i >= 0; i--) - makeChange(this, changes[i]); - if (newSel) setSelectionReplaceHistory(this, newSel); - else if (this.cm) ensureCursorVisible(this.cm); - }), - undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}), - redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}), - undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}), - redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}), - - setExtending: function(val) {this.extend = val;}, - getExtending: function() {return this.extend;}, - - historySize: function() { - var hist = this.history, done = 0, undone = 0; - for (var i = 0; i < hist.done.length; i++) if (!hist.done[i].ranges) ++done; - for (var i = 0; i < hist.undone.length; i++) if (!hist.undone[i].ranges) ++undone; - return {undo: done, redo: undone}; - }, - clearHistory: function() {this.history = new History(this.history.maxGeneration);}, - - markClean: function() { - this.cleanGeneration = this.changeGeneration(true); - }, - changeGeneration: function(forceSplit) { - if (forceSplit) - this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; - return this.history.generation; - }, - isClean: function (gen) { - return this.history.generation == (gen || this.cleanGeneration); - }, - - getHistory: function() { - return {done: copyHistoryArray(this.history.done), - undone: copyHistoryArray(this.history.undone)}; - }, - setHistory: function(histData) { - var hist = this.history = new History(this.history.maxGeneration); - hist.done = copyHistoryArray(histData.done.slice(0), null, true); - hist.undone = copyHistoryArray(histData.undone.slice(0), null, true); - }, - - addLineClass: docMethodOp(function(handle, where, cls) { - return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) { - var prop = where == "text" ? "textClass" - : where == "background" ? "bgClass" - : where == "gutter" ? "gutterClass" : "wrapClass"; - if (!line[prop]) line[prop] = cls; - else if (classTest(cls).test(line[prop])) return false; - else line[prop] += " " + cls; - return true; - }); - }), - removeLineClass: docMethodOp(function(handle, where, cls) { - return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) { - var prop = where == "text" ? "textClass" - : where == "background" ? "bgClass" - : where == "gutter" ? "gutterClass" : "wrapClass"; - var cur = line[prop]; - if (!cur) return false; - else if (cls == null) line[prop] = null; - else { - var found = cur.match(classTest(cls)); - if (!found) return false; - var end = found.index + found[0].length; - line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null; - } - return true; - }); - }), - - addLineWidget: docMethodOp(function(handle, node, options) { - return addLineWidget(this, handle, node, options); - }), - removeLineWidget: function(widget) { widget.clear(); }, - - markText: function(from, to, options) { - return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range"); - }, - setBookmark: function(pos, options) { - var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options), - insertLeft: options && options.insertLeft, - clearWhenEmpty: false, shared: options && options.shared, - handleMouseEvents: options && options.handleMouseEvents}; - pos = clipPos(this, pos); - return markText(this, pos, pos, realOpts, "bookmark"); - }, - findMarksAt: function(pos) { - pos = clipPos(this, pos); - var markers = [], spans = getLine(this, pos.line).markedSpans; - if (spans) for (var i = 0; i < spans.length; ++i) { - var span = spans[i]; - if ((span.from == null || span.from <= pos.ch) && - (span.to == null || span.to >= pos.ch)) - markers.push(span.marker.parent || span.marker); - } - return markers; - }, - findMarks: function(from, to, filter) { - from = clipPos(this, from); to = clipPos(this, to); - var found = [], lineNo = from.line; - this.iter(from.line, to.line + 1, function(line) { - var spans = line.markedSpans; - if (spans) for (var i = 0; i < spans.length; i++) { - var span = spans[i]; - if (!(lineNo == from.line && from.ch > span.to || - span.from == null && lineNo != from.line|| - lineNo == to.line && span.from > to.ch) && - (!filter || filter(span.marker))) - found.push(span.marker.parent || span.marker); - } - ++lineNo; - }); - return found; - }, - getAllMarks: function() { - var markers = []; - this.iter(function(line) { - var sps = line.markedSpans; - if (sps) for (var i = 0; i < sps.length; ++i) - if (sps[i].from != null) markers.push(sps[i].marker); - }); - return markers; - }, - - posFromIndex: function(off) { - var ch, lineNo = this.first; - this.iter(function(line) { - var sz = line.text.length + 1; - if (sz > off) { ch = off; return true; } - off -= sz; - ++lineNo; - }); - return clipPos(this, Pos(lineNo, ch)); - }, - indexFromPos: function (coords) { - coords = clipPos(this, coords); - var index = coords.ch; - if (coords.line < this.first || coords.ch < 0) return 0; - this.iter(this.first, coords.line, function (line) { - index += line.text.length + 1; - }); - return index; - }, - - copy: function(copyHistory) { - var doc = new Doc(getLines(this, this.first, this.first + this.size), - this.modeOption, this.first, this.lineSep); - doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft; - doc.sel = this.sel; - doc.extend = false; - if (copyHistory) { - doc.history.undoDepth = this.history.undoDepth; - doc.setHistory(this.getHistory()); - } - return doc; - }, - - linkedDoc: function(options) { - if (!options) options = {}; - var from = this.first, to = this.first + this.size; - if (options.from != null && options.from > from) from = options.from; - if (options.to != null && options.to < to) to = options.to; - var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep); - if (options.sharedHist) copy.history = this.history; - (this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist}); - copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}]; - copySharedMarkers(copy, findSharedMarkers(this)); - return copy; - }, - unlinkDoc: function(other) { - if (other instanceof CodeMirror) other = other.doc; - if (this.linked) for (var i = 0; i < this.linked.length; ++i) { - var link = this.linked[i]; - if (link.doc != other) continue; - this.linked.splice(i, 1); - other.unlinkDoc(this); - detachSharedMarkers(findSharedMarkers(this)); - break; - } - // If the histories were shared, split them again - if (other.history == this.history) { - var splitIds = [other.id]; - linkedDocs(other, function(doc) {splitIds.push(doc.id);}, true); - other.history = new History(null); - other.history.done = copyHistoryArray(this.history.done, splitIds); - other.history.undone = copyHistoryArray(this.history.undone, splitIds); - } - }, - iterLinkedDocs: function(f) {linkedDocs(this, f);}, - - getMode: function() {return this.mode;}, - getEditor: function() {return this.cm;}, - - splitLines: function(str) { - if (this.lineSep) return str.split(this.lineSep); - return splitLinesAuto(str); - }, - lineSeparator: function() { return this.lineSep || "\n"; } - }); - - // Public alias. - Doc.prototype.eachLine = Doc.prototype.iter; - - // Set up methods on CodeMirror's prototype to redirect to the editor's document. - var dontDelegate = "iter insert remove copy getEditor constructor".split(" "); - for (var prop in Doc.prototype) if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0) - CodeMirror.prototype[prop] = (function(method) { - return function() {return method.apply(this.doc, arguments);}; - })(Doc.prototype[prop]); - - eventMixin(Doc); - - // Call f for all linked documents. - function linkedDocs(doc, f, sharedHistOnly) { - function propagate(doc, skip, sharedHist) { - if (doc.linked) for (var i = 0; i < doc.linked.length; ++i) { - var rel = doc.linked[i]; - if (rel.doc == skip) continue; - var shared = sharedHist && rel.sharedHist; - if (sharedHistOnly && !shared) continue; - f(rel.doc, shared); - propagate(rel.doc, doc, shared); - } - } - propagate(doc, null, true); - } - - // Attach a document to an editor. - function attachDoc(cm, doc) { - if (doc.cm) throw new Error("This document is already in use."); - cm.doc = doc; - doc.cm = cm; - estimateLineHeights(cm); - loadMode(cm); - if (!cm.options.lineWrapping) findMaxLine(cm); - cm.options.mode = doc.modeOption; - regChange(cm); - } - - // LINE UTILITIES - - // Find the line object corresponding to the given line number. - function getLine(doc, n) { - n -= doc.first; - if (n < 0 || n >= doc.size) throw new Error("There is no line " + (n + doc.first) + " in the document."); - for (var chunk = doc; !chunk.lines;) { - for (var i = 0;; ++i) { - var child = chunk.children[i], sz = child.chunkSize(); - if (n < sz) { chunk = child; break; } - n -= sz; - } - } - return chunk.lines[n]; - } - - // Get the part of a document between two positions, as an array of - // strings. - function getBetween(doc, start, end) { - var out = [], n = start.line; - doc.iter(start.line, end.line + 1, function(line) { - var text = line.text; - if (n == end.line) text = text.slice(0, end.ch); - if (n == start.line) text = text.slice(start.ch); - out.push(text); - ++n; - }); - return out; - } - // Get the lines between from and to, as array of strings. - function getLines(doc, from, to) { - var out = []; - doc.iter(from, to, function(line) { out.push(line.text); }); - return out; - } - - // Update the height of a line, propagating the height change - // upwards to parent nodes. - function updateLineHeight(line, height) { - var diff = height - line.height; - if (diff) for (var n = line; n; n = n.parent) n.height += diff; - } - - // Given a line object, find its line number by walking up through - // its parent links. - function lineNo(line) { - if (line.parent == null) return null; - var cur = line.parent, no = indexOf(cur.lines, line); - for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) { - for (var i = 0;; ++i) { - if (chunk.children[i] == cur) break; - no += chunk.children[i].chunkSize(); - } - } - return no + cur.first; - } - - // Find the line at the given vertical position, using the height - // information in the document tree. - function lineAtHeight(chunk, h) { - var n = chunk.first; - outer: do { - for (var i = 0; i < chunk.children.length; ++i) { - var child = chunk.children[i], ch = child.height; - if (h < ch) { chunk = child; continue outer; } - h -= ch; - n += child.chunkSize(); - } - return n; - } while (!chunk.lines); - for (var i = 0; i < chunk.lines.length; ++i) { - var line = chunk.lines[i], lh = line.height; - if (h < lh) break; - h -= lh; - } - return n + i; - } - - - // Find the height above the given line. - function heightAtLine(lineObj) { - lineObj = visualLine(lineObj); - - var h = 0, chunk = lineObj.parent; - for (var i = 0; i < chunk.lines.length; ++i) { - var line = chunk.lines[i]; - if (line == lineObj) break; - else h += line.height; - } - for (var p = chunk.parent; p; chunk = p, p = chunk.parent) { - for (var i = 0; i < p.children.length; ++i) { - var cur = p.children[i]; - if (cur == chunk) break; - else h += cur.height; - } - } - return h; - } - - // Get the bidi ordering for the given line (and cache it). Returns - // false for lines that are fully left-to-right, and an array of - // BidiSpan objects otherwise. - function getOrder(line) { - var order = line.order; - if (order == null) order = line.order = bidiOrdering(line.text); - return order; - } - - // HISTORY - - function History(startGen) { - // Arrays of change events and selections. Doing something adds an - // event to done and clears undo. Undoing moves events from done - // to undone, redoing