/*
 * JQuery zTree core v3.5.40
 * http://treejs.cn/
 *
 * Copyright (c) 2010 Hunter.z
 *
 * Licensed same as jquery - MIT License
 * http://www.opensource.org/licenses/mit-license.php
 *
 * email: hunter.z@263.net
 * Date: 2019-01-18
 */
(function ($) {
  var settings = {}, roots = {}, caches = {},
    //default consts of core
    _consts = {
      className: {
        BUTTON: "button",
        LEVEL: "level",
        ICO_LOADING: "ico_loading",
        SWITCH: "switch",
        NAME: 'node_name'
      },
      event: {
        NODECREATED: "ztree_nodeCreated",
        CLICK: "ztree_click",
        EXPAND: "ztree_expand",
        COLLAPSE: "ztree_collapse",
        ASYNC_SUCCESS: "ztree_async_success",
        ASYNC_ERROR: "ztree_async_error",
        REMOVE: "ztree_remove",
        SELECTED: "ztree_selected",
        UNSELECTED: "ztree_unselected"
      },
      id: {
        A: "_a",
        ICON: "_ico",
        SPAN: "_span",
        SWITCH: "_switch",
        UL: "_ul"
      },
      line: {
        ROOT: "root",
        ROOTS: "roots",
        CENTER: "center",
        BOTTOM: "bottom",
        NOLINE: "noline",
        LINE: "line"
      },
      folder: {
        OPEN: "open",
        CLOSE: "close",
        DOCU: "docu"
      },
      node: {
        CURSELECTED: "curSelectedNode"
      }
    },
    //default setting of core
    _setting = {
      treeId: "",
      treeObj: null,
      view: {
        addDiyDom: null,
        autoCancelSelected: true,
        dblClickExpand: true,
        expandSpeed: "fast",
        fontCss: {},
        nameIsHTML: false,
        selectedMulti: true,
        showIcon: true,
        showLine: true,
        showTitle: true,
        txtSelectedEnable: false
      },
      data: {
        key: {
          isParent: "isParent",
          children: "children",
          name: "name",
          title: "",
          url: "url",
          icon: "icon"
        },
        simpleData: {
          enable: false,
          idKey: "id",
          pIdKey: "pId",
          rootPId: null
        },
        keep: {
          parent: false,
          leaf: false
        }
      },
      async: {
        enable: false,
        contentType: "application/x-www-form-urlencoded",
        type: "post",
        dataType: "text",
        headers: {},
        xhrFields: {},
        url: "",
        autoParam: [],
        otherParam: [],
        dataFilter: null
      },
      callback: {
        beforeAsync: null,
        beforeClick: null,
        beforeDblClick: null,
        beforeRightClick: null,
        beforeMouseDown: null,
        beforeMouseUp: null,
        beforeExpand: null,
        beforeCollapse: null,
        beforeRemove: null,

        onAsyncError: null,
        onAsyncSuccess: null,
        onNodeCreated: null,
        onClick: null,
        onDblClick: null,
        onRightClick: null,
        onMouseDown: null,
        onMouseUp: null,
        onExpand: null,
        onCollapse: null,
        onRemove: null
      }
    },
    //default root of core
    //zTree use root to save full data
    _initRoot = function (setting) {
      var r = data.getRoot(setting);
      if (!r) {
        r = {};
        data.setRoot(setting, r);
      }
      data.nodeChildren(setting, r, []);
      r.expandTriggerFlag = false;
      r.curSelectedList = [];
      r.noSelection = true;
      r.createdNodes = [];
      r.zId = 0;
      r._ver = (new Date()).getTime();
    },
    //default cache of core
    _initCache = function (setting) {
      var c = data.getCache(setting);
      if (!c) {
        c = {};
        data.setCache(setting, c);
      }
      c.nodes = [];
      c.doms = [];
    },
    //default bindEvent of core
    _bindEvent = function (setting) {
      var o = setting.treeObj,
        c = consts.event;
      o.bind(c.NODECREATED, function (event, treeId, node) {
        tools.apply(setting.callback.onNodeCreated, [event, treeId, node]);
      });

      o.bind(c.CLICK, function (event, srcEvent, treeId, node, clickFlag) {
        tools.apply(setting.callback.onClick, [srcEvent, treeId, node, clickFlag]);
      });

      o.bind(c.EXPAND, function (event, treeId, node) {
        tools.apply(setting.callback.onExpand, [event, treeId, node]);
      });

      o.bind(c.COLLAPSE, function (event, treeId, node) {
        tools.apply(setting.callback.onCollapse, [event, treeId, node]);
      });

      o.bind(c.ASYNC_SUCCESS, function (event, treeId, node, msg) {
        tools.apply(setting.callback.onAsyncSuccess, [event, treeId, node, msg]);
      });

      o.bind(c.ASYNC_ERROR, function (event, treeId, node, XMLHttpRequest, textStatus, errorThrown) {
        tools.apply(setting.callback.onAsyncError, [event, treeId, node, XMLHttpRequest, textStatus, errorThrown]);
      });

      o.bind(c.REMOVE, function (event, treeId, treeNode) {
        tools.apply(setting.callback.onRemove, [event, treeId, treeNode]);
      });

      o.bind(c.SELECTED, function (event, treeId, node) {
        tools.apply(setting.callback.onSelected, [treeId, node]);
      });
      o.bind(c.UNSELECTED, function (event, treeId, node) {
        tools.apply(setting.callback.onUnSelected, [treeId, node]);
      });
    },
    _unbindEvent = function (setting) {
      var o = setting.treeObj,
        c = consts.event;
      o.unbind(c.NODECREATED)
        .unbind(c.CLICK)
        .unbind(c.EXPAND)
        .unbind(c.COLLAPSE)
        .unbind(c.ASYNC_SUCCESS)
        .unbind(c.ASYNC_ERROR)
        .unbind(c.REMOVE)
        .unbind(c.SELECTED)
        .unbind(c.UNSELECTED);
    },
    //default event proxy of core
    _eventProxy = function (event) {
      var target = event.target,
        setting = data.getSetting(event.data.treeId),
        tId = "", node = null,
        nodeEventType = "", treeEventType = "",
        nodeEventCallback = null, treeEventCallback = null,
        tmp = null;

