dhtmlxtree.js

用js做的树 用js做的树 用js做的树

   dhtmlXTreeObject.prototype.getUserData=function(itemId,name){
      var sNode=this._globalIdStorageFind(itemId,0,true);
      if (!sNode) return;
      return sNode.userData["t_"+name];
   };




/**
*     @desc: get node color
*     @param: itemId - id of node
*     @type: public
*     @return: color of node (empty string for default color);
*     @topic: 6  
*/   
   dhtmlXTreeObject.prototype.getItemColor=function(itemId)
   {
      var temp=this._globalIdStorageFind(itemId);
      if (!temp) return 0;

      var res= new Object();
      if (temp.acolor) res.acolor=temp.acolor;
      if (temp.acolor) res.scolor=temp.scolor;      
      return res;
   };
/**  
*     @desc: set node color
*     @param: itemId - id of node
*     @param: defaultColor - node color
*     @param: selectedColor - selected node color
*     @type: public
*     @topic: 6
*/
   dhtmlXTreeObject.prototype.setItemColor=function(itemId,defaultColor,selectedColor)
   {
      if ((itemId)&&(itemId.span))
         var temp=itemId;
      else
         var temp=this._globalIdStorageFind(itemId);
      if (!temp) return 0;
         else {
         if (temp.i_sel)
            {  if (selectedColor) temp.span.style.color=selectedColor; }
         else
            {  if (defaultColor) temp.span.style.color=defaultColor;  }

         if (selectedColor) temp.scolor=selectedColor;
         if (defaultColor) temp.acolor=defaultColor;
         }
   };

/**
*     @desc: return item text
*     @param: itemId - id of node
*     @type: public
*     @return: text of item (with HTML formatting, if any)
*     @topic: 6
*/
   dhtmlXTreeObject.prototype.getItemText=function(itemId)
   {
      var temp=this._globalIdStorageFind(itemId);
      if (!temp) return 0;
      return(temp.htmlNode.childNodes[0].childNodes[0].childNodes[3].childNodes[0].innerHTML);
   };
/**  
*     @desc: return parent item id
*     @param: itemId - id of node
*     @type: public
*     @return: id of parent item
*     @topic: 4
*/         
   dhtmlXTreeObject.prototype.getParentId=function(itemId)
   {
      var temp=this._globalIdStorageFind(itemId);
      if ((!temp)||(!temp.parentObject)) return "";
      return temp.parentObject.id;
   };



/**  
*     @desc: change item id
*     @type: public
*     @param: itemId - old node id
*     @param: newItemId - new node id        
*     @topic: 4
*/    
   dhtmlXTreeObject.prototype.changeItemId=function(itemId,newItemId)
   {
      var temp=this._globalIdStorageFind(itemId);
      if (!temp) return 0;
      temp.id=newItemId;
        temp.span.contextMenuId=newItemId;
      for (var i=0; i<this._globalIdStorageSize; i++)
         if (this._globalIdStorage[i]==itemId) 
            {
            this._globalIdStorage[i]=newItemId;
            }
   };


/**
*     @desc: mark selected item as cutted
*     @type: public
*     @topic: 2  
*/    
   dhtmlXTreeObject.prototype.doCut=function(){
      if (this.nodeCut) this.clearCut();
      this.nodeCut=(new Array()).concat(this._selected);
        for (var i=0; i<this.nodeCut.length; i++){
          var tempa=this.nodeCut[i];
            tempa._cimgs=new Array();
          tempa._cimgs[0]=tempa.images[0];
          tempa._cimgs[1]=tempa.images[1];
          tempa._cimgs[2]=tempa.images[2];
          tempa.images[0]=tempa.images[1]=tempa.images[2]=this.cutImage;
          this._correctPlus(tempa);
        }
   };

/**
*     @desc: insert previously cutted branch
*     @param: itemId - id of new parent node
*     @type: public
*     @topic: 2  
*/    
   dhtmlXTreeObject.prototype.doPaste=function(itemId){
      var tobj=this._globalIdStorageFind(itemId);
      if (!tobj) return 0;
        for (var i=0; i<this.nodeCut.length; i++){
               if (this._checkPNodes(tobj,this.nodeCut[i])) continue;
                this._moveNode(this.nodeCut[i],tobj);
               }
      this.clearCut();
   };