moves them in the other direction. - this.done = []; this.undone = []; - this.undoDepth = Infinity; - // Used to track when changes can be merged into a single undo - // event - this.lastModTime = this.lastSelTime = 0; - this.lastOp = this.lastSelOp = null; - this.lastOrigin = this.lastSelOrigin = null; - // Used by the isClean() method - this.generation = this.maxGeneration = startGen || 1; - } - - // Create a history change event from an updateDoc-style change - // object. - function historyChangeFromChange(doc, change) { - var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)}; - attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); - linkedDocs(doc, function(doc) {attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);}, true); - return histChange; - } - - // Pop all selection events off the end of a history array. Stop at - // a change event. - function clearSelectionEvents(array) { - while (array.length) { - var last = lst(array); - if (last.ranges) array.pop(); - else break; - } - } - - // Find the top change event in the history. Pop off selection - // events that are in the way. - function lastChangeEvent(hist, force) { - if (force) { - clearSelectionEvents(hist.done); - return lst(hist.done); - } else if (hist.done.length && !lst(hist.done).ranges) { - return lst(hist.done); - } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) { - hist.done.pop(); - return lst(hist.done); - } - } - - // Register a change in the history. Merges changes that are within - // a single operation, ore are close together with an origin that - // allows merging (starting with "+") into a single event. - function addChangeToHistory(doc, change, selAfter, opId) { - var hist = doc.history; - hist.undone.length = 0; - var time = +new Date, cur; - - if ((hist.lastOp == opId || - hist.lastOrigin == change.origin && change.origin && - ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) || - change.origin.charAt(0) == "*")) && - (cur = lastChangeEvent(hist, hist.lastOp == opId))) { - // Merge this change into the last event - var last = lst(cur.changes); - if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) { - // Optimized case for simple insertion -- don't want to add - // new changesets for every character typed - last.to = changeEnd(change); - } else { - // Add new sub-event - cur.changes.push(historyChangeFromChange(doc, change)); - } - } else { - // Can not be merged, start a new event. - var before = lst(hist.done); - if (!before || !before.ranges) - pushSelectionToHistory(doc.sel, hist.done); - cur = {changes: [historyChangeFromChange(doc, change)], - generation: hist.generation}; - hist.done.push(cur); - while (hist.done.length > hist.undoDepth) { - hist.done.shift(); - if (!hist.done[0].ranges) hist.done.shift(); - } - } - hist.done.push(selAfter); - hist.generation = ++hist.maxGeneration; - hist.lastModTime = hist.lastSelTime = time; - hist.lastOp = hist.lastSelOp = opId; - hist.lastOrigin = hist.lastSelOrigin = change.origin; - - if (!last) signal(doc, "historyAdded"); - } - - function selectionEventCanBeMerged(doc, origin, prev, sel) { - var ch = origin.charAt(0); - return ch == "*" || - ch == "+" && - prev.ranges.length == sel.ranges.length && - prev.somethingSelected() == sel.somethingSelected() && - new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500); - } - - // Called whenever the selection changes, sets the new selection as - // the pending selection in the history, and pushes the old pending - // selection into the 'done' array when it was significantly - // different (in number of selected ranges, emptiness, or time). - function addSelectionToHistory(doc, sel, opId, options) { - var hist = doc.history, origin = options && options.origin; - - // A new event is started when the previous origin does not match - // the current, or the origins don't allow matching. Origins - // starting with * are always merged, those starting with + are - // merged when similar and close together in time. - if (opId == hist.lastSelOp || - (origin && hist.lastSelOrigin == origin && - (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin || - selectionEventCanBeMerged(doc, origin, lst(hist.done), sel)))) - hist.done[hist.done.length - 1] = sel; - else - pushSelectionToHistory(sel, hist.done); - - hist.lastSelTime = +new Date; - hist.lastSelOrigin = origin; - hist.lastSelOp = opId; - if (options && options.clearRedo !== false) - clearSelectionEvents(hist.undone); - } - - function pushSelectionToHistory(sel, dest) { - var top = lst(dest); - if (!(top && top.ranges && top.equals(sel))) - dest.push(sel); - } - - // Used to store marked span information in the history. - function attachLocalSpans(doc, change, from, to) { - var existing = change["spans_" + doc.id], n = 0; - doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function(line) { - if (line.markedSpans) - (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; - ++n; - }); - } - - // When un/re-doing restores text containing marked spans, those - // that have been explicitly cleared should not be restored. - function removeClearedSpans(spans) { - if (!spans) return null; - for (var i = 0, out; i < spans.length; ++i) { - if (spans[i].marker.explicitlyCleared) { if (!out) out = spans.slice(0, i); } - else if (out) out.push(spans[i]); - } - return !out ? spans : out.length ? out : null; - } - - // Retrieve and filter the old marked spans stored in a change event. - function getOldSpans(doc, change) { - var found = change["spans_" + doc.id]; - if (!found) return null; - for (var i = 0, nw = []; i < change.text.length; ++i) - nw.push(removeClearedSpans(found[i])); - return nw; - } - - // Used both to provide a JSON-safe object in .getHistory, and, when - // detaching a document, to split the history in two - function copyHistoryArray(events, newGroup, instantiateSel) { - for (var i = 0, copy = []; i < events.length; ++i) { - var event = events[i]; - if (event.ranges) { - copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event); - continue; - } - var changes = event.changes, newChanges = []; - copy.push({changes: newChanges}); - for (var j = 0; j < changes.length; ++j) { - var change = changes[j], m; - newChanges.push({from: change.from, to: change.to, text: change.text}); - if (newGroup) for (var prop in change) if (m = prop.match(/^spans_(\d+)$/)) { - if (indexOf(newGroup, Number(m[1])) > -1) { - lst(newChanges)[prop] = change[prop]; - delete change[prop]; - } - } - } - } - return copy; - } - - // Rebasing/resetting history to deal with externally-sourced changes - - function rebaseHistSelSingle(pos, from, to, diff) { - if (to < pos.line) { - pos.line += diff; - } else if (from < pos.line) { - pos.line = from; - pos.ch = 0; - } - } - - // Tries to rebase an array of history events given a change in the - // document. If the change touches the same lines as the event, the - // event, and everything 'behind' it, is discarded. If the change is - // before the event, the event's positions are updated. Uses a - // copy-on-write scheme for the positions, to avoid having to - // reallocate them all on every rebase, but also avoid problems with - // shared position objects being unsafely updated. - function rebaseHistArray(array, from, to, diff) { - for (var i = 0; i < array.length; ++i) { - var sub = array[i], ok = true; - if (sub.ranges) { - if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; } - for (var j = 0; j < sub.ranges.length; j++) { - rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff); - rebaseHistSelSingle(sub.ranges[j].head, from, to, diff); - } - continue; - } - for (var j = 0; j < sub.changes.length; ++j) { - var cur = sub.changes[j]; - if (to < cur.from.line) { - cur.from = Pos(cur.from.line + diff, cur.from.ch); - cur.to = Pos(cur.to.line + diff, cur.to.ch); - } else if (from <= cur.to.line) { - ok = false; - break; - } - } - if (!ok) { - array.splice(0, i + 1); - i = 0; - } - } - } - - function rebaseHist(hist, change) { - var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1; - rebaseHistArray(hist.done, from, to, diff); - rebaseHistArray(hist.undone, from, to, diff); - } - - // EVENT UTILITIES - - // Due to the fact that we still support jurassic IE versions, some - // compatibility wrappers are needed. - - var e_preventDefault = CodeMirror.e_preventDefault = function(e) { - if (e.preventDefault) e.preventDefault(); - else e.returnValue = false; - }; - var e_stopPropagation = CodeMirror.e_stopPropagation = function(e) { - if (e.stopPropagation) e.stopPropagation(); - else e.cancelBubble = true; - }; - function e_defaultPrevented(e) { - return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false; - } - var e_stop = CodeMirror.e_stop = function(e) {e_preventDefault(e); e_stopPropagation(e);}; - - function e_target(e) {return e.target || e.srcElement;} - function e_button(e) { - var b = e.which; - if (b == null) { - if (e.button & 1) b = 1; - else if (e.button & 2) b = 3; - else if (e.button & 4) b = 2; - } - if (mac && e.ctrlKey && b == 1) b = 3; - return b; - } - - // EVENT HANDLING - - // Lightweight event framework. on/off also work on DOM nodes, - // registering native DOM handlers. - - var on = CodeMirror.on = function(emitter, type, f) { - if (emitter.addEventListener) - emitter.addEventListener(type, f, false); - else if (emitter.attachEvent) - emitter.attachEvent("on" + type, f); - else { - var map = emitter._handlers || (emitter._handlers = {}); - var arr = map[type] || (map[type] = []); - arr.push(f); - } - }; - - var noHandlers = [] - function getHandlers(emitter, type, copy) { - var arr = emitter._handlers && emitter._handlers[type] - if (copy) return arr && arr.length > 0 ? arr.slice() : noHandlers - else return arr || noHandlers - } - - var off = CodeMirror.off = function(emitter, type, f) { - if (emitter.removeEventListener) - emitter.removeEventListener(type, f, false); - else if (emitter.detachEvent) - emitter.detachEvent("on" + type, f); - else { - var handlers = getHandlers(emitter, type, false) - for (var i = 0; i < handlers.length; ++i) - if (handlers[i] == f) { handlers.splice(i, 1); break; } - } - }; - - var signal = CodeMirror.signal = function(emitter, type /*, values...*/) { - var handlers = getHandlers(emitter, type, true) - if (!handlers.length) return; - var args = Array.prototype.slice.call(arguments, 2); - for (var i = 0; i < handlers.length; ++i) handlers[i].apply(null, args); - }; - - var orphanDelayedCallbacks = null; - - // Often, we want to signal events at a point where we are in the - // middle of some work, but don't want the handler to start calling - // other methods on the editor, which might be in an inconsistent - // state or simply not expect any other events to happen. - // signalLater looks whether there are any handlers, and schedules - // them to be executed when the last operation ends, or, if no - // operation is active, when a timeout fires. - function signalLater(emitter, type /*, values...