dhtmlxtree.js

用js做的树 用js做的树 用js做的树

      {
         if ((!itemObject)||(visMode==1)) tempx.childNodes[i].htmlNode.parentNode.parentNode.style.display="";
         if (tempx.childNodes[i].openMe==1)
            {
            this._openItem(tempx.childNodes[i]);
            tempx.childNodes[i].openMe=0;
            }

         dhtmlObject._redrawFrom(dhtmlObject,tempx.childNodes[i]);


      };

      if ((!tempx.unParsed)&&((tempx.XMLload)||(!this.XMLsource)))
      tempx._acc=acc;
      dhtmlObject._correctLine(tempx);
      dhtmlObject._correctPlus(tempx);

   };

/**
*     @desc: create and return main html element of tree
*     @type: private
*     @topic: 0  
*/
   dhtmlXTreeObject.prototype._createSelf=function(){
      var div=document.createElement('div');
      div.className="containerTableStyle";
      div.style.width=this.width;
      div.style.height=this.height;
      this.parentObject.appendChild(div);
      return div;
   };

/**
*     @desc: collapse target node
*     @type: private
*     @param: itemObject - item object
*     @topic: 4  
*/
   dhtmlXTreeObject.prototype._xcloseAll=function(itemObject)
   {
        if (itemObject.unParsed) return;
      if (this.rootId!=itemObject.id) {
          var Nodes=itemObject.htmlNode.childNodes[0].childNodes;
            var Count=Nodes.length;

          for (var i=1; i<Count; i++)
             Nodes[i].style.display="none";

          this._correctPlus(itemObject);
      }

       for (var i=0; i<itemObject.childsCount; i++)
            if (itemObject.childNodes[i].childsCount)
             this._xcloseAll(itemObject.childNodes[i]);
   };
/**
*     @desc: expand target node
*     @type: private
*     @param: itemObject - item object
*     @topic: 4
*/      
   dhtmlXTreeObject.prototype._xopenAll=function(itemObject)
   {
      this._HideShow(itemObject,2);
      for (var i=0; i<itemObject.childsCount; i++)
         this._xopenAll(itemObject.childNodes[i]);
   };      
/**  
*     @desc: set correct tree-line and node images
*     @type: private
*     @param: itemObject - item object
*     @topic: 6  
*/
   dhtmlXTreeObject.prototype._correctPlus=function(itemObject){
        var imsrc=itemObject.htmlNode.childNodes[0].childNodes[0].childNodes[0].lastChild;
        var imsrc2=itemObject.htmlNode.childNodes[0].childNodes[0].childNodes[2].childNodes[0];

       var workArray=this.lineArray;
      if ((this.XMLsource)&&(!itemObject.XMLload))
      {
            var workArray=this.plusArray;
            imsrc2.src=this.imPath+itemObject.images[2];
                if (this._txtimg) return (imsrc.innerHTML="[+]");
      }
      else
      if ((itemObject.childsCount)||(itemObject.unParsed))
      {
         if ((itemObject.htmlNode.childNodes[0].childNodes[1])&&( itemObject.htmlNode.childNodes[0].childNodes[1].style.display!="none" ))
            {
            if (!itemObject.wsign) var workArray=this.minusArray;
            imsrc2.src=this.imPath+itemObject.images[1];
                if (this._txtimg) return (imsrc.innerHTML="[-]");
            }
         else
            {
            if (!itemObject.wsign) var workArray=this.plusArray;
            imsrc2.src=this.imPath+itemObject.images[2];
                if (this._txtimg) return (imsrc.innerHTML="[+]");
            }
      }
      else
      {
         imsrc2.src=this.imPath+itemObject.images[0];
       }


      var tempNum=2;
      if (!itemObject.treeNod.treeLinesOn) imsrc.src=this.imPath+workArray[3];
      else {
          if (itemObject.parentObject) tempNum=this._getCountStatus(itemObject.id,itemObject.parentObject);
         imsrc.src=this.imPath+workArray[tempNum];
         }
   };

