dhtmlxtree.js

马士兵老师的代码

 if (zb)if (z)z+=this.dlmtr+zb;else z=zb;}else
 if (!z)z=node.childNodes[i].id;else z+=this.dlmtr+node.childNodes[i].id;};return z;};dhtmlXTreeObject.prototype._getAllFatItems =function(node)
 {var z="";for (var i=0;i<node.childsCount;i++){if ((node.childNodes[i].unParsed)||(node.childNodes[i].childsCount>0))
 {if (!z)z=node.childNodes[i].id;else z+=this.dlmtr+node.childNodes[i].id;if (node.childNodes[i].unParsed)var zb=this._getAllFatItemsXML(node.childNodes[i].unParsed,1);else
 var zb=this._getAllFatItems(node.childNodes[i])

 if (zb)z+=this.dlmtr+zb;};};return z;};dhtmlXTreeObject.prototype._getAllSubItems =function(itemId,z,node)
 {if (node)temp=node;else {var temp=this._globalIdStorageFind(itemId);};if (!temp)return 0;z="";for (var i=0;i<temp.childsCount;i++){if (!z)z=temp.childNodes[i].id;else z+=this.dlmtr+temp.childNodes[i].id;var zb=this._getAllSubItems(0,z,temp.childNodes[i])

 if (zb)z+=this.dlmtr+zb;};return z;};dhtmlXTreeObject.prototype.selectItem=function(itemId,mode,preserve){mode=convertStringToBoolean(mode);var temp=this._globalIdStorageFind(itemId);if ((!temp)||(!temp.parentObject)) return 0;if (this.XMLloadingWarning)temp.parentObject.openMe=1;else
 this._openItem(temp.parentObject);var ze=null;if (preserve){ze=new Object;ze.ctrlKey=true;if (temp.i_sel)ze.skipUnSel=true;};if (mode)this.onRowSelect(ze,temp.htmlNode.childNodes[0].childNodes[0].childNodes[3],false);else
 this.onRowSelect(ze,temp.htmlNode.childNodes[0].childNodes[0].childNodes[3],true);};dhtmlXTreeObject.prototype.getSelectedItemText=function()
 {var str=new Array();for (var i=0;i<this._selected.length;i++)str[i]=this._selected[i].span.innerHTML;return (str.join(this.dlmtr));};dhtmlXTreeObject.prototype._compressChildList=function(Count,Nodes)
 {Count--;for (var i=0;i<Count;i++){if (Nodes[i]==0){Nodes[i]=Nodes[i+1];Nodes[i+1]=0;};};};dhtmlXTreeObject.prototype._deleteNode=function(itemId,htmlObject,skip){if ((!htmlObject)||(!htmlObject.parentObject)) return 0;var tempos=0;var tempos2=0;if (htmlObject.tr.nextSibling)tempos=htmlObject.tr.nextSibling.nodem;if (htmlObject.tr.previousSibling)tempos2=htmlObject.tr.previousSibling.nodem;var sN=htmlObject.parentObject;var Count=sN.childsCount;var Nodes=sN.childNodes;for (var i=0;i<Count;i++){if (Nodes[i].id==itemId){if (!skip)sN.htmlNode.childNodes[0].removeChild(Nodes[i].tr);Nodes[i]=0;break;};};this._compressChildList(Count,Nodes);if (!skip){sN.childsCount--;};if (tempos){this._correctPlus(tempos);this._correctLine(tempos);};if (tempos2){this._correctPlus(tempos2);this._correctLine(tempos2);};if (this.tscheck)this._correctCheckStates(sN);if (!skip){this._globalIdStorageRecSub(htmlObject);};};dhtmlXTreeObject.prototype.setCheck=function(itemId,state){var sNode=this._globalIdStorageFind(itemId,0,1);if (!sNode)return;if (state==="unsure")this._setCheck(sNode,state);else
 {state=convertStringToBoolean(state);if ((this.tscheck)&&(this.smcheck)) this._setSubChecked(state,sNode);else this._setCheck(sNode,state);};if (this.smcheck)this._correctCheckStates(sNode.parentObject);};dhtmlXTreeObject.prototype._setCheck=function(sNode,state){if (((sNode.parentObject._r_logic)||(this._frbtr))&&(state))
 if (this._frbtrs){if (this._frbtrL)this._setCheck(this._frbtrL,0);this._frbtrL=sNode;}else
 for (var i=0;i<sNode.parentObject.childsCount;i++)this._setCheck(sNode.parentObject.childNodes[i],0);var z=sNode.htmlNode.childNodes[0].childNodes[0].childNodes[1].childNodes[0];if (state=="unsure")sNode.checkstate=2;else if (state)sNode.checkstate=1;else sNode.checkstate=0;if (sNode.dscheck)sNode.checkstate=sNode.dscheck;this._setSrc(z,this.imPath+((sNode.parentObject._r_logic||this._frbtr)?this.radioArray:this.checkArray)[sNode.checkstate]);};dhtmlXTreeObject.prototype.setSubChecked=function(itemId,state){var sNode=this._globalIdStorageFind(itemId);this._setSubChecked(state,sNode);this._correctCheckStates(sNode.parentObject);};dhtmlXTreeObject.prototype._setSubChecked=function(state,sNode){state=convertStringToBoolean(state);if (!sNode)return;if (((sNode.parentObject._r_logic)||(this._frbtr))&&(state))
