ProductionLineMonitor/ProductionLineMonitor.Web/wwwroot/lib/zTree.v3/js/jquery.ztree.exedit.js

/*
 * JQuery zTree exedit
 * v3.5.42
 * http://treejs.cn/
 *
 * Copyright (c) 2010 Hunter.z
 *
 * Licensed same as jquery - MIT License
 * http://www.opensource.org/licenses/mit-license.php
 *
 * Date: 2020-01-19
 */

(function ($) {
  //default consts of exedit
  var _consts = {
      event: {
        DRAG: "ztree_drag",
        DROP: "ztree_drop",
        RENAME: "ztree_rename",
        DRAGMOVE: "ztree_dragmove"
      },
      id: {
        EDIT: "_edit",
        INPUT: "_input",
        REMOVE: "_remove"
      },
      move: {
        TYPE_INNER: "inner",
        TYPE_PREV: "prev",
        TYPE_NEXT: "next"
      },
      node: {
        CURSELECTED_EDIT: "curSelectedNode_Edit",
        TMPTARGET_TREE: "tmpTargetzTree",
        TMPTARGET_NODE: "tmpTargetNode"
      }
    },
    //default setting of exedit
    _setting = {
      edit: {
        enable: false,
        editNameSelectAll: false,
        showRemoveBtn: true,
        showRenameBtn: true,
        removeTitle: "remove",
        renameTitle: "rename",
        drag: {
          autoExpandTrigger: false,
          isCopy: true,
          isMove: true,
          prev: true,
          next: true,
          inner: true,
          minMoveSize: 5,
          borderMax: 10,
          borderMin: -5,
          maxShowNodeNum: 5,
          autoOpenTime: 500
        }
      },
      view: {
        addHoverDom: null,
        removeHoverDom: null
      },
      callback: {
        beforeDrag: null,
        beforeDragOpen: null,
        beforeDrop: null,
        beforeEditName: null,
        beforeRename: null,
        onDrag: null,
        onDragMove: null,
        onDrop: null,
        onRename: null
      }
    },
    //default root of exedit
    _initRoot = function (setting) {
      var r = data.getRoot(setting), rs = data.getRoots();
      r.curEditNode = null;
      r.curEditInput = null;
      r.curHoverNode = null;
      r.dragFlag = 0;
      r.dragNodeShowBefore = [];
      r.dragMaskList = new Array();
      rs.showHoverDom = true;
    },
    //default cache of exedit
    _initCache = function (treeId) {
    },
    //default bind event of exedit
    _bindEvent = function (setting) {
      var o = setting.treeObj;
      var c = consts.event;
      o.bind(c.RENAME, function (event, treeId, treeNode, isCancel) {
        tools.apply(setting.callback.onRename, [event, treeId, treeNode, isCancel]);
      });

      o.bind(c.DRAG, function (event, srcEvent, treeId, treeNodes) {
        tools.apply(setting.callback.onDrag, [srcEvent, treeId, treeNodes]);
      });

      o.bind(c.DRAGMOVE, function (event, srcEvent, treeId, treeNodes) {
        tools.apply(setting.callback.onDragMove, [srcEvent, treeId, treeNodes]);
      });

      o.bind(c.DROP, function (event, srcEvent, treeId, treeNodes, targetNode, moveType, isCopy) {
        tools.apply(setting.callback.onDrop, [srcEvent, treeId, treeNodes, targetNode, moveType, isCopy]);
      });
    },
    _unbindEvent = function (setting) {
      var o = setting.treeObj;
      var c = consts.event;
      o.unbind(c.RENAME);
      o.unbind(c.DRAG);
      o.unbind(c.DRAGMOVE);
      o.unbind(c.DROP);
    },
    //default event proxy of exedit
    _eventProxy = function (e) {
      var target = e.target,
        setting = data.getSetting(e.data.treeId),
        relatedTarget = e.relatedTarget,
        tId = "", node = null,
        nodeEventType = "", treeEventType = "",
        nodeEventCallback = null, treeEventCallback = null,
        tmp = null;

      if (tools.eqs(e.type, "mouseover")) {
        tmp = tools.getMDom(setting, target, [{tagName: "a", attrName: "treeNode" + consts.id.A}]);
        if (tmp) {
          tId = tools.getNodeMainDom(tmp).id;
          nodeEventType = "hoverOverNode";
        }
      } else if (tools.eqs(e.type, "mouseout")) {
        tmp = tools.getMDom(setting, relatedTarget, [{tagName: "a", attrName: "treeNode" + consts.id.A}]);
        if (!tmp) {
          tId = "remove";
          nodeEventType = "hoverOutNode";
        }
      } else if (tools.eqs(e.type, "mousedown")) {
        tmp = tools.getMDom(setting, target, [{tagName: "a", attrName: "treeNode" + consts.id.A}]);
        if (tmp) {
          tId = tools.getNodeMainDom(tmp).id;
          nodeEventType = "mousedownNode";
        }
      }
      if (tId.length > 0) {
        node = data.getNodeCache(setting, tId);
        switch (nodeEventType) {
          case "mousedownNode" :
            nodeEventCallback = _handler.onMousedownNode;
            break;
          case "hoverOverNode" :
            nodeEventCallback = _handler.onHoverOverNode;
            break;
          case "hoverOutNode" :
            nodeEventCallback = _handler.onHoverOutNode;
            break;
        }
      }
      var proxyResult = {
        stop: false,
        node: node,
        nodeEventType: nodeEventType,
        nodeEventCallback: nodeEventCallback,
        treeEventType: treeEventType,
        treeEventCallback: treeEventCallback
      };
      return proxyResult
    },
    //default init node of exedit
    _initNode = function (setting, level, n, parentNode, isFirstNode, isLastNode, openFlag) {
      if (!n) return;
      n.isHover = false;
      n.editNameFlag = false;
    },
    //update zTreeObj, add method of edit
    _zTreeTools = function (setting, zTreeTools) {
      zTreeTools.cancelEditName = function (newName) {
        var root = data.getRoot(this.setting);
        if (!root.curEditNode) return;
        view.cancelCurEditNode(this.setting, newName ? newName : null, true);
      }
      zTreeTools.copyNode = function (targetNode, node, moveType, isSilent) {
        if (!node) return null;
        var isParent = data.nodeIsParent(setting, targetNode);
        if (targetNode && !isParent && this.setting.data.keep.leaf && moveType === consts.move.TYPE_INNER) return null;
        var _this = this,
          newNode = tools.clone(node);
        if (!targetNode) {
          targetNode = null;
          moveType = consts.move.TYPE_INNER;
        }
        if (moveType == consts.move.TYPE_INNER) {
          function copyCallback() {
            view.addNodes(_this.setting, targetNode, -1, [newNode], isSilent);
          }

