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[Fmsystem-commits] [12449]


From: Nelson Guerra
Subject: [Fmsystem-commits] [12449]
Date: Thu, 11 Dec 2014 23:12:58 +0000

Revision: 12449
          http://svn.sv.gnu.org/viewvc/?view=rev&root=fmsystem&revision=12449
Author:   nelson224
Date:     2014-12-11 23:12:57 +0000 (Thu, 11 Dec 2014)
Log Message:
-----------


Added Paths:
-----------
    branches/dev-syncromind/phpgwapi/js/jquery/treeview/jstree.js
    branches/dev-syncromind/phpgwapi/js/jquery/treeview/jstree.min.js
    branches/dev-syncromind/phpgwapi/js/jquery/treeview/themes/
    branches/dev-syncromind/phpgwapi/js/jquery/treeview/themes/default/
    branches/dev-syncromind/phpgwapi/js/jquery/treeview/themes/default/32px.png
    branches/dev-syncromind/phpgwapi/js/jquery/treeview/themes/default/40px.png
    branches/dev-syncromind/phpgwapi/js/jquery/treeview/themes/default/style.css
    
branches/dev-syncromind/phpgwapi/js/jquery/treeview/themes/default/style.min.css
    
branches/dev-syncromind/phpgwapi/js/jquery/treeview/themes/default/throbber.gif
    branches/dev-syncromind/phpgwapi/js/jquery/treeview/themes/default-dark/
    
branches/dev-syncromind/phpgwapi/js/jquery/treeview/themes/default-dark/32px.png
    
branches/dev-syncromind/phpgwapi/js/jquery/treeview/themes/default-dark/40px.png
    
branches/dev-syncromind/phpgwapi/js/jquery/treeview/themes/default-dark/style.css
    
branches/dev-syncromind/phpgwapi/js/jquery/treeview/themes/default-dark/style.min.css
    
branches/dev-syncromind/phpgwapi/js/jquery/treeview/themes/default-dark/throbber.gif

Removed Paths:
-------------
    branches/dev-syncromind/phpgwapi/js/jquery/treeview/jquery.treeview.async.js
    branches/dev-syncromind/phpgwapi/js/jquery/treeview/jquery.treeview.edit.js
    branches/dev-syncromind/phpgwapi/js/jquery/treeview/jquery.treeview.js

Deleted: 
branches/dev-syncromind/phpgwapi/js/jquery/treeview/jquery.treeview.async.js
===================================================================
--- 
branches/dev-syncromind/phpgwapi/js/jquery/treeview/jquery.treeview.async.js    
    2014-12-11 23:12:51 UTC (rev 12448)
+++ 
branches/dev-syncromind/phpgwapi/js/jquery/treeview/jquery.treeview.async.js    
    2014-12-11 23:12:57 UTC (rev 12449)
@@ -1,110 +0,0 @@
-/*
- * Async Treeview 0.1 - Lazy-loading extension for Treeview
- * 
- * http://bassistance.de/jquery-plugins/jquery-plugin-treeview/
- *
- * Copyright (c) 2007 Jörn Zaefferer
- *
- * Dual licensed under the MIT and GPL licenses:
- *   http://www.opensource.org/licenses/mit-license.php
- *   http://www.gnu.org/licenses/gpl.html
- *
- * Revision: $Id$
- *
- */
-
-;(function($) {
-
-function load(settings, root, child, container) {
-       function createNode(parent) {
-               var current = $("<li/>").attr("id", this.id || 
"").html("<span>" + this.text + "</span>").appendTo(parent);
-               if (this.classes) {
-                       current.children("span").addClass(this.classes);
-               }
-               if (this.expanded) {
-                       current.addClass("open");
-               }
-               if (this.hasChildren || this.children && this.children.length) {
-                       var branch = $("<ul/>").appendTo(current);
-                       if (this.hasChildren) {
-                               current.addClass("hasChildren");
-                               createNode.call({
-                                       classes: "placeholder",
-                                       text: "&nbsp;",
-                                       children:[]
-                               }, branch);
-                       }
-                       if (this.children && this.children.length) {
-                               $.each(this.children, createNode, [branch])
-                       }
-               }
-       }
-       $.ajax($.extend(true, {
-               url: settings.url,
-               dataType: "json",
-               data: {
-                       root: root
-               },
-               success: function(response) {
-                       child.empty();
-                       $.each(response, createNode, [child]);
-               $(container).treeview({add: child});
-           }
-       }, settings.ajax));
-       /*
-       $.getJSON(settings.url, {root: root}, function(response) {
-               function createNode(parent) {
-                       var current = $("<li/>").attr("id", this.id || 
"").html("<span>" + this.text + "</span>").appendTo(parent);
-                       if (this.classes) {
-                               current.children("span").addClass(this.classes);
-                       }
-                       if (this.expanded) {
-                               current.addClass("open");
-                       }
-                       if (this.hasChildren || this.children && 
this.children.length) {
-                               var branch = $("<ul/>").appendTo(current);
-                               if (this.hasChildren) {
-                                       current.addClass("hasChildren");
-                                       createNode.call({
-                                               classes: "placeholder",
-                                               text: "&nbsp;",
-                                               children:[]
-                                       }, branch);
-                               }
-                               if (this.children && this.children.length) {
-                                       $.each(this.children, createNode, 
[branch])
-                               }
-                       }
-               }
-               child.empty();
-               $.each(response, createNode, [child]);
-        $(container).treeview({add: child});
-    });
-    */
-}
-
-var proxied = $.fn.treeview;
-$.fn.treeview = function(settings) {
-       if (!settings.url) {
-               return proxied.apply(this, arguments);
-       }
-       var container = this;
-       if (!container.children().size())
-               load(settings, "source", this, container);
-       var userToggle = settings.toggle;
-       return proxied.call(this, $.extend({}, settings, {
-               collapsed: true,
-               toggle: function() {
-                       var $this = $(this);
-                       if ($this.hasClass("hasChildren")) {
-                               var childList = 
$this.removeClass("hasChildren").find("ul");
-                               load(settings, this.id, childList, container);
-                       }
-                       if (userToggle) {
-                               userToggle.apply(this, arguments);
-                       }
-               }
-       }));
-};
-
-})(jQuery);
\ No newline at end of file

Deleted: 
branches/dev-syncromind/phpgwapi/js/jquery/treeview/jquery.treeview.edit.js
===================================================================
--- branches/dev-syncromind/phpgwapi/js/jquery/treeview/jquery.treeview.edit.js 
2014-12-11 23:12:51 UTC (rev 12448)
+++ branches/dev-syncromind/phpgwapi/js/jquery/treeview/jquery.treeview.edit.js 
2014-12-11 23:12:57 UTC (rev 12449)
@@ -1,37 +0,0 @@
-(function($) {
-       var CLASSES = $.treeview.classes;
-       var proxied = $.fn.treeview;
-       $.fn.treeview = function(settings) {
-               settings = $.extend({}, settings);
-               if (settings.add) {
-                       return this.trigger("add", [settings.add]);
-               }
-               if (settings.remove) {
-                       return this.trigger("remove", [settings.remove]);
-               }
-               return proxied.apply(this, arguments).bind("add", 
function(event, branches) {
-                       $(branches).prev()
-                               .removeClass(CLASSES.last)
-                               .removeClass(CLASSES.lastCollapsable)
-                               .removeClass(CLASSES.lastExpandable)
-                       .find(">.hitarea")
-                               .removeClass(CLASSES.lastCollapsableHitarea)
-                               .removeClass(CLASSES.lastExpandableHitarea);
-                       
$(branches).find("li").andSelf().prepareBranches(settings).applyClasses(settings,
 $(this).data("toggler"));
-               }).bind("remove", function(event, branches) {
-                       var prev = $(branches).prev();
-                       var parent = $(branches).parent();
-                       $(branches).remove();
-                       prev.filter(":last-child").addClass(CLASSES.last)
-                               .filter("." + 
CLASSES.expandable).replaceClass(CLASSES.last, CLASSES.lastExpandable).end()
-                               
.find(">.hitarea").replaceClass(CLASSES.expandableHitarea, 
CLASSES.lastExpandableHitarea).end()
-                               .filter("." + 
CLASSES.collapsable).replaceClass(CLASSES.last, CLASSES.lastCollapsable).end()
-                               
.find(">.hitarea").replaceClass(CLASSES.collapsableHitarea, 
CLASSES.lastCollapsableHitarea);
-                       if (parent.is(":not(:has(>))") && parent[0] != this) {
-                               
parent.parent().removeClass(CLASSES.collapsable).removeClass(CLASSES.expandable)
-                               parent.siblings(".hitarea").andSelf().remove();
-                       }
-               });
-       };
-       
-})(jQuery);
\ No newline at end of file

Deleted: branches/dev-syncromind/phpgwapi/js/jquery/treeview/jquery.treeview.js
===================================================================
--- branches/dev-syncromind/phpgwapi/js/jquery/treeview/jquery.treeview.js      
2014-12-11 23:12:51 UTC (rev 12448)
+++ branches/dev-syncromind/phpgwapi/js/jquery/treeview/jquery.treeview.js      
2014-12-11 23:12:57 UTC (rev 12449)
@@ -1,256 +0,0 @@
-/*
- * Treeview 1.5pre - jQuery plugin to hide and show branches of a tree
- * 
- * http://bassistance.de/jquery-plugins/jquery-plugin-treeview/
- * http://docs.jquery.com/Plugins/Treeview
- *
- * Copyright (c) 2007 Jörn Zaefferer
- *
- * Dual licensed under the MIT and GPL licenses:
- *   http://www.opensource.org/licenses/mit-license.php
- *   http://www.gnu.org/licenses/gpl.html
- *
- * Revision: $Id: jquery.treeview.js 5759 2008-07-01 07:50:28Z joern.zaefferer 
$
- *
- */
-
-;(function($) {
-
-       // TODO rewrite as a widget, removing all the extra plugins
-       $.extend($.fn, {
-               swapClass: function(c1, c2) {
-                       var c1Elements = this.filter('.' + c1);
-                       this.filter('.' + c2).removeClass(c2).addClass(c1);
-                       c1Elements.removeClass(c1).addClass(c2);
-                       return this;
-               },
-               replaceClass: function(c1, c2) {
-                       return this.filter('.' + 
c1).removeClass(c1).addClass(c2).end();
-               },
-               hoverClass: function(className) {
-                       className = className || "hover";
-                       return this.hover(function() {
-                               $(this).addClass(className);
-                       }, function() {
-                               $(this).removeClass(className);
-                       });
-               },
-               heightToggle: function(animated, callback) {
-                       animated ?
-                               this.animate({ height: "toggle" }, animated, 
callback) :
-                               this.each(function(){
-                                       jQuery(this)[ 
jQuery(this).is(":hidden") ? "show" : "hide" ]();
-                                       if(callback)
-                                               callback.apply(this, arguments);
-                               });
-               },
-               heightHide: function(animated, callback) {
-                       if (animated) {
-                               this.animate({ height: "hide" }, animated, 
callback);
-                       } else {
-                               this.hide();
-                               if (callback)
-                                       this.each(callback);                    
        
-                       }
-               },
-               prepareBranches: function(settings) {
-                       if (!settings.prerendered) {
-                               // mark last tree items
-                               
this.filter(":last-child:not(ul)").addClass(CLASSES.last);
-                               // collapse whole tree, or only those marked as 
closed, anyway except those marked as open
-                               this.filter((settings.collapsed ? "" : "." + 
CLASSES.closed) + ":not(." + CLASSES.open + ")").find(">ul").hide();
-                       }
-                       // return all items with sublists
-                       return this.filter(":has(>ul)");
-               },
-               applyClasses: function(settings, toggler) {
-                       // TODO use event delegation
-                       
this.filter(":has(>ul):not(:has(>a))").find(">span").unbind("click.treeview").bind("click.treeview",
 function(event) {
-                               // don't handle click events on children, eg. 
checkboxes
-                               if ( this == event.target )
-                                       toggler.apply($(this).next());
-                       }).add( $("a", this) ).hoverClass();
-                       
-                       if (!settings.prerendered) {
-                               // handle closed ones first
-                               this.filter(":has(>ul:hidden)")
-                                               .addClass(CLASSES.expandable)
-                                               .replaceClass(CLASSES.last, 
CLASSES.lastExpandable);
-                                               
-                               // handle open ones
-                               this.not(":has(>ul:hidden)")
-                                               .addClass(CLASSES.collapsable)
-                                               .replaceClass(CLASSES.last, 
CLASSES.lastCollapsable);
-                                               
-                   // create hitarea if not present
-                               var hitarea = this.find("div." + 
CLASSES.hitarea);
-                               if (!hitarea.length)
-                                       hitarea = this.prepend("<div class=\"" 
+ CLASSES.hitarea + "\"/>").find("div." + CLASSES.hitarea);
-                               
hitarea.removeClass().addClass(CLASSES.hitarea).each(function() {
-                                       var classes = "";
-                                       
$.each($(this).parent().attr("class").split(" "), function() {
-                                               classes += this + "-hitarea ";
-                                       });
-                                       $(this).addClass( classes );
-                               })
-                       }
-                       
-                       // apply event to hitarea
-                       this.find("div." + CLASSES.hitarea).click( toggler );
-               },
-               treeview: function(settings) {
-                       
-                       settings = $.extend({
-                               cookieId: "treeview"
-                       }, settings);
-                       
-                       if ( settings.toggle ) {
-                               var callback = settings.toggle;
-                               settings.toggle = function() {
-                                       return 
callback.apply($(this).parent()[0], arguments);
-                               };
-                       }
-               
-                       // factory for treecontroller
-                       function treeController(tree, control) {
-                               // factory for click handlers
-                               function handler(filter) {
-                                       return function() {
-                                               // reuse toggle event handler, 
applying the elements to toggle
-                                               // start searching for all 
hitareas
-                                               toggler.apply( $("div." + 
CLASSES.hitarea, tree).filter(function() {
-                                                       // for plain toggle, no 
filter is provided, otherwise we need to check the parent element
-                                                       return filter ? 
$(this).parent("." + filter).length : true;
-                                               }) );
-                                               return false;
-                                       };
-                               }
-                               // click on first element to collapse tree
-                               $("a:eq(0)", control).click( 
handler(CLASSES.collapsable) );
-                               // click on second to expand tree
-                               $("a:eq(1)", control).click( 
handler(CLASSES.expandable) );
-                               // click on third to toggle tree
-                               $("a:eq(2)", control).click( handler() ); 
-                       }
-               
-                       // handle toggle event
-                       function toggler() {
-                               $(this)
-                                       .parent()
-                                       // swap classes for hitarea
-                                       .find(">.hitarea")
-                                               .swapClass( 
CLASSES.collapsableHitarea, CLASSES.expandableHitarea )
-                                               .swapClass( 
CLASSES.lastCollapsableHitarea, CLASSES.lastExpandableHitarea )
-                                       .end()
-                                       // swap classes for parent li
-                                       .swapClass( CLASSES.collapsable, 
CLASSES.expandable )
-                                       .swapClass( CLASSES.lastCollapsable, 
CLASSES.lastExpandable )
-                                       // find child lists
-                                       .find( ">ul" )
-                                       // toggle them
-                                       .heightToggle( settings.animated, 
settings.toggle );
-                               if ( settings.unique ) {
-                                       $(this).parent()
-                                               .siblings()
-                                               // swap classes for hitarea
-                                               .find(">.hitarea")
-                                                       .replaceClass( 
CLASSES.collapsableHitarea, CLASSES.expandableHitarea )
-                                                       .replaceClass( 
CLASSES.lastCollapsableHitarea, CLASSES.lastExpandableHitarea )
-                                               .end()
-                                               .replaceClass( 
CLASSES.collapsable, CLASSES.expandable )
-                                               .replaceClass( 
CLASSES.lastCollapsable, CLASSES.lastExpandable )
-                                               .find( ">ul" )
-                                               .heightHide( settings.animated, 
settings.toggle );
-                               }
-                       }
-                       this.data("toggler", toggler);
-                       
-                       function serialize() {
-                               function binary(arg) {
-                                       return arg ? 1 : 0;
-                               }
-                               var data = [];
-                               branches.each(function(i, e) {
-                                       data[i] = $(e).is(":has(>ul:visible)") 
? 1 : 0;
-                               });
-                               $.cookie(settings.cookieId, data.join(""), 
settings.cookieOptions );
-                       }
-                       
-                       function deserialize() {
-                               var stored = $.cookie(settings.cookieId);
-                               if ( stored ) {
-                                       var data = stored.split("");
-                                       branches.each(function(i, e) {
-                                               $(e).find(">ul")[ 
parseInt(data[i]) ? "show" : "hide" ]();
-                                       });
-                               }
-                       }
-                       
-                       // add treeview class to activate styles
-                       this.addClass("treeview");
-                       
-                       // prepare branches and find all tree items with child 
lists
-                       var branches = 
this.find("li").prepareBranches(settings);
-                       
-                       switch(settings.persist) {
-                       case "cookie":
-                               var toggleCallback = settings.toggle;
-                               settings.toggle = function() {
-                                       serialize();
-                                       if (toggleCallback) {
-                                               toggleCallback.apply(this, 
arguments);
-                                       }
-                               };
-                               deserialize();
-                               break;
-                       case "location":
-                               var current = this.find("a").filter(function() {
-                                       return this.href.toLowerCase() == 
location.href.toLowerCase();
-                               });
-                               if ( current.length ) {
-                                       // TODO update the open/closed classes
-                                       var items = 
current.addClass("selected").parents("ul, li").add( current.next() ).show();
-                                       if (settings.prerendered) {
-                                               // if prerendered is on, 
replicate the basic class swapping
-                                               items.filter("li")
-                                                       .swapClass( 
CLASSES.collapsable, CLASSES.expandable )
-                                                       .swapClass( 
CLASSES.lastCollapsable, CLASSES.lastExpandable )
-                                                       .find(">.hitarea")
-                                                               .swapClass( 
CLASSES.collapsableHitarea, CLASSES.expandableHitarea )
-                                                               .swapClass( 
CLASSES.lastCollapsableHitarea, CLASSES.lastExpandableHitarea );
-                                       }
-                               }
-                               break;
-                       }
-                       
-                       branches.applyClasses(settings, toggler);
-                               
-                       // if control option is set, create the treecontroller 
and show it
-                       if ( settings.control ) {
-                               treeController(this, settings.control);
-                               $(settings.control).show();
-                       }
-                       
-                       return this;
-               }
-       });
-       
-       // classes used by the plugin
-       // need to be styled via external stylesheet, see first example
-       $.treeview = {};
-       var CLASSES = ($.treeview.classes = {
-               open: "open",
-               closed: "closed",
-               expandable: "expandable",
-               expandableHitarea: "expandable-hitarea",
-               lastExpandableHitarea: "lastExpandable-hitarea",
-               collapsable: "collapsable",
-               collapsableHitarea: "collapsable-hitarea",
-               lastCollapsableHitarea: "lastCollapsable-hitarea",
-               lastCollapsable: "lastCollapsable",
-               lastExpandable: "lastExpandable",
-               last: "last",
-               hitarea: "hitarea"
-       });
-       
-})(jQuery);
\ No newline at end of file