 for (var i=0;i<sNode.parentObject.childsCount;i++)this._setSubChecked(0,sNode.parentObject.childNodes[i]);if (sNode._r_logic||this._frbtr)this._setSubChecked(state,sNode.childNodes[0]);else
 for (var i=0;i<sNode.childsCount;i++){this._setSubChecked(state,sNode.childNodes[i]);};var z=sNode.htmlNode.childNodes[0].childNodes[0].childNodes[1].childNodes[0];if (state)sNode.checkstate=1;else sNode.checkstate=0;if (sNode.dscheck)sNode.checkstate=sNode.dscheck;this._setSrc(z,this.imPath+((sNode.parentObject._r_logic||this._frbtr)?this.radioArray:this.checkArray)[sNode.checkstate]);};dhtmlXTreeObject.prototype.isItemChecked=function(itemId){var sNode=this._globalIdStorageFind(itemId);if (!sNode)return;return sNode.checkstate;};dhtmlXTreeObject.prototype.deleteChildItems=function(itemId)
 {var sNode=this._globalIdStorageFind(itemId);if (!sNode)return;var j=sNode.childsCount;for (var i=0;i<j;i++){this._deleteNode(sNode.childNodes[0].id,sNode.childNodes[0]);};};dhtmlXTreeObject.prototype.deleteItem=function(itemId,selectParent){if ((!this._onrdlh)||(this._onrdlh(itemId))){var z=this._deleteItem(itemId,selectParent);};this.allTree.childNodes[0].border = "1";this.allTree.childNodes[0].border = "0";};dhtmlXTreeObject.prototype._deleteItem=function(itemId,selectParent,skip){selectParent=convertStringToBoolean(selectParent);var sNode=this._globalIdStorageFind(itemId);if (!sNode)return;var pid=this.getParentId(itemId);var zTemp=sNode.parentObject;this._deleteNode(itemId,sNode,skip);this._correctPlus(zTemp);this._correctLine(zTemp);if ((selectParent)&&(pid!=this.rootId)) this.selectItem(pid,1);return zTemp;};dhtmlXTreeObject.prototype._globalIdStorageRecSub=function(itemObject){for(var i=0;i<itemObject.childsCount;i++){this._globalIdStorageRecSub(itemObject.childNodes[i]);this._globalIdStorageSub(itemObject.childNodes[i].id);};this._globalIdStorageSub(itemObject.id);var z=itemObject;z.span=null;z.tr.nodem=null;z.tr=null;z.htmlNode=null;};dhtmlXTreeObject.prototype.insertNewNext=function(itemId,newItemId,itemText,itemActionHandler,image1,image2,image3,optionStr,childs){var sNode=this._globalIdStorageFind(itemId);if ((!sNode)||(!sNode.parentObject)) return (0);var nodez=this._attachChildNode(0,newItemId,itemText,itemActionHandler,image1,image2,image3,optionStr,childs,sNode);return nodez;};dhtmlXTreeObject.prototype.getItemIdByIndex=function(itemId,index){var z=this._globalIdStorageFind(itemId);if ((!z)||(index>z.childsCount)) return null;return z.childNodes[index].id;};dhtmlXTreeObject.prototype.getChildItemIdByIndex=function(itemId,index){var z=this._globalIdStorageFind(itemId);if ((!z)||(index>=z.childsCount)) return null;return z.childNodes[index].id;};dhtmlXTreeObject.prototype.setDragHandler=function(func){this.attachEvent("onDrag",func);};dhtmlXTreeObject.prototype._clearMove=function(){if (this._lastMark){this._lastMark.className=this._lastMark.className.replace(/dragAndDropRow/g,"");this._lastMark=null;};this.allTree.className=this.allTree.className.replace(" selectionBox","");};dhtmlXTreeObject.prototype.enableDragAndDrop=function(mode,rmode){if (mode=="temporary_disabled"){this.dADTempOff=false;mode=true;}else
 this.dADTempOff=true;this.dragAndDropOff=convertStringToBoolean(mode);if (this.dragAndDropOff)this.dragger.addDragLanding(this.allTree,this);if (arguments.length>1)this._ddronr=(!convertStringToBoolean(rmode));};dhtmlXTreeObject.prototype._setMove=function(htmlNode,x,y){if (htmlNode.parentObject.span){var a1=getAbsoluteTop(htmlNode);var a2=getAbsoluteTop(this.allTree);this.dadmodec=this.dadmode;this.dadmodefix=0;var zN=htmlNode.parentObject.span;zN.className+=" dragAndDropRow";this._lastMark=zN;};};dhtmlXTreeObject.prototype._autoScroll=function(node,a1,a2){if (this.autoScroll){if (node){a1=getAbsoluteTop(node);a2=getAbsoluteTop(this.allTree);};if ( (a1-a2-parseInt(this.allTree.scrollTop))>(parseInt(this.allTree.offsetHeight)-50) )