*/) { - var arr = getHandlers(emitter, type, false) - if (!arr.length) return; - var args = Array.prototype.slice.call(arguments, 2), list; - if (operationGroup) { - list = operationGroup.delayedCallbacks; - } else if (orphanDelayedCallbacks) { - list = orphanDelayedCallbacks; - } else { - list = orphanDelayedCallbacks = []; - setTimeout(fireOrphanDelayed, 0); - } - function bnd(f) {return function(){f.apply(null, args);};}; - for (var i = 0; i < arr.length; ++i) - list.push(bnd(arr[i])); - } - - function fireOrphanDelayed() { - var delayed = orphanDelayedCallbacks; - orphanDelayedCallbacks = null; - for (var i = 0; i < delayed.length; ++i) delayed[i](); - } - - // The DOM events that CodeMirror handles can be overridden by - // registering a (non-DOM) handler on the editor for the event name, - // and preventDefault-ing the event in that handler. - function signalDOMEvent(cm, e, override) { - if (typeof e == "string") - e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; - signal(cm, override || e.type, cm, e); - return e_defaultPrevented(e) || e.codemirrorIgnore; - } - - function signalCursorActivity(cm) { - var arr = cm._handlers && cm._handlers.cursorActivity; - if (!arr) return; - var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []); - for (var i = 0; i < arr.length; ++i) if (indexOf(set, arr[i]) == -1) - set.push(arr[i]); - } - - function hasHandler(emitter, type) { - return getHandlers(emitter, type).length > 0 - } - - // Add on and off methods to a constructor's prototype, to make - // registering events on such objects more convenient. - function eventMixin(ctor) { - ctor.prototype.on = function(type, f) {on(this, type, f);}; - ctor.prototype.off = function(type, f) {off(this, type, f);}; - } - - // MISC UTILITIES - - // Number of pixels added to scroller and sizer to hide scrollbar - var scrollerGap = 30; - - // Returned or thrown by various protocols to signal 'I'm not - // handling this'. - var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}}; - - // Reused option objects for setSelection & friends - var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"}; - - function Delayed() {this.id = null;} - Delayed.prototype.set = function(ms, f) { - clearTimeout(this.id); - this.id = setTimeout(f, ms); - }; - - // Counts the column offset in a string, taking tabs into account. - // Used mostly to find indentation. - var countColumn = CodeMirror.countColumn = function(string, end, tabSize, startIndex, startValue) { - if (end == null) { - end = string.search(/[^\s\u00a0]/); - if (end == -1) end = string.length; - } - for (var i = startIndex || 0, n = startValue || 0;;) { - var nextTab = string.indexOf("\t", i); - if (nextTab < 0 || nextTab >= end) - return n + (end - i); - n += nextTab - i; - n += tabSize - (n % tabSize); - i = nextTab + 1; - } - }; - - // The inverse of countColumn -- find the offset that corresponds to - // a particular column. - var findColumn = CodeMirror.findColumn = function(string, goal, tabSize) { - for (var pos = 0, col = 0;;) { - var nextTab = string.indexOf("\t", pos); - if (nextTab == -1) nextTab = string.length; - var skipped = nextTab - pos; - if (nextTab == string.length || col + skipped >= goal) - return pos + Math.min(skipped, goal - col); - col += nextTab - pos; - col += tabSize - (col % tabSize); - pos = nextTab + 1; - if (col >= goal) return pos; - } - } - - var spaceStrs = [""]; - function spaceStr(n) { - while (spaceStrs.length <= n) - spaceStrs.push(lst(spaceStrs) + " "); - return spaceStrs[n]; - } - - function lst(arr) { return arr[arr.length-1]; } - - var selectInput = function(node) { node.select(); }; - if (ios) // Mobile Safari apparently has a bug where select() is broken. - selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; - else if (ie) // Suppress mysterious IE10 errors - selectInput = function(node) { try { node.select(); } catch(_e) {} }; - - function indexOf(array, elt) { - for (var i = 0; i < array.length; ++i) - if (array[i] == elt) return i; - return -1; - } - function map(array, f) { - var out = []; - for (var i = 0; i < array.length; i++) out[i] = f(array[i], i); - return out; - } - - function nothing() {} - - function createObj(base, props) { - var inst; - if (Object.create) { - inst = Object.create(base); - } else { - nothing.prototype = base; - inst = new nothing(); - } - if (props) copyObj(props, inst); - return inst; - }; - - function copyObj(obj, target, overwrite) { - if (!target) target = {}; - for (var prop in obj) - if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop))) - target[prop] = obj[prop]; - return target; - } - - function bind(f) { - var args = Array.prototype.slice.call(arguments, 1); - return function(){return f.apply(null, args);}; - } - - var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/; - var isWordCharBasic = CodeMirror.isWordChar = function(ch) { - return /\w/.test(ch) || ch > "\x80" && - (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch)); - }; - function isWordChar(ch, helper) { - if (!helper) return isWordCharBasic(ch); - if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) return true; - return helper.test(ch); - } - - function isEmpty(obj) { - for (var n in obj) if (obj.hasOwnProperty(n) && obj[n]) return false; - return true; - } - - // Extending unicode characters. A series of a non-extending char + - // any number of extending chars is treated as a single unit as far - // as editing and measuring is concerned. This is not fully correct, - // since some scripts/fonts/browsers also treat other configurations - // of code points as a group. - var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/; - function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch); } - - // DOM UTILITIES - - function elt(tag, content, className, style) { - var e = document.createElement(tag); - if (className) e.className = className; - if (style) e.style.cssText = style; - if (typeof content == "string") e.appendChild(document.createTextNode(content)); - else if (content) for (var i = 0; i < content.length; ++i) e.appendChild(content[i]); - return e; - } - - var range; - if (document.createRange) range = function(node, start, end, endNode) { - var r = document.createRange(); - r.setEnd(endNode || node, end); - r.setStart(node, start); - return r; - }; - else range = function(node, start, end) { - var r = document.body.createTextRange(); - try { r.moveToElementText(node.parentNode); } - catch(e) { return r; } - r.collapse(true); - r.moveEnd("character", end); - r.moveStart("character", start); - return r; - }; - - function removeChildren(e) { - for (var count = e.childNodes.length; count > 0; --count) - e.removeChild(e.firstChild); - return e; - } - - function removeChildrenAndAdd(parent, e) { - return removeChildren(parent).appendChild(e); - } - - var contains = CodeMirror.contains = function(parent, child) { - if (child.nodeType == 3) // Android browser always returns false when child is a textnode - child = child.parentNode; - if (parent.contains) - return parent.contains(child); - do { - if (child.nodeType == 11) child = child.host; - if (child == parent) return true; - } while (child = child.parentNode); - }; - - function activeElt() { - var activeElement = document.activeElement; - while (activeElement && activeElement.root && activeElement.root.activeElement) - activeElement = activeElement.root.activeElement; - return activeElement; - } - // Older versions of IE throws unspecified error when touching - // document.activeElement in some cases (during loading, in iframe) - if (ie && ie_version < 11) activeElt = function() { - try { return document.activeElement; } - catch(e) { return document.body; } - }; - - function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*"); } - var rmClass = CodeMirror.rmClass = function(node, cls) { - var current = node.className; - var match = classTest(cls).exec(current); - if (match) { - var after = current.slice(match.index + match[0].length); - node.className = current.slice(0, match.index) + (after ? match[1] + after : ""); - } - }; - var addClass = CodeMirror.addClass = function(node, cls) { - var current = node.className; - if (!classTest(cls).test(current)) node.className += (current ? " " : "") + cls; - }; - function joinClasses(a, b) { - var as = a.split(" "); - for (var i = 0; i < as.length; i++) - if (as[i] && !classTest(as[i]).test(b)) b += " " + as[i]; - return b; - } - - // WINDOW-WIDE EVENTS - - // These must be handled carefully, because naively registering a - // handler for each editor will cause the editors to never be - // garbage collected. - - function forEachCodeMirror(f) { - if (!document.body.getElementsByClassName) return; - var byClass = document.body.getElementsByClassName("CodeMirror"); - for (var i = 0; i < byClass.length; i++) { - var cm = byClass[i].CodeMirror; - if (cm) f(cm); - } - } - - var globalsRegistered = false; - function ensureGlobalHandlers() { - if (globalsRegistered) return; - registerGlobalHandlers(); - globalsRegistered = true; - } - function registerGlobalHandlers() { - // When the window resizes, we need to refresh active editors. - var resizeTimer; - on(window, "resize", function() { - if (resizeTimer == null) resizeTimer = setTimeout(function() { - resizeTimer = null; - forEachCodeMirror(onResize); - }, 100); - }); - // When the window loses focus, we want to show the editor as blurred - on(window, "blur", function() { - forEachCodeMirror(onBlur); - }); - } - - // FEATURE DETECTION - - // Detect drag-and-drop - var dragAndDrop = function() { - // There is *some* kind of drag-and-drop support in IE6-8, but I - // couldn't get it to work yet. - if (ie && ie_version < 9) return false; - var div = elt('div'); - return "draggable" in div || "dragDrop" in div; - }(); - - var zwspSupported; - function zeroWidthElement(measure) { - if (zwspSupported == null) { - var test = elt("span", "\u200b"); - removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")])); - if (measure.firstChild.offsetHeight != 0) - zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); - } - var node = zwspSupported ? elt("span", "\u200b") : - elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px"); - node.setAttribute("cm-text", ""); - return node; - } - - // Feature-detect IE's crummy client rect reporting for bidi text - var badBidiRects; - function hasBadBidiRects(measure) { - if (badBidiRects != null) return badBidiRects; - var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA")); - var r0 = range(txt, 0, 1).getBoundingClientRect(); - if (!r0 || r0.left == r0.right) return false; // Safari returns null in some cases (#2780) - var r1 = range(txt, 1, 2).getBoundingClientRect(); - return badBidiRects = (r1.right - r0.right < 3); - } - - // See if "".split is the broken IE version, if so, provide an - // alternative way to split lines. - var splitLinesAuto = CodeMirror.splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) { - var pos = 0, result = [], l = string.length; - while (pos <= l) { - var nl = string.indexOf("\n", pos); - if (nl == -1) nl = string.length; - var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl); - var rt = line.indexOf("\r"); - if (rt != -1) { - result.push(line.slice(0, rt)); - pos += rt + 1; - } else { - result.push(line); - pos = nl + 1; - } - } - return result; - } : function(string){return string.split(/\r\n?