      if (tools.eqs(event.type, "mousedown")) {
        treeEventType = "mousedown";
      } else if (tools.eqs(event.type, "mouseup")) {
        treeEventType = "mouseup";
      } else if (tools.eqs(event.type, "contextmenu")) {
        treeEventType = "contextmenu";
      } else if (tools.eqs(event.type, "click")) {
        if (tools.eqs(target.tagName, "span") && target.getAttribute("treeNode" + consts.id.SWITCH) !== null) {
          tId = tools.getNodeMainDom(target).id;
          nodeEventType = "switchNode";
        } else {
          tmp = tools.getMDom(setting, target, [{tagName: "a", attrName: "treeNode" + consts.id.A}]);
          if (tmp) {
            tId = tools.getNodeMainDom(tmp).id;
            nodeEventType = "clickNode";
          }
        }
      } else if (tools.eqs(event.type, "dblclick")) {
        treeEventType = "dblclick";
        tmp = tools.getMDom(setting, target, [{tagName: "a", attrName: "treeNode" + consts.id.A}]);
        if (tmp) {
          tId = tools.getNodeMainDom(tmp).id;
          nodeEventType = "switchNode";
        }
      }
      if (treeEventType.length > 0 && tId.length == 0) {
        tmp = tools.getMDom(setting, target, [{tagName: "a", attrName: "treeNode" + consts.id.A}]);
        if (tmp) {
          tId = tools.getNodeMainDom(tmp).id;
        }
      }
      // event to node
      if (tId.length > 0) {
        node = data.getNodeCache(setting, tId);
        switch (nodeEventType) {
          case "switchNode" :
            var isParent = data.nodeIsParent(setting, node);
            if (!isParent) {
              nodeEventType = "";
            } else if (tools.eqs(event.type, "click")
              || (tools.eqs(event.type, "dblclick") && tools.apply(setting.view.dblClickExpand, [setting.treeId, node], setting.view.dblClickExpand))) {
              nodeEventCallback = handler.onSwitchNode;
            } else {
              nodeEventType = "";
            }
            break;
          case "clickNode" :
            nodeEventCallback = handler.onClickNode;
            break;
        }
      }
      // event to zTree
      switch (treeEventType) {
        case "mousedown" :
          treeEventCallback = handler.onZTreeMousedown;
          break;
        case "mouseup" :
          treeEventCallback = handler.onZTreeMouseup;
          break;
        case "dblclick" :
          treeEventCallback = handler.onZTreeDblclick;
          break;
        case "contextmenu" :
          treeEventCallback = handler.onZTreeContextmenu;
          break;
      }
      var proxyResult = {
        stop: false,
        node: node,
        nodeEventType: nodeEventType,
        nodeEventCallback: nodeEventCallback,
        treeEventType: treeEventType,
        treeEventCallback: treeEventCallback
      };
      return proxyResult
    },
    //default init node of core
    _initNode = function (setting, level, n, parentNode, isFirstNode, isLastNode, openFlag) {
      if (!n) return;
      var r = data.getRoot(setting),
        children = data.nodeChildren(setting, n);
      n.level = level;
      n.tId = setting.treeId + "_" + (++r.zId);
      n.parentTId = parentNode ? parentNode.tId : null;
      n.open = (typeof n.open == "string") ? tools.eqs(n.open, "true") : !!n.open;
      var isParent = data.nodeIsParent(setting, n);
      if (tools.isArray(children)) {
        data.nodeIsParent(setting, n, true);
        n.zAsync = true;
      } else {
        isParent = data.nodeIsParent(setting, n, isParent);
        n.open = (isParent && !setting.async.enable) ? n.open : false;
        n.zAsync = !isParent;
      }
      n.isFirstNode = isFirstNode;
      n.isLastNode = isLastNode;
      n.getParentNode = function () {
        return data.getNodeCache(setting, n.parentTId);
      };
      n.getPreNode = function () {
        return data.getPreNode(setting, n);
      };
      n.getNextNode = function () {
        return data.getNextNode(setting, n);
      };
      n.getIndex = function () {
        return data.getNodeIndex(setting, n);
      };
      n.getPath = function () {
        return data.getNodePath(setting, n);
      };
      n.isAjaxing = false;
      data.fixPIdKeyValue(setting, n);
    },
    _init = {
      bind: [_bindEvent],
      unbind: [_unbindEvent],
      caches: [_initCache],
      nodes: [_initNode],
      proxys: [_eventProxy],
      roots: [_initRoot],
      beforeA: [],
      afterA: [],
      innerBeforeA: [],
      innerAfterA: [],
      zTreeTools: []
    },
    //method of operate data
    data = {
      addNodeCache: function (setting, node) {
        data.getCache(setting).nodes[data.getNodeCacheId(node.tId)] = node;
      },
      getNodeCacheId: function (tId) {
        return tId.substring(tId.lastIndexOf("_") + 1);
      },
      addAfterA: function (afterA) {
        _init.afterA.push(afterA);
      },
      addBeforeA: function (beforeA) {
        _init.beforeA.push(beforeA);
      },
      addInnerAfterA: function (innerAfterA) {
        _init.innerAfterA.push(innerAfterA);
      },
      addInnerBeforeA: function (innerBeforeA) {
        _init.innerBeforeA.push(innerBeforeA);
      },
      addInitBind: function (bindEvent) {
        _init.bind.push(bindEvent);
      },
      addInitUnBind: function (unbindEvent) {
        _init.unbind.push(unbindEvent);
      },
      addInitCache: function (initCache) {
        _init.caches.push(initCache);
      },
      addInitNode: function (initNode) {
        _init.nodes.push(initNode);
      },
      addInitProxy: function (initProxy, isFirst) {
        if (!!isFirst) {
          _init.proxys.splice(0, 0, initProxy);
        } else {
          _init.proxys.push(initProxy);
        }
      },
      addInitRoot: function (initRoot) {
        _init.roots.push(initRoot);
      },
      addNodesData: function (setting, parentNode, index, nodes) {
        var children = data.nodeChildren(setting, parentNode), params;
        if (!children) {
          children = data.nodeChildren(setting, parentNode, []);
          index = -1;
        } else if (index >= children.length) {
          index = -1;
        }

        if (children.length > 0 && index === 0) {
          children[0].isFirstNode = false;
          view.setNodeLineIcos(setting, children[0]);
        } else if (children.length > 0 && index < 0) {
          children[children.length - 1].isLastNode = false;
          view.setNodeLineIcos(setting, children[children.length - 1]);
        }
        data.nodeIsParent(setting, parentNode, true);

        if (index < 0) {
          data.nodeChildren(setting, parentNode, children.concat(nodes));
        } else {
          params = [index, 0].concat(nodes);
          children.splice.apply(children, params);
        }
      },
      addSelectedNode: function (setting, node) {
        var root = data.getRoot(setting);
        if (!data.isSelectedNode(setting, node)) {
          root.curSelectedList.push(node);
        }
      },
      addCreatedNode: function (setting, node) {
        if (!!setting.callback.onNodeCreated || !!setting.view.addDiyDom) {
          var root = data.getRoot(setting);
          root.createdNodes.push(node);
        }
      },
      addZTreeTools: function (zTreeTools) {
        _init.zTreeTools.push(zTreeTools);
      },
      exSetting: function (s) {
        $.extend(true, _setting, s);
      },
      fixPIdKeyValue: function (setting, node) {
        if (setting.data.simpleData.enable) {
          node[setting.data.simpleData.pIdKey] = node.parentTId ? node.getParentNode()[setting.data.simpleData.idKey] : setting.data.simpleData.rootPId;
        }
      },
      getAfterA: function (setting, node, array) {
        for (var i = 0, j = _init.afterA.length; i < j; i++) {
          _init.afterA[i].apply(this, arguments);
        }
      },
      getBeforeA: function (setting, node, array) {
        for (var i = 0, j = _init.beforeA.length; i < j; i++) {
          _init.beforeA[i].apply(this, arguments);
        }
      },
      getInnerAfterA: function (setting, node, array) {
        for (var i = 0, j = _init.innerAfterA.length; i < j; i++) {
          _init.innerAfterA[i].apply(this, arguments);
        }
      },
      getInnerBeforeA: function (setting, node, array) {
        for (var i = 0, j = _init.innerBeforeA.length; i < j; i++) {
          _init.innerBeforeA[i].apply(this, arguments);
        }
      },
      getCache: function (setting) {
        return caches[setting.treeId];
      },
      getNodeIndex: function (setting, node) {
        if (!node) return null;
        var p = node.parentTId ? node.getParentNode() : data.getRoot(setting),
          children = data.nodeChildren(setting, p);
        for (var i = 0, l = children.length - 1; i <= l; i++) {
          if (children[i] === node) {
            return i;
          }
        }
        return -1;
      },
      getNextNode: function (setting, node) {
        if (!node) return null;
        var p = node.parentTId ? node.getParentNode() : data.getRoot(setting),
          children = data.nodeChildren(setting, p);
        for (var i = 0, l = children.length - 1; i <= l; i++) {
          if (children[i] === node) {
            return (i == l ? null : children[i + 1]);
          }
        }
        return null;
      },
      getNodeByParam: function (setting, nodes, key, value) {
        if (!nodes || !key) return null;
        for (var i = 0, l = nodes.length; i < l; i++) {
          var node = nodes[i];
          if (node[key] == value) {
            return nodes[i];
          }
          var children = data.nodeChildren(setting, node);
          var tmp = data.getNodeByParam(setting, children, key, value);
          if (tmp) return tmp;
        }
        return null;
      },
      getNodeCache: function (setting, tId) {
        if (!tId) return null;
        var n = caches[setting.treeId].nodes[data.getNodeCacheId(tId)];
        return n ? n : null;
      },
      getNodePath: function (setting, node) {
        if (!node) return null;

        var path;
        if (node.parentTId) {
          path = node.getParentNode().getPath();
        } else {
          path = [];
        }

