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morrigan-jquery-editor.js
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$.widget( "morrigan.morrigan_editor", {
options: {
height: '600px',
width: '900px',
doctype: '<!DOCTYPE html>',
notSupportedMsg: 'Your browser is not supported.',
iframeStyles: '/iframe.css',
imageUpload: null,
spellCheck: true,
toolbox: [
[
['format', 'clearFormat'],
['bold', 'italy', 'strike'],
['img', 'video'],
['alignLeft', 'alignCenter', 'alignRight'],
['orderedList', 'unorderedList'],
['link', 'unLink']
]
],
popup: {
actions: {
ok:{
caption:'Ok'
},
cancel:{
caption:'Cancel'
}
}
},
block: {
mediaBlock: {
width: {
def:'350px',
max:'400px'
},
height: {
def:'270px',
max:'430px',
video: '205px'
}
}
}
},
_browser: {},
_content: null,
_window: null,
_actionManager: null,
_selectionManager: null,
_actionSupport: null,
_popup: null,
_uploader: null,
_loader: null,
_blockManager: null,
_options: {},
_actions: {
clearFormat: {
name: 'clearFormat',
view: {
activeBackground: '#aaa',
inactiveBackground: '#eee',
title: 'Clear format',
classes: 'fa fa-times'
},
onClickHandler: function (editor, action) {
var normalizeBlocks = function (element) {
if (element.nodeName == 'UL' || element.nodeName == 'OL') {
removeInlineStyles(element);
} else {
var text = $(element).text();
$(element).replaceWith('<p>' + text + '</p>');
}
};
var removeInlineStyles = function (element) {
$(element).removeAttr('style');
$(element).children().each(function() {
removeInlineStyles(this);
});
};
var cSelection = editor._selectionManager.getCustomSelection();
var isCaret = editor._selectionManager.isCaret(cSelection);
var topElements = editor._selectionManager.getTopSelectedElements(cSelection, isCaret);
var topElementsWithoutBlocks = $(topElements).filter(function () {
return !$(this).hasClass('mrge-content-block');
});
topElementsWithoutBlocks.each(function () {
normalizeBlocks(this);
});
}
},
video: {
name: 'video',
view: {
activeBackground: '#aaa',
inactiveBackground: '#eee',
title: 'Video',
classes: 'fa fa-youtube-play'
},
popup: {
title: 'Add video',
height: '130px',
html: '<form action="/video/create" method="post" enctype="multipart/form-data" target="mrge-support-iframe">' +
'<div class="mrge-option"><input type="text" placeholder=" add video HTML code here" name="video_html"></div></form>',
actions: ['ok', 'cancel'],
onShow: function (element, editor) {
var savedTextRange;
isIframeCodeCorrect = function (code) {
return /^<iframe.* src=\".*><\/iframe>\s*$/.test(code);
};
exec = function () {
var iframeCode = element.find('input[name="video_html"]').val();
if (isIframeCodeCorrect(iframeCode)) {
if (editor._browser.ie) editor._selectionManager.restoreInternalRange(savedTextRange);
editor._blockManager.addBlock({videoHTML:iframeCode});
editor._popup.hidePopup();
} else {
alert('Video HTML is not correct');
}
};
element.find('.mrge-popup-ok').on('click', function () {
exec();
});
if (editor._browser.ie) {
savedTextRange = editor._selectionManager.getInternalRange();
}
},
onHide:function (element) {
element.find('.mrge-popup-ok').off('click');
}
}
},
img: {
name: 'img',
view: {
activeBackground: '#aaa',
inactiveBackground: '#eee',
title: 'Image',
classes: 'fa fa-picture-o'
},
popup: {
title: 'Add image',
height: '200px',
actions: ['ok', 'cancel'],
customForm: function (editor, container) {
var html = '<form action="' + editor.options.imageUpload + '" method="post" enctype="multipart/form-data" target="mrge-support-iframe">' +
'<div class="mrge-option"><input type="file" name="upload_img"/></div><div class="mrge-divider">or</div>' +
'<div class="mrge-option"><input type="text" placeholder=" add image link here" name="upload_url"></div></form>';
container.html($(html));
},
onShow: function (element, editor) {
var savedTextRange;
haveFileToUpload = function () {
var input_file = element.find('[name="upload_img"]');
var url_string = element.find('[name="upload_url"]');
return input_file.val() != '' || url_string.val() != '';
