dhtmlxtree.js

尚学堂JavaScript视频教程源码,可以配合视频使用,其中一些有用的例子也可以在自己的网站中嵌入使用

//v.1.6 build 71114

/*
Copyright DHTMLX LTD. http://www.dhtmlx.com
You allowed to use this component or parts of it under GPL terms
To use it on other terms or get Professional edition of the component please contact us at [e-mail]
*/


function xmlPointer(data){this.d=data};xmlPointer.prototype={text:function(){if (!_isFF)return this.d.xml;var x = new XMLSerializer();return x.serializeToString(this.d)},
 get:function(name){return this.d.getAttribute(name)},
 exists:function(){return !!this.d },
 content:function(){return this.d.firstChild?this.d.firstChild.data:""}, 
 each:function(name,f,t,i){var a=this.d.childNodes;var c=new xmlPointer();if (a.length)for (i=i||0;i<a.length;i++)if (a[i].tagName==name){c.d=a[i];if(f.apply(t,[c,i])==-1) return}},
 get_all:function(){var a={};var b=this.d.attributes;for (var i=0;i<b.length;i++)a[b[i].name]=b[i].value;return a},
 sub:function(name){var a=this.d.childNodes;var c=new xmlPointer();if (a.length)for (var i=0;i<a.length;i++)if (a[i].tagName==name){c.d=a[i];return c}},
 up:function(name){return new xmlPointer(this.d.parentNode)},
 set:function(name,val){this.d.setAttribute(name,val)},
 clone:function(name){return new xmlPointer(this.d)},
 sub_exists:function(name){var a=this.d.childNodes;if (a.length)for (var i=0;i<a.length;i++)if (a[i].tagName==name)return true;return false},
 through:function(name,rule,v,f,t){var a=this.d.childNodes;if (a.length)for (var i=0;i<a.length;i++){if (a[i].tagName==name && a[i].getAttribute(rule)!=null && a[i].getAttribute(rule)!="" && (!v || a[i].getAttribute(rule)==v )) {var c=new xmlPointer(a[i]);f.apply(t,[c,i])};var w=this.d;this.d=a[i];this.through(name,rule,v,f,t);this.d=w}}};function dhtmlXTreeObject(htmlObject, width, height, rootId){if (_isIE)try {document.execCommand("BackgroundImageCache", false, true)}catch (e){};if (typeof(htmlObject)!="object")
 this.parentObject=document.getElementById(htmlObject);else
 this.parentObject=htmlObject;this._itim_dg=true;this.dlmtr=",";this.dropLower=false;this.enableIEImageFix();this.xmlstate=0;this.mytype="tree";this.smcheck=true;this.width=width;this.height=height;this.rootId=rootId;this.childCalc=null;this.def_img_x="18px";this.def_img_y="18px";this.def_line_img_x="18px";this.def_line_img_y="18px";this._dragged=new Array();this._selected=new Array();this.style_pointer="pointer";if (_isIE)this.style_pointer="hand";this._aimgs=true;this.htmlcA=" [";this.htmlcB="]";this.lWin=window;this.cMenu=0;this.mlitems=0;this.dadmode=0;this.slowParse=false;this.autoScroll=true;this.hfMode=0;this.nodeCut=new Array();this.XMLsource=0;this.XMLloadingWarning=0;this._idpull={};this._pullSize=0;this.treeLinesOn=true;this.tscheck=false;this.timgen=true;this.dpcpy=false;this._ld_id=null;this._oie_onXLE=[];this.imPath="treeGfx/";this.checkArray=new Array("iconUncheckAll.gif","iconCheckAll.gif","iconCheckGray.gif","iconUncheckDis.gif","iconCheckDis.gif","iconCheckDis.gif");this.radioArray=new Array("radio_off.gif","radio_on.gif","radio_on.gif","radio_off.gif","radio_on.gif","radio_on.gif");this.lineArray=new Array("line2.gif","line3.gif","line4.gif","blank.gif","blank.gif","line1.gif");this.minusArray=new Array("minus2.gif","minus3.gif","minus4.gif","minus.gif","minus5.gif");this.plusArray=new Array("plus2.gif","plus3.gif","plus4.gif","plus.gif","plus5.gif");this.imageArray=new Array("leaf.gif","folderOpen.gif","folderClosed.gif");this.cutImg= new Array(0,0,0);this.cutImage="but_cut.gif";this.dragger= new dhtmlDragAndDropObject();this.htmlNode=new