        if (path) {
          path.push(node);
        }

        return path;
      },
      getNodes: function (setting) {
        return data.nodeChildren(setting, data.getRoot(setting));
      },
      getNodesByParam: function (setting, nodes, key, value) {
        if (!nodes || !key) return [];
        var result = [];
        for (var i = 0, l = nodes.length; i < l; i++) {
          var node = nodes[i];
          if (node[key] == value) {
            result.push(node);
          }
          var children = data.nodeChildren(setting, node);
          result = result.concat(data.getNodesByParam(setting, children, key, value));
        }
        return result;
      },
      getNodesByParamFuzzy: function (setting, nodes, key, value) {
        if (!nodes || !key) return [];
        var result = [];
        value = value.toLowerCase();
        for (var i = 0, l = nodes.length; i < l; i++) {
          var node = nodes[i];
          if (typeof node[key] == "string" && nodes[i][key].toLowerCase().indexOf(value) > -1) {
            result.push(node);
          }
          var children = data.nodeChildren(setting, node);
          result = result.concat(data.getNodesByParamFuzzy(setting, children, key, value));
        }
        return result;
      },
      getNodesByFilter: function (setting, nodes, filter, isSingle, invokeParam) {
        if (!nodes) return (isSingle ? null : []);
        var result = isSingle ? null : [];
        for (var i = 0, l = nodes.length; i < l; i++) {
          var node = nodes[i];
          if (tools.apply(filter, [node, invokeParam], false)) {
            if (isSingle) {
              return node;
            }
            result.push(node);
          }
          var children = data.nodeChildren(setting, node);
          var tmpResult = data.getNodesByFilter(setting, children, filter, isSingle, invokeParam);
          if (isSingle && !!tmpResult) {
            return tmpResult;
          }
          result = isSingle ? tmpResult : result.concat(tmpResult);
        }
        return result;
      },
      getPreNode: function (setting, node) {
        if (!node) return null;
        var p = node.parentTId ? node.getParentNode() : data.getRoot(setting),
          children = data.nodeChildren(setting, p);
        for (var i = 0, l = children.length; i < l; i++) {
          if (children[i] === node) {
            return (i == 0 ? null : children[i - 1]);
          }
        }
        return null;
      },
      getRoot: function (setting) {
        return setting ? roots[setting.treeId] : null;
      },
      getRoots: function () {
        return roots;
      },
      getSetting: function (treeId) {
        return settings[treeId];
      },
      getSettings: function () {
        return settings;
      },
      getZTreeTools: function (treeId) {
        var r = this.getRoot(this.getSetting(treeId));
        return r ? r.treeTools : null;
      },
      initCache: function (setting) {
        for (var i = 0, j = _init.caches.length; i < j; i++) {
          _init.caches[i].apply(this, arguments);
        }
      },
      initNode: function (setting, level, node, parentNode, preNode, nextNode) {
        for (var i = 0, j = _init.nodes.length; i < j; i++) {
          _init.nodes[i].apply(this, arguments);
        }
      },
      initRoot: function (setting) {
        for (var i = 0, j = _init.roots.length; i < j; i++) {
          _init.roots[i].apply(this, arguments);
        }
      },
      isSelectedNode: function (setting, node) {
        var root = data.getRoot(setting);
        for (var i = 0, j = root.curSelectedList.length; i < j; i++) {
          if (node === root.curSelectedList[i]) return true;
        }
        return false;
      },
      nodeChildren: function (setting, node, newChildren) {
        if (!node) {
          return null;
        }
        var key = setting.data.key.children;
        if (typeof newChildren !== 'undefined') {
          node[key] = newChildren;
        }
        return node[key];
      },
      nodeIsParent: function (setting, node, newIsParent) {
        if (!node) {
          return false;
        }
        var key = setting.data.key.isParent;
        if (typeof newIsParent !== 'undefined') {
          if (typeof newIsParent === "string") {
            newIsParent = tools.eqs(newIsParent, "true");
          }
          newIsParent = !!newIsParent;
          node[key] = newIsParent;
        } else if (typeof node[key] == "string"){
          node[key] = tools.eqs(node[key], "true");
        } else {
          node[key] = !!node[key];
        }
        return node[key];
      },
      nodeName: function (setting, node, newName) {
        var key = setting.data.key.name;
        if (typeof newName !== 'undefined') {
          node[key] = newName;
        }
        return "" + node[key];
      },
      nodeTitle: function (setting, node) {
        var t = setting.data.key.title === "" ? setting.data.key.name : setting.data.key.title;
        return "" + node[t];
      },
      removeNodeCache: function (setting, node) {
        var children = data.nodeChildren(setting, node);
        if (children) {
          for (var i = 0, l = children.length; i < l; i++) {
            data.removeNodeCache(setting, children[i]);
          }
        }
        data.getCache(setting).nodes[data.getNodeCacheId(node.tId)] = null;
      },
      removeSelectedNode: function (setting, node) {
        var root = data.getRoot(setting);
        for (var i = 0, j = root.curSelectedList.length; i < j; i++) {
          if (node === root.curSelectedList[i] || !data.getNodeCache(setting, root.curSelectedList[i].tId)) {
            root.curSelectedList.splice(i, 1);
            setting.treeObj.trigger(consts.event.UNSELECTED, [setting.treeId, node]);
            i--;
            j--;
          }
        }
      },
      setCache: function (setting, cache) {
        caches[setting.treeId] = cache;
      },
      setRoot: function (setting, root) {
        roots[setting.treeId] = root;
      },
      setZTreeTools: function (setting, zTreeTools) {
        for (var i = 0, j = _init.zTreeTools.length; i < j; i++) {
          _init.zTreeTools[i].apply(this, arguments);
        }
      },
      transformToArrayFormat: function (setting, nodes) {
        if (!nodes) return [];
        var r = [];
        if (tools.isArray(nodes)) {
          for (var i = 0, l = nodes.length; i < l; i++) {
            var node = nodes[i];
            _do(node);
          }
        } else {
          _do(nodes);
        }
        return r;

        function _do(_node) {
          r.push(_node);
          var children = data.nodeChildren(setting, _node);
          if (children) {
            r = r.concat(data.transformToArrayFormat(setting, children));
          }
        }
      },
      transformTozTreeFormat: function (setting, sNodes) {
        var i, l,
          key = setting.data.simpleData.idKey,
          parentKey = setting.data.simpleData.pIdKey;
        if (!key || key == "" || !sNodes) return [];

