8 files changed, 4321 insertions, 0 deletions
diff --git a/portal-common/src/main/webapp/framework/browser/thirdparty/images/collapse_arrow.png b/portal-common/src/main/webapp/framework/browser/thirdparty/images/collapse_arrow.png
new file mode 100644
index 00000000..8830741a
--- /dev/null
+++ b/portal-common/src/main/webapp/framework/browser/thirdparty/images/collapse_arrow.png
diff --git a/portal-common/src/main/webapp/framework/browser/thirdparty/images/expand_arrow.png b/portal-common/src/main/webapp/framework/browser/thirdparty/images/expand_arrow.png
new file mode 100644
index 00000000..f8935e1f
--- /dev/null
+++ b/portal-common/src/main/webapp/framework/browser/thirdparty/images/expand_arrow.png
diff --git a/portal-common/src/main/webapp/framework/browser/thirdparty/images/openo.png b/portal-common/src/main/webapp/framework/browser/thirdparty/images/openo.png
new file mode 100644
index 00000000..328b7353
--- /dev/null
+++ b/portal-common/src/main/webapp/framework/browser/thirdparty/images/openo.png
diff --git a/portal-common/src/main/webapp/framework/browser/thirdparty/images/searchicon.png b/portal-common/src/main/webapp/framework/browser/thirdparty/images/searchicon.png
new file mode 100644
index 00000000..960dea1a
--- /dev/null
+++ b/portal-common/src/main/webapp/framework/browser/thirdparty/images/searchicon.png
diff --git a/portal-common/src/main/webapp/framework/browser/thirdparty/jquery.ztree.core-3.5.js b/portal-common/src/main/webapp/framework/browser/thirdparty/jquery.ztree.core-3.5.js
new file mode 100644
index 00000000..0e7b338e
--- /dev/null
+++ b/portal-common/src/main/webapp/framework/browser/thirdparty/jquery.ztree.core-3.5.js
@@ -0,0 +1,70 @@
+/*
+ * JQuery zTree core v3.5.18
+ * http://zTree.me/
+ *
+ * Copyright (c) 2010 Hunter.z
+ *
+ * Licensed same as jquery - MIT License
+ * http://www.opensource.org/licenses/mit-license.php
+ *
+ * email: hunter.z@263.net
+ * Date: 2015-06-18
+ */
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diff --git a/portal-common/src/main/webapp/framework/browser/thirdparty/jquery_1.12.4.min.js b/portal-common/src/main/webapp/framework/browser/thirdparty/jquery_1.12.4.min.js
new file mode 100644
index 00000000..db07c592
--- /dev/null
+++ b/portal-common/src/main/webapp/framework/browser/thirdparty/jquery_1.12.4.min.js
@@ -0,0 +1,5 @@
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+    padding:"inner"+a,content:b,"":"outer"+a},function(c,d){n.fn[d]=function(d,e){var f=arguments.length&&(c||"boolean"!=typeof d),g=c||(d===!0||e===!0?"margin":"border");return Y(this,function(b,c,d){var e;return n.isWindow(b)?b.document.documentElement["client"+a]:9===b.nodeType?(e=b.documentElement,Math.max(b.body["scroll"+a],e["scroll"+a],b.body["offset"+a],e["offset"+a],e["client"+a])):void 0===d?n.css(b,c,g):n.style(b,c,d,g)},b,f?d:void 0,f,null)}})}),n.fn.extend({bind:function(a,b,c){return this.on(a,null,b,c)},unbind:function(a,b){return this.off(a,null,b)},delegate:function(a,b,c,d){return this.on(b,a,c,d)},undelegate:function(a,b,c){return 1===arguments.length?this.off(a,"**"):this.off(b,a||"**",c)}}),n.fn.size=function(){return this.length},n.fn.andSelf=n.fn.addBack,"function"==typeof define&&define.amd&&define("jquery",[],function(){return n});var nc=a.jQuery,oc=a.$;return n.noConflict=function(b){return a.$===n&&(a.$=oc),b&&a.jQuery===n&&(a.jQuery=nc),n},b||(a.jQuery=a.$=n),n});
+\ No newline at end of file
diff --git a/portal-common/src/main/webapp/framework/browser/thirdparty/mustache.js b/portal-common/src/main/webapp/framework/browser/thirdparty/mustache.js
new file mode 100644
index 00000000..a8560c0a
--- /dev/null
+++ b/portal-common/src/main/webapp/framework/browser/thirdparty/mustache.js
@@ -0,0 +1,630 @@
+/*!
+ * mustache.js - Logic-less {{mustache}} templates with JavaScript
+ * http://github.com/janl/mustache.js
+ */
+
+/*global define: false Mustache: true*/
+
+(function defineMustache (global, factory) {
+    if (typeof exports === 'object' && exports && typeof exports.nodeName !== 'string') {
+        factory(exports); // CommonJS
+    } else if (typeof define === 'function' && define.amd) {
+        define(['exports'], factory); // AMD
+    } else {
+        global.Mustache = {};
+        factory(global.Mustache); // script, wsh, asp
+    }
+}(this, function mustacheFactory (mustache) {
+
+    var objectToString = Object.prototype.toString;
+    var isArray = Array.isArray || function isArrayPolyfill (object) {
+            return objectToString.call(object) === '[object Array]';
+        };
+
+    function isFunction (object) {
+        return typeof object === 'function';
+    }
+
+    /**
+     * More correct typeof string handling array
+     * which normally returns typeof 'object'
+     */
+    function typeStr (obj) {
+        return isArray(obj) ? 'array' : typeof obj;
+    }
+
+    function escapeRegExp (string) {
+        return string.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, '\\$&');
+    }
+
+    /**
+     * Null safe way of checking whether or not an object,
+     * including its prototype, has a given property
+     */
+    function hasProperty (obj, propName) {
+        return obj != null && typeof obj === 'object' && (propName in obj);
+    }
+
+    // Workaround for https://issues.apache.org/jira/browse/COUCHDB-577
+    // See https://github.com/janl/mustache.js/issues/189
+    var regExpTest = RegExp.prototype.test;
+    function testRegExp (re, string) {
+        return regExpTest.call(re, string);
+    }
+
+    var nonSpaceRe = /\S/;
+    function isWhitespace (string) {
+        return !testRegExp(nonSpaceRe, string);
+    }
+
+    var entityMap = {
+        '&': '&amp;',
+        '<': '&lt;',
+        '>': '&gt;',
+        '"': '&quot;',
+        "'": '&#39;',
+        '/': '&#x2F;',
+        '`': '&#x60;',
+        '=': '&#x3D;'
+    };
+
+    function escapeHtml (string) {
+        return String(string).replace(/[&<>"'`=\/]/g, function fromEntityMap (s) {
+            return entityMap[s];
+        });
+    }
+
+    var whiteRe = /\s*/;
+    var spaceRe = /\s+/;
+    var equalsRe = /\s*=/;
+    var curlyRe = /\s*\}/;
+    var tagRe = /#|\^|\/|>|\{|&|=|!/;
+
+    /**
+     * Breaks up the given `template` string into a tree of tokens. If the `tags`
+     * argument is given here it must be an array with two string values: the
+     * opening and closing tags used in the template (e.g. [ "<%", "%>" ]). Of
+     * course, the default is to use mustaches (i.e. mustache.tags).
+     *
+     * A token is an array with at least 4 elements. The first element is the
+     * mustache symbol that was used inside the tag, e.g. "#" or "&". If the tag
+     * did not contain a symbol (i.e. {{myValue}}) this element is "name". For
+     * all text that appears outside a symbol this element is "text".
+     *
+     * The second element of a token is its "value". For mustache tags this is
+     * whatever else was inside the tag besides the opening symbol. For text tokens
+     * this is the text itself.
+     *
+     * The third and fourth elements of the token are the start and end indices,
+     * respectively, of the token in the original template.
+     *
+     * Tokens that are the root node of a subtree contain two more elements: 1) an
+     * array of tokens in the subtree and 2) the index in the original template at
+     * which the closing tag for that section begins.
+     */
+    function parseTemplate (template, tags) {
+        if (!template)
+            return [];
+
+        var sections = [];     // Stack to hold section tokens
+        var tokens = [];       // Buffer to hold the tokens
+        var spaces = [];       // Indices of whitespace tokens on the current line
+        var hasTag = false;    // Is there a {{tag}} on the current line?
+        var nonSpace = false;  // Is there a non-space char on the current line?
+
+        // Strips all whitespace tokens array for the current line
+        // if there was a {{#tag}} on it and otherwise only space.
+        function stripSpace () {
+            if (hasTag && !nonSpace) {
+                while (spaces.length)
+                    delete tokens[spaces.pop()];
+            } else {
+                spaces = [];
+            }
+
+            hasTag = false;
+            nonSpace = false;
+        }
+
+        var openingTagRe, closingTagRe, closingCurlyRe;
+        function compileTags (tagsToCompile) {
+            if (typeof tagsToCompile === 'string')
+                tagsToCompile = tagsToCompile.split(spaceRe, 2);
+
+            if (!isArray(tagsToCompile) || tagsToCompile.length !== 2)
+                throw new Error('Invalid tags: ' + tagsToCompile);
+
+            openingTagRe = new RegExp(escapeRegExp(tagsToCompile[0]) + '\\s*');
+            closingTagRe = new RegExp('\\s*' + escapeRegExp(tagsToCompile[1]));
+            closingCurlyRe = new RegExp('\\s*' + escapeRegExp('}' + tagsToCompile[1]));
+        }
+
+        compileTags(tags || mustache.tags);
+
+        var scanner = new Scanner(template);
+
+        var start, type, value, chr, token, openSection;
+        while (!scanner.eos()) {
+            start = scanner.pos;
+
+            // Match any text between tags.
+            value = scanner.scanUntil(openingTagRe);
+
+            if (value) {
+                for (var i = 0, valueLength = value.length; i < valueLength; ++i) {
+                    chr = value.charAt(i);
+
+                    if (isWhitespace(chr)) {
+                        spaces.push(tokens.length);
+                    } else {
+                        nonSpace = true;
+                    }
+
+                    tokens.push([ 'text', chr, start, start + 1 ]);
+                    start += 1;
+
+                    // Check for whitespace on the current line.
+                    if (chr === '\n')
+                        stripSpace();
+                }
+            }
+
+            // Match the opening tag.
+            if (!scanner.scan(openingTagRe))
+                break;
+
+            hasTag = true;
+
+            // Get the tag type.
+            type = scanner.scan(tagRe) || 'name';
+            scanner.scan(whiteRe);
+
+            // Get the tag value.
+            if (type === '=') {
+                value = scanner.scanUntil(equalsRe);
+                scanner.scan(equalsRe);
+                scanner.scanUntil(closingTagRe);
+            } else if (type === '{') {
+                value = scanner.scanUntil(closingCurlyRe);
+                scanner.scan(curlyRe);
+                scanner.scanUntil(closingTagRe);
+                type = '&';
+            } else {
+                value = scanner.scanUntil(closingTagRe);
+            }
+
+            // Match the closing tag.
+            if (!scanner.scan(closingTagRe))
+                throw new Error('Unclosed tag at ' + scanner.pos);
+
+            token = [ type, value, start, scanner.pos ];
+            tokens.push(token);
+
+            if (type === '#' || type === '^') {
+                sections.push(token);
+            } else if (type === '/') {
+                // Check section nesting.
+                openSection = sections.pop();
+
+                if (!openSection)
+                    throw new Error('Unopened section "' + value + '" at ' + start);
+
+                if (openSection[1] !== value)
+                    throw new Error('Unclosed section "' + openSection[1] + '" at ' + start);
+            } else if (type === 'name' || type === '{' || type === '&') {
+                nonSpace = true;
+            } else if (type === '=') {
+                // Set the tags for the next time around.
+                compileTags(value);
+            }
+        }
+
+        // Make sure there are no open sections when we're done.
+        openSection = sections.pop();
+
+        if (openSection)
+            throw new Error('Unclosed section "' + openSection[1] + '" at ' + scanner.pos);
+
+        return nestTokens(squashTokens(tokens));
+    }
+
+    /**
+     * Combines the values of consecutive text tokens in the given `tokens` array
+     * to a single token.
+     */
+    function squashTokens (tokens) {
+        var squashedTokens = [];
+
+        var token, lastToken;
+        for (var i = 0, numTokens = tokens.length; i < numTokens; ++i) {
+            token = tokens[i];
+
+            if (token) {
+                if (token[0] === 'text' && lastToken && lastToken[0] === 'text') {
+                    lastToken[1] += token[1];
+                    lastToken[3] = token[3];
+                } else {
+                    squashedTokens.push(token);
+                    lastToken = token;
+                }
+            }
+        }
+
+        return squashedTokens;
+    }
+
+    /**
+     * Forms the given array of `tokens` into a nested tree structure where
+     * tokens that represent a section have two additional items: 1) an array of
+     * all tokens that appear in that section and 2) the index in the original
+     * template that represents the end of that section.
+     */
+    function nestTokens (tokens) {
+        var nestedTokens = [];
+        var collector = nestedTokens;
+        var sections = [];
+
+        var token, section;
+        for (var i = 0, numTokens = tokens.length; i < numTokens; ++i) {
+            token = tokens[i];
+
+            switch (token[0]) {
+                case '#':
+                case '^':
+                    collector.push(token);
+                    sections.push(token);
+                    collector = token[4] = [];
+                    break;
+                case '/':
+                    section = sections.pop();
+                    section[5] = token[2];
+                    collector = sections.length > 0 ? sections[sections.length - 1][4] : nestedTokens;
+                    break;
+                default:
+                    collector.push(token);
+            }
+        }
+
+        return nestedTokens;
+    }
+
+    /**
+     * A simple string scanner that is used by the template parser to find
+     * tokens in template strings.
+     */
+    function Scanner (string) {
+        this.string = string;
+        this.tail = string;
+        this.pos = 0;
+    }
+
+    /**
+     * Returns `true` if the tail is empty (end of string).
+     */
+    Scanner.prototype.eos = function eos () {
+        return this.tail === '';
+    };
+
+    /**
+     * Tries to match the given regular expression at the current position.
+     * Returns the matched text if it can match, the empty string otherwise.
+     */
+    Scanner.prototype.scan = function scan (re) {
+        var match = this.tail.match(re);
+
+        if (!match || match.index !== 0)
+            return '';
+
+        var string = match[0];
+
+        this.tail = this.tail.substring(string.length);
+        this.pos += string.length;
+
+        return string;
+    };
+
+    /**
+     * Skips all text until the given regular expression can be matched. Returns
+     * the skipped string, which is the entire tail if no match can be made.
+     */
+    Scanner.prototype.scanUntil = function scanUntil (re) {
+        var index = this.tail.search(re), match;
+
+        switch (index) {
+            case -1:
+                match = this.tail;
+                this.tail = '';
+                break;
+            case 0:
+                match = '';
+                break;
+            default:
+                match = this.tail.substring(0, index);
+                this.tail = this.tail.substring(index);
+        }
+
+        this.pos += match.length;
+
+        return match;
+    };
+
+    /**
+     * Represents a rendering context by wrapping a view object and
+     * maintaining a reference to the parent context.
+     */
+    function Context (view, parentContext) {
+        this.view = view;
+        this.cache = { '.': this.view };
+        this.parent = parentContext;
+    }
+
+    /**
+     * Creates a new context using the given view with this context
+     * as the parent.
+     */
+    Context.prototype.push = function push (view) {
+        return new Context(view, this);
+    };
+
+    /**
+     * Returns the value of the given name in this context, traversing
+     * up the context hierarchy if the value is absent in this context's view.
+     */
+    Context.prototype.lookup = function lookup (name) {
+        var cache = this.cache;
+
+        var value;
+        if (cache.hasOwnProperty(name)) {
+            value = cache[name];
+        } else {
+            var context = this, names, index, lookupHit = false;
+
+            while (context) {
+                if (name.indexOf('.') > 0) {
+                    value = context.view;
+                    names = name.split('.');
+                    index = 0;
+
+                    /**
+                     * Using the dot notion path in `name`, we descend through the
+                     * nested objects.
+                     *
+                     * To be certain that the lookup has been successful, we have to
+                     * check if the last object in the path actually has the property
+                     * we are looking for. We store the result in `lookupHit`.
+                     *
+                     * This is specially necessary for when the value has been set to
+                     * `undefined` and we want to avoid looking up parent contexts.
