src/main/jbake/assets/js/tree.jquery.js

/*
JqTree 1.3.2

Copyright 2015 Marco Braak

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
var $, DragAndDropHandler, DragElement, HitAreasGenerator, Position, VisibleNodeIterator, node_module,
  extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
  hasProp = {}.hasOwnProperty;

node_module = require('./node');

Position = node_module.Position;

$ = jQuery;

DragAndDropHandler = (function() {
  function DragAndDropHandler(tree_widget) {
    this.tree_widget = tree_widget;
    this.hovered_area = null;
    this.$ghost = null;
    this.hit_areas = [];
    this.is_dragging = false;
    this.current_item = null;
  }

  DragAndDropHandler.prototype.mouseCapture = function(position_info) {
    var $element, node_element;
    $element = $(position_info.target);
    if (!this.mustCaptureElement($element)) {
      return null;
    }
    if (this.tree_widget.options.onIsMoveHandle && !this.tree_widget.options.onIsMoveHandle($element)) {
      return null;
    }
    node_element = this.tree_widget._getNodeElement($element);
    if (node_element && this.tree_widget.options.onCanMove) {
      if (!this.tree_widget.options.onCanMove(node_element.node)) {
        node_element = null;
      }
    }
    this.current_item = node_element;
    return this.current_item !== null;
  };

  DragAndDropHandler.prototype.mouseStart = function(position_info) {
    var offset;
    this.refresh();
    offset = $(position_info.target).offset();
    this.drag_element = new DragElement(this.current_item.node, position_info.page_x - offset.left, position_info.page_y - offset.top, this.tree_widget.element);
    this.is_dragging = true;
    this.current_item.$element.addClass('jqtree-moving');
    return true;
  };

  DragAndDropHandler.prototype.mouseDrag = function(position_info) {
    var area, can_move_to;
    this.drag_element.move(position_info.page_x, position_info.page_y);
    area = this.findHoveredArea(position_info.page_x, position_info.page_y);
    can_move_to = this.canMoveToArea(area);
    if (can_move_to && area) {
      if (!area.node.isFolder()) {
        this.stopOpenFolderTimer();
      }
      if (this.hovered_area !== area) {
        this.hovered_area = area;
        if (this.mustOpenFolderTimer(area)) {
          this.startOpenFolderTimer(area.node);
        } else {
          this.stopOpenFolderTimer();
        }
        this.updateDropHint();
      }
    } else {
      this.removeHover();
      this.removeDropHint();
      this.stopOpenFolderTimer();
    }
    if (!area) {
      if (this.tree_widget.options.onDragMove != null) {
        this.tree_widget.options.onDragMove(this.current_item.node, position_info.original_event);
      }
    }
    return true;
  };

  DragAndDropHandler.prototype.mustCaptureElement = function($element) {
    return !$element.is('input,select');
  };

  DragAndDropHandler.prototype.canMoveToArea = function(area) {
    var position_name;
    if (!area) {
      return false;
    } else if (this.tree_widget.options.onCanMoveTo) {
      position_name = Position.getName(area.position);
      return this.tree_widget.options.onCanMoveTo(this.current_item.node, area.node, position_name);
    } else {
      return true;
    }
  };

  DragAndDropHandler.prototype.mouseStop = function(position_info) {
    var current_item;
    this.moveItem(position_info);
    this.clear();
    this.removeHover();
    this.removeDropHint();
    this.removeHitAreas();
    current_item = this.current_item;
    if (this.current_item) {
      this.current_item.$element.removeClass('jqtree-moving');
      this.current_item = null;
    }
    this.is_dragging = false;
    if (!this.hovered_area && current_item) {
      if (this.tree_widget.options.onDragStop != null) {
        this.tree_widget.options.onDragStop(current_item.node, position_info.original_event);
      }
    }
    return false;
  };

  DragAndDropHandler.prototype.refresh = function() {
    this.removeHitAreas();
    if (this.current_item) {
      this.generateHitAreas();
      this.current_item = this.tree_widget._getNodeElementForNode(this.current_item.node);
      if (this.is_dragging) {
        return this.current_item.$element.addClass('jqtree-moving');
      }
    }
  };

  DragAndDropHandler.prototype.removeHitAreas = function() {
    return this.hit_areas = [];
  };

  DragAndDropHandler.prototype.clear = function() {
    this.drag_element.remove();
    return this.drag_element = null;
  };

  DragAndDropHandler.prototype.removeDropHint = function() {
    if (this.previous_ghost) {
      return this.previous_ghost.remove();
    }
  };

  DragAndDropHandler.prototype.removeHover = function() {
    return this.hovered_area = null;
  };

  DragAndDropHandler.prototype.generateHitAreas = function() {
    var hit_areas_generator;
    hit_areas_generator = new HitAreasGenerator(this.tree_widget.tree, this.current_item.node, this.getTreeDimensions().bottom);
    return this.hit_areas = hit_areas_generator.generate();
  };

  DragAndDropHandler.prototype.findHoveredArea = function(x, y) {
    var area, dimensions, high, low, mid;
    dimensions = this.getTreeDimensions();
    if (x < dimensions.left || y < dimensions.top || x > dimensions.right || y > dimensions.bottom) {
      return null;
    }
    low = 0;
    high = this.hit_areas.length;
    while (low < high) {
      mid = (low + high) >> 1;
      area = this.hit_areas[mid];
      if (y < area.top) {
        high = mid;
      } else if (y > area.bottom) {
        low = mid + 1;
      } else {
        return area;
      }
    }
    return null;
  };

  DragAndDropHandler.prototype.mustOpenFolderTimer = function(area) {
    var node;
    node = area.node;
    return node.isFolder() && !node.is_open && area.position === Position.INSIDE;
  };

  DragAndDropHandler.prototype.updateDropHint = function() {
    var node_element;
    if (!this.hovered_area) {
      return;
    }
    this.removeDropHint();
    node_element = this.tree_widget._getNodeElementForNode(this.hovered_area.node);
    return this.previous_ghost = node_element.addDropHint(this.hovered_area.position);
  };

  DragAndDropHandler.prototype.startOpenFolderTimer = function(folder) {
    var openFolder;
    openFolder = (function(_this) {
      return function() {
        return _this.tree_widget._openNode(folder, _this.tree_widget.options.slide, function() {
          _this.refresh();
          return _this.updateDropHint();
        });
      };
    })(this);
    this.stopOpenFolderTimer();
    return this.open_folder_timer = setTimeout(openFolder, this.tree_widget.options.openFolderDelay);
  };

  DragAndDropHandler.prototype.stopOpenFolderTimer = function() {
    if (this.open_folder_timer) {
      clearTimeout(this.open_folder_timer);
      return this.open_folder_timer = null;
    }
  };

  DragAndDropHandler.prototype.moveItem = function(position_info) {
    var doMove, event, moved_node, position, previous_parent, target_node;
    if (this.hovered_area && this.hovered_area.position !== Position.NONE && this.canMoveToArea(this.hovered_area)) {
      moved_node = this.current_item.node;
      target_node = this.hovered_area.node;
      position = this.hovered_area.position;
      previous_parent = moved_node.parent;
      if (position === Position.INSIDE) {
        this.hovered_area.node.is_open = true;
      }
      doMove = (function(_this) {
        return function() {
          _this.tree_widget.tree.moveNode(moved_node, target_node, position);
          _this.tree_widget.element.empty();
          return _this.tree_widget._refreshElements();
        };
      })(this);
      event = this.tree_widget._triggerEvent('tree.move', {
        move_info: {
          moved_node: moved_node,
          target_node: target_node,
          position: Position.getName(position),
          previous_parent: previous_parent,
          do_move: doMove,
          original_event: position_info.original_event
        }
      });
      if (!event.isDefaultPrevented()) {
        return doMove();
      }
    }
  };

  DragAndDropHandler.prototype.getTreeDimensions = function() {
    var offset;
    offset = this.tree_widget.element.offset();
    return {
      left: offset.left,
      top: offset.top,
      right: offset.left + this.tree_widget.element.width(),
      bottom: offset.top + this.tree_widget.element.height() + 16
    };
  };

  return DragAndDropHandler;

})();

VisibleNodeIterator = (function() {
  function VisibleNodeIterator(tree) {
    this.tree = tree;
  }

  VisibleNodeIterator.prototype.iterate = function() {
    var _iterateNode, is_first_node;
    is_first_node = true;
    _iterateNode = (function(_this) {
      return function(node, next_node) {
        var $element, child, children_length, i, j, len, must_iterate_inside, ref;
        must_iterate_inside = (node.is_open || !node.element) && node.hasChildren();
        if (node.element) {
          $element = $(node.element);
          if (!$element.is(':visible')) {
            return;
          }
          if (is_first_node) {
            _this.handleFirstNode(node, $element);
            is_first_node = false;
          }
          if (!node.hasChildren()) {
            _this.handleNode(node, next_node, $element);
          } else if (node.is_open) {
            if (!_this.handleOpenFolder(node, $element)) {
              must_iterate_inside = false;
            }
          } else {
            _this.handleClosedFolder(node, next_node, $element);
          }
        }
        if (must_iterate_inside) {
          children_length = node.children.length;
          ref = node.children;
          for (i = j = 0, len = ref.length; j < len; i = ++j) {
            child = ref[i];
            if (i === (children_length - 1)) {
              _iterateNode(node.children[i], null);
            } else {
              _iterateNode(node.children[i], node.children[i + 1]);
            }
          }
          if (node.is_open) {
            return _this.handleAfterOpenFolder(node, next_node, $element);
          }
        }
      };
    })(this);
    return _iterateNode(this.tree, null);
  };

  VisibleNodeIterator.prototype.handleNode = function(node, next_node, $element) {};

  VisibleNodeIterator.prototype.handleOpenFolder = function(node, $element) {};

  VisibleNodeIterator.prototype.handleClosedFolder = function(node, next_node, $element) {};

  VisibleNodeIterator.prototype.handleAfterOpenFolder = function(node, next_node, $element) {};

  VisibleNodeIterator.prototype.handleFirstNode = function(node, $element) {};

  return VisibleNodeIterator;

})();

HitAreasGenerator = (function(superClass) {
  extend(HitAreasGenerator, superClass);

  function HitAreasGenerator(tree, current_node, tree_bottom) {
    HitAreasGenerator.__super__.constructor.call(this, tree);
    this.current_node = current_node;
    this.tree_bottom = tree_bottom;
  }

  HitAreasGenerator.prototype.generate = function() {
    this.positions = [];
    this.last_top = 0;
    this.iterate();
    return this.generateHitAreas(this.positions);
  };

  HitAreasGenerator.prototype.getTop = function($element) {
    return $element.offset().top;
  };

  HitAreasGenerator.prototype.addPosition = function(node, position, top) {
    var area;
    area = {
      top: top,
      node: node,
      position: position
    };
    this.positions.push(area);
    return this.last_top = top;
  };

  HitAreasGenerator.prototype.handleNode = function(node, next_node, $element) {
    var top;
    top = this.getTop($element);
    if (node === this.current_node) {
      this.addPosition(node, Position.NONE, top);
    } else {
      this.addPosition(node, Position.INSIDE, top);
    }
    if (next_node === this.current_node || node === this.current_node) {
      return this.addPosition(node, Position.NONE, top);
    } else {
      return this.addPosition(node, Position.AFTER, top);
    }
  };

  HitAreasGenerator.prototype.handleOpenFolder = function(node, $element) {
    if (node === this.current_node) {
      return false;
    }
    if (node.children[0] !== this.current_node) {
      this.addPosition(node, Position.INSIDE, this.getTop($element));
    }
    return true;
  };