          if (tools.canAsync(this.setting, targetNode)) {
            view.asyncNode(this.setting, targetNode, isSilent, copyCallback);
          } else {
            copyCallback();
          }
        } else {
          view.addNodes(this.setting, targetNode.parentNode, -1, [newNode], isSilent);
          view.moveNode(this.setting, targetNode, newNode, moveType, false, isSilent);
        }
        return newNode;
      }
      zTreeTools.editName = function (node) {
        if (!node || !node.tId || node !== data.getNodeCache(this.setting, node.tId)) return;
        if (node.parentTId) view.expandCollapseParentNode(this.setting, node.getParentNode(), true);
        view.editNode(this.setting, node)
      }
      zTreeTools.moveNode = function (targetNode, node, moveType, isSilent) {
        if (!node) return node;
        var isParent = data.nodeIsParent(setting, targetNode);
        if (targetNode && !isParent && this.setting.data.keep.leaf && moveType === consts.move.TYPE_INNER) {
          return null;
        } else if (targetNode && ((node.parentTId == targetNode.tId && moveType == consts.move.TYPE_INNER) || $$(node, this.setting).find("#" + targetNode.tId).length > 0)) {
          return null;
        } else if (!targetNode) {
          targetNode = null;
        }
        var _this = this;

        function moveCallback() {
          view.moveNode(_this.setting, targetNode, node, moveType, false, isSilent);
        }

        if (tools.canAsync(this.setting, targetNode) && moveType === consts.move.TYPE_INNER) {
          view.asyncNode(this.setting, targetNode, isSilent, moveCallback);
        } else {
          moveCallback();
        }
        return node;
      }
      zTreeTools.setEditable = function (editable) {
        this.setting.edit.enable = editable;
        return this.refresh();
      }
    },
    //method of operate data
    _data = {
      setSonNodeLevel: function (setting, parentNode, node) {
        if (!node) return;
        var children = data.nodeChildren(setting, node);
        node.level = (parentNode) ? parentNode.level + 1 : 0;
        if (!children) return;
        for (var i = 0, l = children.length; i < l; i++) {
          if (children[i]) data.setSonNodeLevel(setting, node, children[i]);
        }
      }
    },
    //method of event proxy
    _event = {},
    //method of event handler
    _handler = {
      onHoverOverNode: function (event, node) {
        var setting = data.getSetting(event.data.treeId),
          root = data.getRoot(setting);
        if (root.curHoverNode != node) {
          _handler.onHoverOutNode(event);
        }
        root.curHoverNode = node;
        view.addHoverDom(setting, node);
      },
      onHoverOutNode: function (event, node) {
        var setting = data.getSetting(event.data.treeId),
          root = data.getRoot(setting);
        if (root.curHoverNode && !data.isSelectedNode(setting, root.curHoverNode)) {
          view.removeTreeDom(setting, root.curHoverNode);
          root.curHoverNode = null;
        }
      },
      onMousedownNode: function (eventMouseDown, _node) {
        var i, l,
          setting = data.getSetting(eventMouseDown.data.treeId),
          root = data.getRoot(setting), roots = data.getRoots();
        //right click can't drag & drop
        if (eventMouseDown.button == 2 || !setting.edit.enable || (!setting.edit.drag.isCopy && !setting.edit.drag.isMove)) return true;

        //input of edit node name can't drag & drop
        var target = eventMouseDown.target,
          _nodes = data.getRoot(setting).curSelectedList,
          nodes = [];
        if (!data.isSelectedNode(setting, _node)) {
          nodes = [_node];
        } else {
          for (i = 0, l = _nodes.length; i < l; i++) {
            if (_nodes[i].editNameFlag && tools.eqs(target.tagName, "input") && target.getAttribute("treeNode" + consts.id.INPUT) !== null) {
              return true;
            }
            nodes.push(_nodes[i]);
            if (nodes[0].parentTId !== _nodes[i].parentTId) {
              nodes = [_node];
              break;
            }
          }
        }

        view.editNodeBlur = true;
        view.cancelCurEditNode(setting);

        var doc = $(setting.treeObj.get(0).ownerDocument),
          body = $(setting.treeObj.get(0).ownerDocument.body), curNode, tmpArrow, tmpTarget,
          isOtherTree = false,
          targetSetting = setting,
          sourceSetting = setting,
          preNode, nextNode,
          preTmpTargetNodeId = null,
          preTmpMoveType = null,
          tmpTargetNodeId = null,
          moveType = consts.move.TYPE_INNER,
          mouseDownX = eventMouseDown.clientX,
          mouseDownY = eventMouseDown.clientY,
          startTime = (new Date()).getTime();

        if (tools.uCanDo(setting)) {
          doc.bind("mousemove", _docMouseMove);
        }

        function _docMouseMove(event) {
          //avoid start drag after click node
          if (root.dragFlag == 0 && Math.abs(mouseDownX - event.clientX) < setting.edit.drag.minMoveSize
            && Math.abs(mouseDownY - event.clientY) < setting.edit.drag.minMoveSize) {
            return true;
          }
          var i, l, tmpNode, tmpDom, tmpNodes;
          body.css("cursor", "pointer");

          if (root.dragFlag == 0) {
            if (tools.apply(setting.callback.beforeDrag, [setting.treeId, nodes], true) == false) {
              _docMouseUp(event);
              return true;
            }

            for (i = 0, l = nodes.length; i < l; i++) {
              if (i == 0) {
                root.dragNodeShowBefore = [];
              }
              tmpNode = nodes[i];
              if (data.nodeIsParent(setting, tmpNode) && tmpNode.open) {
                view.expandCollapseNode(setting, tmpNode, !tmpNode.open);
                root.dragNodeShowBefore[tmpNode.tId] = true;
              } else {
                root.dragNodeShowBefore[tmpNode.tId] = false;
              }
            }

            root.dragFlag = 1;
            roots.showHoverDom = false;
            tools.showIfameMask(setting, true);