+                     **/
+                    while (value != null && index < names.length) {
+                        if (index === names.length - 1)
+                            lookupHit = hasProperty(value, names[index]);
+
+                        value = value[names[index++]];
+                    }
+                } else {
+                    value = context.view[name];
+                    lookupHit = hasProperty(context.view, name);
+                }
+
+                if (lookupHit)
+                    break;
+
+                context = context.parent;
+            }
+
+            cache[name] = value;
+        }
+
+        if (isFunction(value))
+            value = value.call(this.view);
+
+        return value;
+    };
+
+    /**
+     * A Writer knows how to take a stream of tokens and render them to a
+     * string, given a context. It also maintains a cache of templates to
+     * avoid the need to parse the same template twice.
+     */
+    function Writer () {
+        this.cache = {};
+    }
+
+    /**
+     * Clears all cached templates in this writer.
+     */
+    Writer.prototype.clearCache = function clearCache () {
+        this.cache = {};
+    };
+
+    /**
+     * Parses and caches the given `template` and returns the array of tokens
+     * that is generated from the parse.
+     */
+    Writer.prototype.parse = function parse (template, tags) {
+        var cache = this.cache;
+        var tokens = cache[template];
+
+        if (tokens == null)
+            tokens = cache[template] = parseTemplate(template, tags);
+
+        return tokens;
+    };
+
+    /**
+     * High-level method that is used to render the given `template` with
+     * the given `view`.
+     *
+     * The optional `partials` argument may be an object that contains the
+     * names and templates of partials that are used in the template. It may
+     * also be a function that is used to load partial templates on the fly
+     * that takes a single argument: the name of the partial.
+     */
+    Writer.prototype.render = function render (template, view, partials) {
+        var tokens = this.parse(template);
+        var context = (view instanceof Context) ? view : new Context(view);
+        return this.renderTokens(tokens, context, partials, template);
+    };
+
+    /**
+     * Low-level method that renders the given array of `tokens` using
+     * the given `context` and `partials`.
+     *
+     * Note: The `originalTemplate` is only ever used to extract the portion
+     * of the original template that was contained in a higher-order section.
+     * If the template doesn't use higher-order sections, this argument may
+     * be omitted.
+     */
+    Writer.prototype.renderTokens = function renderTokens (tokens, context, partials, originalTemplate) {
+        var buffer = '';
+
+        var token, symbol, value;
+        for (var i = 0, numTokens = tokens.length; i < numTokens; ++i) {
+            value = undefined;
+            token = tokens[i];
+            symbol = token[0];
+
+            if (symbol === '#') value = this.renderSection(token, context, partials, originalTemplate);
+            else if (symbol === '^') value = this.renderInverted(token, context, partials, originalTemplate);
+            else if (symbol === '>') value = this.renderPartial(token, context, partials, originalTemplate);
+            else if (symbol === '&') value = this.unescapedValue(token, context);
+            else if (symbol === 'name') value = this.escapedValue(token, context);
+            else if (symbol === 'text') value = this.rawValue(token);
+
+            if (value !== undefined)
+                buffer += value;
+        }
+
+        return buffer;
+    };
+
+    Writer.prototype.renderSection = function renderSection (token, context, partials, originalTemplate) {
+        var self = this;
+        var buffer = '';
+        var value = context.lookup(token[1]);
+
+        // This function is used to render an arbitrary template
+        // in the current context by higher-order sections.
+        function subRender (template) {
+            return self.render(template, context, partials);
+        }
+
+        if (!value) return;
+
+        if (isArray(value)) {
+            for (var j = 0, valueLength = value.length; j < valueLength; ++j) {
+                buffer += this.renderTokens(token[4], context.push(value[j]), partials, originalTemplate);
+            }
+        } else if (typeof value === 'object' || typeof value === 'string' || typeof value === 'number') {
+            buffer += this.renderTokens(token[4], context.push(value), partials, originalTemplate);
+        } else if (isFunction(value)) {
+            if (typeof originalTemplate !== 'string')
+                throw new Error('Cannot use higher-order sections without the original template');
+
+            // Extract the portion of the original template that the section contains.
+            value = value.call(context.view, originalTemplate.slice(token[3], token[5]), subRender);
+
+            if (value != null)
+                buffer += value;
+        } else {
+            buffer += this.renderTokens(token[4], context, partials, originalTemplate);
+        }
+        return buffer;
+    };
+
+    Writer.prototype.renderInverted = function renderInverted (token, context, partials, originalTemplate) {
+        var value = context.lookup(token[1]);
+
+        // Use JavaScript's definition of falsy. Include empty arrays.
+        // See https://github.com/janl/mustache.js/issues/186
+        if (!value || (isArray(value) && value.length === 0))
+            return this.renderTokens(token[4], context, partials, originalTemplate);
+    };
+
+    Writer.prototype.renderPartial = function renderPartial (token, context, partials) {
+        if (!partials) return;
+
+        var value = isFunction(partials) ? partials(token[1]) : partials[token[1]];
+        if (value != null)
+            return this.renderTokens(this.parse(value), context, partials, value);
+    };
+
+    Writer.prototype.unescapedValue = function unescapedValue (token, context) {
+        var value = context.lookup(token[1]);
+        if (value != null)
+            return value;
+    };
+
+    Writer.prototype.escapedValue = function escapedValue (token, context) {
+        var value = context.lookup(token[1]);
+        if (value != null)
+            return mustache.escape(value);
+    };
+
+    Writer.prototype.rawValue = function rawValue (token) {
+        return token[1];
+    };
+
+    mustache.name = 'mustache.js';
+    mustache.version = '2.3.0';
+    mustache.tags = [ '{{', '}}' ];
+
+    // All high-level mustache.* functions use this writer.
+    var defaultWriter = new Writer();
+
+    /**
+     * Clears all cached templates in the default writer.
+     */
+    mustache.clearCache = function clearCache () {
+        return defaultWriter.clearCache();
+    };
+
+    /**
+     * Parses and caches the given template in the default writer and returns the
+     * array of tokens it contains. Doing this ahead of time avoids the need to
+     * parse templates on the fly as they are rendered.
+     */
+    mustache.parse = function parse (template, tags) {
+        return defaultWriter.parse(template, tags);
+    };
+
+    /**
+     * Renders the `template` with the given `view` and `partials` using the
+     * default writer.
+     */
+    mustache.render = function render (template, view, partials) {
+        if (typeof template !== 'string') {
+            throw new TypeError('Invalid template! Template should be a "string" ' +
+                'but "' + typeStr(template) + '" was given as the first ' +
+                'argument for mustache#render(template, view, partials)');
+        }
+
+        return defaultWriter.render(template, view, partials);
+    };
+
+    // This is here for backwards compatibility with 0.4.x.,
+    /*eslint-disable */ // eslint wants camel cased function name
+    mustache.to_html = function to_html (template, view, partials, send) {
+        /*eslint-enable*/
+
+        var result = mustache.render(template, view, partials);
+
+        if (isFunction(send)) {
+            send(result);
+        } else {
+            return result;
+        }
+    };
+
+    // Export the escaping function so that the user may override it.
+    // See https://github.com/janl/mustache.js/issues/244
+    mustache.escape = escapeHtml;
+
+    // Export these mainly for testing, but also for advanced usage.
+    mustache.Scanner = Scanner;
+    mustache.Context = Context;
+    mustache.Writer = Writer;
+
+    return mustache;
+}));
+\ No newline at end of file
diff --git a/portal-common/src/main/webapp/framework/browser/thirdparty/tree.jquery.js b/portal-common/src/main/webapp/framework/browser/thirdparty/tree.jquery.js
new file mode 100644
index 00000000..c3a49122
--- /dev/null
+++ b/portal-common/src/main/webapp/framework/browser/thirdparty/tree.jquery.js
@@ -0,0 +1,3616 @@
+/*
+ JqTree 1.3.6
+
+ Copyright 2015 Marco Braak
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+    var $, DragAndDropHandler, DragElement, HitAreasGenerator, Position, VisibleNodeIterator, node_module, util,
+        extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+        hasProp = {}.hasOwnProperty;
+
+    node_module = require('./node');
+
+    util = require('./util');
+
+    Position = node_module.Position;
+
+    $ = jQuery;
+
+    DragAndDropHandler = (function() {
+        function DragAndDropHandler(tree_widget) {
+            this.tree_widget = tree_widget;
+            this.hovered_area = null;
+            this.$ghost = null;
+            this.hit_areas = [];
+            this.is_dragging = false;
+            this.current_item = null;
+        }
+
+        DragAndDropHandler.prototype.mouseCapture = function(position_info) {
+            var $element, node_element;
+            $element = $(position_info.target);
+            if (!this.mustCaptureElement($element)) {
+                return null;
+            }
+            if (this.tree_widget.options.onIsMoveHandle && !this.tree_widget.options.onIsMoveHandle($element)) {
+                return null;
+            }
+            node_element = this.tree_widget._getNodeElement($element);
+            if (node_element && this.tree_widget.options.onCanMove) {
+                if (!this.tree_widget.options.onCanMove(node_element.node)) {
+                    node_element = null;
+                }
+            }
+            this.current_item = node_element;
+            return this.current_item !== null;
+        };
+
+        DragAndDropHandler.prototype.mouseStart = function(position_info) {
+            var node, node_name, offset;
+            this.refresh();
+            offset = $(position_info.target).offset();
+            node = this.current_item.node;
+            if (this.tree_widget.options.autoEscape) {
+                node_name = util.html_escape(node.name);
+            } else {
+                node_name = node.name;
+            }
+            this.drag_element = new DragElement(node_name, position_info.page_x - offset.left, position_info.page_y - offset.top, this.tree_widget.element);
+            this.is_dragging = true;
+            this.current_item.$element.addClass('jqtree-moving');
+            return true;
+        };
+
+        DragAndDropHandler.prototype.mouseDrag = function(position_info) {
+            var area, can_move_to;
+            this.drag_element.move(position_info.page_x, position_info.page_y);
+            area = this.findHoveredArea(position_info.page_x, position_info.page_y);
+            can_move_to = this.canMoveToArea(area);
+            if (can_move_to && area) {
+                if (!area.node.isFolder()) {
+                    this.stopOpenFolderTimer();
+                }
+                if (this.hovered_area !== area) {
+                    this.hovered_area = area;
+                    if (this.mustOpenFolderTimer(area)) {
+                        this.startOpenFolderTimer(area.node);
+                    } else {
+                        this.stopOpenFolderTimer();
+                    }
+                    this.updateDropHint();
+                }
+            } else {
+                this.removeHover();
+                this.removeDropHint();
+                this.stopOpenFolderTimer();
+            }
+            if (!area) {
+                if (this.tree_widget.options.onDragMove != null) {
+                    this.tree_widget.options.onDragMove(this.current_item.node, position_info.original_event);
+                }
+            }
+            return true;
+        };
+
+        DragAndDropHandler.prototype.mustCaptureElement = function($element) {
+            return !$element.is('input,select,textarea');
+        };
+
+        DragAndDropHandler.prototype.canMoveToArea = function(area) {
+            var position_name;
+            if (!area) {
+                return false;
+            } else if (this.tree_widget.options.onCanMoveTo) {
+                position_name = Position.getName(area.position);
+                return this.tree_widget.options.onCanMoveTo(this.current_item.node, area.node, position_name);
+            } else {
+                return true;
+            }
+        };
+
+        DragAndDropHandler.prototype.mouseStop = function(position_info) {
+            var current_item;
+            this.moveItem(position_info);
+            this.clear();
+            this.removeHover();
+            this.removeDropHint();
+            this.removeHitAreas();
+            current_item = this.current_item;
+            if (this.current_item) {
+                this.current_item.$element.removeClass('jqtree-moving');
+                this.current_item = null;
+            }
+            this.is_dragging = false;
+            if (!this.hovered_area && current_item) {
+                if (this.tree_widget.options.onDragStop != null) {
+                    this.tree_widget.options.onDragStop(current_item.node, position_info.original_event);
+                }
+            }
+            return false;
+        };
+
+        DragAndDropHandler.prototype.refresh = function() {
+            this.removeHitAreas();
+            if (this.current_item) {
+                this.generateHitAreas();
+                this.current_item = this.tree_widget._getNodeElementForNode(this.current_item.node);
+                if (this.is_dragging) {
+                    return this.current_item.$element.addClass('jqtree-moving');
+                }
+            }
+        };
+
+        DragAndDropHandler.prototype.removeHitAreas = function() {
+            return this.hit_areas = [];
+        };
+
+        DragAndDropHandler.prototype.clear = function() {
+            this.drag_element.remove();
+            return this.drag_element = null;
+        };
+
+        DragAndDropHandler.prototype.removeDropHint = function() {
+            if (this.previous_ghost) {
+                return this.previous_ghost.remove();
+            }
+        };
+
+        DragAndDropHandler.prototype.removeHover = function() {
+            return this.hovered_area = null;
+        };
+
+        DragAndDropHandler.prototype.generateHitAreas = function() {
+            var hit_areas_generator;
+            hit_areas_generator = new HitAreasGenerator(this.tree_widget.tree, this.current_item.node, this.getTreeDimensions().bottom);
+            return this.hit_areas = hit_areas_generator.generate();
+        };
+
+        DragAndDropHandler.prototype.findHoveredArea = function(x, y) {
+            var area, dimensions, high, low, mid;
+            dimensions = this.getTreeDimensions();
+            if (x < dimensions.left || y < dimensions.top || x > dimensions.right || y > dimensions.bottom) {
+                return null;
+            }
+            low = 0;
+            high = this.hit_areas.length;
+            while (low < high) {
+                mid = (low + high) >> 1;
+                area = this.hit_areas[mid];
+                if (y < area.top) {
+                    high = mid;
+                } else if (y > area.bottom) {
+                    low = mid + 1;
+                } else {
+                    return area;
+                }
+            }
+            return null;
+        };
+
+        DragAndDropHandler.prototype.mustOpenFolderTimer = function(area) {
+            var node;
+            node = area.node;
+            return node.isFolder() && !node.is_open && area.position === Position.INSIDE;
+        };
+
+        DragAndDropHandler.prototype.updateDropHint = function() {
+            var node_element;
+            if (!this.hovered_area) {
+                return;
+            }
+            this.removeDropHint();
+            node_element = this.tree_widget._getNodeElementForNode(this.hovered_area.node);
+            return this.previous_ghost = node_element.addDropHint(this.hovered_area.position);
+        };
+
+        DragAndDropHandler.prototype.startOpenFolderTimer = function(folder) {
+            var openFolder;
+            openFolder = (function(_this) {
+                return function() {
+                    return _this.tree_widget._openNode(folder, _this.tree_widget.options.slide, function() {
+                        _this.refresh();
+                        return _this.updateDropHint();
+                    });
+                };
+            })(this);
+            this.stopOpenFolderTimer();
+            return this.open_folder_timer = setTimeout(openFolder, this.tree_widget.options.openFolderDelay);
+        };
+
+        DragAndDropHandler.prototype.stopOpenFolderTimer = function() {
+            if (this.open_folder_timer) {
+                clearTimeout(this.open_folder_timer);
+                return this.open_folder_timer = null;
+            }
+        };
+
+        DragAndDropHandler.prototype.moveItem = function(position_info) {
+            var doMove, event, moved_node, position, previous_parent, target_node;
+            if (this.hovered_area && this.hovered_area.position !== Position.NONE && this.canMoveToArea(this.hovered_area)) {
+                moved_node = this.current_item.node;
+                target_node = this.hovered_area.node;
+                position = this.hovered_area.position;
+                previous_parent = moved_node.parent;
+                if (position === Position.INSIDE) {
+                    this.hovered_area.node.is_open = true;
+                }
+                doMove = (function(_this) {
+                    return function() {
+                        _this.tree_widget.tree.moveNode(moved_node, target_node, position);
+                        _this.tree_widget.element.empty();
+                        return _this.tree_widget._refreshElements();
+                    };
+                })(this);
+                event = this.tree_widget._triggerEvent('tree.move', {
+                    move_info: {
+                        moved_node: moved_node,
+                        target_node: target_node,
+                        position: Position.getName(position),
+                        previous_parent: previous_parent,
+                        do_move: doMove,
+                        original_event: position_info.original_event
+                    }
+                });
+                if (!event.isDefaultPrevented()) {
+                    return doMove();
+                }
+            }
+        };
+
+        DragAndDropHandler.prototype.getTreeDimensions = function() {
+            var offset;
+            offset = this.tree_widget.element.offset();
+            return {
+                left: offset.left,
+                top: offset.top,
+                right: offset.left + this.tree_widget.element.width(),
+                bottom: offset.top + this.tree_widget.element.height() + 16
+            };
+        };
+
+        return DragAndDropHandler;
+
+    })();
+
+    VisibleNodeIterator = (function() {
+        function VisibleNodeIterator(tree) {
+            this.tree = tree;
+        }
+
+        VisibleNodeIterator.prototype.iterate = function() {
+            var _iterateNode, is_first_node;
+            is_first_node = true;
+            _iterateNode = (function(_this) {
+                return function(node, next_node) {
+                    var $element, child, children_length, i, j, len, must_iterate_inside, ref;
+                    must_iterate_inside = (node.is_open || !node.element) && node.hasChildren();
+                    if (node.element) {
+                        $element = $(node.element);
+                        if (!$element.is(':visible')) {
+                            return;
+                        }
+                        if (is_first_node) {