        if (tools.isArray(sNodes)) {
          var r = [];
          var tmpMap = {};
          for (i = 0, l = sNodes.length; i < l; i++) {
            tmpMap[sNodes[i][key]] = sNodes[i];
          }
          for (i = 0, l = sNodes.length; i < l; i++) {
            var p = tmpMap[sNodes[i][parentKey]];
            if (p && sNodes[i][key] != sNodes[i][parentKey]) {
              var children = data.nodeChildren(setting, p);
              if (!children) {
                children = data.nodeChildren(setting, p, []);
              }
              children.push(sNodes[i]);
            } else {
              r.push(sNodes[i]);
            }
          }
          return r;
        } else {
          return [sNodes];
        }
      }
    },
    //method of event proxy
    event = {
      bindEvent: function (setting) {
        for (var i = 0, j = _init.bind.length; i < j; i++) {
          _init.bind[i].apply(this, arguments);
        }
      },
      unbindEvent: function (setting) {
        for (var i = 0, j = _init.unbind.length; i < j; i++) {
          _init.unbind[i].apply(this, arguments);
        }
      },
      bindTree: function (setting) {
        var eventParam = {
            treeId: setting.treeId
          },
          o = setting.treeObj;
        if (!setting.view.txtSelectedEnable) {
          // for can't select text
          o.bind('selectstart', handler.onSelectStart).css({
            "-moz-user-select": "-moz-none"
          });
        }
        o.bind('click', eventParam, event.proxy);
        o.bind('dblclick', eventParam, event.proxy);
        o.bind('mouseover', eventParam, event.proxy);
        o.bind('mouseout', eventParam, event.proxy);
        o.bind('mousedown', eventParam, event.proxy);
        o.bind('mouseup', eventParam, event.proxy);
        o.bind('contextmenu', eventParam, event.proxy);
      },
      unbindTree: function (setting) {
        var o = setting.treeObj;
        o.unbind('selectstart', handler.onSelectStart)
          .unbind('click', event.proxy)
          .unbind('dblclick', event.proxy)
          .unbind('mouseover', event.proxy)
          .unbind('mouseout', event.proxy)
          .unbind('mousedown', event.proxy)
          .unbind('mouseup', event.proxy)
          .unbind('contextmenu', event.proxy);
      },
      doProxy: function (e) {
        var results = [];
        for (var i = 0, j = _init.proxys.length; i < j; i++) {
          var proxyResult = _init.proxys[i].apply(this, arguments);
          results.push(proxyResult);
          if (proxyResult.stop) {
            break;
          }
        }
        return results;
      },
      proxy: function (e) {
        var setting = data.getSetting(e.data.treeId);
        if (!tools.uCanDo(setting, e)) return true;
        var results = event.doProxy(e),
          r = true, x = false;
        for (var i = 0, l = results.length; i < l; i++) {
          var proxyResult = results[i];
          if (proxyResult.nodeEventCallback) {
            x = true;
            r = proxyResult.nodeEventCallback.apply(proxyResult, [e, proxyResult.node]) && r;
          }
          if (proxyResult.treeEventCallback) {
            x = true;
            r = proxyResult.treeEventCallback.apply(proxyResult, [e, proxyResult.node]) && r;
          }
        }
        return r;
      }
    },
    //method of event handler
    handler = {
      onSwitchNode: function (event, node) {
        var setting = data.getSetting(event.data.treeId);
        if (node.open) {
          if (tools.apply(setting.callback.beforeCollapse, [setting.treeId, node], true) == false) return true;
          data.getRoot(setting).expandTriggerFlag = true;
          view.switchNode(setting, node);
        } else {
          if (tools.apply(setting.callback.beforeExpand, [setting.treeId, node], true) == false) return true;
          data.getRoot(setting).expandTriggerFlag = true;
          view.switchNode(setting, node);
        }
        return true;
      },
      onClickNode: function (event, node) {
        var setting = data.getSetting(event.data.treeId),
          clickFlag = ((setting.view.autoCancelSelected && (event.ctrlKey || event.metaKey)) && data.isSelectedNode(setting, node)) ? 0 : (setting.view.autoCancelSelected && (event.ctrlKey || event.metaKey) && setting.view.selectedMulti) ? 2 : 1;
        if (tools.apply(setting.callback.beforeClick, [setting.treeId, node, clickFlag], true) == false) return true;
        if (clickFlag === 0) {
          view.cancelPreSelectedNode(setting, node);
        } else {
          view.selectNode(setting, node, clickFlag === 2);
        }
        setting.treeObj.trigger(consts.event.CLICK, [event, setting.treeId, node, clickFlag]);
        return true;
      },
      onZTreeMousedown: function (event, node) {
        var setting = data.getSetting(event.data.treeId);
        if (tools.apply(setting.callback.beforeMouseDown, [setting.treeId, node], true)) {
          tools.apply(setting.callback.onMouseDown, [event, setting.treeId, node]);
        }
        return true;
      },
      onZTreeMouseup: function (event, node) {
        var setting = data.getSetting(event.data.treeId);
        if (tools.apply(setting.callback.beforeMouseUp, [setting.treeId, node], true)) {
          tools.apply(setting.callback.onMouseUp, [event, setting.treeId, node]);
        }
        return true;
      },
      onZTreeDblclick: function (event, node) {
        var setting = data.getSetting(event.data.treeId);
        if (tools.apply(setting.callback.beforeDblClick, [setting.treeId, node], true)) {
          tools.apply(setting.callback.onDblClick, [event, setting.treeId, node]);
        }
        return true;
      },
      onZTreeContextmenu: function (event, node) {
        var setting = data.getSetting(event.data.treeId);
        if (tools.apply(setting.callback.beforeRightClick, [setting.treeId, node], true)) {
          tools.apply(setting.callback.onRightClick, [event, setting.treeId, node]);
        }
        return (typeof setting.callback.onRightClick) != "function";
      },
      onSelectStart: function (e) {
        var n = e.originalEvent.srcElement.nodeName.toLowerCase();
        return (n === "input" || n === "textarea");
      }
    },
    //method of tools for zTree
    tools = {
      apply: function (fun, param, defaultValue) {
        if ((typeof fun) == "function") {
          return fun.apply(zt, param ? param : []);
        }
        return defaultValue;
      },
      canAsync: function (setting, node) {
        var children = data.nodeChildren(setting, node);
        var isParent = data.nodeIsParent(setting, node);
        return (setting.async.enable && node && isParent && !(node.zAsync || (children && children.length > 0)));
      },
      clone: function (obj) {
        if (obj === null) return null;
        var o = tools.isArray(obj) ? [] : {};
        for (var i in obj) {
          o[i] = (obj[i] instanceof Date) ? new Date(obj[i].getTime()) : (typeof obj[i] === "object" ? tools.clone(obj[i]) : obj[i]);
        }
        return o;
      },
      eqs: function (str1, str2) {
        return str1.toLowerCase() === str2.toLowerCase();
      },
      isArray: function (arr) {
        return Object.prototype.toString.apply(arr) === "[object Array]";
      },
      isElement: function (o) {
        return (
          typeof HTMLElement === "object" ? o instanceof HTMLElement : //DOM2
            o && typeof o === "object" && o !== null && o.nodeType === 1 && typeof o.nodeName === "string"
        );
      },
      $: function (node, exp, setting) {
        if (!!exp && typeof exp != "string") {
          setting = exp;
          exp = "";
        }
        if (typeof node == "string") {
          return $(node, setting ? setting.treeObj.get(0).ownerDocument : null);
        } else {
          return $("#" + node.tId + exp, setting ? setting.treeObj : null);
        }
      },
      getMDom: function (setting, curDom, targetExpr) {
        if (!curDom) return null;
        while (curDom && curDom.id !== setting.treeId) {
          for (var i = 0, l = targetExpr.length; curDom.tagName && i < l; i++) {
            if (tools.eqs(curDom.tagName, targetExpr[i].tagName) && curDom.getAttribute(targetExpr[i].attrName) !== null) {
              return curDom;
            }
          }
          curDom = curDom.parentNode;
        }
        return null;
      },
      getNodeMainDom: function (target) {
        return ($(target).parent("li").get(0) || $(target).parentsUntil("li").parent().get(0));
      },
      isChildOrSelf: function (dom, parentId) {
        return ($(dom).closest("#" + parentId).length > 0);
      },
      uCanDo: function (setting, e) {
        return true;
      }
    },
    //method of operate ztree dom
    view = {
      addNodes: function (setting, parentNode, index, newNodes, isSilent) {
        var isParent = data.nodeIsParent(setting, parentNode);
        if (setting.data.keep.leaf && parentNode && !isParent) {
          return;
        }
        if (!tools.isArray(newNodes)) {
          newNodes = [newNodes];
        }
        if (setting.data.simpleData.enable) {
          newNodes = data.transformTozTreeFormat(setting, newNodes);
        }
        if (parentNode) {
          var target_switchObj = $$(parentNode, consts.id.SWITCH, setting),
            target_icoObj = $$(parentNode, consts.id.ICON, setting),
            target_ulObj = $$(parentNode, consts.id.UL, setting);

          if (!parentNode.open) {
            view.replaceSwitchClass(parentNode, target_switchObj, consts.folder.CLOSE);
            view.replaceIcoClass(parentNode, target_icoObj, consts.folder.CLOSE);
            parentNode.open = false;
            target_ulObj.css({
              "display": "none"
            });
          }

          data.addNodesData(setting, parentNode, index, newNodes);
          view.createNodes(setting, parentNode.level + 1, newNodes, parentNode, index);
          if (!isSilent) {
            view.expandCollapseParentNode(setting, parentNode, true);
          }
        } else {
          data.addNodesData(setting, data.getRoot(setting), index, newNodes);
          view.createNodes(setting, 0, newNodes, null, index);
        }
      },
      appendNodes: function (setting, level, nodes, parentNode, index, initFlag, openFlag) {
        if (!nodes) return [];
        var html = [];

        var tmpPNode = (parentNode) ? parentNode : data.getRoot(setting),
          tmpPChild = data.nodeChildren(setting, tmpPNode),
          isFirstNode, isLastNode;

        if (!tmpPChild || index >= tmpPChild.length - nodes.length) {
          index = -1;
        }

        for (var i = 0, l = nodes.length; i < l; i++) {
          var node = nodes[i];
          if (initFlag) {
            isFirstNode = ((index === 0 || tmpPChild.length == nodes.length) && (i == 0));
            isLastNode = (index < 0 && i == (nodes.length - 1));
            data.initNode(setting, level, node, parentNode, isFirstNode, isLastNode, openFlag);
            data.addNodeCache(setting, node);
          }
          var isParent = data.nodeIsParent(setting, node);

          var childHtml = [];
          var children = data.nodeChildren(setting, node);
          if (children && children.length > 0) {
            //make child html first, because checkType
            childHtml = view.appendNodes(setting, level + 1, children, node, -1, initFlag, openFlag && node.open);
          }
          if (openFlag) {
            view.makeDOMNodeMainBefore(html, setting, node);
            view.makeDOMNodeLine(html, setting, node);
            data.getBeforeA(setting, node, html);
            view.makeDOMNodeNameBefore(html, setting, node);
            data.getInnerBeforeA(setting, node, html);
            view.makeDOMNodeIcon(html, setting, node);
            data.getInnerAfterA(setting, node, html);
            view.makeDOMNodeNameAfter(html, setting, node);
            data.getAfterA(setting, node, html);
            if (isParent && node.open) {
              view.makeUlHtml(setting, node, html, childHtml.join(''));
            }
            view.makeDOMNodeMainAfter(html, setting, node);
            data.addCreatedNode(setting, node);
          }
        }
        return html;
      },
      appendParentULDom: function (setting, node) {
        var html = [],
          nObj = $$(node, setting);
        if (!nObj.get(0) && !!node.parentTId) {
          view.appendParentULDom(setting, node.getParentNode());
          nObj = $$(node, setting);
        }
        var ulObj = $$(node, consts.id.UL, setting);
        if (ulObj.get(0)) {
          ulObj.remove();
        }
        var children = data.nodeChildren(setting, node),
          childHtml = view.appendNodes(setting, node.level + 1, children, node, -1, false, true);
        view.makeUlHtml(setting, node, html, childHtml.join(''));
        nObj.append(html.join(''));
      },
      asyncNode: function (setting, node, isSilent, callback) {
        var i, l;
        var isParent = data.nodeIsParent(setting, node);
        if (node && !isParent) {
          tools.apply(callback);
          return false;
        } else if (node && node.isAjaxing) {
          return false;
        } else if (tools.apply(setting.callback.beforeAsync, [setting.treeId, node], true) == false) {
          tools.apply(callback);
          return false;
        }
        if (node) {
          node.isAjaxing = true;
          var icoObj = $$(node, consts.id.ICON, setting);
          icoObj.attr({"style": "", "class": consts.className.BUTTON + " " + consts.className.ICO_LOADING});
        }

