# WebTree下拉树

xml对象

<xml id="TreeItem1_Tree_xml"><!--[CDATA[<TreeItem Field="TreeItem1">{ "Root": 

       { "children": [ 

    {"id": "063b70d9-ed98-4896-a9a1-e2c9e695e594", "leaf": "true", "text": "物料19" }, 

    {"id": "0b92be0d-ffd8-4e13-8fc1-a99371198fa6", "leaf": "true", "text": "物料2" }, 

    {"call": "1", "child": "1",  "children": [ {"call": "1", "child": "1",  "children": [ {"id": "1FF090D0-C158-890C-6F60-6148C5521B31", "leaf": "true", "text": "物料18 新建子项1 新建子项1" } ], "id": "684C613B-2E6C-0647-7DA8-9DAD3C8F5317", "isExpand": "1", "open": "1", "text": "物料18 新建子项1", "XMLload": "1" } ], "id": "13534f49-aedb-4e5f-b667-7736f4f94468", "isExpand": "1", "open": "1", "text": "物料18", "XMLload": "1" }, 

    {"id": "173f4892-0a27-4935-8ce0-1dc6f31f4a16", "leaf": "true", "text": "物料1" },

    {"id": "21d25539-3907-45ce-99ae-0ac54eece34f", "leaf": "true", "text": "物料6" }, 

    {"id": "2e24bb5e-2eb6-4240-ab7b-261c22f00bb5", "leaf": "true", "text": "物料17" }, 

    {"id": "2e4f60ea-255c-4378-819a-5cf4918f795b", "leaf": "true", "text": "物料8" }, 

    {"id": "3279796b-052b-47dd-8bc1-31e3a8f0ebc1", "leaf": "true", "text": "物料4" } ], "id": "0", "showRoot": "false", "text": "根" }}</TreeItem>]]--></xml

init_tree_layout("TreeItem1_Tree", "TreeItem1_Tree_xml");  //TreeItem1_Tree为对应的树容器ID

<script language="javascript" type="text/javascript">

//==树操作相关==

//UI/Tree/WebTree.js  WMTree

//取得树对象

var treePageObj=wm.c.getTree();

//刷新

treePageObj.refresh();

//刷新单个列表树

var options = { field: "", type: "json", data: null };

treePageObj.refreshItem(options);

 

//列表树对象

var field="";

var treeObj = treePageObj.getNamedItem(field);

//相关方法(WMTree也就是WebTree.js)

//生成

treeObj.render();

//重新生成

treeObj.refresh();

//展开所有

treeObj.expandAll();

//折叠所有

treeObj.collapseAll();

//勾选所有

treeObj.setCheckAll();

//取消勾选所有

treeObj.setUnCheckAll();

//折叠所有

//level展开级别 state:false 收缩,默认展开

treeObj.expandLevel(level, state);

//折叠所有

treeObj.collapseAll();

 

 

//取得勾选的Id集合数组

var name = "";

var idArr = treeObj.getChecked(name); //name为空时取id

 

//取得子节点

var itemId="";

var node = treeObj.getNodeById(itemId);

//展开到当前节点

var id=node.id;

var attrName = "myName";

//取得节点的属性 如id,text等

var otherAttr=node.attr(AttrName);

//展开到当前节点

treeObj.setFocusNode(node);

var attributes = { id: "", text: "" };

var parentId = "";

//添加子节点

node.appendChild(attributes,parentId);

 

//只为js智能提示 var treeItem = new WMTree();

//取得选中节点

var focusNode = treeObj.focusNode;

var node = focusNode;

//取得指定节点的子节点及子子节点

var subNodes = treeObj.getAllSubNodes(node)

//只为js智能提示 var node = new WMTreeNode(); 

//取得指定节点的子节点

var childNodes = node.childNodes;

//取得子节点数

var childCount = childNodes.length;

//判断是否根节点

var isRoot = node.isRoot()

//判断是否是叶子节点

var isRoot = node.isLeaf()

//包含子节点

var allChild = true;

//删除指定节点

node.removeChild(childNodes[0], allChild);

//包含节点缓存

var allCache = true;

//删除指定节点

node.removeNode(allCache);

//删除节点

node.removeChild(childNodes[0]);

 

//勾选状态 0:不勾选 1:勾选 2:半勾选 3:勾选并勾选子级

var checkState = 1;

//删除节点

node.setCheck(checkState);

//选中节点

node.select();

//不选中节点

node.unselect();

//收缩

node.unselect();

//展开

node.expand();

var title = "tooltip";

//设置tooltip

node.setTitle(title);

////事件

//配置Events/Event/@Name treeItem.addListener("onRowDblClicked",funName);

//beforeclick

//click

//beforedblclick

//dblclick

//beforechecked

//checked

 

</script>