/**  
*     @desc: clear cut
*     @type: public
*     @topic: 2  
*/
   dhtmlXTreeObject.prototype.clearCut=function(){
      for (var i=0; i<this.nodeCut.length; i++)
         {
          var tempa=this.nodeCut[i];
          tempa.images[0]=tempa._cimgs[0];
          tempa.images[1]=tempa._cimgs[1];
          tempa.images[2]=tempa._cimgs[2];
          this._correctPlus(tempa);
         }
          this.nodeCut=new Array();
   };
   


   /**  
*     @desc: move node with subnodes
*     @type: private
*     @param: itemObject - moved node object
*     @param: targetObject - new parent node
*     @topic: 2  
*/
   dhtmlXTreeObject.prototype._moveNode=function(itemObject,targetObject){

	  return this._moveNodeTo(itemObject,targetObject);

   }

   /**
*     @desc: fix order of nodes in collection
*     @type: private
*     @param: target - parent item node
*     @param: zParent - before node
*     @edition: Professional
*     @topic: 2
*/

dhtmlXTreeObject.prototype._fixNodesCollection=function(target,zParent){
      var flag=0; var icount=0;
      var Nodes=target.childNodes;
      var Count=target.childsCount-1;

      if (zParent==Nodes[Count]) return;
      for (var i=0; i<Count; i++)
         if (Nodes[i]==Nodes[Count]) {  Nodes[i]=Nodes[i+1]; Nodes[i+1]=Nodes[Count]; }

//         Count=target.childsCount;
      for (var i=0; i<Count+1; i++)      
         {
         if (flag) { 
            var temp=Nodes[i];
            Nodes[i]=flag; 
            flag=temp; 
               }
         else 
         if (Nodes[i]==zParent) {   flag=Nodes[i]; Nodes[i]=Nodes[Count];  }
         }
   };
   
/**  
*     @desc: recreate branch
*     @type: private
*     @param: itemObject - moved node object
*     @param: targetObject - new parent node
*     @param: level - top level flag
*     @param: beforeNode - node for sibling mode
*     @mode: mode - DragAndDrop mode (0 - as child, 1 as sibling)
*     @edition: Professional
*     @topic: 2
*/
dhtmlXTreeObject.prototype._recreateBranch=function(itemObject,targetObject,beforeNode,level){
    var i; var st="";
    if (beforeNode){
    for (i=0; i<targetObject.childsCount; i++)
        if (targetObject.childNodes[i]==beforeNode) break;

    if (i!=0)
        beforeNode=targetObject.childNodes[i-1];
    else{
        st="TOP";
        beforeNode="";
        }
    }

   var newNode=this._attachChildNode(targetObject,itemObject.id,itemObject.label,0,itemObject.images[0],itemObject.images[1],itemObject.images[2],st,0,beforeNode);

   //copy user data
   newNode._userdatalist=itemObject._userdatalist;
   newNode.userData=itemObject.userData.clone();
    newNode.XMLload=itemObject.XMLload;


   for (var i=0; i<itemObject.childsCount; i++)
      this._recreateBranch(itemObject.childNodes[i],newNode,0,1);


   return newNode;
}

/**
*     @desc: move single node
*     @type: private
*     @param: itemObject - moved node object
*     @param: targetObject - new parent node
*     @edition: Professional
*     @mode: mode - DragAndDrop mode (0 - as child, 1 as sibling)
*     @topic: 2
*/
   dhtmlXTreeObject.prototype._moveNodeTo=function(itemObject,targetObject,beforeNode){
    //return;
    if   (itemObject.treeNod._nonTrivialNode)
        return itemObject.treeNod._nonTrivialNode(this,targetObject,beforeNode,itemObject);

    if    (targetObject.mytype)
       var framesMove=(itemObject.treeNod.lWin!=targetObject.lWin);
    else
          var framesMove=(itemObject.treeNod.lWin!=targetObject.treeNod.lWin);