+                            _this.handleFirstNode(node, $element);
+                            is_first_node = false;
+                        }
+                        if (!node.hasChildren()) {
+                            _this.handleNode(node, next_node, $element);
+                        } else if (node.is_open) {
+                            if (!_this.handleOpenFolder(node, $element)) {
+                                must_iterate_inside = false;
+                            }
+                        } else {
+                            _this.handleClosedFolder(node, next_node, $element);
+                        }
+                    }
+                    if (must_iterate_inside) {
+                        children_length = node.children.length;
+                        ref = node.children;
+                        for (i = j = 0, len = ref.length; j < len; i = ++j) {
+                            child = ref[i];
+                            if (i === (children_length - 1)) {
+                                _iterateNode(node.children[i], null);
+                            } else {
+                                _iterateNode(node.children[i], node.children[i + 1]);
+                            }
+                        }
+                        if (node.is_open) {
+                            return _this.handleAfterOpenFolder(node, next_node, $element);
+                        }
+                    }
+                };
+            })(this);
+            return _iterateNode(this.tree, null);
+        };
+
+        VisibleNodeIterator.prototype.handleNode = function(node, next_node, $element) {};
+
+        VisibleNodeIterator.prototype.handleOpenFolder = function(node, $element) {};
+
+        VisibleNodeIterator.prototype.handleClosedFolder = function(node, next_node, $element) {};
+
+        VisibleNodeIterator.prototype.handleAfterOpenFolder = function(node, next_node, $element) {};
+
+        VisibleNodeIterator.prototype.handleFirstNode = function(node, $element) {};
+
+        return VisibleNodeIterator;
+
+    })();
+
+    HitAreasGenerator = (function(superClass) {
+        extend(HitAreasGenerator, superClass);
+
+        function HitAreasGenerator(tree, current_node, tree_bottom) {
+            HitAreasGenerator.__super__.constructor.call(this, tree);
+            this.current_node = current_node;
+            this.tree_bottom = tree_bottom;
+        }
+
+        HitAreasGenerator.prototype.generate = function() {
+            this.positions = [];
+            this.last_top = 0;
+            this.iterate();
+            return this.generateHitAreas(this.positions);
+        };
+
+        HitAreasGenerator.prototype.getTop = function($element) {
+            return $element.offset().top;
+        };
+
+        HitAreasGenerator.prototype.addPosition = function(node, position, top) {
+            var area;
+            area = {
+                top: top,
+                node: node,
+                position: position
+            };
+            this.positions.push(area);
+            return this.last_top = top;
+        };
+
+        HitAreasGenerator.prototype.handleNode = function(node, next_node, $element) {
+            var top;
+            top = this.getTop($element);
+            if (node === this.current_node) {
+                this.addPosition(node, Position.NONE, top);
+            } else {
+                this.addPosition(node, Position.INSIDE, top);
+            }
+            if (next_node === this.current_node || node === this.current_node) {
+                return this.addPosition(node, Position.NONE, top);
+            } else {
+                return this.addPosition(node, Position.AFTER, top);
+            }
+        };
+
+        HitAreasGenerator.prototype.handleOpenFolder = function(node, $element) {
+            if (node === this.current_node) {
+                return false;
+            }
+            if (node.children[0] !== this.current_node) {
+                this.addPosition(node, Position.INSIDE, this.getTop($element));
+            }
+            return true;
+        };
+
+        HitAreasGenerator.prototype.handleClosedFolder = function(node, next_node, $element) {
+            var top;
+            top = this.getTop($element);
+            if (node === this.current_node) {
+                return this.addPosition(node, Position.NONE, top);
+            } else {
+                this.addPosition(node, Position.INSIDE, top);
+                if (next_node !== this.current_node) {
+                    return this.addPosition(node, Position.AFTER, top);
+                }
+            }
+        };
+
+        HitAreasGenerator.prototype.handleFirstNode = function(node, $element) {
+            if (node !== this.current_node) {
+                return this.addPosition(node, Position.BEFORE, this.getTop($(node.element)));
+            }
+        };
+
+        HitAreasGenerator.prototype.handleAfterOpenFolder = function(node, next_node, $element) {
+            if (node === this.current_node.node || next_node === this.current_node.node) {
+                return this.addPosition(node, Position.NONE, this.last_top);
+            } else {
+                return this.addPosition(node, Position.AFTER, this.last_top);
+            }
+        };
+
+        HitAreasGenerator.prototype.generateHitAreas = function(positions) {
+            var group, hit_areas, j, len, position, previous_top;
+            previous_top = -1;
+            group = [];
+            hit_areas = [];
+            for (j = 0, len = positions.length; j < len; j++) {
+                position = positions[j];
+                if (position.top !== previous_top && group.length) {
+                    if (group.length) {
+                        this.generateHitAreasForGroup(hit_areas, group, previous_top, position.top);
+                    }
+                    previous_top = position.top;
+                    group = [];
+                }
+                group.push(position);
+            }
+            this.generateHitAreasForGroup(hit_areas, group, previous_top, this.tree_bottom);
+            return hit_areas;
+        };
+
+        HitAreasGenerator.prototype.generateHitAreasForGroup = function(hit_areas, positions_in_group, top, bottom) {
+            var area_height, area_top, i, position, position_count;
+            position_count = Math.min(positions_in_group.length, 4);
+            area_height = Math.round((bottom - top) / position_count);
+            area_top = top;
+            i = 0;
+            while (i < position_count) {
+                position = positions_in_group[i];
+                hit_areas.push({
+                    top: area_top,
+                    bottom: area_top + area_height,
+                    node: position.node,
+                    position: position.position
+                });
+                area_top += area_height;
+                i += 1;
+            }
+            return null;
+        };
+
+        return HitAreasGenerator;
+
+    })(VisibleNodeIterator);
+
+    DragElement = (function() {
+        function DragElement(node_name, offset_x, offset_y, $tree) {
+            this.offset_x = offset_x;
+            this.offset_y = offset_y;
+            this.$element = $("<span class=\"jqtree-title jqtree-dragging\">" + node_name + "</span>");
+            this.$element.css("position", "absolute");
+            $tree.append(this.$element);
+        }
+
+        DragElement.prototype.move = function(page_x, page_y) {
+            return this.$element.offset({
+                left: page_x - this.offset_x,
+                top: page_y - this.offset_y
+            });
+        };
+
+        DragElement.prototype.remove = function() {
+            return this.$element.remove();
+        };
+
+        return DragElement;
+
+    })();
+
+    module.exports = {
+        DragAndDropHandler: DragAndDropHandler,
+        DragElement: DragElement,
+        HitAreasGenerator: HitAreasGenerator
+    };
+
+},{"./node":5,"./util":12}],2:[function(require,module,exports){
+    var $, ElementsRenderer, NodeElement, html_escape, node_element, util;
+
+    node_element = require('./node_element');
+
+    NodeElement = node_element.NodeElement;
+
+    util = require('./util');
+
+    html_escape = util.html_escape;
+
+    $ = jQuery;
+
+    ElementsRenderer = (function() {
+        function ElementsRenderer(tree_widget) {
+            this.tree_widget = tree_widget;
+            this.opened_icon_element = this.createButtonElement(tree_widget.options.openedIcon);
+            this.closed_icon_element = this.createButtonElement(tree_widget.options.closedIcon);
+        }
+
+        ElementsRenderer.prototype.render = function(from_node) {
+            if (from_node && from_node.parent) {
+                return this.renderFromNode(from_node);
+            } else {
+                return this.renderFromRoot();
+            }
+        };
+
+        ElementsRenderer.prototype.renderFromRoot = function() {
+            var $element;
+            $element = this.tree_widget.element;
+            $element.empty();
+            return this.createDomElements($element[0], this.tree_widget.tree.children, true, true, 1);
+        };
+
+        ElementsRenderer.prototype.renderFromNode = function(node) {
+            var $previous_li, li;
+            $previous_li = $(node.element);
+            li = this.createLi(node, node.getLevel());
+            this.attachNodeData(node, li);
+            $previous_li.after(li);
+            $previous_li.remove();
+            if (node.children) {
+                return this.createDomElements(li, node.children, false, false, node.getLevel() + 1);
+            }
+        };
+
+        ElementsRenderer.prototype.createDomElements = function(element, children, is_root_node, is_open, level) {
+            var child, i, len, li, ul;
+            ul = this.createUl(is_root_node);
+            element.appendChild(ul);
+            for (i = 0, len = children.length; i < len; i++) {
+                child = children[i];
+                li = this.createLi(child, level);
+                ul.appendChild(li);
+                this.attachNodeData(child, li);
+                if (child.hasChildren()) {
+                    this.createDomElements(li, child.children, false, child.is_open, level + 1);
+                }
+            }
+            return null;
+        };
+
+        ElementsRenderer.prototype.attachNodeData = function(node, li) {
+            node.element = li;
+            return $(li).data('node', node);
+        };
+
+        ElementsRenderer.prototype.createUl = function(is_root_node) {
+            var class_string, role, ul;
+            if (!is_root_node) {
+                class_string = '';
+                role = 'group';
+            } else {
+                class_string = 'jqtree-tree';
+                role = 'tree';
+                if (this.tree_widget.options.rtl) {
+                    class_string += ' jqtree-rtl';
+                }
+            }
+            ul = document.createElement('ul');
+            ul.className = "jqtree_common " + class_string;
+            ul.setAttribute('role', role);
+            return ul;
+        };
+
+        ElementsRenderer.prototype.createLi = function(node, level) {
+            var is_selected, li;
+            is_selected = this.tree_widget.select_node_handler && this.tree_widget.select_node_handler.isNodeSelected(node);
+            if (node.isFolder()) {
+                li = this.createFolderLi(node, level, is_selected);
+            } else {
+                li = this.createNodeLi(node, level, is_selected);
+            }
+            if (this.tree_widget.options.onCreateLi) {
+                this.tree_widget.options.onCreateLi(node, $(li));
+            }
+            return li;
+        };
+
+        ElementsRenderer.prototype.createFolderLi = function(node, level, is_selected) {
+            var button_classes, button_link, div, folder_classes, icon_element, is_folder, li;
+            button_classes = this.getButtonClasses(node);
+            folder_classes = this.getFolderClasses(node, is_selected);
+            if (node.is_open) {
+                icon_element = this.opened_icon_element;
+            } else {
+                icon_element = this.closed_icon_element;
+            }
+            li = document.createElement('li');
+            li.className = "jqtree_common " + folder_classes;
+            li.setAttribute('role', 'presentation');
+            div = document.createElement('div');
+            div.className = "jqtree-element jqtree_common";
+            div.setAttribute('role', 'presentation');
+            li.appendChild(div);
+            button_link = document.createElement('a');
+            button_link.className = button_classes;
+            button_link.appendChild(icon_element.cloneNode(false));
+            button_link.setAttribute('role', 'presentation');
+            button_link.setAttribute('aria-hidden', 'true');
+            if (this.tree_widget.options.buttonLeft) {
+                div.appendChild(button_link);
+            }
+            div.appendChild(this.createTitleSpan(node.name, level, is_selected, node.is_open, is_folder = true));
+            if (!this.tree_widget.options.buttonLeft) {
+                div.appendChild(button_link);
+            }
+            return li;
+        };
+
+        ElementsRenderer.prototype.createNodeLi = function(node, level, is_selected) {
+            var class_string, div, is_folder, li, li_classes;
+            li_classes = ['jqtree_common'];
+            if (is_selected) {
+                li_classes.push('jqtree-selected');
+            }
+            class_string = li_classes.join(' ');
+            li = document.createElement('li');
+            li.className = class_string;
+            li.setAttribute('role', 'presentation');
+            div = document.createElement('div');
+            div.className = "jqtree-element jqtree_common";
+            div.setAttribute('role', 'presentation');
+            li.appendChild(div);
+            div.appendChild(this.createTitleSpan(node.name, level, is_selected, node.is_open, is_folder = false));
+            return li;
+        };
+
+        ElementsRenderer.prototype.createTitleSpan = function(node_name, level, is_selected, is_open, is_folder) {
+            var classes, title_span;
+            title_span = document.createElement('span');
+            classes = "jqtree-title jqtree_common";
+            if (is_folder) {
+                classes += " jqtree-title-folder";
+            }
+            title_span.className = classes;
+            title_span.setAttribute('role', 'treeitem');
+            title_span.setAttribute('aria-level', level);
+            title_span.setAttribute('aria-selected', util.getBoolString(is_selected));
+            title_span.setAttribute('aria-expanded', util.getBoolString(is_open));
+            if (is_selected) {
+                title_span.setAttribute('tabindex', 0);
+            }
+            title_span.innerHTML = this.escapeIfNecessary(node_name);
+            return title_span;
+        };
+
+        ElementsRenderer.prototype.getButtonClasses = function(node) {
+            var classes;
+            classes = ['jqtree-toggler', 'jqtree_common'];
+            if (!node.is_open) {
+                classes.push('jqtree-closed');
+            }
+            if (this.tree_widget.options.buttonLeft) {
+                classes.push('jqtree-toggler-left');
+            } else {
+                classes.push('jqtree-toggler-right');
+            }
+            return classes.join(' ');
+        };
+
+        ElementsRenderer.prototype.getFolderClasses = function(node, is_selected) {
+            var classes;
+            classes = ['jqtree-folder'];
+            if (!node.is_open) {
+                classes.push('jqtree-closed');
+            }
+            if (is_selected) {
+                classes.push('jqtree-selected');
+            }
+            if (node.is_loading) {
+                classes.push('jqtree-loading');
+            }
+            return classes.join(' ');
+        };
+
+        ElementsRenderer.prototype.escapeIfNecessary = function(value) {
+            if (this.tree_widget.options.autoEscape) {
+                return html_escape(value);
+            } else {
+                return value;
+            }
+        };
+
+        ElementsRenderer.prototype.createButtonElement = function(value) {
+            var div;
+            if (typeof value === 'string') {
+                div = document.createElement('div');
+                div.innerHTML = value;
+                return document.createTextNode(div.innerHTML);
+            } else {
+                return $(value)[0];
+            }
+        };
+
+        return ElementsRenderer;
+
+    })();
+
+    module.exports = ElementsRenderer;
+
+},{"./node_element":6,"./util":12}],3:[function(require,module,exports){
+    var $, KeyHandler,
+        bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
+
+    $ = jQuery;
+
+    KeyHandler = (function() {
+        var DOWN, LEFT, RIGHT, UP;
+
+        LEFT = 37;
+
+        UP = 38;
+
+        RIGHT = 39;
+
+        DOWN = 40;
+
+        function KeyHandler(tree_widget) {
+            this.selectNode = bind(this.selectNode, this);
+            this.tree_widget = tree_widget;
+            if (tree_widget.options.keyboardSupport) {
+                $(document).bind('keydown.jqtree', $.proxy(this.handleKeyDown, this));
+            }
+        }
+
+        KeyHandler.prototype.deinit = function() {
+            return $(document).unbind('keydown.jqtree');
+        };
+
+        KeyHandler.prototype.moveDown = function() {
+            var node;
+            node = this.tree_widget.getSelectedNode();
+            if (node) {
+                return this.selectNode(node.getNextNode());
+            } else {
+                return false;
+            }
+        };
+
+        KeyHandler.prototype.moveUp = function() {
+            var node;
+            node = this.tree_widget.getSelectedNode();
+            if (node) {
+                return this.selectNode(node.getPreviousNode());
+            } else {
+                return false;
+            }
+        };
+
+        KeyHandler.prototype.moveRight = function() {
+            var node;
+            node = this.tree_widget.getSelectedNode();
+            if (!node) {
+                return true;
+            } else if (!node.isFolder()) {
+                return true;
+            } else {
+                if (node.is_open) {
+                    return this.selectNode(node.getNextNode());
+                } else {
+                    this.tree_widget.openNode(node);
+                    return false;
+                }
+            }
+        };
+
+        KeyHandler.prototype.moveLeft = function() {
+            var node;
+            node = this.tree_widget.getSelectedNode();
+            if (!node) {
+                return true;
+            } else if (node.isFolder() && node.is_open) {
+                this.tree_widget.closeNode(node);
+                return false;
+            } else {
+                return this.selectNode(node.getParent());
+            }
+        };
+
+        KeyHandler.prototype.handleKeyDown = function(e) {
+            var key;
+            if (!this.tree_widget.options.keyboardSupport) {
+                return true;
+            }
+            if ($(document.activeElement).is('textarea,input,select')) {
+                return true;
+            }
+            if (!this.tree_widget.getSelectedNode()) {
+                return true;
+            }
+            key = e.which;
+            switch (key) {
+                case DOWN:
+                    return this.moveDown();
+                case UP:
+                    return this.moveUp();
+                case RIGHT:
+                    return this.moveRight();
+                case LEFT:
+                    return this.moveLeft();
+            }
+            return true;
+        };
+
+        KeyHandler.prototype.selectNode = function(node) {
+            if (!node) {
+                return true;
+            } else {
+                this.tree_widget.selectNode(node);
+                if (this.tree_widget.scroll_handler && (!this.tree_widget.scroll_handler.isScrolledIntoView($(node.element).find('.jqtree-element')))) {
+                    this.tree_widget.scrollToNode(node);
+                }
+                return false;
+            }
+        };
+
+        return KeyHandler;
+
+    })();
+
+    module.exports = KeyHandler;
+
+},{}],4:[function(require,module,exports){
+
+    /*
+     This widget does the same a the mouse widget in jqueryui.