Added: branches/dev-syncromind/phpgwapi/js/jquery/treeview/jstree.js
===================================================================
--- branches/dev-syncromind/phpgwapi/js/jquery/treeview/jstree.js               
                (rev 0)
+++ branches/dev-syncromind/phpgwapi/js/jquery/treeview/jstree.js       
2014-12-11 23:12:57 UTC (rev 12449)
@@ -0,0 +1,7073 @@
+/*globals jQuery, define, exports, require, window, document, postMessage */
+(function (factory) {
+       "use strict";
+       if (typeof define === 'function' && define.amd) {
+               define(['jquery'], factory);
+       }
+       else if(typeof exports === 'object') {
+               factory(require('jquery'));
+       }
+       else {
+               factory(jQuery);
+       }
+}(function ($, undefined) {
+       "use strict";
+/*!
+ * jsTree 3.0.8
+ * http://jstree.com/
+ *
+ * Copyright (c) 2014 Ivan Bozhanov (http://vakata.com)
+ *
+ * Licensed same as jquery - under the terms of the MIT License
+ *   http://www.opensource.org/licenses/mit-license.php
+ */
+/*!
+ * if using jslint please allow for the jQuery global and use following 
options: 
+ * jslint: browser: true, ass: true, bitwise: true, continue: true, nomen: 
true, plusplus: true, regexp: true, unparam: true, todo: true, white: true
+ */
+
+       // prevent another load? maybe there is a better way?
+       if($.jstree) {
+               return;
+       }
+
+       /**
+        * ### jsTree core functionality
+        */
+
+       // internal variables
+       var instance_counter = 0,
+               ccp_node = false,
+               ccp_mode = false,
+               ccp_inst = false,
+               themes_loaded = [],
+               src = $('script:last').attr('src'),
+               _d = document, _node = _d.createElement('LI'), _temp1, _temp2;
+
+       _node.setAttribute('role', 'treeitem');
+       _temp1 = _d.createElement('I');
+       _temp1.className = 'jstree-icon jstree-ocl';
+       _temp1.setAttribute('role', 'presentation');
+       _node.appendChild(_temp1);
+       _temp1 = _d.createElement('A');
+       _temp1.className = 'jstree-anchor';
+       _temp1.setAttribute('href','#');
+       _temp1.setAttribute('tabindex','-1');
+       _temp2 = _d.createElement('I');
+       _temp2.className = 'jstree-icon jstree-themeicon';
+       _temp2.setAttribute('role', 'presentation');
+       _temp1.appendChild(_temp2);
+       _node.appendChild(_temp1);
+       _temp1 = _temp2 = null;
+
+
+       /**
+        * holds all jstree related functions and variables, including the 
actual class and methods to create, access and manipulate instances.
+        * @name $.jstree
+        */
+       $.jstree = {
+               /** 
+                * specifies the jstree version in use
+                * @name $.jstree.version
+                */
+               version : '3.0.8',
+               /**
+                * holds all the default options used when creating new 
instances
+                * @name $.jstree.defaults
+                */
+               defaults : {
+                       /**
+                        * configure which plugins will be active on an 
instance. Should be an array of strings, where each element is a plugin name. 
The default is `[]`
+                        * @name $.jstree.defaults.plugins
+                        */
+                       plugins : []
+               },
+               /**
+                * stores all loaded jstree plugins (used internally)
+                * @name $.jstree.plugins
+                */
+               plugins : {},
+               path : src && src.indexOf('/') !== -1 ? 
src.replace(/\/[^\/]+$/,'') : '',
+               idregex : /[\\:&!^|()\[\]<>@*'+~#";.,=\- \/${}%]/g
+       };
+       /**
+        * creates a jstree instance
+        * @name $.jstree.create(el [, options])
+        * @param {DOMElement|jQuery|String} el the element to create the 
instance on, can be jQuery extended or a selector
+        * @param {Object} options options for this instance (extends 
`$.jstree.defaults`)
+        * @return {jsTree} the new instance
+        */
+       $.jstree.create = function (el, options) {
+               var tmp = new $.jstree.core(++instance_counter),
+                       opt = options;
+               options = $.extend(true, {}, $.jstree.defaults, options);
+               if(opt && opt.plugins) {
+                       options.plugins = opt.plugins;
+               }
+               $.each(options.plugins, function (i, k) {
+                       if(i !== 'core') {
+                               tmp = tmp.plugin(k, options[k]);
+                       }
+               });
+               tmp.init(el, options);
+               return tmp;
+       };
+       /**
+        * remove all traces of jstree from the DOM and destroy all instances
+        * @name $.jstree.destroy()
+        */
+       $.jstree.destroy = function () {
+               $('.jstree:jstree').jstree('destroy');
+               $(document).off('.jstree');
+       };
+       /**
+        * the jstree class constructor, used only internally
+        * @private
+        * @name $.jstree.core(id)
+        * @param {Number} id this instance's index
+        */
+       $.jstree.core = function (id) {
+               this._id = id;
+               this._cnt = 0;
+               this._wrk = null;
+               this._data = {
+                       core : {
+                               themes : {
+                                       name : false,
+                                       dots : false,
+                                       icons : false
+                               },
+                               selected : [],
+                               last_error : {},
+                               working : false,
+                               worker_queue : [],
+                               focused : null
+                       }
+               };
+       };
+       /**
+        * get a reference to an existing instance
+        *
+        * __Examples__
+        *
+        *      // provided a container with an ID of "tree", and a nested node 
with an ID of "branch"
+        *      // all of there will return the same instance
+        *      $.jstree.reference('tree');
+        *      $.jstree.reference('#tree');
+        *      $.jstree.reference($('#tree'));
+        *      $.jstree.reference(document.getElementByID('tree'));
+        *      $.jstree.reference('branch');
+        *      $.jstree.reference('#branch');
+        *      $.jstree.reference($('#branch'));
+        *      $.jstree.reference(document.getElementByID('branch'));
+        *
+        * @name $.jstree.reference(needle)
+        * @param {DOMElement|jQuery|String} needle
+        * @return {jsTree|null} the instance or `null` if not found
+        */
+       $.jstree.reference = function (needle) {
+               var tmp = null,
+                       obj = null;
+               if(needle && needle.id) { needle = needle.id; }
+
+               if(!obj || !obj.length) {
+                       try { obj = $(needle); } catch (ignore) { }
+               }
+               if(!obj || !obj.length) {
+                       try { obj = $('#' + 
needle.replace($.jstree.idregex,'\\$&')); } catch (ignore) { }
+               }
+               if(obj && obj.length && (obj = obj.closest('.jstree')).length 
&& (obj = obj.data('jstree'))) {
+                       tmp = obj;
+               }
+               else {
+                       $('.jstree').each(function () {
+                               var inst = $(this).data('jstree');
+                               if(inst && inst._model.data[needle]) {
+                                       tmp = inst;
+                                       return false;
+                               }
+                       });
+               }
+               return tmp;
+       };
+       /**
+        * Create an instance, get an instance or invoke a command on a 
instance. 
+        * 
+        * If there is no instance associated with the current node a new one 
is created and `arg` is used to extend `$.jstree.defaults` for this new 
instance. There would be no return value (chaining is not broken).
+        * 
+        * If there is an existing instance and `arg` is a string the command 
specified by `arg` is executed on the instance, with any additional arguments 
passed to the function. If the function returns a value it will be returned 
(chaining could break depending on function).
+        * 
+        * If there is an existing instance and `arg` is not a string the 
instance itself is returned (similar to `$.jstree.reference`).
+        * 
+        * In any other case - nothing is returned and chaining is not broken.
+        *
+        * __Examples__
+        *
+        *      $('#tree1').jstree(); // creates an instance
+        *      $('#tree2').jstree({ plugins : [] }); // create an instance 
with some options
+        *      $('#tree1').jstree('open_node', '#branch_1'); // call a method 
on an existing instance, passing additional arguments
+        *      $('#tree2').jstree(); // get an existing instance (or create an 
instance)
+        *      $('#tree2').jstree(true); // get an existing instance (will not 
create new instance)
+        *      $('#branch_1').jstree().select_node('#branch_1'); // get an 
instance (using a nested element and call a method)
+        *
+        * @name $().jstree([arg])
+        * @param {String|Object} arg
+        * @return {Mixed}
+        */
+       $.fn.jstree = function (arg) {
+               // check for string argument
+               var is_method   = (typeof arg === 'string'),
+                       args            = Array.prototype.slice.call(arguments, 
1),
+                       result          = null;
+               if(arg === true && !this.length) { return false; }
+               this.each(function () {
+                       // get the instance (if there is one) and method (if it 
exists)
+                       var instance = $.jstree.reference(this),
+                               method = is_method && instance ? instance[arg] 
: null;
+                       // if calling a method, and method is available - 
execute on the instance
+                       result = is_method && method ?
+                               method.apply(instance, args) :
+                               null;
+                       // if there is no instance and no method is being 
called - create one
+                       if(!instance && !is_method && (arg === undefined || 
$.isPlainObject(arg))) {
+                               $(this).data('jstree', new 
$.jstree.create(this, arg));
+                       }
+                       // if there is an instance and no method is called - 
return the instance
+                       if( (instance && !is_method) || arg === true ) {
+                               result = instance || false;
+                       }
+                       // if there was a method call which returned a result - 
break and return the value
+                       if(result !== null && result !== undefined) {
+                               return false;
+                       }
+               });
+               // if there was a method call with a valid return value - 
return that, otherwise continue the chain
+               return result !== null && result !== undefined ?
+                       result : this;
+       };
+       /**
+        * used to find elements containing an instance
+        *
+        * __Examples__
+        *
+        *      $('div:jstree').each(function () {
+        *              $(this).jstree('destroy');
+        *      });
+        *
+        * @name $(':jstree')
+        * @return {jQuery}
+        */
+       $.expr[':'].jstree = $.expr.createPseudo(function(search) {
+               return function(a) {
+                       return $(a).hasClass('jstree') &&
+                               $(a).data('jstree') !== undefined;
+               };
+       });
+
+       /**
+        * stores all defaults for the core
+        * @name $.jstree.defaults.core
+        */
+       $.jstree.defaults.core = {
+               /**
+                * data configuration
+                * 
+                * If left as `false` the HTML inside the jstree container 
element is used to populate the tree (that should be an unordered list with 
list items).
+                *
+                * You can also pass in a HTML string or a JSON array here.
+                * 
+                * It is possible to pass in a standard jQuery-like AJAX config 
and jstree will automatically determine if the response is JSON or HTML and use 
that to populate the tree. 
+                * In addition to the standard jQuery ajax options here you can 
suppy functions for `data` and `url`, the functions will be run in the current 
instance's scope and a param will be passed indicating which node is being 
loaded, the return value of those functions will be used.
+                * 
+                * The last option is to specify a function, that function will 
receive the node being loaded as argument and a second param which is a 
function which should be called with the result.
+                *
+                * __Examples__
+                *
+                *      // AJAX
+                *      $('#tree').jstree({
+                *              'core' : {
+                *                      'data' : {
+                *                              'url' : '/get/children/',
+                *                              'data' : function (node) {
+                *                                      return { 'id' : node.id 
};
+                *                              }
+                *                      }
+                *              });
+                *
+                *      // direct data
+                *      $('#tree').jstree({
+                *              'core' : {
+                *                      'data' : [
+                *                              'Simple root node',
+                *                              {
+                *                                      'id' : 'node_2',
+                *                                      'text' : 'Root node 
with options',
+                *                                      'state' : { 'opened' : 
true, 'selected' : true },
+                *                                      'children' : [ { 'text' 
: 'Child 1' }, 'Child 2']
+                *                              }
+                *                      ]
+                *              });
+                *      
+                *      // function
+                *      $('#tree').jstree({
+                *              'core' : {
+                *                      'data' : function (obj, callback) {
+                *                              callback.call(this, ['Root 1', 
'Root 2']);
+                *                      }
+                *              });
+                * 
+                * @name $.jstree.defaults.core.data
+                */
+               data                    : false,
+               /**
+                * configure the various strings used throughout the tree
+                *
+                * You can use an object where the key is the string you need 
to replace and the value is your replacement.
+                * Another option is to specify a function which will be called 
with an argument of the needed string and should return the replacement.
+                * If left as `false` no replacement is made.
+                *
+                * __Examples__
+                *
+                *      $('#tree').jstree({
+                *              'core' : {
+                *                      'strings' : {
+                *                              'Loading ...' : 'Please wait 
...'
+                *                      }
+                *              }
+                *      });
+                *
+                * @name $.jstree.defaults.core.strings
+                */
+               strings                 : false,
+               /**
+                * determines what happens when a user tries to modify the 
structure of the tree
+                * If left as `false` all operations like create, rename, 
delete, move or copy are prevented.
+                * You can set this to `true` to allow all interactions or use 
a function to have better control.
+                *
+                * __Examples__
+                *
+                *      $('#tree').jstree({
+                *              'core' : {
+                *                      'check_callback' : function (operation, 
node, node_parent, node_position, more) {
+                *                              // operation can be 
'create_node', 'rename_node', 'delete_node', 'move_node' or 'copy_node'
+                *                              // in case of 'rename_node' 
node_position is filled with the new node name
+                *                              return operation === 
'rename_node' ? true : false;
+                *                      }
+                *              }
+                *      });
+                * 
+                * @name $.jstree.defaults.core.check_callback
+                */
+               check_callback  : false,
+               /**
+                * a callback called with a single object parameter in the 
instance's scope when something goes wrong (operation prevented, ajax failed, 
etc)
+                * @name $.jstree.defaults.core.error
+                */
+               error                   : $.noop,
+               /**
+                * the open / close animation duration in milliseconds - set 
this to `false` to disable the animation (default is `200`)
+                * @name $.jstree.defaults.core.animation
+                */
+               animation               : 200,
+               /**
+                * a boolean indicating if multiple nodes can be selected
+                * @name $.jstree.defaults.core.multiple
+                */
+               multiple                : true,
+               /**
+                * theme configuration object
+                * @name $.jstree.defaults.core.themes
+                */
+               themes                  : {
+                       /**
+                        * the name of the theme to use (if left as `false` the 
default theme is used)
+                        * @name $.jstree.defaults.core.themes.name
+                        */
+                       name                    : false,
+                       /**
+                        * the URL of the theme's CSS file, leave this as 
`false` if you have manually included the theme CSS (recommended). You can set 
this to `true` too which will try to autoload the theme.
+                        * @name $.jstree.defaults.core.themes.url
+                        */
+                       url                             : false,
+                       /**
+                        * the location of all jstree themes - only used if 
`url` is set to `true`
+                        * @name $.jstree.defaults.core.themes.dir
+                        */
+                       dir                             : false,
+                       /**
+                        * a boolean indicating if connecting dots are shown
+                        * @name $.jstree.defaults.core.themes.dots
+                        */
+                       dots                    : true,
+                       /**
+                        * a boolean indicating if node icons are shown
+                        * @name $.jstree.defaults.core.themes.icons
+                        */
+                       icons                   : true,
+                       /**
+                        * a boolean indicating if the tree background is 
striped
+                        * @name $.jstree.defaults.core.themes.stripes
+                        */
+                       stripes                 : false,
+                       /**
+                        * a string (or boolean `false`) specifying the theme 
variant to use (if the theme supports variants)
+                        * @name $.jstree.defaults.core.themes.variant
+                        */
+                       variant                 : false,
+                       /**
+                        * a boolean specifying if a reponsive version of the 
theme should kick in on smaller screens (if the theme supports it). Defaults to 
`false`.
+                        * @name $.jstree.defaults.core.themes.responsive
+                        */
+                       responsive              : false
+               },
+               /**
+                * if left as `true` all parents of all selected nodes will be 
opened once the tree loads (so that all selected nodes are visible to the user)
+                * @name $.jstree.defaults.core.expand_selected_onload
+                */
+               expand_selected_onload : true,
+               /**
+                * if left as `true` web workers will be used to parse incoming 
JSON data where possible, so that the UI will not be blocked by large requests. 
Workers are however about 30% slower. Defaults to `true`
+                * @name $.jstree.defaults.core.worker
+                */
+               worker : true,
+               /**
+                * Force node text to plain text (and escape HTML). Defaults to 
`false`
+                * @name $.jstree.defaults.core.force_text
+                */
+               force_text : false
+       };
+       $.jstree.core.prototype = {
+               /**
+                * used to decorate an instance with a plugin. Used internally.
+                * @private
+                * @name plugin(deco [, opts])
+                * @param  {String} deco the plugin to decorate with
+                * @param  {Object} opts options for the plugin
+                * @return {jsTree}
+                */
+               plugin : function (deco, opts) {
+                       var Child = $.jstree.plugins[deco];
+                       if(Child) {
+                               this._data[deco] = {};
+                               Child.prototype = this;
+                               return new Child(opts, this);
+                       }
+                       return this;
+               },
+               /**
+                * used to decorate an instance with a plugin. Used internally.
+                * @private
+                * @name init(el, optons)
+                * @param {DOMElement|jQuery|String} el the element we are 
transforming
+                * @param {Object} options options for this instance
+                * @trigger init.jstree, loading.jstree, loaded.jstree, 
ready.jstree, changed.jstree
+                */
+               init : function (el, options) {
+                       this._model = {
+                               data : {
+                                       '#' : {
+                                               id : '#',
+                                               parent : null,
+                                               parents : [],
+                                               children : [],
+                                               children_d : [],
+                                               state : { loaded : false }
+                                       }
+                               },
+                               changed : [],
+                               force_full_redraw : false,
+                               redraw_timeout : false,
+                               default_state : {
+                                       loaded : true,
+                                       opened : false,
+                                       selected : false,
+                                       disabled : false
+                               }
+                       };
+
+                       this.element = $(el).addClass('jstree jstree-' + 
this._id);
+                       this.settings = options;
+                       this.element.bind("destroyed", $.proxy(this.teardown, 
this));
+
+                       this._data.core.ready = false;
+                       this._data.core.loaded = false;
+                       this._data.core.rtl = (this.element.css("direction") 
=== "rtl");
+                       this.element[this._data.core.rtl ? 'addClass' : 
'removeClass']("jstree-rtl");
+                       this.element.attr('role','tree');
+                       if(this.settings.core.multiple) {
+                               this.element.attr('aria-multiselectable', true);
+                       }
+                       if(!this.element.attr('tabindex')) {
+                               this.element.attr('tabindex','0');
+                       }
+
+                       this.bind();
+                       /**
+                        * triggered after all events are bound
+                        * @event
+                        * @name init.jstree
+                        */
+                       this.trigger("init");
+
+                       this._data.core.original_container_html = 
this.element.find(" > ul > li").clone(true);
+                       this._data.core.original_container_html
+                               .find("li").addBack()
+                               .contents().filter(function() {
+                                       return this.nodeType === 3 && 
(!this.nodeValue || /^\s+$/.test(this.nodeValue));
+                               })
+                               .remove();
+                       this.element.html("<"+"ul class='jstree-container-ul 
jstree-children' role='group'><"+"li id='j"+this._id+"_loading' 
class='jstree-initial-node jstree-loading jstree-leaf jstree-last' 
role='tree-item'><i class='jstree-icon jstree-ocl'></i><"+"a 
class='jstree-anchor' href='#'><i class='jstree-icon 
jstree-themeicon-hidden'></i>" + this.get_string("Loading ...") + 
"</a></li></ul>");
+                       this.element.attr('aria-activedescendant','j' + 
this._id + '_loading');
+                       this._data.core.li_height = 
this.get_container_ul().children("li").first().height() || 24;
+                       /**
+                        * triggered after the loading text is shown and before 
loading starts
+                        * @event
+                        * @name loading.jstree
+                        */
+                       this.trigger("loading");
+                       this.load_node('#');
+               },
+               /**
+                * destroy an instance
+                * @name destroy()
+                * @param  {Boolean} keep_html if not set to `true` the 
container will be emptied, otherwise the current DOM elements will be kept 
intact
+                */
+               destroy : function (keep_html) {
+                       if(this._wrk) {
+                               try {
+                                       window.URL.revokeObjectURL(this._wrk);
+                                       this._wrk = null;
+                               }
+                               catch (ignore) { }
+                       }
+                       if(!keep_html) { this.element.empty(); }
+                       this.element.unbind("destroyed", this.teardown);
+                       this.teardown();
+               },
+               /**
+                * part of the destroying of an instance. Used internally.
+                * @private
+                * @name teardown()
+                */
+               teardown : function () {
+                       this.unbind();
+                       this.element
+                               .removeClass('jstree')
+                               .removeData('jstree')
+                               .find("[class^='jstree']")
+                                       .addBack()
+                                       .attr("class", function () { return 
this.className.replace(/jstree[^ ]*|$/ig,''); });
+                       this.element = null;
+               },
+               /**
+                * bind all events. Used internally.
+                * @private
+                * @name bind()
+                */
+               bind : function () {
+                       var word = '',
+                               tout = null;
+                       this.element
+                               .on("dblclick.jstree", function () {
+                                               if(document.selection && 
document.selection.empty) {
+                                                       
document.selection.empty();
+                                               }
+                                               else {
+                                                       if(window.getSelection) 
{
+                                                               var sel = 
window.getSelection();
+                                                               try {
+                                                                       
sel.removeAllRanges();
+                                                                       
sel.collapse();
+                                                               } catch 
(ignore) { }
+                                                       }
+                                               }
+                                       })
+                               .on("click.jstree", ".jstree-ocl", 
$.proxy(function (e) {
+                                               this.toggle_node(e.target);
+                                       }, this))
+                               .on("click.jstree", ".jstree-anchor", 
$.proxy(function (e) {
+                                               e.preventDefault();
+                                               if(e.currentTarget !== 
document.activeElement) { $(e.currentTarget).focus(); }
+                                               
this.activate_node(e.currentTarget, e);
+                                       }, this))
+                               .on('keydown.jstree', '.jstree-anchor', 
$.proxy(function (e) {
+                                               if(e.target.tagName === 
"INPUT") { return true; }
+                                               var o = null;
+                                               if(this._data.core.rtl) {
+                                                       if(e.which === 37) { 
e.which = 39; }
+                                                       else if(e.which === 39) 
{ e.which = 37; }
+                                               }
+                                               switch(e.which) {
+                                                       case 32: // aria 
defines space only with Ctrl
+                                                               if(e.ctrlKey) {
+                                                                       e.type 
= "click";
+                                                                       
$(e.currentTarget).trigger(e);
+                                                               }
+                                                               break;
+                                                       case 13: // enter
+                                                               e.type = 
"click";
+                                                               
$(e.currentTarget).trigger(e);
+                                                               break;
+                                                       case 37: // right
+                                                               
e.preventDefault();
+                                                               
if(this.is_open(e.currentTarget)) {
+                                                                       
this.close_node(e.currentTarget);
+                                                               }
+                                                               else {
+                                                                       o = 
this.get_parent(e.currentTarget);
+                                                                       if(o && 
o.id !== '#') { this.get_node(o, true).children('.jstree-anchor').focus(); }
+                                                               }
+                                                               break;
+                                                       case 38: // up
+                                                               
e.preventDefault();
+                                                               o = 
this.get_prev_dom(e.currentTarget);
+                                                               if(o && 
o.length) { o.children('.jstree-anchor').focus(); }
+                                                               break;
+                                                       case 39: // left
+                                                               
e.preventDefault();
+                                                               
if(this.is_closed(e.currentTarget)) {
+                                                                       
this.open_node(e.currentTarget, function (o) { this.get_node(o, 
true).children('.jstree-anchor').focus(); });
+                                                               }
+                                                               else if 
(this.is_open(e.currentTarget)) {
+                                                                       o = 
this.get_node(e.currentTarget, true).children('.jstree-children')[0];
+                                                                       if(o) { 
$(this._firstChild(o)).children('.jstree-anchor').focus(); }
+                                                               }
+                                                               break;
+                                                       case 40: // down
+                                                               
e.preventDefault();
+                                                               o = 
this.get_next_dom(e.currentTarget);
+                                                               if(o && 
o.length) { o.children('.jstree-anchor').focus(); }
+                                                               break;
+                                                       case 106: // aria 
defines * on numpad as open_all - not very common
+                                                               this.open_all();
+                                                               break;
+                                                       case 36: // home
+                                                               
e.preventDefault();
+                                                               o = 
this._firstChild(this.get_container_ul()[0]);
+                                                               if(o) { 
$(o).children('.jstree-anchor').filter(':visible').focus(); }
+                                                               break;
+                                                       case 35: // end
+                                                               
e.preventDefault();
+                                                               
this.element.find('.jstree-anchor').filter(':visible').last().focus();
+                                                               break;
+                                                       /*
+                                                       // delete
+                                                       case 46:
+                                                               
e.preventDefault();
+                                                               o = 
this.get_node(e.currentTarget);
+                                                               if(o && o.id && 