/**
*     @desc: set correct tree-line images
*     @type: private
*     @param: itemObject - item object
*     @topic: 6
*/
   dhtmlXTreeObject.prototype._correctLine=function(itemObject){
      var sNode=itemObject.parentObject;
      if (sNode)
         if ((this._getLineStatus(itemObject.id,sNode)==0)||(!this.treeLinesOn))
               for(var i=1; i<=itemObject.childsCount; i++)
                                 {
                  itemObject.htmlNode.childNodes[0].childNodes[i].childNodes[0].style.backgroundImage="";
                   itemObject.htmlNode.childNodes[0].childNodes[i].childNodes[0].style.backgroundRepeat="";
                                  }
            else
               for(var i=1; i<=itemObject.childsCount; i++)
                           {
                itemObject.htmlNode.childNodes[0].childNodes[i].childNodes[0].style.backgroundImage="url("+this.imPath+this.lineArray[5]+")";
               itemObject.htmlNode.childNodes[0].childNodes[i].childNodes[0].style.backgroundRepeat="repeat-y";
                   }
   };
/**
*     @desc: return type of node
*     @type: private
*     @param: itemId - item id
*     @param: itemObject - parent node object
*     @topic: 6
*/
   dhtmlXTreeObject.prototype._getCountStatus=function(itemId,itemObject){

      if (itemObject.childsCount<=1) { if (itemObject.id==this.rootId) return 4; else  return 0; }

      if (itemObject.childNodes[0].id==itemId) if (!itemObject.id) return 2; else return 1;
      if (itemObject.childNodes[itemObject.childsCount-1].id==itemId) return 0;

      return 1;
   };
/**
*     @desc: return type of node
*     @type: private
*     @param: itemId - node id        
*     @param: itemObject - parent node object
*     @topic: 6
*/      
   dhtmlXTreeObject.prototype._getLineStatus =function(itemId,itemObject){
         if (itemObject.childNodes[itemObject.childsCount-1].id==itemId) return 0;
         return 1;
      }

/**  
*     @desc: open/close node 
*     @type: private
*     @param: itemObject - node object        
*     @param: mode - open/close mode [1-close 2-open](optional)
*     @topic: 6
*/      
   dhtmlXTreeObject.prototype._HideShow=function(itemObject,mode){
      if ((this.XMLsource)&&(!itemObject.XMLload)) {
            if (mode==1) return; //close for not loaded node - ignore it
            itemObject.XMLload=1;
            this._loadDynXML(itemObject.id);
            return; };

      var Nodes=itemObject.htmlNode.childNodes[0].childNodes; var Count=Nodes.length;
      if (Count>1){
         if ( ( (Nodes[1].style.display!="none") || (mode==1) ) && (mode!=2) ) {
//nb:solves standard doctype prb in IE
          this.allTree.childNodes[0].border = "1";
          this.allTree.childNodes[0].border = "0";
         nodestyle="none";
         }
         else  nodestyle="";

      for (var i=1; i<Count; i++)
         Nodes[i].style.display=nodestyle;
      }
      this._correctPlus(itemObject);
   }

/**
*     @desc: return node state
*     @type: private
*     @param: itemObject - node object        
*     @topic: 6
*/      
   dhtmlXTreeObject.prototype._getOpenState=function(itemObject){
      var z=itemObject.htmlNode.childNodes[0].childNodes;
      if (z.length<=1) return 0;
      if    (z[1].style.display!="none") return 1;
      else return -1;
   }

   
   
/**  
*     @desc: ondblclick item  event handler
*     @type: private
*     @topic: 0  
*/      
   dhtmlXTreeObject.prototype.onRowClick2=function(){
   if    (this.parentObject.treeNod.dblclickFuncHandler) if (!this.parentObject.treeNod.dblclickFuncHandler(this.parentObject.id,this.parentObject.treeNod)) return 0;
      if ((this.parentObject.closeble)&&(this.parentObject.closeble!="0"))
         this.parentObject.treeNod._HideShow(this.parentObject);
      else
         this.parentObject.treeNod._HideShow(this.parentObject,2);
   };
/**
*     @desc: onclick item event handler
*     @type: private
*     @topic: 0  
*/
   dhtmlXTreeObject.prototype.onRowClick=function(){
    var that=this.parentObject.treeNod;
   if    (that._spnFH) if (!that._spnFH(this.parentObject.id,that._getOpenState(this.parentObject))) return 0;
      if ((this.parentObject.closeble)&&(this.parentObject.closeble!="0"))
         that._HideShow(this.parentObject);
      else
         that._HideShow(this.parentObject,2);