 this.allTree.scrollTop=parseInt(this.allTree.scrollTop)+20;if ( (a1-a2)<(parseInt(this.allTree.scrollTop)+30) )
 this.allTree.scrollTop=parseInt(this.allTree.scrollTop)-20;};};dhtmlXTreeObject.prototype._createDragNode=function(htmlObject,e){if (!this.dADTempOff)return null;var obj=htmlObject.parentObject;if (!obj.i_sel)this._selectItem(obj,e);var dragSpan=document.createElement('div');var text=new Array();if (this._itim_dg)for (var i=0;i<this._selected.length;i++)text[i]="<table cellspacing='0' cellpadding='0'><tr><td><img width='18px' height='18px' src='"+this._getSrc(this._selected[i].span.parentNode.previousSibling.childNodes[0])+"'></td><td>"+this._selected[i].span.innerHTML+"</td></tr><table>";else
 text=this.getSelectedItemText().split(this.dlmtr);dragSpan.innerHTML=text.join("");dragSpan.style.position="absolute";dragSpan.className="dragSpanDiv";this._dragged=(new Array()).concat(this._selected);return dragSpan;};dhtmlXTreeObject.prototype._focusNode=function(item){var z=getAbsoluteTop(item.htmlNode)-getAbsoluteTop(this.allTree);if ((z>(this.allTree.scrollTop+this.allTree.offsetHeight-30))||(z<this.allTree.scrollTop))
 this.allTree.scrollTop=z;};dhtmlXTreeObject.prototype._preventNsDrag=function(e){if ((e)&&(e.preventDefault)) {e.preventDefault();return false;};return false;};dhtmlXTreeObject.prototype._drag=function(sourceHtmlObject,dhtmlObject,targetHtmlObject){if (this._autoOpenTimer)clearTimeout(this._autoOpenTimer);if (!targetHtmlObject.parentObject){targetHtmlObject=this.htmlNode.htmlNode.childNodes[0].childNodes[0].childNodes[1].childNodes[0];this.dadmodec=0;};this._clearMove();var z=sourceHtmlObject.parentObject.treeNod;if ((z)&&(z._clearMove)) z._clearMove("");if ((!this.dragMove)||(this.dragMove()))
 {if ((!z)||(!z._clearMove)||(!z._dragged)) var col=new Array(sourceHtmlObject.parentObject);else var col=z._dragged;var trg=targetHtmlObject.parentObject;for (var i=0;i<col.length;i++){var newID=this._moveNode(col[i],trg);if ((this.dadmodec)&&(newID!==false)) trg=this._globalIdStorageFind(newID,true,true);if ((newID)&&(!this._sADnD)) this.selectItem(newID,0,1);};};if (z)z._dragged=new Array();};dhtmlXTreeObject.prototype._dragIn=function(htmlObject,shtmlObject,x,y){if (!this.dADTempOff)return 0;var fobj=shtmlObject.parentObject;var tobj=htmlObject.parentObject;if ((!tobj)&&(this._ddronr)) return;if (!this.callEvent("onDragIn",[fobj.id,tobj?tobj.id:null,fobj.treeNod,this]))
 return 0;if (!tobj)this.allTree.className+=" selectionBox";else
 {if (fobj.childNodes==null){this._setMove(htmlObject,x,y);return htmlObject;};var stree=fobj.treeNod;for (var i=0;i<stree._dragged.length;i++)if (this._checkPNodes(tobj,stree._dragged[i])){this._autoScroll(htmlObject);return 0;};this._setMove(htmlObject,x,y);if (this._getOpenState(tobj)<=0){this._autoOpenId=tobj.id;this._autoOpenTimer=window.setTimeout(new callerFunction(this._autoOpenItem,this),1000);};};return htmlObject;};dhtmlXTreeObject.prototype._autoOpenItem=function(e,treeObject){treeObject.openItem(treeObject._autoOpenId);};dhtmlXTreeObject.prototype._dragOut=function(htmlObject){this._clearMove();if (this._autoOpenTimer)clearTimeout(this._autoOpenTimer);};dhtmlXTreeObject.prototype.moveItem=function(itemId,mode,targetId,targetTree)
{var sNode=this._globalIdStorageFind(itemId);if (!sNode)return (0);switch(mode){case "right": alert('Not supported yet');break;case "item_child":
 var tNode=(targetTree||this)._globalIdStorageFind(targetId);if (!tNode)return (0);(targetTree||this)._moveNodeTo(sNode,tNode,0);break;case "item_sibling":
 var tNode=(targetTree||this)._globalIdStorageFind(targetId);if (!tNode)return (0);(targetTree||this)._moveNodeTo(sNode,tNode.parentObject,tNode);break;case "item_sibling_next":
 var tNode=(targetTree||this)._globalIdStorageFind(targetId);if (!tNode)return (0);if ((tNode.tr)&&(tNode.tr.nextSibling)&&(tNode.tr.nextSibling.nodem))