+     */
+    var $, MouseWidget, SimpleWidget,
+        extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+        hasProp = {}.hasOwnProperty;
+
+    SimpleWidget = require('./simple.widget');
+
+    $ = jQuery;
+
+    MouseWidget = (function(superClass) {
+        extend(MouseWidget, superClass);
+
+        function MouseWidget() {
+            return MouseWidget.__super__.constructor.apply(this, arguments);
+        }
+
+        MouseWidget.is_mouse_handled = false;
+
+        MouseWidget.prototype._init = function() {
+            this.$el.bind('mousedown.mousewidget', $.proxy(this._mouseDown, this));
+            this.$el.bind('touchstart.mousewidget', $.proxy(this._touchStart, this));
+            this.is_mouse_started = false;
+            this.mouse_delay = 0;
+            this._mouse_delay_timer = null;
+            this._is_mouse_delay_met = true;
+            return this.mouse_down_info = null;
+        };
+
+        MouseWidget.prototype._deinit = function() {
+            var $document;
+            this.$el.unbind('mousedown.mousewidget');
+            this.$el.unbind('touchstart.mousewidget');
+            $document = $(document);
+            $document.unbind('mousemove.mousewidget');
+            return $document.unbind('mouseup.mousewidget');
+        };
+
+        MouseWidget.prototype._mouseDown = function(e) {
+            var result;
+            if (e.which !== 1) {
+                return;
+            }
+            result = this._handleMouseDown(e, this._getPositionInfo(e));
+            if (result) {
+                e.preventDefault();
+            }
+            return result;
+        };
+
+        MouseWidget.prototype._handleMouseDown = function(e, position_info) {
+            if (MouseWidget.is_mouse_handled) {
+                return;
+            }
+            if (this.is_mouse_started) {
+                this._handleMouseUp(position_info);
+            }
+            this.mouse_down_info = position_info;
+            if (!this._mouseCapture(position_info)) {
+                return;
+            }
+            this._handleStartMouse();
+            this.is_mouse_handled = true;
+            return true;
+        };
+
+        MouseWidget.prototype._handleStartMouse = function() {
+            var $document;
+            $document = $(document);
+            $document.bind('mousemove.mousewidget', $.proxy(this._mouseMove, this));
+            $document.bind('touchmove.mousewidget', $.proxy(this._touchMove, this));
+            $document.bind('mouseup.mousewidget', $.proxy(this._mouseUp, this));
+            $document.bind('touchend.mousewidget', $.proxy(this._touchEnd, this));
+            if (this.mouse_delay) {
+                return this._startMouseDelayTimer();
+            }
+        };
+
+        MouseWidget.prototype._startMouseDelayTimer = function() {
+            if (this._mouse_delay_timer) {
+                clearTimeout(this._mouse_delay_timer);
+            }
+            this._mouse_delay_timer = setTimeout((function(_this) {
+                return function() {
+                    return _this._is_mouse_delay_met = true;
+                };
+            })(this), this.mouse_delay);
+            return this._is_mouse_delay_met = false;
+        };
+
+        MouseWidget.prototype._mouseMove = function(e) {
+            return this._handleMouseMove(e, this._getPositionInfo(e));
+        };
+
+        MouseWidget.prototype._handleMouseMove = function(e, position_info) {
+            if (this.is_mouse_started) {
+                this._mouseDrag(position_info);
+                return e.preventDefault();
+            }
+            if (this.mouse_delay && !this._is_mouse_delay_met) {
+                return true;
+            }
+            this.is_mouse_started = this._mouseStart(this.mouse_down_info) !== false;
+            if (this.is_mouse_started) {
+                this._mouseDrag(position_info);
+            } else {
+                this._handleMouseUp(position_info);
+            }
+            return !this.is_mouse_started;
+        };
+
+        MouseWidget.prototype._getPositionInfo = function(e) {
+            return {
+                page_x: e.pageX,
+                page_y: e.pageY,
+                target: e.target,
+                original_event: e
+            };
+        };
+
+        MouseWidget.prototype._mouseUp = function(e) {
+            return this._handleMouseUp(this._getPositionInfo(e));
+        };
+
+        MouseWidget.prototype._handleMouseUp = function(position_info) {
+            var $document;
+            $document = $(document);
+            $document.unbind('mousemove.mousewidget');
+            $document.unbind('touchmove.mousewidget');
+            $document.unbind('mouseup.mousewidget');
+            $document.unbind('touchend.mousewidget');
+            if (this.is_mouse_started) {
+                this.is_mouse_started = false;
+                this._mouseStop(position_info);
+            }
+        };
+
+        MouseWidget.prototype._mouseCapture = function(position_info) {
+            return true;
+        };
+
+        MouseWidget.prototype._mouseStart = function(position_info) {
+            return null;
+        };
+
+        MouseWidget.prototype._mouseDrag = function(position_info) {
+            return null;
+        };
+
+        MouseWidget.prototype._mouseStop = function(position_info) {
+            return null;
+        };
+
+        MouseWidget.prototype.setMouseDelay = function(mouse_delay) {
+            return this.mouse_delay = mouse_delay;
+        };
+
+        MouseWidget.prototype._touchStart = function(e) {
+            var touch;
+            if (e.originalEvent.touches.length > 1) {
+                return;
+            }
+            touch = e.originalEvent.changedTouches[0];
+            return this._handleMouseDown(e, this._getPositionInfo(touch));
+        };
+
+        MouseWidget.prototype._touchMove = function(e) {
+            var touch;
+            if (e.originalEvent.touches.length > 1) {
+                return;
+            }
+            touch = e.originalEvent.changedTouches[0];
+            return this._handleMouseMove(e, this._getPositionInfo(touch));
+        };
+
+        MouseWidget.prototype._touchEnd = function(e) {
+            var touch;
+            if (e.originalEvent.touches.length > 1) {
+                return;
+            }
+            touch = e.originalEvent.changedTouches[0];
+            return this._handleMouseUp(this._getPositionInfo(touch));
+        };
+
+        return MouseWidget;
+
+    })(SimpleWidget);
+
+    module.exports = MouseWidget;
+
+},{"./simple.widget":10}],5:[function(require,module,exports){
+    var $, Node, Position;
+
+    $ = jQuery;
+
+    Position = {
+        getName: function(position) {
+            return Position.strings[position - 1];
+        },
+        nameToIndex: function(name) {
+            var i, j, ref;
+            for (i = j = 1, ref = Position.strings.length; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {
+                if (Position.strings[i - 1] === name) {
+                    return i;
+                }
+            }
+            return 0;
+        }
+    };
+
+    Position.BEFORE = 1;
+
+    Position.AFTER = 2;
+
+    Position.INSIDE = 3;
+
+    Position.NONE = 4;
+
+    Position.strings = ['before', 'after', 'inside', 'none'];
+
+    Node = (function() {
+        function Node(o, is_root, node_class) {
+            if (is_root == null) {
+                is_root = false;
+            }
+            if (node_class == null) {
+                node_class = Node;
+            }
+            this.name = '';
+            this.setData(o);
+            this.children = [];
+            this.parent = null;
+            if (is_root) {
+                this.id_mapping = {};
+                this.tree = this;
+                this.node_class = node_class;
+            }
+        }
+
+        Node.prototype.setData = function(o) {
+
+            /*
+             Set the data of this node.
+
+             setData(string): set the name of the node
+             setdata(object): set attributes of the node
+
+             Examples:
+             setdata('node1')
+
+             setData({ name: 'node1', id: 1});
+
+             setData({ name: 'node2', id: 2, color: 'green'});
+
+             * This is an internal function; it is not in the docs
+             * Does not remove existing node values
+             */
+            var key, setName, value;
+            setName = (function(_this) {
+                return function(name) {
+                    if (name !== null) {
+                        return _this.name = name;
+                    }
+                };
+            })(this);
+            if (typeof o !== 'object') {
+                setName(o);
+            } else {
+                for (key in o) {
+                    value = o[key];
+                    if (key === 'label') {
+                        setName(value);
+                    } else if (key !== 'children') {
+                        this[key] = value;
+                    }
+                }
+            }
+            return null;
+        };
+
+        Node.prototype.initFromData = function(data) {
+            var addChildren, addNode;
+            addNode = (function(_this) {
+                return function(node_data) {
+                    _this.setData(node_data);
+                    if (node_data.children) {
+                        return addChildren(node_data.children);
+                    }
+                };
+            })(this);
+            addChildren = (function(_this) {
+                return function(children_data) {
+                    var child, j, len, node;
+                    for (j = 0, len = children_data.length; j < len; j++) {
+                        child = children_data[j];
+                        node = new _this.tree.node_class('');
+                        node.initFromData(child);
+                        _this.addChild(node);
+                    }
+                    return null;
+                };
+            })(this);
+            addNode(data);
+            return null;
+        };
+
+
+        /*
+         Create tree from data.
+
+         Structure of data is:
+         [
+         {
+         label: 'node1',
+         children: [
+         { label: 'child1' },
+         { label: 'child2' }
+         ]
+         },
+         {
+         label: 'node2'
+         }
+         ]
+         */
+
+        Node.prototype.loadFromData = function(data) {
+            var j, len, node, o;
+            this.removeChildren();
+            for (j = 0, len = data.length; j < len; j++) {
+                o = data[j];
+                node = new this.tree.node_class(o);
+                this.addChild(node);
+                if (typeof o === 'object' && o.children) {
+                    node.loadFromData(o.children);
+                }
+            }
+            return null;
+        };
+
+
+        /*
+         Add child.
+
+         tree.addChild(
+         new Node('child1')
+         );
+         */
+
+        Node.prototype.addChild = function(node) {
+            this.children.push(node);
+            return node._setParent(this);
+        };
+
+
+        /*
+         Add child at position. Index starts at 0.
+
+         tree.addChildAtPosition(
+         new Node('abc'),
+         1
+         );
+         */
+
+        Node.prototype.addChildAtPosition = function(node, index) {
+            this.children.splice(index, 0, node);
+            return node._setParent(this);
+        };
+
+        Node.prototype._setParent = function(parent) {
+            this.parent = parent;
+            this.tree = parent.tree;
+            return this.tree.addNodeToIndex(this);
+        };
+
+
+        /*
+         Remove child. This also removes the children of the node.
+
+         tree.removeChild(tree.children[0]);
+         */
+
+        Node.prototype.removeChild = function(node) {
+            node.removeChildren();
+            return this._removeChild(node);
+        };
+
+        Node.prototype._removeChild = function(node) {
+            this.children.splice(this.getChildIndex(node), 1);
+            return this.tree.removeNodeFromIndex(node);
+        };
+
+
+        /*
+         Get child index.
+
+         var index = getChildIndex(node);
+         */
+
+        Node.prototype.getChildIndex = function(node) {
+            return $.inArray(node, this.children);
+        };
+
+
+        /*
+         Does the tree have children?
+
+         if (tree.hasChildren()) {
+         //
+         }
+         */
+
+        Node.prototype.hasChildren = function() {
+            return this.children.length !== 0;
+        };
+
+        Node.prototype.isFolder = function() {
+            return this.hasChildren() || this.load_on_demand;
+        };
+
+
+        /*
+         Iterate over all the nodes in the tree.
+
+         Calls callback with (node, level).
+
+         The callback must return true to continue the iteration on current node.
+
+         tree.iterate(
+         function(node, level) {
+         console.log(node.name);
+
+         // stop iteration after level 2
+         return (level <= 2);
+         }
+         );
+         */
+
+        Node.prototype.iterate = function(callback) {
+            var _iterate;
+            _iterate = function(node, level) {
+                var child, j, len, ref, result;
+                if (node.children) {
+                    ref = node.children;
+                    for (j = 0, len = ref.length; j < len; j++) {
+                        child = ref[j];
+                        result = callback(child, level);
+                        if (result && child.hasChildren()) {
+                            _iterate(child, level + 1);
+                        }
+                    }
+                    return null;
+                }
+            };
+            _iterate(this, 0);
+            return null;
+        };
+
+
+        /*
+         Move node relative to another node.
+
+         Argument position: Position.BEFORE, Position.AFTER or Position.Inside
+
+         // move node1 after node2
+         tree.moveNode(node1, node2, Position.AFTER);
+         */
+
+        Node.prototype.moveNode = function(moved_node, target_node, position) {
+            if (moved_node.isParentOf(target_node)) {
+                return;
+            }
+            moved_node.parent._removeChild(moved_node);
+            if (position === Position.AFTER) {
+                return target_node.parent.addChildAtPosition(moved_node, target_node.parent.getChildIndex(target_node) + 1);
+            } else if (position === Position.BEFORE) {
+                return target_node.parent.addChildAtPosition(moved_node, target_node.parent.getChildIndex(target_node));
+            } else if (position === Position.INSIDE) {
+                return target_node.addChildAtPosition(moved_node, 0);
+            }
+        };
+
+
+        /*
+         Get the tree as data.
