treeLabelEditor=function(tree,config){config=config||{};var field=config.events?config:new Ext.form.TextField(config);Ext.tree.TreeEditor.superclass.constructor.call(this,field);this.tree=tree;tree.on('beforeclick',this.beforeNodeClick,this);tree.getTreeEl().on('mousedown',this.hide,this);this.on('complete',this.updateNode,this);this.on('beforestartedit',this.fitToTree,this);this.on('startedit',this.bindScroll,this,{delay:10});this.on('specialkey',this.onSpecialKey,this);};Ext.extend(treeLabelEditor,Ext.Editor,{alignment:"l-l",autoSize:false,hideEl:false,cls:"x-small-editor x-tree-editor",shim:false,shadow:"frame",maxWidth:1024,editDelay:350,fitToTree:function(ed,el){var td=this.tree.getTreeEl().dom,nd=el.dom;if(td.scrollLeft>nd.offsetLeft){td.scrollLeft=nd.offsetLeft;}
var w=Math.min(this.maxWidth,(td.clientWidth>20?td.clientWidth:td.offsetWidth)-Math.max(0,nd.offsetLeft-td.scrollLeft)-5);this.setSize(w,'');},triggerEdit:function(node){this.completeEdit();this.editNode=node;this.startEdit(node.ui.textNode,node.attributes.nodeInfo.text);},bindScroll:function(){this.tree.getTreeEl().on('scroll',this.cancelEdit,this);},beforeNodeClick:function(node,e){var sinceLast=(this.lastClick?this.lastClick.getElapsed():0);this.lastClick=new Date();if(sinceLast>this.editDelay&&this.tree.getSelectionModel().isSelected(node)){e.stopEvent();this.triggerEdit(node);return false;}},updateNode:function(ed,value){this.tree.getTreeEl().un('scroll',this.cancelEdit,this);this.editNode.setText(value);},onHide:function(){Ext.tree.TreeEditor.superclass.onHide.call(this);if(this.editNode){this.editNode.ui.focus();}},onSpecialKey:function(field,e){var k=e.getKey();if(k==e.ESC){e.stopEvent();this.cancelEdit();}else if(k==e.ENTER&&!e.hasModifier()){e.stopEvent();this.completeEdit();}}});