o.id !== '#') {
+                                                                       o = 
this.is_selected(o) ? this.get_selected() : o;
+                                                                       
this.delete_node(o);
+                                                               }
+                                                               break;
+                                                       // f2
+                                                       case 113:
+                                                               
e.preventDefault();
+                                                               o = 
this.get_node(e.currentTarget);
+                                                               if(o && o.id && 
o.id !== '#') {
+                                                                       // 
this.edit(o);
+                                                               }
+                                                               break;
+                                                       default:
+                                                               // 
console.log(e.which);
+                                                               break;
+                                                       */
+                                               }
+                                       }, this))
+                               .on("load_node.jstree", $.proxy(function (e, 
data) {
+                                               if(data.status) {
+                                                       if(data.node.id === '#' 
&& !this._data.core.loaded) {
+                                                               
this._data.core.loaded = true;
+                                                               
if(this._firstChild(this.get_container_ul()[0])) {
+                                                                       
this.element.attr('aria-activedescendant',this._firstChild(this.get_container_ul()[0]).id);
+                                                               }
+                                                               /**
+                                                                * triggered 
after the root node is loaded for the first time
+                                                                * @event
+                                                                * @name 
loaded.jstree
+                                                                */
+                                                               
this.trigger("loaded");
+                                                       }
+                                                       
if(!this._data.core.ready && 
!this.get_container_ul().find('.jstree-loading').length) {
+                                                               
this._data.core.ready = true;
+                                                               
if(this._data.core.selected.length) {
+                                                                       
if(this.settings.core.expand_selected_onload) {
+                                                                               
var tmp = [], i, j;
+                                                                               
for(i = 0, j = this._data.core.selected.length; i < j; i++) {
+                                                                               
        tmp = tmp.concat(this._model.data[this._data.core.selected[i]].parents);
+                                                                               
}
+                                                                               
tmp = $.vakata.array_unique(tmp);
+                                                                               
for(i = 0, j = tmp.length; i < j; i++) {
+                                                                               
        this.open_node(tmp[i], false, 0);
+                                                                               
}
+                                                                       }
+                                                                       
this.trigger('changed', { 'action' : 'ready', 'selected' : 
this._data.core.selected });
+                                                               }
+                                                               /**
+                                                                * triggered 
after all nodes are finished loading
+                                                                * @event
+                                                                * @name 
ready.jstree
+                                                                */
+                                                               
setTimeout($.proxy(function () { this.trigger("ready"); }, this), 0);
+                                                       }
+                                               }
+                                       }, this))
+                               // quick searching when the tree is focused
+                               .on('keypress.jstree', $.proxy(function (e) {
+                                               if(e.target.tagName === 
"INPUT") { return true; }
+                                               if(tout) { clearTimeout(tout); }
+                                               tout = setTimeout(function () {
+                                                       word = '';
+                                               }, 500);
+
+                                               var chr = 
String.fromCharCode(e.which).toLowerCase(),
+                                                       col = 
this.element.find('.jstree-anchor').filter(':visible'),
+                                                       ind = 
col.index(document.activeElement) || 0,
+                                                       end = false;
+                                               word += chr;
+
+                                               // match for whole word from 
current node down (including the current node)
+                                               if(word.length > 1) {
+                                                       
col.slice(ind).each($.proxy(function (i, v) {
+                                                               
if($(v).text().toLowerCase().indexOf(word) === 0) {
+                                                                       
$(v).focus();
+                                                                       end = 
true;
+                                                                       return 
false;
+                                                               }
+                                                       }, this));
+                                                       if(end) { return; }
+
+                                                       // match for whole word 
from the beginning of the tree
+                                                       col.slice(0, 
ind).each($.proxy(function (i, v) {
+                                                               
if($(v).text().toLowerCase().indexOf(word) === 0) {
+                                                                       
$(v).focus();
+                                                                       end = 
true;
+                                                                       return 
false;
+                                                               }
+                                                       }, this));
+                                                       if(end) { return; }
+                                               }
+                                               // list nodes that start with 
that letter (only if word consists of a single char)
+                                               if(new RegExp('^' + chr + 
'+$').test(word)) {
+                                                       // search for the next 
node starting with that letter
+                                                       col.slice(ind + 
1).each($.proxy(function (i, v) {
+                                                               
if($(v).text().toLowerCase().charAt(0) === chr) {
+                                                                       
$(v).focus();
+                                                                       end = 
true;
+                                                                       return 
false;
+                                                               }
+                                                       }, this));
+                                                       if(end) { return; }
+
+                                                       // search from the 
beginning
+                                                       col.slice(0, ind + 
1).each($.proxy(function (i, v) {
+                                                               
if($(v).text().toLowerCase().charAt(0) === chr) {
+                                                                       
$(v).focus();
+                                                                       end = 
true;
+                                                                       return 
false;
+                                                               }
+                                                       }, this));
+                                                       if(end) { return; }
+                                               }
+                                       }, this))
+                               // THEME RELATED
+                               .on("init.jstree", $.proxy(function () {
+                                               var s = 
this.settings.core.themes;
+                                               this._data.core.themes.dots     
                = s.dots;
+                                               this._data.core.themes.stripes  
        = s.stripes;
+                                               this._data.core.themes.icons    
        = s.icons;
+                                               this.set_theme(s.name || 
"default", s.url);
+                                               
this.set_theme_variant(s.variant);
+                                       }, this))
+                               .on("loading.jstree", $.proxy(function () {
+                                               this[ 
this._data.core.themes.dots ? "show_dots" : "hide_dots" ]();
+                                               this[ 
this._data.core.themes.icons ? "show_icons" : "hide_icons" ]();
+                                               this[ 
this._data.core.themes.stripes ? "show_stripes" : "hide_stripes" ]();
+                                       }, this))
+                               .on('blur.jstree', '.jstree-anchor', 
$.proxy(function (e) {
+                                               this._data.core.focused = null;
+                                               
$(e.currentTarget).filter('.jstree-hovered').mouseleave();
+                                       }, this))
+                               .on('focus.jstree', '.jstree-anchor', 
$.proxy(function (e) {
+                                               var tmp = 
this.get_node(e.currentTarget);
+                                               if(tmp && tmp.id) {
+                                                       this._data.core.focused 
= tmp.id;
+                                               }
+                                               
this.element.find('.jstree-hovered').not(e.currentTarget).mouseleave();
+                                               $(e.currentTarget).mouseenter();
+                                       }, this))
+                               .on('focus.jstree', $.proxy(function () {
+                                               if(!this._data.core.focused) {
+                                                       
this.get_node(this.element.attr('aria-activedescendant'), true).find('> 
.jstree-anchor').focus();
+                                               }
+                                       }, this))
+                               .on('mouseenter.jstree', '.jstree-anchor', 
$.proxy(function (e) {
+                                               
this.hover_node(e.currentTarget);
+                                       }, this))
+                               .on('mouseleave.jstree', '.jstree-anchor', 
$.proxy(function (e) {
+                                               
this.dehover_node(e.currentTarget);
+                                       }, this));
+               },
+               /**
+                * part of the destroying of an instance. Used internally.
+                * @private
+                * @name unbind()
+                */
+               unbind : function () {
+                       this.element.off('.jstree');
+                       $(document).off('.jstree-' + this._id);
+               },
+               /**
+                * trigger an event. Used internally.
+                * @private
+                * @name trigger(ev [, data])
+                * @param  {String} ev the name of the event to trigger
+                * @param  {Object} data additional data to pass with the event
+                */
+               trigger : function (ev, data) {
+                       if(!data) {
+                               data = {};
+                       }
+                       data.instance = this;
+                       this.element.triggerHandler(ev.replace('.jstree','') + 
'.jstree', data);
+               },
+               /**
+                * returns the jQuery extended instance container
+                * @name get_container()
+                * @return {jQuery}
+                */
+               get_container : function () {
+                       return this.element;
+               },
+               /**
+                * returns the jQuery extended main UL node inside the instance 
container. Used internally.
+                * @private
+                * @name get_container_ul()
+                * @return {jQuery}
+                */
+               get_container_ul : function () {
+                       return 
this.element.children(".jstree-children").first();
+               },
+               /**
+                * gets string replacements (localization). Used internally.
+                * @private
+                * @name get_string(key)
+                * @param  {String} key
+                * @return {String}
+                */
+               get_string : function (key) {
+                       var a = this.settings.core.strings;
+                       if($.isFunction(a)) { return a.call(this, key); }
+                       if(a && a[key]) { return a[key]; }
+                       return key;
+               },
+               /**
+                * gets the first child of a DOM node. Used internally.
+                * @private
+                * @name _firstChild(dom)
+                * @param  {DOMElement} dom
+                * @return {DOMElement}
+                */
+               _firstChild : function (dom) {
+                       dom = dom ? dom.firstChild : null;
+                       while(dom !== null && dom.nodeType !== 1) {
+                               dom = dom.nextSibling;
+                       }
+                       return dom;
+               },
+               /**
+                * gets the next sibling of a DOM node. Used internally.
+                * @private
+                * @name _nextSibling(dom)
+                * @param  {DOMElement} dom
+                * @return {DOMElement}
+                */
+               _nextSibling : function (dom) {
+                       dom = dom ? dom.nextSibling : null;
+                       while(dom !== null && dom.nodeType !== 1) {
+                               dom = dom.nextSibling;
+                       }
+                       return dom;
+               },
+               /**
+                * gets the previous sibling of a DOM node. Used internally.
+                * @private
+                * @name _previousSibling(dom)
+                * @param  {DOMElement} dom
+                * @return {DOMElement}
+                */
+               _previousSibling : function (dom) {
+                       dom = dom ? dom.previousSibling : null;
+                       while(dom !== null && dom.nodeType !== 1) {
+                               dom = dom.previousSibling;
+                       }
+                       return dom;
+               },
+               /**
+                * get the JSON representation of a node (or the actual jQuery 
extended DOM node) by using any input (child DOM element, ID string, selector, 
etc)
+                * @name get_node(obj [, as_dom])
+                * @param  {mixed} obj
+                * @param  {Boolean} as_dom
+                * @return {Object|jQuery}
+                */
+               get_node : function (obj, as_dom) {
+                       if(obj && obj.id) {
+                               obj = obj.id;
+                       }
+                       var dom;
+                       try {
+                               if(this._model.data[obj]) {
+                                       obj = this._model.data[obj];
+                               }
+                               else if(typeof obj === "string" && 
this._model.data[obj.replace(/^#/, '')]) {
+                                       obj = 
this._model.data[obj.replace(/^#/, '')];
+                               }
+                               else if(typeof obj === "string" && (dom = $('#' 
+ obj.replace($.jstree.idregex,'\\$&'), this.element)).length && 
this._model.data[dom.closest('.jstree-node').attr('id')]) {
+                                       obj = 
this._model.data[dom.closest('.jstree-node').attr('id')];
+                               }
+                               else if((dom = $(obj, this.element)).length && 
this._model.data[dom.closest('.jstree-node').attr('id')]) {
+                                       obj = 
this._model.data[dom.closest('.jstree-node').attr('id')];
+                               }
+                               else if((dom = $(obj, this.element)).length && 
dom.hasClass('jstree')) {
+                                       obj = this._model.data['#'];
+                               }
+                               else {
+                                       return false;
+                               }
+
+                               if(as_dom) {
+                                       obj = obj.id === '#' ? this.element : 
$('#' + obj.id.replace($.jstree.idregex,'\\$&'), this.element);
+                               }
+                               return obj;
+                       } catch (ex) { return false; }
+               },
+               /**
+                * get the path to a node, either consisting of node texts, or 
of node IDs, optionally glued together (otherwise an array)
+                * @name get_path(obj [, glue, ids])
+                * @param  {mixed} obj the node
+                * @param  {String} glue if you want the path as a string - 
pass the glue here (for example '/'), if a falsy value is supplied here, an 
array is returned
+                * @param  {Boolean} ids if set to true build the path using 
ID, otherwise node text is used
+                * @return {mixed}
+                */
+               get_path : function (obj, glue, ids) {
+                       obj = obj.parents ? obj : this.get_node(obj);
+                       if(!obj || obj.id === '#' || !obj.parents) {
+                               return false;
+                       }
+                       var i, j, p = [];
+                       p.push(ids ? obj.id : obj.text);
+                       for(i = 0, j = obj.parents.length; i < j; i++) {
+                               p.push(ids ? obj.parents[i] : 
this.get_text(obj.parents[i]));
+                       }
+                       p = p.reverse().slice(1);
+                       return glue ? p.join(glue) : p;
+               },
+               /**
+                * get the next visible node that is below the `obj` node. If 
`strict` is set to `true` only sibling nodes are returned.
+                * @name get_next_dom(obj [, strict])
+                * @param  {mixed} obj
+                * @param  {Boolean} strict
+                * @return {jQuery}
+                */
+               get_next_dom : function (obj, strict) {
+                       var tmp;
+                       obj = this.get_node(obj, true);
+                       if(obj[0] === this.element[0]) {
+                               tmp = 
this._firstChild(this.get_container_ul()[0]);
+                               while (tmp && tmp.offsetHeight === 0) {
+                                       tmp = this._nextSibling(tmp);
+                               }
+                               return tmp ? $(tmp) : false;
+                       }
+                       if(!obj || !obj.length) {
+                               return false;
+                       }
+                       if(strict) {
+                               tmp = obj[0];
+                               do {
+                                       tmp = this._nextSibling(tmp);
+                               } while (tmp && tmp.offsetHeight === 0);
+                               return tmp ? $(tmp) : false;
+                       }
+                       if(obj.hasClass("jstree-open")) {
+                               tmp = 
this._firstChild(obj.children('.jstree-children')[0]);
+                               while (tmp && tmp.offsetHeight === 0) {
+                                       tmp = this._nextSibling(tmp);
+                               }
+                               if(tmp !== null) {
+                                       return $(tmp);
+                               }
+                       }
+                       tmp = obj[0];
+                       do {
+                               tmp = this._nextSibling(tmp);
+                       } while (tmp && tmp.offsetHeight === 0);
+                       if(tmp !== null) {
+                               return $(tmp);
+                       }
+                       return 
obj.parentsUntil(".jstree",".jstree-node").next(".jstree-node:visible").first();
+               },
+               /**
+                * get the previous visible node that is above the `obj` node. 
If `strict` is set to `true` only sibling nodes are returned.
+                * @name get_prev_dom(obj [, strict])
+                * @param  {mixed} obj
+                * @param  {Boolean} strict
+                * @return {jQuery}
+                */
+               get_prev_dom : function (obj, strict) {
+                       var tmp;
+                       obj = this.get_node(obj, true);
+                       if(obj[0] === this.element[0]) {
+                               tmp = this.get_container_ul()[0].lastChild;
+                               while (tmp && tmp.offsetHeight === 0) {
+                                       tmp = this._previousSibling(tmp);
+                               }
+                               return tmp ? $(tmp) : false;
+                       }
+                       if(!obj || !obj.length) {
+                               return false;
+                       }
+                       if(strict) {
+                               tmp = obj[0];
+                               do {
+                                       tmp = this._previousSibling(tmp);
+                               } while (tmp && tmp.offsetHeight === 0);
+                               return tmp ? $(tmp) : false;
+                       }
+                       tmp = obj[0];
+                       do {
+                               tmp = this._previousSibling(tmp);
+                       } while (tmp && tmp.offsetHeight === 0);
+                       if(tmp !== null) {
+                               obj = $(tmp);
+                               while(obj.hasClass("jstree-open")) {
+                                       obj = 
obj.children(".jstree-children").first().children(".jstree-node:visible:last");
+                               }
+                               return obj;
+                       }
+                       tmp = obj[0].parentNode.parentNode;
+                       return tmp && tmp.className && 
tmp.className.indexOf('jstree-node') !== -1 ? $(tmp) : false;
+               },
+               /**
+                * get the parent ID of a node
+                * @name get_parent(obj)
+                * @param  {mixed} obj
+                * @return {String}
+                */
+               get_parent : function (obj) {
+                       obj = this.get_node(obj);
+                       if(!obj || obj.id === '#') {
+                               return false;
+                       }
+                       return obj.parent;
+               },
+               /**
+                * get a jQuery collection of all the children of a node (node 
must be rendered)
+                * @name get_children_dom(obj)
+                * @param  {mixed} obj
+                * @return {jQuery}
+                */
+               get_children_dom : function (obj) {
+                       obj = this.get_node(obj, true);
+                       if(obj[0] === this.element[0]) {
+                               return 
this.get_container_ul().children(".jstree-node");
+                       }
+                       if(!obj || !obj.length) {
+                               return false;
+                       }
+                       return 
obj.children(".jstree-children").children(".jstree-node");
+               },
+               /**
+                * checks if a node has children
+                * @name is_parent(obj)
+                * @param  {mixed} obj
+                * @return {Boolean}
+                */
+               is_parent : function (obj) {
+                       obj = this.get_node(obj);
+                       return obj && (obj.state.loaded === false || 
obj.children.length > 0);
+               },
+               /**
+                * checks if a node is loaded (its children are available)
+                * @name is_loaded(obj)
+                * @param  {mixed} obj
+                * @return {Boolean}
+                */
+               is_loaded : function (obj) {
+                       obj = this.get_node(obj);
+                       return obj && obj.state.loaded;
+               },
+               /**
+                * check if a node is currently loading (fetching children)
+                * @name is_loading(obj)
+                * @param  {mixed} obj
+                * @return {Boolean}
+                */
+               is_loading : function (obj) {
+                       obj = this.get_node(obj);
+                       return obj && obj.state && obj.state.loading;
+               },
+               /**
+                * check if a node is opened
+                * @name is_open(obj)
+                * @param  {mixed} obj
+                * @return {Boolean}
+                */
+               is_open : function (obj) {
+                       obj = this.get_node(obj);
+                       return obj && obj.state.opened;
+               },
+               /**
+                * check if a node is in a closed state
+                * @name is_closed(obj)
+                * @param  {mixed} obj
+                * @return {Boolean}
+                */
+               is_closed : function (obj) {
+                       obj = this.get_node(obj);
+                       return obj && this.is_parent(obj) && !obj.state.opened;
+               },
+               /**
+                * check if a node has no children
+                * @name is_leaf(obj)
+                * @param  {mixed} obj
+                * @return {Boolean}
+                */
+               is_leaf : function (obj) {
+                       return !this.is_parent(obj);
+               },
+               /**
+                * loads a node (fetches its children using the `core.data` 
setting). Multiple nodes can be passed to by using an array.
+                * @name load_node(obj [, callback])
+                * @param  {mixed} obj
+                * @param  {function} callback a function to be executed once 
loading is complete, the function is executed in the instance's scope and 
receives two arguments - the node and a boolean status
+                * @return {Boolean}
+                * @trigger load_node.jstree
+                */
+               load_node : function (obj, callback) {
+                       var k, l, i, j, c;
+                       if($.isArray(obj)) {
+                               this._load_nodes(obj.slice(), callback);
+                               return true;
+                       }
+                       obj = this.get_node(obj);
+                       if(!obj) {
+                               if(callback) { callback.call(this, obj, false); 
}
+                               return false;
+                       }
+                       // if(obj.state.loading) { } // the node is already 
loading - just wait for it to load and invoke callback? but if called 
implicitly it should be loaded again?
+                       if(obj.state.loaded) {
+                               obj.state.loaded = false;
+                               for(k = 0, l = obj.children_d.length; k < l; 
k++) {
+                                       for(i = 0, j = obj.parents.length; i < 
j; i++) {
+                                               
this._model.data[obj.parents[i]].children_d = 
$.vakata.array_remove_item(this._model.data[obj.parents[i]].children_d, 
obj.children_d[k]);
+                                       }
+                                       
if(this._model.data[obj.children_d[k]].state.selected) {
+                                               c = true;
+                                               this._data.core.selected = 
$.vakata.array_remove_item(this._data.core.selected, obj.children_d[k]);
+                                       }
+                                       delete 
this._model.data[obj.children_d[k]];
+                               }
+                               obj.children = [];
+                               obj.children_d = [];
+                               if(c) {
+                                       this.trigger('changed', { 'action' : 
'load_node', 'node' : obj, 'selected' : this._data.core.selected });
+                               }
+                       }
+                       obj.state.loading = true;
+                       this.get_node(obj, 
true).addClass("jstree-loading").attr('aria-busy',true);
+                       this._load_node(obj, $.proxy(function (status) {
+                               obj = this._model.data[obj.id];
+                               obj.state.loading = false;
+                               obj.state.loaded = status;
+                               var dom = this.get_node(obj, true);
+                               if(obj.state.loaded && !obj.children.length && 
dom && dom.length && !dom.hasClass('jstree-leaf')) {
+                                       dom.removeClass('jstree-closed 
jstree-open').addClass('jstree-leaf');
+                               }
+                               
dom.removeClass("jstree-loading").attr('aria-busy',false);
+                               /**
+                                * triggered after a node is loaded
+                                * @event
+                                * @name load_node.jstree
+                                * @param {Object} node the node that was 
loading
+                                * @param {Boolean} status was the node loaded 
successfully
+                                */
+                               this.trigger('load_node', { "node" : obj, 
"status" : status });
+                               if(callback) {
+                                       callback.call(this, obj, status);
+                               }
+                       }, this));
+                       return true;
+               },
+               /**
+                * load an array of nodes (will also load unavailable nodes as 
soon as the appear in the structure). Used internally.
+                * @private
+                * @name _load_nodes(nodes [, callback])
+                * @param  {array} nodes
+                * @param  {function} callback a function to be executed once 
loading is complete, the function is executed in the instance's scope and 
receives one argument - the array passed to _load_nodes
+                */
+               _load_nodes : function (nodes, callback, is_callback) {
+                       var r = true,
+                               c = function () { this._load_nodes(nodes, 
callback, true); },
+                               m = this._model.data, i, j;
+                       for(i = 0, j = nodes.length; i < j; i++) {
+                               if(m[nodes[i]] && (!m[nodes[i]].state.loaded || 
!is_callback)) {
+                                       if(!this.is_loading(nodes[i])) {
+                                               this.load_node(nodes[i], c);
+                                       }
+                                       r = false;
+                               }
+                       }
+                       if(r) {
+                               if(callback && !callback.done) {
+                                       callback.call(this, nodes);
+                                       callback.done = true;
+                               }
+                       }
+               },
+               /**
+                * loads all unloaded nodes
+                * @name load_all([obj, callback])
+                * @param {mixed} obj the node to load recursively, omit to 
load all nodes in the tree
+                * @param {function} callback a function to be executed once 
loading all the nodes is complete,
+                * @trigger load_all.jstree
+                */
+               load_all : function (obj, callback) {
+                       if(!obj) { obj = '#'; }
+                       obj = this.get_node(obj);
+                       if(!obj) { return false; }
+                       var to_load = [],
+                               m = this._model.data,
+                               c = m[obj.id].children_d,
+                               i, j;
+                       if(obj.state && !obj.state.loaded) {
+                               to_load.push(obj.id);
+                       }
+                       for(i = 0, j = c.length; i < j; i++) {
+                               if(m[c[i]] && m[c[i]].state && 
!m[c[i]].state.loaded) {
+                                       to_load.push(c[i]);
+                               }
+                       }
+                       if(to_load.length) {
+                               this._load_nodes(to_load, function () {
+                                       this.load_all(obj, callback);
+                               });
+                       }
+                       else {
+                               /**
+                                * triggered after a load_all call completes
+                                * @event
+                                * @name load_all.jstree
+                                * @param {Object} node the recursively loaded 
node
+                                */
+                               if(callback) { callback.call(this, obj); }
+                               this.trigger('load_all', { "node" : obj });
+                       }
+               },
+               /**
+                * handles the actual loading of a node. Used only internally.