+         */
+
+        Node.prototype.getData = function(include_parent) {
+            var getDataFromNodes;
+            if (include_parent == null) {
+                include_parent = false;
+            }
+            getDataFromNodes = function(nodes) {
+                var data, j, k, len, node, tmp_node, v;
+                data = [];
+                for (j = 0, len = nodes.length; j < len; j++) {
+                    node = nodes[j];
+                    tmp_node = {};
+                    for (k in node) {
+                        v = node[k];
+                        if ((k !== 'parent' && k !== 'children' && k !== 'element' && k !== 'tree') && Object.prototype.hasOwnProperty.call(node, k)) {
+                            tmp_node[k] = v;
+                        }
+                    }
+                    if (node.hasChildren()) {
+                        tmp_node.children = getDataFromNodes(node.children);
+                    }
+                    data.push(tmp_node);
+                }
+                return data;
+            };
+            if (include_parent) {
+                return getDataFromNodes([this]);
+            } else {
+                return getDataFromNodes(this.children);
+            }
+        };
+
+        Node.prototype.getNodeByName = function(name) {
+            return this.getNodeByCallback(function(node) {
+                return node.name === name;
+            });
+        };
+
+        Node.prototype.getNodeByCallback = function(callback) {
+            var result;
+            result = null;
+            this.iterate(function(node) {
+                if (callback(node)) {
+                    result = node;
+                    return false;
+                } else {
+                    return true;
+                }
+            });
+            return result;
+        };
+
+        Node.prototype.addAfter = function(node_info) {
+            var child_index, node;
+            if (!this.parent) {
+                return null;
+            } else {
+                node = new this.tree.node_class(node_info);
+                child_index = this.parent.getChildIndex(this);
+                this.parent.addChildAtPosition(node, child_index + 1);
+                if (typeof node_info === 'object' && node_info.children && node_info.children.length) {
+                    node.loadFromData(node_info.children);
+                }
+                return node;
+            }
+        };
+
+        Node.prototype.addBefore = function(node_info) {
+            var child_index, node;
+            if (!this.parent) {
+                return null;
+            } else {
+                node = new this.tree.node_class(node_info);
+                child_index = this.parent.getChildIndex(this);
+                this.parent.addChildAtPosition(node, child_index);
+                if (typeof node_info === 'object' && node_info.children && node_info.children.length) {
+                    node.loadFromData(node_info.children);
+                }
+                return node;
+            }
+        };
+
+        Node.prototype.addParent = function(node_info) {
+            var child, j, len, new_parent, original_parent, ref;
+            if (!this.parent) {
+                return null;
+            } else {
+                new_parent = new this.tree.node_class(node_info);
+                new_parent._setParent(this.tree);
+                original_parent = this.parent;
+                ref = original_parent.children;
+                for (j = 0, len = ref.length; j < len; j++) {
+                    child = ref[j];
+                    new_parent.addChild(child);
+                }
+                original_parent.children = [];
+                original_parent.addChild(new_parent);
+                return new_parent;
+            }
+        };
+
+        Node.prototype.remove = function() {
+            if (this.parent) {
+                this.parent.removeChild(this);
+                return this.parent = null;
+            }
+        };
+
+        Node.prototype.append = function(node_info) {
+            var node;
+            node = new this.tree.node_class(node_info);
+            this.addChild(node);
+            if (typeof node_info === 'object' && node_info.children && node_info.children.length) {
+                node.loadFromData(node_info.children);
+            }
+            return node;
+        };
+
+        Node.prototype.prepend = function(node_info) {
+            var node;
+            node = new this.tree.node_class(node_info);
+            this.addChildAtPosition(node, 0);
+            if (typeof node_info === 'object' && node_info.children && node_info.children.length) {
+                node.loadFromData(node_info.children);
+            }
+            return node;
+        };
+
+        Node.prototype.isParentOf = function(node) {
+            var parent;
+            parent = node.parent;
+            while (parent) {
+                if (parent === this) {
+                    return true;
+                }
+                parent = parent.parent;
+            }
+            return false;
+        };
+
+        Node.prototype.getLevel = function() {
+            var level, node;
+            level = 0;
+            node = this;
+            while (node.parent) {
+                level += 1;
+                node = node.parent;
+            }
+            return level;
+        };
+
+        Node.prototype.getNodeById = function(node_id) {
+            return this.id_mapping[node_id];
+        };
+
+        Node.prototype.addNodeToIndex = function(node) {
+            if (node.id != null) {
+                return this.id_mapping[node.id] = node;
+            }
+        };
+
+        Node.prototype.removeNodeFromIndex = function(node) {
+            if (node.id != null) {
+                return delete this.id_mapping[node.id];
+            }
+        };
+
+        Node.prototype.removeChildren = function() {
+            this.iterate((function(_this) {
+                return function(child) {
+                    _this.tree.removeNodeFromIndex(child);
+                    return true;
+                };
+            })(this));
+            return this.children = [];
+        };
+
+        Node.prototype.getPreviousSibling = function() {
+            var previous_index;
+            if (!this.parent) {
+                return null;
+            } else {
+                previous_index = this.parent.getChildIndex(this) - 1;
+                if (previous_index >= 0) {
+                    return this.parent.children[previous_index];
+                } else {
+                    return null;
+                }
+            }
+        };
+
+        Node.prototype.getNextSibling = function() {
+            var next_index;
+            if (!this.parent) {
+                return null;
+            } else {
+                next_index = this.parent.getChildIndex(this) + 1;
+                if (next_index < this.parent.children.length) {
+                    return this.parent.children[next_index];
+                } else {
+                    return null;
+                }
+            }
+        };
+
+        Node.prototype.getNodesByProperty = function(key, value) {
+            return this.filter(function(node) {
+                return node[key] === value;
+            });
+        };
+
+        Node.prototype.filter = function(f) {
+            var result;
+            result = [];
+            this.iterate(function(node) {
+                if (f(node)) {
+                    result.push(node);
+                }
+                return true;
+            });
+            return result;
+        };
+
+        Node.prototype.getNextNode = function(include_children) {
+            var next_sibling;
+            if (include_children == null) {
+                include_children = true;
+            }
+            if (include_children && this.hasChildren() && this.is_open) {
+                return this.children[0];
+            } else {
+                if (!this.parent) {
+                    return null;
+                } else {
+                    next_sibling = this.getNextSibling();
+                    if (next_sibling) {
+                        return next_sibling;
+                    } else {
+                        return this.parent.getNextNode(false);
+                    }
+                }
+            }
+        };
+
+        Node.prototype.getPreviousNode = function() {
+            var previous_sibling;
+            if (!this.parent) {
+                return null;
+            } else {
+                previous_sibling = this.getPreviousSibling();
+                if (previous_sibling) {
+                    if (!previous_sibling.hasChildren() || !previous_sibling.is_open) {
+                        return previous_sibling;
+                    } else {
+                        return previous_sibling.getLastChild();
+                    }
+                } else {
+                    return this.getParent();
+                }
+            }
+        };
+
+        Node.prototype.getParent = function() {
+            if (!this.parent) {
+                return null;
+            } else if (!this.parent.parent) {
+                return null;
+            } else {
+                return this.parent;
+            }
+        };
+
+        Node.prototype.getLastChild = function() {
+            var last_child;
+            if (!this.hasChildren()) {
+                return null;
+            } else {
+                last_child = this.children[this.children.length - 1];
+                if (!last_child.hasChildren() || !last_child.is_open) {
+                    return last_child;
+                } else {
+                    return last_child.getLastChild();
+                }
+            }
+        };
+
+        return Node;
+
+    })();
+
+    module.exports = {
+        Node: Node,
+        Position: Position
+    };
+
+},{}],6:[function(require,module,exports){
+    var $, BorderDropHint, FolderElement, GhostDropHint, NodeElement, Position, node,
+        extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+        hasProp = {}.hasOwnProperty;
+
+    node = require('./node');
+
+    Position = node.Position;
+
+    $ = jQuery;
+
+    NodeElement = (function() {
+        function NodeElement(node, tree_widget) {
+            this.init(node, tree_widget);
+        }
+
+        NodeElement.prototype.init = function(node, tree_widget) {
+            this.node = node;
+            this.tree_widget = tree_widget;
+            if (!node.element) {
+                node.element = this.tree_widget.element;
+            }
+            return this.$element = $(node.element);
+        };
+
+        NodeElement.prototype.getUl = function() {
+            return this.$element.children('ul:first');
+        };
+
+        NodeElement.prototype.getSpan = function() {
+            return this.$element.children('.jqtree-element').find('span.jqtree-title');
+        };
+
+        NodeElement.prototype.getLi = function() {
+            return this.$element;
+        };
+
+        NodeElement.prototype.addDropHint = function(position) {
+            if (position === Position.INSIDE) {
+                return new BorderDropHint(this.$element);
+            } else {
+                return new GhostDropHint(this.node, this.$element, position);
+            }
+        };
+
+        NodeElement.prototype.select = function() {
+            var $li, $span;
+            $li = this.getLi();
+            $li.addClass('jqtree-selected');
+            $li.attr('aria-selected', 'true');
+            $span = this.getSpan();
+            return $span.attr('tabindex', 0);
+        };
+
+        NodeElement.prototype.deselect = function() {
+            var $li, $span;
+            $li = this.getLi();
+            $li.removeClass('jqtree-selected');
+            $li.attr('aria-selected', 'false');
+            $span = this.getSpan();
+            return $span.attr('tabindex', -1);
+        };
+
+        return NodeElement;
+
+    })();
+
+    FolderElement = (function(superClass) {
+        extend(FolderElement, superClass);
+
+        function FolderElement() {
+            return FolderElement.__super__.constructor.apply(this, arguments);
+        }
+
+        FolderElement.prototype.open = function(on_finished, slide) {
+            var $button, doOpen;
+            if (slide == null) {
+                slide = true;
+            }
+            if (!this.node.is_open) {
+                this.node.is_open = true;
+                $button = this.getButton();
+                $button.removeClass('jqtree-closed');
+                $button.html('');
+                $button.append(this.tree_widget.renderer.opened_icon_element.cloneNode(false));
+                doOpen = (function(_this) {
+                    return function() {
+                        var $li, $span;
+                        $li = _this.getLi();
+                        $li.removeClass('jqtree-closed');
+                        $span = _this.getSpan();
+                        $span.attr('aria-expanded', 'true');
+                        if (on_finished) {
+                            on_finished();
+                        }
+                        return _this.tree_widget._triggerEvent('tree.open', {
+                            node: _this.node
+                        });
+                    };
+                })(this);
+                if (slide) {
+                    return this.getUl().slideDown('fast', doOpen);
+                } else {
+                    this.getUl().show();
+                    return doOpen();
+                }
+            }
+        };
+
+        FolderElement.prototype.close = function(slide) {
+            var $button, doClose;
+            if (slide == null) {
+                slide = true;
+            }
+            if (this.node.is_open) {
+                this.node.is_open = false;
+                $button = this.getButton();
+                $button.addClass('jqtree-closed');
+                $button.html('');
+                $button.append(this.tree_widget.renderer.closed_icon_element.cloneNode(false));
+                doClose = (function(_this) {
+                    return function() {
+                        var $li, $span;
+                        $li = _this.getLi();
+                        $li.addClass('jqtree-closed');
+                        $span = _this.getSpan();
+                        $span.attr('aria-expanded', 'false');
+                        return _this.tree_widget._triggerEvent('tree.close', {
+                            node: _this.node
+                        });
+                    };
+                })(this);
+                if (slide) {
+                    return this.getUl().slideUp('fast', doClose);
+                } else {
+                    this.getUl().hide();
+                    return doClose();
+                }
+            }
+        };
+
+        FolderElement.prototype.getButton = function() {
+            return this.$element.children('.jqtree-element').find('a.jqtree-toggler');
+        };
+
+        FolderElement.prototype.addDropHint = function(position) {
+            if (!this.node.is_open && position === Position.INSIDE) {
+                return new BorderDropHint(this.$element);
+            } else {
+                return new GhostDropHint(this.node, this.$element, position);
+            }
+        };
+
+        return FolderElement;
+
+    })(NodeElement);
+
+    BorderDropHint = (function() {
+        function BorderDropHint($element) {
+            var $div, width;
+            $div = $element.children('.jqtree-element');
+            width = $element.width() - 4;
+            this.$hint = $('<span class="jqtree-border"></span>');
+            $div.append(this.$hint);
+            this.$hint.css({
+                width: width,
+                height: $div.outerHeight() - 4
+            });
+        }
+
+        BorderDropHint.prototype.remove = function() {
+            return this.$hint.remove();
+        };
+
+        return BorderDropHint;
+
+    })();
+
+    GhostDropHint = (function() {
+        function GhostDropHint(node, $element, position) {
+            this.$element = $element;
+            this.node = node;
+            this.$ghost = $('<li class="jqtree_common jqtree-ghost"><span class="jqtree_common jqtree-circle"></span><span class="jqtree_common jqtree-line"></span></li>');
+            if (position === Position.AFTER) {
+                this.moveAfter();
+            } else if (position === Position.BEFORE) {
+                this.moveBefore();
+            } else if (position === Position.INSIDE) {
+                if (node.isFolder() && node.is_open) {
+                    this.moveInsideOpenFolder();
+                } else {
+                    this.moveInside();
+                }
+            }
+        }
+
+        GhostDropHint.prototype.remove = function() {
+            return this.$ghost.remove();
+        };
+
+        GhostDropHint.prototype.moveAfter = function() {
+            return this.$element.after(this.$ghost);
+        };
+
+        GhostDropHint.prototype.moveBefore = function() {
+            return this.$element.before(this.$ghost);
+        };
+
+        GhostDropHint.prototype.moveInsideOpenFolder = function() {
+            return $(this.node.children[0].element).before(this.$ghost);
+        };
+
+        GhostDropHint.prototype.moveInside = function() {
+            this.$element.after(this.$ghost);
+            return this.$ghost.addClass('jqtree-inside');
+        };
+
+        return GhostDropHint;
+
+    })();
+
+    module.exports = {
+        BorderDropHint: BorderDropHint,
+        FolderElement: FolderElement,
+        GhostDropHint: GhostDropHint,
+        NodeElement: NodeElement
+    };
+
+},{"./node":5}],7:[function(require,module,exports){
+    var $, SaveStateHandler, indexOf, isInt, util;
+
+    util = require('./util');
+
+    indexOf = util.indexOf;
+
+    isInt = util.isInt;
+
+    $ = jQuery;
+
+    SaveStateHandler = (function() {
+        function SaveStateHandler(tree_widget) {
+            this.tree_widget = tree_widget;
+        }
+
+        SaveStateHandler.prototype.saveState = function() {
+            var state;
+            state = JSON.stringify(this.getState());
+            if (this.tree_widget.options.onSetStateFromStorage) {
+                return this.tree_widget.options.onSetStateFromStorage(state);
+            } else if (this.supportsLocalStorage()) {
+                return localStorage.setItem(this.getCookieName(), state);
+            } else if ($.cookie) {
+                $.cookie.raw = true;
+                return $.cookie(this.getCookieName(), state, {
+                    path: '/'
+                });
+            }
+        };
+
+        SaveStateHandler.prototype.getStateFromStorage = function() {
+            var json_data;
+            json_data = this._loadFromStorage();
+            if (json_data) {
+                return this._parseState(json_data);
+            } else {
+                return null;
+            }
+        };
+
+        SaveStateHandler.prototype._parseState = function(json_data) {
+            var state;
+            state = $.parseJSON(json_data);
+            if (state && state.selected_node && isInt(state.selected_node)) {
+                state.selected_node = [state.selected_node];
+            }
+            return state;
+        };
+
+        SaveStateHandler.prototype._loadFromStorage = function() {
+            if (this.tree_widget.options.onGetStateFromStorage) {
+                return this.tree_widget.options.onGetStateFromStorage();
+            } else if (this.supportsLocalStorage()) {
+                return localStorage.getItem(this.getCookieName());
+            } else if ($.cookie) {
+                $.cookie.raw = true;
+                return $.cookie(this.getCookieName());
+            } else {
+                return null;
+            }
+        };
+
+        SaveStateHandler.prototype.getState = function() {
+            var getOpenNodeIds, getSelectedNodeIds;
+            getOpenNodeIds = (function(_this) {
+                return function() {
+                    var open_nodes;
+                    open_nodes = [];
+                    _this.tree_widget.tree.iterate(function(node) {
+                        if (node.is_open && node.id && node.hasChildren()) {
+                            open_nodes.push(node.id);
+                        }
+                        return true;