|\n/);}; - - var hasSelection = window.getSelection ? function(te) { - try { return te.selectionStart != te.selectionEnd; } - catch(e) { return false; } - } : function(te) { - try {var range = te.ownerDocument.selection.createRange();} - catch(e) {} - if (!range || range.parentElement() != te) return false; - return range.compareEndPoints("StartToEnd", range) != 0; - }; - - var hasCopyEvent = (function() { - var e = elt("div"); - if ("oncopy" in e) return true; - e.setAttribute("oncopy", "return;"); - return typeof e.oncopy == "function"; - })(); - - var badZoomedRects = null; - function hasBadZoomedRects(measure) { - if (badZoomedRects != null) return badZoomedRects; - var node = removeChildrenAndAdd(measure, elt("span", "x")); - var normal = node.getBoundingClientRect(); - var fromRange = range(node, 0, 1).getBoundingClientRect(); - return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1; - } - - // KEY NAMES - - var keyNames = CodeMirror.keyNames = { - 3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", - 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", - 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", - 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod", - 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete", - 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", - 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete", - 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert" - }; - (function() { - // Number keys - for (var i = 0; i < 10; i++) keyNames[i + 48] = keyNames[i + 96] = String(i); - // Alphabetic keys - for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i); - // Function keys - for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i; - })(); - - // BIDI HELPERS - - function iterateBidiSections(order, from, to, f) { - if (!order) return f(from, to, "ltr"); - var found = false; - for (var i = 0; i < order.length; ++i) { - var part = order[i]; - if (part.from < to && part.to > from || from == to && part.to == from) { - f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr"); - found = true; - } - } - if (!found) f(from, to, "ltr"); - } - - function bidiLeft(part) { return part.level % 2 ? part.to : part.from; } - function bidiRight(part) { return part.level % 2 ? part.from : part.to; } - - function lineLeft(line) { var order = getOrder(line); return order ? bidiLeft(order[0]) : 0; } - function lineRight(line) { - var order = getOrder(line); - if (!order) return line.text.length; - return bidiRight(lst(order)); - } - - function lineStart(cm, lineN) { - var line = getLine(cm.doc, lineN); - var visual = visualLine(line); - if (visual != line) lineN = lineNo(visual); - var order = getOrder(visual); - var ch = !order ? 0 : order[0].level % 2 ? lineRight(visual) : lineLeft(visual); - return Pos(lineN, ch); - } - function lineEnd(cm, lineN) { - var merged, line = getLine(cm.doc, lineN); - while (merged = collapsedSpanAtEnd(line)) { - line = merged.find(1, true).line; - lineN = null; - } - var order = getOrder(line); - var ch = !order ? line.text.length : order[0].level % 2 ? lineLeft(line) : lineRight(line); - return Pos(lineN == null ? lineNo(line) : lineN, ch); - } - function lineStartSmart(cm, pos) { - var start = lineStart(cm, pos.line); - var line = getLine(cm.doc, start.line); - var order = getOrder(line); - if (!order || order[0].level == 0) { - var firstNonWS = Math.max(0, line.text.search(/\S/)); - var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch; - return Pos(start.line, inWS ? 0 : firstNonWS); - } - return start; - } - - function compareBidiLevel(order, a, b) { - var linedir = order[0].level; - if (a == linedir) return true; - if (b == linedir) return false; - return a < b; - } - var bidiOther; - function getBidiPartAt(order, pos) { - bidiOther = null; - for (var i = 0, found; i < order.length; ++i) { - var cur = order[i]; - if (cur.from < pos && cur.to > pos) return i; - if ((cur.from == pos || cur.to == pos)) { - if (found == null) { - found = i; - } else if (compareBidiLevel(order, cur.level, order[found].level)) { - if (cur.from != cur.to) bidiOther = found; - return i; - } else { - if (cur.from != cur.to) bidiOther = i; - return found; - } - } - } - return found; - } - - function moveInLine(line, pos, dir, byUnit) { - if (!byUnit) return pos + dir; - do pos += dir; - while (pos > 0 && isExtendingChar(line.text.charAt(pos))); - return pos; - } - - // This is needed in order to move 'visually' through bi-directional - // text -- i.e., pressing left should make the cursor go left, even - // when in RTL text. The tricky part is the 'jumps', where RTL and - // LTR text touch each other. This often requires the cursor offset - // to move more than one unit, in order to visually move one unit. - function moveVisually(line, start, dir, byUnit) { - var bidi = getOrder(line); - if (!bidi) return moveLogically(line, start, dir, byUnit); - var pos = getBidiPartAt(bidi, start), part = bidi[pos]; - var target = moveInLine(line, start, part.level % 2 ? -dir : dir, byUnit); - - for (;;) { - if (target > part.from && target < part.to) return target; - if (target == part.from || target == part.to) { - if (getBidiPartAt(bidi, target) == pos) return target; - part = bidi[pos += dir]; - return (dir > 0) == part.level % 2 ? part.to : part.from; - } else { - part = bidi[pos += dir]; - if (!part) return null; - if ((dir > 0) == part.level % 2) - target = moveInLine(line, part.to, -1, byUnit); - else - target = moveInLine(line, part.from, 1, byUnit); - } - } - } - - function moveLogically(line, start, dir, byUnit) { - var target = start + dir; - if (byUnit) while (target > 0 && isExtendingChar(line.text.charAt(target))) target += dir; - return target < 0 || target > line.text.length ? null : target; - } - - // Bidirectional ordering algorithm - // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm - // that this (partially) implements. - - // One-char codes used for character types: - // L (L): Left-to-Right - // R (R): Right-to-Left - // r (AL): Right-to-Left Arabic - // 1 (EN): European Number - // + (ES): European Number Separator - // % (ET): European Number Terminator - // n (AN): Arabic Number - // , (CS): Common Number Separator - // m (NSM): Non-Spacing Mark - // b (BN): Boundary Neutral - // s (B): Paragraph Separator - // t (S): Segment Separator - // w (WS): Whitespace - // N (ON): Other Neutrals - - // Returns null if characters are ordered as they appear - // (left-to-right), or an array of sections ({from, to, level} - // objects) in the order in which they occur visually. - var bidiOrdering = (function() { - // Character types for codepoints 0 to 0xff - var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN"; - // Character types for codepoints 0x600 to 0x6ff - var arabicTypes = "rrrrrrrrrrrr,rNNmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmrrrrrrrnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmNmmmm"; - function charType(code) { - if (code <= 0xf7) return lowTypes.charAt(code); - else if (0x590 <= code && code <= 0x5f4) return "R"; - else if (0x600 <= code && code <= 0x6ed) return arabicTypes.charAt(code - 0x600); - else if (0x6ee <= code && code <= 0x8ac) return "r"; - else if (0x2000 <= code && code <= 0x200b) return "w"; - else if (code == 0x200c) return "b"; - else return "L"; - } - - var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/; - var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/; - // Browsers seem to always treat the boundaries of block elements as being L. - var outerType = "L"; - - function BidiSpan(level, from, to) { - this.level = level; - this.from = from; this.to = to; - } - - return function(str) { - if (!bidiRE.test(str)) return false; - var len = str.length, types = []; - for (var i = 0, type; i < len; ++i) - types.push(type = charType(str.charCodeAt(i))); - - // W1. Examine each non-spacing mark (NSM) in the level run, and - // change the type of the NSM to the type of the previous - // character. If the NSM is at the start of the level run, it will - // get the type of sor. - for (var i = 0, prev = outerType; i < len; ++i) { - var type = types[i]; - if (type == "m") types[i] = prev; - else prev = type; - } - - // W2. Search backwards from each instance of a European number - // until the first strong type (R, L, AL, or sor) is found. If an - // AL is found, change the type of the European number to Arabic - // number. - // W3. Change all ALs to R. - for (var i = 0, cur = outerType; i < len; ++i) { - var type = types[i]; - if (type == "1" && cur == "r") types[i] = "n"; - else if (isStrong.test(type)) { cur = type; if (type == "r") types[i] = "R"; } - } - - // W4. A single European separator between two European numbers - // changes to a European number. A single common separator between - // two numbers of the same type changes to that type. - for (var i = 1, prev = types[0]; i < len - 1; ++i) { - var type = types[i]; - if (type == "+" && prev == "1" && types[i+1] == "1") types[i] = "1"; - else if (type == "," && prev == types[i+1] && - (prev == "1" || prev == "n")) types[i] = prev; - prev = type; - } - - // W5. A sequence of European terminators adjacent to European - // numbers changes to all European numbers. - // W6. Otherwise, separators and terminators change to Other - // Neutral. - for (var i = 0; i < len; ++i) { - var type = types[i]; - if (type == ",") types[i] = "N"; - else if (type == "%") { - for (var end = i + 1; end < len && types[end] == "%"; ++end) {} - var replace = (i && types[i-1] == "!") || (end < len && types[end] == "1") ? "1" : "N"; - for (var j = i; j < end; ++j) types[j] = replace; - i = end - 1; - } - } - - // W7. Search backwards from each instance of a European number - // until the first strong type (R, L, or sor) is found. If an L is - // found, then change the type of the European number to L. - for (var i = 0, cur = outerType; i < len; ++i) { - var type = types[i]; - if (cur == "L" && type == "1") types[i] = "L"; - else if (isStrong.test(type)) cur = type; - } - - // N1. A sequence of neutrals takes the direction of the - // surrounding strong text if the text on both sides has the same - // direction. European and Arabic numbers act as if they were R in - // terms of their influence on neutrals. Start-of-level-run (sor) - // and end-of-level-run (eor) are used at level run boundaries. - // N2. Any remaining neutrals take the embedding direction. - for (var i = 0; i < len; ++i) { - if (isNeutral.test(types[i])) { - for (var end = i + 1; end < len && isNeutral.test(types[end]); ++end) {} - var before = (i ? types[i-1] : outerType) == "L"; - var after = (end < len ? types[end] : outerType) == "L"; - var replace = before || after ? "L" : "R"; - for (var j = i; j < end; ++j) types[j] = replace; - i = end - 1; - } - } - - // Here we depart from the documented algorithm, in order to avoid - // building up an actual levels array. Since there are only three - // levels (0, 1, 2) in an implementation that doesn't take - // explicit embedding into account, we can build up the order on - // the fly, without following the level-based algorithm. - var order = [], m; - for (var i = 0; i < len;) { - if (countsAsLeft.test(types[i])) { - var start = i; - for (++i; i < len && countsAsLeft.test(types[i]); ++i) {} - order.push(new BidiSpan(0, start, i)); - } else { - var pos = i, at = order.length; - for (++i; i < len && types[i] != "L"; ++i) {} - for (var j = pos; j < i;) { - if (countsAsNum.test(types[j])) { - if (pos < j) order.splice(at, 0, new BidiSpan(1, pos, j)); - var nstart = j; - for (++j; j < i && countsAsNum.test(types[j]); ++j) {} - order.splice(at, 0, new BidiSpan(2, nstart, j)); - pos = j; - } else ++j; - } - if (pos < i) order.splice(at, 0, new BidiSpan(1, pos, i)); - } - } - if (order[0].level == 1 && (m = str.match(/^\s+/))) { - order[0].from = m[0].length; - order.unshift(new BidiSpan(0, 0, m[0].length)); - } - if (lst(order).level == 1 && (m = str.match(/\s+$/))) { - lst(order).to -= m[0].length; - order.push(new BidiSpan(0, len - m[0].length, len)); - } - if (order[0].level == 2) - order.unshift(new BidiSpan(1, order[0].to, order[0].to)); - if (order[0].level != lst(order).level) - order.push(new BidiSpan(order[0].level, len, len)); - - return order; - }; - })(); - - // THE END - - CodeMirror.version = "5.12.0"; - - return CodeMirror; -}); +(function(global,factory){typeof exports==='object'&&typeof module!