   if (this.dragFunc) if (!this.dragFunc(itemObject.id,targetObject.id,(beforeNode?beforeNode.id:null),itemObject.treeNod,targetObject.treeNod)) return false;
      if ((targetObject.XMLload==0)&&(this.XMLsource))
         {
         targetObject.XMLload=1;
            this._loadDynXML(targetObject.id);
         }
      this.openItem(targetObject.id);

   var oldTree=itemObject.treeNod;
   var c=itemObject.parentObject.childsCount;
   var z=itemObject.parentObject;

   if ((framesMove)||(oldTree.dpcpy)) {//interframe drag flag
        var _otiid=itemObject.id;
      itemObject=this._recreateBranch(itemObject,targetObject,beforeNode);
        if (!oldTree.dpcpy) oldTree.deleteItem(_otiid);
        }
   else
      {

      var Count=targetObject.childsCount; var Nodes=targetObject.childNodes;
           Nodes[Count]=itemObject;
            itemObject.treeNod=targetObject.treeNod;
            targetObject.childsCount++;         

            var tr=this._drawNewTr(Nodes[Count].htmlNode);

            if (!beforeNode)
               {
                  targetObject.htmlNode.childNodes[0].appendChild(tr);
               if (this.dadmode==1) this._fixNodesCollection(targetObject,beforeNode);
               }
            else
               {
               targetObject.htmlNode.childNodes[0].insertBefore(tr,beforeNode.tr);
               this._fixNodesCollection(targetObject,beforeNode);
               Nodes=targetObject.childNodes;
               }


         }

            if ((!oldTree.dpcpy)&&(!framesMove))   {
                var zir=itemObject.tr;

                if ((document.all)&&(navigator.appVersion.search(/MSIE\ 5\.0/gi)!=-1))
                    {
                    window.setTimeout(function() { zir.removeNode(true); } , 250 );
                    }
                else   //if (zir.parentNode) zir.parentNode.removeChild(zir,true);

                itemObject.parentObject.htmlNode.childNodes[0].removeChild(itemObject.tr);

                //itemObject.tr.removeNode(true);
            if ((!beforeNode)||(targetObject!=itemObject.parentObject)){
               for (var i=0; i<z.childsCount; i++){
                  if (z.childNodes[i].id==itemObject.id) {
                  z.childNodes[i]=0;
                  break;            }}}
               else z.childNodes[z.childsCount-1]=0;

            oldTree._compressChildList(z.childsCount,z.childNodes);
            z.childsCount--;
            }


      if ((!framesMove)&&(!oldTree.dpcpy)) {
       itemObject.tr=tr;
      tr.nodem=itemObject;
      itemObject.parentObject=targetObject;

      if (oldTree!=targetObject.treeNod) {   if(itemObject.treeNod._registerBranch(itemObject,oldTree)) return;      this._clearStyles(itemObject);  this._redrawFrom(this,itemObject.parentObject);   };

      this._correctPlus(targetObject);
      this._correctLine(targetObject);

      this._correctLine(itemObject);
      this._correctPlus(itemObject);

         //fix target siblings
      if (beforeNode)
      {

         this._correctPlus(beforeNode);
         //this._correctLine(beforeNode);
      }
      else 
      if (targetObject.childsCount>=2)
      {

         this._correctPlus(Nodes[targetObject.childsCount-2]);
         this._correctLine(Nodes[targetObject.childsCount-2]);
      }
      
      this._correctPlus(Nodes[targetObject.childsCount-1]);
      //this._correctLine(Nodes[targetObject.childsCount-1]);


      if (this.tscheck) this._correctCheckStates(targetObject);
      if (oldTree.tscheck) oldTree._correctCheckStates(z);

      }

      //fix source parent

      if (c>1) { oldTree._correctPlus(z.childNodes[c-2]);
               oldTree._correctLine(z.childNodes[c-2]);
               }


//      if (z.childsCount==0)
          oldTree._correctPlus(z);
            oldTree._correctLine(z);


      if (this.dropFunc) this.dropFunc(itemObject.id,targetObject