            //sort
            var isOrder = true, lastIndex = -1;
            if (nodes.length > 1) {
              var pNodes = nodes[0].parentTId ? data.nodeChildren(setting, nodes[0].getParentNode()) : data.getNodes(setting);
              tmpNodes = [];
              for (i = 0, l = pNodes.length; i < l; i++) {
                if (root.dragNodeShowBefore[pNodes[i].tId] !== undefined) {
                  if (isOrder && lastIndex > -1 && (lastIndex + 1) !== i) {
                    isOrder = false;
                  }
                  tmpNodes.push(pNodes[i]);
                  lastIndex = i;
                }
                if (nodes.length === tmpNodes.length) {
                  nodes = tmpNodes;
                  break;
                }
              }
            }
            if (isOrder) {
              preNode = nodes[0].getPreNode();
              nextNode = nodes[nodes.length - 1].getNextNode();
            }

            //set node in selected
            curNode = $$("<ul class='zTreeDragUL'></ul>", setting);
            for (i = 0, l = nodes.length; i < l; i++) {
              tmpNode = nodes[i];
              tmpNode.editNameFlag = false;
              view.selectNode(setting, tmpNode, i > 0);
              view.removeTreeDom(setting, tmpNode);

              if (i > setting.edit.drag.maxShowNodeNum - 1) {
                continue;
              }

              tmpDom = $$("<li id='" + tmpNode.tId + "_tmp'></li>", setting);
              tmpDom.append($$(tmpNode, consts.id.A, setting).clone());
              tmpDom.css("padding", "0");
              tmpDom.children("#" + tmpNode.tId + consts.id.A).removeClass(consts.node.CURSELECTED);
              curNode.append(tmpDom);
              if (i == setting.edit.drag.maxShowNodeNum - 1) {
                tmpDom = $$("<li id='" + tmpNode.tId + "_moretmp'><a>  ...  </a></li>", setting);
                curNode.append(tmpDom);
              }
            }
            curNode.attr("id", nodes[0].tId + consts.id.UL + "_tmp");
            curNode.addClass(setting.treeObj.attr("class"));
            curNode.appendTo(body);

            tmpArrow = $$("<span class='tmpzTreeMove_arrow'></span>", setting);
            tmpArrow.attr("id", "zTreeMove_arrow_tmp");
            tmpArrow.appendTo(body);

            setting.treeObj.trigger(consts.event.DRAG, [event, setting.treeId, nodes]);
          }

          if (root.dragFlag == 1) {
            if (tmpTarget && tmpArrow.attr("id") == event.target.id && tmpTargetNodeId && (event.clientX + doc.scrollLeft() + 2) > ($("#" + tmpTargetNodeId + consts.id.A, tmpTarget).offset().left)) {
              var xT = $("#" + tmpTargetNodeId + consts.id.A, tmpTarget);
              event.target = (xT.length > 0) ? xT.get(0) : event.target;
            } else if (tmpTarget) {
              tmpTarget.removeClass(consts.node.TMPTARGET_TREE);
              if (tmpTargetNodeId) $("#" + tmpTargetNodeId + consts.id.A, tmpTarget).removeClass(consts.node.TMPTARGET_NODE + "_" + consts.move.TYPE_PREV)
                .removeClass(consts.node.TMPTARGET_NODE + "_" + _consts.move.TYPE_NEXT).removeClass(consts.node.TMPTARGET_NODE + "_" + _consts.move.TYPE_INNER);
            }
            tmpTarget = null;
            tmpTargetNodeId = null;

            //judge drag & drop in multi ztree
            isOtherTree = false;
            targetSetting = setting;
            var settings = data.getSettings();
            for (var s in settings) {
              if (settings[s].treeId && settings[s].edit.enable && settings[s].treeId != setting.treeId
                && (event.target.id == settings[s].treeId || $(event.target).parents("#" + settings[s].treeId).length > 0)) {
                isOtherTree = true;
                targetSetting = settings[s];
              }
            }

            var docScrollTop = doc.scrollTop(),
              docScrollLeft = doc.scrollLeft(),
              treeOffset = targetSetting.treeObj.offset(),
              scrollHeight = targetSetting.treeObj.get(0).scrollHeight,
              scrollWidth = targetSetting.treeObj.get(0).scrollWidth,
              dTop = (event.clientY + docScrollTop - treeOffset.top),
              dBottom = (targetSetting.treeObj.height() + treeOffset.top - event.clientY - docScrollTop),
              dLeft = (event.clientX + docScrollLeft - treeOffset.left),
              dRight = (targetSetting.treeObj.width() + treeOffset.left - event.clientX - docScrollLeft),
              isTop = (dTop < setting.edit.drag.borderMax && dTop > setting.edit.drag.borderMin),
              isBottom = (dBottom < setting.edit.drag.borderMax && dBottom > setting.edit.drag.borderMin),
              isLeft = (dLeft < setting.edit.drag.borderMax && dLeft > setting.edit.drag.borderMin),
              isRight = (dRight < setting.edit.drag.borderMax && dRight > setting.edit.drag.borderMin),
              isTreeInner = dTop > setting.edit.drag.borderMin && dBottom > setting.edit.drag.borderMin && dLeft > setting.edit.drag.borderMin && dRight > setting.edit.drag.borderMin,
              isTreeTop = (isTop && targetSetting.treeObj.scrollTop() <= 0),
              isTreeBottom = (isBottom && (targetSetting.treeObj.scrollTop() + targetSetting.treeObj.height() + 10) >= scrollHeight),
              isTreeLeft = (isLeft && targetSetting.treeObj.scrollLeft() <= 0),
              isTreeRight = (isRight && (targetSetting.treeObj.scrollLeft() + targetSetting.treeObj.width() + 10) >= scrollWidth);

            if (event.target && tools.isChildOrSelf(event.target, targetSetting.treeId)) {
              //get node <li> dom
              var targetObj = event.target;
              while (targetObj && targetObj.tagName && !tools.eqs(targetObj.tagName, "li") && targetObj.id != targetSetting.treeId) {
                targetObj = targetObj.parentNode;
              }

              var canMove = true;
              //don't move to self or children of self
              for (i = 0, l = nodes.length; i < l; i++) {
                tmpNode = nodes[i];
                if (targetObj.id === tmpNode.tId) {
                  canMove = false;
                  break;
                } else if ($$(tmpNode, setting).find("#" + targetObj.id).length > 0) {
                  canMove = false;
                  break;
                }
              }
              if (canMove && event.target && tools.isChildOrSelf(event.target, targetObj.id + consts.id.A)) {
                tmpTarget = $(targetObj);
                tmpTargetNodeId = targetObj.id;
              }
            }