  HitAreasGenerator.prototype.handleClosedFolder = function(node, next_node, $element) {
    var top;
    top = this.getTop($element);
    if (node === this.current_node) {
      return this.addPosition(node, Position.NONE, top);
    } else {
      this.addPosition(node, Position.INSIDE, top);
      if (next_node !== this.current_node) {
        return this.addPosition(node, Position.AFTER, top);
      }
    }
  };

  HitAreasGenerator.prototype.handleFirstNode = function(node, $element) {
    if (node !== this.current_node) {
      return this.addPosition(node, Position.BEFORE, this.getTop($(node.element)));
    }
  };

  HitAreasGenerator.prototype.handleAfterOpenFolder = function(node, next_node, $element) {
    if (node === this.current_node.node || next_node === this.current_node.node) {
      return this.addPosition(node, Position.NONE, this.last_top);
    } else {
      return this.addPosition(node, Position.AFTER, this.last_top);
    }
  };

  HitAreasGenerator.prototype.generateHitAreas = function(positions) {
    var group, hit_areas, j, len, position, previous_top;
    previous_top = -1;
    group = [];
    hit_areas = [];
    for (j = 0, len = positions.length; j < len; j++) {
      position = positions[j];
      if (position.top !== previous_top && group.length) {
        if (group.length) {
          this.generateHitAreasForGroup(hit_areas, group, previous_top, position.top);
        }
        previous_top = position.top;
        group = [];
      }
      group.push(position);
    }
    this.generateHitAreasForGroup(hit_areas, group, previous_top, this.tree_bottom);
    return hit_areas;
  };

  HitAreasGenerator.prototype.generateHitAreasForGroup = function(hit_areas, positions_in_group, top, bottom) {
    var area_height, area_top, i, position, position_count;
    position_count = Math.min(positions_in_group.length, 4);
    area_height = Math.round((bottom - top) / position_count);
    area_top = top;
    i = 0;
    while (i < position_count) {
      position = positions_in_group[i];
      hit_areas.push({
        top: area_top,
        bottom: area_top + area_height,
        node: position.node,
        position: position.position
      });
      area_top += area_height;
      i += 1;
    }
    return null;
  };

  return HitAreasGenerator;

})(VisibleNodeIterator);

DragElement = (function() {
  function DragElement(node, offset_x, offset_y, $tree) {
    this.offset_x = offset_x;
    this.offset_y = offset_y;
    this.$element = $("<span class=\"jqtree-title jqtree-dragging\">" + node.name + "</span>");
    this.$element.css("position", "absolute");
    $tree.append(this.$element);
  }

  DragElement.prototype.move = function(page_x, page_y) {
    return this.$element.offset({
      left: page_x - this.offset_x,
      top: page_y - this.offset_y
    });
  };

  DragElement.prototype.remove = function() {
    return this.$element.remove();
  };

  return DragElement;

})();

module.exports = {
  DragAndDropHandler: DragAndDropHandler,
  DragElement: DragElement,
  HitAreasGenerator: HitAreasGenerator
};

},{"./node":5}],2:[function(require,module,exports){
var $, ElementsRenderer, NodeElement, html_escape, node_element, util;

node_element = require('./node_element');

NodeElement = node_element.NodeElement;

util = require('./util');

html_escape = util.html_escape;

$ = jQuery;

ElementsRenderer = (function() {
  function ElementsRenderer(tree_widget) {
    this.tree_widget = tree_widget;
    this.opened_icon_element = this.createButtonElement(tree_widget.options.openedIcon);
    this.closed_icon_element = this.createButtonElement(tree_widget.options.closedIcon);
  }

  ElementsRenderer.prototype.render = function(from_node) {
    if (from_node && from_node.parent) {
      return this.renderFromNode(from_node);
    } else {
      return this.renderFromRoot();
    }
  };

  ElementsRenderer.prototype.renderFromRoot = function() {
    var $element;
    $element = this.tree_widget.element;
    $element.empty();
    return this.createDomElements($element[0], this.tree_widget.tree.children, true, true, 1);
  };

  ElementsRenderer.prototype.renderFromNode = function(node) {
    var $previous_li, li;
    $previous_li = $(node.element);
    li = this.createLi(node);
    this.attachNodeData(node, li);
    $previous_li.after(li);
    $previous_li.remove();
    if (node.children) {
      return this.createDomElements(li, node.children, false, false, node.getLevel());
    }
  };

  ElementsRenderer.prototype.createDomElements = function(element, children, is_root_node, is_open, level) {
    var child, i, len, li, ul;
    ul = this.createUl(is_root_node);
    element.appendChild(ul);
    for (i = 0, len = children.length; i < len; i++) {
      child = children[i];
      li = this.createLi(child, level);
      ul.appendChild(li);
      this.attachNodeData(child, li);
      if (child.hasChildren()) {
        this.createDomElements(li, child.children, false, child.is_open, level + 1);
      }
    }
    return null;
  };

  ElementsRenderer.prototype.attachNodeData = function(node, li) {
    node.element = li;
    return $(li).data('node', node);
  };

  ElementsRenderer.prototype.createUl = function(is_root_node) {
    var class_string, role, ul;
    if (!is_root_node) {
      class_string = '';
      role = 'group';
    } else {
      class_string = 'jqtree-tree';
      role = 'tree';
      if (this.tree_widget.options.rtl) {
        class_string += ' jqtree-rtl';
      }
    }
    ul = document.createElement('ul');
    ul.className = "jqtree_common " + class_string;
    ul.setAttribute('role', role);
    return ul;
  };

  ElementsRenderer.prototype.createLi = function(node, level) {
    var is_selected, li;
    is_selected = this.tree_widget.select_node_handler && this.tree_widget.select_node_handler.isNodeSelected(node);
    if (node.isFolder()) {
      li = this.createFolderLi(node, level, is_selected);
    } else {
      li = this.createNodeLi(node, level, is_selected);
    }
    if (this.tree_widget.options.onCreateLi) {
      this.tree_widget.options.onCreateLi(node, $(li));
    }
    return li;
  };

  ElementsRenderer.prototype.createFolderLi = function(node, level, is_selected) {
    var button_classes, button_link, div, folder_classes, icon_element, is_folder, li;
    button_classes = this.getButtonClasses(node);
    folder_classes = this.getFolderClasses(node, is_selected);
    if (node.is_open) {
      icon_element = this.opened_icon_element;
    } else {
      icon_element = this.closed_icon_element;
    }
    li = document.createElement('li');
    li.className = "jqtree_common " + folder_classes;
    li.setAttribute('role', 'presentation');
    div = document.createElement('div');
    div.className = "jqtree-element jqtree_common";
    div.setAttribute('role', 'presentation');
    li.appendChild(div);
    button_link = document.createElement('a');
    button_link.className = button_classes;
    button_link.appendChild(icon_element.cloneNode(false));
    button_link.setAttribute('role', 'presentation');
    button_link.setAttribute('aria-hidden', 'true');
    if (this.tree_widget.options.buttonLeft) {
      div.appendChild(button_link);
    }
    div.appendChild(this.createTitleSpan(node.name, level, is_selected, node.is_open, is_folder = true));
    if (!this.tree_widget.options.buttonLeft) {
      div.appendChild(button_link);
    }
    return li;
  };

  ElementsRenderer.prototype.createNodeLi = function(node, level, is_selected) {
    var class_string, div, is_folder, li, li_classes;
    li_classes = ['jqtree_common'];
    if (is_selected) {
      li_classes.push('jqtree-selected');
    }
    class_string = li_classes.join(' ');
    li = document.createElement('li');
    li.className = class_string;
    li.setAttribute('role', 'presentation');
    div = document.createElement('div');
    div.className = "jqtree-element jqtree_common";
    div.setAttribute('role', 'presentation');
    li.appendChild(div);
    div.appendChild(this.createTitleSpan(node.name, level, is_selected, node.is_open, is_folder = false));
    return li;
  };

  ElementsRenderer.prototype.createTitleSpan = function(node_name, level, is_selected, is_open, is_folder) {
    var classes, title_span;
    title_span = document.createElement('span');
    classes = "jqtree-title jqtree_common";
    if (is_folder) {
      classes += " jqtree-title-folder";
    }
    title_span.className = classes;
    title_span.setAttribute('role', 'treeitem');
    title_span.setAttribute('aria-level', level);
    title_span.setAttribute('aria-selected', util.getBoolString(is_selected));
    title_span.setAttribute('aria-expanded', util.getBoolString(is_open));
    if (is_selected) {
      title_span.setAttribute('tabindex', 0);
    }
    title_span.innerHTML = this.escapeIfNecessary(node_name);
    return title_span;
  };

  ElementsRenderer.prototype.getButtonClasses = function(node) {
    var classes;
    classes = ['jqtree-toggler', 'jqtree_common'];
    if (!node.is_open) {
      classes.push('jqtree-closed');
    }
    if (this.tree_widget.options.buttonLeft) {
      classes.push('jqtree-toggler-left');
    } else {
      classes.push('jqtree-toggler-right');
    }
    return classes.join(' ');
  };

  ElementsRenderer.prototype.getFolderClasses = function(node, is_selected) {
    var classes;
    classes = ['jqtree-folder'];
    if (!node.is_open) {
      classes.push('jqtree-closed');
    }
    if (is_selected) {
      classes.push('jqtree-selected');
    }
    if (node.is_loading) {
      classes.push('jqtree-loading');
    }
    return classes.join(' ');
  };

  ElementsRenderer.prototype.escapeIfNecessary = function(value) {
    if (this.tree_widget.options.autoEscape) {
      return html_escape(value);
    } else {
      return value;
    }
  };

  ElementsRenderer.prototype.createButtonElement = function(value) {
    var div;
    if (typeof value === 'string') {
      div = document.createElement('div');
      div.innerHTML = value;
      return document.createTextNode(div.innerHTML);
    } else {
      return $(value)[0];
    }
  };

  return ElementsRenderer;

})();

module.exports = ElementsRenderer;

},{"./node_element":6,"./util":12}],3:[function(require,module,exports){
var $, KeyHandler,
  bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };

$ = jQuery;

KeyHandler = (function() {
  var DOWN, LEFT, RIGHT, UP;

  LEFT = 37;

  UP = 38;

  RIGHT = 39;

  DOWN = 40;

  function KeyHandler(tree_widget) {
    this.selectNode = bind(this.selectNode, this);
    this.tree_widget = tree_widget;
    if (tree_widget.options.keyboardSupport) {
      $(document).bind('keydown.jqtree', $.proxy(this.handleKeyDown, this));
    }
  }

  KeyHandler.prototype.deinit = function() {
    return $(document).unbind('keydown.jqtree');
  };

  KeyHandler.prototype.moveDown = function() {
    var node;
    node = this.tree_widget.getSelectedNode();
    if (node) {
      return this.selectNode(node.getNextNode());
    } else {
      return false;
    }
  };

  KeyHandler.prototype.moveUp = function() {
    var node;
    node = this.tree_widget.getSelectedNode();
    if (node) {
      return this.selectNode(node.getPreviousNode());
    } else {
      return false;
    }
  };

  KeyHandler.prototype.moveRight = function() {
    var node;
    node = this.tree_widget.getSelectedNode();
    if (!node) {
      return true;
    } else if (!node.isFolder()) {
      return true;
    } else {
      if (node.is_open) {
        return this.selectNode(node.getNextNode());
      } else {
        this.tree_widget.openNode(node);
        return false;
      }
    }
  };

  KeyHandler.prototype.moveLeft = function() {
    var node;
    node = this.tree_widget.getSelectedNode();
    if (!node) {
      return true;
    } else if (node.isFolder() && node.is_open) {
      this.tree_widget.closeNode(node);
      return false;
    } else {
      return this.selectNode(node.getParent());
    }
  };

