drop.min.js

/*! drop 0.4.0 */
(function(){var t,e,o,n,i,s,r,l,h,a,p,f,u,d,c,g,m={}.hasOwnProperty,b=[].indexOf||function(t){for(var e=0,o=this.length;o>e;e++)if(e in this&&this[e]===t)return e;return-1},v=[].slice;null==window.Tether&&(window.Tether={}),a=function(t){var e,o,n,i,s;if(o=getComputedStyle(t).position,"fixed"===o)return t;for(n=void 0,e=t;e=e.parentNode;){try{i=getComputedStyle(e)}catch(r){}if(null==i)return e;if(/(auto|scroll)/.test(i.overflow+i["overflow-y"]+i["overflow-x"])&&("absolute"!==o||"relative"===(s=i.position)||"absolute"===s||"fixed"===s))return e}return document.body},d=function(){var t;return t=0,function(){return t++}}(),g={},h=function(t){var e,n,s,r,l;if(s=t._tetherZeroElement,null==s&&(s=t.createElement("div"),s.setAttribute("data-tether-id",d()),i(s.style,{top:0,left:0,position:"absolute"}),t.body.appendChild(s),t._tetherZeroElement=s),e=s.getAttribute("data-tether-id"),null==g[e]){g[e]={},l=s.getBoundingClientRect();for(n in l)r=l[n],g[e][n]=r;o(function(){return g[e]=void 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null==t&&(t=!0),n(this.target,this.getClass("enabled")),n(this.element,this.getClass("enabled")),this.enabled=!0,this.scrollParent!==document&&this.scrollParent.addEventListener("scroll",this.position),t?this.position():void 0},t.prototype.disable=function(){return w(this.target,this.getClass("enabled")),w(this.element,this.getClass("enabled")),this.enabled=!1,null!=this.scrollParent?this.scrollParent.removeEventListener("scroll",this.position):void 0},t.prototype.destroy=function(){var t,e,o,n,i;for(this.disable(),i=[],t=o=0,n=C.length;n>o;t=++o){if(e=C[t],e===this){C.splice(t,1);break}i.push(void 0)}return i},t.prototype.updateAttachClasses=function(t,e){var o,n,i,s,r,h,a,p,f,u=this;for(null==t&&(t=this.attachment),null==e&&(e=this.targetAttachment),s=["left","top","bottom","right","middle","center"],(null!=(f=this._addAttachClasses)?f.length:void 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this.move(c),this.history.unshift(c),this.history.length>3&&this.history.pop(),t&&a(),!0}},t.prototype.move=function(t){var e,o,n,i,s,r,a,p,u,d,c,g,m,b,v,y,w,C=this;if(null!=this.element.parentNode){p={};for(d in t){p[d]={};for(i in t[d]){for(n=!1,y=this.history,b=0,v=y.length;v>b;b++)if(a=y[b],!x(null!=(w=a[d])?w[i]:void 0,t[d][i])){n=!0;break}n||(p[d][i]=!0)}}e={top:"",left:"",right:"",bottom:""},u=function(t,o){var n,i,s;return(null!=(s=C.options.optimizations)?s.gpu:void 0)===!1?(t.top?e.top=""+o.top+"px":e.bottom=""+o.bottom+"px",t.left?e.left=""+o.left+"px":e.right=""+o.right+"px"):(t.top?(e.top=0,i=o.top):(e.bottom=0,i=-o.bottom),t.left?(e.left=0,n=o.left):(e.right=0,n=-o.right),e[O]="translateX("+Math.round(n)+"px) translateY("+Math.round(i)+"px)","msTransform"!==O?e[O]+=" translateZ(0)":void 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t,e,o,n,i,s,r,l,h,a,p=[].indexOf||function(t){for(var e=0,o=this.length;o>e;e++)if(e in this&&this[e]===t)return e;return-1};a=Tether.Utils,r=a.getOuterSize,s=a.getBounds,l=a.getSize,n=a.extend,h=a.updateClasses,o=a.defer,e={left:"right",right:"left",top:"bottom",bottom:"top",middle:"middle"},t=["left","top","right","bottom"],i=function(e,o){var n,i,r,l,h,a,p;if("scrollParent"===o?o=e.scrollParent:"window"===o&&(o=[pageXOffset,pageYOffset,innerWidth+pageXOffset,innerHeight+pageYOffset]),o===document&&(o=o.documentElement),null!