=='undefined'?module.exports=factory():typeof define==='function'&&define.amd?define(factory):(global.CodeMirror=factory());}(this,(function(){'use strict';var userAgent=navigator.userAgent +var platform=navigator.platform +var gecko=/gecko\/\d/i.test(userAgent) +var ie_upto10=/MSIE \d/.test(userAgent) +var ie_11up=/Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent) +var edge=/Edge\/(\d+)/.exec(userAgent) +var ie=ie_upto10||ie_11up||edge +var ie_version=ie&&(ie_upto10?document.documentMode||6:+(edge||ie_11up)[1]) +var webkit=!edge&&/WebKit\//.test(userAgent) +var qtwebkit=webkit&&/Qt\/\d+\.\d+/.test(userAgent) +var chrome=!edge&&/Chrome\//.test(userAgent) +var presto=/Opera\//.test(userAgent) +var safari=/Apple Computer/.test(navigator.vendor) +var mac_geMountainLion=/Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent) +var phantom=/PhantomJS/.test(userAgent) +var ios=!edge&&/AppleWebKit/.test(userAgent)&&/Mobile\/\w+/.test(userAgent) +var android=/Android/.test(userAgent) +var mobile=ios||android||/webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent) +var mac=ios||/Mac/.test(platform) +var chromeOS=/\bCrOS\b/.test(userAgent) +var windows=/win/i.test(platform) +var presto_version=presto&&userAgent.match(/Version\/(\d*\.\d*)/) +if(presto_version){presto_version=Number(presto_version[1])} +if(presto_version&&presto_version>=15){presto=false;webkit=true} +var flipCtrlCmd=mac&&(qtwebkit||presto&&(presto_version==null||presto_version<12.11)) +var captureRightClick=gecko||(ie&&ie_version>=9) +function classTest(cls){return new RegExp("(^|\\s)"+cls+"(?:$|\\s)\\s*")} +var rmClass=function(node,cls){var current=node.className +var match=classTest(cls).exec(current) +if(match){var after=current.slice(match.index+match[0].length) +node.className=current.slice(0,match.index)+(after?match[1]+after:"")}} +function removeChildren(e){for(var count=e.childNodes.length;count>0;--count) +{e.removeChild(e.firstChild)} +return e} +function removeChildrenAndAdd(parent,e){return removeChildren(parent).appendChild(e)} +function elt(tag,content,className,style){var e=document.createElement(tag) +if(className){e.className=className} +if(style){e.style.cssText=style} +if(typeof content=="string"){e.appendChild(document.createTextNode(content))} +else if(content){for(var i=0;i=end) +{return n+(end-i)} +n+=nextTab-i +n+=tabSize-(n%tabSize) +i=nextTab+1}} +var Delayed=function(){this.id=null};Delayed.prototype.set=function(ms,f){clearTimeout(this.id) +this.id=setTimeout(f,ms)};function indexOf(array,elt){for(var i=0;i=goal) +{return pos+Math.min(skipped,goal-col)} +col+=nextTab-pos +col+=tabSize-(col%tabSize) +pos=nextTab+1 +if(col>=goal){return pos}}} +var spaceStrs=[""] +function spaceStr(n){while(spaceStrs.length<=n) +{spaceStrs.push(lst(spaceStrs)+" ")} +return spaceStrs[n]} +function lst(arr){return arr[arr.length-1]} +function map(array,f){var out=[] +for(var i=0;i"\x80"&&(ch.toUpperCase()!=ch.toLowerCase()||nonASCIISingleCaseWordChar.test(ch))} +function isWordChar(ch,helper){if(!helper){return isWordCharBasic(ch)} +if(helper.source.indexOf("\\w")>-1&&isWordCharBasic(ch)){return true} +return helper.test(ch)} +function isEmpty(obj){for(var n in obj){if(obj.hasOwnProperty(n)&&obj[n]){return false}} +return true} +var extendingChars=/[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/ +function isExtendingChar(ch){return ch.charCodeAt(0)>=768&&extendingChars.test(ch)} +function skipExtendingChars(str,pos,dir){while((dir<0?pos>0:posto?-1:1 +for(;;){if(from==to){return from} +var midF=(from+to)/ 2,mid=dir<0?Math.ceil(midF):Math.floor(midF) +if(mid==from){return pred(mid)?from:to} +if(pred(mid)){to=mid} +else{from=mid+dir}}} +function Display(place,doc,input){var d=this +this.input=input +d.scrollbarFiller=elt("div",null,"CodeMirror-scrollbar-filler") +d.scrollbarFiller.setAttribute("cm-not-content","true") +d.gutterFiller=elt("div",null,"CodeMirror-gutter-filler") +d.gutterFiller.setAttribute("cm-not-content","true") +d.lineDiv=eltP("div",null,"CodeMirror-code") +d.selectionDiv=elt("div",null,null,"position: relative; z-index: 1") +d.cursorDiv=elt("div",null,"CodeMirror-cursors") +d.measure=elt("div",null,"CodeMirror-measure") +d.lineMeasure=elt("div",null,"CodeMirror-measure") +d.lineSpace=eltP("div",[d.measure,d.lineMeasure,d.selectionDiv,d.cursorDiv,d.lineDiv],null,"position: relative; outline: none") +var lines=eltP("div",[d.lineSpace],"CodeMirror-lines") +d.mover=elt("div",[lines],null,"position: relative") +d.sizer=elt("div",[d.mover],"CodeMirror-sizer") +d.sizerWidth=null +d.heightForcer=elt("div",null,null,"position: absolute; height: "+scrollerGap+"px; width: 1px;") +d.gutters=elt("div",null,"CodeMirror-gutters") +d.lineGutter=null +d.scroller=elt("div",[d.sizer,d.heightForcer,d.gutters],"CodeMirror-scroll") +d.scroller.setAttribute("tabIndex","-1") +d.wrapper=elt("div",[d.scrollbarFiller,d.gutterFiller,d.scroller],"CodeMirror") +if(ie&&ie_version<8){d.gutters.style.zIndex=-1;d.scroller.style.paddingRight=0} +if(!webkit&&!(gecko&&mobile)){d.scroller.draggable=true} +if(place){if(place.appendChild){place.appendChild(d.wrapper)} +else{place(d.wrapper)}} +d.viewFrom=d.viewTo=doc.first +d.reportedViewFrom=d.reportedViewTo=doc.first +d.view=[] +d.renderedView=null +d.externalMeasured=null +d.viewOffset=0 +d.lastWrapHeight=d.lastWrapWidth=0 +d.updateLineNumbers=null +d.nativeBarWidth=d.barHeight=d.barWidth=0 +d.scrollbarsClipped=false +d.lineNumWidth=d.lineNumInnerWidth=d.lineNumChars=null +d.alignWidgets=false +d.cachedCharWidth=d.cachedTextHeight=d.cachedPaddingH=null +d.maxLine=null +d.maxLineLength=0 +d.maxLineChanged=false +d.wheelDX=d.wheelDY=d.wheelStartX=d.wheelStartY=null +d.shift=false +d.selForContextMenu=null +d.activeTouch=null +input.init(d)} +function getLine(doc,n){n-=doc.first +if(n<0||n>=doc.size){throw new Error("There is no line "+(n+doc.first)+" in the document.")} +var chunk=doc +while(!chunk.lines){for(var i=0;;++i){var child=chunk.children[i],sz=child.chunkSize() +if(n=doc.first&&llast){return Pos(last,getLine(doc,last).text.length)} +return clipToLen(pos,getLine(doc,pos.line).text.length)} +function clipToLen(pos,linelen){var ch=pos.ch +if(ch==null||ch>linelen){return Pos(pos.line,linelen)} +else if(ch<0){return Pos(pos.line,0)} +else{return pos}} +function clipPosArray(doc,array){var out=[] +for(var i=0;i=startCh:span.to>startCh);(nw||(nw=[])).push(new MarkedSpan(marker,span.from,endsAfter?null:span.to))}}} +return nw} +function markedSpansAfter(old,endCh,isInsert){var nw +if(old){for(var i=0;i=endCh:span.to>endCh) +if(endsAfter||span.from==endCh&&marker.type=="bookmark"&&(!isInsert||span.marker.insertLeft)){var startsBefore=span.from==null||(marker.inclusiveLeft?span.from<=endCh:span.from0&&first) +{for(var i$2=0;i$20){continue} +var newParts=[j,1],dfrom=cmp(p.from,m.from),dto=cmp(p.to,m.to) +if(dfrom<0||!mk.inclusiveLeft&&!dfrom) +{newParts.push({from:p.from,to:m.from})} +if(dto>0||!mk.inclusiveRight&&!dto) +{newParts.push({from:m.to,to:p.to})} +parts.splice.apply(parts,newParts) +j+=newParts.length-3}} +return parts} +function detachMarkedSpans(line){var spans=line.markedSpans +if(!spans){return} +for(var i=0;i=0&&toCmp<=0||fromCmp<=0&&toCmp>=0){continue} +if(fromCmp<=0&&(sp.marker.inclusiveRight&&marker.inclusiveLeft?cmp(found.to,from)>=0:cmp(found.to,from)>0)||fromCmp>=0&&(sp.marker.inclusiveRight&&marker.inclusiveLeft?cmp(found.from,to)<=0:cmp(found.from,to)<0)) +{return true}}}} +function visualLine(line){var merged +while(merged=collapsedSpanAtStart(line)) +{line=merged.find(-1,true).line} +return line} +function visualLineEnd(line){var merged +while(merged=collapsedSpanAtEnd(line)) +{line=merged.find(1,true).line} +return line} +function visualLineContinued(line){var merged,lines +while(merged=collapsedSpanAtEnd(line)){line=merged.find(1,true).line;(lines||(lines=[])).push(line)} +return lines} +function visualLineNo(doc,lineN){var line=getLine(doc,lineN),vis=visualLine(line) +if(line==vis){return lineN} +return lineNo(vis)} +function visualLineEndNo(doc,lineN){if(lineN>doc.lastLine()){return lineN} +var line=getLine(doc,lineN),merged +if(!lineIsHidden(doc,line)){return lineN} +while(merged=collapsedSpanAtEnd(line)) +{line=merged.find(1,true).line} +return lineNo(line)+1} +function lineIsHidden(doc,line){var sps=sawCollapsedSpans&&line.markedSpans +if(sps){for(var sp=(void 0),i=0;id.maxLineLength){d.maxLineLength=len +d.maxLine=line}})} +function iterateBidiSections(order,from,to,f){if(!order){return f(from,to,"ltr",0)} +var found=false +for(var i=0;ifrom||from==to&&part.to==from){f(Math.max(part.from,from),Math.min(part.to,to),part.level==1?"rtl":"ltr",i) +found=true}} +if(!found){f(from,to,"ltr")}} +var bidiOther=null +function getBidiPartAt(order,ch,sticky){var found +bidiOther=null +for(var i=0;ich){return i} +if(cur.to==ch){if(cur.from!=cur.to&&sticky=="before"){found=i} +else{bidiOther=i}} +if(cur.from==ch){if(cur.from!=cur.to&&sticky!="before"){found=i} +else{bidiOther=i}}} +return found!=null?found:bidiOther} +var bidiOrdering=(function(){var lowTypes="bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN" +var arabicTypes="nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111" +function charType(code){if(code<=0xf7){return lowTypes.charAt(code)} +else if(0x590<=code&&code<=0x5f4){return"R"} +else if(0x600<=code&&code<=0x6f9){return arabicTypes.charAt(code-0x600)} +else if(0x6ee<=code&&code<=0x8ac){return"r"} +else if(0x2000<=code&&code<=0x200b){return"w"} +else if(code==0x200c){return"b"} +else{return"L"}} +var bidiRE=/[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/ +var isNeutral=/[stwN]/,isStrong=/[LRr]/,countsAsLeft=/[Lb1n]/,countsAsNum=/[1n]/ +function BidiSpan(level,from,to){this.level=level +this.from=from;this.to=to} +return function(str,direction){var outerType=direction=="ltr"?"L":"R" +if(str.length==0||direction=="ltr"&&!bidiRE.test(str)){return false} +var len=str.length,types=[] +for(var i=0;i-1) +{map[type]=arr.slice(0,index).concat(arr.slice(index+1))}}}} +function signal(emitter,type){var handlers=getHandlers(emitter,type) +if(!handlers.length){return} +var args=Array.prototype.slice.call(arguments,2) +for(var i=0;i0} +function eventMixin(ctor){ctor.prototype.on=function(type,f){on(this,type,f)} +ctor.prototype.off=function(type,f){off(this,type,f)}} +function e_preventDefault(e){if(e.preventDefault){e.preventDefault()} +else{e.returnValue=false}} +function e_stopPropagation(e){if(e.stopPropagation){e.stopPropagation()} +else{e.cancelBubble=true}} +function e_defaultPrevented(e){return e.defaultPrevented!=null?e.defaultPrevented:e.returnValue==false} +function e_stop(e){e_preventDefault(e);e_stopPropagation(e)} +function e_target(e){return e.target||e.srcElement} +function e_button(e){var b=e.which +if(b==null){if(e.button&1){b=1} +else if(e.button&2){b=3} +else if(e.button&4){b=2}} +if(mac&&e.ctrlKey&&b==1){b=3} +return b} +var dragAndDrop=function(){if(ie&&ie_version<9){return false} +var div=elt('div') +return"draggable"in div||"dragDrop"in div}() +var zwspSupported +function zeroWidthElement(measure){if(zwspSupported==null){var test=elt("span","\u200b") +removeChildrenAndAdd(measure,elt("span",[test,document.createTextNode("x")])) +if(measure.firstChild.offsetHeight!