dhtmlxTree示例

http://dhtmlx.com 包含目录树、菜单、工具条等很多js控件，功能十分强大。
现将dhtmlxTree 使用样例记录如下(包括目录树、上下文菜单)：
1、所需js文件

dhtmlxcommon.js
dhtmlxtree.js
dhtmlxtree_json.js

//菜单控件所需的js
dhtmlxprotobar.js
dhtmlxmenubar.js
dhtmlxmenubar.js

2、sample.html代码：

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script src="./dhtmlxcommon.js"></script>
<script src="./dhtmlxtree.js"></script>
<script language="JavaScript" src="./extend/dhtmlxtree_json.js"></script>
<script language="JavaScript" src="./dhtmlxprotobar.js"></script>
<script language="JavaScript" src="./dhtmlxmenubar.js"></script>
<script language="JavaScript" src="./dhtmlxmenubar_cp.js"></script>
<link rel="STYLESHEET" type="text/css" href="./dhtmlxtree.css">
<link rel="STYLESHEET" type="text/css" href="./context.css">
<link rel="STYLESHEET" type="text/css" href="./dhtmlxmenu.css">
</head>
<body>
<div id="treeBox" style="width:200;height:200"></div>
<script>
  //init menu
  aMenu=new dhtmlXContextMenuObject('120',0,"images/");
  aMenu.menu.loadXML("./_context.xml");
  aMenu.setContextMenuHandler(onMenuClick);

  tree=new dhtmlXTreeObject('treeBox',"100%","100%",0);
  tree.setImagePath("images/");
  tree.enableCheckBoxes(true);
  tree.enableDragAndDrop(true);
  tree.enableContextMenu(aMenu); //link context menu to tree
  tree.loadCSV("./data.txt");//for loading from file

  function onMenuClick(id,s){ alert("Menu item "+id+" was clicked"+s); }
</script>
</body>
</html>

3、数据文件data.txt

1,0,node 1
2,1,node 1.1
3,2,node 1.1.1
4,0,node 2
bd2f46a212ffae3b011305afd5eb0108,4,node 2.1
6,1,node 1.2

4、菜单文件_context.xml

<?xml version='1.0' ?>
<menu absolutePosition="auto" mode="popup" maxItems="8"  globalCss="contextMenu" globalSecondCss="contextMenu" globalTextCss="contextMenuItem">
        <MenuItem name="Red" src="./images/red.gif"  id="edit_Red"/>
        <MenuItem name="Green" src="./images/green.gif"  id="edit_Green"/>
        <MenuItem name="Blue" src="./images/blue.gif"  id="edit_Blue"/>
    <MenuItem name="Other..." src="" id="outher" width="120px" panelWidth="120">
        <MenuItem name="Yellow" src="./images/yellow.gif"  id="edit_Yellow"/>
        <MenuItem name="White" src="./images/white.gif"  id="edit_White"/>
    </MenuItem>
</menu>
注：dhtmlxTree 标准版不支持菜单功能，所以需要对dhtmlxtree.js做些修改，在脚本的最后面加上如下方法：

dhtmlXTreeObject.prototype.enableContextMenu=function(menu)
{
if(menu) this.cMenu=menu
};

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