            //the mouse must be in zTree
            tmpNode = nodes[0];
            if (isTreeInner && tools.isChildOrSelf(event.target, targetSetting.treeId)) {
              //judge mouse move in root of ztree
              if (!tmpTarget && (event.target.id == targetSetting.treeId || isTreeTop || isTreeBottom || isTreeLeft || isTreeRight) && (isOtherTree || (!isOtherTree && tmpNode.parentTId))) {
                tmpTarget = targetSetting.treeObj;
              }
              //auto scroll top
              if (isTop) {
                targetSetting.treeObj.scrollTop(targetSetting.treeObj.scrollTop() - 10);
              } else if (isBottom) {
                targetSetting.treeObj.scrollTop(targetSetting.treeObj.scrollTop() + 10);
              }
              if (isLeft) {
                targetSetting.treeObj.scrollLeft(targetSetting.treeObj.scrollLeft() - 10);
              } else if (isRight) {
                targetSetting.treeObj.scrollLeft(targetSetting.treeObj.scrollLeft() + 10);
              }
              //auto scroll left
              if (tmpTarget && tmpTarget != targetSetting.treeObj && tmpTarget.offset().left < targetSetting.treeObj.offset().left) {
                targetSetting.treeObj.scrollLeft(targetSetting.treeObj.scrollLeft() + tmpTarget.offset().left - targetSetting.treeObj.offset().left);
              }
            }

            curNode.css({
              "top": (event.clientY + docScrollTop + 3) + "px",
              "left": (event.clientX + docScrollLeft + 3) + "px"
            });

            var dX = 0;
            var dY = 0;
            if (tmpTarget && tmpTarget.attr("id") != targetSetting.treeId) {
              var tmpTargetNode = tmpTargetNodeId == null ? null : data.getNodeCache(targetSetting, tmpTargetNodeId),
                isCopy = ((event.ctrlKey || event.metaKey) && setting.edit.drag.isMove && setting.edit.drag.isCopy) || (!setting.edit.drag.isMove && setting.edit.drag.isCopy),
                isPrev = !!(preNode && tmpTargetNodeId === preNode.tId),
                isNext = !!(nextNode && tmpTargetNodeId === nextNode.tId),
                isInner = (tmpNode.parentTId && tmpNode.parentTId == tmpTargetNodeId),
                canPrev = (isCopy || !isNext) && tools.apply(targetSetting.edit.drag.prev, [targetSetting.treeId, nodes, tmpTargetNode], !!targetSetting.edit.drag.prev),
                canNext = (isCopy || !isPrev) && tools.apply(targetSetting.edit.drag.next, [targetSetting.treeId, nodes, tmpTargetNode], !!targetSetting.edit.drag.next),
                canInner = (isCopy || !isInner) && !(targetSetting.data.keep.leaf && !data.nodeIsParent(setting, tmpTargetNode)) && tools.apply(targetSetting.edit.drag.inner, [targetSetting.treeId, nodes, tmpTargetNode], !!targetSetting.edit.drag.inner);

              function clearMove() {
                tmpTarget = null;
                tmpTargetNodeId = "";
                moveType = consts.move.TYPE_INNER;
                tmpArrow.css({
                  "display": "none"
                });
                if (window.zTreeMoveTimer) {
                  clearTimeout(window.zTreeMoveTimer);
                  window.zTreeMoveTargetNodeTId = null
                }
              }

              if (!canPrev && !canNext && !canInner) {
                clearMove();
              } else {
                var tmpTargetA = $("#" + tmpTargetNodeId + consts.id.A, tmpTarget),
                  tmpNextA = tmpTargetNode.isLastNode ? null : $("#" + tmpTargetNode.getNextNode().tId + consts.id.A, tmpTarget.next()),
                  tmpTop = tmpTargetA.offset().top,
                  tmpLeft = tmpTargetA.offset().left,
                  prevPercent = canPrev ? (canInner ? 0.25 : (canNext ? 0.5 : 1)) : -1,
                  nextPercent = canNext ? (canInner ? 0.75 : (canPrev ? 0.5 : 0)) : -1,
                  dY_percent = (event.clientY + docScrollTop - tmpTop) / tmpTargetA.height();

                if ((prevPercent == 1 || dY_percent <= prevPercent && dY_percent >= -.2) && canPrev) {
                  dX = 1 - tmpArrow.width();
                  dY = tmpTop - tmpArrow.height() / 2;
                  moveType = consts.move.TYPE_PREV;
                } else if ((nextPercent == 0 || dY_percent >= nextPercent && dY_percent <= 1.2) && canNext) {
                  dX = 1 - tmpArrow.width();
                  dY = (tmpNextA == null || (data.nodeIsParent(setting, tmpTargetNode) && tmpTargetNode.open)) ? (tmpTop + tmpTargetA.height() - tmpArrow.height() / 2) : (tmpNextA.offset().top - tmpArrow.height() / 2);
                  moveType = consts.move.TYPE_NEXT;
                } else if (canInner) {
                  dX = 5 - tmpArrow.width();
                  dY = tmpTop;
                  moveType = consts.move.TYPE_INNER;
                } else {
                  clearMove();
                }

                if (tmpTarget) {
                  tmpArrow.css({
                    "display": "block",
                    "top": dY + "px",
                    "left": (tmpLeft + dX) + "px"
                  });
                  tmpTargetA.addClass(consts.node.TMPTARGET_NODE + "_" + moveType);