=0) +{zwspSupported=test.offsetWidth<=1&&test.offsetHeight>2&&!(ie&&ie_version<8)}} +var node=zwspSupported?elt("span","\u200b"):elt("span","\u00a0",null,"display: inline-block; width: 1px; margin-right: -1px") +node.setAttribute("cm-text","") +return node} +var badBidiRects +function hasBadBidiRects(measure){if(badBidiRects!=null){return badBidiRects} +var txt=removeChildrenAndAdd(measure,document.createTextNode("A\u062eA")) +var r0=range(txt,0,1).getBoundingClientRect() +var r1=range(txt,1,2).getBoundingClientRect() +removeChildren(measure) +if(!r0||r0.left==r0.right){return false} +return badBidiRects=(r1.right-r0.right<3)} +var splitLinesAuto="\n\nb".split(/\n/).length!=3?function(string){var pos=0,result=[],l=string.length +while(pos<=l){var nl=string.indexOf("\n",pos) +if(nl==-1){nl=string.length} +var line=string.slice(pos,string.charAt(nl-1)=="\r"?nl-1:nl) +var rt=line.indexOf("\r") +if(rt!=-1){result.push(line.slice(0,rt)) +pos+=rt+1}else{result.push(line) +pos=nl+1}} +return result}:function(string){return string.split(/\r\n?|\n/);} +var hasSelection=window.getSelection?function(te){try{return te.selectionStart!=te.selectionEnd} +catch(e){return false}}:function(te){var range +try{range=te.ownerDocument.selection.createRange()} +catch(e){} +if(!range||range.parentElement()!=te){return false} +return range.compareEndPoints("StartToEnd",range)!=0} +var hasCopyEvent=(function(){var e=elt("div") +if("oncopy"in e){return true} +e.setAttribute("oncopy","return;") +return typeof e.oncopy=="function"})() +var badZoomedRects=null +function hasBadZoomedRects(measure){if(badZoomedRects!=null){return badZoomedRects} +var node=removeChildrenAndAdd(measure,elt("span","x")) +var normal=node.getBoundingClientRect() +var fromRange=range(node,0,1).getBoundingClientRect() +return badZoomedRects=Math.abs(normal.left-fromRange.left)>1} +var modes={};var mimeModes={};function defineMode(name,mode){if(arguments.length>2) +{mode.dependencies=Array.prototype.slice.call(arguments,2)} +modes[name]=mode} +function defineMIME(mime,spec){mimeModes[mime]=spec} +function resolveMode(spec){if(typeof spec=="string"&&mimeModes.hasOwnProperty(spec)){spec=mimeModes[spec]}else if(spec&&typeof spec.name=="string"&&mimeModes.hasOwnProperty(spec.name)){var found=mimeModes[spec.name] +if(typeof found=="string"){found={name:found}} +spec=createObj(found,spec) +spec.name=found.name}else if(typeof spec=="string"&&/^[\w\-]+\/[\w\-]+\+xml$/.test(spec)){return resolveMode("application/xml")}else if(typeof spec=="string"&&/^[\w\-]+\/[\w\-]+\+json$/.test(spec)){return resolveMode("application/json")} +if(typeof spec=="string"){return{name:spec}} +else{return spec||{name:"null"}}} +function getMode(options,spec){spec=resolveMode(spec) +var mfactory=modes[spec.name] +if(!mfactory){return getMode(options,"text/plain")} +var modeObj=mfactory(options,spec) +if(modeExtensions.hasOwnProperty(spec.name)){var exts=modeExtensions[spec.name] +for(var prop in exts){if(!exts.hasOwnProperty(prop)){continue} +if(modeObj.hasOwnProperty(prop)){modeObj["_"+prop]=modeObj[prop]} +modeObj[prop]=exts[prop]}} +modeObj.name=spec.name +if(spec.helperType){modeObj.helperType=spec.helperType} +if(spec.modeProps){for(var prop$1 in spec.modeProps) +{modeObj[prop$1]=spec.modeProps[prop$1]}} +return modeObj} +var modeExtensions={} +function extendMode(mode,properties){var exts=modeExtensions.hasOwnProperty(mode)?modeExtensions[mode]:(modeExtensions[mode]={}) +copyObj(properties,exts)} +function copyState(mode,state){if(state===true){return state} +if(mode.copyState){return mode.copyState(state)} +var nstate={} +for(var n in state){var val=state[n] +if(val instanceof Array){val=val.concat([])} +nstate[n]=val} +return nstate} +function innerMode(mode,state){var info +while(mode.innerMode){info=mode.innerMode(state) +if(!info||info.mode==mode){break} +state=info.state +mode=info.mode} +return info||{mode:mode,state:state}} +function startState(mode,a1,a2){return mode.startState?mode.startState(a1,a2):true} +var StringStream=function(string,tabSize,lineOracle){this.pos=this.start=0 +this.string=string +this.tabSize=tabSize||8 +this.lastColumnPos=this.lastColumnValue=0 +this.lineStart=0 +this.lineOracle=lineOracle};StringStream.prototype.eol=function(){return this.pos>=this.string.length};StringStream.prototype.sol=function(){return this.pos==this.lineStart};StringStream.prototype.peek=function(){return this.string.charAt(this.pos)||undefined};StringStream.prototype.next=function(){if(this.posstart};StringStream.prototype.eatSpace=function(){var this$1=this;var start=this.pos +while(/[\s\u00a0]/.test(this.string.charAt(this.pos))){++this$1.pos} +return this.pos>start};StringStream.prototype.skipToEnd=function(){this.pos=this.string.length};StringStream.prototype.skipTo=function(ch){var found=this.string.indexOf(ch,this.pos) +if(found>-1){this.pos=found;return true}};StringStream.prototype.backUp=function(n){this.pos-=n};StringStream.prototype.column=function(){if(this.lastColumnPos0){return null} +if(match&&consume!==false){this.pos+=match[0].length} +return match}};StringStream.prototype.current=function(){return this.string.slice(this.start,this.pos)};StringStream.prototype.hideFirstChars=function(n,inner){this.lineStart+=n +try{return inner()} +finally{this.lineStart-=n}};StringStream.prototype.lookAhead=function(n){var oracle=this.lineOracle +return oracle&&oracle.lookAhead(n)};StringStream.prototype.baseToken=function(){var oracle=this.lineOracle +return oracle&&oracle.baseToken(this.pos)};var SavedContext=function(state,lookAhead){this.state=state +this.lookAhead=lookAhead};var Context=function(doc,state,line,lookAhead){this.state=state +this.doc=doc +this.line=line +this.maxLookAhead=lookAhead||0 +this.baseTokens=null +this.baseTokenPos=1};Context.prototype.lookAhead=function(n){var line=this.doc.getLine(this.line+n) +if(line!=null&&n>this.maxLookAhead){this.maxLookAhead=n} +return line};Context.prototype.baseToken=function(n){var this$1=this;if(!this.baseTokens){return null} +while(this.baseTokens[this.baseTokenPos]<=n) +{this$1.baseTokenPos+=2} +var type=this.baseTokens[this.baseTokenPos+1] +return{type:type&&type.replace(/( |^)overlay .*/,""),size:this.baseTokens[this.baseTokenPos]-n}};Context.prototype.nextLine=function(){this.line++ +if(this.maxLookAhead>0){this.maxLookAhead--}};Context.fromSaved=function(doc,saved,line){if(saved instanceof SavedContext) +{return new Context(doc,copyState(doc.mode,saved.state),line,saved.lookAhead)} +else +{return new Context(doc,copyState(doc.mode,saved),line)}};Context.prototype.save=function(copy){var state=copy!==false?copyState(this.doc.mode,this.state):this.state +return this.maxLookAhead>0?new SavedContext(state,this.maxLookAhead):state};function highlightLine(cm,line,context,forceToEnd){var st=[cm.state.modeGen],lineClasses={} +runMode(cm,line.text,cm.doc.mode,context,function(end,style){return st.push(end,style);},lineClasses,forceToEnd) +var state=context.state +var loop=function(o){context.baseTokens=st +var overlay=cm.state.overlays[o],i=1,at=0 +context.state=true +runMode(cm,line.text,overlay.mode,context,function(end,style){var start=i +while(atend) +{st.splice(i,1,end,st[i+1],i_end)} +i+=2 +at=Math.min(end,i_end)} +if(!style){return} +if(overlay.opaque){st.splice(start,i-start,end,"overlay "+style) +i=start+2}else{for(;startcm.options.maxHighlightLength&©State(cm.doc.mode,context.state) +var result=highlightLine(cm,line,context) +if(resetState){context.state=resetState} +line.stateAfter=context.save(!resetState) +line.styles=result.styles +if(result.classes){line.styleClasses=result.classes} +else if(line.styleClasses){line.styleClasses=null} +if(updateFrontier===cm.doc.highlightFrontier) +{cm.doc.modeFrontier=Math.max(cm.doc.modeFrontier,++cm.doc.highlightFrontier)}} +return line.styles} +function getContextBefore(cm,n,precise){var doc=cm.doc,display=cm.display +if(!doc.mode.startState){return new Context(doc,true,n)} +var start=findStartLine(cm,n,precise) +var saved=start>doc.first&&getLine(doc,start-1).stateAfter +var context=saved?Context.fromSaved(doc,saved,start):new Context(doc,startState(doc.mode),start) +doc.iter(start,n,function(line){processLine(cm,line.text,context) +var pos=context.line +line.stateAfter=pos==n-1||pos%5==0||pos>=display.viewFrom&&posstream.start){return style}} +throw new Error("Mode "+mode.name+" failed to advance stream.")} +var Token=function(stream,type,state){this.start=stream.start;this.end=stream.pos +this.string=stream.current() +this.type=type||null +this.state=state};function takeToken(cm,pos,precise,asArray){var doc=cm.doc,mode=doc.mode,style +pos=clipPos(doc,pos) +var line=getLine(doc,pos.line),context=getContextBefore(cm,pos.line,precise) +var stream=new StringStream(line.text,cm.options.tabSize,context),tokens +if(asArray){tokens=[]} +while((asArray||stream.poscm.options.maxHighlightLength){flattenSpans=false +if(forceToEnd){processLine(cm,text,context,stream.pos)} +stream.pos=text.length +style=null}else{style=extractLineClasses(readToken(mode,stream,context.state,inner),lineClasses)} +if(inner){var mName=inner[0].name +if(mName){style="m-"+(style?mName+" "+style:mName)}} +if(!flattenSpans||curStyle!=style){while(curStartlim;--search){if(search<=doc.first){return doc.first} +var line=getLine(doc,search-1),after=line.stateAfter +if(after&&(!precise||search+(after instanceof SavedContext?after.lookAhead:0)<=doc.modeFrontier)) +{return search} +var indented=countColumn(line.text,null,cm.options.tabSize) +if(minline==null||minindent>indented){minline=search-1 +minindent=indented}} +return minline} +function retreatFrontier(doc,n){doc.modeFrontier=Math.min(doc.modeFrontier,n) +if(doc.highlightFrontierstart;line--){var saved=getLine(doc,line).stateAfter +if(saved&&(!(saved instanceof SavedContext)||line+saved.lookAhead1&&!/ /.test(text)){return text} +var spaceBefore=trailingBefore,result="" +for(var i=0;istart&&part.from<=start){break}} +if(part.to>=end){return inner(builder,text,style,startStyle,endStyle,title,css)} +inner(builder,text.slice(0,part.to-start),style,startStyle,null,title,css) +startStyle=null +text=text.slice(part.to-start) +start=part.to}}} +function buildCollapsedSpan(builder,size,marker,ignoreWidget){var widget=!ignoreWidget&&marker.widgetNode +if(widget){builder.map.push(builder.pos,builder.pos+size,widget)} +if(!ignoreWidget&&builder.cm.display.input.needsContentAttribute){if(!widget) +{widget=builder.content.appendChild(document.createElement("span"))} +widget.setAttribute("cm-marker",marker.id)} +if(widget){builder.cm.display.input.setUneditable(widget) +builder.content.appendChild(widget)} +builder.pos+=size +builder.trailingSpace=false} +function insertLineContent(line,builder,styles){var spans=line.markedSpans,allText=line.text,at=0 +if(!spans){for(var i$1=1;i$1pos||m.collapsed&&sp.to==pos&&sp.from==pos)){if(sp.to!=null&&sp.to!