        var tmpParam = {};
        var autoParam = tools.apply(setting.async.autoParam, [setting.treeId, node], setting.async.autoParam);
        for (i = 0, l = autoParam.length; node && i < l; i++) {
          var pKey = autoParam[i].split("="), spKey = pKey;
          if (pKey.length > 1) {
            spKey = pKey[1];
            pKey = pKey[0];
          }
          tmpParam[spKey] = node[pKey];
        }
        var otherParam = tools.apply(setting.async.otherParam, [setting.treeId, node], setting.async.otherParam);
        if (tools.isArray(otherParam)) {
          for (i = 0, l = otherParam.length; i < l; i += 2) {
            tmpParam[otherParam[i]] = otherParam[i + 1];
          }
        } else {
          for (var p in otherParam) {
            tmpParam[p] = otherParam[p];
          }
        }

        var _tmpV = data.getRoot(setting)._ver;
        $.ajax({
          contentType: setting.async.contentType,
          cache: false,
          type: setting.async.type,
          url: tools.apply(setting.async.url, [setting.treeId, node], setting.async.url),
          data: setting.async.contentType.indexOf('application/json') > -1 ? JSON.stringify(tmpParam) : tmpParam,
          dataType: setting.async.dataType,
          headers: setting.async.headers,
          xhrFields: setting.async.xhrFields,
          success: function (msg) {
            if (_tmpV != data.getRoot(setting)._ver) {
              return;
            }
            var newNodes = [];
            try {
              if (!msg || msg.length == 0) {
                newNodes = [];
              } else if (typeof msg == "string") {
                newNodes = eval("(" + msg + ")");
              } else {
                newNodes = msg;
              }
            } catch (err) {
              newNodes = msg;
            }

            if (node) {
              node.isAjaxing = null;
              node.zAsync = true;
            }
            view.setNodeLineIcos(setting, node);
            if (newNodes && newNodes !== "") {
              newNodes = tools.apply(setting.async.dataFilter, [setting.treeId, node, newNodes], newNodes);
              view.addNodes(setting, node, -1, !!newNodes ? tools.clone(newNodes) : [], !!isSilent);
            } else {
              view.addNodes(setting, node, -1, [], !!isSilent);
            }
            setting.treeObj.trigger(consts.event.ASYNC_SUCCESS, [setting.treeId, node, msg]);
            tools.apply(callback);
          },
          error: function (XMLHttpRequest, textStatus, errorThrown) {
            if (_tmpV != data.getRoot(setting)._ver) {
              return;
            }
            if (node) node.isAjaxing = null;
            view.setNodeLineIcos(setting, node);
            setting.treeObj.trigger(consts.event.ASYNC_ERROR, [setting.treeId, node, XMLHttpRequest, textStatus, errorThrown]);
          }
        });
        return true;
      },
      cancelPreSelectedNode: function (setting, node, excludeNode) {
        var list = data.getRoot(setting).curSelectedList,
          i, n;
        for (i = list.length - 1; i >= 0; i--) {
          n = list[i];
          if (node === n || (!node && (!excludeNode || excludeNode !== n))) {
            $$(n, consts.id.A, setting).removeClass(consts.node.CURSELECTED);
            if (node) {
              data.removeSelectedNode(setting, node);
              break;
            } else {
              list.splice(i, 1);
              setting.treeObj.trigger(consts.event.UNSELECTED, [setting.treeId, n]);
            }
          }
        }
      },
      createNodeCallback: function (setting) {
        if (!!setting.callback.onNodeCreated || !!setting.view.addDiyDom) {
          var root = data.getRoot(setting);
          while (root.createdNodes.length > 0) {
            var node = root.createdNodes.shift();
            tools.apply(setting.view.addDiyDom, [setting.treeId, node]);
            if (!!setting.callback.onNodeCreated) {
              setting.treeObj.trigger(consts.event.NODECREATED, [setting.treeId, node]);
            }
          }
        }
      },
      createNodes: function (setting, level, nodes, parentNode, index) {
        if (!nodes || nodes.length == 0) return;
        var root = data.getRoot(setting),
          openFlag = !parentNode || parentNode.open || !!$$(data.nodeChildren(setting, parentNode)[0], setting).get(0);
        root.createdNodes = [];
        var zTreeHtml = view.appendNodes(setting, level, nodes, parentNode, index, true, openFlag),
          parentObj, nextObj;

        if (!parentNode) {
          parentObj = setting.treeObj;
          //setting.treeObj.append(zTreeHtml.join(''));
        } else {
          var ulObj = $$(parentNode, consts.id.UL, setting);
          if (ulObj.get(0)) {
            parentObj = ulObj;
            //ulObj.append(zTreeHtml.join(''));
          }
        }
        if (parentObj) {
          if (index >= 0) {
            nextObj = parentObj.children()[index];
          }
          if (index >= 0 && nextObj) {
            $(nextObj).before(zTreeHtml.join(''));
          } else {
            parentObj.append(zTreeHtml.join(''));
          }
        }

        view.createNodeCallback(setting);
      },
      destroy: function (setting) {
        if (!setting) return;
        data.initCache(setting);
        data.initRoot(setting);
        event.unbindTree(setting);
        event.unbindEvent(setting);
        setting.treeObj.empty();
        delete settings[setting.treeId];
      },
      expandCollapseNode: function (setting, node, expandFlag, animateFlag, callback) {
        var root = data.getRoot(setting);
        var tmpCb, _callback;
        if (!node) {
          tools.apply(callback, []);
          return;
        }
        var children = data.nodeChildren(setting, node);
        var isParent = data.nodeIsParent(setting, node);
        if (root.expandTriggerFlag) {
          _callback = callback;
          tmpCb = function () {
            if (_callback) _callback();
            if (node.open) {
              setting.treeObj.trigger(consts.event.EXPAND, [setting.treeId, node]);
            } else {
              setting.treeObj.trigger(consts.event.COLLAPSE, [setting.treeId, node]);
            }
          };
          callback = tmpCb;
          root.expandTriggerFlag = false;
        }
        if (!node.open && isParent && ((!$$(node, consts.id.UL, setting).get(0)) || (children && children.length > 0 && !$$(children[0], setting).get(0)))) {
          view.appendParentULDom(setting, node);
          view.createNodeCallback(setting);
        }
        if (node.open == expandFlag) {
          tools.apply(callback, []);
          return;
        }
        var ulObj = $$(node, consts.id.UL, setting),
          switchObj = $$(node, consts.id.SWITCH, setting),
          icoObj = $$(node, consts.id.ICON, setting);

        if (isParent) {
          node.open = !node.open;
          if (node.iconOpen && node.iconClose) {
            icoObj.attr("style", view.makeNodeIcoStyle(setting, node));
          }

