dhtmlxtree.js

用js做的树 用js做的树 用js做的树

/*
Copyright Scand LLC http://www.scbr.com
This version of Software is free for using in non-commercial applications. 
For commercial use please contact [e-mail] to obtain license

*/ 

 

 
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.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._dragged=new Array();
 this._selected=new Array();

 this.style_pointer="pointer";
 if(navigator.appName == 'Microsoft Internet Explorer')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._globalIdStorage=new Array();
 this.globalNodeStorage=new Array();
 this._globalIdStorageSize=0;
 this.treeLinesOn=true;
 this.checkFuncHandler=0;
 this._spnFH=0;
 this.dblclickFuncHandler=0;
 this.tscheck=false;
 this.timgen=true;

 this.dpcpy=false;
 this._ld_id=null;

 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%";

 this.allTree.onselectstart=new Function("return false;");
 this.XMLLoader=new dtmlXMLLoaderObject(this._parseXMLTree,this,true,this.no_cashe);
 if(_isIE)this.preventIECashing(true);



 var self=this;
 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){}});

 return this;
};

dhtmlXTreeObject.prototype.destructor=function(){
 for(var i=0;i<this._globalIdStorageSize;i++){
 var z=this.globalNodeStorage[i];
 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.globalNodeStorage[i]=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)){d=new Date();itemId=d.valueOf()+"_"+itemId;return this._globalIdStorageAdd(itemId,itemObject);}
 this._globalIdStorage[this._globalIdStorageSize]=itemId;
 this.globalNodeStorage[this._globalIdStorageSize]=itemObject;
 this._globalIdStorageSize++;
 return itemId;
};

 
 dhtmlXTreeObject.prototype._globalIdStorageSub=function(itemId){
 for(var i=0;i<this._globalIdStorageSize;i++)
 if(this._globalIdStorage[i]==itemId)
{
 this._globalIdStorage[i]=this._globalIdStorage[this._globalIdStorageSize-1];
 this.globalNodeStorage[i]=this.globalNodeStorage[this._globalIdStorageSize-1];
 this._globalIdStorageSize--;
 this._globalIdStorage[this._globalIdStorageSize]=0;
 this.globalNodeStorage[this._globalIdStorageSize]=0;
}
};
 
 
 dhtmlXTreeObject.prototype._globalIdStorageFind=function(itemId,skipXMLSearch,skipParsing,isreparse){
 
 for(var i=0;i<this._globalIdStorageSize;i++)
 if(this._globalIdStorage[i]==itemId)
{

 return this.globalNodeStorage[i];
}

 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.onXLS)&&(!this.parsCount))that.onXLS(that,null);
 this.xmlstate=1;

 if(afterCall)this.XMLLoader.waitCall=afterCall;
 this.XMLLoader.loadXMLString(xmlString);};
 
 dhtmlXTreeObject.prototype.loadXML=function(file,afterCall){
 var that=this;
 if((this.onXLS)&&(!this.parsCount))that.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)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((!itemActionHandler)&&(this.aFunc))itemActionHandler=this.aFunc;

 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;
}
};
};

 Nodes[Count]=new dhtmlXTreeItemObject(itemId,itemText,parentObject,this,itemActionHandler,1);
 itemId = Nodes[Count].id;

 if(image1)Nodes[Count].images[0]=image1;
 if(image2)Nodes[Count].images[1]=image2;
 if(image3)Nodes[Count].images[2]=image3;

 parentObject.childsCount++;
 var tr=this._drawNewTr(Nodes[Count].htmlNode);
 if((this.XMLloadingWarning)||(this._hAdI))
 Nodes[Count].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))Nodes[Count].XMLload=0;else Nodes[Count].XMLload=1;
 Nodes[Count].tr=tr;
 tr.nodem=Nodes[Count];

 if(parentObject.itemId==0)
 tr.childNodes[0].className="hiddenRow";

 if((parentObject._r_logic)||(this._frbtr))
 Nodes[Count].htmlNode.childNodes[0].childNodes[0].childNodes[1].childNodes[0].src=this.imPath+this.radioArray[0];


 if(optionStr){
 var tempStr=optionStr.split(",");

 for(var i=0;i<tempStr.length;i++)
{
 switch(tempStr[i])
{
 case "SELECT": this.selectItem(itemId,false);break;
 case "CALL": this.selectItem(itemId,true);break;
 case "CHILD": Nodes[Count].XMLload=0;break;
 case "CHECKED":
 if(this.XMLloadingWarning)
 this.setCheckList+=this.dlmtr+itemId;
 else
 this.setCheck(itemId,1);
 break;
 case "HCHECKED":
 this._setCheck(Nodes[Count],"unsure");
 break;
 case "OPEN": Nodes[Count].openMe=1;break;
}
};
};

 if(!this.XMLloadingWarning)
{
 if((this._getOpenState(parentObject)<0)&&(!this._hAdI))this.openItem(parentObject.id);

 if(beforeNode)
{
 this._correctPlus(beforeNode);
 this._correctLine(beforeNode);
}
 this._correctPlus(parentObject);
 this._correctLine(parentObject);
 this._correctPlus(Nodes[Count]);
 if(parentObject.childsCount>=2)
{
 this._correctPlus(Nodes[parentObject.childsCount-2]);
 this._correctLine(Nodes[parentObject.childsCount-2]);
}
 if(parentObject.childsCount!=2)this._correctPlus(Nodes[0]);

 if(this.tscheck)this._correctCheckStates(parentObject);

 if(this._onradh){
 if(this.xmlstate==1){
 var old=this.onXLE;
 this.onXLE=function(id){this._onradh(itemId);if(old)old(id);}
}
 else
 this._onradh(itemId);
}