=pos&&nextChange>sp.to){nextChange=sp.to +spanEndStyle=""} +if(m.className){spanStyle+=" "+m.className} +if(m.css){css=(css?css+";":"")+m.css} +if(m.startStyle&&sp.from==pos){spanStartStyle+=" "+m.startStyle} +if(m.endStyle&&sp.to==nextChange){(endStyles||(endStyles=[])).push(m.endStyle,sp.to)} +if(m.title&&!title){title=m.title} +if(m.collapsed&&(!collapsed||compareCollapsedMarkers(collapsed.marker,m)<0)) +{collapsed=sp}}else if(sp.from>pos&&nextChange>sp.from){nextChange=sp.from}} +if(endStyles){for(var j$1=0;j$1=len){break} +var upto=Math.min(len,nextChange) +while(true){if(text){var end=pos+text.length +if(!collapsed){var tokenText=end>upto?text.slice(0,upto-pos):text +builder.addToken(builder,tokenText,style?style+spanStyle:spanStyle,spanStartStyle,pos+tokenText.length==nextChange?spanEndStyle:"",title,css)} +if(end>=upto){text=text.slice(upto-pos);pos=upto;break} +pos=end +spanStartStyle=""} +text=allText.slice(at,at=styles[i++]) +style=interpretTokenStyle(styles[i++],builder.cm.options)}}} +function LineView(doc,line,lineN){this.line=line +this.rest=visualLineContinued(line) +this.size=this.rest?lineNo(lst(this.rest))-lineN+1:1 +this.node=this.text=null +this.hidden=lineIsHidden(doc,line)} +function buildViewArray(cm,from,to){var array=[],nextPos +for(var pos=from;pos2) +{heights.push((cur.bottom+next.top)/ 2-rect.top)}}} +heights.push(rect.bottom-rect.top)}} +function mapFromLineView(lineView,line,lineN){if(lineView.line==line) +{return{map:lineView.measure.map,cache:lineView.measure.cache}} +for(var i=0;ilineN) +{return{map:lineView.measure.maps[i$1],cache:lineView.measure.caches[i$1],before:true}}}} +function updateExternalMeasurement(cm,line){line=visualLine(line) +var lineN=lineNo(line) +var view=cm.display.externalMeasured=new LineView(cm.doc,line,lineN) +view.lineN=lineN +var built=view.built=buildLineContent(cm,view) +view.text=built.pre +removeChildrenAndAdd(cm.display.lineMeasure,built.pre) +return view} +function measureChar(cm,line,ch,bias){return measureCharPrepared(cm,prepareMeasureForLine(cm,line),ch,bias)} +function findViewForLine(cm,lineN){if(lineN>=cm.display.viewFrom&&lineN=ext.lineN&&lineNch){end=mEnd-mStart +start=end-1 +if(ch>=mEnd){collapse="right"}} +if(start!=null){node=map[i+2] +if(mStart==mEnd&&bias==(node.insertLeft?"left":"right")) +{collapse=bias} +if(bias=="left"&&start==0) +{while(i&&map[i-2]==map[i-3]&&map[i-1].insertLeft){node=map[(i-=3)+2] +collapse="left"}} +if(bias=="right"&&start==mEnd-mStart) +{while(i=0;i$1--){if((rect=rects[i$1]).left!=rect.right){break}}} +return rect} +function measureCharInner(cm,prepared,ch,bias){var place=nodeAndOffsetInLineMap(prepared.map,ch,bias) +var node=place.node,start=place.start,end=place.end,collapse=place.collapse +var rect +if(node.nodeType==3){for(var i$1=0;i$1<4;i$1++){while(start&&isExtendingChar(prepared.line.text.charAt(place.coverStart+start))){--start} +while(place.coverStart+end0){collapse=bias="right"} +var rects +if(cm.options.lineWrapping&&(rects=node.getClientRects()).length>1) +{rect=rects[bias=="right"?rects.length-1:0]} +else +{rect=node.getBoundingClientRect()}} +if(ie&&ie_version<9&&!start&&(!rect||!rect.left&&!rect.right)){var rSpan=node.parentNode.getClientRects()[0] +if(rSpan) +{rect={left:rSpan.left,right:rSpan.left+charWidth(cm.display),top:rSpan.top,bottom:rSpan.bottom}} +else +{rect=nullRect}} +var rtop=rect.top-prepared.rect.top,rbot=rect.bottom-prepared.rect.top +var mid=(rtop+rbot)/ 2 +var heights=prepared.view.measure.heights +var i=0 +for(;i=lineObj.text.length){ch=lineObj.text.length +sticky="before"}else if(ch<=0){ch=0 +sticky="after"} +if(!order){return get(sticky=="before"?ch-1:ch,sticky=="before")} +function getBidi(ch,partPos,invert){var part=order[partPos],right=part.level==1 +return get(invert?ch-1:ch,right!=invert)} +var partPos=getBidiPartAt(order,ch,sticky) +var other=bidiOther +var val=getBidi(ch,partPos,sticky=="before") +if(other!=null){val.other=getBidi(ch,other,sticky!="before")} +return val} +function estimateCoords(cm,pos){var left=0 +pos=clipPos(cm.doc,pos) +if(!cm.options.lineWrapping){left=charWidth(cm.display)*pos.ch} +var lineObj=getLine(cm.doc,pos.line) +var top=heightAtLine(lineObj)+paddingTop(cm.display) +return{left:left,right:left,top:top,bottom:top+lineObj.height}} +function PosWithInfo(line,ch,sticky,outside,xRel){var pos=Pos(line,ch,sticky) +pos.xRel=xRel +if(outside){pos.outside=true} +return pos} +function coordsChar(cm,x,y){var doc=cm.doc +y+=cm.display.viewOffset +if(y<0){return PosWithInfo(doc.first,0,null,true,-1)} +var lineN=lineAtHeight(doc,y),last=doc.first+doc.size-1 +if(lineN>last) +{return PosWithInfo(doc.first+doc.size-1,getLine(doc,last).text.length,null,true,1)} +if(x<0){x=0} +var lineObj=getLine(doc,lineN) +for(;;){var found=coordsCharInner(cm,lineObj,lineN,x,y) +var merged=collapsedSpanAtEnd(lineObj) +var mergedPos=merged&&merged.find(0,true) +if(merged&&(found.ch>mergedPos.from.ch||found.ch==mergedPos.from.ch&&found.xRel>0)) +{lineN=lineNo(lineObj=mergedPos.to.line)} +else +{return found}}} +function wrappedLineExtent(cm,lineObj,preparedMeasure,y){y-=widgetTopHeight(lineObj) +var end=lineObj.text.length +var begin=findFirst(function(ch){return measureCharPrepared(cm,preparedMeasure,ch-1).bottom<=y;},end,0) +end=findFirst(function(ch){return measureCharPrepared(cm,preparedMeasure,ch).top>y;},begin,end) +return{begin:begin,end:end}} +function wrappedLineExtentChar(cm,lineObj,preparedMeasure,target){if(!preparedMeasure){preparedMeasure=prepareMeasureForLine(cm,lineObj)} +var targetTop=intoCoordSystem(cm,lineObj,measureCharPrepared(cm,preparedMeasure,target),"line").top +return wrappedLineExtent(cm,lineObj,preparedMeasure,targetTop)} +function boxIsAfter(box,x,y,left){return box.bottom<=y?false:box.top>y?true:(left?box.left:box.right)>x} +function coordsCharInner(cm,lineObj,lineNo,x,y){y-=heightAtLine(lineObj) +var preparedMeasure=prepareMeasureForLine(cm,lineObj) +var widgetHeight=widgetTopHeight(lineObj) +var begin=0,end=lineObj.text.length,ltr=true +var order=getOrder(lineObj,cm.doc.direction) +if(order){var part=(cm.options.lineWrapping?coordsBidiPartWrapped:coordsBidiPart) +(cm,lineObj,lineNo,preparedMeasure,order,x,y) +ltr=part.level!=1 +begin=ltr?part.from:part.to-1 +end=ltr?part.to:part.from-1} +var chAround=null,boxAround=null +var ch=findFirst(function(ch){var box=measureCharPrepared(cm,preparedMeasure,ch) +box.top+=widgetHeight;box.bottom+=widgetHeight +if(!boxIsAfter(box,x,y,false)){return false} +if(box.top<=y&&box.left<=x){chAround=ch +boxAround=box} +return true},begin,end) +var baseX,sticky,outside=false +if(boxAround){var atLeft=x-boxAround.left=coords.bottom} +ch=skipExtendingChars(lineObj.text,ch,1) +return PosWithInfo(lineNo,ch,sticky,outside,x-baseX)} +function coordsBidiPart(cm,lineObj,lineNo,preparedMeasure,order,x,y){var index=findFirst(function(i){var part=order[i],ltr=part.level!=1 +return boxIsAfter(cursorCoords(cm,Pos(lineNo,ltr?part.to:part.from,ltr?"before":"after"),"line",lineObj,preparedMeasure),x,y,true)},0,order.length-1) +var part=order[index] +if(index>0){var ltr=part.level!=1 +var start=cursorCoords(cm,Pos(lineNo,ltr?part.from:part.to,ltr?"after":"before"),"line",lineObj,preparedMeasure) +if(boxIsAfter(start,x,y,true)&&start.top>y) +{part=order[index-1]}} +return part} +function coordsBidiPartWrapped(cm,lineObj,_lineNo,preparedMeasure,order,x,y){var ref=wrappedLineExtent(cm,lineObj,preparedMeasure,y);var begin=ref.begin;var end=ref.end;if(/\s/.test(lineObj.text.charAt(end-1))){end--} +var part=null,closestDist=null +for(var i=0;i=end||p.to<=begin){continue} +var ltr=p.level!=1 +var endX=measureCharPrepared(cm,preparedMeasure,ltr?Math.min(end,p.to)-1:Math.max(begin,p.from)).right +var dist=endXdist){part=p +closestDist=dist}} +if(!part){part=order[order.length-1]} +if(part.fromend){part={from:part.from,to:end,level:part.level}} +return part} +var measureText +function textHeight(display){if(display.cachedTextHeight!=null){return display.cachedTextHeight} +if(measureText==null){measureText=elt("pre") +for(var i=0;i<49;++i){measureText.appendChild(document.createTextNode("x")) +measureText.appendChild(elt("br"))} +measureText.appendChild(document.createTextNode("x"))} +removeChildrenAndAdd(display.measure,measureText) +var height=measureText.offsetHeight / 50 +if(height>3){display.cachedTextHeight=height} +removeChildren(display.measure) +return height||1} +function charWidth(display){if(display.cachedCharWidth!=null){return display.cachedCharWidth} +var anchor=elt("span","xxxxxxxxxx") +var pre=elt("pre",[anchor]) +removeChildrenAndAdd(display.measure,pre) +var rect=anchor.getBoundingClientRect(),width=(rect.right-rect.left)/ 10 +if(width>2){display.cachedCharWidth=width} +return width||10} +function getDimensions(cm){var d=cm.display,left={},width={} +var gutterLeft=d.gutters.clientLeft +for(var n=d.gutters.firstChild,i=0;n;n=n.nextSibling,++i){left[cm.options.gutters[i]]=n.offsetLeft+n.clientLeft+gutterLeft +width[cm.options.gutters[i]]=n.clientWidth} +return{fixedPos:compensateForHScroll(d),gutterTotalWidth:d.gutters.offsetWidth,gutterLeft:left,gutterWidth:width,wrapperWidth:d.wrapper.clientWidth}} +function compensateForHScroll(display){return display.scroller.getBoundingClientRect().left-display.sizer.getBoundingClientRect().left} +function estimateHeight(cm){var th=textHeight(cm.display),wrapping=cm.options.lineWrapping +var perLine=wrapping&&Math.max(5,cm.display.scroller.clientWidth / charWidth(cm.display)-3) +return function(line){if(lineIsHidden(cm.doc,line)){return 0} +var widgetsHeight=0 +if(line.widgets){for(var i=0;i=cm.display.viewTo){return null} +n-=cm.display.viewFrom +if(n<0){return null} +var view=cm.display.view +for(var i=0;i=cm.display.viewTo||range.to().line0) +{display.blinker=setInterval(function(){return display.cursorDiv.style.visibility=(on=!on)?"":"hidden";},cm.options.cursorBlinkRate)} +else if(cm.options.cursorBlinkRate<0) +{display.cursorDiv.style.visibility="hidden"}} +function ensureFocus(cm){if(!cm.state.focused){cm.display.input.focus();onFocus(cm)}} +function delayBlurEvent(cm){cm.state.delayingBlurEvent=true +setTimeout(function(){if(cm.state.delayingBlurEvent){cm.state.delayingBlurEvent=false +onBlur(cm)}},100)} +function onFocus(cm,e){if(cm.state.delayingBlurEvent){cm.state.delayingBlurEvent=false} +if(cm.options.readOnly=="nocursor"){return} +if(!cm.state.focused){signal(cm,"focus",cm,e) +cm.state.focused=true +addClass(cm.display.wrapper,"CodeMirror-focused") +if(!cm.curOp&&cm.display.selForContextMenu!=cm.doc.sel){cm.display.input.reset() +if(webkit){setTimeout(function(){return cm.display.input.reset(true);},20)}} +cm.display.input.receivedFocus()} +restartBlink(cm)} +function onBlur(cm,e){if(cm.state.delayingBlurEvent){return} +if(cm.state.focused){signal(cm,"blur",cm,e) +cm.state.focused=false +rmClass(cm.display.wrapper,"CodeMirror-focused")} +clearInterval(cm.display.blinker) +setTimeout(function(){if(!cm.state.focused){cm.display.shift=false}},150)} +function updateHeightsInViewport(cm){var display=cm.display +var prevBottom=display.lineDiv.offsetTop +for(var i=0;i.005||diff<-.005){updateLineHeight(cur.line,height) +updateWidgetHeight(cur.line) +if(cur.rest){for(var j=0;j=to){from=lineAtHeight(doc,heightAtLine(getLine(doc,ensureTo))-display.wrapper.clientHeight) +to=ensureTo}} +return{from:from,to:Math.max(to,from+1)}} +function alignHorizontally(cm){var display=cm.display,view=display.view +if(!display.alignWidgets&&(!display.gutters.firstChild||!cm.options.fixedGutter)){return} +var comp=compensateForHScroll(display)-display.scroller.scrollLeft+cm.doc.scrollLeft +var gutterW=display.gutters.offsetWidth,left=comp+"px" +for(var i=0;i(window.innerHeight||document.documentElement.clientHeight)){doScroll=false} +if(doScroll!