                  if (preTmpTargetNodeId != tmpTargetNodeId || preTmpMoveType != moveType) {
                    startTime = (new Date()).getTime();
                  }
                  if (tmpTargetNode && data.nodeIsParent(setting, tmpTargetNode) && moveType == consts.move.TYPE_INNER) {
                    var startTimer = true;
                    if (window.zTreeMoveTimer && window.zTreeMoveTargetNodeTId !== tmpTargetNode.tId) {
                      clearTimeout(window.zTreeMoveTimer);
                      window.zTreeMoveTargetNodeTId = null;
                    } else if (window.zTreeMoveTimer && window.zTreeMoveTargetNodeTId === tmpTargetNode.tId) {
                      startTimer = false;
                    }
                    if (startTimer) {
                      window.zTreeMoveTimer = setTimeout(function () {
                        if (moveType != consts.move.TYPE_INNER) return;
                        if (tmpTargetNode && data.nodeIsParent(setting, tmpTargetNode) && !tmpTargetNode.open && (new Date()).getTime() - startTime > targetSetting.edit.drag.autoOpenTime
                          && tools.apply(targetSetting.callback.beforeDragOpen, [targetSetting.treeId, tmpTargetNode], true)) {
                          view.switchNode(targetSetting, tmpTargetNode);
                          if (targetSetting.edit.drag.autoExpandTrigger) {
                            targetSetting.treeObj.trigger(consts.event.EXPAND, [targetSetting.treeId, tmpTargetNode]);
                          }
                        }
                      }, targetSetting.edit.drag.autoOpenTime + 50);
                      window.zTreeMoveTargetNodeTId = tmpTargetNode.tId;
                    }
                  }
                }
              }
            } else {
              moveType = consts.move.TYPE_INNER;
              if (tmpTarget && tools.apply(targetSetting.edit.drag.inner, [targetSetting.treeId, nodes, null], !!targetSetting.edit.drag.inner)) {
                tmpTarget.addClass(consts.node.TMPTARGET_TREE);
              } else {
                tmpTarget = null;
              }
              tmpArrow.css({
                "display": "none"
              });
              if (window.zTreeMoveTimer) {
                clearTimeout(window.zTreeMoveTimer);
                window.zTreeMoveTargetNodeTId = null;
              }
            }
            preTmpTargetNodeId = tmpTargetNodeId;
            preTmpMoveType = moveType;

            setting.treeObj.trigger(consts.event.DRAGMOVE, [event, setting.treeId, nodes]);
          }
          return false;
        }

        doc.bind("mouseup", _docMouseUp);

        function _docMouseUp(event) {
          if (window.zTreeMoveTimer) {
            clearTimeout(window.zTreeMoveTimer);
            window.zTreeMoveTargetNodeTId = null;
          }
          preTmpTargetNodeId = null;
          preTmpMoveType = null;
          doc.unbind("mousemove", _docMouseMove);
          doc.unbind("mouseup", _docMouseUp);
          doc.unbind("selectstart", _docSelect);
          body.css("cursor", "");
          if (tmpTarget) {
            tmpTarget.removeClass(consts.node.TMPTARGET_TREE);
            if (tmpTargetNodeId) $("#" + tmpTargetNodeId + consts.id.A, tmpTarget).removeClass(consts.node.TMPTARGET_NODE + "_" + consts.move.TYPE_PREV)
              .removeClass(consts.node.TMPTARGET_NODE + "_" + _consts.move.TYPE_NEXT).removeClass(consts.node.TMPTARGET_NODE + "_" + _consts.move.TYPE_INNER);
          }
          tools.showIfameMask(setting, false);

          roots.showHoverDom = true;
          if (root.dragFlag == 0) return;
          root.dragFlag = 0;

          var i, l, tmpNode;
          for (i = 0, l = nodes.length; i < l; i++) {
            tmpNode = nodes[i];
            if (data.nodeIsParent(setting, tmpNode) && root.dragNodeShowBefore[tmpNode.tId] && !tmpNode.open) {
              view.expandCollapseNode(setting, tmpNode, !tmpNode.open);
              delete root.dragNodeShowBefore[tmpNode.tId];
            }
          }

          if (curNode) curNode.remove();
          if (tmpArrow) tmpArrow.remove();

          var isCopy = ((event.ctrlKey || event.metaKey) && setting.edit.drag.isMove && setting.edit.drag.isCopy) || (!setting.edit.drag.isMove && setting.edit.drag.isCopy);
          if (!isCopy && tmpTarget && tmpTargetNodeId && nodes[0].parentTId && tmpTargetNodeId == nodes[0].parentTId && moveType == consts.move.TYPE_INNER) {
            tmpTarget = null;
          }
          if (tmpTarget) {
            var dragTargetNode = tmpTargetNodeId == null ? null : data.getNodeCache(targetSetting, tmpTargetNodeId);
            if (tools.apply(setting.callback.beforeDrop, [targetSetting.treeId, nodes, dragTargetNode, moveType, isCopy], true) == false) {
              view.selectNodes(sourceSetting, nodes);
              return;
            }
            var newNodes = isCopy ? tools.clone(nodes) : nodes;

            function dropCallback() {
              if (isOtherTree) {
                if (!isCopy) {
                  for (var i = 0, l = nodes.length; i < l; i++) {
                    view.removeNode(setting, nodes[i]);
                  }
                }
                if (moveType == consts.move.TYPE_INNER) {
                  view.addNodes(targetSetting, dragTargetNode, -1, newNodes);
                } else {
                  view.addNodes(targetSetting, dragTargetNode.getParentNode(), moveType == consts.move.TYPE_PREV ? dragTargetNode.getIndex() : dragTargetNode.getIndex() + 1, newNodes);
                }
              } else {
                if (isCopy && moveType == consts.move.TYPE_INNER) {
                  view.addNodes(targetSetting, dragTargetNode, -1, newNodes);
                } else if (isCopy) {
                  view.addNodes(targetSetting, dragTargetNode.getParentNode(), moveType == consts.move.TYPE_PREV ? dragTargetNode.getIndex() : dragTargetNode.getIndex() + 1, newNodes);
                } else {
                  if (moveType != consts.move.TYPE_NEXT) {
                    for (i = 0, l = newNodes.length; i < l; i++) {
                      view.moveNode(targetSetting, dragTargetNode, newNodes[i], moveType, false);
                    }
                  } else {
                    for (i = -1, l = newNodes.length - 1; i < l; l--) {
                      view.moveNode(targetSetting, dragTargetNode, newNodes[l], moveType, false);
                    }
                  }
                }
              }
              view.selectNodes(targetSetting, newNodes);

              var a = $$(newNodes[0], setting).get(0);
              view.scrollIntoView(setting, a);

              setting.treeObj.trigger(consts.event.DROP, [event, targetSetting.treeId, newNodes, dragTargetNode, moveType, isCopy]);
            }

            if (moveType == consts.move.TYPE_INNER && tools.canAsync(targetSetting, dragTargetNode)) {
              view.asyncNode(targetSetting, dragTargetNode, false, dropCallback);
            } else {
              dropCallback();
            }