};
uploadImage = function () {
var imgUrl;
editor._uploader.prepareToLoad();
element.find('form').submit();
editor._loader.showLoader();
var timerId = setInterval(function () {
imgUrl = editor._uploader.getData();
if (imgUrl) {
clearInterval(timerId);
editor._loader.hideLoader();
if (editor._browser.ie) editor._selectionManager.restoreInternalRange(savedTextRange);
editor._blockManager.addBlock({imageUrl:imgUrl['data']});
}
}, 100);
};
exec = function () {
if (haveFileToUpload()) {
editor._popup.hidePopup();
uploadImage();
}
};
element.find('input[type="file"]').on('change', function () {
exec();
});
element.find('.mrge-popup-ok').on('click', function () {
exec();
});
if (editor._browser.ie) {
savedTextRange = editor._selectionManager.getInternalRange();
}
},
onHide:function (element) {
element.find('.mrge-popup-ok').off('click');
}
}
},
alignLeft: {
name: 'alignLeft',
view: {
activeBackground: '#aaa',
inactiveBackground: '#eee',
title: 'Align Left',
classes: 'fa fa-align-left'
},
onClickHandler: function (editor, action) {
var cSelection = editor._selectionManager.getCustomSelection();
var isCaret = editor._selectionManager.isCaret(cSelection);
var topElements = editor._selectionManager.getTopSelectedElements(cSelection, isCaret);
var topElementsWithoutBlocks = $(topElements).filter(function () {
return this.nodeName != 'DIV';
});
$(topElementsWithoutBlocks).css('text-align', '');
editor._content.trigger('mouseup'); //TODO: make radio group without trig selectionChangeHandler
},
selectionHandler: function (editor, data, e) {
var topElements = data.topElements;
var firstPAlign = $(topElements).first().css('text-align');
var topElementsWithoutBlocks = $(topElements).filter(function () {
return this.nodeName != 'DIV';
});
var correctTopElements = $(topElementsWithoutBlocks).filter(function () {
return $(this).css('text-align') == firstPAlign;
});
this.changeActiveIcon(topElementsWithoutBlocks.length == correctTopElements.length &&
(firstPAlign == 'left' || firstPAlign =='start'));
}
},
alignCenter: {
name: 'alignCenter',
view: {
activeBackground: '#aaa',
inactiveBackground: '#eee',
title: 'Align Center',
classes: 'fa fa-align-center'
},
onClickHandler: function (editor, action) {
var cSelection = editor._selectionManager.getCustomSelection();
var isCaret = editor._selectionManager.isCaret(cSelection);
var topElements = editor._selectionManager.getTopSelectedElements(cSelection, isCaret);
var firstPAlign = $(topElements).first().css('text-align');
var topElementsWithoutBlocks = $(topElements).filter(function () {
return this.nodeName != 'DIV';
});
var correctTopElements = $(topElementsWithoutBlocks).filter(function () {
return $(this).css('text-align') == firstPAlign;
});
if (topElementsWithoutBlocks.length == correctTopElements.length && firstPAlign == 'center') {
$(topElementsWithoutBlocks).css('text-align', '');
} else {
$(topElementsWithoutBlocks).css('text-align', 'center');
}
editor._content.trigger('mouseup'); //TODO: make radio group without trig selectionChangeHandler
},
selectionHandler: function (editor, data, e) {
var topElements = data.topElements;
var firstPAlign = $(topElements).first().css('text-align');
var topElementsWithoutBlocks = $(topElements).filter(function () {
return this.nodeName != 'DIV';
});
var correctTopElements = $(topElementsWithoutBlocks).filter(function () {
return $(this).css('text-align') == firstPAlign;
});
this.changeActiveIcon(topElementsWithoutBlocks.length == correctTopElements.length && firstPAlign == 'center');
}
},
alignRight: {
name: 'alignRight',
view: {
activeBackground: '#aaa',
inactiveBackground: '#eee',
title: 'Align Right',
classes: 'fa fa-align-right'
},
onClickHandler: function (editor, action) {
var cSelection = editor._selectionManager.getCustomSelection();
var isCaret = editor._selectionManager.isCaret(cSelection);
var topElements = editor._selectionManager.getTopSelectedElements(cSelection, isCaret);
var firstPAlign = $(topElements).first().css('text-align');