+                * @private
+                * @name _load_node(obj [, callback])
+                * @param  {mixed} obj
+                * @param  {function} callback a function to be executed once 
loading is complete, the function is executed in the instance's scope and 
receives one argument - a boolean status
+                * @return {Boolean}
+                */
+               _load_node : function (obj, callback) {
+                       var s = this.settings.core.data, t;
+                       // use original HTML
+                       if(!s) {
+                               if(obj.id === '#') {
+                                       return this._append_html_data(obj, 
this._data.core.original_container_html.clone(true), function (status) {
+                                               callback.call(this, status);
+                                       });
+                               }
+                               else {
+                                       return callback.call(this, false);
+                               }
+                               // return callback.call(this, obj.id === '#' ? 
this._append_html_data(obj, 
this._data.core.original_container_html.clone(true)) : false);
+                       }
+                       if($.isFunction(s)) {
+                               return s.call(this, obj, $.proxy(function (d) {
+                                       if(d === false) {
+                                               callback.call(this, false);
+                                       }
+                                       this[typeof d === 'string' ? 
'_append_html_data' : '_append_json_data'](obj, typeof d === 'string' ? $(d) : 
d, function (status) {
+                                               callback.call(this, status);
+                                       });
+                                       // return d === false ? 
callback.call(this, false) : callback.call(this, this[typeof d === 'string' ? 
'_append_html_data' : '_append_json_data'](obj, typeof d === 'string' ? $(d) : 
d));
+                               }, this));
+                       }
+                       if(typeof s === 'object') {
+                               if(s.url) {
+                                       s = $.extend(true, {}, s);
+                                       if($.isFunction(s.url)) {
+                                               s.url = s.url.call(this, obj);
+                                       }
+                                       if($.isFunction(s.data)) {
+                                               s.data = s.data.call(this, obj);
+                                       }
+                                       return $.ajax(s)
+                                               .done($.proxy(function (d,t,x) {
+                                                               var type = 
x.getResponseHeader('Content-Type');
+                                                               
if(type.indexOf('json') !== -1 || typeof d === "object") {
+                                                                       return 
this._append_json_data(obj, d, function (status) { callback.call(this, status); 
});
+                                                                       
//return callback.call(this, this._append_json_data(obj, d));
+                                                               }
+                                                               
if(type.indexOf('html') !== -1 || typeof d === "string") {
+                                                                       return 
this._append_html_data(obj, $(d), function (status) { callback.call(this, 
status); });
+                                                                       // 
return callback.call(this, this._append_html_data(obj, $(d)));
+                                                               }
+                                                               
this._data.core.last_error = { 'error' : 'ajax', 'plugin' : 'core', 'id' : 
'core_04', 'reason' : 'Could not load node', 'data' : JSON.stringify({ 'id' : 
obj.id, 'xhr' : x }) };
+                                                               
this.settings.core.error.call(this, this._data.core.last_error);
+                                                               return 
callback.call(this, false);
+                                                       }, this))
+                                               .fail($.proxy(function (f) {
+                                                               
callback.call(this, false);
+                                                               
this._data.core.last_error = { 'error' : 'ajax', 'plugin' : 'core', 'id' : 
'core_04', 'reason' : 'Could not load node', 'data' : JSON.stringify({ 'id' : 
obj.id, 'xhr' : f }) };
+                                                               
this.settings.core.error.call(this, this._data.core.last_error);
+                                                       }, this));
+                               }
+                               t = ($.isArray(s) || $.isPlainObject(s)) ? 
JSON.parse(JSON.stringify(s)) : s;
+                               if(obj.id === '#') {
+                                       return this._append_json_data(obj, t, 
function (status) {
+                                               callback.call(this, status);
+                                       });
+                               }
+                               else {
+                                       this._data.core.last_error = { 'error' 
: 'nodata', 'plugin' : 'core', 'id' : 'core_05', 'reason' : 'Could not load 
node', 'data' : JSON.stringify({ 'id' : obj.id }) };
+                                       this.settings.core.error.call(this, 
this._data.core.last_error);
+                                       return callback.call(this, false);
+                               }
+                               //return callback.call(this, (obj.id === "#" ? 
this._append_json_data(obj, t) : false) );
+                       }
+                       if(typeof s === 'string') {
+                               if(obj.id === '#') {
+                                       return this._append_html_data(obj, 
$(s), function (status) {
+                                               callback.call(this, status);
+                                       });
+                               }
+                               else {
+                                       this._data.core.last_error = { 'error' 
: 'nodata', 'plugin' : 'core', 'id' : 'core_06', 'reason' : 'Could not load 
node', 'data' : JSON.stringify({ 'id' : obj.id }) };
+                                       this.settings.core.error.call(this, 
this._data.core.last_error);
+                                       return callback.call(this, false);
+                               }
+                               //return callback.call(this, (obj.id === "#" ? 
this._append_html_data(obj, $(s)) : false) );
+                       }
+                       return callback.call(this, false);
+               },
+               /**
+                * adds a node to the list of nodes to redraw. Used only 
internally.
+                * @private
+                * @name _node_changed(obj [, callback])
+                * @param  {mixed} obj
+                */
+               _node_changed : function (obj) {
+                       obj = this.get_node(obj);
+                       if(obj) {
+                               this._model.changed.push(obj.id);
+                       }
+               },
+               /**
+                * appends HTML content to the tree. Used internally.
+                * @private
+                * @name _append_html_data(obj, data)
+                * @param  {mixed} obj the node to append to
+                * @param  {String} data the HTML string to parse and append
+                * @trigger model.jstree, changed.jstree
+                */
+               _append_html_data : function (dom, data, cb) {
+                       dom = this.get_node(dom);
+                       dom.children = [];
+                       dom.children_d = [];
+                       var dat = data.is('ul') ? data.children() : data,
+                               par = dom.id,
+                               chd = [],
+                               dpc = [],
+                               m = this._model.data,
+                               p = m[par],
+                               s = this._data.core.selected.length,
+                               tmp, i, j;
+                       dat.each($.proxy(function (i, v) {
+                               tmp = this._parse_model_from_html($(v), par, 
p.parents.concat());
+                               if(tmp) {
+                                       chd.push(tmp);
+                                       dpc.push(tmp);
+                                       if(m[tmp].children_d.length) {
+                                               dpc = 
dpc.concat(m[tmp].children_d);
+                                       }
+                               }
+                       }, this));
+                       p.children = chd;
+                       p.children_d = dpc;
+                       for(i = 0, j = p.parents.length; i < j; i++) {
+                               m[p.parents[i]].children_d = 
m[p.parents[i]].children_d.concat(dpc);
+                       }
+                       /**
+                        * triggered when new data is inserted to the tree model
+                        * @event
+                        * @name model.jstree
+                        * @param {Array} nodes an array of node IDs
+                        * @param {String} parent the parent ID of the nodes
+                        */
+                       this.trigger('model', { "nodes" : dpc, 'parent' : par 
});
+                       if(par !== '#') {
+                               this._node_changed(par);
+                               this.redraw();
+                       }
+                       else {
+                               
this.get_container_ul().children('.jstree-initial-node').remove();
+                               this.redraw(true);
+                       }
+                       if(this._data.core.selected.length !== s) {
+                               this.trigger('changed', { 'action' : 'model', 
'selected' : this._data.core.selected });
+                       }
+                       cb.call(this, true);
+               },
+               /**
+                * appends JSON content to the tree. Used internally.
+                * @private
+                * @name _append_json_data(obj, data)
+                * @param  {mixed} obj the node to append to
+                * @param  {String} data the JSON object to parse and append
+                * @param  {Boolean} force_processing internal param - do not 
set
+                * @trigger model.jstree, changed.jstree
+                */
+               _append_json_data : function (dom, data, cb, force_processing) {
+                       dom = this.get_node(dom);
+                       dom.children = [];
+                       dom.children_d = [];
+                       // address@hidden
+                       if(data.d) {
+                               data = data.d;
+                               if(typeof data === "string") {
+                                       data = JSON.parse(data);
+                               }
+                       }
+                       if(!$.isArray(data)) { data = [data]; }
+                       var w = null,
+                               args = {
+                                       'df'    : this._model.default_state,
+                                       'dat'   : data,
+                                       'par'   : dom.id,
+                                       'm'             : this._model.data,
+                                       't_id'  : this._id,
+                                       't_cnt' : this._cnt,
+                                       'sel'   : this._data.core.selected
+                               },
+                               func = function (data, undefined) {
+                                       if(data.data) { data = data.data; }
+                                       var dat = data.dat,
+                                               par = data.par,
+                                               chd = [],
+                                               dpc = [],
+                                               add = [],
+                                               df = data.df,
+                                               t_id = data.t_id,
+                                               t_cnt = data.t_cnt,
+                                               m = data.m,
+                                               p = m[par],
+                                               sel = data.sel,
+                                               tmp, i, j, rslt,
+                                               parse_flat = function (d, p, 
ps) {
+                                                       if(!ps) { ps = []; }
+                                                       else { ps = 
ps.concat(); }
+                                                       if(p) { ps.unshift(p); }
+                                                       var tid = 
d.id.toString(),
+                                                               i, j, c, e,
+                                                               tmp = {
+                                                                       id      
                : tid,
+                                                                       text    
        : d.text || '',
+                                                                       icon    
        : d.icon !== undefined ? d.icon : true,
+                                                                       parent  
        : p,
+                                                                       parents 
        : ps,
+                                                                       
children        : d.children || [],
+                                                                       
children_d      : d.children_d || [],
+                                                                       data    
        : d.data,
+                                                                       state   
        : { },
+                                                                       li_attr 
        : { id : false },
+                                                                       a_attr  
        : { href : '#' },
+                                                                       
original        : false
+                                                               };
+                                                       for(i in df) {
+                                                               
if(df.hasOwnProperty(i)) {
+                                                                       
tmp.state[i] = df[i];
+                                                               }
+                                                       }
+                                                       if(d && d.data && 
d.data.jstree && d.data.jstree.icon) {
+                                                               tmp.icon = 
d.data.jstree.icon;
+                                                       }
+                                                       if(d && d.data) {
+                                                               tmp.data = 
d.data;
+                                                               
if(d.data.jstree) {
+                                                                       for(i 
in d.data.jstree) {
+                                                                               
if(d.data.jstree.hasOwnProperty(i)) {
+                                                                               
        tmp.state[i] = d.data.jstree[i];
+                                                                               
}
+                                                                       }
+                                                               }
+                                                       }
+                                                       if(d && typeof d.state 
=== 'object') {
+                                                               for (i in 
d.state) {
+                                                                       
if(d.state.hasOwnProperty(i)) {
+                                                                               
tmp.state[i] = d.state[i];
+                                                                       }
+                                                               }
+                                                       }
+                                                       if(d && typeof 
d.li_attr === 'object') {
+                                                               for (i in 
d.li_attr) {
+                                                                       
if(d.li_attr.hasOwnProperty(i)) {
+                                                                               
tmp.li_attr[i] = d.li_attr[i];
+                                                                       }
+                                                               }
+                                                       }
+                                                       if(!tmp.li_attr.id) {
+                                                               tmp.li_attr.id 
= tid;
+                                                       }
+                                                       if(d && typeof d.a_attr 
=== 'object') {
+                                                               for (i in 
d.a_attr) {
+                                                                       
if(d.a_attr.hasOwnProperty(i)) {
+                                                                               
tmp.a_attr[i] = d.a_attr[i];
+                                                                       }
+                                                               }
+                                                       }
+                                                       if(d && d.children && 
d.children === true) {
+                                                               
tmp.state.loaded = false;
+                                                               tmp.children = 
[];
+                                                               tmp.children_d 
= [];
+                                                       }
+                                                       m[tmp.id] = tmp;
+                                                       for(i = 0, j = 
tmp.children.length; i < j; i++) {
+                                                               c = 
parse_flat(m[tmp.children[i]], tmp.id, ps);
+                                                               e = m[c];
+                                                               
tmp.children_d.push(c);
+                                                               
if(e.children_d.length) {
+                                                                       
tmp.children_d = tmp.children_d.concat(e.children_d);
+                                                               }
+                                                       }
+                                                       delete d.data;
+                                                       delete d.children;
+                                                       m[tmp.id].original = d;
+                                                       if(tmp.state.selected) {
+                                                               
add.push(tmp.id);
+                                                       }
+                                                       return tmp.id;
+                                               },
+                                               parse_nest = function (d, p, 
ps) {
+                                                       if(!ps) { ps = []; }
+                                                       else { ps = 
ps.concat(); }
+                                                       if(p) { ps.unshift(p); }
+                                                       var tid = false, i, j, 
c, e, tmp;
+                                                       do {
+                                                               tid = 'j' + 
t_id + '_' + (++t_cnt);
+                                                       } while(m[tid]);
+
+                                                       tmp = {
+                                                               id              
        : false,
+                                                               text            
: typeof d === 'string' ? d : '',
+                                                               icon            
: typeof d === 'object' && d.icon !== undefined ? d.icon : true,
+                                                               parent          
: p,
+                                                               parents         
: ps,
+                                                               children        
: [],
+                                                               children_d      
: [],
+                                                               data            
: null,
+                                                               state           
: { },
+                                                               li_attr         
: { id : false },
+                                                               a_attr          
: { href : '#' },
+                                                               original        
: false
+                                                       };
+                                                       for(i in df) {
+                                                               
if(df.hasOwnProperty(i)) {
+                                                                       
tmp.state[i] = df[i];
+                                                               }
+                                                       }
+                                                       if(d && d.id) { tmp.id 
= d.id.toString(); }
+                                                       if(d && d.text) { 
tmp.text = d.text; }
+                                                       if(d && d.data && 
d.data.jstree && d.data.jstree.icon) {
+                                                               tmp.icon = 
d.data.jstree.icon;
+                                                       }
+                                                       if(d && d.data) {
+                                                               tmp.data = 
d.data;
+                                                               
if(d.data.jstree) {
+                                                                       for(i 
in d.data.jstree) {
+                                                                               
if(d.data.jstree.hasOwnProperty(i)) {
+                                                                               
        tmp.state[i] = d.data.jstree[i];
+                                                                               
}
+                                                                       }
+                                                               }
+                                                       }
+                                                       if(d && typeof d.state 
=== 'object') {
+                                                               for (i in 
d.state) {
+                                                                       
if(d.state.hasOwnProperty(i)) {
+                                                                               
tmp.state[i] = d.state[i];
+                                                                       }
+                                                               }
+                                                       }
+                                                       if(d && typeof 
d.li_attr === 'object') {
+                                                               for (i in 
d.li_attr) {
+                                                                       
if(d.li_attr.hasOwnProperty(i)) {
+                                                                               
tmp.li_attr[i] = d.li_attr[i];
+                                                                       }
+                                                               }
+                                                       }
+                                                       if(tmp.li_attr.id && 
!tmp.id) {
+                                                               tmp.id = 
tmp.li_attr.id.toString();
+                                                       }
+                                                       if(!tmp.id) {
+                                                               tmp.id = tid;
+                                                       }
+                                                       if(!tmp.li_attr.id) {
+                                                               tmp.li_attr.id 
= tmp.id;
+                                                       }
+                                                       if(d && typeof d.a_attr 
=== 'object') {
+                                                               for (i in 
d.a_attr) {
+                                                                       
if(d.a_attr.hasOwnProperty(i)) {
+                                                                               
tmp.a_attr[i] = d.a_attr[i];
+                                                                       }
+                                                               }
+                                                       }
+                                                       if(d && d.children && 
d.children.length) {
+                                                               for(i = 0, j = 
d.children.length; i < j; i++) {
+                                                                       c = 
parse_nest(d.children[i], tmp.id, ps);
+                                                                       e = 
m[c];
+                                                                       
tmp.children.push(c);
+                                                                       
if(e.children_d.length) {
+                                                                               
tmp.children_d = tmp.children_d.concat(e.children_d);
+                                                                       }
+                                                               }
+                                                               tmp.children_d 
= tmp.children_d.concat(tmp.children);
+                                                       }
+                                                       if(d && d.children && 
d.children === true) {
+                                                               
tmp.state.loaded = false;
+                                                               tmp.children = 
[];
+                                                               tmp.children_d 
= [];
+                                                       }
+                                                       delete d.data;
+                                                       delete d.children;
+                                                       tmp.original = d;
+                                                       m[tmp.id] = tmp;
+                                                       if(tmp.state.selected) {
+                                                               
add.push(tmp.id);
+                                                       }
+                                                       return tmp.id;
+                                               };
+
+                                       if(dat.length && dat[0].id !== 
undefined && dat[0].parent !== undefined) {
+                                               // Flat JSON support (for easy 
import from DB):
+                                               // 1) convert to object 
(foreach)
+                                               for(i = 0, j = dat.length; i < 
j; i++) {
+                                                       if(!dat[i].children) {
+                                                               dat[i].children 
= [];
+                                                       }
+                                                       m[dat[i].id.toString()] 
= dat[i];
+                                               }
+                                               // 2) populate children 
(foreach)
+                                               for(i = 0, j = dat.length; i < 
j; i++) {
+                                                       
m[dat[i].parent.toString()].children.push(dat[i].id.toString());
+                                                       // populate 
parent.children_d
+                                                       
p.children_d.push(dat[i].id.toString());
+                                               }
+                                               // 3) normalize && populate 
parents and children_d with recursion
+                                               for(i = 0, j = 
p.children.length; i < j; i++) {
+                                                       tmp = 
parse_flat(m[p.children[i]], par, p.parents.concat());
+                                                       dpc.push(tmp);
+                                                       
if(m[tmp].children_d.length) {
+                                                               dpc = 
dpc.concat(m[tmp].children_d);
+                                                       }
+                                               }
+                                               for(i = 0, j = 
p.parents.length; i < j; i++) {
+                                                       
m[p.parents[i]].children_d = m[p.parents[i]].children_d.concat(dpc);
+                                               }
+                                               // ?) three_state selection - 
p.state.selected && t - (if three_state foreach(dat => ch) -> foreach(parents) 
if(parent.selected) child.selected = true;
+                                               rslt = {
+                                                       'cnt' : t_cnt,
+                                                       'mod' : m,
+                                                       'sel' : sel,
+                                                       'par' : par,
+                                                       'dpc' : dpc,
+                                                       'add' : add
+                                               };
+                                       }
+                                       else {
+                                               for(i = 0, j = dat.length; i < 
j; i++) {
+                                                       tmp = 
parse_nest(dat[i], par, p.parents.concat());
+                                                       if(tmp) {
+                                                               chd.push(tmp);
+                                                               dpc.push(tmp);
+                                                               
if(m[tmp].children_d.length) {
+                                                                       dpc = 
dpc.concat(m[tmp].children_d);
+                                                               }
+                                                       }
+                                               }
+                                               p.children = chd;
+                                               p.children_d = dpc;
+                                               for(i = 0, j = 
p.parents.length; i < j; i++) {
+                                                       
m[p.parents[i]].children_d = m[p.parents[i]].children_d.concat(dpc);
+                                               }
+                                               rslt = {
+                                                       'cnt' : t_cnt,
+                                                       'mod' : m,
+                                                       'sel' : sel,
+                                                       'par' : par,
+                                                       'dpc' : dpc,
+                                                       'add' : add
+                                               };
+                                       }
+                                       if(typeof window === 'undefined' || 
typeof window.document === 'undefined') {
+                                               postMessage(rslt);
+                                       }
+                                       else {
+                                               return rslt;
+                                       }
+                               },
+                               rslt = function (rslt, worker) {
+                                       this._cnt = rslt.cnt;
+                                       this._model.data = rslt.mod; // breaks 
the reference in load_node - careful
+
+                                       if(worker) {
+                                               var i, j, a = rslt.add, r = 
rslt.sel, s = this._data.core.selected.slice(), m = this._model.data;
+                                               // if selection was changed 
while calculating in worker
+                                               if(r.length !== s.length || 
$.vakata.array_unique(r.concat(s)).length !== r.length) {
+                                                       // deselect nodes that 
are no longer selected
+                                                       for(i = 0, j = 
r.length; i < j; i++) {
+                                                               
if($.inArray(r[i], a) === -1 && $.inArray(r[i], s) === -1) {
+                                                                       
m[r[i]].state.selected = false;
+                                                               }
+                                                       }
+                                                       // select nodes that 
were selected in the mean time
+                                                       for(i = 0, j = 
s.length; i < j; i++) {
+                                                               
if($.inArray(s[i], r) === -1) {
+                                                                       
m[s[i]].state.selected = true;
+                                                               }
+                                                       }
+                                               }
+                                       }
+                                       if(rslt.add.length) {
+                                               this._data.core.selected = 
this._data.core.selected.concat(rslt.add);
+                                       }
+
+                                       this.trigger('model', { "nodes" : 
rslt.dpc, 'parent' : rslt.par });
+
+                                       if(rslt.par !== '#') {
+                                               this._node_changed(rslt.par);
+                                               this.redraw();