=o.nodeType)for(i=l=s(o),h=getComputedStyle(o),o=[i.left,i.top,l.width+i.left,l.height+i.top],n=a=0,p=t.length;p>a;n=++a)r=t[n],r=r[0].toUpperCase()+r.substr(1),"Top"===r||"Left"===r?o[n]+=parseFloat(h["border"+r+"Width"]):o[n]-=parseFloat(h["border"+r+"Width"]);return o},Tether.modules.push({position:function(e){var r,l,a,f,u,d,c,g,m,b,v,y,w,C,O,T,x,P,E,L,A,M,_,B,W,S,F,Y,z,H,X,N,j,D,k,U,R,q,Z,$,I,G,J,K,Q,V,te,ee=this;if(S=e.top,v=e.left,A=e.targetAttachment,!this.options.constraints)return!0;for(P=function(e){var o,n,i,s;for(ee.removeClass(e),s=[],n=0,i=t.length;i>n;n++)o=t[n],s.push(ee.removeClass(""+e+"-"+o));return s},$=this.cache("element-bounds",function(){return s(ee.element)}),b=$.height,F=$.width,0===F&&0===b&&null!=this.lastSize&&(I=this.lastSize,F=I.width,b=I.height),_=this.cache("target-bounds",function(){return 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"),d=Q[0],u=Q[1]):u=d=a,f=i(this,W),("target"===d||"both"===d)&&(S<f[1]&&"top"===L.top&&(S+=M,L.top="bottom"),S+b>f[3]&&"bottom"===L.top&&(S-=M,L.top="top")),"together"===d&&(S<f[1]&&"top"===L.top&&("bottom"===m.top?(S+=M,L.top="bottom",S+=b,m.top="top"):"top"===m.top&&(S+=M,L.top="bottom",S-=b,m.top="bottom")),S+b>f[3]&&"bottom"===L.top&&("top"===m.top?(S-=M,L.top="top",S-=b,m.top="bottom"):"bottom"===m.top&&(S-=M,L.top="top",S+=b,m.top="top"))),("target"===u||"both"===u)&&(v<f[0]&&"left"===L.left&&(v+=B,L.left="right"),v+F>f[2]&&"right"===L.left&&(v-=B,L.left="left")),"together"===u&&(v<f[0]&&"left"===L.left?"right"===m.left?(v+=B,L.left="right",v+=F,m.left="left"):"left"===m.left&&(v+=B,L.left="right",v-=F,m.left="right"):v+F>f[2]&&"right"===L.left&&("left"===m.left?(v-=B,L.left="left",v-=F,m.left="right"):"right"===m.left&&(v-=B,L.left="left",v+=F,m.left="left"))),("element"===d||"both"===d)&&(S<f[1]&&"bottom"===m.top&&(S+=b,m.top="top"),S+b>f[3]&&"top"===m.top&&(S-=b,m.top="bottom")),("element"===u||"both"===u)&&(v<f[0]&&"right"===m.left&&(v+=F,m.left="left"),v+F>f[2]&&"left"===m.left&&(v-=F,m.left="right")),"string"==typeof O?O=function(){var t,e,o,n;for(o=O.split(","),n=[],e=0,t=o.length;t>e;e++)C=o[e],n.push(C.trim());return n}():O===!0&&(O=["top","left","right","bottom"]),O||(O=[]),T=[],y=[],S<f[1]&&(p.call(O,"top")>=0?(S=f[1],T.push("top")):y.push("top")),S+b>f[3]&&(p.call(O,"bottom")>=0?(S=f[3]-b,T.push("bottom")):y.push("bottom")),v<f[0]&&(p.call(O,"left")>=0?(v=f[0],T.push("left")):y.push("left")),v+F>f[2]&&(p.call(O,"right")>=0?(v=f[2]-F,T.push("right")):y.push("right")),T.length)for(x=null!=(V=this.options.pinnedClass)?V:this.getClass("pinned"),r.push(x),q=0,U=T.length;U>q;q++)E=T[q],r.push(""+x+"-"+E);if(y.length)for(w=null!=(te=this.options.outOfBoundsClass)?te:this.getClass("out-of-bounds"),r.push(w),Z=0,R=y.length;R>Z;Z++)E=y[Z],r.push(""+w+"-"+E);(p.call(T,"left")>=0||p.call(T,"right")>=0)&&(m.left=L.left=!1),(p.call(T,"top")>=0||p.call(T,"bottom")>=0)&&(m.top=L.top=!1),(L.top!