  KeyHandler.prototype.handleKeyDown = function(e) {
    var key;
    if (!this.tree_widget.options.keyboardSupport) {
      return true;
    }
    if ($(document.activeElement).is('textarea,input,select')) {
      return true;
    }
    if (!this.tree_widget.getSelectedNode()) {
      return true;
    }
    key = e.which;
    switch (key) {
      case DOWN:
        return this.moveDown();
      case UP:
        return this.moveUp();
      case RIGHT:
        return this.moveRight();
      case LEFT:
        return this.moveLeft();
    }
    return true;
  };

  KeyHandler.prototype.selectNode = function(node) {
    if (!node) {
      return true;
    } else {
      this.tree_widget.selectNode(node);
      if (this.tree_widget.scroll_handler && (!this.tree_widget.scroll_handler.isScrolledIntoView($(node.element).find('.jqtree-element')))) {
        this.tree_widget.scrollToNode(node);
      }
      return false;
    }
  };

  return KeyHandler;

})();

module.exports = KeyHandler;

},{}],4:[function(require,module,exports){

/*
This widget does the same a the mouse widget in jqueryui.
 */
var $, MouseWidget, SimpleWidget,
  extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
  hasProp = {}.hasOwnProperty;

SimpleWidget = require('./simple.widget');

$ = jQuery;

MouseWidget = (function(superClass) {
  extend(MouseWidget, superClass);

  function MouseWidget() {
    return MouseWidget.__super__.constructor.apply(this, arguments);
  }

  MouseWidget.is_mouse_handled = false;

  MouseWidget.prototype._init = function() {
    this.$el.bind('mousedown.mousewidget', $.proxy(this._mouseDown, this));
    this.$el.bind('touchstart.mousewidget', $.proxy(this._touchStart, this));
    this.is_mouse_started = false;
    this.mouse_delay = 0;
    this._mouse_delay_timer = null;
    this._is_mouse_delay_met = true;
    return this.mouse_down_info = null;
  };

  MouseWidget.prototype._deinit = function() {
    var $document;
    this.$el.unbind('mousedown.mousewidget');
    this.$el.unbind('touchstart.mousewidget');
    $document = $(document);
    $document.unbind('mousemove.mousewidget');
    return $document.unbind('mouseup.mousewidget');
  };

  MouseWidget.prototype._mouseDown = function(e) {
    var result;
    if (e.which !== 1) {
      return;
    }
    result = this._handleMouseDown(e, this._getPositionInfo(e));
    if (result) {
      e.preventDefault();
    }
    return result;
  };

  MouseWidget.prototype._handleMouseDown = function(e, position_info) {
    if (MouseWidget.is_mouse_handled) {
      return;
    }
    if (this.is_mouse_started) {
      this._handleMouseUp(position_info);
    }
    this.mouse_down_info = position_info;
    if (!this._mouseCapture(position_info)) {
      return;
    }
    this._handleStartMouse();
    this.is_mouse_handled = true;
    return true;
  };

  MouseWidget.prototype._handleStartMouse = function() {
    var $document;
    $document = $(document);
    $document.bind('mousemove.mousewidget', $.proxy(this._mouseMove, this));
    $document.bind('touchmove.mousewidget', $.proxy(this._touchMove, this));
    $document.bind('mouseup.mousewidget', $.proxy(this._mouseUp, this));
    $document.bind('touchend.mousewidget', $.proxy(this._touchEnd, this));
    if (this.mouse_delay) {
      return this._startMouseDelayTimer();
    }
  };

  MouseWidget.prototype._startMouseDelayTimer = function() {
    if (this._mouse_delay_timer) {
      clearTimeout(this._mouse_delay_timer);
    }
    this._mouse_delay_timer = setTimeout((function(_this) {
      return function() {
        return _this._is_mouse_delay_met = true;
      };
    })(this), this.mouse_delay);
    return this._is_mouse_delay_met = false;
  };

  MouseWidget.prototype._mouseMove = function(e) {
    return this._handleMouseMove(e, this._getPositionInfo(e));
  };

  MouseWidget.prototype._handleMouseMove = function(e, position_info) {
    if (this.is_mouse_started) {
      this._mouseDrag(position_info);
      return e.preventDefault();
    }
    if (this.mouse_delay && !this._is_mouse_delay_met) {
      return true;
    }
    this.is_mouse_started = this._mouseStart(this.mouse_down_info) !== false;
    if (this.is_mouse_started) {
      this._mouseDrag(position_info);
    } else {
      this._handleMouseUp(position_info);
    }
    return !this.is_mouse_started;
  };

  MouseWidget.prototype._getPositionInfo = function(e) {
    return {
      page_x: e.pageX,
      page_y: e.pageY,
      target: e.target,
      original_event: e
    };
  };

  MouseWidget.prototype._mouseUp = function(e) {
    return this._handleMouseUp(this._getPositionInfo(e));
  };

  MouseWidget.prototype._handleMouseUp = function(position_info) {
    var $document;
    $document = $(document);
    $document.unbind('mousemove.mousewidget');
    $document.unbind('touchmove.mousewidget');
    $document.unbind('mouseup.mousewidget');
    $document.unbind('touchend.mousewidget');
    if (this.is_mouse_started) {
      this.is_mouse_started = false;
      this._mouseStop(position_info);
    }
  };

  MouseWidget.prototype._mouseCapture = function(position_info) {
    return true;
  };

  MouseWidget.prototype._mouseStart = function(position_info) {
    return null;
  };

  MouseWidget.prototype._mouseDrag = function(position_info) {
    return null;
  };

  MouseWidget.prototype._mouseStop = function(position_info) {
    return null;
  };

  MouseWidget.prototype.setMouseDelay = function(mouse_delay) {
    return this.mouse_delay = mouse_delay;
  };

  MouseWidget.prototype._touchStart = function(e) {
    var touch;
    if (e.originalEvent.touches.length > 1) {
      return;
    }
    touch = e.originalEvent.changedTouches[0];
    return this._handleMouseDown(e, this._getPositionInfo(touch));
  };

  MouseWidget.prototype._touchMove = function(e) {
    var touch;
    if (e.originalEvent.touches.length > 1) {
      return;
    }
    touch = e.originalEvent.changedTouches[0];
    return this._handleMouseMove(e, this._getPositionInfo(touch));
  };

  MouseWidget.prototype._touchEnd = function(e) {
    var touch;
    if (e.originalEvent.touches.length > 1) {
      return;
    }
    touch = e.originalEvent.changedTouches[0];
    return this._handleMouseUp(this._getPositionInfo(touch));
  };

  return MouseWidget;

})(SimpleWidget);

module.exports = MouseWidget;

},{"./simple.widget":10}],5:[function(require,module,exports){
var $, Node, Position;

$ = jQuery;

Position = {
  getName: function(position) {
    return Position.strings[position - 1];
  },
  nameToIndex: function(name) {
    var i, j, ref;
    for (i = j = 1, ref = Position.strings.length; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {
      if (Position.strings[i - 1] === name) {
        return i;
      }
    }
    return 0;
  }
};

Position.BEFORE = 1;

Position.AFTER = 2;

Position.INSIDE = 3;

Position.NONE = 4;

Position.strings = ['before', 'after', 'inside', 'none'];

Node = (function() {
  function Node(o, is_root, node_class) {
    if (is_root == null) {
      is_root = false;
    }
    if (node_class == null) {
      node_class = Node;
    }
    this.name = '';
    this.setData(o);
    this.children = [];
    this.parent = null;
    if (is_root) {
      this.id_mapping = {};
      this.tree = this;
      this.node_class = node_class;
    }
  }

  Node.prototype.setData = function(o) {
    var key, setName, value;
    setName = (function(_this) {
      return function(name) {
        if (name !== null) {
          return _this.name = name;
        }
      };
    })(this);
    if (typeof o !== 'object') {
      setName(o);
    } else {
      for (key in o) {
        value = o[key];
        if (key === 'label') {
          setName(value);
        } else {
          this[key] = value;
        }
      }
    }
    return null;
  };

  Node.prototype.initFromData = function(data) {
    var addChildren, addNode;
    addNode = (function(_this) {
      return function(node_data) {
        _this.setData(node_data);
        if (node_data.children) {
          return addChildren(node_data.children);
        }
      };
    })(this);
    addChildren = (function(_this) {
      return function(children_data) {
        var child, j, len, node;
        for (j = 0, len = children_data.length; j < len; j++) {
          child = children_data[j];
          node = new _this.tree.node_class('');
          node.initFromData(child);
          _this.addChild(node);
        }
        return null;
      };
    })(this);
    addNode(data);
    return null;
  };


  /*
  Create tree from data.
  
  Structure of data is:
  [
      {
          label: 'node1',
          children: [
              { label: 'child1' },
              { label: 'child2' }
          ]
      },
      {
          label: 'node2'
      }
  ]
   */

  Node.prototype.loadFromData = function(data) {
    var j, len, node, o;
    this.removeChildren();
    for (j = 0, len = data.length; j < len; j++) {
      o = data[j];
      node = new this.tree.node_class(o);
      this.addChild(node);
      if (typeof o === 'object' && o.children) {
        node.loadFromData(o.children);
      }
    }
    return null;
  };


  /*
  Add child.
  
  tree.addChild(
      new Node('child1')
  );
   */

  Node.prototype.addChild = function(node) {
    this.children.push(node);
    return node._setParent(this);
  };


  /*
  Add child at position. Index starts at 0.
  
  tree.addChildAtPosition(
      new Node('abc'),
      1
  );
   */

  Node.prototype.addChildAtPosition = function(node, index) {
    this.children.splice(index, 0, node);
    return node._setParent(this);
  };

  Node.prototype._setParent = function(parent) {
    this.parent = parent;
    this.tree = parent.tree;
    return this.tree.addNodeToIndex(this);
  };


  /*
  Remove child. This also removes the children of the node.
  
  tree.removeChild(tree.children[0]);
   */

  Node.prototype.removeChild = function(node) {
    node.removeChildren();
    return this._removeChild(node);
  };

  Node.prototype._removeChild = function(node) {
    this.children.splice(this.getChildIndex(node), 1);
    return this.tree.removeNodeFromIndex(node);
  };


  /*
  Get child index.
  
  var index = getChildIndex(node);
   */

  Node.prototype.getChildIndex = function(node) {
    return $.inArray(node, this.children);
  };


  /*
  Does the tree have children?
  
  if (tree.hasChildren()) {
      //
  }
   */

  Node.prototype.hasChildren = function() {
    return this.children.length !== 0;
  };

  Node.prototype.isFolder = function() {
    return this.hasChildren() || this.load_on_demand;
  };


  /*
  Iterate over all the nodes in the tree.
  
  Calls callback with (node, level).
  
  The callback must return true to continue the iteration on current node.
  
  tree.iterate(
      function(node, level) {
         console.log(node.name);
  
         // stop iteration after level 2
         return (level <= 2);
      }
  );
   */

  Node.prototype.iterate = function(callback) {
    var _iterate;
    _iterate = function(node, level) {
      var child, j, len, ref, result;
      if (node.children) {
        ref = node.children;
        for (j = 0, len = ref.length; j < len; j++) {
          child = ref[j];
          result = callback(child, level);
          if (result && child.hasChildren()) {
            _iterate(child, level + 1);
          }
        }
        return null;
      }
    };
    _iterate(this, 0);
    return null;
  };


  /*
  Move node relative to another node.
  