+                                       }
+                                       else {
+                                               // 
this.get_container_ul().children('.jstree-initial-node').remove();
+                                               this.redraw(true);
+                                       }
+                                       if(rslt.add.length) {
+                                               this.trigger('changed', { 
'action' : 'model', 'selected' : this._data.core.selected });
+                                       }
+                                       cb.call(this, true);
+                               };
+                       if(this.settings.core.worker && window.Blob && 
window.URL && window.Worker) {
+                               try {
+                                       if(this._wrk === null) {
+                                               this._wrk = 
window.URL.createObjectURL(
+                                                       new window.Blob(
+                                                               
['self.onmessage = ' + func.toString()],
+                                                               
{type:"text/javascript"}
+                                                       )
+                                               );
+                                       }
+                                       if(!this._data.core.working || 
force_processing) {
+                                               this._data.core.working = true;
+                                               w = new 
window.Worker(this._wrk);
+                                               w.onmessage = $.proxy(function 
(e) {
+                                                       rslt.call(this, e.data, 
true);
+                                                       try { w.terminate(); w 
= null; } catch(ignore) { }
+                                                       
if(this._data.core.worker_queue.length) {
+                                                               
this._append_json_data.apply(this, this._data.core.worker_queue.shift());
+                                                       }
+                                                       else {
+                                                               
this._data.core.working = false;
+                                                       }
+                                               }, this);
+                                               if(!args.par) {
+                                                       
if(this._data.core.worker_queue.length) {
+                                                               
this._append_json_data.apply(this, this._data.core.worker_queue.shift());
+                                                       }
+                                                       else {
+                                                               
this._data.core.working = false;
+                                                       }
+                                               }
+                                               else {
+                                                       w.postMessage(args);
+                                               }
+                                       }
+                                       else {
+                                               
this._data.core.worker_queue.push([dom, data, cb, true]);
+                                       }
+                               }
+                               catch(e) {
+                                       rslt.call(this, func(args), false);
+                                       if(this._data.core.worker_queue.length) 
{
+                                               
this._append_json_data.apply(this, this._data.core.worker_queue.shift());
+                                       }
+                                       else {
+                                               this._data.core.working = false;
+                                       }
+                               }
+                       }
+                       else {
+                               rslt.call(this, func(args), false);
+                       }
+               },
+               /**
+                * parses a node from a jQuery object and appends them to the 
in memory tree model. Used internally.
+                * @private
+                * @name _parse_model_from_html(d [, p, ps])
+                * @param  {jQuery} d the jQuery object to parse
+                * @param  {String} p the parent ID
+                * @param  {Array} ps list of all parents
+                * @return {String} the ID of the object added to the model
+                */
+               _parse_model_from_html : function (d, p, ps) {
+                       if(!ps) { ps = []; }
+                       else { ps = [].concat(ps); }
+                       if(p) { ps.unshift(p); }
+                       var c, e, m = this._model.data,
+                               data = {
+                                       id                      : false,
+                                       text            : false,
+                                       icon            : true,
+                                       parent          : p,
+                                       parents         : ps,
+                                       children        : [],
+                                       children_d      : [],
+                                       data            : null,
+                                       state           : { },
+                                       li_attr         : { id : false },
+                                       a_attr          : { href : '#' },
+                                       original        : false
+                               }, i, tmp, tid;
+                       for(i in this._model.default_state) {
+                               if(this._model.default_state.hasOwnProperty(i)) 
{
+                                       data.state[i] = 
this._model.default_state[i];
+                               }
+                       }
+                       tmp = $.vakata.attributes(d, true);
+                       $.each(tmp, function (i, v) {
+                               v = $.trim(v);
+                               if(!v.length) { return true; }
+                               data.li_attr[i] = v;
+                               if(i === 'id') {
+                                       data.id = v.toString();
+                               }
+                       });
+                       tmp = d.children('a').first();
+                       if(tmp.length) {
+                               tmp = $.vakata.attributes(tmp, true);
+                               $.each(tmp, function (i, v) {
+                                       v = $.trim(v);
+                                       if(v.length) {
+                                               data.a_attr[i] = v;
+                                       }
+                               });
+                       }
+                       tmp = d.children("a").first().length ? 
d.children("a").first().clone() : d.clone();
+                       tmp.children("ins, i, ul").remove();
+                       tmp = tmp.html();
+                       tmp = $('<div />').html(tmp);
+                       data.text = this.settings.core.force_text ? tmp.text() 
: tmp.html();
+                       tmp = d.data();
+                       data.data = tmp ? $.extend(true, {}, tmp) : null;
+                       data.state.opened = d.hasClass('jstree-open');
+                       data.state.selected = 
d.children('a').hasClass('jstree-clicked');
+                       data.state.disabled = 
d.children('a').hasClass('jstree-disabled');
+                       if(data.data && data.data.jstree) {
+                               for(i in data.data.jstree) {
+                                       if(data.data.jstree.hasOwnProperty(i)) {
+                                               data.state[i] = 
data.data.jstree[i];
+                                       }
+                               }
+                       }
+                       tmp = d.children("a").children(".jstree-themeicon");
+                       if(tmp.length) {
+                               data.icon = 
tmp.hasClass('jstree-themeicon-hidden') ? false : tmp.attr('rel');
+                       }
+                       if(data.state.icon) {
+                               data.icon = data.state.icon;
+                       }
+                       tmp = d.children("ul").children("li");
+                       do {
+                               tid = 'j' + this._id + '_' + (++this._cnt);
+                       } while(m[tid]);
+                       data.id = data.li_attr.id ? data.li_attr.id.toString() 
: tid;
+                       if(tmp.length) {
+                               tmp.each($.proxy(function (i, v) {
+                                       c = this._parse_model_from_html($(v), 
data.id, ps);
+                                       e = this._model.data[c];
+                                       data.children.push(c);
+                                       if(e.children_d.length) {
+                                               data.children_d = 
data.children_d.concat(e.children_d);
+                                       }
+                               }, this));
+                               data.children_d = 
data.children_d.concat(data.children);
+                       }
+                       else {
+                               if(d.hasClass('jstree-closed')) {
+                                       data.state.loaded = false;
+                               }
+                       }
+                       if(data.li_attr['class']) {
+                               data.li_attr['class'] = 
data.li_attr['class'].replace('jstree-closed','').replace('jstree-open','');
+                       }
+                       if(data.a_attr['class']) {
+                               data.a_attr['class'] = 
data.a_attr['class'].replace('jstree-clicked','').replace('jstree-disabled','');
+                       }
+                       m[data.id] = data;
+                       if(data.state.selected) {
+                               this._data.core.selected.push(data.id);
+                       }
+                       return data.id;
+               },
+               /**
+                * parses a node from a JSON object (used when dealing with 
flat data, which has no nesting of children, but has id and parent properties) 
and appends it to the in memory tree model. Used internally.
+                * @private
+                * @name _parse_model_from_flat_json(d [, p, ps])
+                * @param  {Object} d the JSON object to parse
+                * @param  {String} p the parent ID
+                * @param  {Array} ps list of all parents
+                * @return {String} the ID of the object added to the model
+                */
+               _parse_model_from_flat_json : function (d, p, ps) {
+                       if(!ps) { ps = []; }
+                       else { ps = ps.concat(); }
+                       if(p) { ps.unshift(p); }
+                       var tid = d.id.toString(),
+                               m = this._model.data,
+                               df = this._model.default_state,
+                               i, j, c, e,
+                               tmp = {
+                                       id                      : tid,
+                                       text            : d.text || '',
+                                       icon            : d.icon !== undefined 
? d.icon : true,
+                                       parent          : p,
+                                       parents         : ps,
+                                       children        : d.children || [],
+                                       children_d      : d.children_d || [],
+                                       data            : d.data,
+                                       state           : { },
+                                       li_attr         : { id : false },
+                                       a_attr          : { href : '#' },
+                                       original        : false
+                               };
+                       for(i in df) {
+                               if(df.hasOwnProperty(i)) {
+                                       tmp.state[i] = df[i];
+                               }
+                       }
+                       if(d && d.data && d.data.jstree && d.data.jstree.icon) {
+                               tmp.icon = d.data.jstree.icon;
+                       }
+                       if(d && d.data) {
+                               tmp.data = d.data;
+                               if(d.data.jstree) {
+                                       for(i in d.data.jstree) {
+                                               
if(d.data.jstree.hasOwnProperty(i)) {
+                                                       tmp.state[i] = 
d.data.jstree[i];
+                                               }
+                                       }
+                               }
+                       }
+                       if(d && typeof d.state === 'object') {
+                               for (i in d.state) {
+                                       if(d.state.hasOwnProperty(i)) {
+                                               tmp.state[i] = d.state[i];
+                                       }
+                               }
+                       }
+                       if(d && typeof d.li_attr === 'object') {
+                               for (i in d.li_attr) {
+                                       if(d.li_attr.hasOwnProperty(i)) {
+                                               tmp.li_attr[i] = d.li_attr[i];
+                                       }
+                               }
+                       }
+                       if(!tmp.li_attr.id) {
+                               tmp.li_attr.id = tid;
+                       }
+                       if(d && typeof d.a_attr === 'object') {
+                               for (i in d.a_attr) {
+                                       if(d.a_attr.hasOwnProperty(i)) {
+                                               tmp.a_attr[i] = d.a_attr[i];
+                                       }
+                               }
+                       }
+                       if(d && d.children && d.children === true) {
+                               tmp.state.loaded = false;
+                               tmp.children = [];
+                               tmp.children_d = [];
+                       }
+                       m[tmp.id] = tmp;
+                       for(i = 0, j = tmp.children.length; i < j; i++) {
+                               c = 
this._parse_model_from_flat_json(m[tmp.children[i]], tmp.id, ps);
+                               e = m[c];
+                               tmp.children_d.push(c);
+                               if(e.children_d.length) {
+                                       tmp.children_d = 
tmp.children_d.concat(e.children_d);
+                               }
+                       }
+                       delete d.data;
+                       delete d.children;
+                       m[tmp.id].original = d;
+                       if(tmp.state.selected) {
+                               this._data.core.selected.push(tmp.id);
+                       }
+                       return tmp.id;
+               },
+               /**
+                * parses a node from a JSON object and appends it to the in 
memory tree model. Used internally.
+                * @private
+                * @name _parse_model_from_json(d [, p, ps])
+                * @param  {Object} d the JSON object to parse
+                * @param  {String} p the parent ID
+                * @param  {Array} ps list of all parents
+                * @return {String} the ID of the object added to the model
+                */
+               _parse_model_from_json : function (d, p, ps) {
+                       if(!ps) { ps = []; }
+                       else { ps = ps.concat(); }
+                       if(p) { ps.unshift(p); }
+                       var tid = false, i, j, c, e, m = this._model.data, df = 
this._model.default_state, tmp;
+                       do {
+                               tid = 'j' + this._id + '_' + (++this._cnt);
+                       } while(m[tid]);
+
+                       tmp = {
+                               id                      : false,
+                               text            : typeof d === 'string' ? d : 
'',
+                               icon            : typeof d === 'object' && 
d.icon !== undefined ? d.icon : true,
+                               parent          : p,
+                               parents         : ps,
+                               children        : [],
+                               children_d      : [],
+                               data            : null,
+                               state           : { },
+                               li_attr         : { id : false },
+                               a_attr          : { href : '#' },
+                               original        : false
+                       };
+                       for(i in df) {
+                               if(df.hasOwnProperty(i)) {
+                                       tmp.state[i] = df[i];
+                               }
+                       }
+                       if(d && d.id) { tmp.id = d.id.toString(); }
+                       if(d && d.text) { tmp.text = d.text; }
+                       if(d && d.data && d.data.jstree && d.data.jstree.icon) {
+                               tmp.icon = d.data.jstree.icon;
+                       }
+                       if(d && d.data) {
+                               tmp.data = d.data;
+                               if(d.data.jstree) {
+                                       for(i in d.data.jstree) {
+                                               
if(d.data.jstree.hasOwnProperty(i)) {
+                                                       tmp.state[i] = 
d.data.jstree[i];
+                                               }
+                                       }
+                               }
+                       }
+                       if(d && typeof d.state === 'object') {
+                               for (i in d.state) {
+                                       if(d.state.hasOwnProperty(i)) {
+                                               tmp.state[i] = d.state[i];
+                                       }
+                               }
+                       }
+                       if(d && typeof d.li_attr === 'object') {
+                               for (i in d.li_attr) {
+                                       if(d.li_attr.hasOwnProperty(i)) {
+                                               tmp.li_attr[i] = d.li_attr[i];
+                                       }
+                               }
+                       }
+                       if(tmp.li_attr.id && !tmp.id) {
+                               tmp.id = tmp.li_attr.id.toString();
+                       }
+                       if(!tmp.id) {
+                               tmp.id = tid;
+                       }
+                       if(!tmp.li_attr.id) {
+                               tmp.li_attr.id = tmp.id;
+                       }
+                       if(d && typeof d.a_attr === 'object') {
+                               for (i in d.a_attr) {
+                                       if(d.a_attr.hasOwnProperty(i)) {
+                                               tmp.a_attr[i] = d.a_attr[i];
+                                       }
+                               }
+                       }
+                       if(d && d.children && d.children.length) {
+                               for(i = 0, j = d.children.length; i < j; i++) {
+                                       c = 
this._parse_model_from_json(d.children[i], tmp.id, ps);
+                                       e = m[c];
+                                       tmp.children.push(c);
+                                       if(e.children_d.length) {
+                                               tmp.children_d = 
tmp.children_d.concat(e.children_d);
+                                       }
+                               }
+                               tmp.children_d = 
tmp.children_d.concat(tmp.children);
+                       }
+                       if(d && d.children && d.children === true) {
+                               tmp.state.loaded = false;
+                               tmp.children = [];
+                               tmp.children_d = [];
+                       }
+                       delete d.data;
+                       delete d.children;
+                       tmp.original = d;
+                       m[tmp.id] = tmp;
+                       if(tmp.state.selected) {
+                               this._data.core.selected.push(tmp.id);
+                       }
+                       return tmp.id;
+               },
+               /**
+                * redraws all nodes that need to be redrawn. Used internally.
+                * @private
+                * @name _redraw()
+                * @trigger redraw.jstree
+                */
+               _redraw : function () {
+                       var nodes = this._model.force_full_redraw ? 
this._model.data['#'].children.concat([]) : this._model.changed.concat([]),
+                               f = document.createElement('UL'), tmp, i, j, fe 
= this._data.core.focused;
+                       for(i = 0, j = nodes.length; i < j; i++) {
+                               tmp = this.redraw_node(nodes[i], true, 
this._model.force_full_redraw);
+                               if(tmp && this._model.force_full_redraw) {
+                                       f.appendChild(tmp);
+                               }
+                       }
+                       if(this._model.force_full_redraw) {
+                               f.className = 
this.get_container_ul()[0].className;
+                               f.setAttribute('role','group');
+                               this.element.empty().append(f);
+                               //this.get_container_ul()[0].appendChild(f);
+                       }
+                       if(fe !== null) {
+                               tmp = this.get_node(fe, true);
+                               if(tmp && tmp.length && 
tmp.children('.jstree-anchor')[0] !== document.activeElement) {
+                                       tmp.children('.jstree-anchor').focus();
+                               }
+                               else {
+                                       this._data.core.focused = null;
+                               }
+                       }
+                       this._model.force_full_redraw = false;
+                       this._model.changed = [];
+                       /**
+                        * triggered after nodes are redrawn
+                        * @event
+                        * @name redraw.jstree
+                        * @param {array} nodes the redrawn nodes
+                        */
+                       this.trigger('redraw', { "nodes" : nodes });
+               },
+               /**
+                * redraws all nodes that need to be redrawn or optionally - 
the whole tree
+                * @name redraw([full])
+                * @param {Boolean} full if set to `true` all nodes are redrawn.
+                */
+               redraw : function (full) {
+                       if(full) {
+                               this._model.force_full_redraw = true;
+                       }
+                       //if(this._model.redraw_timeout) {
+                       //      clearTimeout(this._model.redraw_timeout);
+                       //}
+                       //this._model.redraw_timeout = 
setTimeout($.proxy(this._redraw, this),0);
+                       this._redraw();
+               },
+               /**
+                * redraws a single node. Used internally.
+                * @private
+                * @name redraw_node(node, deep, is_callback, force_render)
+                * @param {mixed} node the node to redraw
+                * @param {Boolean} deep should child nodes be redrawn too
+                * @param {Boolean} is_callback is this a recursion call
+                * @param {Boolean} force_render should children of closed 
parents be drawn anyway
+                */
+               redraw_node : function (node, deep, is_callback, force_render) {
+                       var obj = this.get_node(node),
+                               par = false,
+                               ind = false,
+                               old = false,
+                               i = false,
+                               j = false,
+                               k = false,
+                               c = '',
+                               d = document,
+                               m = this._model.data,
+                               f = false,
+                               s = false,
+                               tmp = null;
+                       if(!obj) { return false; }
+                       if(obj.id === '#') {  return this.redraw(true); }
+                       deep = deep || obj.children.length === 0;
+                       node = !document.querySelector ? 
document.getElementById(obj.id) : this.element[0].querySelector('#' + 
("0123456789".indexOf(obj.id[0]) !== -1 ? '\\3' + obj.id[0] + ' ' + 
obj.id.substr(1).replace($.jstree.idregex,'\\$&') : 
obj.id.replace($.jstree.idregex,'\\$&')) ); //, this.element);
+                       if(!node) {
+                               deep = true;
+                               //node = d.createElement('LI');
+                               if(!is_callback) {
+                                       par = obj.parent !== '#' ? $('#' + 
obj.parent.replace($.jstree.idregex,'\\$&'), this.element)[0] : null;
+                                       if(par !== null && (!par || 
!m[obj.parent].state.opened)) {
+                                               return false;
+                                       }
+                                       ind = $.inArray(obj.id, par === null ? 
m['#'].children : m[obj.parent].children);
+                               }
+                       }
+                       else {
+                               node = $(node);
+                               if(!is_callback) {
+                                       par = node.parent().parent()[0];
+                                       if(par === this.element[0]) {
+                                               par = null;
+                                       }
+                                       ind = node.index();
+                               }
+                               // m[obj.id].data = node.data(); // use only 
node's data, no need to touch jquery storage
+                               if(!deep && obj.children.length && 
!node.children('.jstree-children').length) {
+                                       deep = true;
+                               }
+                               if(!deep) {
+                                       old = 
node.children('.jstree-children')[0];
+                               }
+                               f = node.children('.jstree-anchor')[0] === 
document.activeElement;
+                               node.remove();
+                               //node = d.createElement('LI');
+                               //node = node[0];
+                       }
+                       node = _node.cloneNode(true);
+                       // node is DOM, deep is boolean
+
+                       c = 'jstree-node ';
+                       for(i in obj.li_attr) {
+                               if(obj.li_attr.hasOwnProperty(i)) {
+                                       if(i === 'id') { continue; }
+                                       if(i !== 'class') {
+                                               node.setAttribute(i, 
obj.li_attr[i]);
+                                       }
+                                       else {
+                                               c += obj.li_attr[i];
+                                       }
+                               }
+                       }
+                       if(!obj.a_attr.id) {
+                               obj.a_attr.id = obj.id + '_anchor';
+                       }
+                       node.setAttribute('aria-selected', 
!!obj.state.selected);
+                       node.setAttribute('aria-level', obj.parents.length);
+                       node.setAttribute('aria-labelledby', obj.a_attr.id);
+                       if(obj.state.disabled) {
+                               node.setAttribute('aria-disabled', true);
+                       }
+
+                       if(obj.state.loaded && !obj.children.length) {
+                               c += ' jstree-leaf';
+                       }
+                       else {
+                               c += obj.state.opened && obj.state.loaded ? ' 
jstree-open' : ' jstree-closed';
+                               node.setAttribute('aria-expanded', 
(obj.state.opened && obj.state.loaded) );
+                       }
+                       if(obj.parent !== null && 
m[obj.parent].children[m[obj.parent].children.length - 1] === obj.id) {
+                               c += ' jstree-last';
+                       }
+                       node.id = obj.id;
+                       node.className = c;
+                       c = ( obj.state.selected ? ' jstree-clicked' : '') + ( 
obj.state.disabled ? ' jstree-disabled' : '');
+                       for(j in obj.a_attr) {
+                               if(obj.a_attr.hasOwnProperty(j)) {
+                                       if(j === 'href' && obj.a_attr[j] === 
'#') { continue; }
+                                       if(j !== 'class') {
+                                               
node.childNodes[1].setAttribute(j, obj.a_attr[j]);
+                                       }
+                                       else {
+                                               c += ' ' + obj.a_attr[j];
+                                       }
+                               }
+                       }
+                       if(c.length) {
+                               node.childNodes[1].className = 'jstree-anchor ' 
+ c;
+                       }
+                       if((obj.icon && obj.icon !== true) || obj.icon === 
false) {
+                               if(obj.icon === false) {
+                                       
node.childNodes[1].childNodes[0].className += ' jstree-themeicon-hidden';
+                               }
+                               else if(obj.icon.indexOf('/') === -1 && 
obj.icon.indexOf('.') === -1) {
+                                       
node.childNodes[1].childNodes[0].className += ' ' + obj.icon + ' 
jstree-themeicon-custom';
+                               }
+                               else {
+                                       
node.childNodes[1].childNodes[0].style.backgroundImage = 'url('+obj.icon+')';
+                                       
node.childNodes[1].childNodes[0].style.backgroundPosition = 'center center';
+                                       
node.childNodes[1].childNodes[0].style.backgroundSize = 'auto';
+                                       
node.childNodes[1].childNodes[0].className += ' jstree-themeicon-custom';
+                               }
+                       }
+
+                       if(this.settings.core.force_text) {
+                               
node.childNodes[1].appendChild(d.createTextNode(obj.text));
+                       }
+                       else {
+                               node.childNodes[1].innerHTML += obj.text;
+                       }
+
+                       if(deep && obj.children.length && (obj.state.opened || 
force_render) && obj.state.loaded) {
+                               k = d.createElement('UL');
+                               k.setAttribute('role', 'group');
+                               k.className = 'jstree-children';
+                               for(i = 0, j = obj.children.length; i < j; i++) 
{
+                                       
k.appendChild(this.redraw_node(obj.children[i], deep, true));
+                               }
+                               node.appendChild(k);
+                       }
+                       if(old) {
+                               node.appendChild(old);
+                       }
+                       if(!is_callback) {
+                               // append back using par / ind
+                               if(!par) {
+                                       par = this.element[0];
+                               }
+                               for(i = 0, j = par.childNodes.length; i < j; 
i++) {
+                                       if(par.childNodes[i] && 
par.childNodes[i].className && 
par.childNodes[i].className.indexOf('jstree-children') !== -1) {
+                                               tmp = par.childNodes[i];
+                                               break;
+                                       }
+                               }
+                               if(!tmp) {
+                                       tmp = d.createElement('UL');
+                                       tmp.setAttribute('role', 'group');
+                                       tmp.className = 'jstree-children';
+                                       par.appendChild(tmp);
+                               }
+                               par = tmp;
+
+                               if(ind < par.childNodes.length) {
+                                       par.insertBefore(node, 
par.childNodes[ind]);
+                               }
+                               else {
+                                       par.appendChild(node);
+                               }
+                               if(f) {
+                                       node.childNodes[1].focus();
+                               }
+                       }
+                       if(obj.state.opened && !obj.state.loaded) {
+                               obj.state.opened = false;
+                               setTimeout($.proxy(function () {
+                                       this.open_node(obj.id, false, 0);
+                               }, this), 0);
+                       }
+                       return node;
+               },
+               /**
+                * opens a node, revaling its children. If the node is not 
loaded it will be loaded and opened once ready.
+                * @name open_node(obj [, callback, animation])
+                * @param {mixed} obj the node to open
+                * @param {Function} callback a function to execute once the 
node is opened
+                * @param {Number} animation the animation duration in 
milliseconds when opening the node (overrides the `core.animation` setting). 
Use `false` for no animation.
+                * @trigger open_node.jstree, after_open.jstree, 
before_open.jstree
+                */
+               open_node : function (obj, callback, animation) {
+                       var t1, t2, d, t;
+                       if($.isArray(obj)) {
+                               obj = obj.slice();
+                               for(t1 = 0, t2 = obj.length; t1 < t2; t1++) {
+                                       this.open_node(obj[t1], callback, 
animation);
+                               }
+                               return true;
+                       }