dhtmlXTreeItemObject(this.rootId,"",0,this);this.htmlNode.htmlNode.childNodes[0].childNodes[0].style.display="none";this.htmlNode.htmlNode.childNodes[0].childNodes[0].childNodes[0].className="hiddenRow";this.allTree=this._createSelf();this.allTree.appendChild(this.htmlNode.htmlNode);if(_isFF)this.allTree.childNodes[0].width="100%";var self=this;this.allTree.onselectstart=new Function("return false;");if (_isMacOS)this.allTree.oncontextmenu = function(e){return self._doContClick(e||window.event)};this.allTree.onmousedown = function(e){return self._doContClick(e||window.event)};this.XMLLoader=new dtmlXMLLoaderObject(this._parseXMLTree,this,true,this.no_cashe);if (_isIE)this.preventIECashing(true);if (window.addEventListener)window.addEventListener("unload",function(){try{self.destructor()}catch(e){}},false);if (window.attachEvent)window.attachEvent("onunload",function(){try{self.destructor()}catch(e){}});this.dhx_Event();this._onEventSet={onMouseIn:function(){this.ehlt=true},onMouseOut:function(){this.ehlt=true},onSelect:function(){this._onSSCF=true}};return this};dhtmlXTreeObject.prototype.setDataMode=function(mode){this._datamode=mode};dhtmlXTreeObject.prototype._doContClick=function(ev){if (ev.button!=2){if(this._acMenu)this.cMenu._contextEnd();return true};var el=(_isIE?ev.srcElement:ev.target);while ((el)&&(el.tagName!="BODY")) {if (el.parentObject)break;el=el.parentNode};if ((!el)||(!el.parentObject)) return true;var obj=el.parentObject;this._acMenu=(obj.cMenu||this.cMenu);if (this._acMenu){el.contextMenuId=obj.id;el.contextMenu=this._acMenu;el.a=this._acMenu._contextStart;if (_isIE)ev.srcElement.oncontextmenu = function(){event.cancelBubble=true;return false};el.a(el,ev);el.a=null;ev.cancelBubble=true;return false};return true};dhtmlXTreeObject.prototype.enableIEImageFix=function(mode){if (!mode){this._getImg=function(id){return document.createElement((id==this.rootId)?"div":"img")};this._setSrc=function(a,b){a.src=b};this._getSrc=function(a){return a.src}}else {this._getImg=function(){var z=document.createElement("DIV");z.innerHTML="&nbsp;";z.className="dhx_bg_img_fix";return z};this._setSrc=function(a,b){a.style.backgroundImage="url("+b+")"};this._getSrc=function(a){var z=a.style.backgroundImage;return z.substr(4,z.length-5)}}};dhtmlXTreeObject.prototype.destructor=function(){for (var a in this._idpull){var z=this._idpull[a];if (!z)continue;z.parentObject=null;z.treeNod=null;z.childNodes=null;z.span=null;z.tr.nodem=null;z.tr=null;z.htmlNode.objBelong=null;z.htmlNode=null;this._idpull[a]=null};this.allTree.innerHTML="";this.XMLLoader.destructor();for(var a in this){this[a]=null}};function cObject(){return this};cObject.prototype= new Object;cObject.prototype.clone = function () {function _dummy(){};_dummy.prototype=this;return new _dummy()};function dhtmlXTreeItemObject(itemId,itemText,parentObject,treeObject,actionHandler,mode){this.htmlNode="";this.acolor="";this.scolor="";this.tr=0;this.childsCount=0;this.tempDOMM=0;this.tempDOMU=0;this.dragSpan=0;this.dragMove=0;this.span=0;this.closeble=1;this.childNodes=new Array();this.userData=new cObject();this.checkstate=0;this.treeNod=treeObject;this.label=itemText;this.parentObject=parentObject;this.actionHandler=actionHandler;this.images=new Array(treeObject.imageArray[0],treeObject.imageArray[1],treeObject.imageArray[2]);this.id=treeObject._globalIdStorageAdd(itemId,this);if (this.treeNod.checkBoxOff )this.htmlNode=this.treeNod._createItem(1,this,mode);else this.htmlNode=this.treeNod._createItem(0,this,mode);this.htmlNode.objBelong=this;return this};dhtmlXTreeObject.prototype._globalIdStorageAdd=function(itemId,itemObject){if (this._globalIdStorageFind(itemId,1,1)) {itemId=itemId +"_"+(new Date()).valueOf();return this._globalIdStorageAdd(itemId,itemObject)};this._idpull[itemId]=itemObject;this._pullSize++;return itemId};dhtmlXTreeObject.prototype._globalIdStorageSub=function(itemId){if (this._idpull[itemId]){this._unselectItem(this._idpull[itemId]);this._idpull[itemId]=null;this._pullSize--};if ((this._locker)&&(this._locker[itemId])) this._locker[itemId]=false};dhtmlXTreeObject.prototype._globalIdStorageFind=function(itemId,skipXMLSearch,skipParsing,isreparse){var z=this._idpull[itemId]