          if (node.open) {
            view.replaceSwitchClass(node, switchObj, consts.folder.OPEN);
            view.replaceIcoClass(node, icoObj, consts.folder.OPEN);
            if (animateFlag == false || setting.view.expandSpeed == "") {
              ulObj.show();
              tools.apply(callback, []);
            } else {
              if (children && children.length > 0) {
                ulObj.slideDown(setting.view.expandSpeed, callback);
              } else {
                ulObj.show();
                tools.apply(callback, []);
              }
            }
          } else {
            view.replaceSwitchClass(node, switchObj, consts.folder.CLOSE);
            view.replaceIcoClass(node, icoObj, consts.folder.CLOSE);
            if (animateFlag == false || setting.view.expandSpeed == "" || !(children && children.length > 0)) {
              ulObj.hide();
              tools.apply(callback, []);
            } else {
              ulObj.slideUp(setting.view.expandSpeed, callback);
            }
          }
        } else {
          tools.apply(callback, []);
        }
      },
      expandCollapseParentNode: function (setting, node, expandFlag, animateFlag, callback) {
        if (!node) return;
        if (!node.parentTId) {
          view.expandCollapseNode(setting, node, expandFlag, animateFlag, callback);
          return;
        } else {
          view.expandCollapseNode(setting, node, expandFlag, animateFlag);
        }
        if (node.parentTId) {
          view.expandCollapseParentNode(setting, node.getParentNode(), expandFlag, animateFlag, callback);
        }
      },
      expandCollapseSonNode: function (setting, node, expandFlag, animateFlag, callback) {
        var root = data.getRoot(setting),
          treeNodes = (node) ? data.nodeChildren(setting, node) : data.nodeChildren(setting, root),
          selfAnimateSign = (node) ? false : animateFlag,
          expandTriggerFlag = data.getRoot(setting).expandTriggerFlag;
        data.getRoot(setting).expandTriggerFlag = false;
        if (treeNodes) {
          for (var i = 0, l = treeNodes.length; i < l; i++) {
            if (treeNodes[i]) view.expandCollapseSonNode(setting, treeNodes[i], expandFlag, selfAnimateSign);
          }
        }
        data.getRoot(setting).expandTriggerFlag = expandTriggerFlag;
        view.expandCollapseNode(setting, node, expandFlag, animateFlag, callback);
      },
      isSelectedNode: function (setting, node) {
        if (!node) {
          return false;
        }
        var list = data.getRoot(setting).curSelectedList,
          i;
        for (i = list.length - 1; i >= 0; i--) {
          if (node === list[i]) {
            return true;
          }
        }
        return false;
      },
      makeDOMNodeIcon: function (html, setting, node) {
        var nameStr = data.nodeName(setting, node),
          name = setting.view.nameIsHTML ? nameStr : nameStr.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
        html.push("<span id='", node.tId, consts.id.ICON,
          "' title='' treeNode", consts.id.ICON, " class='", view.makeNodeIcoClass(setting, node),
          "' style='", view.makeNodeIcoStyle(setting, node), "'></span><span id='", node.tId, consts.id.SPAN,
          "' class='", consts.className.NAME,
          "'>", name, "</span>");
      },
      makeDOMNodeLine: function (html, setting, node) {
        html.push("<span id='", node.tId, consts.id.SWITCH, "' title='' class='", view.makeNodeLineClass(setting, node), "' treeNode", consts.id.SWITCH, "></span>");
      },
      makeDOMNodeMainAfter: function (html, setting, node) {
        html.push("</li>");
      },
      makeDOMNodeMainBefore: function (html, setting, node) {
        html.push("<li id='", node.tId, "' class='", consts.className.LEVEL, node.level, "' tabindex='0' hidefocus='true' treenode>");
      },
      makeDOMNodeNameAfter: function (html, setting, node) {
        html.push("</a>");
      },
      makeDOMNodeNameBefore: function (html, setting, node) {
        var title = data.nodeTitle(setting, node),
          url = view.makeNodeUrl(setting, node),
          fontcss = view.makeNodeFontCss(setting, node),
          fontStyle = [];
        for (var f in fontcss) {
          fontStyle.push(f, ":", fontcss[f], ";");
        }
        html.push("<a id='", node.tId, consts.id.A, "' class='", consts.className.LEVEL, node.level, "' treeNode", consts.id.A, " onclick=\"", (node.click || ''),
          "\" ", ((url != null && url.length > 0) ? "href='" + url + "'" : ""), " target='", view.makeNodeTarget(node), "' style='", fontStyle.join(''),
          "'");
        if (tools.apply(setting.view.showTitle, [setting.treeId, node], setting.view.showTitle) && title) {
          html.push("title='", title.replace(/'/g, "&#39;").replace(/</g, '&lt;').replace(/>/g, '&gt;'), "'");
        }
        html.push(">");
      },
      makeNodeFontCss: function (setting, node) {
        var fontCss = tools.apply(setting.view.fontCss, [setting.treeId, node], setting.view.fontCss);
        return (fontCss && ((typeof fontCss) != "function")) ? fontCss : {};
      },
      makeNodeIcoClass: function (setting, node) {
        var icoCss = ["ico"];
        if (!node.isAjaxing) {
          var isParent = data.nodeIsParent(setting, node);
          icoCss[0] = (node.iconSkin ? node.iconSkin + "_" : "") + icoCss[0];
          if (isParent) {
            icoCss.push(node.open ? consts.folder.OPEN : consts.folder.CLOSE);
          } else {
            icoCss.push(consts.folder.DOCU);
          }
        }
        return consts.className.BUTTON + " " + icoCss.join('_');
      },
      makeNodeIcoStyle: function (setting, node) {
        var icoStyle = [];
        if (!node.isAjaxing) {
          var isParent = data.nodeIsParent(setting, node);
          var icon = (isParent && node.iconOpen && node.iconClose) ? (node.open ? node.iconOpen : node.iconClose) : node[setting.data.key.icon];
          if (icon) icoStyle.push("background:url(", icon, ") 0 0 no-repeat;");
          if (setting.view.showIcon == false || !tools.apply(setting.view.showIcon, [setting.treeId, node], true)) {
            icoStyle.push("width:0px;height:0px;");
          }
        }
        return icoStyle.join('');
      },
      makeNodeLineClass: function (setting, node) {
        var lineClass = [];
        if (setting.view.showLine) {
          if (node.level == 0 && node.isFirstNode && node.isLastNode) {
            lineClass.push(consts.line.ROOT);
          } else if (node.level == 0 && node.isFirstNode) {
            lineClass.push(consts.line.ROOTS);
          } else if (node.isLastNode) {
            lineClass.push(consts.line.BOTTOM);
          } else {
            lineClass.push(consts.line.CENTER);
          }
        } else {
          lineClass.push(consts.line.NOLINE);
        }
        if (data.nodeIsParent(setting, node)) {
          lineClass.push(node.open ? consts.folder.OPEN : consts.folder.CLOSE);
        } else {
          lineClass.push(consts.folder.DOCU);
        }
        return view.makeNodeLineClassEx(node) + lineClass.join('_');
      },
      makeNodeLineClassEx: function (node) {
        return consts.className.BUTTON + " " + consts.className.LEVEL + node.level + " " + consts.className.SWITCH + " ";
      },
      makeNodeTarget: function (node) {
        return (node.target || "_blank");
      },
      makeNodeUrl: function (setting, node) {
        var urlKey = setting.data.key.url;
        return node[urlKey] ? node[urlKey] : null;
      },
      makeUlHtml: function (setting, node, html, content) {
        html.push("<ul id='", node.tId, consts.id.UL, "' class='", consts.className.LEVEL, node.level, " ", view.makeUlLineClass(setting, node), "' style='display:", (node.open ? "block" : "none"), "'>");
        html.push(content);
        html.push("</ul>");
      },
      makeUlLineClass: function (setting, node) {
        return ((setting.view.showLine && !node.isLastNode) ? consts.line.LINE : "");
      },
      removeChildNodes: function (setting, node) {
        if (!node) return;
        var nodes = data.nodeChildren(setting, node);
        if (!nodes) return;

        for (var i = 0, l = nodes.length; i < l; i++) {
          data.removeNodeCache(setting, nodes[i]);
        }
        data.removeSelectedNode(setting);
        delete node[setting.data.key.children];

        if (!setting.data.keep.parent) {
          data.nodeIsParent(setting, node, false);
          node.open = false;
          var tmp_switchObj = $$(node, consts.id.SWITCH, setting),
            tmp_icoObj = $$(node, consts.id.ICON, setting);
          view.replaceSwitchClass(node, tmp_switchObj, consts.folder.DOCU);
          view.replaceIcoClass(node, tmp_icoObj, consts.folder.DOCU);
          $$(node, consts.id.UL, setting).remove();
        } else {
          $$(node, consts.id.UL, setting).empty();
        }
      },
      scrollIntoView: function (setting, dom) {
        if (!dom) {
          return;
        }
        // support IE 7
        if (typeof Element === 'undefined') {
          var contRect = setting.treeObj.get(0).getBoundingClientRect(),
            findMeRect = dom.getBoundingClientRect();
          if (findMeRect.top < contRect.top || findMeRect.bottom > contRect.bottom
            || findMeRect.right > contRect.right || findMeRect.left < contRect.left) {
            dom.scrollIntoView();
          }
          return;
        }
        // CC-BY jocki84@googlemail.com, https://gist.github.com/jocki84/6ffafd003387179a988e
        if (!Element.prototype.scrollIntoViewIfNeeded) {
          Element.prototype.scrollIntoViewIfNeeded = function (centerIfNeeded) {
            "use strict";

            function makeRange(start, length) {
              return {"start": start, "length": length, "end": start + length};
            }

            function coverRange(inner, outer) {
              if (
                false === centerIfNeeded ||
                (outer.start < inner.end && inner.start < outer.end)
              ) {
                return Math.max(
                  inner.end - outer.length,
                  Math.min(outer.start, inner.start)
                );
              }
              return (inner.start + inner.end - outer.length) / 2;
            }

            function makePoint(x, y) {
              return {
                "x": x,
                "y": y,
                "translate": function translate(dX, dY) {
                  return makePoint(x + dX, y + dY);
                }
              };
            }

            function absolute(elem, pt) {
              while (elem) {
                pt = pt.translate(elem.offsetLeft, elem.offsetTop);
                elem = elem.offsetParent;
              }
              return pt;
            }

            var target = absolute(this, makePoint(0, 0)),
              extent = makePoint(this.offsetWidth, this.offsetHeight),
              elem = this.parentNode,
              origin;

            while (elem instanceof HTMLElement) {
              // Apply desired scroll amount.
              origin = absolute(elem, makePoint(elem.clientLeft, elem.clientTop));
              elem.scrollLeft = coverRange(
                makeRange(target.x - origin.x, extent.x),
                makeRange(elem.scrollLeft, elem.clientWidth)
              );
              elem.scrollTop = coverRange(
                makeRange(target.y - origin.y, extent.y),
                makeRange(elem.scrollTop, elem.clientHeight)
              );