          } else {
            view.selectNodes(sourceSetting, nodes);
            setting.treeObj.trigger(consts.event.DROP, [event, setting.treeId, nodes, null, null, null]);
          }
        }

        doc.bind("selectstart", _docSelect);

        function _docSelect() {
          return false;
        }

        // 2018-03-30 FireFox has fixed this issue.
        //Avoid FireFox's Bug
        //If zTree Div CSS set 'overflow', so drag node outside of zTree, and event.target is error.
        // if(eventMouseDown.preventDefault) {
        // 	eventMouseDown.preventDefault();
        // }
        return true;
      }
    },
    //method of tools for zTree
    _tools = {
      getAbs: function (obj) {
        var oRect = obj.getBoundingClientRect(),
          scrollTop = document.body.scrollTop + document.documentElement.scrollTop,
          scrollLeft = document.body.scrollLeft + document.documentElement.scrollLeft;
        return [oRect.left + scrollLeft, oRect.top + scrollTop];
      },
      inputFocus: function (inputObj) {
        if (inputObj.get(0)) {
          inputObj.focus();
          tools.setCursorPosition(inputObj.get(0), inputObj.val().length);
        }
      },
      inputSelect: function (inputObj) {
        if (inputObj.get(0)) {
          inputObj.focus();
          inputObj.select();
        }
      },
      setCursorPosition: function (obj, pos) {
        if (obj.setSelectionRange) {
          obj.focus();
          obj.setSelectionRange(pos, pos);
        } else if (obj.createTextRange) {
          var range = obj.createTextRange();
          range.collapse(true);
          range.moveEnd('character', pos);
          range.moveStart('character', pos);
          range.select();
        }
      },
      showIfameMask: function (setting, showSign) {
        var root = data.getRoot(setting);
        //clear full mask
        while (root.dragMaskList.length > 0) {
          root.dragMaskList[0].remove();
          root.dragMaskList.shift();
        }
        if (showSign) {
          //show mask
          var iframeList = $$("iframe", setting);
          for (var i = 0, l = iframeList.length; i < l; i++) {
            var obj = iframeList.get(i),
              r = tools.getAbs(obj),
              dragMask = $$("<div id='zTreeMask_" + i + "' class='zTreeMask' style='top:" + r[1] + "px; left:" + r[0] + "px; width:" + obj.offsetWidth + "px; height:" + obj.offsetHeight + "px;'></div>", setting);
            dragMask.appendTo($$("body", setting));
            root.dragMaskList.push(dragMask);
          }
        }
      }
    },
    //method of operate ztree dom
    _view = {
      addEditBtn: function (setting, node) {
        if (node.editNameFlag || $$(node, consts.id.EDIT, setting).length > 0) {
          return;
        }
        if (!tools.apply(setting.edit.showRenameBtn, [setting.treeId, node], setting.edit.showRenameBtn)) {
          return;
        }
        var aObj = $$(node, consts.id.A, setting),
          editStr = "<span class='" + consts.className.BUTTON + " edit' id='" + node.tId + consts.id.EDIT + "' title='" + tools.apply(setting.edit.renameTitle, [setting.treeId, node], setting.edit.renameTitle) + "' treeNode" + consts.id.EDIT + " style='display:none;'></span>";
        aObj.append(editStr);

        $$(node, consts.id.EDIT, setting).bind('click',
          function () {
            if (!tools.uCanDo(setting) || tools.apply(setting.callback.beforeEditName, [setting.treeId, node], true) == false) return false;
            view.editNode(setting, node);
            return false;
          }
        ).show();
      },
      addRemoveBtn: function (setting, node) {
        if (node.editNameFlag || $$(node, consts.id.REMOVE, setting).length > 0) {
          return;
        }
        if (!tools.apply(setting.edit.showRemoveBtn, [setting.treeId, node], setting.edit.showRemoveBtn)) {
          return;
        }
        var aObj = $$(node, consts.id.A, setting),
          removeStr = "<span class='" + consts.className.BUTTON + " remove' id='" + node.tId + consts.id.REMOVE + "' title='" + tools.apply(setting.edit.removeTitle, [setting.treeId, node], setting.edit.removeTitle) + "' treeNode" + consts.id.REMOVE + " style='display:none;'></span>";
        aObj.append(removeStr);

        $$(node, consts.id.REMOVE, setting).bind('click',
          function () {
            if (!tools.uCanDo(setting) || tools.apply(setting.callback.beforeRemove, [setting.treeId, node], true) == false) return false;
            view.removeNode(setting, node);
            setting.treeObj.trigger(consts.event.REMOVE, [setting.treeId, node]);
            return false;
          }
        ).bind('mousedown',
          function (eventMouseDown) {
            return true;
          }
        ).show();
      },
      addHoverDom: function (setting, node) {
        if (data.getRoots().showHoverDom) {
          node.isHover = true;
          if (setting.edit.enable) {
            view.addEditBtn(setting, node);
            view.addRemoveBtn(setting, node);
          }
          tools.apply(setting.view.addHoverDom, [setting.treeId, node]);
        }
      },
      cancelCurEditNode: function (setting, forceName, isCancel) {
        var root = data.getRoot(setting),
          node = root.curEditNode;

        if (node) {
          var inputObj = root.curEditInput,
            newName = forceName ? forceName : (isCancel ? data.nodeName(setting, node) : inputObj.val());
          if (tools.apply(setting.callback.beforeRename, [setting.treeId, node, newName, isCancel], true) === false) {
            return false;
          }
          data.nodeName(setting, node, newName);
          var aObj = $$(node, consts.id.A, setting);
          aObj.removeClass(consts.node.CURSELECTED_EDIT);
          inputObj.unbind();
          view.setNodeName(setting, node);
          node.editNameFlag = false;
          root.curEditNode = null;
          root.curEditInput = null;
          view.selectNode(setting, node, false);
          setting.treeObj.trigger(consts.event.RENAME, [setting.treeId, node, isCancel]);
        }
        root.noSelection = true;
        return true;
      },
      editNode: function (setting, node) {
        var root = data.getRoot(setting);
        view.editNodeBlur = false;
        if (data.isSelectedNode(setting, node) && root.curEditNode == node && node.editNameFlag) {
          setTimeout(function () {
            tools.inputFocus(root.curEditInput);
          }, 0);
          return;
        }
        node.editNameFlag = true;
        view.removeTreeDom(setting, node);
        view.cancelCurEditNode(setting);
        view.selectNode(setting, node, false);
        $$(node, consts.id.SPAN, setting).html("<input type=text class='rename' id='" + node.tId + consts.id.INPUT + "' treeNode" + consts.id.INPUT + " >");
        var inputObj = $$(node, consts.id.INPUT, setting);
        inputObj.attr("value", data.nodeName(setting, node));
        if (setting.edit.editNameSelectAll) {
          tools.inputSelect(inputObj);
        } else {
          tools.inputFocus(inputObj);
        }