+                    });
+                    return open_nodes;
+                };
+            })(this);
+            getSelectedNodeIds = (function(_this) {
+                return function() {
+                    var n;
+                    return (function() {
+                        var i, len, ref, results;
+                        ref = this.tree_widget.getSelectedNodes();
+                        results = [];
+                        for (i = 0, len = ref.length; i < len; i++) {
+                            n = ref[i];
+                            results.push(n.id);
+                        }
+                        return results;
+                    }).call(_this);
+                };
+            })(this);
+            return {
+                open_nodes: getOpenNodeIds(),
+                selected_node: getSelectedNodeIds()
+            };
+        };
+
+        SaveStateHandler.prototype.setInitialState = function(state) {
+            var must_load_on_demand;
+            if (!state) {
+                return false;
+            } else {
+                must_load_on_demand = this._openInitialNodes(state.open_nodes);
+                this._selectInitialNodes(state.selected_node);
+                return must_load_on_demand;
+            }
+        };
+
+        SaveStateHandler.prototype._openInitialNodes = function(node_ids) {
+            var i, len, must_load_on_demand, node, node_id;
+            must_load_on_demand = false;
+            for (i = 0, len = node_ids.length; i < len; i++) {
+                node_id = node_ids[i];
+                node = this.tree_widget.getNodeById(node_id);
+                if (node) {
+                    if (!node.load_on_demand) {
+                        node.is_open = true;
+                    } else {
+                        must_load_on_demand = true;
+                    }
+                }
+            }
+            return must_load_on_demand;
+        };
+
+        SaveStateHandler.prototype._selectInitialNodes = function(node_ids) {
+            var i, len, node, node_id, select_count;
+            select_count = 0;
+            for (i = 0, len = node_ids.length; i < len; i++) {
+                node_id = node_ids[i];
+                node = this.tree_widget.getNodeById(node_id);
+                if (node) {
+                    select_count += 1;
+                    this.tree_widget.select_node_handler.addToSelection(node);
+                }
+            }
+            return select_count !== 0;
+        };
+
+        SaveStateHandler.prototype.setInitialStateOnDemand = function(state, cb_finished) {
+            if (state) {
+                return this._setInitialStateOnDemand(state.open_nodes, state.selected_node, cb_finished);
+            } else {
+                return cb_finished();
+            }
+        };
+
+        SaveStateHandler.prototype._setInitialStateOnDemand = function(node_ids, selected_nodes, cb_finished) {
+            var loadAndOpenNode, loading_count, openNodes;
+            loading_count = 0;
+            openNodes = (function(_this) {
+                return function() {
+                    var i, len, new_nodes_ids, node, node_id;
+                    new_nodes_ids = [];
+                    for (i = 0, len = node_ids.length; i < len; i++) {
+                        node_id = node_ids[i];
+                        node = _this.tree_widget.getNodeById(node_id);
+                        if (!node) {
+                            new_nodes_ids.push(node_id);
+                        } else {
+                            if (!node.is_loading) {
+                                if (node.load_on_demand) {
+                                    loadAndOpenNode(node);
+                                } else {
+                                    _this.tree_widget._openNode(node, false);
+                                }
+                            }
+                        }
+                    }
+                    node_ids = new_nodes_ids;
+                    if (_this._selectInitialNodes(selected_nodes)) {
+                        _this.tree_widget._refreshElements();
+                    }
+                    if (loading_count === 0) {
+                        return cb_finished();
+                    }
+                };
+            })(this);
+            loadAndOpenNode = (function(_this) {
+                return function(node) {
+                    loading_count += 1;
+                    return _this.tree_widget._openNode(node, false, function() {
+                        loading_count -= 1;
+                        return openNodes();
+                    });
+                };
+            })(this);
+            return openNodes();
+        };
+
+        SaveStateHandler.prototype.getCookieName = function() {
+            if (typeof this.tree_widget.options.saveState === 'string') {
+                return this.tree_widget.options.saveState;
+            } else {
+                return 'tree';
+            }
+        };
+
+        SaveStateHandler.prototype.supportsLocalStorage = function() {
+            var testSupport;
+            testSupport = function() {
+                var error, key;
+                if (typeof localStorage === "undefined" || localStorage === null) {
+                    return false;
+                } else {
+                    try {
+                        key = '_storage_test';
+                        sessionStorage.setItem(key, true);
+                        sessionStorage.removeItem(key);
+                    } catch (error1) {
+                        error = error1;
+                        return false;
+                    }
+                    return true;
+                }
+            };
+            if (this._supportsLocalStorage == null) {
+                this._supportsLocalStorage = testSupport();
+            }
+            return this._supportsLocalStorage;
+        };
+
+        SaveStateHandler.prototype.getNodeIdToBeSelected = function() {
+            var state;
+            state = this.getStateFromStorage();
+            if (state && state.selected_node) {
+                return state.selected_node[0];
+            } else {
+                return null;
+            }
+        };
+
+        return SaveStateHandler;
+
+    })();
+
+    module.exports = SaveStateHandler;
+
+},{"./util":12}],8:[function(require,module,exports){
+    var $, ScrollHandler;
+
+    $ = jQuery;
+
+    ScrollHandler = (function() {
+        function ScrollHandler(tree_widget) {
+            this.tree_widget = tree_widget;
+            this.previous_top = -1;
+            this.is_initialized = false;
+            this._initScrollParent();
+        }
+
+        ScrollHandler.prototype._initScrollParent = function() {
+            var $scroll_parent, getParentWithOverflow, setDocumentAsScrollParent;
+            getParentWithOverflow = (function(_this) {
+                return function() {
+                    var css_values, el, hasOverFlow, i, len, ref;
+                    css_values = ['overflow', 'overflow-y'];
+                    hasOverFlow = function(el) {
+                        var css_value, i, len, ref;
+                        for (i = 0, len = css_values.length; i < len; i++) {
+                            css_value = css_values[i];
+                            if ((ref = $.css(el, css_value)) === 'auto' || ref === 'scroll') {
+                                return true;
+                            }
+                        }
+                        return false;
+                    };
+                    if (hasOverFlow(_this.tree_widget.$el[0])) {
+                        return _this.tree_widget.$el;
+                    }
+                    ref = _this.tree_widget.$el.parents();
+                    for (i = 0, len = ref.length; i < len; i++) {
+                        el = ref[i];
+                        if (hasOverFlow(el)) {
+                            return $(el);
+                        }
+                    }
+                    return null;
+                };
+            })(this);
+            setDocumentAsScrollParent = (function(_this) {
+                return function() {
+                    _this.scroll_parent_top = 0;
+                    return _this.$scroll_parent = null;
+                };
+            })(this);
+            if (this.tree_widget.$el.css('position') === 'fixed') {
+                setDocumentAsScrollParent();
+            }
+            $scroll_parent = getParentWithOverflow();
+            if ($scroll_parent && $scroll_parent.length && $scroll_parent[0].tagName !== 'HTML') {
+                this.$scroll_parent = $scroll_parent;
+                this.scroll_parent_top = this.$scroll_parent.offset().top;
+            } else {
+                setDocumentAsScrollParent();
+            }
+            return this.is_initialized = true;
+        };
+
+        ScrollHandler.prototype._ensureInit = function() {
+            if (!this.is_initialized) {
+                return this._initScrollParent();
+            }
+        };
+
+        ScrollHandler.prototype.checkScrolling = function() {
+            var hovered_area;
+            this._ensureInit();
+            hovered_area = this.tree_widget.dnd_handler.hovered_area;
+            if (hovered_area && hovered_area.top !== this.previous_top) {
+                this.previous_top = hovered_area.top;
+                if (this.$scroll_parent) {
+                    return this._handleScrollingWithScrollParent(hovered_area);
+                } else {
+                    return this._handleScrollingWithDocument(hovered_area);
+                }
+            }
+        };
+
+        ScrollHandler.prototype._handleScrollingWithScrollParent = function(area) {
+            var distance_bottom;
+            distance_bottom = this.scroll_parent_top + this.$scroll_parent[0].offsetHeight - area.bottom;
+            if (distance_bottom < 20) {
+                this.$scroll_parent[0].scrollTop += 20;
+                this.tree_widget.refreshHitAreas();
+                return this.previous_top = -1;
+            } else if ((area.top - this.scroll_parent_top) < 20) {
+                this.$scroll_parent[0].scrollTop -= 20;
+                this.tree_widget.refreshHitAreas();
+                return this.previous_top = -1;
+            }
+        };
+
+        ScrollHandler.prototype._handleScrollingWithDocument = function(area) {
+            var distance_top;
+            distance_top = area.top - $(document).scrollTop();
+            if (distance_top < 20) {
+                return $(document).scrollTop($(document).scrollTop() - 20);
+            } else if ($(window).height() - (area.bottom - $(document).scrollTop()) < 20) {
+                return $(document).scrollTop($(document).scrollTop() + 20);
+            }
+        };
+
+        ScrollHandler.prototype.scrollTo = function(top) {
+            var tree_top;
+            this._ensureInit();
+            if (this.$scroll_parent) {
+                return this.$scroll_parent[0].scrollTop = top;
+            } else {
+                tree_top = this.tree_widget.$el.offset().top;
+                return $(document).scrollTop(top + tree_top);
+            }
+        };
+
+        ScrollHandler.prototype.isScrolledIntoView = function(element) {
+            var $element, element_bottom, element_top, view_bottom, view_top;
+            this._ensureInit();
+            $element = $(element);
+            if (this.$scroll_parent) {
+                view_top = 0;
+                view_bottom = this.$scroll_parent.height();
+                element_top = $element.offset().top - this.scroll_parent_top;
+                element_bottom = element_top + $element.height();
+            } else {
+                view_top = $(window).scrollTop();
+                view_bottom = view_top + $(window).height();
+                element_top = $element.offset().top;
+                element_bottom = element_top + $element.height();
+            }
+            return (element_bottom <= view_bottom) && (element_top >= view_top);
+        };
+
+        return ScrollHandler;
+
+    })();
+
+    module.exports = ScrollHandler;
+
+},{}],9:[function(require,module,exports){
+    var $, SelectNodeHandler;
+
+    $ = jQuery;
+
+    SelectNodeHandler = (function() {
+        function SelectNodeHandler(tree_widget) {
+            this.tree_widget = tree_widget;
+            this.clear();
+        }
+
+        SelectNodeHandler.prototype.getSelectedNode = function() {
+            var selected_nodes;
+            selected_nodes = this.getSelectedNodes();
+            if (selected_nodes.length) {
+                return selected_nodes[0];
+            } else {
+                return false;
+            }
+        };
+
+        SelectNodeHandler.prototype.getSelectedNodes = function() {
+            var id, node, selected_nodes;
+            if (this.selected_single_node) {
+                return [this.selected_single_node];
+            } else {
+                selected_nodes = [];
+                for (id in this.selected_nodes) {
+                    node = this.tree_widget.getNodeById(id);
+                    if (node) {
+                        selected_nodes.push(node);
+                    }
+                }
+                return selected_nodes;
+            }
+        };
+
+        SelectNodeHandler.prototype.getSelectedNodesUnder = function(parent) {
+            var id, node, selected_nodes;
+            if (this.selected_single_node) {
+                if (parent.isParentOf(this.selected_single_node)) {
+                    return [this.selected_single_node];
+                } else {
+                    return [];
+                }
+            } else {
+                selected_nodes = [];
+                for (id in this.selected_nodes) {
+                    node = this.tree_widget.getNodeById(id);
+                    if (node && parent.isParentOf(node)) {
+                        selected_nodes.push(node);
+                    }
+                }
+                return selected_nodes;
+            }
+        };
+
+        SelectNodeHandler.prototype.isNodeSelected = function(node) {
+            if (!node) {
+                return false;
+            } else if (node.id) {
+                if (this.selected_nodes[node.id]) {
+                    return true;
+                } else {
+                    return false;
+                }
+            } else if (this.selected_single_node) {
+                return this.selected_single_node.element === node.element;
+            } else {
+                return false;
+            }
+        };
+
+        SelectNodeHandler.prototype.clear = function() {
+            this.selected_nodes = {};
+            return this.selected_single_node = null;
+        };
+
+        SelectNodeHandler.prototype.removeFromSelection = function(node, include_children) {
+            if (include_children == null) {
+                include_children = false;
+            }
+            if (!node.id) {
+                if (this.selected_single_node && node.element === this.selected_single_node.element) {
+                    return this.selected_single_node = null;
+                }
+            } else {
+                delete this.selected_nodes[node.id];
+                if (include_children) {
+                    return node.iterate((function(_this) {
+                        return function(n) {
+                            delete _this.selected_nodes[node.id];
+                            return true;
+                        };
+                    })(this));
+                }
+            }
+        };
+
+        SelectNodeHandler.prototype.addToSelection = function(node) {
+            if (node.id) {
+                return this.selected_nodes[node.id] = true;
+            } else {
+                return this.selected_single_node = node;
+            }
+        };
+
+        return SelectNodeHandler;
+
+    })();
+
+    module.exports = SelectNodeHandler;
+
+},{}],10:[function(require,module,exports){
+
+    /*
+     Copyright 2013 Marco Braak
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+     */
+    var $, SimpleWidget,
+        slice = [].slice;
+
+    $ = jQuery;
+
+    SimpleWidget = (function() {
+        SimpleWidget.prototype.defaults = {};
+
+        function SimpleWidget(el, options) {
+            this.$el = $(el);
+            this.options = $.extend({}, this.defaults, options);
+        }
+
+        SimpleWidget.prototype.destroy = function() {
+            return this._deinit();
+        };
+
+        SimpleWidget.prototype._init = function() {
+            return null;
+        };
+
+        SimpleWidget.prototype._deinit = function() {
+            return null;
+        };
+
+        SimpleWidget.register = function(widget_class, widget_name) {
+            var callFunction, createWidget, destroyWidget, getDataKey, getWidgetData;
+            getDataKey = function() {
+                return "simple_widget_" + widget_name;
+            };
+            getWidgetData = function(el, data_key) {
+                var widget;
+                widget = $.data(el, data_key);
+                if (widget && (widget instanceof SimpleWidget)) {
+                    return widget;
+                } else {
+                    return null;
+                }
+            };
+            createWidget = function($el, options) {
+                var data_key, el, existing_widget, i, len, widget;
+                data_key = getDataKey();
+                for (i = 0, len = $el.length; i < len; i++) {
+                    el = $el[i];
+                    existing_widget = getWidgetData(el, data_key);
+                    if (!existing_widget) {
+                        widget = new widget_class(el, options);
+                        if (!$.data(el, data_key)) {
+                            $.data(el, data_key, widget);
+                        }
+                        widget._init();
+                    }
+                }
+                return $el;
+            };
+            destroyWidget = function($el) {
+                var data_key, el, i, len, results, widget;
+                data_key = getDataKey();
+                results = [];
+                for (i = 0, len = $el.length; i < len; i++) {
+                    el = $el[i];
+                    widget = getWidgetData(el, data_key);
+                    if (widget) {
+                        widget.destroy();
+                    }
+                    results.push($.removeData(el, data_key));
+                }
+                return results;
+            };
+            callFunction = function($el, function_name, args) {
+                var el, i, len, result, widget, widget_function;
+                result = null;
+                for (i = 0, len = $el.length; i < len; i++) {
+                    el = $el[i];
+                    widget = $.data(el, getDataKey());
+                    if (widget && (widget instanceof SimpleWidget)) {
+                        widget_function = widget[function_name];
+                        if (widget_function && (typeof widget_function === 'function')) {
+                            result = widget_function.apply(widget, args);
+                        }
+                    }
+                }
+                return result;
+            };
+            return $.fn[widget_name] = function() {
+                var $el, args, argument1, function_name, options;
+                argument1 = arguments[0], args = 2 <= arguments.length ? slice.call(arguments, 1) : [];
+                $el = this;
+                if (argument1 === void 0 || typeof argument1 === 'object') {
+                    options = argument1;
+                    return createWidget($el, options);
+                } else if (typeof argument1 === 'string' && argument1[0] !== '_') {
+                    function_name = argument1;
+                    if (function_name === 'destroy') {
+                        return destroyWidget($el);
+                    } else if (function_name === 'get_widget_class') {
+                        return widget_class;
+                    } else {
+                        return callFunction($el, function_name, args);
+                    }
+                }
+            };
+        };
+
+        return SimpleWidget;
+
+    })();
+
+    module.exports = SimpleWidget;
+
+},{}],11:[function(require,module,exports){