var topElementsWithoutBlocks = $(topElements).filter(function () {
return this.nodeName != 'DIV';
});
var correctTopElements = $(topElementsWithoutBlocks).filter(function () {
return $(this).css('text-align') == firstPAlign;
});
if (topElementsWithoutBlocks.length == correctTopElements.length && firstPAlign == 'right') {
$(topElementsWithoutBlocks).css('text-align', '');
} else {
$(topElementsWithoutBlocks).css('text-align', 'right');
}
editor._content.trigger('mouseup'); //TODO: make radio group without trig selectionChangeHandler
},
selectionHandler: function (editor, data, e) {
var topElements = data.topElements;
var firstPAlign = $(topElements).first().css('text-align');
var topElementsWithoutBlocks = $(topElements).filter(function () {
return this.nodeName != 'DIV';
});
var correctTopElements = $(topElementsWithoutBlocks).filter(function () {
return $(this).css('text-align') == firstPAlign;
});
this.changeActiveIcon(topElementsWithoutBlocks.length == correctTopElements.length && firstPAlign == 'right');
}
},
orderedList: {
name: 'orderedList',
view: {
activeBackground: '#aaa',
inactiveBackground: '#eee',
title: 'Ordered List',
classes: 'fa fa-list-ol'
},
onClickHandler: function (editor, action) {
editor._window.document.execCommand('InsertOrderedList', false, null);
action.changeActiveIcon(editor._window.document.queryCommandState('InsertOrderedList'));
editor._actionManager.findAction('unorderedList').changeActiveIcon(editor._window.document.queryCommandState('InsertUnorderedList'));
var cSelection = editor._selectionManager.getCustomSelection();
var isCaret = editor._selectionManager.isCaret(cSelection);
var topElements = editor._selectionManager.getTopSelectedElements(cSelection, isCaret);
$(topElements[0]).find('ol').unwrap();
},
selectionHandler: function (editor, data, e) {
this.changeActiveIcon(editor._window.document.queryCommandState('InsertOrderedList'));
}
},
unorderedList: {
name: 'unorderedList',
view: {
activeBackground: '#aaa',
inactiveBackground: '#eee',
title: 'Unordered List',
classes: 'fa fa-list-ul'
},
onClickHandler: function (editor, action) {
editor._window.document.execCommand('InsertUnorderedList', false, null);
action.changeActiveIcon(editor._window.document.queryCommandState('InsertUnorderedList'));
editor._actionManager.findAction('orderedList').changeActiveIcon(editor._window.document.queryCommandState('InsertOrderedList'));
var cSelection = editor._selectionManager.getCustomSelection();
var isCaret = editor._selectionManager.isCaret(cSelection);
var topElements = editor._selectionManager.getTopSelectedElements(cSelection, isCaret);
$(topElements[0]).find('ul').unwrap();
},
selectionHandler: function (editor, data, e) {
this.changeActiveIcon(editor._window.document.queryCommandState('InsertUnorderedList'));
}
},
bold: {
name: 'bold',
view: {
activeBackground: '#aaa',
inactiveBackground: '#eee',
title: 'Bold',
classes: 'fa fa-bold'
},
onClickHandler: function (editor, action) {
editor._window.document.execCommand('bold', false, null);
action.changeActiveIcon(editor._window.document.queryCommandState('bold'));
},
selectionHandler: function (editor, data, e) {
this.changeActiveIcon(editor._window.document.queryCommandState('bold'));
}
},
italy: {
name: 'italy',
view: {
activeBackground: '#aaa',
inactiveBackground: '#eee',
title: 'Italy',
classes: 'fa fa-italic'
},
onClickHandler: function (editor, action) {
editor._window.document.execCommand('italic', false, null);
action.changeActiveIcon(editor._window.document.queryCommandState('italic'));
},
selectionHandler: function (editor, data, e) {
this.changeActiveIcon(editor._window.document.queryCommandState('italic'));
}
},
strike: {
name: 'strike',
view: {
title: 'Strike',
activeBackground: '#aaa',
inactiveBackground: '#eee',
classes: 'fa fa-strikethrough'
},
onClickHandler: function (editor, action) {
editor._window.document.execCommand('strikethrough', false, null);
action.changeActiveIcon(editor._window.document.queryCommandState('strikethrough'));