+                       obj = this.get_node(obj);
+                       if(!obj || obj.id === '#') {
+                               return false;
+                       }
+                       animation = animation === undefined ? 
this.settings.core.animation : animation;
+                       if(!this.is_closed(obj)) {
+                               if(callback) {
+                                       callback.call(this, obj, false);
+                               }
+                               return false;
+                       }
+                       if(!this.is_loaded(obj)) {
+                               if(this.is_loading(obj)) {
+                                       return setTimeout($.proxy(function () {
+                                               this.open_node(obj, callback, 
animation);
+                                       }, this), 500);
+                               }
+                               this.load_node(obj, function (o, ok) {
+                                       return ok ? this.open_node(o, callback, 
animation) : (callback ? callback.call(this, o, false) : false);
+                               });
+                       }
+                       else {
+                               d = this.get_node(obj, true);
+                               t = this;
+                               if(d.length) {
+                                       if(obj.children.length && 
!this._firstChild(d.children('.jstree-children')[0])) {
+                                               this.redraw_node(obj, true, 
false, true);
+                                               d = this.get_node(obj, true);
+                                       }
+                                       if(!animation) {
+                                               this.trigger('before_open', { 
"node" : obj });
+                                               d[0].className = 
d[0].className.replace('jstree-closed', 'jstree-open');
+                                               
d[0].setAttribute("aria-expanded", true);
+                                       }
+                                       else {
+                                               this.trigger('before_open', { 
"node" : obj });
+                                               d
+                                                       
.children(".jstree-children").css("display","none").end()
+                                                       
.removeClass("jstree-closed").addClass("jstree-open").attr("aria-expanded", 
true)
+                                                       
.children(".jstree-children").stop(true, true)
+                                                               
.slideDown(animation, function () {
+                                                                       
this.style.display = "";
+                                                                       
t.trigger("after_open", { "node" : obj });
+                                                               });
+                                       }
+                               }
+                               obj.state.opened = true;
+                               if(callback) {
+                                       callback.call(this, obj, true);
+                               }
+                               if(!d.length) {
+                                       /**
+                                        * triggered when a node is about to be 
opened (if the node is supposed to be in the DOM, it will be, but it won't be 
visible yet)
+                                        * @event
+                                        * @name before_open.jstree
+                                        * @param {Object} node the opened node
+                                        */
+                                       this.trigger('before_open', { "node" : 
obj });
+                               }
+                               /**
+                                * triggered when a node is opened (if there is 
an animation it will not be completed yet)
+                                * @event
+                                * @name open_node.jstree
+                                * @param {Object} node the opened node
+                                */
+                               this.trigger('open_node', { "node" : obj });
+                               if(!animation || !d.length) {
+                                       /**
+                                        * triggered when a node is opened and 
the animation is complete
+                                        * @event
+                                        * @name after_open.jstree
+                                        * @param {Object} node the opened node
+                                        */
+                                       this.trigger("after_open", { "node" : 
obj });
+                               }
+                       }
+               },
+               /**
+                * opens every parent of a node (node should be loaded)
+                * @name _open_to(obj)
+                * @param {mixed} obj the node to reveal
+                * @private
+                */
+               _open_to : function (obj) {
+                       obj = this.get_node(obj);
+                       if(!obj || obj.id === '#') {
+                               return false;
+                       }
+                       var i, j, p = obj.parents;
+                       for(i = 0, j = p.length; i < j; i+=1) {
+                               if(i !== '#') {
+                                       this.open_node(p[i], false, 0);
+                               }
+                       }
+                       return $('#' + obj.id.replace($.jstree.idregex,'\\$&'), 
this.element);
+               },
+               /**
+                * closes a node, hiding its children
+                * @name close_node(obj [, animation])
+                * @param {mixed} obj the node to close
+                * @param {Number} animation the animation duration in 
milliseconds when closing the node (overrides the `core.animation` setting). 
Use `false` for no animation.
+                * @trigger close_node.jstree, after_close.jstree
+                */
+               close_node : function (obj, animation) {
+                       var t1, t2, t, d;
+                       if($.isArray(obj)) {
+                               obj = obj.slice();
+                               for(t1 = 0, t2 = obj.length; t1 < t2; t1++) {
+                                       this.close_node(obj[t1], animation);
+                               }
+                               return true;
+                       }
+                       obj = this.get_node(obj);
+                       if(!obj || obj.id === '#') {
+                               return false;
+                       }
+                       if(this.is_closed(obj)) {
+                               return false;
+                       }
+                       animation = animation === undefined ? 
this.settings.core.animation : animation;
+                       t = this;
+                       d = this.get_node(obj, true);
+                       if(d.length) {
+                               if(!animation) {
+                                       d[0].className = 
d[0].className.replace('jstree-open', 'jstree-closed');
+                                       d.attr("aria-expanded", 
false).children('.jstree-children').remove();
+                               }
+                               else {
+                                       d
+                                               
.children(".jstree-children").attr("style","display:block !important").end()
+                                               
.removeClass("jstree-open").addClass("jstree-closed").attr("aria-expanded", 
false)
+                                               
.children(".jstree-children").stop(true, true).slideUp(animation, function () {
+                                                       this.style.display = "";
+                                                       
d.children('.jstree-children').remove();
+                                                       
t.trigger("after_close", { "node" : obj });
+                                               });
+                               }
+                       }
+                       obj.state.opened = false;
+                       /**
+                        * triggered when a node is closed (if there is an 
animation it will not be complete yet)
+                        * @event
+                        * @name close_node.jstree
+                        * @param {Object} node the closed node
+                        */
+                       this.trigger('close_node',{ "node" : obj });
+                       if(!animation || !d.length) {
+                               /**
+                                * triggered when a node is closed and the 
animation is complete
+                                * @event
+                                * @name after_close.jstree
+                                * @param {Object} node the closed node
+                                */
+                               this.trigger("after_close", { "node" : obj });
+                       }
+               },
+               /**
+                * toggles a node - closing it if it is open, opening it if it 
is closed
+                * @name toggle_node(obj)
+                * @param {mixed} obj the node to toggle
+                */
+               toggle_node : function (obj) {
+                       var t1, t2;
+                       if($.isArray(obj)) {
+                               obj = obj.slice();
+                               for(t1 = 0, t2 = obj.length; t1 < t2; t1++) {
+                                       this.toggle_node(obj[t1]);
+                               }
+                               return true;
+                       }
+                       if(this.is_closed(obj)) {
+                               return this.open_node(obj);
+                       }
+                       if(this.is_open(obj)) {
+                               return this.close_node(obj);
+                       }
+               },
+               /**
+                * opens all nodes within a node (or the tree), revaling their 
children. If the node is not loaded it will be loaded and opened once ready.
+                * @name open_all([obj, animation, original_obj])
+                * @param {mixed} obj the node to open recursively, omit to 
open all nodes in the tree
+                * @param {Number} animation the animation duration in 
milliseconds when opening the nodes, the default is no animation
+                * @param {jQuery} reference to the node that started the 
process (internal use)
+                * @trigger open_all.jstree
+                */
+               open_all : function (obj, animation, original_obj) {
+                       if(!obj) { obj = '#'; }
+                       obj = this.get_node(obj);
+                       if(!obj) { return false; }
+                       var dom = obj.id === '#' ? this.get_container_ul() : 
this.get_node(obj, true), i, j, _this;
+                       if(!dom.length) {
+                               for(i = 0, j = obj.children_d.length; i < j; 
i++) {
+                                       
if(this.is_closed(this._model.data[obj.children_d[i]])) {
+                                               
this._model.data[obj.children_d[i]].state.opened = true;
+                                       }
+                               }
+                               return this.trigger('open_all', { "node" : obj 
});
+                       }
+                       original_obj = original_obj || dom;
+                       _this = this;
+                       dom = this.is_closed(obj) ? 
dom.find('.jstree-closed').addBack() : dom.find('.jstree-closed');
+                       dom.each(function () {
+                               _this.open_node(
+                                       this,
+                                       function(node, status) { if(status && 
this.is_parent(node)) { this.open_all(node, animation, original_obj); } },
+                                       animation || 0
+                               );
+                       });
+                       if(original_obj.find('.jstree-closed').length === 0) {
+                               /**
+                                * triggered when an `open_all` call completes
+                                * @event
+                                * @name open_all.jstree
+                                * @param {Object} node the opened node
+                                */
+                               this.trigger('open_all', { "node" : 
this.get_node(original_obj) });
+                       }
+               },
+               /**
+                * closes all nodes within a node (or the tree), revaling their 
children
+                * @name close_all([obj, animation])
+                * @param {mixed} obj the node to close recursively, omit to 
close all nodes in the tree
+                * @param {Number} animation the animation duration in 
milliseconds when closing the nodes, the default is no animation
+                * @trigger close_all.jstree
+                */
+               close_all : function (obj, animation) {
+                       if(!obj) { obj = '#'; }
+                       obj = this.get_node(obj);
+                       if(!obj) { return false; }
+                       var dom = obj.id === '#' ? this.get_container_ul() : 
this.get_node(obj, true),
+                               _this = this, i, j;
+                       if(!dom.length) {
+                               for(i = 0, j = obj.children_d.length; i < j; 
i++) {
+                                       
this._model.data[obj.children_d[i]].state.opened = false;
+                               }
+                               return this.trigger('close_all', { "node" : obj 
});
+                       }
+                       dom = this.is_open(obj) ? 
dom.find('.jstree-open').addBack() : dom.find('.jstree-open');
+                       $(dom.get().reverse()).each(function () { 
_this.close_node(this, animation || 0); });
+                       /**
+                        * triggered when an `close_all` call completes
+                        * @event
+                        * @name close_all.jstree
+                        * @param {Object} node the closed node
+                        */
+                       this.trigger('close_all', { "node" : obj });
+               },
+               /**
+                * checks if a node is disabled (not selectable)
+                * @name is_disabled(obj)
+                * @param  {mixed} obj
+                * @return {Boolean}
+                */
+               is_disabled : function (obj) {
+                       obj = this.get_node(obj);
+                       return obj && obj.state && obj.state.disabled;
+               },
+               /**
+                * enables a node - so that it can be selected
+                * @name enable_node(obj)
+                * @param {mixed} obj the node to enable
+                * @trigger enable_node.jstree
+                */
+               enable_node : function (obj) {
+                       var t1, t2;
+                       if($.isArray(obj)) {
+                               obj = obj.slice();
+                               for(t1 = 0, t2 = obj.length; t1 < t2; t1++) {
+                                       this.enable_node(obj[t1]);
+                               }
+                               return true;
+                       }
+                       obj = this.get_node(obj);
+                       if(!obj || obj.id === '#') {
+                               return false;
+                       }
+                       obj.state.disabled = false;
+                       
this.get_node(obj,true).children('.jstree-anchor').removeClass('jstree-disabled').attr('aria-disabled',
 false);
+                       /**
+                        * triggered when an node is enabled
+                        * @event
+                        * @name enable_node.jstree
+                        * @param {Object} node the enabled node
+                        */
+                       this.trigger('enable_node', { 'node' : obj });
+               },
+               /**
+                * disables a node - so that it can not be selected
+                * @name disable_node(obj)
+                * @param {mixed} obj the node to disable
+                * @trigger disable_node.jstree
+                */
+               disable_node : function (obj) {
+                       var t1, t2;
+                       if($.isArray(obj)) {
+                               obj = obj.slice();
+                               for(t1 = 0, t2 = obj.length; t1 < t2; t1++) {
+                                       this.disable_node(obj[t1]);
+                               }
+                               return true;
+                       }
+                       obj = this.get_node(obj);
+                       if(!obj || obj.id === '#') {
+                               return false;
+                       }
+                       obj.state.disabled = true;
+                       
this.get_node(obj,true).children('.jstree-anchor').addClass('jstree-disabled').attr('aria-disabled',
 true);
+                       /**
+                        * triggered when an node is disabled
+                        * @event
+                        * @name disable_node.jstree
+                        * @param {Object} node the disabled node
+                        */
+                       this.trigger('disable_node', { 'node' : obj });
+               },
+               /**
+                * called when a node is selected by the user. Used internally.
+                * @private
+                * @name activate_node(obj, e)
+                * @param {mixed} obj the node
+                * @param {Object} e the related event
+                * @trigger activate_node.jstree, changed.jstree
+                */
+               activate_node : function (obj, e) {
+                       if(this.is_disabled(obj)) {
+                               return false;
+                       }
+
+                       // ensure last_clicked is still in the DOM, make it 
fresh (maybe it was moved?) and make sure it is still selected, if not - make 
last_clicked the last selected node
+                       this._data.core.last_clicked = 
this._data.core.last_clicked && this._data.core.last_clicked.id !== undefined ? 
this.get_node(this._data.core.last_clicked.id) : null;
+                       if(this._data.core.last_clicked && 
!this._data.core.last_clicked.state.selected) { this._data.core.last_clicked = 
null; }
+                       if(!this._data.core.last_clicked && 
this._data.core.selected.length) { this._data.core.last_clicked = 
this.get_node(this._data.core.selected[this._data.core.selected.length - 1]); }
+
+                       if(!this.settings.core.multiple || (!e.metaKey && 
!e.ctrlKey && !e.shiftKey) || (e.shiftKey && (!this._data.core.last_clicked || 
!this.get_parent(obj) || this.get_parent(obj) !== 
this._data.core.last_clicked.parent ) )) {
+                               if(!this.settings.core.multiple && (e.metaKey 
|| e.ctrlKey || e.shiftKey) && this.is_selected(obj)) {
+                                       this.deselect_node(obj, false, e);
+                               }
+                               else {
+                                       this.deselect_all(true);
+                                       this.select_node(obj, false, false, e);
+                                       this._data.core.last_clicked = 
this.get_node(obj);
+                               }
+                       }
+                       else {
+                               if(e.shiftKey) {
+                                       var o = this.get_node(obj).id,
+                                               l = 
this._data.core.last_clicked.id,
+                                               p = 
this.get_node(this._data.core.last_clicked.parent).children,
+                                               c = false,
+                                               i, j;
+                                       for(i = 0, j = p.length; i < j; i += 1) 
{
+                                               // separate IFs work whem o and 
l are the same
+                                               if(p[i] === o) {
+                                                       c = !c;
+                                               }
+                                               if(p[i] === l) {
+                                                       c = !c;
+                                               }
+                                               if(c || p[i] === o || p[i] === 
l) {
+                                                       this.select_node(p[i], 
true, false, e);
+                                               }
+                                               else {
+                                                       
this.deselect_node(p[i], true, e);
+                                               }
+                                       }
+                                       this.trigger('changed', { 'action' : 
'select_node', 'node' : this.get_node(obj), 'selected' : 
this._data.core.selected, 'event' : e });
+                               }
+                               else {
+                                       if(!this.is_selected(obj)) {
+                                               this.select_node(obj, false, 
false, e);
+                                       }
+                                       else {
+                                               this.deselect_node(obj, false, 
e);
+                                       }
+                               }
+                       }
+                       /**
+                        * triggered when an node is clicked or intercated with 
by the user
+                        * @event
+                        * @name activate_node.jstree
+                        * @param {Object} node
+                        */
+                       this.trigger('activate_node', { 'node' : 
this.get_node(obj) });
+               },
+               /**
+                * applies the hover state on a node, called when a node is 
hovered by the user. Used internally.
+                * @private
+                * @name hover_node(obj)
+                * @param {mixed} obj
+                * @trigger hover_node.jstree
+                */
+               hover_node : function (obj) {
+                       obj = this.get_node(obj, true);
+                       if(!obj || !obj.length || 
obj.children('.jstree-hovered').length) {
+                               return false;
+                       }
+                       var o = this.element.find('.jstree-hovered'), t = 
this.element;
+                       if(o && o.length) { this.dehover_node(o); }
+
+                       
obj.children('.jstree-anchor').addClass('jstree-hovered');
+                       /**
+                        * triggered when an node is hovered
+                        * @event
+                        * @name hover_node.jstree
+                        * @param {Object} node
+                        */
+                       this.trigger('hover_node', { 'node' : 
this.get_node(obj) });
+                       setTimeout(function () { 
t.attr('aria-activedescendant', obj[0].id); }, 0);
+               },
+               /**
+                * removes the hover state from a nodecalled when a node is no 
longer hovered by the user. Used internally.
+                * @private
+                * @name dehover_node(obj)
+                * @param {mixed} obj
+                * @trigger dehover_node.jstree
+                */
+               dehover_node : function (obj) {
+                       obj = this.get_node(obj, true);
+                       if(!obj || !obj.length || 
!obj.children('.jstree-hovered').length) {
+                               return false;
+                       }
+                       
obj.children('.jstree-anchor').removeClass('jstree-hovered');
+                       /**
+                        * triggered when an node is no longer hovered
+                        * @event
+                        * @name dehover_node.jstree
+                        * @param {Object} node
+                        */
+                       this.trigger('dehover_node', { 'node' : 
this.get_node(obj) });
+               },
+               /**
+                * select a node
+                * @name select_node(obj [, supress_event, prevent_open])
+                * @param {mixed} obj an array can be used to select multiple 
nodes
+                * @param {Boolean} supress_event if set to `true` the 
`changed.jstree` event won't be triggered
+                * @param {Boolean} prevent_open if set to `true` parents of 
the selected node won't be opened
+                * @trigger select_node.jstree, changed.jstree
+                */
+               select_node : function (obj, supress_event, prevent_open, e) {
+                       var dom, t1, t2, th;
+                       if($.isArray(obj)) {
+                               obj = obj.slice();
+                               for(t1 = 0, t2 = obj.length; t1 < t2; t1++) {
+                                       this.select_node(obj[t1], 
supress_event, prevent_open, e);
+                               }
+                               return true;
+                       }
+                       obj = this.get_node(obj);
+                       if(!obj || obj.id === '#') {
+                               return false;
+                       }
+                       dom = this.get_node(obj, true);
+                       if(!obj.state.selected) {
+                               obj.state.selected = true;
+                               this._data.core.selected.push(obj.id);
+                               if(!prevent_open) {
+                                       dom = this._open_to(obj);
+                               }
+                               if(dom && dom.length) {
+                                       dom.attr('aria-selected', 
true).children('.jstree-anchor').addClass('jstree-clicked');
+                               }
+                               /**
+                                * triggered when an node is selected
+                                * @event
+                                * @name select_node.jstree
+                                * @param {Object} node
+                                * @param {Array} selected the current selection
+                                * @param {Object} event the event (if any) 
that triggered this select_node
+                                */
+                               this.trigger('select_node', { 'node' : obj, 
'selected' : this._data.core.selected, 'event' : e });
+                               if(!supress_event) {
+                                       /**
+                                        * triggered when selection changes
+                                        * @event
+                                        * @name changed.jstree
+                                        * @param {Object} node
+                                        * @param {Object} action the action 
that caused the selection to change
+                                        * @param {Array} selected the current 
selection
+                                        * @param {Object} event the event (if 
any) that triggered this changed event
+                                        */
+                                       this.trigger('changed', { 'action' : 
'select_node', 'node' : obj, 'selected' : this._data.core.selected, 'event' : e 
});
+                               }
+                       }
+               },
+               /**
+                * deselect a node
+                * @name deselect_node(obj [, supress_event])
+                * @param {mixed} obj an array can be used to deselect multiple 
nodes
+                * @param {Boolean} supress_event if set to `true` the 
`changed.jstree` event won't be triggered
+                * @trigger deselect_node.jstree, changed.jstree
+                */
+               deselect_node : function (obj, supress_event, e) {
+                       var t1, t2, dom;
+                       if($.isArray(obj)) {
+                               obj = obj.slice();
+                               for(t1 = 0, t2 = obj.length; t1 < t2; t1++) {
+                                       this.deselect_node(obj[t1], 
supress_event, e);
+                               }
+                               return true;
+                       }
+                       obj = this.get_node(obj);
+                       if(!obj || obj.id === '#') {
+                               return false;
+                       }
+                       dom = this.get_node(obj, true);
+                       if(obj.state.selected) {
+                               obj.state.selected = false;
+                               this._data.core.selected = 
$.vakata.array_remove_item(this._data.core.selected, obj.id);
+                               if(dom.length) {
+                                       dom.attr('aria-selected', 
false).children('.jstree-anchor').removeClass('jstree-clicked');
+                               }
+                               /**
+                                * triggered when an node is deselected
+                                * @event
+                                * @name deselect_node.jstree
+                                * @param {Object} node
+                                * @param {Array} selected the current selection
+                                * @param {Object} event the event (if any) 
that triggered this deselect_node
+                                */
+                               this.trigger('deselect_node', { 'node' : obj, 
'selected' : this._data.core.selected, 'event' : e });
+                               if(!supress_event) {
+                                       this.trigger('changed', { 'action' : 
'deselect_node', 'node' : obj, 'selected' : this._data.core.selected, 'event' : 
e });
+                               }
+                       }
+               },
+               /**
+                * select all nodes in the tree
+                * @name select_all([supress_event])
+                * @param {Boolean} supress_event if set to `true` the 
`changed.jstree` event won't be triggered
+                * @trigger select_all.jstree, changed.jstree
+                */
+               select_all : function (supress_event) {
+                       var tmp = this._data.core.selected.concat([]), i, j;
+                       this._data.core.selected = 
this._model.data['#'].children_d.concat();
+                       for(i = 0, j = this._data.core.selected.length; i < j; 
i++) {
+                               
if(this._model.data[this._data.core.selected[i]]) {
+                                       
this._model.data[this._data.core.selected[i]].state.selected = true;
+                               }
+                       }
+                       this.redraw(true);
+                       /**
+                        * triggered when all nodes are selected
+                        * @event
+                        * @name select_all.jstree
+                        * @param {Array} selected the current selection
+                        */
+                       this.trigger('select_all', { 'selected' : 
this._data.core.selected });
+                       if(!supress_event) {
+                               this.trigger('changed', { 'action' : 
'select_all', 'selected' : this._data.core.selected, 'old_selection' : tmp });
+                       }
+               },
+               /**
+                * deselect all selected nodes
+                * @name deselect_all([supress_event])
+                * @param {Boolean} supress_event if set to `true` the 
`changed.jstree` event won't be triggered
+                * @trigger deselect_all.jstree, changed.jstree
+                */
+               deselect_all : function (supress_event) {
+                       var tmp = this._data.core.selected.concat([]), i, j;
+                       for(i = 0, j = this._data.core.selected.length; i < j; 
i++) {
+                               
if(this._model.data[this._data.core.selected[i]]) {
+                                       
this._model.data[this._data.core.selected[i]].state.selected = false;
+                               }
+                       }
+                       this._data.core.selected = [];
+                       
this.element.find('.jstree-clicked').removeClass('jstree-clicked').parent().attr('aria-selected',
 false);
+                       /**
+                        * triggered when all nodes are deselected
+                        * @event
+                        * @name deselect_all.jstree
+                        * @param {Object} node the previous selection
+                        * @param {Array} selected the current selection
+                        */
+                       this.trigger('deselect_all', { 'selected' : 
this._data.core.selected, 'node' : tmp });
+                       if(!supress_event) {
+                               this.trigger('changed', { 'action' : 
'deselect_all', 'selected' : this._data.core.selected, 'old_selection' : tmp });
+                       }
+               },
+               /**
+                * checks if a node is selected
+                * @name is_selected(obj)
+                * @param  {mixed}  obj
+                * @return {Boolean}
+                */
+               is_selected : function (obj) {
+                       obj = this.get_node(obj);
+                       if(!obj || obj.id === '#') {
+                               return false;
+                       }
+                       return obj.state.selected;
+               },
+               /**
+                * get an array of all selected nodes
+                * @name get_selected([full])
+                * @param  {mixed}  full if set to `true` the returned array 
will consist of the full node objects, otherwise - only IDs will be returned
+                * @return {Array}
+                */
+               get_selected : function (full) {
+                       return full ? $.map(this._data.core.selected, 
$.proxy(function (i) { return this.get_node(i); }, this)) : 
this._data.core.selected.slice();
+               },
+               /**
+                * get an array of all top level selected nodes (ignoring 
children of selected nodes)
+                * @name get_top_selected([full])
+                * @param  {mixed}  full if set to `true` the returned array 
will consist of the full node objects, otherwise - only IDs will be returned
+                * @return {Array}
+                */
+               get_top_selected : function (full) {
+                       var tmp = this.get_selected(true),
+                               obj = {}, i, j, k, l;
+                       for(i = 0, j = tmp.length; i < j; i++) {
+                               obj[tmp[i].id] = tmp[i];
+                       }
+                       for(i = 0, j = tmp.length; i < j; i++) {
+                               for(k = 0, l = tmp[i].children_d.length; k < l; 
k++) {
+                                       if(obj[tmp[i].children_d[k]]) {
+                                               delete 
obj[tmp[i].children_d[k]];
+                                       }
+                               }
+                       }
