主程序mxml：

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         10          28                          29                              30                              31                               32                          33                     ; 34                 if (!rightClickRegisted){   35                     TreeRightClickManager.regist(); 36                     rightClickRegisted = true;   37                 }  38                 //加载右击事件 39                 tree.addEventListener(TreeRightClickManager.RIGHT_CLICK,treeRightClickHandler); 40             } 41              42             /** 43              *树右击事件  44              **/ 45             private function treeRightClickHandler(event:ContextMenuEvent):void 46             { 47                 tree_onRightClicked(event);  48                 tree_removeMenu(); 49                 tree_InitMenu(); 50             } 51              52              53             private function tree_onRightClicked(e:ContextMenuEvent):void  54             {   55                 var rightClickItemRender:IListItemRenderer;     56                 var rightClickIndex:int;   57                 if(e.mouseTarget is IListItemRenderer) 58                 {           59                     rightClickItemRender = IListItemRenderer(e.mouseTarget);         } 60                      61                 else if(e.mouseTarget.parent is IListItemRenderer) 62                 {           63                     rightClickItemRender = IListItemRenderer(e.mouseTarget.parent);     64                 }     65                 if(rightClickItemRender != null) 66                 {     67                     rightClickIndex = tree.itemRendererToIndex(rightClickItemRender);     68                     if(tree.selectedIndex != rightClickIndex) 69                     {     70                         tree.selectedIndex = rightClickIndex;    71                     }    72                 }  73             } 74              75             /** 76              * 删除右键菜单 77              **/ 78             private function tree_removeMenu():void  79             {   80                 if(menu!=null)   81                 {   82                     menu.hide(); 83                     menu.removeEventListener(MenuEvent.ITEM_CLICK,tree_MenuItemSelected);   84                     menu=null;   85                 }   86             } 87              88             /** 89              * 生成右键菜单 90              **/ 91             private var selectedId:String=""; 92             private var selectedLabel:String=""; 93             private function tree_InitMenu():void 94             { 95                 var currentItem:XML=tree.selectedItem as XML; 96                 selectedId=currentItem.@id; 97                 selectedLabel=currentItem.@label; 98                 var level:String=currentItem.@level; 99                 100                 menu = Menu.createMenu(this, tree_createMenuItems(level), false);101                 menu.iconField="itemIcon";//右键菜单的图标102                 menu.labelField="label";  //右键菜单的名称 103                 menu.variableRowHeight = true;     104                 menu.addEventListener(MenuEvent.ITEM_CLICK, tree_MenuItemSelected);  //右键菜单的事件105                 var point:Point = new Point(mouseX,mouseY);  106                 point = localToGlobal(point);   107                 menu.show(point.x,point.y);  //显示右键菜单108             }109             110             111             /**112              * 根据节点不同，生成不同的菜单113              **/114             private function tree_createMenuItems(level:String):Array  115                 116             {  117                 var menuItems:Array = new Array();118                 var menuXs:Object= new Object;  119                 menuXs.label = '刷新';120                 //menuXs.itemIcon = this.menu_TZ_add;  //给菜单加图标121                 menuItems.push(menuXs);122                 var menuExpand:Object=new Object();123                 menuExpand.label="展开当前节点";124                 menuItems.push(menuExpand);125                 var menuClose:Object=new Object();126                 menuClose.label="关闭当前节点";127                 menuItems.push(menuClose);128                 var menuExpandAll:Object=new Object();129                 menuExpandAll.label="展开所有节点";130                 menuItems.push(menuExpandAll);131                 var menuCloseAll:Object=new Object();132                 menuCloseAll.label="关闭所有节点";133                 menuItems.push(menuCloseAll);134                 switch(level){135                     case "0":136                         var menuAddNj:Object = new Object;  137                         menuAddNj.label = "添加明星";138                         menuItems.push(menuAddNj);139                         var menuDelNj:Object=new Object();140                         menuDelNj.label="删除明星";141                         menuItems.push(menuDelNj);142                         break;143                     case "1":144                         var menuAddBj:Object=new Object();145                         menuAddBj.label="添加年份";146                         menuItems.push(menuAddBj);147                         var menuDelBj:Object=new Object();148                         menuDelBj.label="删除年份";149                         menuItems.push(menuDelBj);150                         var menuAddStu:Object=new Object();151                         menuAddStu.label="添加影片";152                         menuItems.push(menuAddStu);153                         break;154                     case "2":155                         var menuEditStu:Object=new Object();156                         menuEditStu.label="修改影片";157                         menuItems.push(menuEditStu);158                         var menuDelStu:Object=new Object();159                         menuDelStu.label="删除影片";160                         menuItems.push(menuDelStu);161                         break;162                 }            163                 164                 return menuItems;165                 166             }167             /**168              * 点击菜单，相应方法 169              **/170             private function tree_MenuItemSelected(event:MenuEvent):void171                 172             {173                 var menuItem:Object = event.menu.selectedItem as Object;174                 switch(menuItem.label)175                 {176                     case "展开当前节点":177                         nodeExpand();178                         break;179                     case "关闭当前节点":180                         nodeClose();181                         break;182                     case "展开所有节点":183                         nodeExpandAll();184                         break;185                     case "关闭所有节点":186                         nodeCloseAll();187                         break;188                     case "删除影片":189                         delStuNode();190                         break;191                     case "添加影片":192                         addStuNode();193                         break;194                     195                 }196             }197             198             199             private function treeChanged(event:Event):void{200                 var selectedTreeNode:XML;201                 selectedTreeNode=Tree(event.target).selectedItem as XML;202                 //Alert.show("您点击了："+selectedTreeNode.@label,"提示");203                 204             }205 206             /**207              * 展开当前节点208              **/209             private function nodeExpand():void{  210                 tree.expandItem(tree.selectedItem,true);  211             }212             213             /**214              * 关闭当前节点215              **/216             private function nodeClose():void{  217                 tree.expandItem(tree.selectedItem,false);218                 219             } 220             221             /**222              * 展开所有节点223              **/224             private function nodeExpandAll():void{225                 for each(var item:XML in tree.dataProvider) {226                     tree.expandChildrenOf(item,true); 227                 }228             }229             230             /**231              * 关闭所有节点232              **/233             private function nodeCloseAll():void{234                 //方法1：studentTree.openItems = [];235                 //方法2：236                 for each(var item:XML in tree.dataProvider) {237                     tree.expandChildrenOf(item,false);238                 }239             }240             241             /**242              * 删除节点243              **/244             private function delStuNode():void{245                 Alert.show("删除影片 ID="+selectedId+"  名称="+selectedLabel,"提示",4,null,ok);246                 function ok():void247                 {248                     var delStuItemPar:Object=new Object();249                     delStuItemPar=tree.selectedItem.parent();250                     var delStuInx:int=tree.selectedItem.childIndex();251                     tree.dataDescriptor.removeChildAt(delStuItemPar,tree.selectedItem,delStuInx,tree.dataProvider);   252                 }253                 254             }255             256             /**257              * 添加影片258              **/259             private function addStuNode():void{260                 var node:XML=;261                 (tree.selectedItem as XML).appendChild(node); 262             }263             264         ]]>265     
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com.render.TreeRightClickManager类：