+    var $, BorderDropHint, DragAndDropHandler, DragElement, ElementsRenderer, FolderElement, GhostDropHint, HitAreasGenerator, JqTreeWidget, KeyHandler, MouseWidget, Node, NodeElement, Position, SaveStateHandler, ScrollHandler, SelectNodeHandler, SimpleWidget, __version__, drag_and_drop_handler, node_module, ref, util_module,
+        extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+        hasProp = {}.hasOwnProperty;
+
+    __version__ = require('./version');
+
+    drag_and_drop_handler = require('./drag_and_drop_handler');
+
+    ElementsRenderer = require('./elements_renderer');
+
+    KeyHandler = require('./key_handler');
+
+    MouseWidget = require('./mouse.widget');
+
+    SaveStateHandler = require('./save_state_handler');
+
+    ScrollHandler = require('./scroll_handler');
+
+    SelectNodeHandler = require('./select_node_handler');
+
+    SimpleWidget = require('./simple.widget');
+
+    node_module = require('./node');
+
+    Node = node_module.Node;
+
+    Position = node_module.Position;
+
+    util_module = require('./util');
+
+    ref = require('./node_element'), BorderDropHint = ref.BorderDropHint, FolderElement = ref.FolderElement, GhostDropHint = ref.GhostDropHint, NodeElement = ref.NodeElement;
+
+    DragAndDropHandler = drag_and_drop_handler.DragAndDropHandler, DragElement = drag_and_drop_handler.DragElement, HitAreasGenerator = drag_and_drop_handler.HitAreasGenerator;
+
+    $ = jQuery;
+
+    JqTreeWidget = (function(superClass) {
+        extend(JqTreeWidget, superClass);
+
+        function JqTreeWidget() {
+            return JqTreeWidget.__super__.constructor.apply(this, arguments);
+        }
+
+        JqTreeWidget.prototype.BorderDropHint = BorderDropHint;
+
+        JqTreeWidget.prototype.DragElement = DragElement;
+
+        JqTreeWidget.prototype.DragAndDropHandler = DragAndDropHandler;
+
+        JqTreeWidget.prototype.ElementsRenderer = ElementsRenderer;
+
+        JqTreeWidget.prototype.GhostDropHint = GhostDropHint;
+
+        JqTreeWidget.prototype.HitAreasGenerator = HitAreasGenerator;
+
+        JqTreeWidget.prototype.Node = Node;
+
+        JqTreeWidget.prototype.SaveStateHandler = SaveStateHandler;
+
+        JqTreeWidget.prototype.ScrollHandler = ScrollHandler;
+
+        JqTreeWidget.prototype.SelectNodeHandler = SelectNodeHandler;
+
+        JqTreeWidget.prototype.defaults = {
+            autoOpen: false,
+            saveState: false,
+            dragAndDrop: false,
+            selectable: true,
+            useContextMenu: true,
+            onCanSelectNode: null,
+            onSetStateFromStorage: null,
+            onGetStateFromStorage: null,
+            onCreateLi: null,
+            onIsMoveHandle: null,
+            onCanMove: null,
+            onCanMoveTo: null,
+            onLoadFailed: null,
+            autoEscape: true,
+            dataUrl: null,
+            closedIcon: null,
+            openedIcon: '&#x25bc;',
+            slide: true,
+            nodeClass: Node,
+            dataFilter: null,
+            keyboardSupport: true,
+            openFolderDelay: 500,
+            rtl: null,
+            onDragMove: null,
+            onDragStop: null,
+            buttonLeft: true,
+            onLoading: null
+        };
+
+        JqTreeWidget.prototype.toggle = function(node, slide) {
+            if (slide == null) {
+                slide = null;
+            }
+            if (slide === null) {
+                slide = this.options.slide;
+            }
+            if (node.is_open) {
+                this.closeNode(node, slide);
+            } else {
+                this.openNode(node, slide);
+            }
+            return this.element;
+        };
+
+        JqTreeWidget.prototype.getTree = function() {
+            return this.tree;
+        };
+
+        JqTreeWidget.prototype.selectNode = function(node) {
+            this._selectNode(node, false);
+            return this.element;
+        };
+
+        JqTreeWidget.prototype._selectNode = function(node, must_toggle) {
+            var canSelect, deselected_node, openParents, saveState;
+            if (must_toggle == null) {
+                must_toggle = false;
+            }
+            if (!this.select_node_handler) {
+                return;
+            }
+            canSelect = (function(_this) {
+                return function() {
+                    if (_this.options.onCanSelectNode) {
+                        return _this.options.selectable && _this.options.onCanSelectNode(node);
+                    } else {
+                        return _this.options.selectable;
+                    }
+                };
+            })(this);
+            openParents = (function(_this) {
+                return function() {
+                    var parent;
+                    parent = node.parent;
+                    if (parent && parent.parent && !parent.is_open) {
+                        return _this.openNode(parent, false);
+                    }
+                };
+            })(this);
+            saveState = (function(_this) {
+                return function() {
+                    if (_this.options.saveState) {
+                        return _this.save_state_handler.saveState();
+                    }
+                };
+            })(this);
+            if (!node) {
+                this._deselectCurrentNode();
+                saveState();
+                return;
+            }
+            if (!canSelect()) {
+                return;
+            }
+            if (this.select_node_handler.isNodeSelected(node)) {
+                if (must_toggle) {
+                    this._deselectCurrentNode();
+                    this._triggerEvent('tree.select', {
+                        node: null,
+                        previous_node: node
+                    });
+                }
+            } else {
+                deselected_node = this.getSelectedNode();
+                this._deselectCurrentNode();
+                this.addToSelection(node);
+                this._triggerEvent('tree.select', {
+                    node: node,
+                    deselected_node: deselected_node
+                });
+                openParents();
+            }
+            return saveState();
+        };
+
+        JqTreeWidget.prototype.getSelectedNode = function() {
+            if (this.select_node_handler) {
+                return this.select_node_handler.getSelectedNode();
+            } else {
+                return null;
+            }
+        };
+
+        JqTreeWidget.prototype.toJson = function() {
+            return JSON.stringify(this.tree.getData());
+        };
+
+        JqTreeWidget.prototype.loadData = function(data, parent_node) {
+            this._loadData(data, parent_node);
+            return this.element;
+        };
+
+
+        /*
+         signatures:
+         - loadDataFromUrl(url, parent_node=null, on_finished=null)
+         loadDataFromUrl('/my_data');
+         loadDataFromUrl('/my_data', node1);
+         loadDataFromUrl('/my_data', node1, function() { console.log('finished'); });
+         loadDataFromUrl('/my_data', null, function() { console.log('finished'); });
+
+         - loadDataFromUrl(parent_node=null, on_finished=null)
+         loadDataFromUrl();
+         loadDataFromUrl(node1);
+         loadDataFromUrl(null, function() { console.log('finished'); });
+         loadDataFromUrl(node1, function() { console.log('finished'); });
+         */
+
+        JqTreeWidget.prototype.loadDataFromUrl = function(param1, param2, param3) {
+            if ($.type(param1) === 'string') {
+                this._loadDataFromUrl(param1, param2, param3);
+            } else {
+                this._loadDataFromUrl(null, param1, param2);
+            }
+            return this.element;
+        };
+
+        JqTreeWidget.prototype.reload = function(on_finished) {
+            this._loadDataFromUrl(null, null, on_finished);
+            return this.element;
+        };
+
+        JqTreeWidget.prototype._loadDataFromUrl = function(url_info, parent_node, on_finished) {
+            var $el, addLoadingClass, handeLoadData, handleError, handleSuccess, loadDataFromUrlInfo, parseUrlInfo, removeLoadingClass;
+            $el = null;
+            addLoadingClass = (function(_this) {
+                return function() {
+                    if (parent_node) {
+                        $el = $(parent_node.element);
+                    } else {
+                        $el = _this.element;
+                    }
+                    $el.addClass('jqtree-loading');
+                    return _this._notifyLoading(true, parent_node, $el);
+                };
+            })(this);
+            removeLoadingClass = (function(_this) {
+                return function() {
+                    if ($el) {
+                        $el.removeClass('jqtree-loading');
+                        return _this._notifyLoading(false, parent_node, $el);
+                    }
+                };
+            })(this);
+            parseUrlInfo = function() {
+                if ($.type(url_info) === 'string') {
+                    return {
+                        url: url_info
+                    };
+                }
+                if (!url_info.method) {
+                    url_info.method = 'get';
+                }
+                return url_info;
+            };
+            handeLoadData = (function(_this) {
+                return function(data) {
+                    removeLoadingClass();
+                    _this._loadData(data, parent_node);
+                    if (on_finished && $.isFunction(on_finished)) {
+                        return on_finished();
+                    }
+                };
+            })(this);
+            handleSuccess = (function(_this) {
+                return function(response) {
+                    var data;
+                    if ($.isArray(response) || typeof response === 'object') {
+                        data = response;
+                    } else if (data != null) {
+                        data = $.parseJSON(response);
+                    } else {
+                        data = [];
+                    }
+                    if (_this.options.dataFilter) {
+                        data = _this.options.dataFilter(data);
+                    }
+                    return handeLoadData(data);
+                };
+            })(this);
+            handleError = (function(_this) {
+                return function(response) {
+                    removeLoadingClass();
+                    if (_this.options.onLoadFailed) {
+                        return _this.options.onLoadFailed(response);
+                    }
+                };
+            })(this);
+            loadDataFromUrlInfo = function() {
+                url_info = parseUrlInfo();
+                return $.ajax($.extend({}, url_info, {
+                    method: url_info.method != null ? url_info.method.toUpperCase() : 'GET',
+                    cache: false,
+                    dataType: 'json',
+                    success: handleSuccess,
+                    error: handleError
+                }));
+            };
+            if (!url_info) {
+                url_info = this._getDataUrlInfo(parent_node);
+            }
+            addLoadingClass();
+            if (!url_info) {
+                removeLoadingClass();
+            } else if ($.isArray(url_info)) {
+                handeLoadData(url_info);
+            } else {
+                loadDataFromUrlInfo();
+            }
+        };
+
+        JqTreeWidget.prototype._loadData = function(data, parent_node) {
+            var deselectNodes, loadSubtree;
+            if (parent_node == null) {
+                parent_node = null;
+            }
+            deselectNodes = (function(_this) {
+                return function() {
+                    var i, len, n, selected_nodes_under_parent;
+                    if (_this.select_node_handler) {
+                        selected_nodes_under_parent = _this.select_node_handler.getSelectedNodesUnder(parent_node);
+                        for (i = 0, len = selected_nodes_under_parent.length; i < len; i++) {
+                            n = selected_nodes_under_parent[i];
+                            _this.select_node_handler.removeFromSelection(n);
+                        }
+                    }
+                    return null;
+                };
+            })(this);
+            loadSubtree = (function(_this) {
+                return function() {
+                    parent_node.loadFromData(data);
+                    parent_node.load_on_demand = false;
+                    parent_node.is_loading = false;
+                    return _this._refreshElements(parent_node);
+                };
+            })(this);
+            if (!data) {
+                return;
+            }
+            this._triggerEvent('tree.load_data', {
+                tree_data: data
+            });
+            if (!parent_node) {
+                this._initTree(data);
+            } else {
+                deselectNodes();
+                loadSubtree();
+            }
+            if (this.isDragging()) {
+                return this.dnd_handler.refresh();
+            }
+        };
+
+        JqTreeWidget.prototype.getNodeById = function(node_id) {
+            return this.tree.getNodeById(node_id);
+        };
+
+        JqTreeWidget.prototype.getNodeByName = function(name) {
+            return this.tree.getNodeByName(name);
+        };
+
+        JqTreeWidget.prototype.getNodesByProperty = function(key, value) {
+            return this.tree.getNodesByProperty(key, value);
+        };
+
+        JqTreeWidget.prototype.getNodeByHtmlElement = function(element) {
+            return this._getNode($(element));
+        };
+
+        JqTreeWidget.prototype.getNodeByCallback = function(callback) {
+            return this.tree.getNodeByCallback(callback);
+        };
+
+        JqTreeWidget.prototype.openNode = function(node, slide) {
+            if (slide == null) {
+                slide = null;
+            }
+            if (node) {
+                if (slide === null) {
+                    slide = this.options.slide;
+                }
+                this._openNode(node, slide);
+            }
+            return this.element;
+        };
+
+        JqTreeWidget.prototype._openNode = function(node, slide, on_finished) {
+            var doOpenNode, parent;
+            if (slide == null) {
+                slide = true;
+            }
+            doOpenNode = (function(_this) {
+                return function(_node, _slide, _on_finished) {
+                    var folder_element;
+                    folder_element = new FolderElement(_node, _this);
+                    return folder_element.open(_on_finished, _slide);
+                };
+            })(this);
+            if (node.isFolder()) {
+                if (node.load_on_demand) {
+                    return this._loadFolderOnDemand(node, slide, on_finished);
+                } else {
+                    parent = node.parent;
+                    while (parent) {
+                        if (parent.parent) {
+                            doOpenNode(parent, false, null);
+                        }
+                        parent = parent.parent;
+                    }
+                    doOpenNode(node, slide, on_finished);
+                    return this._saveState();
+                }
+            }
+        };
+
+        JqTreeWidget.prototype._loadFolderOnDemand = function(node, slide, on_finished) {
+            if (slide == null) {
+                slide = true;
+            }
+            node.is_loading = true;
+            return this._loadDataFromUrl(null, node, (function(_this) {
+                return function() {
+                    return _this._openNode(node, slide, on_finished);
+                };
+            })(this));
+        };
+
+        JqTreeWidget.prototype.closeNode = function(node, slide) {
+            if (slide == null) {
+                slide = null;
+            }
+            if (slide === null) {
+                slide = this.options.slide;
+            }
+            if (node.isFolder()) {
+                new FolderElement(node, this).close(slide);
+                this._saveState();
+            }
+            return this.element;
+        };
+
+        JqTreeWidget.prototype.isDragging = function() {
+            if (this.dnd_handler) {
+                return this.dnd_handler.is_dragging;
+            } else {
+                return false;
+            }
+        };
+
+        JqTreeWidget.prototype.refreshHitAreas = function() {
+            this.dnd_handler.refresh();
+            return this.element;
+        };
+
+        JqTreeWidget.prototype.addNodeAfter = function(new_node_info, existing_node) {
+            var new_node;
+            new_node = existing_node.addAfter(new_node_info);
+            this._refreshElements(existing_node.parent);
+            return new_node;
+        };
+
+        JqTreeWidget.prototype.addNodeBefore = function(new_node_info, existing_node) {
+            var new_node;
+            new_node = existing_node.addBefore(new_node_info);
+            this._refreshElements(existing_node.parent);
+            return new_node;
+        };
+
+        JqTreeWidget.prototype.addParentNode = function(new_node_info, existing_node) {
+            var new_node;
+            new_node = existing_node.addParent(new_node_info);
+            this._refreshElements(new_node.parent);
+            return new_node;
+        };
+
+        JqTreeWidget.prototype.removeNode = function(node) {
+            var parent;
+            parent = node.parent;
+            if (parent) {
+                this.select_node_handler.removeFromSelection(node, true);
+                node.remove();
+                this._refreshElements(parent);
+            }
+            return this.element;
+        };
+
+        JqTreeWidget.prototype.appendNode = function(new_node_info, parent_node) {
+            var node;
+            parent_node = parent_node || this.tree;
+            node = parent_node.append(new_node_info);
+            this._refreshElements(parent_node);
+            return node;
+        };
+
+        JqTreeWidget.prototype.prependNode = function(new_node_info, parent_node) {
+            var node;
+            if (!parent_node) {
+                parent_node = this.tree;
+            }
+            node = parent_node.prepend(new_node_info);
+            this._refreshElements(parent_node);
+            return node;
+        };
+
+        JqTreeWidget.prototype.updateNode = function(node, data) {
+            var id_is_changed;
+            id_is_changed = data.id && data.id !== node.id;
+            if (id_is_changed) {
+                this.tree.removeNodeFromIndex(node);
+            }
+            node.setData(data);
+            if (id_is_changed) {
+                this.tree.addNodeToIndex(node);
+            }
+            if (typeof data === 'object' && data.children) {
+                node.removeChildren();
+                if (data.children.length) {
+                    node.loadFromData(data.children);
+                }
+            }
+            this.renderer.renderFromNode(node);
+            this._selectCurrentNode();
+            return this.element;
+        };
+
+        JqTreeWidget.prototype.moveNode = function(node, target_node, position) {
+            var position_index;
+            position_index = Position.nameToIndex(position);
+            this.tree.moveNode(node, target_node, position_index);
+            this._refreshElements();
+            return this.element;
+        };
+
+        JqTreeWidget.prototype.getStateFromStorage = function() {
+            return this.save_state_handler.getStateFromStorage();
+        };
+
+        JqTreeWidget.prototype.addToSelection = function(node) {
+            if (node) {
+                this.select_node_handler.addToSelection(node);
+                this._getNodeElementForNode(node).select();
+                this._saveState();
+            }
+            return this.element;
+        };
+
+        JqTreeWidget.prototype.getSelectedNodes = function() {
+            return this.select_node_handler.getSelectedNodes();
+        };
+
+        JqTreeWidget.prototype.isNodeSelected = function(node) {
+            return this.select_node_handler.isNodeSelected(node);
+        };
+
+        JqTreeWidget.prototype.removeFromSelection = function(node) {
+            this.select_node_handler.removeFromSelection(node);
+            this._getNodeElementForNode(node).deselect();