+                       tmp = [];
+                       for(i in obj) {
+                               if(obj.hasOwnProperty(i)) {
+                                       tmp.push(i);
+                               }
+                       }
+                       return full ? $.map(tmp, $.proxy(function (i) { return 
this.get_node(i); }, this)) : tmp;
+               },
+               /**
+                * get an array of all bottom level selected nodes (ignoring 
selected parents)
+                * @name get_bottom_selected([full])
+                * @param  {mixed}  full if set to `true` the returned array 
will consist of the full node objects, otherwise - only IDs will be returned
+                * @return {Array}
+                */
+               get_bottom_selected : function (full) {
+                       var tmp = this.get_selected(true),
+                               obj = [], i, j;
+                       for(i = 0, j = tmp.length; i < j; i++) {
+                               if(!tmp[i].children.length) {
+                                       obj.push(tmp[i].id);
+                               }
+                       }
+                       return full ? $.map(obj, $.proxy(function (i) { return 
this.get_node(i); }, this)) : obj;
+               },
+               /**
+                * gets the current state of the tree so that it can be 
restored later with `set_state(state)`. Used internally.
+                * @name get_state()
+                * @private
+                * @return {Object}
+                */
+               get_state : function () {
+                       var state       = {
+                               'core' : {
+                                       'open' : [],
+                                       'scroll' : {
+                                               'left' : 
this.element.scrollLeft(),
+                                               'top' : this.element.scrollTop()
+                                       },
+                                       /*!
+                                       'themes' : {
+                                               'name' : this.get_theme(),
+                                               'icons' : 
this._data.core.themes.icons,
+                                               'dots' : 
this._data.core.themes.dots
+                                       },
+                                       */
+                                       'selected' : []
+                               }
+                       }, i;
+                       for(i in this._model.data) {
+                               if(this._model.data.hasOwnProperty(i)) {
+                                       if(i !== '#') {
+                                               
if(this._model.data[i].state.opened) {
+                                                       state.core.open.push(i);
+                                               }
+                                               
if(this._model.data[i].state.selected) {
+                                                       
state.core.selected.push(i);
+                                               }
+                                       }
+                               }
+                       }
+                       return state;
+               },
+               /**
+                * sets the state of the tree. Used internally.
+                * @name set_state(state [, callback])
+                * @private
+                * @param {Object} state the state to restore
+                * @param {Function} callback an optional function to execute 
once the state is restored.
+                * @trigger set_state.jstree
+                */
+               set_state : function (state, callback) {
+                       if(state) {
+                               if(state.core) {
+                                       var res, n, t, _this;
+                                       if(state.core.open) {
+                                               if(!$.isArray(state.core.open)) 
{
+                                                       delete state.core.open;
+                                                       this.set_state(state, 
callback);
+                                                       return false;
+                                               }
+                                               res = true;
+                                               n = false;
+                                               t = this;
+                                               
$.each(state.core.open.concat([]), function (i, v) {
+                                                       n = t.get_node(v);
+                                                       if(n) {
+                                                               
if(t.is_loaded(v)) {
+                                                                       
if(t.is_closed(v)) {
+                                                                               
t.open_node(v, false, 0);
+                                                                       }
+                                                                       
if(state && state.core && state.core.open) {
+                                                                               
$.vakata.array_remove_item(state.core.open, v);
+                                                                       }
+                                                               }
+                                                               else {
+                                                                       
if(!t.is_loading(v)) {
+                                                                               
t.open_node(v, $.proxy(function (o, s) {
+                                                                               
        if(!s && state && state.core && state.core.open) {
+                                                                               
                $.vakata.array_remove_item(state.core.open, o.id);
+                                                                               
        }
+                                                                               
        this.set_state(state, callback);
+                                                                               
}, t), 0);
+                                                                       }
+                                                                       // 
there will be some async activity - so wait for it
+                                                                       res = 
false;
+                                                               }
+                                                       }
+                                               });
+                                               if(res) {
+                                                       delete state.core.open;
+                                                       this.set_state(state, 
callback);
+                                               }
+                                               return false;
+                                       }
+                                       if(state.core.scroll) {
+                                               if(state.core.scroll && 
state.core.scroll.left !== undefined) {
+                                                       
this.element.scrollLeft(state.core.scroll.left);
+                                               }
+                                               if(state.core.scroll && 
state.core.scroll.top !== undefined) {
+                                                       
this.element.scrollTop(state.core.scroll.top);
+                                               }
+                                               delete state.core.scroll;
+                                               this.set_state(state, callback);
+                                               return false;
+                                       }
+                                       /*!
+                                       if(state.core.themes) {
+                                               if(state.core.themes.name) {
+                                                       
this.set_theme(state.core.themes.name);
+                                               }
+                                               if(typeof 
state.core.themes.dots !== 'undefined') {
+                                                       this[ 
state.core.themes.dots ? "show_dots" : "hide_dots" ]();
+                                               }
+                                               if(typeof 
state.core.themes.icons !== 'undefined') {
+                                                       this[ 
state.core.themes.icons ? "show_icons" : "hide_icons" ]();
+                                               }
+                                               delete state.core.themes;
+                                               delete state.core.open;
+                                               this.set_state(state, callback);
+                                               return false;
+                                       }
+                                       */
+                                       if(state.core.selected) {
+                                               _this = this;
+                                               this.deselect_all();
+                                               $.each(state.core.selected, 
function (i, v) {
+                                                       _this.select_node(v);
+                                               });
+                                               delete state.core.selected;
+                                               this.set_state(state, callback);
+                                               return false;
+                                       }
+                                       if($.isEmptyObject(state.core)) {
+                                               delete state.core;
+                                               this.set_state(state, callback);
+                                               return false;
+                                       }
+                               }
+                               if($.isEmptyObject(state)) {
+                                       state = null;
+                                       if(callback) { callback.call(this); }
+                                       /**
+                                        * triggered when a `set_state` call 
completes
+                                        * @event
+                                        * @name set_state.jstree
+                                        */
+                                       this.trigger('set_state');
+                                       return false;
+                               }
+                               return true;
+                       }
+                       return false;
+               },
+               /**
+                * refreshes the tree - all nodes are reloaded with calls to 
`load_node`.
+                * @name refresh()
+                * @param {Boolean} skip_loading an option to skip showing the 
loading indicator
+                * @param {Mixed} forget_state if set to `true` state will not 
be reapplied, if set to a function (receiving the current state as argument) 
the result of that function will be used as state
+                * @trigger refresh.jstree
+                */
+               refresh : function (skip_loading, forget_state) {
+                       this._data.core.state = forget_state === true ? {} : 
this.get_state();
+                       if(forget_state && $.isFunction(forget_state)) { 
this._data.core.state = forget_state.call(this, this._data.core.state); }
+                       this._cnt = 0;
+                       this._model.data = {
+                               '#' : {
+                                       id : '#',
+                                       parent : null,
+                                       parents : [],
+                                       children : [],
+                                       children_d : [],
+                                       state : { loaded : false }
+                               }
+                       };
+                       var c = this.get_container_ul()[0].className;
+                       if(!skip_loading) {
+                               this.element.html("<"+"ul class='"+c+"' 
role='group'><"+"li class='jstree-initial-node jstree-loading jstree-leaf 
jstree-last' role='treeitem' id='j"+this._id+"_loading'><i class='jstree-icon 
jstree-ocl'></i><"+"a class='jstree-anchor' href='#'><i class='jstree-icon 
jstree-themeicon-hidden'></i>" + this.get_string("Loading ...") + 
"</a></li></ul>");
+                               
this.element.attr('aria-activedescendant','j'+this._id+'_loading');
+                       }
+                       this.load_node('#', function (o, s) {
+                               if(s) {
+                                       this.get_container_ul()[0].className = 
c;
+                                       
if(this._firstChild(this.get_container_ul()[0])) {
+                                               
this.element.attr('aria-activedescendant',this._firstChild(this.get_container_ul()[0]).id);
+                                       }
+                                       this.set_state($.extend(true, {}, 
this._data.core.state), function () {
+                                               /**
+                                                * triggered when a `refresh` 
call completes
+                                                * @event
+                                                * @name refresh.jstree
+                                                */
+                                               this.trigger('refresh');
+                                       });
+                               }
+                               this._data.core.state = null;
+                       });
+               },
+               /**
+                * refreshes a node in the tree (reload its children) all 
opened nodes inside that node are reloaded with calls to `load_node`.
+                * @name refresh_node(obj)
+                * @param  {mixed} obj the node
+                * @trigger refresh_node.jstree
+                */
+               refresh_node : function (obj) {
+                       obj = this.get_node(obj);
+                       if(!obj || obj.id === '#') { return false; }
+                       var opened = [], to_load = [], s = 
this._data.core.selected.concat([]);
+                       to_load.push(obj.id);
+                       if(obj.state.opened === true) { opened.push(obj.id); }
+                       this.get_node(obj, 
true).find('.jstree-open').each(function() { opened.push(this.id); });
+                       this._load_nodes(to_load, $.proxy(function (nodes) {
+                               this.open_node(opened, false, 0);
+                               this.select_node(this._data.core.selected);
+                               /**
+                                * triggered when a node is refreshed
+                                * @event
+                                * @name refresh_node.jstree
+                                * @param {Object} node - the refreshed node
+                                * @param {Array} nodes - an array of the IDs 
of the nodes that were reloaded
+                                */
+                               this.trigger('refresh_node', { 'node' : obj, 
'nodes' : nodes });
+                       }, this));
+               },
+               /**
+                * set (change) the ID of a node
+                * @name set_id(obj, id)
+                * @param  {mixed} obj the node
+                * @param  {String} id the new ID
+                * @return {Boolean}
+                */
+               set_id : function (obj, id) {
+                       obj = this.get_node(obj);
+                       if(!obj || obj.id === '#') { return false; }
+                       var i, j, m = this._model.data;
+                       id = id.toString();
+                       // update parents (replace current ID with new one in 
children and children_d)
+                       m[obj.parent].children[$.inArray(obj.id, 
m[obj.parent].children)] = id;
+                       for(i = 0, j = obj.parents.length; i < j; i++) {
+                               m[obj.parents[i]].children_d[$.inArray(obj.id, 
m[obj.parents[i]].children_d)] = id;
+                       }
+                       // update children (replace current ID with new one in 
parent and parents)
+                       for(i = 0, j = obj.children.length; i < j; i++) {
+                               m[obj.children[i]].parent = id;
+                       }
+                       for(i = 0, j = obj.children_d.length; i < j; i++) {
+                               m[obj.children_d[i]].parents[$.inArray(obj.id, 
m[obj.children_d[i]].parents)] = id;
+                       }
+                       i = $.inArray(obj.id, this._data.core.selected);
+                       if(i !== -1) { this._data.core.selected[i] = id; }
+                       // update model and obj itself (obj.id, 
this._model.data[KEY])
+                       i = this.get_node(obj.id, true);
+                       if(i) {
+                               i.attr('id', id);
+                       }
+                       delete m[obj.id];
+                       obj.id = id;
+                       m[id] = obj;
+                       return true;
+               },
+               /**
+                * get the text value of a node
+                * @name get_text(obj)
+                * @param  {mixed} obj the node
+                * @return {String}
+                */
+               get_text : function (obj) {
+                       obj = this.get_node(obj);
+                       return (!obj || obj.id === '#') ? false : obj.text;
+               },
+               /**
+                * set the text value of a node. Used internally, please use 
`rename_node(obj, val)`.
+                * @private
+                * @name set_text(obj, val)
+                * @param  {mixed} obj the node, you can pass an array to set 
the text on multiple nodes
+                * @param  {String} val the new text value
+                * @return {Boolean}
+                * @trigger set_text.jstree
+                */
+               set_text : function (obj, val) {
+                       var t1, t2;
+                       if($.isArray(obj)) {
+                               obj = obj.slice();
+                               for(t1 = 0, t2 = obj.length; t1 < t2; t1++) {
+                                       this.set_text(obj[t1], val);
+                               }
+                               return true;
+                       }
+                       obj = this.get_node(obj);
+                       if(!obj || obj.id === '#') { return false; }
+                       obj.text = val;
+                       if(this.get_node(obj, true).length) {
+                               this.redraw_node(obj.id);
+                       }
+                       /**
+                        * triggered when a node text value is changed
+                        * @event
+                        * @name set_text.jstree
+                        * @param {Object} obj
+                        * @param {String} text the new value
+                        */
+                       this.trigger('set_text',{ "obj" : obj, "text" : val });
+                       return true;
+               },
+               /**
+                * gets a JSON representation of a node (or the whole tree)
+                * @name get_json([obj, options])
+                * @param  {mixed} obj
+                * @param  {Object} options
+                * @param  {Boolean} options.no_state do not return state 
information
+                * @param  {Boolean} options.no_id do not return ID
+                * @param  {Boolean} options.no_children do not include children
+                * @param  {Boolean} options.no_data do not include node data
+                * @param  {Boolean} options.flat return flat JSON instead of 
nested
+                * @return {Object}
+                */
+               get_json : function (obj, options, flat) {
+                       obj = this.get_node(obj || '#');
+                       if(!obj) { return false; }
+                       if(options && options.flat && !flat) { flat = []; }
+                       var tmp = {
+                               'id' : obj.id,
+                               'text' : obj.text,
+                               'icon' : this.get_icon(obj),
+                               'li_attr' : $.extend(true, {}, obj.li_attr),
+                               'a_attr' : $.extend(true, {}, obj.a_attr),
+                               'state' : {},
+                               'data' : options && options.no_data ? false : 
$.extend(true, {}, obj.data)
+                               //( this.get_node(obj, true).length ? 
this.get_node(obj, true).data() : obj.data ),
+                       }, i, j;
+                       if(options && options.flat) {
+                               tmp.parent = obj.parent;
+                       }
+                       else {
+                               tmp.children = [];
+                       }
+                       if(!options || !options.no_state) {
+                               for(i in obj.state) {
+                                       if(obj.state.hasOwnProperty(i)) {
+                                               tmp.state[i] = obj.state[i];
+                                       }
+                               }
+                       }
+                       if(options && options.no_id) {
+                               delete tmp.id;
+                               if(tmp.li_attr && tmp.li_attr.id) {
+                                       delete tmp.li_attr.id;
+                               }
+                               if(tmp.a_attr && tmp.a_attr.id) {
+                                       delete tmp.a_attr.id;
+                               }
+                       }
+                       if(options && options.flat && obj.id !== '#') {
+                               flat.push(tmp);
+                       }
+                       if(!options || !options.no_children) {
+                               for(i = 0, j = obj.children.length; i < j; i++) 
{
+                                       if(options && options.flat) {
+                                               this.get_json(obj.children[i], 
options, flat);
+                                       }
+                                       else {
+                                               
tmp.children.push(this.get_json(obj.children[i], options));
+                                       }
+                               }
+                       }
+                       return options && options.flat ? flat : (obj.id === '#' 
? tmp.children : tmp);
+               },
+               /**
+                * create a new node (do not confuse with load_node)
+                * @name create_node([obj, node, pos, callback, is_loaded])
+                * @param  {mixed}   par       the parent node (to create a 
root node use either "#" (string) or `null`)
+                * @param  {mixed}   node      the data for the new node (a 
valid JSON object, or a simple string with the name)
+                * @param  {mixed}   pos       the index at which to insert the 
node, "first" and "last" are also supported, default is "last"
+                * @param  {Function} callback a function to be called once the 
node is created
+                * @param  {Boolean} is_loaded internal argument indicating if 
the parent node was succesfully loaded
+                * @return {String}            the ID of the newly create node
+                * @trigger model.jstree, create_node.jstree
+                */
+               create_node : function (par, node, pos, callback, is_loaded) {
+                       if(par === null) { par = "#"; }
+                       par = this.get_node(par);
+                       if(!par) { return false; }
+                       pos = pos === undefined ? "last" : pos;
+                       if(!pos.toString().match(/^(before|after)$/) && 
!is_loaded && !this.is_loaded(par)) {
+                               return this.load_node(par, function () { 
this.create_node(par, node, pos, callback, true); });
+                       }
+                       if(!node) { node = { "text" : this.get_string('New 
node') }; }
+                       if(node.text === undefined) { node.text = 
this.get_string('New node'); }
+                       var tmp, dpc, i, j;
+
+                       if(par.id === '#') {
+                               if(pos === "before") { pos = "first"; }
+                               if(pos === "after") { pos = "last"; }
+                       }
+                       switch(pos) {
+                               case "before":
+                                       tmp = this.get_node(par.parent);
+                                       pos = $.inArray(par.id, tmp.children);
+                                       par = tmp;
+                                       break;
+                               case "after" :
+                                       tmp = this.get_node(par.parent);
+                                       pos = $.inArray(par.id, tmp.children) + 
1;
+                                       par = tmp;
+                                       break;
+                               case "inside":
+                               case "first":
+                                       pos = 0;
+                                       break;
+                               case "last":
+                                       pos = par.children.length;
+                                       break;
+                               default:
+                                       if(!pos) { pos = 0; }
+                                       break;
+                       }
+                       if(pos > par.children.length) { pos = 
par.children.length; }
+                       if(!node.id) { node.id = true; }
+                       if(!this.check("create_node", node, par, pos)) {
+                               this.settings.core.error.call(this, 
this._data.core.last_error);
+                               return false;
+                       }
+                       if(node.id === true) { delete node.id; }
+                       node = this._parse_model_from_json(node, par.id, 
par.parents.concat());
+                       if(!node) { return false; }
+                       tmp = this.get_node(node);
+                       dpc = [];
+                       dpc.push(node);
+                       dpc = dpc.concat(tmp.children_d);
+                       this.trigger('model', { "nodes" : dpc, "parent" : 
par.id });
+
+                       par.children_d = par.children_d.concat(dpc);
+                       for(i = 0, j = par.parents.length; i < j; i++) {
+                               this._model.data[par.parents[i]].children_d = 
this._model.data[par.parents[i]].children_d.concat(dpc);
+                       }
+                       node = tmp;
+                       tmp = [];
+                       for(i = 0, j = par.children.length; i < j; i++) {
+                               tmp[i >= pos ? i+1 : i] = par.children[i];
+                       }
+                       tmp[pos] = node.id;
+                       par.children = tmp;
+
+                       this.redraw_node(par, true);
+                       if(callback) { callback.call(this, 
this.get_node(node)); }
+                       /**
+                        * triggered when a node is created
+                        * @event
+                        * @name create_node.jstree
+                        * @param {Object} node
+                        * @param {String} parent the parent's ID
+                        * @param {Number} position the position of the new 
node among the parent's children
+                        */
+                       this.trigger('create_node', { "node" : 
this.get_node(node), "parent" : par.id, "position" : pos });
+                       return node.id;
+               },
+               /**
+                * set the text value of a node
+                * @name rename_node(obj, val)
+                * @param  {mixed} obj the node, you can pass an array to 
rename multiple nodes to the same name
+                * @param  {String} val the new text value
+                * @return {Boolean}
+                * @trigger rename_node.jstree
+                */
+               rename_node : function (obj, val) {
+                       var t1, t2, old;
+                       if($.isArray(obj)) {
+                               obj = obj.slice();
+                               for(t1 = 0, t2 = obj.length; t1 < t2; t1++) {
+                                       this.rename_node(obj[t1], val);
+                               }
+                               return true;
+                       }
+                       obj = this.get_node(obj);
+                       if(!obj || obj.id === '#') { return false; }
+                       old = obj.text;
+                       if(!this.check("rename_node", obj, 
this.get_parent(obj), val)) {
+                               this.settings.core.error.call(this, 
this._data.core.last_error);
+                               return false;
+                       }
+                       this.set_text(obj, val); // .apply(this, 
Array.prototype.slice.call(arguments))
+                       /**
+                        * triggered when a node is renamed
+                        * @event
+                        * @name rename_node.jstree
+                        * @param {Object} node
+                        * @param {String} text the new value
+                        * @param {String} old the old value
+                        */
+                       this.trigger('rename_node', { "node" : obj, "text" : 
val, "old" : old });
+                       return true;
+               },
+               /**
+                * remove a node
+                * @name delete_node(obj)
+                * @param  {mixed} obj the node, you can pass an array to 
delete multiple nodes
+                * @return {Boolean}
+                * @trigger delete_node.jstree, changed.jstree
+                */
+               delete_node : function (obj) {
+                       var t1, t2, par, pos, tmp, i, j, k, l, c;
+                       if($.isArray(obj)) {
+                               obj = obj.slice();
+                               for(t1 = 0, t2 = obj.length; t1 < t2; t1++) {
+                                       this.delete_node(obj[t1]);
+                               }
+                               return true;
+                       }
+                       obj = this.get_node(obj);
+                       if(!obj || obj.id === '#') { return false; }
+                       par = this.get_node(obj.parent);
+                       pos = $.inArray(obj.id, par.children);
+                       c = false;
+                       if(!this.check("delete_node", obj, par, pos)) {
+                               this.settings.core.error.call(this, 
this._data.core.last_error);
+                               return false;
+                       }
+                       if(pos !== -1) {
+                               par.children = 
$.vakata.array_remove(par.children, pos);
+                       }
+                       tmp = obj.children_d.concat([]);
+                       tmp.push(obj.id);
+                       for(k = 0, l = tmp.length; k < l; k++) {
+                               for(i = 0, j = obj.parents.length; i < j; i++) {
+                                       pos = $.inArray(tmp[k], 
this._model.data[obj.parents[i]].children_d);
+                                       if(pos !== -1) {
+                                               
this._model.data[obj.parents[i]].children_d = 
$.vakata.array_remove(this._model.data[obj.parents[i]].children_d, pos);
+                                       }
+                               }
+                               if(this._model.data[tmp[k]].state.selected) {
+                                       c = true;
+                                       pos = $.inArray(tmp[k], 
this._data.core.selected);
+                                       if(pos !== -1) {
+                                               this._data.core.selected = 
$.vakata.array_remove(this._data.core.selected, pos);
+                                       }
+                               }
+                       }
+                       /**
+                        * triggered when a node is deleted
+                        * @event
+                        * @name delete_node.jstree
+                        * @param {Object} node
+                        * @param {String} parent the parent's ID
+                        */
+                       this.trigger('delete_node', { "node" : obj, "parent" : 
par.id });
+                       if(c) {
+                               this.trigger('changed', { 'action' : 
'delete_node', 'node' : obj, 'selected' : this._data.core.selected, 'parent' : 
par.id });
+                       }
+                       for(k = 0, l = tmp.length; k < l; k++) {
+                               delete this._model.data[tmp[k]];
+                       }
+                       this.redraw_node(par, true);
+                       return true;
+               },
+               /**
+                * check if an operation is premitted on the tree. Used 
internally.
+                * @private
+                * @name check(chk, obj, par, pos)
+                * @param  {String} chk the operation to check, can be 
"create_node", "rename_node", "delete_node", "copy_node" or "move_node"
+                * @param  {mixed} obj the node
+                * @param  {mixed} par the parent
+                * @param  {mixed} pos the position to insert at, or if 
"rename_node" - the new name
+                * @param  {mixed} more some various additional information, 
for example if a "move_node" operations is triggered by DND this will be the 
hovered node
+                * @return {Boolean}
+                */
+               check : function (chk, obj, par, pos, more) {
+                       obj = obj && obj.id ? obj : this.get_node(obj);
+                       par = par && par.id ? par : this.get_node(par);
+                       var tmp = 
chk.match(/^move_node|copy_node|create_node$/i) ? par : obj,
+                               chc = this.settings.core.check_callback;
+                       if(chk === "move_node" || chk === "copy_node") {
+                               if((!more || !more.is_multi) && (obj.id === 
par.id || $.inArray(obj.id, par.children) === pos || $.inArray(par.id, 
obj.children_d) !== -1)) {
+                                       this._data.core.last_error = { 'error' 
: 'check', 'plugin' : 'core', 'id' : 'core_01', 'reason' : 'Moving parent 
inside child', 'data' : JSON.stringify({ 'chk' : chk, 'pos' : pos, 'obj' : obj 
&& obj.id ? obj.id : false, 'par' : par && par.id ? par.id : false }) };
+                                       return false;
+                               }
+                       }
+                       if(tmp && tmp.data) { tmp = tmp.data; }
+                       if(tmp && tmp.functions && (tmp.functions[chk] === 
false || tmp.functions[chk] === true)) {
+                               if(tmp.functions[chk] === false) {