              // Determine actual scroll amount by reading back scroll properties.
              target = target.translate(-elem.scrollLeft, -elem.scrollTop);
              elem = elem.parentNode;
            }
          };
        }
        dom.scrollIntoViewIfNeeded();
      },
      setFirstNode: function (setting, parentNode) {
        var children = data.nodeChildren(setting, parentNode);
        if (children.length > 0) {
          children[0].isFirstNode = true;
        }
      },
      setLastNode: function (setting, parentNode) {
        var children = data.nodeChildren(setting, parentNode);
        if (children.length > 0) {
          children[children.length - 1].isLastNode = true;
        }
      },
      removeNode: function (setting, node) {
        var root = data.getRoot(setting),
          parentNode = (node.parentTId) ? node.getParentNode() : root;

        node.isFirstNode = false;
        node.isLastNode = false;
        node.getPreNode = function () {
          return null;
        };
        node.getNextNode = function () {
          return null;
        };

        if (!data.getNodeCache(setting, node.tId)) {
          return;
        }

        $$(node, setting).remove();
        data.removeNodeCache(setting, node);
        data.removeSelectedNode(setting, node);

        var children = data.nodeChildren(setting, parentNode);
        for (var i = 0, l = children.length; i < l; i++) {
          if (children[i].tId == node.tId) {
            children.splice(i, 1);
            break;
          }
        }
        view.setFirstNode(setting, parentNode);
        view.setLastNode(setting, parentNode);

        var tmp_ulObj, tmp_switchObj, tmp_icoObj,
          childLength = children.length;

        //repair nodes old parent
        if (!setting.data.keep.parent && childLength == 0) {
          //old parentNode has no child nodes
          data.nodeIsParent(setting, parentNode, false);
          parentNode.open = false;
          delete parentNode[setting.data.key.children];
          tmp_ulObj = $$(parentNode, consts.id.UL, setting);
          tmp_switchObj = $$(parentNode, consts.id.SWITCH, setting);
          tmp_icoObj = $$(parentNode, consts.id.ICON, setting);
          view.replaceSwitchClass(parentNode, tmp_switchObj, consts.folder.DOCU);
          view.replaceIcoClass(parentNode, tmp_icoObj, consts.folder.DOCU);
          tmp_ulObj.css("display", "none");

        } else if (setting.view.showLine && childLength > 0) {
          //old parentNode has child nodes
          var newLast = children[childLength - 1];
          tmp_ulObj = $$(newLast, consts.id.UL, setting);
          tmp_switchObj = $$(newLast, consts.id.SWITCH, setting);
          tmp_icoObj = $$(newLast, consts.id.ICON, setting);
          if (parentNode == root) {
            if (children.length == 1) {
              //node was root, and ztree has only one root after move node
              view.replaceSwitchClass(newLast, tmp_switchObj, consts.line.ROOT);
            } else {
              var tmp_first_switchObj = $$(children[0], consts.id.SWITCH, setting);
              view.replaceSwitchClass(children[0], tmp_first_switchObj, consts.line.ROOTS);
              view.replaceSwitchClass(newLast, tmp_switchObj, consts.line.BOTTOM);
            }
          } else {
            view.replaceSwitchClass(newLast, tmp_switchObj, consts.line.BOTTOM);
          }
          tmp_ulObj.removeClass(consts.line.LINE);
        }
      },
      replaceIcoClass: function (node, obj, newName) {
        if (!obj || node.isAjaxing) return;
        var tmpName = obj.attr("class");
        if (tmpName == undefined) return;
        var tmpList = tmpName.split("_");
        switch (newName) {
          case consts.folder.OPEN:
          case consts.folder.CLOSE:
          case consts.folder.DOCU:
            tmpList[tmpList.length - 1] = newName;
            break;
        }
        obj.attr("class", tmpList.join("_"));
      },
      replaceSwitchClass: function (node, obj, newName) {
        if (!obj) return;
        var tmpName = obj.attr("class");
        if (tmpName == undefined) return;
        var tmpList = tmpName.split("_");
        switch (newName) {
          case consts.line.ROOT:
          case consts.line.ROOTS:
          case consts.line.CENTER:
          case consts.line.BOTTOM:
          case consts.line.NOLINE:
            tmpList[0] = view.makeNodeLineClassEx(node) + newName;
            break;
          case consts.folder.OPEN:
          case consts.folder.CLOSE:
          case consts.folder.DOCU:
            tmpList[1] = newName;
            break;
        }
        obj.attr("class", tmpList.join("_"));
        if (newName !== consts.folder.DOCU) {
          obj.removeAttr("disabled");
        } else {
          obj.attr("disabled", "disabled");
        }
      },
      selectNode: function (setting, node, addFlag) {
        if (!addFlag) {
          view.cancelPreSelectedNode(setting, null, node);
        }
        $$(node, consts.id.A, setting).addClass(consts.node.CURSELECTED);
        data.addSelectedNode(setting, node);
        setting.treeObj.trigger(consts.event.SELECTED, [setting.treeId, node]);
      },
      setNodeFontCss: function (setting, treeNode) {
        var aObj = $$(treeNode, consts.id.A, setting),
          fontCss = view.makeNodeFontCss(setting, treeNode);
        if (fontCss) {
          aObj.css(fontCss);
        }
      },
      setNodeLineIcos: function (setting, node) {
        if (!node) return;
        var switchObj = $$(node, consts.id.SWITCH, setting),
          ulObj = $$(node, consts.id.UL, setting),
          icoObj = $$(node, consts.id.ICON, setting),
          ulLine = view.makeUlLineClass(setting, node);
        if (ulLine.length == 0) {
          ulObj.removeClass(consts.line.LINE);
        } else {
          ulObj.addClass(ulLine);
        }
        switchObj.attr("class", view.makeNodeLineClass(setting, node));
        if (data.nodeIsParent(setting, node)) {
          switchObj.removeAttr("disabled");
        } else {
          switchObj.attr("disabled", "disabled");
        }
        icoObj.removeAttr("style");
        icoObj.attr("style", view.makeNodeIcoStyle(setting, node));
        icoObj.attr("class", view.makeNodeIcoClass(setting, node));
      },
      setNodeName: function (setting, node) {
        var title = data.nodeTitle(setting, node),
          nObj = $$(node, consts.id.SPAN, setting);
        nObj.empty();
        if (setting.view.nameIsHTML) {
          nObj.html(data.nodeName(setting, node));
        } else {
          nObj.text(data.nodeName(setting, node));
        }
        if (tools.apply(setting.view.showTitle, [setting.treeId, node], setting.view.showTitle)) {
          var aObj = $$(node, consts.id.A, setting);
          aObj.attr("title", !title ? "" : title);
        }
      },
      setNodeTarget: function (setting, node) {
        var aObj = $$(node, consts.id.A, setting);
        aObj.attr("target", view.makeNodeTarget(node));
      },
      setNodeUrl: function (setting, node) {
        var aObj = $$(node, consts.id.A, setting),
          url = view.makeNodeUrl(setting, node);
        if (url == null || url.length == 0) {
          aObj.removeAttr("href");
        } else {
          aObj.attr("href", url);
        }
      },
      switchNode: function (setting, node) {
        if (node.open || !tools.canAsync(setting, node)) {
          view.expandCollapseNode(setting, node, !node.open);
        } else if (setting.async.enable) {
          if (!view.asyncNode(setting, node)) {
            view.expandCollapseNode(setting, node, !node.open);
            return;
          }
        } else if (node) {
          view.expandCollapseNode(setting, node, !node.open);
        }
      }
    };
  // zTree defind
  $.fn.zTree = {
    consts: _consts,
    _z: {
      tools: tools,
      view: view,
      event: event,
      data: data
    },
    getZTreeObj: function (treeId) {
      var o = data.getZTreeTools(treeId);
      return o ? o : null;
    },
    destroy: function (treeId) {
      if (!!treeId && treeId.length > 0) {
        view.destroy(data.getSetting(treeId));
      } else {
        for (var s in settings) {
          view.destroy(settings[s]);
        }
      }
    },
    init: function (obj, zSetting, zNodes) {
      var setting = tools.clone(_setting);
      $.extend(true, setting, zSetting);
      setting.treeId = obj.attr("id");
      setting.treeObj = obj;
      setting.treeObj.empty();
      settings[setting.treeId] = setting;
      //For some older browser,(e.g., ie6)
      if (typeof document.body.style.maxHeight === "undefined") {
        setting.view.expandSpeed = "";
      }
      data.initRoot(setting);
      var root = data.getRoot(setting);
      zNodes = zNodes ? tools.clone(tools.isArray(zNodes) ? zNodes : [zNodes]) : [];
      if (setting.data.simpleData.enable) {
        data.nodeChildren(setting, root, data.transformTozTreeFormat(setting, zNodes));
      } else {
        data.nodeChildren(setting, root, zNodes);
      }