}

 return Nodes[Count];
};




 
 dhtmlXTreeObject.prototype.insertNewItem=function(parentId,itemId,itemText,itemActionHandler,image1,image2,image3,optionStr,childs){
 var parentObject=this._globalIdStorageFind(parentId);
 if(!parentObject)return(-1);
 var nodez=this._attachChildNode(parentObject,itemId,itemText,itemActionHandler,image1,image2,image3,optionStr,childs);

 return nodez;
};
 
 dhtmlXTreeObject.prototype.insertNewChild=function(parentId,itemId,itemText,itemActionHandler,image1,image2,image3,optionStr,childs){
 return this.insertNewItem(parentId,itemId,itemText,itemActionHandler,image1,image2,image3,optionStr,childs);
}
 
 dhtmlXTreeObject.prototype._parseXMLTree=function(dhtmlObject,node,parentId,level,xml_obj,start){
 if(!xml_obj)xml_obj=dhtmlObject.XMLLoader;
 dhtmlObject.skipLock=true;
 if(!dhtmlObject.parsCount)dhtmlObject.parsCount=1;else dhtmlObject.parsCount++;
 dhtmlObject.XMLloadingWarning=1;
 var nodeAskingCall="";
 if(!node){
 node=xml_obj.getXMLTopNode("tree");
 parentId=node.getAttribute("id");
 if(node.getAttribute("radio"))
 dhtmlObject.htmlNode._r_logic=true;
 dhtmlObject.parsingOn=parentId;
 dhtmlObject.parsedArray=new Array();
 dhtmlObject.setCheckList="";
}

 var temp=dhtmlObject._globalIdStorageFind(parentId);

 if((temp.childsCount)&&(!start)&&(!dhtmlObject._edsbps)&&(!temp._has_top))
 var preNode=temp.childNodes[temp.childsCount-1];
 else
 var preNode=0;

 if(node.getAttribute("order"))
 dhtmlObject._reorderXMLBranch(node);

 var npl=0;

 for(var i=start||0;i<node.childNodes.length;i++)
{

 if((node.childNodes[i].nodeType==1)&&(node.childNodes[i].tagName == "item"))
{
 temp.XMLload=1;
 if((dhtmlObject._epgps)&&(dhtmlObject._epgpsC==npl)){
 this._setNextPageSign(temp,npl+1*(start||0),level,node);
 break;
}

 var nodx=node.childNodes[i];
 var name=nodx.getAttribute("text");

 var cId=nodx.getAttribute("id");

 if((typeof(dhtmlObject.waitUpdateXML)=="object")&&(!dhtmlObject.waitUpdateXML[cId])){
 dhtmlObject._parseXMLTree(dhtmlObject,node.childNodes[i],cId,1,xml_obj);
 continue;
}

 var im0=nodx.getAttribute("im0");
 var im1=nodx.getAttribute("im1");
 var im2=nodx.getAttribute("im2");
 
 var aColor=nodx.getAttribute("aCol");
 var sColor=nodx.getAttribute("sCol");
 
 var chd=nodx.getAttribute("child");

 var imw=nodx.getAttribute("imwidth");
 var imh=nodx.getAttribute("imheight");

 var atop=nodx.getAttribute("top");
 var aradio=nodx.getAttribute("radio");
 var topoffset=nodx.getAttribute("topoffset");
 var aopen=nodx.getAttribute("open");
 var aselect=nodx.getAttribute("select");
 var acall=nodx.getAttribute("call");
 var achecked=nodx.getAttribute("checked");
 var closeable=nodx.getAttribute("closeable");
 var tooltip = nodx.getAttribute("tooltip");
 var nocheckbox = nodx.getAttribute("nocheckbox");
 var disheckbox = nodx.getAttribute("disabled");
 var style = nodx.getAttribute("style");

 var locked = nodx.getAttribute("locked");

 var zST="";
 if(aselect)zST+=",SELECT";
 if(atop)zST+=",TOP";
 
 if(acall)nodeAskingCall=cId;

 if(achecked==-1)zST+=",HCHECKED";
 else if(achecked)zST+=",CHECKED";
 if(aopen)zST+=",OPEN";

 if(dhtmlObject.waitUpdateXML){
 if(dhtmlObject._globalIdStorageFind(cId))
 var newNode=dhtmlObject.updateItem(cId,name,im0,im1,im2,achecked);
 else{
 if(npl==0)zST+=",TOP";
 else preNode=temp.childNodes[npl];