==A.top||L.left!==A.left||m.top!==this.attachment.top||m.left!==this.attachment.left)&&this.updateAttachClasses(m,L)}return o(function(){return h(ee.target,r,l),h(ee.element,r,l)}),{top:S,left:v}}})}.call(this),function(){var t,e,o,n;n=Tether.Utils,e=n.getBounds,o=n.updateClasses,t=n.defer,Tether.modules.push({position:function(n){var i,s,r,l,h,a,p,f,u,d,c,g,m,b,v,y,w,C,O,T,x,P,E,L,A,M=this;if(c=n.top,a=n.left,x=this.cache("element-bounds",function(){return e(M.element)}),h=x.height,g=x.width,d=this.getTargetBounds(),l=c+h,p=a+g,i=[],c<=d.bottom&&l>=d.top)for(P=["left","right"],m=0,w=P.length;w>m;m++)f=P[m],((E=d[f])===a||E===p)&&i.push(f);if(a<=d.right&&p>=d.left)for(L=["top","bottom"],b=0,C=L.length;C>b;b++)f=L[b],((A=d[f])===c||A===l)&&i.push(f);for(r=[],s=[],u=["left","top","right","bottom"],r.push(this.getClass("abutted")),v=0,O=u.length;O>v;v++)f=u[v],r.push(""+this.getClass("abutted")+"-"+f);for(i.length&&s.push(this.getClass("abutted")),y=0,T=i.length;T>y;y++)f=i[y],s.push(""+this.getClass("abutted")+"-"+f);return t(function(){return o(M.target,s,r),o(M.element,s,r)}),!0}})}.call(this),function(){Tether.modules.push({position:function(t){var e,o,n,i,s,r,l;return r=t.top,e=t.left,this.options.shift?(o=function(t){return"function"==typeof t?t.call(this,{top:r,left:e}):t},n=o(this.options.shift),"string"==typeof n?(n=n.split(" "),n[1]||(n[1]=n[0]),s=n[0],i=n[1],s=parseFloat(s,10),i=parseFloat(i,10)):(l=[n.top,n.left],s=l[0],i=l[1]),r+=s,e+=i,{top:r,left:e}):void 0}})}.call(this),function(){var t,e,o,n,i,s,r,l,h,a,p,f,u={}.hasOwnProperty,d=function(t,e){function o(){this.constructor=t}for(var n in e)u.call(e,n)&&(t[n]=e[n]);return o.prototype=e.prototype,t.prototype=new o,t.__super__=e.prototype,t},c=[].indexOf||function(t){for(var e=0,o=this.length;o>e;e++)if(e in this&&this[e]===t)return e;return-1};f=Tether.Utils,r=f.extend,o=f.addClass,h=f.removeClass,l=f.hasClass,t=f.Evented,p="ontouchstart"in document.documentElement,i=["click"],p&&i.push("touchstart"),a=function(t){var e,o,n,i;return n=t.split(" "),e=n[0],o=n[1],("left"===e||"right"===e)&&(i=[o,e],e=i[0],o=i[1]),[e,o].join(" ")},e={left:"right",right:"left",top:"bottom",bottom:"top",middle:"middle",center:"center"},n={},s=function(p){var f,u,g,m;return null==p&&(p={}),g=function(){return function(t,e,o){o.prototype=t.prototype;var n=new o,i=t.apply(n,e);return Object(i)===i?i:n}(f,arguments,function(){})},r(g,{createContext:s,drops:[],defaults:{}}),u={classPrefix:"drop",defaults:{position:"bottom left",openOn:"click",constrainToScrollParent:!0,constrainToWindow:!0,classes:"",tetherOptions:{}}},r(g,u,p),r(g.defaults,u.defaults,p.defaults),null==n[m=g.classPrefix]&&(n[m]=[]),g.updateBodyClasses=function(){var t,e,i,s,r;for(t=!1,r=n[g.classPrefix],i=0,s=r.length;s>i;i++)if(e=r[i],e.isOpened()){t=!0;break}return t?o(document.body,""+g.classPrefix+"-open"):h(document.body,""+g.classPrefix+"-open")},f=function(t){function s(t){if(this.options=t,this.options=r({},g.defaults,this.options),this.target=this.options.target,null==this.target)throw new Error("Drop