+            this._saveState();
+            return this.element;
+        };
+
+        JqTreeWidget.prototype.scrollToNode = function(node) {
+            var $element, top;
+            $element = $(node.element);
+            top = $element.offset().top - this.$el.offset().top;
+            this.scroll_handler.scrollTo(top);
+            return this.element;
+        };
+
+        JqTreeWidget.prototype.getState = function() {
+            return this.save_state_handler.getState();
+        };
+
+        JqTreeWidget.prototype.setState = function(state) {
+            this.save_state_handler.setInitialState(state);
+            this._refreshElements();
+            return this.element;
+        };
+
+        JqTreeWidget.prototype.setOption = function(option, value) {
+            this.options[option] = value;
+            return this.element;
+        };
+
+        JqTreeWidget.prototype.moveDown = function() {
+            if (this.key_handler) {
+                this.key_handler.moveDown();
+            }
+            return this.element;
+        };
+
+        JqTreeWidget.prototype.moveUp = function() {
+            if (this.key_handler) {
+                this.key_handler.moveUp();
+            }
+            return this.element;
+        };
+
+        JqTreeWidget.prototype.getVersion = function() {
+            return __version__;
+        };
+
+        JqTreeWidget.prototype._init = function() {
+            JqTreeWidget.__super__._init.call(this);
+            this.element = this.$el;
+            this.mouse_delay = 300;
+            this.is_initialized = false;
+            this.options.rtl = this._getRtlOption();
+            if (!this.options.closedIcon) {
+                this.options.closedIcon = this._getDefaultClosedIcon();
+            }
+            this.renderer = new ElementsRenderer(this);
+            if (SaveStateHandler != null) {
+                this.save_state_handler = new SaveStateHandler(this);
+            } else {
+                this.options.saveState = false;
+            }
+            if (SelectNodeHandler != null) {
+                this.select_node_handler = new SelectNodeHandler(this);
+            }
+            if (DragAndDropHandler != null) {
+                this.dnd_handler = new DragAndDropHandler(this);
+            } else {
+                this.options.dragAndDrop = false;
+            }
+            if (ScrollHandler != null) {
+                this.scroll_handler = new ScrollHandler(this);
+            }
+            if ((KeyHandler != null) && (SelectNodeHandler != null)) {
+                this.key_handler = new KeyHandler(this);
+            }
+            this._initData();
+            this.element.click($.proxy(this._click, this));
+            this.element.dblclick($.proxy(this._dblclick, this));
+            if (this.options.useContextMenu) {
+                return this.element.bind('contextmenu', $.proxy(this._contextmenu, this));
+            }
+        };
+
+        JqTreeWidget.prototype._deinit = function() {
+            this.element.empty();
+            this.element.unbind();
+            if (this.key_handler) {
+                this.key_handler.deinit();
+            }
+            this.tree = null;
+            return JqTreeWidget.__super__._deinit.call(this);
+        };
+
+        JqTreeWidget.prototype._initData = function() {
+            var data_url;
+            if (this.options.data) {
+                return this._loadData(this.options.data);
+            } else {
+                data_url = this._getDataUrlInfo();
+                if (data_url) {
+                    return this._loadDataFromUrl();
+                } else {
+                    return this._loadData([]);
+                }
+            }
+        };
+
+        JqTreeWidget.prototype._getDataUrlInfo = function(node) {
+            var data_url, getUrlFromString;
+            data_url = this.options.dataUrl || this.element.data('url');
+            getUrlFromString = (function(_this) {
+                return function() {
+                    var data, selected_node_id, url_info;
+                    url_info = {
+                        url: data_url
+                    };
+                    if (node && node.id) {
+                        data = {
+                            node: node.id
+                        };
+                        url_info['data'] = data;
+                    } else {
+                        selected_node_id = _this._getNodeIdToBeSelected();
+                        if (selected_node_id) {
+                            data = {
+                                selected_node: selected_node_id
+                            };
+                            url_info['data'] = data;
+                        }
+                    }
+                    return url_info;
+                };
+            })(this);
+            if ($.isFunction(data_url)) {
+                return data_url(node);
+            } else if ($.type(data_url) === 'string') {
+                return getUrlFromString();
+            } else {
+                return data_url;
+            }
+        };
+
+        JqTreeWidget.prototype._getNodeIdToBeSelected = function() {
+            if (this.options.saveState) {
+                return this.save_state_handler.getNodeIdToBeSelected();
+            } else {
+                return null;
+            }
+        };
+
+        JqTreeWidget.prototype._initTree = function(data) {
+            var doInit, must_load_on_demand;
+            doInit = (function(_this) {
+                return function() {
+                    if (!_this.is_initialized) {
+                        _this.is_initialized = true;
+                        return _this._triggerEvent('tree.init');
+                    }
+                };
+            })(this);
+            this.tree = new this.options.nodeClass(null, true, this.options.nodeClass);
+            if (this.select_node_handler) {
+                this.select_node_handler.clear();
+            }
+            this.tree.loadFromData(data);
+            must_load_on_demand = this._setInitialState();
+            this._refreshElements();
+            if (!must_load_on_demand) {
+                return doInit();
+            } else {
+                return this._setInitialStateOnDemand(doInit);
+            }
+        };
+
+        JqTreeWidget.prototype._setInitialState = function() {
+            var autoOpenNodes, is_restored, must_load_on_demand, ref1, restoreState;
+            restoreState = (function(_this) {
+                return function() {
+                    var must_load_on_demand, state;
+                    if (!(_this.options.saveState && _this.save_state_handler)) {
+                        return [false, false];
+                    } else {
+                        state = _this.save_state_handler.getStateFromStorage();
+                        if (!state) {
+                            return [false, false];
+                        } else {
+                            must_load_on_demand = _this.save_state_handler.setInitialState(state);
+                            return [true, must_load_on_demand];
+                        }
+                    }
+                };
+            })(this);
+            autoOpenNodes = (function(_this) {
+                return function() {
+                    var max_level, must_load_on_demand;
+                    if (_this.options.autoOpen === false) {
+                        return false;
+                    }
+                    max_level = _this._getAutoOpenMaxLevel();
+                    must_load_on_demand = false;
+                    _this.tree.iterate(function(node, level) {
+                        if (node.load_on_demand) {
+                            must_load_on_demand = true;
+                            return false;
+                        } else if (!node.hasChildren()) {
+                            return false;
+                        } else {
+                            node.is_open = true;
+                            return level !== max_level;
+                        }
+                    });
+                    return must_load_on_demand;
+                };
+            })(this);
+            ref1 = restoreState(), is_restored = ref1[0], must_load_on_demand = ref1[1];
+            if (!is_restored) {
+                must_load_on_demand = autoOpenNodes();
+            }
+            return must_load_on_demand;
+        };
+
+        JqTreeWidget.prototype._setInitialStateOnDemand = function(cb_finished) {
+            var autoOpenNodes, restoreState;
+            restoreState = (function(_this) {
+                return function() {
+                    var state;
+                    if (!(_this.options.saveState && _this.save_state_handler)) {
+                        return false;
+                    } else {
+                        state = _this.save_state_handler.getStateFromStorage();
+                        if (!state) {
+                            return false;
+                        } else {
+                            _this.save_state_handler.setInitialStateOnDemand(state, cb_finished);
+                            return true;
+                        }
+                    }
+                };
+            })(this);
+            autoOpenNodes = (function(_this) {
+                return function() {
+                    var loadAndOpenNode, loading_count, max_level, openNodes;
+                    max_level = _this._getAutoOpenMaxLevel();
+                    loading_count = 0;
+                    loadAndOpenNode = function(node) {
+                        loading_count += 1;
+                        return _this._openNode(node, false, function() {
+                            loading_count -= 1;
+                            return openNodes();
+                        });
+                    };
+                    openNodes = function() {
+                        _this.tree.iterate(function(node, level) {
+                            if (node.load_on_demand) {
+                                if (!node.is_loading) {
+                                    loadAndOpenNode(node);
+                                }
+                                return false;
+                            } else {
+                                _this._openNode(node, false);
+                                return level !== max_level;
+                            }
+                        });
+                        if (loading_count === 0) {
+                            return cb_finished();
+                        }
+                    };
+                    return openNodes();
+                };
+            })(this);
+            if (!restoreState()) {
+                return autoOpenNodes();
+            }
+        };
+
+        JqTreeWidget.prototype._getAutoOpenMaxLevel = function() {
+            if (this.options.autoOpen === true) {
+                return -1;
+            } else {
+                return parseInt(this.options.autoOpen);
+            }
+        };
+
+
+        /*
+         Redraw the tree or part of the tree.
+         * from_node: redraw this subtree
+         */
+
+        JqTreeWidget.prototype._refreshElements = function(from_node) {
+            if (from_node == null) {
+                from_node = null;
+            }
+            this.renderer.render(from_node);
+            return this._triggerEvent('tree.refresh');
+        };
+
+        JqTreeWidget.prototype._click = function(e) {
+            var click_target, event, node;
+            click_target = this._getClickTarget(e.target);
+            if (click_target) {
+                if (click_target.type === 'button') {
+                    this.toggle(click_target.node, this.options.slide);
+                    e.preventDefault();
+                    return e.stopPropagation();
+                } else if (click_target.type === 'label') {
+                    node = click_target.node;
+                    event = this._triggerEvent('tree.click', {
+                        node: node,
+                        click_event: e
+                    });
+                    if (!event.isDefaultPrevented()) {
+                        return this._selectNode(node, true);
+                    }
+                }
+            }
+        };
+
+        JqTreeWidget.prototype._dblclick = function(e) {
+            var click_target;
+            click_target = this._getClickTarget(e.target);
+            if (click_target && click_target.type === 'label') {
+                return this._triggerEvent('tree.dblclick', {
+                    node: click_target.node,
+                    click_event: e
+                });
+            }
+        };
+
+        JqTreeWidget.prototype._getClickTarget = function(element) {
+            var $button, $el, $target, node;
+            $target = $(element);
+            $button = $target.closest('.jqtree-toggler');
+            if ($button.length) {
+                node = this._getNode($button);
+                if (node) {
+                    return {
+                        type: 'button',
+                        node: node
+                    };
+                }
+            } else {
+                $el = $target.closest('.jqtree-element');
+                if ($el.length) {
+                    node = this._getNode($el);
+                    if (node) {
+                        return {
+                            type: 'label',
+                            node: node
+                        };
+                    }
+                }
+            }
+            return null;
+        };
+
+        JqTreeWidget.prototype._getNode = function($element) {
+            var $li;
+            $li = $element.closest('li.jqtree_common');
+            if ($li.length === 0) {
+                return null;
+            } else {
+                return $li.data('node');
+            }
+        };
+
+        JqTreeWidget.prototype._getNodeElementForNode = function(node) {
+            if (node.isFolder()) {
+                return new FolderElement(node, this);
+            } else {
+                return new NodeElement(node, this);
+            }
+        };
+
+        JqTreeWidget.prototype._getNodeElement = function($element) {
+            var node;
+            node = this._getNode($element);
+            if (node) {
+                return this._getNodeElementForNode(node);
+            } else {
+                return null;
+            }
+        };
+
+        JqTreeWidget.prototype._contextmenu = function(e) {
+            var $div, node;
+            $div = $(e.target).closest('ul.jqtree-tree .jqtree-element');
+            if ($div.length) {
+                node = this._getNode($div);
+                if (node) {
+                    e.preventDefault();
+                    e.stopPropagation();
+                    this._triggerEvent('tree.contextmenu', {
+                        node: node,
+                        click_event: e
+                    });
+                    return false;
+                }
+            }
+        };
+
+        JqTreeWidget.prototype._saveState = function() {
+            if (this.options.saveState) {
+                return this.save_state_handler.saveState();
+            }
+        };
+
+        JqTreeWidget.prototype._mouseCapture = function(position_info) {
+            if (this.options.dragAndDrop) {
+                return this.dnd_handler.mouseCapture(position_info);
+            } else {
+                return false;
+            }
+        };
+
+        JqTreeWidget.prototype._mouseStart = function(position_info) {
+            if (this.options.dragAndDrop) {
+                return this.dnd_handler.mouseStart(position_info);
+            } else {
+                return false;
+            }
+        };
+
+        JqTreeWidget.prototype._mouseDrag = function(position_info) {
+            var result;
+            if (this.options.dragAndDrop) {
+                result = this.dnd_handler.mouseDrag(position_info);
+                if (this.scroll_handler) {
+                    this.scroll_handler.checkScrolling();
+                }
+                return result;
+            } else {
+                return false;
+            }
+        };
+
+        JqTreeWidget.prototype._mouseStop = function(position_info) {
+            if (this.options.dragAndDrop) {
+                return this.dnd_handler.mouseStop(position_info);
+            } else {
+                return false;
+            }
+        };
+
+        JqTreeWidget.prototype._triggerEvent = function(event_name, values) {
+            var event;
+            event = $.Event(event_name);
+            $.extend(event, values);
+            this.element.trigger(event);
+            return event;
+        };
+
+        JqTreeWidget.prototype.testGenerateHitAreas = function(moving_node) {
+            this.dnd_handler.current_item = this._getNodeElementForNode(moving_node);
+            this.dnd_handler.generateHitAreas();
+            return this.dnd_handler.hit_areas;
+        };
+
+        JqTreeWidget.prototype._selectCurrentNode = function() {
+            var node, node_element;
+            node = this.getSelectedNode();
+            if (node) {
+                node_element = this._getNodeElementForNode(node);
+                if (node_element) {
+                    return node_element.select();
+                }
+            }
+        };
+
+        JqTreeWidget.prototype._deselectCurrentNode = function() {
+            var node;
+            node = this.getSelectedNode();
+            if (node) {
+                return this.removeFromSelection(node);
+            }
+        };
+
+        JqTreeWidget.prototype._getDefaultClosedIcon = function() {
+            if (this.options.rtl) {
+                return '&#x25c0;';
+            } else {
+                return '&#x25ba;';
+            }
+        };
+
+        JqTreeWidget.prototype._getRtlOption = function() {
+            var data_rtl;
+            if (this.options.rtl !== null) {
+                return this.options.rtl;
+            } else {
+                data_rtl = this.element.data('rtl');
+                if ((data_rtl != null) && data_rtl !== false) {
+                    return true;
+                } else {
+                    return false;
+                }
+            }
+        };
+
+        JqTreeWidget.prototype._notifyLoading = function(is_loading, node, $el) {
+            if (this.options.onLoading) {
+                return this.options.onLoading(is_loading, node, $el);
+            }
+        };
+
+        return JqTreeWidget;
+
+    })(MouseWidget);
+
+    JqTreeWidget.getModule = function(name) {
+        var modules;
+        modules = {
+            'node': node_module,
+            'util': util_module,
+            'drag_and_drop_handler': drag_and_drop_handler
+        };
+        return modules[name];
+    };
+
+    SimpleWidget.register(JqTreeWidget, 'tree');
+
+},{"./drag_and_drop_handler":1,"./elements_renderer":2,"./key_handler":3,"./mouse.widget":4,"./node":5,"./node_element":6,"./save_state_handler":7,"./scroll_handler":8,"./select_node_handler":9,"./simple.widget":10,"./util":12,"./version":13}],12:[function(require,module,exports){
+    var _indexOf, getBoolString, html_escape, indexOf, isInt;
+
+    _indexOf = function(array, item) {
+        var i, j, len, value;
+        for (i = j = 0, len = array.length; j < len; i = ++j) {
+            value = array[i];
+            if (value === item) {
+                return i;
+            }
+        }
+        return -1;
+    };
+
+    indexOf = function(array, item) {
+        if (array.indexOf) {
+            return array.indexOf(item);
+        } else {
+            return _indexOf(array, item);
+        }
+    };
+
+    isInt = function(n) {
+        return typeof n === 'number' && n % 1 === 0;
+    };
+
+    html_escape = function(string) {
+        return ('' + string).replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;').replace(/'/g, '&#x27;').replace(/\//g, '&#x2F;');
+    };
+
+    getBoolString = function(value) {
+        if (value) {
+            return 'true';
+        } else {
+            return 'false';
+        }
+    };
+
+    module.exports = {
+        _indexOf: _indexOf,
+        getBoolString: getBoolString,
+        html_escape: html_escape,
+        indexOf: indexOf,
+        isInt: isInt
+    };
+
+},{}],13:[function(require,module,exports){
+    module.exports = '1.3.6';
+
+},{}]},{},[11]);
+\ No newline at end of file