},
selectionHandler: function (editor, data, e) {
this.changeActiveIcon(editor._window.document.queryCommandState('strikethrough'));
}
},
unLink: {
name: 'unLink',
view: {
title: 'Unlink',
activeBackground: '#aaa',
inactiveBackground: '#eee',
classes: 'fa fa-unlink'
},
onClickHandler: function (editor, action) {
editor._window.document.execCommand('Unlink', false, null);
}
},
link: {
name: 'link',
view: {
activeBackground: '#aaa',
inactiveBackground: '#eee',
title: 'Link',
classes: 'fa fa-link'
},
popup: {
title: 'Add link',
height: '130px',
html: '<div class="mrge-option"><input type="text" placeholder=" URL" name="url"></div>',
actions: ['ok', 'cancel'],
onShow: function (element, editor) {
var prepareHref = function(linkUrl) {
if (linkUrl.indexOf('http') == 0) {
return linkUrl;
} else {
return 'http://' + linkUrl;
}
};
var savedTextRange;
exec = function () {
var linkUrl = prepareHref(element.find('input[name="url"]').val());
if (editor._browser.ie) editor._selectionManager.restoreInternalRange(savedTextRange);
editor._window.document.execCommand('CreateLink', false, linkUrl);
editor._popup.hidePopup();
};
element.find('.mrge-popup-ok').on('click', function () {
exec();
});
if (editor._browser.ie) {
savedTextRange = editor._selectionManager.getInternalRange();
}
},
onHide: function (element) {
element.find('.mrge-popup-ok').off('click');
}
}
},
format: {
name: 'format',
view: {
text: 'Format',
title: 'Paragraph format'
},
changeStatus: function (resultTagName) {
if (resultTagName) {
var resultItemIndex = this.config.dropdown.matchList[resultTagName];
if (!isNaN(resultItemIndex) && this.config.dropdown.currentActionItemIndex != resultItemIndex) {
this.config.dropdown.currentActionItemIndex = resultItemIndex;
$(this.element).children('span.mrge-action-text').text(this.config.dropdown.actionList[resultItemIndex].text);
} else if (isNaN(resultItemIndex) && this.config.dropdown.currentActionItemIndex != 0) {
this.config.dropdown.currentActionItemIndex = 0;
$(this.element).children('span.mrge-action-text').text(this.config.dropdown.actionList[0].text);
}
} else {
if (this.config.dropdown.currentActionItemIndex != -1) {
this.config.dropdown.currentActionItemIndex = -1;
$(this.element).children('span.mrge-action-text').text(this.config.view.text);
}
}
},
selectionHandler: function (editor, data, e) {
var resultTagName, firstElementTag, correctTopElements;
var topElements = data.topElements;
if (topElements.length > 0 && topElements[0]) {
firstElementTag = topElements[0].nodeName;
correctTopElements = $(topElements).filter(function () {
return this.nodeName === firstElementTag;
});
if (correctTopElements.length == topElements.length) resultTagName = firstElementTag;
} else {
resultTagName = 'P';
}
this.changeStatus(resultTagName);
},
dropdown: {
width: '150px',
actionList: [
{
text: 'Paragraph',
tag: 'P',
onClickHandler: function (editor, action) {
if (editor._browser.webkit) {
var cSelection = editor._selectionManager.getCustomSelection();
var isCaret = editor._selectionManager.isCaret(cSelection);
var topElements = editor._selectionManager.getTopSelectedElements(cSelection, isCaret);
editor._actionSupport.mutateBlock(topElements, 'P', cSelection);
} else {
editor._window.document.execCommand("formatblock", false, "<p>");
}
action.changeStatus('P');
}
},
{
text: 'Heading 1',
tag: 'H2',
onClickHandler: function (editor, action) {
if (editor._browser.webkit) {
var cSelection = editor._selectionManager.getCustomSelection();
var isCaret = editor._selectionManager.isCaret(cSelection);
var topElements = editor._selectionManager.getTopSelectedElements(cSelection, isCaret);
editor._actionSupport.mutateBlock(topElements, 'H2', cSelection);
} else {
editor._window.document.execCommand("formatblock", false, "<h2>");
}
action.changeStatus('H2');
}
},
{
text: 'Heading 2',
tag: 'H3',
onClickHandler: function (editor, action) {
if (editor._browser.webkit) {
var cSelection = editor._selectionManager.getCustomSelection();