//#on_open_end_event:11052006{
   if    (that._epnFH)
           if (!that.xmlstate)
                that._epnFH(this.parentObject.id,that._getOpenState(this.parentObject));
            else{
                that._oie_onXLE=that.onXLE;
                that.onXLE=that._epnFHe;
                }
//#}
   };
//#on_open_end_event:11052006{
      dhtmlXTreeObject.prototype._epnFHe=function(that,id){
        if (that._epnFH)
            that._epnFH(id,that.getOpenState(id));
        that.onXLE=that._oie_onXLE;
        if (that.onXLE) that.onXLE(that,id);
    }

//#}

/**
*     @desc: onclick item image event handler
*     @type: private
*     @edition: Professional
*     @topic: 0  
*/
   dhtmlXTreeObject.prototype.onRowClickDown=function(e){
            e=e||window.event;
         var that=this.parentObject.treeNod;
         that._selectItem(this.parentObject,e);
      };


/*****
SELECTION
*****/

/**
*     @desc: retun selected item id
*     @type: public
*     @return: id of selected item
*     @topic: 1
*/
   dhtmlXTreeObject.prototype.getSelectedItemId=function()
   {
        var str=new Array();
        for (var i=0; i<this._selected.length; i++) str[i]=this._selected[i].id;
      return (str.join(this.dlmtr));
   };

/**
*     @desc: visual select item in tree
*     @type: private
*     @param: node - tree item object
*     @edition: Professional
*     @topic: 0
*/
   dhtmlXTreeObject.prototype._selectItem=function(node,e){

            this._unselectItems();

					this._markItem(node);
         }
    dhtmlXTreeObject.prototype._markItem=function(node){
              if (node.scolor)  node.span.style.color=node.scolor;
              node.span.className="selectedTreeRow";
             node.i_sel=true;
             this._selected[this._selected.length]=node;
    }

/**
*     @desc: retun node index in childs collection by Id
*     @type: public
*     @param: itemId - node id
*     @return: node index
*     @topic: 2
*/
   dhtmlXTreeObject.prototype.getIndexById=function(itemId){
         var z=this._globalIdStorageFind(itemId);
         if (!z) return null;
         return this._getIndex(z);
   };
   dhtmlXTreeObject.prototype._getIndex=function(w){
        var z=w.parentObject;
        for (var i=0; i<z.childsCount; i++)
            if (z.childNodes[i]==w) return i;
   };





/**
*     @desc: visual unselect item in tree
*     @type: private
*     @param: node - tree item object
*     @edition: Professional
*     @topic: 0
*/
   dhtmlXTreeObject.prototype._unselectItem=function(node){
        if ((node)&&(node.i_sel))
            {

          node.span.className="standartTreeRow";
          if (node.acolor)  node.span.style.color=node.acolor;
            node.i_sel=false;
            for (var i=0; i<this._selected.length; i++)
                    if (!this._selected[i].i_sel) {
                        this._selected.splice(i,1);
                        break;
                 }

            }
       }

/**
*     @desc: visual unselect item in tree
*     @type: private
*     @param: node - tree item object
*     @edition: Professional
*     @topic: 0
*/
   dhtmlXTreeObject.prototype._unselectItems=function(){
      for (var i=0; i<this._selected.length; i++){
            var node=this._selected[i];
         node.span.className="standartTreeRow";
          if (node.acolor)  node.span.style.color=node.acolor;
         node.i_sel=false;
         }
         this._selected=new Array();
       }


/**  
*     @desc: select node text event handler
*     @type: private
*     @param: e - event object
*     @param: htmlObject - node object     
*     @param: mode - if false - call onSelect event
*     @topic: 0