 if (z){return z};return null};dhtmlXTreeObject.prototype._escape=function(str){switch(this.utfesc){case "none":
 return str;break;case "utf8":
 return encodeURI(str);break;default:
 return escape(str);break}};dhtmlXTreeObject.prototype._drawNewTr=function(htmlObject,node)
 {var tr =document.createElement('tr');var td1=document.createElement('td');var td2=document.createElement('td');td1.appendChild(document.createTextNode(" "));td2.colSpan=3;td2.appendChild(htmlObject);tr.appendChild(td1);tr.appendChild(td2);return tr};dhtmlXTreeObject.prototype.loadXMLString=function(xmlString,afterCall){var that=this;if (!this.parsCount)this.callEvent("onXLS",[that,null]);this.xmlstate=1;if (afterCall)this.XMLLoader.waitCall=afterCall;this.XMLLoader.loadXMLString(xmlString)};dhtmlXTreeObject.prototype.loadXML=function(file,afterCall){if (this._datamode && this._datamode!="xml")return this["load"+this._datamode.toUpperCase()](file,afterCall);var that=this;if (!this.parsCount)this.callEvent("onXLS",[that,this._ld_id]);this._ld_id=null;this.xmlstate=1;this.XMLLoader=new dtmlXMLLoaderObject(this._parseXMLTree,this,true,this.no_cashe);if (afterCall)this.XMLLoader.waitCall=afterCall;this.XMLLoader.loadXML(file)};dhtmlXTreeObject.prototype._attachChildNode=function(parentObject,itemId,itemText,itemActionHandler,image1,image2,image3,optionStr,childs,beforeNode,afterNode){if (beforeNode && beforeNode.parentObject)parentObject=beforeNode.parentObject;if (((parentObject.XMLload==0)&&(this.XMLsource))&&(!this.XMLloadingWarning))
 {parentObject.XMLload=1;this._loadDynXML(parentObject.id)};var Count=parentObject.childsCount;var Nodes=parentObject.childNodes;if (afterNode){if (afterNode.tr.previousSibling.previousSibling){beforeNode=afterNode.tr.previousSibling.nodem}else
 optionStr=optionStr.replace("TOP","")+",TOP"};if (beforeNode){var ik,jk;for (ik=0;ik<Count;ik++)if (Nodes[ik]==beforeNode){for (jk=Count;jk!=ik;jk--)Nodes[1+jk]=Nodes[jk];break};ik++;Count=ik};if (optionStr){var tempStr=optionStr.split(",");for (var i=0;i<tempStr.length;i++){switch(tempStr[i])
 {case "TOP": if (parentObject.childsCount>0){beforeNode=new Object;beforeNode.tr=parentObject.childNodes[0].tr.previousSibling};parentObject._has_top=true;for (ik=Count;ik>0;ik--)Nodes[ik]=Nodes[ik-1];Count=0;break}}};var n;if (!(n=this._idpull[itemId])|| n.span!=-1){n=Nodes[Count]=new dhtmlXTreeItemObject(itemId,itemText,parentObject,this,null,1);itemId = Nodes[Count].id;parentObject.childsCount++};if(!n.htmlNode){n.label=itemText;n.htmlNode=this._createItem((this.checkBoxOff?1:0),n);n.htmlNode.objBelong=n};if(image1)n.images[0]=image1;if(image2)n.images[1]=image2;if(image3)n.images[2]=image3;var tr=this._drawNewTr(n.htmlNode);if ((this.XMLloadingWarning)||(this._hAdI))
 n.htmlNode.parentNode.parentNode.style.display="none";if ((beforeNode)&&(beforeNode.tr.nextSibling))
 parentObject.htmlNode.childNodes[0].insertBefore(tr,beforeNode.tr.nextSibling);else
 if (this.parsingOn==parentObject.id){this.parsedArray[this.parsedArray.length]=tr}else
 parentObject.htmlNode.childNodes[0].appendChild(tr);if ((beforeNode)&&(!beforeNode.span)) beforeNode=null;if (this.XMLsource)if ((childs)&&(childs!=0)) n.XMLload=0;else n.XMLload=1;n.tr=tr;tr.nodem=n;if (parentObject.itemId==0)tr.childNodes[0].className="hiddenRow";if ((parentObject._r_logic)||(this._frbtr))