var isCaret = editor._selectionManager.isCaret(cSelection);
var topElements = editor._selectionManager.getTopSelectedElements(cSelection, isCaret);
editor._actionSupport.mutateBlock(topElements, 'H3', cSelection);
} else {
editor._window.document.execCommand("formatblock", false, "<h3>");
}
action.changeStatus('H3');
}
},
{
text: 'Heading 3',
tag: 'H4',
onClickHandler: function (editor, action) {
if (editor._browser.webkit) {
var cSelection = editor._selectionManager.getCustomSelection();
var isCaret = editor._selectionManager.isCaret(cSelection);
var topElements = editor._selectionManager.getTopSelectedElements(cSelection, isCaret);
editor._actionSupport.mutateBlock(topElements, 'H4', cSelection);
} else {
editor._window.document.execCommand("formatblock", false, "<h4>");
}
action.changeStatus('H4');
}
}
]
}
}
},
// Classes
ActionManager: function (editor) {
this.editor = editor;
this.actions = [];
this.disabledActions = [];
this.selectionChangedSubscribers = [];
this.findAction = function (name) {
return $.grep(this.actions, function (action) {
return action.config.name == name;
})[0];
};
this.addAction = function (config, item) {
var action = new this.editor.Action(config, item);
this.actions.push(action);
var actionIndex = this.actions.length - 1;
if (!action.enabled) this.disabledActions.push(actionIndex);
if (action.selectionHandler) this.selectionChangedSubscribers.push(actionIndex);
}
},
Action: function (config, element) {
var self = this;
this.element = element;
this.config = config;
this.enabled = false;
if (config.view.activeBackground && config.view.inactiveBackground) {
this.activeState = false;
this.changeActiveIcon = function (isActive) {
if (isActive == undefined) {
if (this.activeState) {
this.setInactiveIcon();
} else {
this.setActiveIcon();
}
} else {
if (isActive && !this.activeState) this.setActiveIcon();
else if (!isActive && this.activeState) this.setInactiveIcon();
}
};
this.setActiveIcon = function () {
this.element.css('background-color', config.view.activeBackground).addClass('mrge-active');
this.activeState = true;
};
this.setInactiveIcon = function () {
this.element.css('background-color', config.view.inactiveBackground).removeClass('mrge-active');
this.activeState = false;
};
}
this.changeStatus = config.changeStatus;
if (this.config.dropdown) {
this.config.dropdown.shown = false;
this.config.dropdown.currentActionItemIndex = -1;
this.dropDownShow = function () {
this.element.children('.mrge-action-dropdown').show();
this.config.dropdown.shown = true;
};
this.dropDownHide = function () {
this.config.dropdown.shown = false;
this.element.children('.mrge-action-dropdown').hide();
};
this.config.dropdown.matchList = {};
$(this.config.dropdown.actionList).each(function (i) {
self.config.dropdown.matchList[this.tag] = i;
});
} else {
this.onClickHandler = config.onClickHandler;
}
this.selectionHandler = this.config.selectionHandler;
},
ActionSupport: function (editor) {
this.editor = editor;
this.mutateBlock = function (topNodes, nodeName, cSelection) {
var savedSelection = this._saveSelection(cSelection);
var mutated = false;
$(topNodes).each(function () {
if (this.nodeName != nodeName) {
$(this).replaceWith("<" + nodeName + ">" + this.innerHTML + "</" + nodeName + ">");
mutated = true;
}
});
if (mutated) this._restoreSelection(savedSelection);
};
this._saveSelection = function (cSelection) {
var selection = cSelection.selection;
var anchorNodePath = this._getNodePath(selection.anchorNode);
var focusNodePath = this._getNodePath(selection.focusNode);
if (this._isCorrectSequenceSelection(selection)) {
return {
anchorNodePath: anchorNodePath,
anchorOffset: selection.anchorOffset,
focusNodePath: focusNodePath,
focusOffset: selection.focusOffset
};
} else {
return {
anchorNodePath: focusNodePath,
anchorOffset: selection.focusOffset,
focusNodePath: anchorNodePath,
focusOffset: selection.anchorOffset
};
}
};
this._isCorrectSequenceSelection = function (selection) {
var rng = this.editor._window.document.createRange();
