WebMvc/Scripts/roadui.tree.js

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//树形控件
;RoadUI.Tree = function (options)
{
    var defaults = {
        srcElement: null,
        id: "",
        showline: true,
        showico: true,
        showroot: true, //是否显示根节点
        animation: 0, //显示速度
        path: "", //json路径
        refreshpath: "", //刷新加载路径
        focusnode: null, //当前焦点节点
        onclick: null,
        ondblclick: null
    };
    this.opts = $.extend(defaults, options);
    this.$srcObj = null;
    if (this.opts.id.isNullOrEmpty() && this.opts.srcElement == null)
    {
        throw "要初始化为Tree的对象或对象ID为空!"; return false;
    }
    else
    {
        this.$srcObj = this.opts.srcElement != null ? $(this.opts.srcElement) : $("#" + this.opts.id);
        if (this.$srcObj == null || this.$srcObj.size() == 0)
        {
            throw "要初始化为Tree的对象为空!"; return false;
        }
    }
    if (this.opts.path.isNullOrEmpty())
    {
        throw "json路径无效!"; return false;
    }
    if (!this.opts.id)
    {
        this.opts.id = this.$srcObj.attr("id");
    }
    var instance = this;
    var $rootObj = this.$srcObj;

    this.init = function ()
    {
        instance.$srcObj.html('');
        $.ajax({
            type: "get", url: this.opts.path, dataType: "json", async: true, cache: false,
            success: function (json)
            {
                instance.addNodes(json, $rootObj, false, true);
            },
            error: function (obj, msg) { throw "json加载错误!" + msg; }
        });

        //添加右键
        //try
        //{
        //    var contextMenu = new RoadUI.Menu({ srcElement: this.$srcObj });
        //    contextMenu.addItem({ ico: "/images/ico/refresh.gif", title: "刷  新", onclick: function () { instance.refresh(instance.focusnode); } });
        //}
        //catch (e) { }