  Argument position: Position.BEFORE, Position.AFTER or Position.Inside
  
  // move node1 after node2
  tree.moveNode(node1, node2, Position.AFTER);
   */

  Node.prototype.moveNode = function(moved_node, target_node, position) {
    if (moved_node.isParentOf(target_node)) {
      return;
    }
    moved_node.parent._removeChild(moved_node);
    if (position === Position.AFTER) {
      return target_node.parent.addChildAtPosition(moved_node, target_node.parent.getChildIndex(target_node) + 1);
    } else if (position === Position.BEFORE) {
      return target_node.parent.addChildAtPosition(moved_node, target_node.parent.getChildIndex(target_node));
    } else if (position === Position.INSIDE) {
      return target_node.addChildAtPosition(moved_node, 0);
    }
  };


  /*
  Get the tree as data.
   */

  Node.prototype.getData = function(include_parent) {
    var getDataFromNodes;
    if (include_parent == null) {
      include_parent = false;
    }
    getDataFromNodes = function(nodes) {
      var data, j, k, len, node, tmp_node, v;
      data = [];
      for (j = 0, len = nodes.length; j < len; j++) {
        node = nodes[j];
        tmp_node = {};
        for (k in node) {
          v = node[k];
          if ((k !== 'parent' && k !== 'children' && k !== 'element' && k !== 'tree') && Object.prototype.hasOwnProperty.call(node, k)) {
            tmp_node[k] = v;
          }
        }
        if (node.hasChildren()) {
          tmp_node.children = getDataFromNodes(node.children);
        }
        data.push(tmp_node);
      }
      return data;
    };
    if (include_parent) {
      return getDataFromNodes([this]);
    } else {
      return getDataFromNodes(this.children);
    }
  };

  Node.prototype.getNodeByName = function(name) {
    var result;
    result = null;
    this.iterate(function(node) {
      if (node.name === name) {
        result = node;
        return false;
      } else {
        return true;
      }
    });
    return result;
  };

  Node.prototype.addAfter = function(node_info) {
    var child_index, node;
    if (!this.parent) {
      return null;
    } else {
      node = new this.tree.node_class(node_info);
      child_index = this.parent.getChildIndex(this);
      this.parent.addChildAtPosition(node, child_index + 1);
      return node;
    }
  };

  Node.prototype.addBefore = function(node_info) {
    var child_index, node;
    if (!this.parent) {
      return null;
    } else {
      node = new this.tree.node_class(node_info);
      child_index = this.parent.getChildIndex(this);
      this.parent.addChildAtPosition(node, child_index);
      return node;
    }
  };

  Node.prototype.addParent = function(node_info) {
    var child, j, len, new_parent, original_parent, ref;
    if (!this.parent) {
      return null;
    } else {
      new_parent = new this.tree.node_class(node_info);
      new_parent._setParent(this.tree);
      original_parent = this.parent;
      ref = original_parent.children;
      for (j = 0, len = ref.length; j < len; j++) {
        child = ref[j];
        new_parent.addChild(child);
      }
      original_parent.children = [];
      original_parent.addChild(new_parent);
      return new_parent;
    }
  };

  Node.prototype.remove = function() {
    if (this.parent) {
      this.parent.removeChild(this);
      return this.parent = null;
    }
  };

  Node.prototype.append = function(node_info) {
    var node;
    node = new this.tree.node_class(node_info);
    this.addChild(node);
    return node;
  };

  Node.prototype.prepend = function(node_info) {
    var node;
    node = new this.tree.node_class(node_info);
    this.addChildAtPosition(node, 0);
    return node;
  };

  Node.prototype.isParentOf = function(node) {
    var parent;
    parent = node.parent;
    while (parent) {
      if (parent === this) {
        return true;
      }
      parent = parent.parent;
    }
    return false;
  };

  Node.prototype.getLevel = function() {
    var level, node;
    level = 0;
    node = this;
    while (node.parent) {
      level += 1;
      node = node.parent;
    }
    return level;
  };

  Node.prototype.getNodeById = function(node_id) {
    return this.id_mapping[node_id];
  };

  Node.prototype.addNodeToIndex = function(node) {
    if (node.id != null) {
      return this.id_mapping[node.id] = node;
    }
  };

  Node.prototype.removeNodeFromIndex = function(node) {
    if (node.id != null) {
      return delete this.id_mapping[node.id];
    }
  };

  Node.prototype.removeChildren = function() {
    this.iterate((function(_this) {
      return function(child) {
        _this.tree.removeNodeFromIndex(child);
        return true;
      };
    })(this));
    return this.children = [];
  };

  Node.prototype.getPreviousSibling = function() {
    var previous_index;
    if (!this.parent) {
      return null;
    } else {
      previous_index = this.parent.getChildIndex(this) - 1;
      if (previous_index >= 0) {
        return this.parent.children[previous_index];
      } else {
        return null;
      }
    }
  };

  Node.prototype.getNextSibling = function() {
    var next_index;
    if (!this.parent) {
      return null;
    } else {
      next_index = this.parent.getChildIndex(this) + 1;
      if (next_index < this.parent.children.length) {
        return this.parent.children[next_index];
      } else {
        return null;
      }
    }
  };

  Node.prototype.getNodesByProperty = function(key, value) {
    return this.filter(function(node) {
      return node[key] === value;
    });
  };

  Node.prototype.filter = function(f) {
    var result;
    result = [];
    this.iterate(function(node) {
      if (f(node)) {
        result.push(node);
      }
      return true;
    });
    return result;
  };

  Node.prototype.getNextNode = function(include_children) {
    var next_sibling;
    if (include_children == null) {
      include_children = true;
    }
    if (include_children && this.hasChildren() && this.is_open) {
      return this.children[0];
    } else {
      if (!this.parent) {
        return null;
      } else {
        next_sibling = this.getNextSibling();
        if (next_sibling) {
          return next_sibling;
        } else {
          return this.parent.getNextNode(false);
        }
      }
    }
  };

  Node.prototype.getPreviousNode = function() {
    var previous_sibling;
    if (!this.parent) {
      return null;
    } else {
      previous_sibling = this.getPreviousSibling();
      if (previous_sibling) {
        if (!previous_sibling.hasChildren() || !previous_sibling.is_open) {
          return previous_sibling;
        } else {
          return previous_sibling.getLastChild();
        }
      } else {
        return this.getParent();
      }
    }
  };

  Node.prototype.getParent = function() {
    if (!this.parent) {
      return null;
    } else if (!this.parent.parent) {
      return null;
    } else {
      return this.parent;
    }
  };

  Node.prototype.getLastChild = function() {
    var last_child;
    if (!this.hasChildren()) {
      return null;
    } else {
      last_child = this.children[this.children.length - 1];
      if (!last_child.hasChildren() || !last_child.is_open) {
        return last_child;
      } else {
        return last_child.getLastChild();
      }
    }
  };

  return Node;

})();

module.exports = {
  Node: Node,
  Position: Position
};

},{}],6:[function(require,module,exports){
var $, BorderDropHint, FolderElement, GhostDropHint, NodeElement, Position, node,
  extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
  hasProp = {}.hasOwnProperty;

node = require('./node');

Position = node.Position;

$ = jQuery;

NodeElement = (function() {
  function NodeElement(node, tree_widget) {
    this.init(node, tree_widget);
  }

  NodeElement.prototype.init = function(node, tree_widget) {
    this.node = node;
    this.tree_widget = tree_widget;
    if (!node.element) {
      node.element = this.tree_widget.element;
    }
    return this.$element = $(node.element);
  };

  NodeElement.prototype.getUl = function() {
    return this.$element.children('ul:first');
  };

  NodeElement.prototype.getSpan = function() {
    return this.$element.children('.jqtree-element').find('span.jqtree-title');
  };

  NodeElement.prototype.getLi = function() {
    return this.$element;
  };

  NodeElement.prototype.addDropHint = function(position) {
    if (position === Position.INSIDE) {
      return new BorderDropHint(this.$element);
    } else {
      return new GhostDropHint(this.node, this.$element, position);
    }
  };

  NodeElement.prototype.select = function() {
    var $li, $span;
    $li = this.getLi();
    $li.addClass('jqtree-selected');
    $li.attr('aria-selected', 'true');
    $span = this.getSpan();
    return $span.attr('tabindex', 0);
  };

  NodeElement.prototype.deselect = function() {
    var $li, $span;
    $li = this.getLi();
    $li.removeClass('jqtree-selected');
    $li.attr('aria-selected', 'false');
    $span = this.getSpan();
    return $span.attr('tabindex', -1);
  };

  return NodeElement;

})();

FolderElement = (function(superClass) {
  extend(FolderElement, superClass);

  function FolderElement() {
    return FolderElement.__super__.constructor.apply(this, arguments);
  }

  FolderElement.prototype.open = function(on_finished, slide) {
    var $button, doOpen;
    if (slide == null) {
      slide = true;
    }
    if (!this.node.is_open) {
      this.node.is_open = true;
      $button = this.getButton();
      $button.removeClass('jqtree-closed');
      $button.html('');
      $button.append(this.tree_widget.renderer.opened_icon_element.cloneNode(false));
      doOpen = (function(_this) {
        return function() {
          var $li, $span;
          $li = _this.getLi();
          $li.removeClass('jqtree-closed');
          $span = _this.getSpan();
          $span.attr('aria-expanded', 'true');
          if (on_finished) {
            on_finished();
          }
          return _this.tree_widget._triggerEvent('tree.open', {
            node: _this.node
          });
        };
      })(this);
      if (slide) {
        return this.getUl().slideDown('fast', doOpen);
      } else {
        this.getUl().show();
        return doOpen();
      }
    }
  };

  FolderElement.prototype.close = function(slide) {
    var $button, doClose;
    if (slide == null) {
      slide = true;
    }
    if (this.node.is_open) {
      this.node.is_open = false;
      $button = this.getButton();
      $button.addClass('jqtree-closed');
      $button.html('');
      $button.append(this.tree_widget.renderer.closed_icon_element.cloneNode(false));
      doClose = (function(_this) {
        return function() {
          var $li, $span;
          $li = _this.getLi();
          $li.addClass('jqtree-closed');
          $span = _this.getSpan();
          $span.attr('aria-expanded', 'false');
          return _this.tree_widget._triggerEvent('tree.close', {
            node: _this.node
          });
        };
      })(this);
      if (slide) {
        return this.getUl().slideUp('fast', doClose);
      } else {
        this.getUl().hide();
        return doClose();
      }
    }
  };

  FolderElement.prototype.getButton = function() {
    return this.$element.children('.jqtree-element').find('a.jqtree-toggler');
  };

  FolderElement.prototype.addDropHint = function(position) {
    if (!this.node.is_open && position === Position.INSIDE) {
      return new BorderDropHint(this.$element);
    } else {
      return new GhostDropHint(this.node, this.$element, position);
    }
  };

  return FolderElement;

})(NodeElement);

BorderDropHint = (function() {
  function BorderDropHint($element) {
    var $div, width;
    $div = $element.children('.jqtree-element');
    width = $element.width() - 4;
    this.$hint = $('<span class="jqtree-border"></span>');
    $div.append(this.$hint);
    this.$hint.css({
      width: width,
      height: $div.outerHeight() - 4
    });
  }

  BorderDropHint.prototype.remove = function() {
    return this.$hint.remove();
  };

  return BorderDropHint;

})();

GhostDropHint = (function() {
  function GhostDropHint(node, $element, position) {
    this.$element = $element;
    this.node = node;
    this.$ghost = $('<li class="jqtree_common jqtree-ghost"><span class="jqtree_common jqtree-circle"></span><span class="jqtree_common jqtree-line"></span></li>');
    if (position === Position.AFTER) {
      this.moveAfter();
    } else if (position === Position.BEFORE) {
      this.moveBefore();
    } else if (position === Position.INSIDE) {
      if (node.isFolder() && node.is_open) {
        this.moveInsideOpenFolder();
      } else {
        this.moveInside();
      }
    }
  }

  GhostDropHint.prototype.remove = function() {
    return this.$ghost.remove();
  };

  GhostDropHint.prototype.moveAfter = function() {
    return this.$element.after(this.$ghost);
  };

  GhostDropHint.prototype.moveBefore = function() {
    return this.$element.before(this.$ghost);
  };