rng.setStart(selection.anchorNode, selection.anchorOffset);
rng.setEnd(selection.focusNode, selection.focusOffset);
return rng.startOffset == selection.anchorOffset && rng.startContainer == selection.anchorNode;
};
this._restoreSelection = function (savedSelection) {
var anchorNode = this._getNodeFromPath(savedSelection.anchorNodePath);
var focusNode = this._getNodeFromPath(savedSelection.focusNodePath);
var selection = this.editor._window.getSelection();
var rng = this.editor._window.document.createRange();
rng.setStart(anchorNode, savedSelection.anchorOffset);
rng.setEnd(focusNode, savedSelection.focusOffset);
selection.removeAllRanges();
selection.addRange(rng);
};
this._getNodeFromPath = function (path) {
var currentNode = this.editor._content;
while (path.length != 0) {
var currentChildIndex = path.pop();
currentNode = currentNode.contents().eq(currentChildIndex);
}
return currentNode.get(0);
};
this._getNodePath = function (node) {
var result = [];
var currentNode = node;
while (currentNode.nodeName != 'BODY') {
result.push($(currentNode.parentNode).contents().index(currentNode));
currentNode = currentNode.parentNode;
}
return result;
};
this.addParamToUrl = function (url, param, value) {
return url + (url.split('?')[1] ? '&':'?') + param + '=' + value;
}
},
BlockManager: function (editor) {
this.element = null;
this.current_block = null;
this._bindEvents = function () {
var self = this;
editor._content.on('dragstart', 'img', function (e) {
e.preventDefault();
return false;
}).on('mouseenter', '.mrge-content-block', function (e) {
self.showBlockManager(this);
}).on('mouseleave', '.mrge-content-block', function (e) {
self.hideBlockManager(this);
}).on('click', '.mrge-content-block-top', function(e) {
self._moveUp();
}).on('click', '.mrge-content-block-bottom', function(e) {
self._moveDown();
}).on('click', '.mrge-content-block-close', function (e) {
self.removeBlock();
});
};
this._bindEvents();
this.showBlockManager = function (block) {
this.current_block = block;
$(block).append('<div class="mrge-content-block-top mrge-content-block-move-action mrge-temp-support-element" contenteditable="false">▲</div>');
$(block).append('<div class="mrge-content-block-bottom mrge-content-block-move-action mrge-temp-support-element" contenteditable="false">▼</div>');
$(block).append('<div class="mrge-content-block-close mrge-temp-support-element fa fa-close" contenteditable="false">×</div>');
};
this._moveUp = function () {
var newBlock;
var self = this;
var prevElements = this._getElementsNearCurrentBlock(true);
var prevElement = this._getNearElementForCurrentBlock(prevElements, true);
if (prevElement.length) {
var prevBlock = this._getNearBlock(prevElements, true);
if (prevBlock && this._needToGoToBlock(prevBlock, prevElement, true)) {
newBlock = this._insertBlockRelative(this.current_block, prevBlock, true);
} else {
newBlock = this._insertBlockRelative(this.current_block, prevElement, true);
}
}
editor._selectionManager.clearSelection();
};
this._needToGoToBlock = function (nearBlock, nearElement, before) {
if (before) {
var blockBottomCoord = nearBlock.offset().top + nearBlock.outerHeight(true);
var curBlockTopCoord = $(this.current_block).offset().top - nearElement.outerHeight(true);
return blockBottomCoord >= curBlockTopCoord;
} else {
var blockTopCoord = nearBlock.offset().top;
var curBlockBottomCoord = $(this.current_block).offset().top + $(this.current_block).outerHeight(true);
return blockTopCoord <= curBlockBottomCoord;
}
};
this._needToGoFromBlocks = function (prevBlock) {
var prevBlockBottomCoord = prevBlock.offset().top + prevBlock.outerHeight(true);
var curBlockTopCoord = $(this.current_block).offset().top;
return prevBlockBottomCoord >= curBlockTopCoord;
};
this._getTargetToMoveFromBlocks = function (prevBlock) {
var prevBlockBottomCoord = prevBlock.offset().top + prevBlock.outerHeight(true);
var currentParagraph = prevBlock.next();
while (currentParagraph.length > 0) {