        inputObj.bind('blur', function (event) {
          if (!view.editNodeBlur) {
            view.cancelCurEditNode(setting);
          }
        }).bind('keydown', function (event) {
          if (event.keyCode == "13") {
            view.editNodeBlur = true;
            view.cancelCurEditNode(setting);
          } else if (event.keyCode == "27") {
            view.cancelCurEditNode(setting, null, true);
          }
        }).bind('click', function (event) {
          return false;
        }).bind('dblclick', function (event) {
          return false;
        });

        $$(node, consts.id.A, setting).addClass(consts.node.CURSELECTED_EDIT);
        root.curEditInput = inputObj;
        root.noSelection = false;
        root.curEditNode = node;
      },
      moveNode: function (setting, targetNode, node, moveType, animateFlag, isSilent) {
        var root = data.getRoot(setting);
        if (targetNode == node) return;
        if (setting.data.keep.leaf && targetNode && !data.nodeIsParent(setting, targetNode) && moveType == consts.move.TYPE_INNER) return;
        var oldParentNode = (node.parentTId ? node.getParentNode() : root),
          targetNodeIsRoot = (targetNode === null || targetNode == root);
        if (targetNodeIsRoot && targetNode === null) targetNode = root;
        if (targetNodeIsRoot) moveType = consts.move.TYPE_INNER;
        var targetParentNode = (targetNode.parentTId ? targetNode.getParentNode() : root);

        if (moveType != consts.move.TYPE_PREV && moveType != consts.move.TYPE_NEXT) {
          moveType = consts.move.TYPE_INNER;
        }

        if (moveType == consts.move.TYPE_INNER) {
          if (targetNodeIsRoot) {
            //parentTId of root node is null
            node.parentTId = null;
          } else {
            if (!data.nodeIsParent(setting, targetNode)) {
              data.nodeIsParent(setting, targetNode, true);
              targetNode.open = !!targetNode.open;
              view.setNodeLineIcos(setting, targetNode);
            }
            node.parentTId = targetNode.tId;
          }
        }

        //move node Dom
        var targetObj, target_ulObj;
        if (targetNodeIsRoot) {
          targetObj = setting.treeObj;
          target_ulObj = targetObj;
        } else {
          if (!isSilent && moveType == consts.move.TYPE_INNER) {
            view.expandCollapseNode(setting, targetNode, true, false);
          } else if (!isSilent) {
            view.expandCollapseNode(setting, targetNode.getParentNode(), true, false);
          }
          targetObj = $$(targetNode, setting);
          target_ulObj = $$(targetNode, consts.id.UL, setting);
          if (!!targetObj.get(0) && !target_ulObj.get(0)) {
            var ulstr = [];
            view.makeUlHtml(setting, targetNode, ulstr, '');
            targetObj.append(ulstr.join(''));
          }
          target_ulObj = $$(targetNode, consts.id.UL, setting);
        }
        var nodeDom = $$(node, setting);
        if (!nodeDom.get(0)) {
          nodeDom = view.appendNodes(setting, node.level, [node], null, -1, false, true).join('');
        } else if (!targetObj.get(0)) {
          nodeDom.remove();
        }
        if (target_ulObj.get(0) && moveType == consts.move.TYPE_INNER) {
          target_ulObj.append(nodeDom);
        } else if (targetObj.get(0) && moveType == consts.move.TYPE_PREV) {
          targetObj.before(nodeDom);
        } else if (targetObj.get(0) && moveType == consts.move.TYPE_NEXT) {
          targetObj.after(nodeDom);
        }

        //repair the data after move
        var i, l,
          tmpSrcIndex = -1,
          tmpTargetIndex = 0,
          oldNeighbor = null,
          newNeighbor = null,
          oldLevel = node.level;
        var oldChildren = data.nodeChildren(setting, oldParentNode);
        var targetParentChildren = data.nodeChildren(setting, targetParentNode);
        var targetChildren = data.nodeChildren(setting, targetNode);
        if (node.isFirstNode) {
          tmpSrcIndex = 0;
          if (oldChildren.length > 1) {
            oldNeighbor = oldChildren[1];
            oldNeighbor.isFirstNode = true;
          }
        } else if (node.isLastNode) {
          tmpSrcIndex = oldChildren.length - 1;
          oldNeighbor = oldChildren[tmpSrcIndex - 1];
          oldNeighbor.isLastNode = true;
        } else {
          for (i = 0, l = oldChildren.length; i < l; i++) {
            if (oldChildren[i].tId == node.tId) {
              tmpSrcIndex = i;
              break;
            }
          }
        }
        if (tmpSrcIndex >= 0) {
          oldChildren.splice(tmpSrcIndex, 1);
        }
        if (moveType != consts.move.TYPE_INNER) {
          for (i = 0, l = targetParentChildren.length; i < l; i++) {
            if (targetParentChildren[i].tId == targetNode.tId) tmpTargetIndex = i;
          }
        }
        if (moveType == consts.move.TYPE_INNER) {
          if (!targetChildren) {
            targetChildren = data.nodeChildren(setting, targetNode, []);
          }
          if (targetChildren.length > 0) {
            newNeighbor = targetChildren[targetChildren.length - 1];
            newNeighbor.isLastNode = false;
          }
          targetChildren.splice(targetChildren.length, 0, node);
          node.isLastNode = true;
          node.isFirstNode = (targetChildren.length == 1);
        } else if (targetNode.isFirstNode && moveType == consts.move.TYPE_PREV) {
          targetParentChildren.splice(tmpTargetIndex, 0, node);
          newNeighbor = targetNode;
          newNeighbor.isFirstNode = false;
          node.parentTId = targetNode.parentTId;
          node.isFirstNode = true;
          node.isLastNode = false;

        } else if (targetNode.isLastNode && moveType == consts.move.TYPE_NEXT) {
          targetParentChildren.splice(tmpTargetIndex + 1, 0, node);
          newNeighbor = targetNode;
          newNeighbor.isLastNode = false;
          node.parentTId = targetNode.parentTId;
          node.isFirstNode = false;
          node.isLastNode = true;