  GhostDropHint.prototype.moveInsideOpenFolder = function() {
    return $(this.node.children[0].element).before(this.$ghost);
  };

  GhostDropHint.prototype.moveInside = function() {
    this.$element.after(this.$ghost);
    return this.$ghost.addClass('jqtree-inside');
  };

  return GhostDropHint;

})();

module.exports = {
  BorderDropHint: BorderDropHint,
  FolderElement: FolderElement,
  GhostDropHint: GhostDropHint,
  NodeElement: NodeElement
};

},{"./node":5}],7:[function(require,module,exports){
var $, SaveStateHandler, indexOf, isInt, util;

util = require('./util');

indexOf = util.indexOf;

isInt = util.isInt;

$ = jQuery;

SaveStateHandler = (function() {
  function SaveStateHandler(tree_widget) {
    this.tree_widget = tree_widget;
  }

  SaveStateHandler.prototype.saveState = function() {
    var state;
    state = JSON.stringify(this.getState());
    if (this.tree_widget.options.onSetStateFromStorage) {
      return this.tree_widget.options.onSetStateFromStorage(state);
    } else if (this.supportsLocalStorage()) {
      return localStorage.setItem(this.getCookieName(), state);
    } else if ($.cookie) {
      $.cookie.raw = true;
      return $.cookie(this.getCookieName(), state, {
        path: '/'
      });
    }
  };

  SaveStateHandler.prototype.getStateFromStorage = function() {
    var json_data;
    json_data = this._loadFromStorage();
    if (json_data) {
      return this._parseState(json_data);
    } else {
      return null;
    }
  };

  SaveStateHandler.prototype._parseState = function(json_data) {
    var state;
    state = $.parseJSON(json_data);
    if (state && state.selected_node && isInt(state.selected_node)) {
      state.selected_node = [state.selected_node];
    }
    return state;
  };

  SaveStateHandler.prototype._loadFromStorage = function() {
    if (this.tree_widget.options.onGetStateFromStorage) {
      return this.tree_widget.options.onGetStateFromStorage();
    } else if (this.supportsLocalStorage()) {
      return localStorage.getItem(this.getCookieName());
    } else if ($.cookie) {
      $.cookie.raw = true;
      return $.cookie(this.getCookieName());
    } else {
      return null;
    }
  };

  SaveStateHandler.prototype.getState = function() {
    var getOpenNodeIds, getSelectedNodeIds;
    getOpenNodeIds = (function(_this) {
      return function() {
        var open_nodes;
        open_nodes = [];
        _this.tree_widget.tree.iterate(function(node) {
          if (node.is_open && node.id && node.hasChildren()) {
            open_nodes.push(node.id);
          }
          return true;
        });
        return open_nodes;
      };
    })(this);
    getSelectedNodeIds = (function(_this) {
      return function() {
        var n;
        return (function() {
          var i, len, ref, results;
          ref = this.tree_widget.getSelectedNodes();
          results = [];
          for (i = 0, len = ref.length; i < len; i++) {
            n = ref[i];
            results.push(n.id);
          }
          return results;
        }).call(_this);
      };
    })(this);
    return {
      open_nodes: getOpenNodeIds(),
      selected_node: getSelectedNodeIds()
    };
  };

  SaveStateHandler.prototype.setInitialState = function(state) {
    var must_load_on_demand;
    if (!state) {
      return false;
    } else {
      must_load_on_demand = this._openInitialNodes(state.open_nodes);
      this._selectInitialNodes(state.selected_node);
      return must_load_on_demand;
    }
  };

  SaveStateHandler.prototype._openInitialNodes = function(node_ids) {
    var i, len, must_load_on_demand, node, node_id;
    must_load_on_demand = false;
    for (i = 0, len = node_ids.length; i < len; i++) {
      node_id = node_ids[i];
      node = this.tree_widget.getNodeById(node_id);
      if (node) {
        if (!node.load_on_demand) {
          node.is_open = true;
        } else {
          must_load_on_demand = true;
        }
      }
    }
    return must_load_on_demand;
  };

  SaveStateHandler.prototype._selectInitialNodes = function(node_ids) {
    var i, len, node, node_id, select_count;
    select_count = 0;
    for (i = 0, len = node_ids.length; i < len; i++) {
      node_id = node_ids[i];
      node = this.tree_widget.getNodeById(node_id);
      if (node) {
        select_count += 1;
        this.tree_widget.select_node_handler.addToSelection(node);
      }
    }
    return select_count !== 0;
  };

  SaveStateHandler.prototype.setInitialStateOnDemand = function(state, cb_finished) {
    if (state) {
      return this._setInitialStateOnDemand(state.open_nodes, state.selected_node, cb_finished);
    } else {
      return cb_finished();
    }
  };

  SaveStateHandler.prototype._setInitialStateOnDemand = function(node_ids, selected_nodes, cb_finished) {
    var loadAndOpenNode, loading_count, openNodes;
    loading_count = 0;
    openNodes = (function(_this) {
      return function() {
        var i, len, new_nodes_ids, node, node_id;
        new_nodes_ids = [];
        for (i = 0, len = node_ids.length; i < len; i++) {
          node_id = node_ids[i];
          node = _this.tree_widget.getNodeById(node_id);
          if (!node) {
            new_nodes_ids.push(node_id);
          } else {
            if (!node.is_loading) {
              if (node.load_on_demand) {
                loadAndOpenNode(node);
              } else {
                _this.tree_widget._openNode(node, false);
              }
            }
          }
        }
        node_ids = new_nodes_ids;
        if (_this._selectInitialNodes(selected_nodes)) {
          _this.tree_widget._refreshElements();
        }
        if (loading_count === 0) {
          return cb_finished();
        }
      };
    })(this);
    loadAndOpenNode = (function(_this) {
      return function(node) {
        loading_count += 1;
        return _this.tree_widget._openNode(node, false, function() {
          loading_count -= 1;
          return openNodes();
        });
      };
    })(this);
    return openNodes();
  };

  SaveStateHandler.prototype.getCookieName = function() {
    if (typeof this.tree_widget.options.saveState === 'string') {
      return this.tree_widget.options.saveState;
    } else {
      return 'tree';
    }
  };

  SaveStateHandler.prototype.supportsLocalStorage = function() {
    var testSupport;
    testSupport = function() {
      var error, error1, key;
      if (typeof localStorage === "undefined" || localStorage === null) {
        return false;
      } else {
        try {
          key = '_storage_test';
          sessionStorage.setItem(key, true);
          sessionStorage.removeItem(key);
        } catch (error1) {
          error = error1;
          return false;
        }
        return true;
      }
    };
    if (this._supportsLocalStorage == null) {
      this._supportsLocalStorage = testSupport();
    }
    return this._supportsLocalStorage;
  };

  SaveStateHandler.prototype.getNodeIdToBeSelected = function() {
    var state;
    state = this.getStateFromStorage();
    if (state && state.selected_node) {
      return state.selected_node[0];
    } else {
      return null;
    }
  };

  return SaveStateHandler;

})();

module.exports = SaveStateHandler;

},{"./util":12}],8:[function(require,module,exports){
var $, ScrollHandler;

$ = jQuery;

ScrollHandler = (function() {
  function ScrollHandler(tree_widget) {
    this.tree_widget = tree_widget;
    this.previous_top = -1;
    this.is_initialized = false;
    this._initScrollParent();
  }

  ScrollHandler.prototype._initScrollParent = function() {
    var $scroll_parent, getParentWithOverflow, setDocumentAsScrollParent;
    getParentWithOverflow = (function(_this) {
      return function() {
        var css_values, el, hasOverFlow, i, len, ref;
        css_values = ['overflow', 'overflow-y'];
        hasOverFlow = function(el) {
          var css_value, i, len, ref;
          for (i = 0, len = css_values.length; i < len; i++) {
            css_value = css_values[i];
            if ((ref = $.css(el, css_value)) === 'auto' || ref === 'scroll') {
              return true;
            }
          }
          return false;
        };
        if (hasOverFlow(_this.tree_widget.$el[0])) {
          return _this.tree_widget.$el;
        }
        ref = _this.tree_widget.$el.parents();
        for (i = 0, len = ref.length; i < len; i++) {
          el = ref[i];
          if (hasOverFlow(el)) {
            return $(el);
          }
        }
        return null;
      };
    })(this);
    setDocumentAsScrollParent = (function(_this) {
      return function() {
        _this.scroll_parent_top = 0;
        return _this.$scroll_parent = null;
      };
    })(this);
    if (this.tree_widget.$el.css('position') === 'fixed') {
      setDocumentAsScrollParent();
    }
    $scroll_parent = getParentWithOverflow();
    if ($scroll_parent && $scroll_parent.length && $scroll_parent[0].tagName !== 'HTML') {
      this.$scroll_parent = $scroll_parent;
      this.scroll_parent_top = this.$scroll_parent.offset().top;
    } else {
      setDocumentAsScrollParent();
    }
    return this.is_initialized = true;
  };

  ScrollHandler.prototype._ensureInit = function() {
    if (!this.is_initialized) {
      return this._initScrollParent();
    }
  };

  ScrollHandler.prototype.checkScrolling = function() {
    var hovered_area;
    this._ensureInit();
    hovered_area = this.tree_widget.dnd_handler.hovered_area;
    if (hovered_area && hovered_area.top !== this.previous_top) {
      this.previous_top = hovered_area.top;
      if (this.$scroll_parent) {
        return this._handleScrollingWithScrollParent(hovered_area);
      } else {
        return this._handleScrollingWithDocument(hovered_area);
      }
    }
  };

  ScrollHandler.prototype._handleScrollingWithScrollParent = function(area) {
    var distance_bottom;
    distance_bottom = this.scroll_parent_top + this.$scroll_parent[0].offsetHeight - area.bottom;
    if (distance_bottom < 20) {
      this.$scroll_parent[0].scrollTop += 20;
      this.tree_widget.refreshHitAreas();
      return this.previous_top = -1;
    } else if ((area.top - this.scroll_parent_top) < 20) {
      this.$scroll_parent[0].scrollTop -= 20;
      this.tree_widget.refreshHitAreas();
      return this.previous_top = -1;
    }
  };

  ScrollHandler.prototype._handleScrollingWithDocument = function(area) {
    var distance_top;
    distance_top = area.top - $(document).scrollTop();
    if (distance_top < 20) {
      return $(document).scrollTop($(document).scrollTop() - 20);
    } else if ($(window).height() - (area.bottom - $(document).scrollTop()) < 20) {
      return $(document).scrollTop($(document).scrollTop() + 20);
    }
  };

  ScrollHandler.prototype.scrollTo = function(top) {
    var tree_top;
    this._ensureInit();
    if (this.$scroll_parent) {
      return this.$scroll_parent[0].scrollTop = top;
    } else {
      tree_top = this.tree_widget.$el.offset().top;
      return $(document).scrollTop(top + tree_top);
    }
  };

  ScrollHandler.prototype.isScrolledIntoView = function(element) {
    var $element, element_bottom, element_top, view_bottom, view_top;
    this._ensureInit();
    $element = $(element);
    if (this.$scroll_parent) {
      view_top = 0;
      view_bottom = this.$scroll_parent.height();
      element_top = $element.offset().top - this.scroll_parent_top;
      element_bottom = element_top + $element.height();
    } else {
      view_top = $(window).scrollTop();
      view_bottom = view_top + $(window).height();
      element_top = $element.offset().top;
      element_bottom = element_top + $element.height();
    }
    return (element_bottom <= view_bottom) && (element_top >= view_top);
  };

  return ScrollHandler;

})();

module.exports = ScrollHandler;

},{}],9:[function(require,module,exports){
var $, SelectNodeHandler;

$ = jQuery;