Error: You must provide a target.");this.options.classes&&o(this.target,this.options.classes),g.drops.push(this),n[g.classPrefix].push(this),this.setupElements(),this.setupEvents(),this.setupTether()}return d(s,t),s.prototype.setupElements=function(){return this.drop=document.createElement("div"),o(this.drop,g.classPrefix),this.options.classes&&o(this.drop,this.options.classes),this.dropContent=document.createElement("div"),o(this.dropContent,""+g.classPrefix+"-content"),"object"==typeof this.options.content?this.dropContent.appendChild(this.options.content):this.dropContent.innerHTML=this.options.content,this.drop.appendChild(this.dropContent)},s.prototype.setupTether=function(){var t,o;return o=this.options.position.split(" "),o[0]=e[o[0]],o=o.join(" "),t=[],t.push(this.options.constrainToScrollParent?{to:"scrollParent",pin:"top, bottom",attachment:"together none"}:{to:"scrollParent"}),t.push(this.options.constrainToWindow!==!1?{to:"window",pin:!0,attachment:"together"}:{to:"window"}),p={element:this.drop,target:this.target,attachment:a(o),targetAttachment:a(this.options.position),classPrefix:g.classPrefix,offset:"0 0",targetOffset:"0 0",enabled:!1,constraints:t},this.options.tether!==!1?this.tether=new Tether(r({},p,this.options.tether)):void 0},s.prototype.setupEvents=function(){var t,e,o,n,s,r,l,h,a,p,f=this;if(this.options.openOn){if(o=this.options.openOn.split(" "),c.call(o,"click")>=0||c.call(o,"hover")>=0)for(s=function(t){return f.toggle(),t.preventDefault()},e=function(t){return!f.isOpened()||t.target===f.drop||f.drop.contains(t.target)||t.target===f.target||f.target.contains(t.target)?void 0:f.close()},a=0,p=i.length;p>a;a++)t=i[a],this.target.addEventListener(t,s),document.addEventListener(t,e);return c.call(o,"hover")>=0?(n=!1,h=function(){return n=!0,f.open()},l=null,r=function(){return n=!1,null!=l&&clearTimeout(l),l=setTimeout(function(){return n||f.close(),l=null},50)},this.target.addEventListener("mouseover",h),this.drop.addEventListener("mouseover",h),this.target.addEventListener("mouseout",r),this.drop.addEventListener("mouseout",r)):void 0}},s.prototype.isOpened=function(){return l(this.drop,""+g.classPrefix+"-open")},s.prototype.toggle=function(){return this.isOpened()?this.close():this.open()},s.prototype.open=function(){var t,e=this;return this.drop.parentNode||document.body.appendChild(this.drop),null!=(t=this.tether)&&t.enable(),o(this.drop,""+g.classPrefix+"-open"),o(this.drop,""+g.classPrefix+"-open-transitionend"),setTimeout(function(){return o(e.drop,""+g.classPrefix+"-after-open")}),this.tether.position(),this.trigger("open"),g.updateBodyClasses()},s.prototype.close=function(){var t,e=this;return h(this.drop,""+g.classPrefix+"-open"),h(this.drop,""+g.classPrefix+"-after-open"),this.drop.addEventListener("transitionend",function(){return l(e.drop,""+g.classPrefix+"-open")?void 0:h(e.drop,""+g.classPrefix+"-open-transitionend")}),this.trigger("close"),null!=(t=this.tether)&&t.disable(),g.updateBodyClasses()},s}(t),g},window.Drop=s(),document.addEventListener("DOMContentLoaded",function(){return Drop.updateBodyClasses()})}.call(this);