+                                       this._data.core.last_error = { 'error' 
: 'check', 'plugin' : 'core', 'id' : 'core_02', 'reason' : 'Node data prevents 
function: ' + chk, 'data' : JSON.stringify({ 'chk' : chk, 'pos' : pos, 'obj' : 
obj && obj.id ? obj.id : false, 'par' : par && par.id ? par.id : false }) };
+                               }
+                               return tmp.functions[chk];
+                       }
+                       if(chc === false || ($.isFunction(chc) && 
chc.call(this, chk, obj, par, pos, more) === false) || (chc && chc[chk] === 
false)) {
+                               this._data.core.last_error = { 'error' : 
'check', 'plugin' : 'core', 'id' : 'core_03', 'reason' : 'User config for 
core.check_callback prevents function: ' + chk, 'data' : JSON.stringify({ 'chk' 
: chk, 'pos' : pos, 'obj' : obj && obj.id ? obj.id : false, 'par' : par && 
par.id ? par.id : false }) };
+                               return false;
+                       }
+                       return true;
+               },
+               /**
+                * get the last error
+                * @name last_error()
+                * @return {Object}
+                */
+               last_error : function () {
+                       return this._data.core.last_error;
+               },
+               /**
+                * move a node to a new parent
+                * @name move_node(obj, par [, pos, callback, is_loaded])
+                * @param  {mixed} obj the node to move, pass an array to move 
multiple nodes
+                * @param  {mixed} par the new parent
+                * @param  {mixed} pos the position to insert at (besides 
integer values, "first" and "last" are supported, as well as "before" and 
"after"), defaults to integer `0`
+                * @param  {function} callback a function to call once the move 
is completed, receives 3 arguments - the node, the new parent and the position
+                * @param  {Boolean} internal parameter indicating if the 
parent node has been loaded
+                * @param  {Boolean} internal parameter indicating if the tree 
should be redrawn
+                * @trigger move_node.jstree
+                */
+               move_node : function (obj, par, pos, callback, is_loaded, 
skip_redraw) {
+                       var t1, t2, old_par, old_pos, new_par, old_ins, 
is_multi, dpc, tmp, i, j, k, l, p;
+
+                       par = this.get_node(par);
+                       pos = pos === undefined ? 0 : pos;
+                       if(!par) { return false; }
+                       if(!pos.toString().match(/^(before|after)$/) && 
!is_loaded && !this.is_loaded(par)) {
+                               return this.load_node(par, function () { 
this.move_node(obj, par, pos, callback, true); });
+                       }
+
+                       if($.isArray(obj)) {
+                               obj = obj.slice();
+                               for(t1 = 0, t2 = obj.length; t1 < t2; t1++) {
+                                       if(this.move_node(obj[t1], par, pos, 
callback, is_loaded, true)) {
+                                               par = obj[t1];
+                                               pos = "after";
+                                       }
+                               }
+                               this.redraw();
+                               return true;
+                       }
+                       obj = obj && obj.id ? obj : this.get_node(obj);
+
+                       if(!obj || obj.id === '#') { return false; }
+
+                       old_par = (obj.parent || '#').toString();
+                       new_par = (!pos.toString().match(/^(before|after)$/) || 
par.id === '#') ? par : this.get_node(par.parent);
+                       old_ins = obj.instance ? obj.instance : 
(this._model.data[obj.id] ? this : $.jstree.reference(obj.id));
+                       is_multi = !old_ins || !old_ins._id || (this._id !== 
old_ins._id);
+                       old_pos = old_ins && old_ins._id && old_par && 
old_ins._model.data[old_par] && old_ins._model.data[old_par].children ? 
$.inArray(obj.id, old_ins._model.data[old_par].children) : -1;
+                       if(is_multi) {
+                               if(this.copy_node(obj, par, pos, callback, 
is_loaded)) {
+                                       if(old_ins) { old_ins.delete_node(obj); 
}
+                                       return true;
+                               }
+                               return false;
+                       }
+                       //var m = this._model.data;
+                       if(par.id === '#') {
+                               if(pos === "before") { pos = "first"; }
+                               if(pos === "after") { pos = "last"; }
+                       }
+                       switch(pos) {
+                               case "before":
+                                       pos = $.inArray(par.id, 
new_par.children);
+                                       break;
+                               case "after" :
+                                       pos = $.inArray(par.id, 
new_par.children) + 1;
+                                       break;
+                               case "inside":
+                               case "first":
+                                       pos = 0;
+                                       break;
+                               case "last":
+                                       pos = new_par.children.length;
+                                       break;
+                               default:
+                                       if(!pos) { pos = 0; }
+                                       break;
+                       }
+                       if(pos > new_par.children.length) { pos = 
new_par.children.length; }
+                       if(!this.check("move_node", obj, new_par, pos, { 'core' 
: true, 'is_multi' : (old_ins && old_ins._id && old_ins._id !== this._id), 
'is_foreign' : (!old_ins || !old_ins._id) })) {
+                               this.settings.core.error.call(this, 
this._data.core.last_error);
+                               return false;
+                       }
+                       if(obj.parent === new_par.id) {
+                               dpc = new_par.children.concat();
+                               tmp = $.inArray(obj.id, dpc);
+                               if(tmp !== -1) {
+                                       dpc = $.vakata.array_remove(dpc, tmp);
+                                       if(pos > tmp) { pos--; }
+                               }
+                               tmp = [];
+                               for(i = 0, j = dpc.length; i < j; i++) {
+                                       tmp[i >= pos ? i+1 : i] = dpc[i];
+                               }
+                               tmp[pos] = obj.id;
+                               new_par.children = tmp;
+                               this._node_changed(new_par.id);
+                               this.redraw(new_par.id === '#');
+                       }
+                       else {
+                               // clean old parent and up
+                               tmp = obj.children_d.concat();
+                               tmp.push(obj.id);
+                               for(i = 0, j = obj.parents.length; i < j; i++) {
+                                       dpc = [];
+                                       p = 
old_ins._model.data[obj.parents[i]].children_d;
+                                       for(k = 0, l = p.length; k < l; k++) {
+                                               if($.inArray(p[k], tmp) === -1) 
{
+                                                       dpc.push(p[k]);
+                                               }
+                                       }
+                                       
old_ins._model.data[obj.parents[i]].children_d = dpc;
+                               }
+                               old_ins._model.data[old_par].children = 
$.vakata.array_remove_item(old_ins._model.data[old_par].children, obj.id);
+
+                               // insert into new parent and up
+                               for(i = 0, j = new_par.parents.length; i < j; 
i++) {
+                                       
this._model.data[new_par.parents[i]].children_d = 
this._model.data[new_par.parents[i]].children_d.concat(tmp);
+                               }
+                               dpc = [];
+                               for(i = 0, j = new_par.children.length; i < j; 
i++) {
+                                       dpc[i >= pos ? i+1 : i] = 
new_par.children[i];
+                               }
+                               dpc[pos] = obj.id;
+                               new_par.children = dpc;
+                               new_par.children_d.push(obj.id);
+                               new_par.children_d = 
new_par.children_d.concat(obj.children_d);
+
+                               // update object
+                               obj.parent = new_par.id;
+                               tmp = new_par.parents.concat();
+                               tmp.unshift(new_par.id);
+                               p = obj.parents.length;
+                               obj.parents = tmp;
+
+                               // update object children
+                               tmp = tmp.concat();
+                               for(i = 0, j = obj.children_d.length; i < j; 
i++) {
+                                       
this._model.data[obj.children_d[i]].parents = 
this._model.data[obj.children_d[i]].parents.slice(0,p*-1);
+                                       
Array.prototype.push.apply(this._model.data[obj.children_d[i]].parents, tmp);
+                               }
+
+                               if(old_par === '#' || new_par.id === '#') {
+                                       this._model.force_full_redraw = true;
+                               }
+                               if(!this._model.force_full_redraw) {
+                                       this._node_changed(old_par);
+                                       this._node_changed(new_par.id);
+                               }
+                               if(!skip_redraw) {
+                                       this.redraw();
+                               }
+                       }
+                       if(callback) { callback.call(this, obj, new_par, pos); }
+                       /**
+                        * triggered when a node is moved
+                        * @event
+                        * @name move_node.jstree
+                        * @param {Object} node
+                        * @param {String} parent the parent's ID
+                        * @param {Number} position the position of the node 
among the parent's children
+                        * @param {String} old_parent the old parent of the node
+                        * @param {Number} old_position the old position of the 
node
+                        * @param {Boolean} is_multi do the node and new parent 
belong to different instances
+                        * @param {jsTree} old_instance the instance the node 
came from
+                        * @param {jsTree} new_instance the instance of the new 
parent
+                        */
+                       this.trigger('move_node', { "node" : obj, "parent" : 
new_par.id, "position" : pos, "old_parent" : old_par, "old_position" : old_pos, 
'is_multi' : (old_ins && old_ins._id && old_ins._id !== this._id), 'is_foreign' 
: (!old_ins || !old_ins._id), 'old_instance' : old_ins, 'new_instance' : this 
});
+                       return true;
+               },
+               /**
+                * copy a node to a new parent
+                * @name copy_node(obj, par [, pos, callback, is_loaded])
+                * @param  {mixed} obj the node to copy, pass an array to copy 
multiple nodes
+                * @param  {mixed} par the new parent
+                * @param  {mixed} pos the position to insert at (besides 
integer values, "first" and "last" are supported, as well as "before" and 
"after"), defaults to integer `0`
+                * @param  {function} callback a function to call once the move 
is completed, receives 3 arguments - the node, the new parent and the position
+                * @param  {Boolean} internal parameter indicating if the 
parent node has been loaded
+                * @param  {Boolean} internal parameter indicating if the tree 
should be redrawn
+                * @trigger model.jstree copy_node.jstree
+                */
+               copy_node : function (obj, par, pos, callback, is_loaded, 
skip_redraw) {
+                       var t1, t2, dpc, tmp, i, j, node, old_par, new_par, 
old_ins, is_multi;
+
+                       par = this.get_node(par);
+                       pos = pos === undefined ? 0 : pos;
+                       if(!par) { return false; }
+                       if(!pos.toString().match(/^(before|after)$/) && 
!is_loaded && !this.is_loaded(par)) {
+                               return this.load_node(par, function () { 
this.copy_node(obj, par, pos, callback, true); });
+                       }
+
+                       if($.isArray(obj)) {
+                               obj = obj.slice();
+                               for(t1 = 0, t2 = obj.length; t1 < t2; t1++) {
+                                       tmp = this.copy_node(obj[t1], par, pos, 
callback, is_loaded, true);
+                                       if(tmp) {
+                                               par = tmp;
+                                               pos = "after";
+                                       }
+                               }
+                               this.redraw();
+                               return true;
+                       }
+                       obj = obj && obj.id ? obj : this.get_node(obj);
+                       if(!obj || obj.id === '#') { return false; }
+
+                       old_par = (obj.parent || '#').toString();
+                       new_par = (!pos.toString().match(/^(before|after)$/) || 
par.id === '#') ? par : this.get_node(par.parent);
+                       old_ins = obj.instance ? obj.instance : 
(this._model.data[obj.id] ? this : $.jstree.reference(obj.id));
+                       is_multi = !old_ins || !old_ins._id || (this._id !== 
old_ins._id);
+                       if(par.id === '#') {
+                               if(pos === "before") { pos = "first"; }
+                               if(pos === "after") { pos = "last"; }
+                       }
+                       switch(pos) {
+                               case "before":
+                                       pos = $.inArray(par.id, 
new_par.children);
+                                       break;
+                               case "after" :
+                                       pos = $.inArray(par.id, 
new_par.children) + 1;
+                                       break;
+                               case "inside":
+                               case "first":
+                                       pos = 0;
+                                       break;
+                               case "last":
+                                       pos = new_par.children.length;
+                                       break;
+                               default:
+                                       if(!pos) { pos = 0; }
+                                       break;
+                       }
+                       if(pos > new_par.children.length) { pos = 
new_par.children.length; }
+                       if(!this.check("copy_node", obj, new_par, pos, { 'core' 
: true, 'is_multi' : (old_ins && old_ins._id && old_ins._id !== this._id), 
'is_foreign' : (!old_ins || !old_ins._id) })) {
+                               this.settings.core.error.call(this, 
this._data.core.last_error);
+                               return false;
+                       }
+                       node = old_ins ? old_ins.get_json(obj, { no_id : true, 
no_data : true, no_state : true }) : obj;
+                       if(!node) { return false; }
+                       if(node.id === true) { delete node.id; }
+                       node = this._parse_model_from_json(node, new_par.id, 
new_par.parents.concat());
+                       if(!node) { return false; }
+                       tmp = this.get_node(node);
+                       if(obj && obj.state && obj.state.loaded === false) { 
tmp.state.loaded = false; }
+                       dpc = [];
+                       dpc.push(node);
+                       dpc = dpc.concat(tmp.children_d);
+                       this.trigger('model', { "nodes" : dpc, "parent" : 
new_par.id });
+
+                       // insert into new parent and up
+                       for(i = 0, j = new_par.parents.length; i < j; i++) {
+                               this._model.data[new_par.parents[i]].children_d 
= this._model.data[new_par.parents[i]].children_d.concat(dpc);
+                       }
+                       dpc = [];
+                       for(i = 0, j = new_par.children.length; i < j; i++) {
+                               dpc[i >= pos ? i+1 : i] = new_par.children[i];
+                       }
+                       dpc[pos] = tmp.id;
+                       new_par.children = dpc;
+                       new_par.children_d.push(tmp.id);
+                       new_par.children_d = 
new_par.children_d.concat(tmp.children_d);
+
+                       if(new_par.id === '#') {
+                               this._model.force_full_redraw = true;
+                       }
+                       if(!this._model.force_full_redraw) {
+                               this._node_changed(new_par.id);
+                       }
+                       if(!skip_redraw) {
+                               this.redraw(new_par.id === '#');
+                       }
+                       if(callback) { callback.call(this, tmp, new_par, pos); }
+                       /**
+                        * triggered when a node is copied
+                        * @event
+                        * @name copy_node.jstree
+                        * @param {Object} node the copied node
+                        * @param {Object} original the original node
+                        * @param {String} parent the parent's ID
+                        * @param {Number} position the position of the node 
among the parent's children
+                        * @param {String} old_parent the old parent of the node
+                        * @param {Number} old_position the position of the 
original node
+                        * @param {Boolean} is_multi do the node and new parent 
belong to different instances
+                        * @param {jsTree} old_instance the instance the node 
came from
+                        * @param {jsTree} new_instance the instance of the new 
parent
+                        */
+                       this.trigger('copy_node', { "node" : tmp, "original" : 
obj, "parent" : new_par.id, "position" : pos, "old_parent" : old_par, 
"old_position" : old_ins && old_ins._id && old_par && 
old_ins._model.data[old_par] && old_ins._model.data[old_par].children ? 
$.inArray(obj.id, old_ins._model.data[old_par].children) : -1,'is_multi' : 
(old_ins && old_ins._id && old_ins._id !== this._id), 'is_foreign' : (!old_ins 
|| !old_ins._id), 'old_instance' : old_ins, 'new_instance' : this });
+                       return tmp.id;
+               },
+               /**
+                * cut a node (a later call to `paste(obj)` would move the node)
+                * @name cut(obj)
+                * @param  {mixed} obj multiple objects can be passed using an 
array
+                * @trigger cut.jstree
+                */
+               cut : function (obj) {
+                       if(!obj) { obj = this._data.core.selected.concat(); }
+                       if(!$.isArray(obj)) { obj = [obj]; }
+                       if(!obj.length) { return false; }
+                       var tmp = [], o, t1, t2;
+                       for(t1 = 0, t2 = obj.length; t1 < t2; t1++) {
+                               o = this.get_node(obj[t1]);
+                               if(o && o.id && o.id !== '#') { tmp.push(o); }
+                       }
+                       if(!tmp.length) { return false; }
+                       ccp_node = tmp;
+                       ccp_inst = this;
+                       ccp_mode = 'move_node';
+                       /**
+                        * triggered when nodes are added to the buffer for 
moving
+                        * @event
+                        * @name cut.jstree
+                        * @param {Array} node
+                        */
+                       this.trigger('cut', { "node" : obj });
+               },
+               /**
+                * copy a node (a later call to `paste(obj)` would copy the 
node)
+                * @name copy(obj)
+                * @param  {mixed} obj multiple objects can be passed using an 
array
+                * @trigger copy.jstre
+                */
+               copy : function (obj) {
+                       if(!obj) { obj = this._data.core.selected.concat(); }
+                       if(!$.isArray(obj)) { obj = [obj]; }
+                       if(!obj.length) { return false; }
+                       var tmp = [], o, t1, t2;
+                       for(t1 = 0, t2 = obj.length; t1 < t2; t1++) {
+                               o = this.get_node(obj[t1]);
+                               if(o && o.id && o.id !== '#') { tmp.push(o); }
+                       }
+                       if(!tmp.length) { return false; }
+                       ccp_node = tmp;
+                       ccp_inst = this;
+                       ccp_mode = 'copy_node';
+                       /**
+                        * triggered when nodes are added to the buffer for 
copying
+                        * @event
+                        * @name copy.jstree
+                        * @param {Array} node
+                        */
+                       this.trigger('copy', { "node" : obj });
+               },
+               /**
+                * get the current buffer (any nodes that are waiting for a 
paste operation)
+                * @name get_buffer()
+                * @return {Object} an object consisting of `mode` ("copy_node" 
or "move_node"), `node` (an array of objects) and `inst` (the instance)
+                */
+               get_buffer : function () {
+                       return { 'mode' : ccp_mode, 'node' : ccp_node, 'inst' : 
ccp_inst };
+               },
+               /**
+                * check if there is something in the buffer to paste
+                * @name can_paste()
+                * @return {Boolean}
+                */
+               can_paste : function () {
+                       return ccp_mode !== false && ccp_node !== false; // && 
ccp_inst._model.data[ccp_node];
+               },
+               /**
+                * copy or move the previously cut or copied nodes to a new 
parent
+                * @name paste(obj [, pos])
+                * @param  {mixed} obj the new parent
+                * @param  {mixed} pos the position to insert at (besides 
integer, "first" and "last" are supported), defaults to integer `0`
+                * @trigger paste.jstree
+                */
+               paste : function (obj, pos) {
+                       obj = this.get_node(obj);
+                       if(!obj || !ccp_mode || 
!ccp_mode.match(/^(copy_node|move_node)$/) || !ccp_node) { return false; }
+                       if(this[ccp_mode](ccp_node, obj, pos)) {
+                               /**
+                                * triggered when paste is invoked
+                                * @event
+                                * @name paste.jstree
+                                * @param {String} parent the ID of the 
receiving node
+                                * @param {Array} node the nodes in the buffer
+                                * @param {String} mode the performed operation 
- "copy_node" or "move_node"
+                                */
+                               this.trigger('paste', { "parent" : obj.id, 
"node" : ccp_node, "mode" : ccp_mode });
+                       }
+                       ccp_node = false;
+                       ccp_mode = false;
+                       ccp_inst = false;
+               },
+               /**
+                * clear the buffer of previously copied or cut nodes
+                * @name clear_buffer()
+                * @trigger clear_buffer.jstree
+                */
+               clear_buffer : function () {
+                       ccp_node = false;
+                       ccp_mode = false;
+                       ccp_inst = false;
+                       /**
+                        * triggered when the copy / cut buffer is cleared
+                        * @event
+                        * @name clear_buffer.jstree
+                        */
+                       this.trigger('clear_buffer');
+               },
+               /**
+                * put a node in edit mode (input field to rename the node)
+                * @name edit(obj [, default_text])
+                * @param  {mixed} obj
+                * @param  {String} default_text the text to populate the input 
with (if omitted the node text value is used)
+                */
+               edit : function (obj, default_text) {
+                       obj = this.get_node(obj);
+                       if(!obj) { return false; }
+                       if(this.settings.core.check_callback === false) {
+                               this._data.core.last_error = { 'error' : 
'check', 'plugin' : 'core', 'id' : 'core_07', 'reason' : 'Could not edit node 
because of check_callback' };
+                               this.settings.core.error.call(this, 
this._data.core.last_error);
+                               return false;
+                       }
+                       default_text = typeof default_text === 'string' ? 
default_text : obj.text;
+                       this.set_text(obj, "");
+                       obj = this._open_to(obj);
+
+                       var rtl = this._data.core.rtl,
+                               w  = this.element.width(),
+                               a  = obj.children('.jstree-anchor'),
+                               s  = $('<span>'),
+                               /*!
+                               oi = obj.children("i:visible"),
+                               ai = a.children("i:visible"),
+                               w1 = oi.width() * oi.length,
+                               w2 = ai.width() * ai.length,
+                               */
+                               t  = default_text,
+                               h1 = $("<"+"div />", { css : { "position" : 
"absolute", "top" : "-200px", "left" : (rtl ? "0px" : "-1000px"), "visibility" 
: "hidden" } }).appendTo("body"),
+                               h2 = $("<"+"input />", {
+                                               "value" : t,
+                                               "class" : "jstree-rename-input",
+                                               // "size" : t.length,
+                                               "css" : {
+                                                       "padding" : "0",
+                                                       "border" : "1px solid 
silver",
+                                                       "box-sizing" : 
"border-box",
+                                                       "display" : 
"inline-block",
+                                                       "height" : 
(this._data.core.li_height) + "px",
+                                                       "lineHeight" : 
(this._data.core.li_height) + "px",
+                                                       "width" : "150px" // 
will be set a bit further down
+                                               },
+                                               "blur" : $.proxy(function () {
+                                                       var i = 
s.children(".jstree-rename-input"),
+                                                               v = i.val();
+                                                       if(v === "") { v = t; }
+                                                       h1.remove();
+                                                       s.replaceWith(a);
+                                                       s.remove();
+                                                       this.set_text(obj, t);
+                                                       
if(this.rename_node(obj, $('<div></div>').text(v)[this.settings.core.force_text 
? 'text' : 'html']()) === false) {
+                                                               
this.set_text(obj, t); // move this up? and fix #483
+                                                       }
+                                               }, this),
+                                               "keydown" : function (event) {
+                                                       var key = event.which;
+                                                       if(key === 27) {
+                                                               this.value = t;
+                                                       }
+                                                       if(key === 27 || key 
=== 13 || key === 37 || key === 38 || key === 39 || key === 40 || key === 32) {
+                                                               
event.stopImmediatePropagation();
+                                                       }
+                                                       if(key === 27 || key 
=== 13) {
+                                                               
event.preventDefault();
+                                                               this.blur();
+                                                       }
+                                               },
+                                               "click" : function (e) { 
e.stopImmediatePropagation(); },
+                                               "mousedown" : function (e) { 
e.stopImmediatePropagation(); },
+                                               "keyup" : function (event) {
+                                                       
h2.width(Math.min(h1.text("pW" + this.value).width(),w));
+                                               },
+                                               "keypress" : function(event) {
+                                                       if(event.which === 13) 
{ return false; }
+                                               }
+                                       }),
+                               fn = {
+                                               fontFamily              : 
a.css('fontFamily')           || '',
+                                               fontSize                : 
a.css('fontSize')                     || '',
+                                               fontWeight              : 
a.css('fontWeight')           || '',
+                                               fontStyle               : 
a.css('fontStyle')            || '',
+                                               fontStretch             : 
a.css('fontStretch')          || '',
+                                               fontVariant             : 
a.css('fontVariant')          || '',
+                                               letterSpacing   : 
a.css('letterSpacing')        || '',
+                                               wordSpacing             : 
a.css('wordSpacing')          || ''
+                               };
+                       s.attr('class', 
a.attr('class')).append(a.contents().clone()).append(h2);
+                       a.replaceWith(s);
+                       h1.css(fn);
+                       h2.css(fn).width(Math.min(h1.text("pW" + 
h2[0].value).width(),w))[0].select();
+               },
+
+
+               /**
+                * changes the theme
+                * @name set_theme(theme_name [, theme_url])
+                * @param {String} theme_name the name of the new theme to apply
+                * @param {mixed} theme_url  the location of the CSS file for 
this theme. Omit or set to `false` if you manually included the file. Set to 
`true` to autoload from the `core.themes.dir` directory.
+                * @trigger set_theme.jstree
+                */
+               set_theme : function (theme_name, theme_url) {
+                       if(!theme_name) { return false; }
+                       if(theme_url === true) {
+                               var dir = this.settings.core.themes.dir;
+                               if(!dir) { dir = $.jstree.path + '/themes'; }
+                               theme_url = dir + '/' + theme_name + 
'/style.css';
+                       }
+                       if(theme_url && $.inArray(theme_url, themes_loaded) === 
-1) {
+                               $('head').append('<'+'link rel="stylesheet" 
href="' + theme_url + '" type="text/css" />');
+                               themes_loaded.push(theme_url);
+                       }
+                       if(this._data.core.themes.name) {
+                               this.element.removeClass('jstree-' + 
this._data.core.themes.name);
+                       }
+                       this._data.core.themes.name = theme_name;
+                       this.element.addClass('jstree-' + theme_name);
+                       this.element[this.settings.core.themes.responsive ? 
'addClass' : 'removeClass' ]('jstree-' + theme_name + '-responsive');
+                       /**
+                        * triggered when a theme is set
+                        * @event
+                        * @name set_theme.jstree
+                        * @param {String} theme the new theme
+                        */
+                       this.trigger('set_theme', { 'theme' : theme_name });
+               },
+               /**
+                * gets the name of the currently applied theme name
+                * @name get_theme()
+                * @return {String}
+                */
+               get_theme : function () { return this._data.core.themes.name; },
+               /**
+                * changes the theme variant (if the theme has variants)
+                * @name set_theme_variant(variant_name)
+                * @param {String|Boolean} variant_name the variant to apply 
(if `false` is used the current variant is removed)
+                */
+               set_theme_variant : function (variant_name) {
+                       if(this._data.core.themes.variant) {
+                               this.element.removeClass('jstree-' + 
this._data.core.themes.name + '-' + this._data.core.themes.variant);
+                       }
+                       this._data.core.themes.variant = variant_name;
+                       if(variant_name) {
+                               this.element.addClass('jstree-' + 
this._data.core.themes.name + '-' + this._data.core.themes.variant);
+                       }
+               },
+               /**
+                * gets the name of the currently applied theme variant
+                * @name get_theme()
+                * @return {String}
+                */
+               get_theme_variant : function () { return 
this._data.core.themes.variant; },
+               /**
+                * shows a striped background on the container (if the theme 
supports it)
+                * @name show_stripes()
+                */
+               show_stripes : function () { this._data.core.themes.stripes = 
true; this.get_container_ul().addClass("jstree-striped"); },
+               /**

@@ Diff output truncated at 153600 characters. @@



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