SelectNodeHandler = (function() {
  function SelectNodeHandler(tree_widget) {
    this.tree_widget = tree_widget;
    this.clear();
  }

  SelectNodeHandler.prototype.getSelectedNode = function() {
    var selected_nodes;
    selected_nodes = this.getSelectedNodes();
    if (selected_nodes.length) {
      return selected_nodes[0];
    } else {
      return false;
    }
  };

  SelectNodeHandler.prototype.getSelectedNodes = function() {
    var id, node, selected_nodes;
    if (this.selected_single_node) {
      return [this.selected_single_node];
    } else {
      selected_nodes = [];
      for (id in this.selected_nodes) {
        node = this.tree_widget.getNodeById(id);
        if (node) {
          selected_nodes.push(node);
        }
      }
      return selected_nodes;
    }
  };

  SelectNodeHandler.prototype.getSelectedNodesUnder = function(parent) {
    var id, node, selected_nodes;
    if (this.selected_single_node) {
      if (parent.isParentOf(this.selected_single_node)) {
        return [this.selected_single_node];
      } else {
        return [];
      }
    } else {
      selected_nodes = [];
      for (id in this.selected_nodes) {
        node = this.tree_widget.getNodeById(id);
        if (node && parent.isParentOf(node)) {
          selected_nodes.push(node);
        }
      }
      return selected_nodes;
    }
  };

  SelectNodeHandler.prototype.isNodeSelected = function(node) {
    if (node.id) {
      return this.selected_nodes[node.id];
    } else if (this.selected_single_node) {
      return this.selected_single_node.element === node.element;
    } else {
      return false;
    }
  };

  SelectNodeHandler.prototype.clear = function() {
    this.selected_nodes = {};
    return this.selected_single_node = null;
  };

  SelectNodeHandler.prototype.removeFromSelection = function(node, include_children) {
    if (include_children == null) {
      include_children = false;
    }
    if (!node.id) {
      if (this.selected_single_node && node.element === this.selected_single_node.element) {
        return this.selected_single_node = null;
      }
    } else {
      delete this.selected_nodes[node.id];
      if (include_children) {
        return node.iterate((function(_this) {
          return function(n) {
            delete _this.selected_nodes[node.id];
            return true;
          };
        })(this));
      }
    }
  };

  SelectNodeHandler.prototype.addToSelection = function(node) {
    if (node.id) {
      return this.selected_nodes[node.id] = true;
    } else {
      return this.selected_single_node = node;
    }
  };

  return SelectNodeHandler;

})();

module.exports = SelectNodeHandler;

},{}],10:[function(require,module,exports){

/*
Copyright 2013 Marco Braak

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
 */
var $, SimpleWidget,
  slice = [].slice;

$ = jQuery;

SimpleWidget = (function() {
  SimpleWidget.prototype.defaults = {};

  function SimpleWidget(el, options) {
    this.$el = $(el);
    this.options = $.extend({}, this.defaults, options);
  }

  SimpleWidget.prototype.destroy = function() {
    return this._deinit();
  };

  SimpleWidget.prototype._init = function() {
    return null;
  };

  SimpleWidget.prototype._deinit = function() {
    return null;
  };

  SimpleWidget.register = function(widget_class, widget_name) {
    var callFunction, createWidget, destroyWidget, getDataKey, getWidgetData;
    getDataKey = function() {
      return "simple_widget_" + widget_name;
    };
    getWidgetData = function(el, data_key) {
      var widget;
      widget = $.data(el, data_key);
      if (widget && (widget instanceof SimpleWidget)) {
        return widget;
      } else {
        return null;
      }
    };
    createWidget = function($el, options) {
      var data_key, el, existing_widget, i, len, widget;
      data_key = getDataKey();
      for (i = 0, len = $el.length; i < len; i++) {
        el = $el[i];
        existing_widget = getWidgetData(el, data_key);
        if (!existing_widget) {
          widget = new widget_class(el, options);
          if (!$.data(el, data_key)) {
            $.data(el, data_key, widget);
          }
          widget._init();
        }
      }
      return $el;
    };
    destroyWidget = function($el) {
      var data_key, el, i, len, results, widget;
      data_key = getDataKey();
      results = [];
      for (i = 0, len = $el.length; i < len; i++) {
        el = $el[i];
        widget = getWidgetData(el, data_key);
        if (widget) {
          widget.destroy();
        }
        results.push($.removeData(el, data_key));
      }
      return results;
    };
    callFunction = function($el, function_name, args) {
      var el, i, len, result, widget, widget_function;
      result = null;
      for (i = 0, len = $el.length; i < len; i++) {
        el = $el[i];
        widget = $.data(el, getDataKey());
        if (widget && (widget instanceof SimpleWidget)) {
          widget_function = widget[function_name];
          if (widget_function && (typeof widget_function === 'function')) {
            result = widget_function.apply(widget, args);
          }
        }
      }
      return result;
    };
    return $.fn[widget_name] = function() {
      var $el, args, argument1, function_name, options;
      argument1 = arguments[0], args = 2 <= arguments.length ? slice.call(arguments, 1) : [];
      $el = this;
      if (argument1 === void 0 || typeof argument1 === 'object') {
        options = argument1;
        return createWidget($el, options);
      } else if (typeof argument1 === 'string' && argument1[0] !== '_') {
        function_name = argument1;
        if (function_name === 'destroy') {
          return destroyWidget($el);
        } else if (function_name === 'get_widget_class') {
          return widget_class;
        } else {
          return callFunction($el, function_name, args);
        }
      }
    };
  };

  return SimpleWidget;

})();

module.exports = SimpleWidget;

},{}],11:[function(require,module,exports){
var $, BorderDropHint, DragAndDropHandler, DragElement, ElementsRenderer, FolderElement, GhostDropHint, HitAreasGenerator, JqTreeWidget, KeyHandler, MouseWidget, Node, NodeElement, Position, SaveStateHandler, ScrollHandler, SelectNodeHandler, SimpleWidget, __version__, node_module, ref, ref1, util_module,
  extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
  hasProp = {}.hasOwnProperty;

__version__ = require('./version');

ref = require('./drag_and_drop_handler'), DragAndDropHandler = ref.DragAndDropHandler, DragElement = ref.DragElement, HitAreasGenerator = ref.HitAreasGenerator;

ElementsRenderer = require('./elements_renderer');

KeyHandler = require('./key_handler');

MouseWidget = require('./mouse.widget');

SaveStateHandler = require('./save_state_handler');

ScrollHandler = require('./scroll_handler');

SelectNodeHandler = require('./select_node_handler');

SimpleWidget = require('./simple.widget');

node_module = require('./node');

Node = node_module.Node;

Position = node_module.Position;

util_module = require('./util');

ref1 = require('./node_element'), BorderDropHint = ref1.BorderDropHint, FolderElement = ref1.FolderElement, GhostDropHint = ref1.GhostDropHint, NodeElement = ref1.NodeElement;

$ = jQuery;

JqTreeWidget = (function(superClass) {
  extend(JqTreeWidget, superClass);

  function JqTreeWidget() {
    return JqTreeWidget.__super__.constructor.apply(this, arguments);
  }

  JqTreeWidget.prototype.BorderDropHint = BorderDropHint;

  JqTreeWidget.prototype.DragElement = DragElement;

  JqTreeWidget.prototype.DragAndDropHandler = DragAndDropHandler;

  JqTreeWidget.prototype.ElementsRenderer = ElementsRenderer;

  JqTreeWidget.prototype.GhostDropHint = GhostDropHint;

  JqTreeWidget.prototype.HitAreasGenerator = HitAreasGenerator;

  JqTreeWidget.prototype.Node = Node;

  JqTreeWidget.prototype.SaveStateHandler = SaveStateHandler;

  JqTreeWidget.prototype.ScrollHandler = ScrollHandler;

  JqTreeWidget.prototype.SelectNodeHandler = SelectNodeHandler;

  JqTreeWidget.prototype.defaults = {
    autoOpen: false,
    saveState: false,
    dragAndDrop: false,
    selectable: true,
    useContextMenu: true,
    onCanSelectNode: null,
    onSetStateFromStorage: null,
    onGetStateFromStorage: null,
    onCreateLi: null,
    onIsMoveHandle: null,
    onCanMove: null,
    onCanMoveTo: null,
    onLoadFailed: null,
    autoEscape: true,
    dataUrl: null,
    closedIcon: null,
    openedIcon: '&#x25bc;',
    slide: true,
    nodeClass: Node,
    dataFilter: null,
    keyboardSupport: true,
    openFolderDelay: 500,
    rtl: null,
    onDragMove: null,
    onDragStop: null,
    buttonLeft: true,
    onLoading: null
  };

  JqTreeWidget.prototype.toggle = function(node, slide) {
    if (slide == null) {
      slide = null;
    }
    if (slide === null) {
      slide = this.options.slide;
    }
    if (node.is_open) {
      this.closeNode(node, slide);
    } else {
      this.openNode(node, slide);
    }
    return this.element;
  };

  JqTreeWidget.prototype.getTree = function() {
    return this.tree;
  };

  JqTreeWidget.prototype.selectNode = function(node) {
    this._selectNode(node, false);
    return this.element;
  };

  JqTreeWidget.prototype._selectNode = function(node, must_toggle) {
    var canSelect, deselected_node, openParents, saveState;
    if (must_toggle == null) {
      must_toggle = false;
    }
    if (!this.select_node_handler) {
      return;
    }
    canSelect = (function(_this) {
      return function() {
        if (_this.options.onCanSelectNode) {
          return _this.options.selectable && _this.options.onCanSelectNode(node);
        } else {
          return _this.options.selectable;
        }
      };
    })(this);
    openParents = (function(_this) {
      return function() {
        var parent;
        parent = node.parent;
        if (parent && parent.parent && !parent.is_open) {
          return _this.openNode(parent, false);
        }
      };
    })(this);
    saveState = (function(_this) {
      return function() {
        if (_this.options.saveState) {
          return _this.save_state_handler.saveState();
        }
      };
    })(this);
    if (!node) {
      this._deselectCurrentNode();
      saveState();
      return;
    }
    if (!canSelect()) {
      return;
    }
    if (this.select_node_handler.isNodeSelected(node)) {
      if (must_toggle) {
        this._deselectCurrentNode();
        this._triggerEvent('tree.select', {
          node: null,
          previous_node: node
        });
      }
    } else {
      deselected_node = this.getSelectedNode();
      this._deselectCurrentNode();
      this.addToSelection(node);
      this._triggerEvent('tree.select', {
        node: node,
        deselected_node: deselected_node
      });
      openParents();
    }
    return saveState();
  };

  JqTreeWidget.prototype.getSelectedNode = function() {
    if (this.select_node_handler) {
      return this.select_node_handler.getSelectedNode();
    } else {
      return null;
    }
  };

  JqTreeWidget.prototype.toJson = function() {
    return JSON.stringify(this.tree.getData());
  };

  JqTreeWidget.prototype.loadData = function(data, parent_node) {
    this._loadData(data, parent_node);
    return this.element;
  };


  /*
  signatures:
  - loadDataFromUrl(url, parent_node=null, on_finished=null)
      loadDataFromUrl('/my_data');
      loadDataFromUrl('/my_data', node1);
      loadDataFromUrl('/my_data', node1, function() { console.log('finished'); });
      loadDataFromUrl('/my_data', null, function() { console.log('finished'); });
  
  - loadDataFromUrl(parent_node=null, on_finished=null)
      loadDataFromUrl();
      loadDataFromUrl(node1);
      loadDataFromUrl(null, function() { console.log('finished'); });
      loadDataFromUrl(node1, function() { console.log('finished'); });
   */

  JqTreeWidget.prototype.loadDataFromUrl = function(param1, param2, param3) {
    if ($.type(param1) === 'string') {
      this._loadDataFromUrl(param1, param2, param3);
    } else {
      this._loadDataFromUrl(null, param1, param2);
    }
    return this.element;
  };