=null&&!phantom){var scrollNode=elt("div","\u200b",null,("position: absolute;\n top: "+(rect.top-display.viewOffset-paddingTop(cm.display))+"px;\n height: "+(rect.bottom-rect.top+scrollGap(cm)+display.barHeight)+"px;\n left: "+(rect.left)+"px; width: "+(Math.max(2,rect.right-rect.left))+"px;")) +cm.display.lineSpace.appendChild(scrollNode) +scrollNode.scrollIntoView(doScroll) +cm.display.lineSpace.removeChild(scrollNode)}} +function scrollPosIntoView(cm,pos,end,margin){if(margin==null){margin=0} +var rect +if(!cm.options.lineWrapping&&pos==end){pos=pos.ch?Pos(pos.line,pos.sticky=="before"?pos.ch-1:pos.ch,"after"):pos +end=pos.sticky=="before"?Pos(pos.line,pos.ch+1,"before"):pos} +for(var limit=0;limit<5;limit++){var changed=false +var coords=cursorCoords(cm,pos) +var endCoords=!end||end==pos?coords:cursorCoords(cm,end) +rect={left:Math.min(coords.left,endCoords.left),top:Math.min(coords.top,endCoords.top)-margin,right:Math.max(coords.left,endCoords.left),bottom:Math.max(coords.bottom,endCoords.bottom)+margin} +var scrollPos=calculateScrollPos(cm,rect) +var startTop=cm.doc.scrollTop,startLeft=cm.doc.scrollLeft +if(scrollPos.scrollTop!=null){updateScrollTop(cm,scrollPos.scrollTop) +if(Math.abs(cm.doc.scrollTop-startTop)>1){changed=true}} +if(scrollPos.scrollLeft!=null){setScrollLeft(cm,scrollPos.scrollLeft) +if(Math.abs(cm.doc.scrollLeft-startLeft)>1){changed=true}} +if(!changed){break}} +return rect} +function scrollIntoView(cm,rect){var scrollPos=calculateScrollPos(cm,rect) +if(scrollPos.scrollTop!=null){updateScrollTop(cm,scrollPos.scrollTop)} +if(scrollPos.scrollLeft!=null){setScrollLeft(cm,scrollPos.scrollLeft)}} +function calculateScrollPos(cm,rect){var display=cm.display,snapMargin=textHeight(cm.display) +if(rect.top<0){rect.top=0} +var screentop=cm.curOp&&cm.curOp.scrollTop!=null?cm.curOp.scrollTop:display.scroller.scrollTop +var screen=displayHeight(cm),result={} +if(rect.bottom-rect.top>screen){rect.bottom=rect.top+screen} +var docBottom=cm.doc.height+paddingVert(display) +var atTop=rect.topdocBottom-snapMargin +if(rect.topscreentop+screen){var newTop=Math.min(rect.top,(atBottom?docBottom:rect.bottom)-screen) +if(newTop!=screentop){result.scrollTop=newTop}} +var screenleft=cm.curOp&&cm.curOp.scrollLeft!=null?cm.curOp.scrollLeft:display.scroller.scrollLeft +var screenw=displayWidth(cm)-(cm.options.fixedGutter?display.gutters.offsetWidth:0) +var tooWide=rect.right-rect.left>screenw +if(tooWide){rect.right=rect.left+screenw} +if(rect.left<10) +{result.scrollLeft=0} +else if(rect.leftscreenw+screenleft-3) +{result.scrollLeft=rect.right+(tooWide?0:10)-screenw} +return result} +function addToScrollTop(cm,top){if(top==null){return} +resolveScrollToPos(cm) +cm.curOp.scrollTop=(cm.curOp.scrollTop==null?cm.doc.scrollTop:cm.curOp.scrollTop)+top} +function ensureCursorVisible(cm){resolveScrollToPos(cm) +var cur=cm.getCursor() +cm.curOp.scrollToPos={from:cur,to:cur,margin:cm.options.cursorScrollMargin}} +function scrollToCoords(cm,x,y){if(x!=null||y!=null){resolveScrollToPos(cm)} +if(x!=null){cm.curOp.scrollLeft=x} +if(y!=null){cm.curOp.scrollTop=y}} +function scrollToRange(cm,range){resolveScrollToPos(cm) +cm.curOp.scrollToPos=range} +function resolveScrollToPos(cm){var range=cm.curOp.scrollToPos +if(range){cm.curOp.scrollToPos=null +var from=estimateCoords(cm,range.from),to=estimateCoords(cm,range.to) +scrollToCoordsRange(cm,from,to,range.margin)}} +function scrollToCoordsRange(cm,from,to,margin){var sPos=calculateScrollPos(cm,{left:Math.min(from.left,to.left),top:Math.min(from.top,to.top)-margin,right:Math.max(from.right,to.right),bottom:Math.max(from.bottom,to.bottom)+margin}) +scrollToCoords(cm,sPos.scrollLeft,sPos.scrollTop)} +function updateScrollTop(cm,val){if(Math.abs(cm.doc.scrollTop-val)<2){return} +if(!gecko){updateDisplaySimple(cm,{top:val})} +setScrollTop(cm,val,true) +if(gecko){updateDisplaySimple(cm)} +startWorker(cm,100)} +function setScrollTop(cm,val,forceScroll){val=Math.min(cm.display.scroller.scrollHeight-cm.display.scroller.clientHeight,val) +if(cm.display.scroller.scrollTop==val&&!forceScroll){return} +cm.doc.scrollTop=val +cm.display.scrollbars.setScrollTop(val) +if(cm.display.scroller.scrollTop!=val){cm.display.scroller.scrollTop=val}} +function setScrollLeft(cm,val,isScroller,forceScroll){val=Math.min(val,cm.display.scroller.scrollWidth-cm.display.scroller.clientWidth) +if((isScroller?val==cm.doc.scrollLeft:Math.abs(cm.doc.scrollLeft-val)<2)&&!forceScroll){return} +cm.doc.scrollLeft=val +alignHorizontally(cm) +if(cm.display.scroller.scrollLeft!=val){cm.display.scroller.scrollLeft=val} +cm.display.scrollbars.setScrollLeft(val)} +function measureForScrollbars(cm){var d=cm.display,gutterW=d.gutters.offsetWidth +var docH=Math.round(cm.doc.height+paddingVert(cm.display)) +return{clientHeight:d.scroller.clientHeight,viewHeight:d.wrapper.clientHeight,scrollWidth:d.scroller.scrollWidth,clientWidth:d.scroller.clientWidth,viewWidth:d.wrapper.clientWidth,barLeft:cm.options.fixedGutter?gutterW:0,docHeight:docH,scrollHeight:docH+scrollGap(cm)+d.barHeight,nativeBarWidth:d.nativeBarWidth,gutterWidth:gutterW}} +var NativeScrollbars=function(place,scroll,cm){this.cm=cm +var vert=this.vert=elt("div",[elt("div",null,null,"min-width: 1px")],"CodeMirror-vscrollbar") +var horiz=this.horiz=elt("div",[elt("div",null,null,"height: 100%; min-height: 1px")],"CodeMirror-hscrollbar") +place(vert);place(horiz) +on(vert,"scroll",function(){if(vert.clientHeight){scroll(vert.scrollTop,"vertical")}}) +on(horiz,"scroll",function(){if(horiz.clientWidth){scroll(horiz.scrollLeft,"horizontal")}}) +this.checkedZeroWidth=false +if(ie&&ie_version<8){this.horiz.style.minHeight=this.vert.style.minWidth="18px"}};NativeScrollbars.prototype.update=function(measure){var needsH=measure.scrollWidth>measure.clientWidth+1 +var needsV=measure.scrollHeight>measure.clientHeight+1 +var sWidth=measure.nativeBarWidth +if(needsV){this.vert.style.display="block" +this.vert.style.bottom=needsH?sWidth+"px":"0" +var totalHeight=measure.viewHeight-(needsH?sWidth:0) +this.vert.firstChild.style.height=Math.max(0,measure.scrollHeight-measure.clientHeight+totalHeight)+"px"}else{this.vert.style.display="" +this.vert.firstChild.style.height="0"} +if(needsH){this.horiz.style.display="block" +this.horiz.style.right=needsV?sWidth+"px":"0" +this.horiz.style.left=measure.barLeft+"px" +var totalWidth=measure.viewWidth-measure.barLeft-(needsV?sWidth:0) +this.horiz.firstChild.style.width=Math.max(0,measure.scrollWidth-measure.clientWidth+totalWidth)+"px"}else{this.horiz.style.display="" +this.horiz.firstChild.style.width="0"} +if(!this.checkedZeroWidth&&measure.clientHeight>0){if(sWidth==0){this.zeroWidthHack()} +this.checkedZeroWidth=true} +return{right:needsV?sWidth:0,bottom:needsH?sWidth:0}};NativeScrollbars.prototype.setScrollLeft=function(pos){if(this.horiz.scrollLeft!=pos){this.horiz.scrollLeft=pos} +if(this.disableHoriz){this.enableZeroWidthBar(this.horiz,this.disableHoriz,"horiz")}};NativeScrollbars.prototype.setScrollTop=function(pos){if(this.vert.scrollTop!=pos){this.vert.scrollTop=pos} +if(this.disableVert){this.enableZeroWidthBar(this.vert,this.disableVert,"vert")}};NativeScrollbars.prototype.zeroWidthHack=function(){var w=mac&&!mac_geMountainLion?"12px":"18px" +this.horiz.style.height=this.vert.style.width=w +this.horiz.style.pointerEvents=this.vert.style.pointerEvents="none" +this.disableHoriz=new Delayed +this.disableVert=new Delayed};NativeScrollbars.prototype.enableZeroWidthBar=function(bar,delay,type){bar.style.pointerEvents="auto" +function maybeDisable(){var box=bar.getBoundingClientRect() +var elt=type=="vert"?document.elementFromPoint(box.right-1,(box.top+box.bottom)/ 2):document.elementFromPoint((box.right+box.left)/ 2,box.bottom-1) +if(elt!=bar){bar.style.pointerEvents="none"} +else{delay.set(1000,maybeDisable)}} +delay.set(1000,maybeDisable)};NativeScrollbars.prototype.clear=function(){var parent=this.horiz.parentNode +parent.removeChild(this.horiz) +parent.removeChild(this.vert)};var NullScrollbars=function(){};NullScrollbars.prototype.update=function(){return{bottom:0,right:0}};NullScrollbars.prototype.setScrollLeft=function(){};NullScrollbars.prototype.setScrollTop=function(){};NullScrollbars.prototype.clear=function(){};function updateScrollbars(cm,measure){if(!measure){measure=measureForScrollbars(cm)} +var startWidth=cm.display.barWidth,startHeight=cm.display.barHeight +updateScrollbarsInner(cm,measure) +for(var i=0;i<4&&startWidth!=cm.display.barWidth||startHeight!=cm.display.barHeight;i++){if(startWidth!=cm.display.barWidth&&cm.options.lineWrapping) +{updateHeightsInViewport(cm)} +updateScrollbarsInner(cm,measureForScrollbars(cm)) +startWidth=cm.display.barWidth;startHeight=cm.display.barHeight}} +function updateScrollbarsInner(cm,measure){var d=cm.display +var sizes=d.scrollbars.update(measure) +d.sizer.style.paddingRight=(d.barWidth=sizes.right)+"px" +d.sizer.style.paddingBottom=(d.barHeight=sizes.bottom)+"px" +d.heightForcer.style.borderBottom=sizes.bottom+"px solid transparent" +if(sizes.right&&sizes.bottom){d.scrollbarFiller.style.display="block" +d.scrollbarFiller.style.height=sizes.bottom+"px" +d.scrollbarFiller.style.width=sizes.right+"px"}else{d.scrollbarFiller.style.display=""} +if(sizes.bottom&&cm.options.coverGutterNextToScrollbar&&cm.options.fixedGutter){d.gutterFiller.style.display="block" +d.gutterFiller.style.height=sizes.bottom+"px" +d.gutterFiller.style.width=measure.gutterWidth+"px"}else{d.gutterFiller.style.display=""}} +var scrollbarModel={"native":NativeScrollbars,"null":NullScrollbars} +function initScrollbars(cm){if(cm.display.scrollbars){cm.display.scrollbars.clear() +if(cm.display.scrollbars.addClass) +{rmClass(cm.display.wrapper,cm.display.scrollbars.addClass)}} +cm.display.scrollbars=new scrollbarModel[cm.options.scrollbarStyle](function(node){cm.display.wrapper.insertBefore(node,cm.display.scrollbarFiller) +on(node,"mousedown",function(){if(cm.state.focused){setTimeout(function(){return cm.display.input.focus();},0)}}) +node.setAttribute("cm-not-content","true")},function(pos,axis){if(axis=="horizontal"){setScrollLeft(cm,pos)} +else{updateScrollTop(cm,pos)}},cm) +if(cm.display.scrollbars.addClass) +{addClass(cm.display.wrapper,cm.display.scrollbars.addClass)}} +var nextOpId=0 +function startOperation(cm){cm.curOp={cm:cm,viewChanged:false,startHeight:cm.doc.height,forceUpdate:false,updateInput:null,typing:false,changeObjs:null,cursorActivityHandlers:null,cursorActivityCalled:0,selectionChanged:false,updateMaxLine:false,scrollLeft:null,scrollTop:null,scrollToPos:null,focus:false,id:++nextOpId} +pushOperation(cm.curOp)} +function endOperation(cm){var op=cm.curOp +finishOperation(op,function(group){for(var i=0;i=display.viewTo)||display.maxLineChanged&&cm.options.lineWrapping +op.update=op.mustUpdate&&new DisplayUpdate(cm,op.mustUpdate&&{top:op.scrollTop,ensure:op.scrollToPos},op.forceUpdate)} +function endOperation_W1(op){op.updatedDisplay=op.mustUpdate&&updateDisplayIfNeeded(op.cm,op.update)} +function endOperation_R2(op){var cm=op.cm,display=cm.display +if(op.updatedDisplay){updateHeightsInViewport(cm)} +op.barMeasure=measureForScrollbars(cm) +if(display.maxLineChanged&&!cm.options.lineWrapping){op.adjustWidthTo=measureChar(cm,display.maxLine,display.maxLine.text.length).left+3 +cm.display.sizerWidth=op.adjustWidthTo +op.barMeasure.scrollWidth=Math.max(display.scroller.clientWidth,display.sizer.offsetLeft+op.adjustWidthTo+scrollGap(cm)+cm.display.barWidth) +op.maxScrollLeft=Math.max(0,display.sizer.offsetLeft+op.adjustWidthTo-displayWidth(cm))} +if(op.updatedDisplay||op.selectionChanged) +{op.preparedSelection=display.input.prepareSelection()}} +function endOperation_W2(op){var cm=op.cm +if(op.adjustWidthTo!=null){cm.display.sizer.style.minWidth=op.adjustWidthTo+"px" +if(op.maxScrollLeft