 

1 package com.render  2 {  3     import flash.display.InteractiveObject;  4     import flash.events.ContextMenuEvent;  5     import flash.events.MouseEvent;  6     import flash.external.ExternalInterface;  7       8     import mx.core.Application;  9     import mx.core.FlexGlobals; 10      11     public class TreeRightClickManager 12     { 13         static private var rightClickTarget:*; 14         static public const RIGHT_CLICK:String = "rightClick"; 15         static private const javascript:XML =  16             ; 85          86         public function TreeRightClickManager() 87         { 88             return; 89         } 90          91         static public function regist() : Boolean 92         { 93             if (ExternalInterface.available) 94             { 95                 ExternalInterface.call(javascript, ExternalInterface.objectID); 96                 ExternalInterface.addCallback("rightClick", dispatchRightClickEvent); 97                 //Application.application.addEventListener(MouseEvent.MOUSE_OVER,mouseOverHandler); 98                 FlexGlobals.topLevelApplication.addEventListener(MouseEvent.MOUSE_OVER,mouseOverHandler); 99                 100             }101             return true;102         }103         104         static private function mouseOverHandler(event:MouseEvent) : void105         {106             rightClickTarget = InteractiveObject(event.target);  107             return;  108         }109         110         static private function dispatchRightClickEvent() : void111         {112             var event:ContextMenuEvent;113             if(rightClickTarget !=null)  114             {  115                 event =new ContextMenuEvent(RIGHT_CLICK,true,false, rightClickTarget as InteractiveObject, rightClickTarget as InteractiveObject);  116                 rightClickTarget.dispatchEvent(event);  117             }118             return;119         }120         121     }122 }

 

 

 

注：必须在index.template.html设置params.wmode = "opaque"以屏蔽flash右键