  JqTreeWidget.prototype.reload = function(on_finished) {
    this._loadDataFromUrl(null, null, on_finished);
    return this.element;
  };

  JqTreeWidget.prototype._loadDataFromUrl = function(url_info, parent_node, on_finished) {
    var $el, addLoadingClass, handeLoadData, handleError, handleSuccess, loadDataFromUrlInfo, parseUrlInfo, removeLoadingClass;
    $el = null;
    addLoadingClass = (function(_this) {
      return function() {
        if (parent_node) {
          $el = $(parent_node.element);
        } else {
          $el = _this.element;
        }
        $el.addClass('jqtree-loading');
        return _this._notifyLoading(true, parent_node, $el);
      };
    })(this);
    removeLoadingClass = (function(_this) {
      return function() {
        if ($el) {
          $el.removeClass('jqtree-loading');
          return _this._notifyLoading(false, parent_node, $el);
        }
      };
    })(this);
    parseUrlInfo = function() {
      if ($.type(url_info) === 'string') {
        return {
          url: url_info
        };
      }
      if (!url_info.method) {
        url_info.method = 'get';
      }
      return url_info;
    };
    handeLoadData = (function(_this) {
      return function(data) {
        removeLoadingClass();
        _this._loadData(data, parent_node);
        if (on_finished && $.isFunction(on_finished)) {
          return on_finished();
        }
      };
    })(this);
    handleSuccess = (function(_this) {
      return function(response) {
        var data;
        if ($.isArray(response) || typeof response === 'object') {
          data = response;
        } else if (data != null) {
          data = $.parseJSON(response);
        } else {
          data = [];
        }
        if (_this.options.dataFilter) {
          data = _this.options.dataFilter(data);
        }
        return handeLoadData(data);
      };
    })(this);
    handleError = (function(_this) {
      return function(response) {
        removeLoadingClass();
        if (_this.options.onLoadFailed) {
          return _this.options.onLoadFailed(response);
        }
      };
    })(this);
    loadDataFromUrlInfo = function() {
      url_info = parseUrlInfo();
      return $.ajax($.extend({}, url_info, {
        method: url_info.method != null ? url_info.method.toUpperCase() : 'GET',
        cache: false,
        dataType: 'json',
        success: handleSuccess,
        error: handleError
      }));
    };
    if (!url_info) {
      url_info = this._getDataUrlInfo(parent_node);
    }
    addLoadingClass();
    if (!url_info) {
      removeLoadingClass();
    } else if ($.isArray(url_info)) {
      handeLoadData(url_info);
    } else {
      loadDataFromUrlInfo();
    }
  };

  JqTreeWidget.prototype._loadData = function(data, parent_node) {
    var deselectNodes, loadSubtree;
    if (parent_node == null) {
      parent_node = null;
    }
    deselectNodes = (function(_this) {
      return function() {
        var i, len, n, selected_nodes_under_parent;
        if (_this.select_node_handler) {
          selected_nodes_under_parent = _this.select_node_handler.getSelectedNodesUnder(parent_node);
          for (i = 0, len = selected_nodes_under_parent.length; i < len; i++) {
            n = selected_nodes_under_parent[i];
            _this.select_node_handler.removeFromSelection(n);
          }
        }
        return null;
      };
    })(this);
    loadSubtree = (function(_this) {
      return function() {
        parent_node.loadFromData(data);
        parent_node.load_on_demand = false;
        parent_node.is_loading = false;
        return _this._refreshElements(parent_node);
      };
    })(this);
    if (!data) {
      return;
    }
    this._triggerEvent('tree.load_data', {
      tree_data: data
    });
    if (!parent_node) {
      this._initTree(data);
    } else {
      deselectNodes();
      loadSubtree();
    }
    if (this.isDragging()) {
      return this.dnd_handler.refresh();
    }
  };

  JqTreeWidget.prototype.getNodeById = function(node_id) {
    return this.tree.getNodeById(node_id);
  };

  JqTreeWidget.prototype.getNodeByName = function(name) {
    return this.tree.getNodeByName(name);
  };

  JqTreeWidget.prototype.getNodesByProperty = function(key, value) {
    return this.tree.getNodesByProperty(key, value);
  };

  JqTreeWidget.prototype.openNode = function(node, slide) {
    if (slide == null) {
      slide = null;
    }
    if (slide === null) {
      slide = this.options.slide;
    }
    this._openNode(node, slide);
    return this.element;
  };

  JqTreeWidget.prototype._openNode = function(node, slide, on_finished) {
    var doOpenNode, parent;
    if (slide == null) {
      slide = true;
    }
    doOpenNode = (function(_this) {
      return function(_node, _slide, _on_finished) {
        var folder_element;
        folder_element = new FolderElement(_node, _this);
        return folder_element.open(_on_finished, _slide);
      };
    })(this);
    if (node.isFolder()) {
      if (node.load_on_demand) {
        return this._loadFolderOnDemand(node, slide, on_finished);
      } else {
        parent = node.parent;
        while (parent) {
          if (parent.parent) {
            doOpenNode(parent, false, null);
          }
          parent = parent.parent;
        }
        doOpenNode(node, slide, on_finished);
        return this._saveState();
      }
    }
  };

  JqTreeWidget.prototype._loadFolderOnDemand = function(node, slide, on_finished) {
    if (slide == null) {
      slide = true;
    }
    node.is_loading = true;
    return this._loadDataFromUrl(null, node, (function(_this) {
      return function() {
        return _this._openNode(node, slide, on_finished);
      };
    })(this));
  };

  JqTreeWidget.prototype.closeNode = function(node, slide) {
    if (slide == null) {
      slide = null;
    }
    if (slide === null) {
      slide = this.options.slide;
    }
    if (node.isFolder()) {
      new FolderElement(node, this).close(slide);
      this._saveState();
    }
    return this.element;
  };

  JqTreeWidget.prototype.isDragging = function() {
    if (this.dnd_handler) {
      return this.dnd_handler.is_dragging;
    } else {
      return false;
    }
  };

  JqTreeWidget.prototype.refreshHitAreas = function() {
    this.dnd_handler.refresh();
    return this.element;
  };

  JqTreeWidget.prototype.addNodeAfter = function(new_node_info, existing_node) {
    var new_node;
    new_node = existing_node.addAfter(new_node_info);
    this._refreshElements(existing_node.parent);
    return new_node;
  };

  JqTreeWidget.prototype.addNodeBefore = function(new_node_info, existing_node) {
    var new_node;
    new_node = existing_node.addBefore(new_node_info);
    this._refreshElements(existing_node.parent);
    return new_node;
  };

  JqTreeWidget.prototype.addParentNode = function(new_node_info, existing_node) {
    var new_node;
    new_node = existing_node.addParent(new_node_info);
    this._refreshElements(new_node.parent);
    return new_node;
  };

  JqTreeWidget.prototype.removeNode = function(node) {
    var parent;
    parent = node.parent;
    if (parent) {
      this.select_node_handler.removeFromSelection(node, true);
      node.remove();
      this._refreshElements(parent);
    }
    return this.element;
  };

  JqTreeWidget.prototype.appendNode = function(new_node_info, parent_node) {
    var node;
    parent_node = parent_node || this.tree;
    node = parent_node.append(new_node_info);
    this._refreshElements(parent_node);
    return node;
  };

  JqTreeWidget.prototype.prependNode = function(new_node_info, parent_node) {
    var node;
    if (!parent_node) {
      parent_node = this.tree;
    }
    node = parent_node.prepend(new_node_info);
    this._refreshElements(parent_node);
    return node;
  };

  JqTreeWidget.prototype.updateNode = function(node, data) {
    var id_is_changed;
    id_is_changed = data.id && data.id !== node.id;
    if (id_is_changed) {
      this.tree.removeNodeFromIndex(node);
    }
    node.setData(data);
    if (id_is_changed) {
      this.tree.addNodeToIndex(node);
    }
    this.renderer.renderFromNode(node);
    this._selectCurrentNode();
    return this.element;
  };

  JqTreeWidget.prototype.moveNode = function(node, target_node, position) {
    var position_index;
    position_index = Position.nameToIndex(position);
    this.tree.moveNode(node, target_node, position_index);
    this._refreshElements();
    return this.element;
  };

  JqTreeWidget.prototype.getStateFromStorage = function() {
    return this.save_state_handler.getStateFromStorage();
  };

  JqTreeWidget.prototype.addToSelection = function(node) {
    if (node) {
      this.select_node_handler.addToSelection(node);
      this._getNodeElementForNode(node).select();
      this._saveState();
    }
    return this.element;
  };

  JqTreeWidget.prototype.getSelectedNodes = function() {
    return this.select_node_handler.getSelectedNodes();
  };

  JqTreeWidget.prototype.isNodeSelected = function(node) {
    return this.select_node_handler.isNodeSelected(node);
  };

  JqTreeWidget.prototype.removeFromSelection = function(node) {
    this.select_node_handler.removeFromSelection(node);
    this._getNodeElementForNode(node).deselect();
    this._saveState();
    return this.element;
  };

  JqTreeWidget.prototype.scrollToNode = function(node) {
    var $element, top;
    $element = $(node.element);
    top = $element.offset().top - this.$el.offset().top;
    this.scroll_handler.scrollTo(top);
    return this.element;
  };

  JqTreeWidget.prototype.getState = function() {
    return this.save_state_handler.getState();
  };

  JqTreeWidget.prototype.setState = function(state) {
    this.save_state_handler.setInitialState(state);
    this._refreshElements();
    return this.element;
  };

  JqTreeWidget.prototype.setOption = function(option, value) {
    this.options[option] = value;
    return this.element;
  };

  JqTreeWidget.prototype.moveDown = function() {
    if (this.key_handler) {
      this.key_handler.moveDown();
    }
    return this.element;
  };

  JqTreeWidget.prototype.moveUp = function() {
    if (this.key_handler) {
      this.key_handler.moveUp();
    }
    return this.element;
  };

  JqTreeWidget.prototype.getVersion = function() {
    return __version__;
  };

  JqTreeWidget.prototype._init = function() {
    JqTreeWidget.__super__._init.call(this);
    this.element = this.$el;
    this.mouse_delay = 300;
    this.is_initialized = false;
    this.options.rtl = this._getRtlOption();
    if (!this.options.closedIcon) {
      this.options.closedIcon = this._getDefaultClosedIcon();
    }
    this.renderer = new ElementsRenderer(this);
    if (SaveStateHandler != null) {
      this.save_state_handler = new SaveStateHandler(this);
    } else {
      this.options.saveState = false;
    }
    if (SelectNodeHandler != null) {
      this.select_node_handler = new SelectNodeHandler(this);
    }
    if (DragAndDropHandler != null) {
      this.dnd_handler = new DragAndDropHandler(this);
    } else {
      this.options.dragAndDrop = false;
    }
    if (ScrollHandler != null) {
      this.scroll_handler = new ScrollHandler(this);
    }
    if ((KeyHandler != null) && (SelectNodeHandler != null)) {
      this.key_handler = new KeyHandler(this);
    }
    this._initData();
    this.element.click($.proxy(this._click, this));
    this.element.dblclick($.proxy(this._dblclick, this));
    if (this.options.useContextMenu) {
      return this.element.bind('contextmenu', $.proxy(this._contextmenu, this));
    }
  };

  JqTreeWidget.prototype._deinit = function() {
    this.element.empty();
    this.element.unbind();
    if (this.key_handler) {
      this.key_handler.deinit();
    }
    this.tree = null;
    return JqTreeWidget.__super__._deinit.call(this);
  };

  JqTreeWidget.prototype._initData = function() {
    if (this.options.data) {
      return this._loadData(this.options.data);
    } else {
      return this._loadDataFromUrl(this._getDataUrlInfo());
    }
  };