      data.initCache(setting);
      event.unbindTree(setting);
      event.bindTree(setting);
      event.unbindEvent(setting);
      event.bindEvent(setting);

      var zTreeTools = {
        setting: setting,
        addNodes: function (parentNode, index, newNodes, isSilent) {
          if (!parentNode) parentNode = null;
          var isParent = data.nodeIsParent(setting, parentNode);
          if (parentNode && !isParent && setting.data.keep.leaf) return null;

          var i = parseInt(index, 10);
          if (isNaN(i)) {
            isSilent = !!newNodes;
            newNodes = index;
            index = -1;
          } else {
            index = i;
          }
          if (!newNodes) return null;


          var xNewNodes = tools.clone(tools.isArray(newNodes) ? newNodes : [newNodes]);

          function addCallback() {
            view.addNodes(setting, parentNode, index, xNewNodes, (isSilent == true));
          }

          if (tools.canAsync(setting, parentNode)) {
            view.asyncNode(setting, parentNode, isSilent, addCallback);
          } else {
            addCallback();
          }
          return xNewNodes;
        },
        cancelSelectedNode: function (node) {
          view.cancelPreSelectedNode(setting, node);
        },
        destroy: function () {
          view.destroy(setting);
        },
        expandAll: function (expandFlag) {
          expandFlag = !!expandFlag;
          view.expandCollapseSonNode(setting, null, expandFlag, true);
          return expandFlag;
        },
        expandNode: function (node, expandFlag, sonSign, focus, callbackFlag) {
          if (!node || !data.nodeIsParent(setting, node)) return null;
          if (expandFlag !== true && expandFlag !== false) {
            expandFlag = !node.open;
          }
          callbackFlag = !!callbackFlag;

          if (callbackFlag && expandFlag && (tools.apply(setting.callback.beforeExpand, [setting.treeId, node], true) == false)) {
            return null;
          } else if (callbackFlag && !expandFlag && (tools.apply(setting.callback.beforeCollapse, [setting.treeId, node], true) == false)) {
            return null;
          }
          if (expandFlag && node.parentTId) {
            view.expandCollapseParentNode(setting, node.getParentNode(), expandFlag, false);
          }
          if (expandFlag === node.open && !sonSign) {
            return null;
          }

          data.getRoot(setting).expandTriggerFlag = callbackFlag;
          if (!tools.canAsync(setting, node) && sonSign) {
            view.expandCollapseSonNode(setting, node, expandFlag, true, showNodeFocus);
          } else {
            node.open = !expandFlag;
            view.switchNode(this.setting, node);
            showNodeFocus();
          }
          return expandFlag;

          function showNodeFocus() {
            var a = $$(node, setting).get(0);
            if (a && focus !== false) {
              view.scrollIntoView(setting, a);
            }
          }
        },
        getNodes: function () {
          return data.getNodes(setting);
        },
        getNodeByParam: function (key, value, parentNode) {
          if (!key) return null;
          return data.getNodeByParam(setting, parentNode ? data.nodeChildren(setting, parentNode) : data.getNodes(setting), key, value);
        },
        getNodeByTId: function (tId) {
          return data.getNodeCache(setting, tId);
        },
        getNodesByParam: function (key, value, parentNode) {
          if (!key) return null;
          return data.getNodesByParam(setting, parentNode ? data.nodeChildren(setting, parentNode) : data.getNodes(setting), key, value);
        },
        getNodesByParamFuzzy: function (key, value, parentNode) {
          if (!key) return null;
          return data.getNodesByParamFuzzy(setting, parentNode ? data.nodeChildren(setting, parentNode) : data.getNodes(setting), key, value);
        },
        getNodesByFilter: function (filter, isSingle, parentNode, invokeParam) {
          isSingle = !!isSingle;
          if (!filter || (typeof filter != "function")) return (isSingle ? null : []);
          return data.getNodesByFilter(setting, parentNode ? data.nodeChildren(setting, parentNode) : data.getNodes(setting), filter, isSingle, invokeParam);
        },
        getNodeIndex: function (node) {
          if (!node) return null;
          var parentNode = (node.parentTId) ? node.getParentNode() : data.getRoot(setting);
          var children = data.nodeChildren(setting, parentNode);
          for (var i = 0, l = children.length; i < l; i++) {
            if (children[i] == node) return i;
          }
          return -1;
        },
        getSelectedNodes: function () {
          var r = [], list = data.getRoot(setting).curSelectedList;
          for (var i = 0, l = list.length; i < l; i++) {
            r.push(list[i]);
          }
          return r;
        },
        isSelectedNode: function (node) {
          return data.isSelectedNode(setting, node);
        },
        reAsyncChildNodesPromise: function (parentNode, reloadType, isSilent) {
          var promise = new Promise(function (resolve, reject) {
            try {
              zTreeTools.reAsyncChildNodes(parentNode, reloadType, isSilent, function () {
                resolve(parentNode);
              });
            } catch (e) {
              reject(e);
            }
          });
          return promise;
        },
        reAsyncChildNodes: function (parentNode, reloadType, isSilent, callback) {
          if (!this.setting.async.enable) return;
          var isRoot = !parentNode;
          if (isRoot) {
            parentNode = data.getRoot(setting);
          }
          if (reloadType == "refresh") {
            var children = data.nodeChildren(setting, parentNode);
            for (var i = 0, l = children ? children.length : 0; i < l; i++) {
              data.removeNodeCache(setting, children[i]);
            }
            data.removeSelectedNode(setting);
            data.nodeChildren(setting, parentNode, []);
            if (isRoot) {
              this.setting.treeObj.empty();
            } else {
              var ulObj = $$(parentNode, consts.id.UL, setting);
              ulObj.empty();
            }
          }
          view.asyncNode(this.setting, isRoot ? null : parentNode, !!isSilent, callback);
        },
        refresh: function () {
          this.setting.treeObj.empty();
          var root = data.getRoot(setting),
            nodes = data.nodeChildren(setting, root);
          data.initRoot(setting);
          data.nodeChildren(setting, root, nodes);
          data.initCache(setting);
          view.createNodes(setting, 0, data.nodeChildren(setting, root), null, -1);
        },
        removeChildNodes: function (node) {
          if (!node) return null;
          var nodes = data.nodeChildren(setting, node);
          view.removeChildNodes(setting, node);
          return nodes ? nodes : null;
        },
        removeNode: function (node, callbackFlag) {
          if (!node) return;
          callbackFlag = !!callbackFlag;
          if (callbackFlag && tools.apply(setting.callback.beforeRemove, [setting.treeId, node], true) == false) return;
          view.removeNode(setting, node);
          if (callbackFlag) {
            this.setting.treeObj.trigger(consts.event.REMOVE, [setting.treeId, node]);
          }
        },
        selectNode: function (node, addFlag, isSilent) {
          if (!node) return;
          if (tools.uCanDo(setting)) {
            addFlag = setting.view.selectedMulti && addFlag;
            if (node.parentTId) {
              view.expandCollapseParentNode(setting, node.getParentNode(), true, false, showNodeFocus);
            } else if (!isSilent) {
              try {
                $$(node, setting).focus().blur();
              } catch (e) {
              }
            }
            view.selectNode(setting, node, addFlag);
          }

          function showNodeFocus() {
            if (isSilent) {
              return;
            }
            var a = $$(node, setting).get(0);
            view.scrollIntoView(setting, a);
          }
        },
        transformTozTreeNodes: function (simpleNodes) {
          return data.transformTozTreeFormat(setting, simpleNodes);
        },
        transformToArray: function (nodes) {
          return data.transformToArrayFormat(setting, nodes);
        },
        updateNode: function (node, checkTypeFlag) {
          if (!node) return;
          var nObj = $$(node, setting);
          if (nObj.get(0) && tools.uCanDo(setting)) {
            view.setNodeName(setting, node);
            view.setNodeTarget(setting, node);
            view.setNodeUrl(setting, node);
            view.setNodeLineIcos(setting, node);
            view.setNodeFontCss(setting, node);
          }
        }
      };
      root.treeTools = zTreeTools;
      data.setZTreeTools(setting, zTreeTools);
      var children = data.nodeChildren(setting, root);
      if (children && children.length > 0) {
        view.createNodes(setting, 0, children, null, -1);
      } else if (setting.async.enable && setting.async.url && setting.async.url !== '') {
        view.asyncNode(setting);
      }
      return zTreeTools;
    }
  };

  var zt = $.fn.zTree,
    $$ = tools.$,
    consts = zt.consts;
})(jQuery);