        } else {
          if (moveType == consts.move.TYPE_PREV) {
            targetParentChildren.splice(tmpTargetIndex, 0, node);
          } else {
            targetParentChildren.splice(tmpTargetIndex + 1, 0, node);
          }
          node.parentTId = targetNode.parentTId;
          node.isFirstNode = false;
          node.isLastNode = false;
        }
        data.fixPIdKeyValue(setting, node);
        data.setSonNodeLevel(setting, node.getParentNode(), node);

        //repair node what been moved
        view.setNodeLineIcos(setting, node);
        view.repairNodeLevelClass(setting, node, oldLevel);

        //repair node's old parentNode dom
        if (!setting.data.keep.parent && oldChildren.length < 1) {
          //old parentNode has no child nodes
          data.nodeIsParent(setting, oldParentNode, false);
          oldParentNode.open = false;
          var tmp_ulObj = $$(oldParentNode, consts.id.UL, setting),
            tmp_switchObj = $$(oldParentNode, consts.id.SWITCH, setting),
            tmp_icoObj = $$(oldParentNode, consts.id.ICON, setting);
          view.replaceSwitchClass(oldParentNode, tmp_switchObj, consts.folder.DOCU);
          view.replaceIcoClass(oldParentNode, tmp_icoObj, consts.folder.DOCU);
          tmp_ulObj.css("display", "none");

        } else if (oldNeighbor) {
          //old neigbor node
          view.setNodeLineIcos(setting, oldNeighbor);
        }

        //new neigbor node
        if (newNeighbor) {
          view.setNodeLineIcos(setting, newNeighbor);
        }

        //repair checkbox / radio
        if (!!setting.check && setting.check.enable && view.repairChkClass) {
          view.repairChkClass(setting, oldParentNode);
          view.repairParentChkClassWithSelf(setting, oldParentNode);
          if (oldParentNode != node.parent)
            view.repairParentChkClassWithSelf(setting, node);
        }

        //expand parents after move
        if (!isSilent) {
          view.expandCollapseParentNode(setting, node.getParentNode(), true, animateFlag);
        }
      },
      removeEditBtn: function (setting, node) {
        $$(node, consts.id.EDIT, setting).unbind().remove();
      },
      removeRemoveBtn: function (setting, node) {
        $$(node, consts.id.REMOVE, setting).unbind().remove();
      },
      removeTreeDom: function (setting, node) {
        node.isHover = false;
        view.removeEditBtn(setting, node);
        view.removeRemoveBtn(setting, node);
        tools.apply(setting.view.removeHoverDom, [setting.treeId, node]);
      },
      repairNodeLevelClass: function (setting, node, oldLevel) {
        if (oldLevel === node.level) return;
        var liObj = $$(node, setting),
          aObj = $$(node, consts.id.A, setting),
          ulObj = $$(node, consts.id.UL, setting),
          oldClass = consts.className.LEVEL + oldLevel,
          newClass = consts.className.LEVEL + node.level;
        liObj.removeClass(oldClass);
        liObj.addClass(newClass);
        aObj.removeClass(oldClass);
        aObj.addClass(newClass);
        ulObj.removeClass(oldClass);
        ulObj.addClass(newClass);
      },
      selectNodes: function (setting, nodes) {
        for (var i = 0, l = nodes.length; i < l; i++) {
          view.selectNode(setting, nodes[i], i > 0);
        }
      }
    },

    _z = {
      tools: _tools,
      view: _view,
      event: _event,
      data: _data
    };
  $.extend(true, $.fn.zTree.consts, _consts);
  $.extend(true, $.fn.zTree._z, _z);

  var zt = $.fn.zTree,
    tools = zt._z.tools,
    consts = zt.consts,
    view = zt._z.view,
    data = zt._z.data,
    event = zt._z.event,
    $$ = tools.$;

  data.exSetting(_setting);
  data.addInitBind(_bindEvent);
  data.addInitUnBind(_unbindEvent);
  data.addInitCache(_initCache);
  data.addInitNode(_initNode);
  data.addInitProxy(_eventProxy);
  data.addInitRoot(_initRoot);
  data.addZTreeTools(_zTreeTools);

  var _cancelPreSelectedNode = view.cancelPreSelectedNode;
  view.cancelPreSelectedNode = function (setting, node) {
    var list = data.getRoot(setting).curSelectedList;
    for (var i = 0, j = list.length; i < j; i++) {
      if (!node || node === list[i]) {
        view.removeTreeDom(setting, list[i]);
        if (node) break;
      }
    }
    if (_cancelPreSelectedNode) _cancelPreSelectedNode.apply(view, arguments);
  }

  var _createNodes = view.createNodes;
  view.createNodes = function (setting, level, nodes, parentNode, index) {
    if (_createNodes) {
      _createNodes.apply(view, arguments);
    }
    if (!nodes) return;
    if (view.repairParentChkClassWithSelf) {
      view.repairParentChkClassWithSelf(setting, parentNode);
    }
  }

  var _makeNodeUrl = view.makeNodeUrl;
  view.makeNodeUrl = function (setting, node) {
    return setting.edit.enable ? null : (_makeNodeUrl.apply(view, arguments));
  }

  var _removeNode = view.removeNode;
  view.removeNode = function (setting, node) {
    var root = data.getRoot(setting);
    if (root.curEditNode === node) root.curEditNode = null;
    if (_removeNode) {
      _removeNode.apply(view, arguments);
    }
  }

  var _selectNode = view.selectNode;
  view.selectNode = function (setting, node, addFlag) {
    var root = data.getRoot(setting);
    if (data.isSelectedNode(setting, node) && root.curEditNode == node && node.editNameFlag) {
      return false;
    }
    if (_selectNode) _selectNode.apply(view, arguments);
    view.addHoverDom(setting, node);
    return true;
  }

  var _uCanDo = tools.uCanDo;
  tools.uCanDo = function (setting, e) {
    var root = data.getRoot(setting);
    if (e && (tools.eqs(e.type, "mouseover") || tools.eqs(e.type, "mouseout") || tools.eqs(e.type, "mousedown") || tools.eqs(e.type, "mouseup"))) {
      return true;
    }
    if (root.curEditNode) {
      view.editNodeBlur = false;
      root.curEditInput.focus();
    }
    return (!root.curEditNode) && (_uCanDo ? _uCanDo.apply(view, arguments) : true);
  }
})(jQuery);