  JqTreeWidget.prototype._getDataUrlInfo = function(node) {
    var data_url, getUrlFromString;
    data_url = this.options.dataUrl || this.element.data('url');
    getUrlFromString = (function(_this) {
      return function() {
        var data, selected_node_id, url_info;
        url_info = {
          url: data_url
        };
        if (node && node.id) {
          data = {
            node: node.id
          };
          url_info['data'] = data;
        } else {
          selected_node_id = _this._getNodeIdToBeSelected();
          if (selected_node_id) {
            data = {
              selected_node: selected_node_id
            };
            url_info['data'] = data;
          }
        }
        return url_info;
      };
    })(this);
    if ($.isFunction(data_url)) {
      return data_url(node);
    } else if ($.type(data_url) === 'string') {
      return getUrlFromString();
    } else {
      return data_url;
    }
  };

  JqTreeWidget.prototype._getNodeIdToBeSelected = function() {
    if (this.options.saveState) {
      return this.save_state_handler.getNodeIdToBeSelected();
    } else {
      return null;
    }
  };

  JqTreeWidget.prototype._initTree = function(data) {
    var doInit, must_load_on_demand;
    doInit = (function(_this) {
      return function() {
        if (!_this.is_initialized) {
          _this.is_initialized = true;
          return _this._triggerEvent('tree.init');
        }
      };
    })(this);
    this.tree = new this.options.nodeClass(null, true, this.options.nodeClass);
    if (this.select_node_handler) {
      this.select_node_handler.clear();
    }
    this.tree.loadFromData(data);
    must_load_on_demand = this._setInitialState();
    this._refreshElements();
    if (!must_load_on_demand) {
      return doInit();
    } else {
      return this._setInitialStateOnDemand(doInit);
    }
  };

  JqTreeWidget.prototype._setInitialState = function() {
    var autoOpenNodes, is_restored, must_load_on_demand, ref2, restoreState;
    restoreState = (function(_this) {
      return function() {
        var must_load_on_demand, state;
        if (!(_this.options.saveState && _this.save_state_handler)) {
          return [false, false];
        } else {
          state = _this.save_state_handler.getStateFromStorage();
          if (!state) {
            return [false, false];
          } else {
            must_load_on_demand = _this.save_state_handler.setInitialState(state);
            return [true, must_load_on_demand];
          }
        }
      };
    })(this);
    autoOpenNodes = (function(_this) {
      return function() {
        var max_level, must_load_on_demand;
        if (_this.options.autoOpen === false) {
          return false;
        }
        max_level = _this._getAutoOpenMaxLevel();
        must_load_on_demand = false;
        _this.tree.iterate(function(node, level) {
          if (node.load_on_demand) {
            must_load_on_demand = true;
            return false;
          } else if (!node.hasChildren()) {
            return false;
          } else {
            node.is_open = true;
            return level !== max_level;
          }
        });
        return must_load_on_demand;
      };
    })(this);
    ref2 = restoreState(), is_restored = ref2[0], must_load_on_demand = ref2[1];
    if (!is_restored) {
      must_load_on_demand = autoOpenNodes();
    }
    return must_load_on_demand;
  };

  JqTreeWidget.prototype._setInitialStateOnDemand = function(cb_finished) {
    var autoOpenNodes, restoreState;
    restoreState = (function(_this) {
      return function() {
        var state;
        if (!(_this.options.saveState && _this.save_state_handler)) {
          return false;
        } else {
          state = _this.save_state_handler.getStateFromStorage();
          if (!state) {
            return false;
          } else {
            _this.save_state_handler.setInitialStateOnDemand(state, cb_finished);
            return true;
          }
        }
      };
    })(this);
    autoOpenNodes = (function(_this) {
      return function() {
        var loadAndOpenNode, loading_count, max_level, openNodes;
        max_level = _this._getAutoOpenMaxLevel();
        loading_count = 0;
        loadAndOpenNode = function(node) {
          loading_count += 1;
          return _this._openNode(node, false, function() {
            loading_count -= 1;
            return openNodes();
          });
        };
        openNodes = function() {
          _this.tree.iterate(function(node, level) {
            if (node.load_on_demand) {
              if (!node.is_loading) {
                loadAndOpenNode(node);
              }
              return false;
            } else {
              _this._openNode(node, false);
              return level !== max_level;
            }
          });
          if (loading_count === 0) {
            return cb_finished();
          }
        };
        return openNodes();
      };
    })(this);
    if (!restoreState()) {
      return autoOpenNodes();
    }
  };

  JqTreeWidget.prototype._getAutoOpenMaxLevel = function() {
    if (this.options.autoOpen === true) {
      return -1;
    } else {
      return parseInt(this.options.autoOpen);
    }
  };


  /*
  Redraw the tree or part of the tree.
   * from_node: redraw this subtree
   */

  JqTreeWidget.prototype._refreshElements = function(from_node) {
    if (from_node == null) {
      from_node = null;
    }
    this.renderer.render(from_node);
    return this._triggerEvent('tree.refresh');
  };

  JqTreeWidget.prototype._click = function(e) {
    var click_target, event, node;
    click_target = this._getClickTarget(e.target);
    if (click_target) {
      if (click_target.type === 'button') {
        this.toggle(click_target.node, this.options.slide);
        e.preventDefault();
        return e.stopPropagation();
      } else if (click_target.type === 'label') {
        node = click_target.node;
        event = this._triggerEvent('tree.click', {
          node: node,
          click_event: e
        });
        if (!event.isDefaultPrevented()) {
          return this._selectNode(node, true);
        }
      }
    }
  };

  JqTreeWidget.prototype._dblclick = function(e) {
    var click_target;
    click_target = this._getClickTarget(e.target);
    if (click_target && click_target.type === 'label') {
      return this._triggerEvent('tree.dblclick', {
        node: click_target.node,
        click_event: e
      });
    }
  };

  JqTreeWidget.prototype._getClickTarget = function(element) {
    var $button, $el, $target, node;
    $target = $(element);
    $button = $target.closest('.jqtree-toggler');
    if ($button.length) {
      node = this._getNode($button);
      if (node) {
        return {
          type: 'button',
          node: node
        };
      }
    } else {
      $el = $target.closest('.jqtree-element');
      if ($el.length) {
        node = this._getNode($el);
        if (node) {
          return {
            type: 'label',
            node: node
          };
        }
      }
    }
    return null;
  };

  JqTreeWidget.prototype._getNode = function($element) {
    var $li;
    $li = $element.closest('li.jqtree_common');
    if ($li.length === 0) {
      return null;
    } else {
      return $li.data('node');
    }
  };

  JqTreeWidget.prototype._getNodeElementForNode = function(node) {
    if (node.isFolder()) {
      return new FolderElement(node, this);
    } else {
      return new NodeElement(node, this);
    }
  };

  JqTreeWidget.prototype._getNodeElement = function($element) {
    var node;
    node = this._getNode($element);
    if (node) {
      return this._getNodeElementForNode(node);
    } else {
      return null;
    }
  };

  JqTreeWidget.prototype._contextmenu = function(e) {
    var $div, node;
    $div = $(e.target).closest('ul.jqtree-tree .jqtree-element');
    if ($div.length) {
      node = this._getNode($div);
      if (node) {
        e.preventDefault();
        e.stopPropagation();
        this._triggerEvent('tree.contextmenu', {
          node: node,
          click_event: e
        });
        return false;
      }
    }
  };

  JqTreeWidget.prototype._saveState = function() {
    if (this.options.saveState) {
      return this.save_state_handler.saveState();
    }
  };

  JqTreeWidget.prototype._mouseCapture = function(position_info) {
    if (this.options.dragAndDrop) {
      return this.dnd_handler.mouseCapture(position_info);
    } else {
      return false;
    }
  };

  JqTreeWidget.prototype._mouseStart = function(position_info) {
    if (this.options.dragAndDrop) {
      return this.dnd_handler.mouseStart(position_info);
    } else {
      return false;
    }
  };

  JqTreeWidget.prototype._mouseDrag = function(position_info) {
    var result;
    if (this.options.dragAndDrop) {
      result = this.dnd_handler.mouseDrag(position_info);
      if (this.scroll_handler) {
        this.scroll_handler.checkScrolling();
      }
      return result;
    } else {
      return false;
    }
  };

  JqTreeWidget.prototype._mouseStop = function(position_info) {
    if (this.options.dragAndDrop) {
      return this.dnd_handler.mouseStop(position_info);
    } else {
      return false;
    }
  };

  JqTreeWidget.prototype._triggerEvent = function(event_name, values) {
    var event;
    event = $.Event(event_name);
    $.extend(event, values);
    this.element.trigger(event);
    return event;
  };

  JqTreeWidget.prototype.testGenerateHitAreas = function(moving_node) {
    this.dnd_handler.current_item = this._getNodeElementForNode(moving_node);
    this.dnd_handler.generateHitAreas();
    return this.dnd_handler.hit_areas;
  };

  JqTreeWidget.prototype._selectCurrentNode = function() {
    var node, node_element;
    node = this.getSelectedNode();
    if (node) {
      node_element = this._getNodeElementForNode(node);
      if (node_element) {
        return node_element.select();
      }
    }
  };

  JqTreeWidget.prototype._deselectCurrentNode = function() {
    var node;
    node = this.getSelectedNode();
    if (node) {
      return this.removeFromSelection(node);
    }
  };

  JqTreeWidget.prototype._getDefaultClosedIcon = function() {
    if (this.options.rtl) {
      return '&#x25c0;';
    } else {
      return '&#x25ba;';
    }
  };

  JqTreeWidget.prototype._getRtlOption = function() {
    var data_rtl;
    if (this.options.rtl !== null) {
      return this.options.rtl;
    } else {
      data_rtl = this.element.data('rtl');
      if ((data_rtl != null) && data_rtl !== false) {
        return true;
      } else {
        return false;
      }
    }
  };

  JqTreeWidget.prototype._notifyLoading = function(is_loading, node, $el) {
    if (this.options.onLoading) {
      return this.options.onLoading(is_loading, node, $el);
    }
  };

  return JqTreeWidget;

})(MouseWidget);

JqTreeWidget.getModule = function(name) {
  var modules;
  modules = {
    'node': node_module,
    'util': util_module
  };
  return modules[name];
};

SimpleWidget.register(JqTreeWidget, 'tree');

},{"./drag_and_drop_handler":1,"./elements_renderer":2,"./key_handler":3,"./mouse.widget":4,"./node":5,"./node_element":6,"./save_state_handler":7,"./scroll_handler":8,"./select_node_handler":9,"./simple.widget":10,"./util":12,"./version":13}],12:[function(require,module,exports){
var _indexOf, getBoolString, html_escape, indexOf, isInt;

_indexOf = function(array, item) {
  var i, j, len, value;
  for (i = j = 0, len = array.length; j < len; i = ++j) {
    value = array[i];
    if (value === item) {
      return i;
    }
  }
  return -1;
};

indexOf = function(array, item) {
  if (array.indexOf) {
    return array.indexOf(item);
  } else {
    return _indexOf(array, item);
  }
};

isInt = function(n) {
  return typeof n === 'number' && n % 1 === 0;
};

html_escape = function(string) {
  return ('' + string).replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;').replace(/'/g, '&#x27;').replace(/\//g, '&#x2F;');
};

getBoolString = function(value) {
  if (value) {
    return 'true';
  } else {
    return 'false';
  }
};

module.exports = {
  _indexOf: _indexOf,
  getBoolString: getBoolString,
  html_escape: html_escape,
  indexOf: indexOf,
  isInt: isInt
};

},{}],13:[function(require,module,exports){
module.exports = '1.3.2';

},{}]},{},[11]);