if (currentParagraph[0].nodeName == 'P' && currentParagraph.offset().top + currentParagraph.outerHeight(true) > prevBlockBottomCoord) return currentParagraph;
currentParagraph = currentParagraph.next();
}
return null;
};
this._insertBlockRelative = function (current_element, element, before) {
var blockClone = $(current_element).clone();
editor._selectionManager.clearSelection();
$(current_element).remove();
if (before) blockClone.insertBefore(element);
else blockClone.insertAfter(element);
return blockClone;
};
this._getNearBlock = function (elements, before) {
var blockSideClass = $(this.current_block).hasClass('mrge-left-side') ? 'mrge-left-side' : 'mrge-right-side';
var blocks = $.grep(elements, function (item) {
return $(item).hasClass('mrge-content-block') && $(item).hasClass(blockSideClass);
});
if (blocks.length > 0) {
if (before) return $(blocks).last();
else return $(blocks).first();
}
else return null;
};
this._getNearElementForCurrentBlock = function (elements, before) {
if (before) return $(elements).last();
else return $(elements).first();
};
this._getElementsNearCurrentBlock = function (before) {
var targetChildren;
var children = editor._content.children();
var curIndex = $(this.current_block).index();
if (before) targetChildren = children.slice(0, curIndex);
else targetChildren = children.slice(curIndex+1, children.length);
return $.grep(targetChildren, function (item) {
return !$(item).hasClass('mrge-support-element');
});
};
this._moveDown = function () {
var newBlock;
var self = this;
var nextElements = this._getElementsNearCurrentBlock(false);
var nextElement = this._getNearElementForCurrentBlock(nextElements, false);
if (nextElement.length) {
var nextBlock = this._getNearBlock(nextElements, false);
if (nextBlock && this._needToGoToBlock(nextBlock, nextElement, false)) {
nextBlock = this._insertBlockRelative(nextBlock, this.current_block, true);
newBlock = this._insertBlockRelative(this.current_block, nextBlock, false);
} else {
var prevElements = this._getElementsNearCurrentBlock(true);
var prevBlock = this._getNearBlock(prevElements, true);
if (prevBlock && this._needToGoFromBlocks(prevBlock)) {
var targetP = this._getTargetToMoveFromBlocks(prevBlock);
if (targetP) newBlock = this._insertBlockRelative(this.current_block, targetP, false);
else return;
} else {
newBlock = this._insertBlockRelative(this.current_block, nextElement, false);
}
}
}
editor._selectionManager.clearSelection();
};
this.hideBlockManager = function () {
editor._content.find('.mrge-temp-support-element').remove();
};
this.addBlock = function (data) {
var cSelection = editor._selectionManager.getCustomSelection();
var isCaret = editor._selectionManager.isCaret(cSelection);
var topElements = editor._selectionManager.getTopSelectedElements(cSelection, isCaret);
var block = new editor.Block(editor, topElements[0], data);
};
this.removeBlock = function () {
$(this.current_block).detach();
this.hideBlockManager();
};
},
Block: function (editor, topNode, data) {
this.editor = editor;
this.element = this._formSelf(data);
if (topNode === undefined) {
var node = $('<p><br /></p>');
node.appendTo(editor._content);
this.element.insertBefore(node);
} else {
this.element.insertBefore(topNode);
}
},
_blockMethodsInitialize: function (editor) {
this.Block.prototype._formSelf = function (data) {
var dataResult, result;
if (data['imageUrl']) {
dataResult = $('<img src="' + data['imageUrl'] + '">');
dataResult.css('max-width', this.editor.options.block.mediaBlock.width.def);
dataResult.css('max-height', this.editor.options.block.mediaBlock.height.def);
} else if (data['videoHTML']) {
dataResult = $(data['videoHTML']);
dataResult.attr('src', editor._actionSupport.addParamToUrl(dataResult.attr('src'), 'wmode', 'opaque'));
dataResult.width(this.editor.options.block.mediaBlock.width.video || this.editor.options.block.mediaBlock.width.def);
dataResult.height(this.editor.options.block.mediaBlock.height.video);
dataResult.attr('wmode', 'Opaque');
dataResult.attr('frameborder', '0');
}
result = $('<div class="mrge-content-block mrge-left-side" contenteditable="false"><div class="mrge-content-block-item"></div></div>');
var defWidth = this.editor.options.block.mediaBlock.width.def;
var defHeight = this.editor.options.block.mediaBlock.height.def;
result.css('max-width', defWidth);
result.css('max-height', defHeight);
result.children().css('max-width', defWidth);
result.children().css('max-height', defHeight);
result.children().append(dataResult);
return result;
};
},
Builder: function (editor) {
this.editor = editor;
this.exec = function () {
this._setupMainElement();
this._buildToolbox();
this._buildContentField();
this._buildSupportElements();
};
this._setupMainElement = function () {
editor.element.width(editor.options.width).height(editor.options.height).addClass('morrigan-editor');
};
this._buildToolbox = function () {
_formToolboxItem = function (config) {
var dropdown, dropdownItem;
var item = $('<a></a>');
if (config.view.title) item.attr('title', config.view.title);
if (config.view.classes) item.addClass(config.view.classes);
if (config.view.disabledIcon) item.css("background", config.view.disabledIcon);
if (config.view.text) item.append($('<span></span>').text(config.view.text).addClass('mrge-action-text'));
item.addClass('mrge-disabled mrge-action mrge-action-' + config.name);
if (config.dropdown) {
item.addClass('mrge-action-list');
dropdown = $('<div class="mrge-action-dropdown" style="display: none;"></div>');
if (config.dropdown.width) dropdown.width(config.dropdown.width);
$(config.dropdown.actionList).each(function () {
dropdownItem = $('<div></div>').text(this.text);
this.element = dropdownItem;
dropdown.append(dropdownItem);
});
item.append(dropdown);
}
if (editor._browser.ie) {
item.attr('unselectable', 'on');
item.find('*').attr('unselectable', 'on');
}
editor._actionManager.addAction(config, item);
return item;
};
_formToolboxBlock = function (arr) {
var blockItems = $('<li></li>');
$(arr).each(function () {
blockItems.append(_formToolboxItem(editor._actions[this]));
});
return blockItems;
};
_formToolboxLine = function (arr) {
var toolboxLines = $('<ul></ul>');
$(arr).each(function () {
toolboxLines.append(_formToolboxBlock(this));
});
return toolboxLines;
};
formToolbox = function () {
var toolbox = $('<div class="mrge-toolbox"></div>');
$(editor.options.toolbox).each(function () {
toolbox.append(_formToolboxLine(this));
});
toolbox.append($('<div class="mrge-clear"></div>'));
return toolbox;
};
editor.element.append(formToolbox());
};
this._buildContentField = function () {
contentFieldHeight = function () {
var toolboxHeight = editor.element.find('.mrge-toolbox').outerHeight(true);
return editor.element.height() - toolboxHeight;
};
iframeBodyHeight = function (iframe) {
var body = iframe.contents().find('body');
var diff = body.outerHeight(true) - body.height();
return iframe.height() - diff
};
defaultContentFieldContent = function () {
if (editor._browser.ie) return "<p></p>";
else if (editor._browser.ff || editor._browser.webkit) return "";
else return "<p><br></p>";
};
setupIframe = function (iframe) {
editor._window = iframe.get(0).contentWindow;
var idoc = editor._window.document;
idoc.open();
idoc.write(editor.options.doctype);
idoc.write("<html style='cursor: text;height: 100%;'>");
idoc.write("<head><link href='" + editor.options.iframeStyles + "' media='all' rel='stylesheet' type='text/css'></head>");
idoc.write("<body contenteditable='true' class='mrge-iframe-body'>" + defaultContentFieldContent() + "</body></html>");
idoc.close();
editor._content = iframe.contents().find('body');
setTimeout(function () {
editor._content.height(iframeBodyHeight(iframe));
}, 100);
if (!editor.options.spellCheck) editor._content.attr('spellcheck', false);
};
var contentField = $("<div class='mrge-content' style='height: " + contentFieldHeight() + "px'><iframe frameborder='0' class='mrge-content-iframe'></iframe></div>");
editor.element.append(contentField);
setupIframe(contentField.find('iframe'));