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/**
 * ### Contextmenu plugin
 *
 * Shows a context menu when a node is right-clicked.
 */
/*globals jQuery, define, exports, require, document */
(function (factory) {
        "use strict";
        if (typeof define === 'function' && define.amd) {
                define('jstree.contextmenu', ['jquery','jstree'], factory);
        }
        else if(typeof exports === 'object') {
                factory(require('jquery'), require('jstree'));
        }
        else {
                factory(jQuery, jQuery.jstree);
        }
}(function ($, jstree, undefined) {
        "use strict";

        if($.jstree.plugins.contextmenu) { return; }

        /**
         * stores all defaults for the contextmenu plugin
         * @name $.jstree.defaults.contextmenu
         * @plugin contextmenu
         */
        $.jstree.defaults.contextmenu = {
                /**
                 * a boolean indicating if the node should be selected when the context menu is invoked on it. Defaults to `true`.
                 * @name $.jstree.defaults.contextmenu.select_node
                 * @plugin contextmenu
                 */
                select_node : true,
                /**
                 * a boolean indicating if the menu should be shown aligned with the node. Defaults to `true`, otherwise the mouse coordinates are used.
                 * @name $.jstree.defaults.contextmenu.show_at_node
                 * @plugin contextmenu
                 */
                show_at_node : true,
                /**
                 * an object of actions, or a function that accepts a node and a callback function and calls the callback function with an object of actions available for that node (you can also return the items too).
                 *
                 * Each action consists of a key (a unique name) and a value which is an object with the following properties (only label and action are required):
                 *
                 * * `separator_before` - a boolean indicating if there should be a separator before this item
                 * * `separator_after` - a boolean indicating if there should be a separator after this item
                 * * `_disabled` - a boolean indicating if this action should be disabled
                 * * `label` - a string - the name of the action (could be a function returning a string)
                 * * `action` - a function to be executed if this item is chosen
                 * * `icon` - a string, can be a path to an icon or a className, if using an image that is in the current directory use a `./` prefix, otherwise it will be detected as a class
                 * * `shortcut` - keyCode which will trigger the action if the menu is open (for example `113` for rename, which equals F2)
                 * * `shortcut_label` - shortcut label (like for example `F2` for rename)
                 *
                 * @name $.jstree.defaults.contextmenu.items
                 * @plugin contextmenu
                 */
                items : function (o, cb) { // Could be an object directly
                        return {
                                "create" : {
                                        "separator_before"      : false,
                                        "separator_after"       : true,
                                        "_disabled"                     : false, //(this.check("create_node", data.reference, {}, "last")),
                                        "label"                         : "Create",
                                        "action"                        : function (data) {
                                                var inst = $.jstree.reference(data.reference),
                                                        obj = inst.get_node(data.reference);
                                                inst.create_node(obj, {}, "last", function (new_node) {
                                                        setTimeout(function () { inst.edit(new_node); },0);
                                                });
                                        }
                                },
                                "rename" : {
                                        "separator_before"      : false,
                                        "separator_after"       : false,
                                        "_disabled"                     : false, //(this.check("rename_node", data.reference, this.get_parent(data.reference), "")),
                                        "label"                         : "Rename",
                                        /*!
                                        "shortcut"                      : 113,
                                        "shortcut_label"        : 'F2',
                                        "icon"                          : "glyphicon glyphicon-leaf",
                                        */
                                        "action"                        : function (data) {
                                                var inst = $.jstree.reference(data.reference),
                                                        obj = inst.get_node(data.reference);
                                                inst.edit(obj);
                                        }
                                },
                                "remove" : {
                                        "separator_before"      : false,
                                        "icon"                          : false,
                                        "separator_after"       : false,
                                        "_disabled"                     : false, //(this.check("delete_node", data.reference, this.get_parent(data.reference), "")),
                                        "label"                         : "Delete",
                                        "action"                        : function (data) {
                                                var inst = $.jstree.reference(data.reference),
                                                        obj = inst.get_node(data.reference);
                                                if(inst.is_selected(obj)) {
                                                        inst.delete_node(inst.get_selected());
                                                }
                                                else {
                                                        inst.delete_node(obj);
                                                }
                                        }
                                },
                                "ccp" : {
                                        "separator_before"      : true,
                                        "icon"                          : false,
                                        "separator_after"       : false,
                                        "label"                         : "Edit",
                                        "action"                        : false,
                                        "submenu" : {
                                                "cut" : {
                                                        "separator_before"      : false,
                                                        "separator_after"       : false,
                                                        "label"                         : "Cut",
                                                        "action"                        : function (data) {
                                                                var inst = $.jstree.reference(data.reference),
                                                                        obj = inst.get_node(data.reference);
                                                                if(inst.is_selected(obj)) {
                                                                        inst.cut(inst.get_top_selected());
                                                                }
                                                                else {
                                                                        inst.cut(obj);
                                                                }
                                                        }
                                                },
                                                "copy" : {
                                                        "separator_before"      : false,
                                                        "icon"                          : false,
                                                        "separator_after"       : false,
                                                        "label"                         : "Copy",
                                                        "action"                        : function (data) {
                                                                var inst = $.jstree.reference(data.reference),
                                                                        obj = inst.get_node(data.reference);
                                                                if(inst.is_selected(obj)) {
                                                                        inst.copy(inst.get_top_selected());
                                                                }
                                                                else {
                                                                        inst.copy(obj);
                                                                }
                                                        }
                                                },
                                                "paste" : {
                                                        "separator_before"      : false,
                                                        "icon"                          : false,
                                                        "_disabled"                     : function (data) {
                                                                return !$.jstree.reference(data.reference).can_paste();
                                                        },
                                                        "separator_after"       : false,
                                                        "label"                         : "Paste",
                                                        "action"                        : function (data) {
                                                                var inst = $.jstree.reference(data.reference),
                                                                        obj = inst.get_node(data.reference);
                                                                inst.paste(obj);
                                                        }
                                                }
                                        }
                                }
                        };
                }
        };

        $.jstree.plugins.contextmenu = function (options, parent) {
                this.bind = function () {
                        parent.bind.call(this);

                        var last_ts = 0, cto = null, ex, ey;
                        this.element
                                .on("contextmenu.jstree", ".jstree-anchor", $.proxy(function (e, data) {
                                                e.preventDefault();
                                                last_ts = e.ctrlKey ? +new Date() : 0;
                                                if(data || cto) {
                                                        last_ts = (+new Date()) + 10000;
                                                }
                                                if(cto) {
                                                        clearTimeout(cto);
                                                }
                                                if(!this.is_loading(e.currentTarget)) {
                                                        this.show_contextmenu(e.currentTarget, e.pageX, e.pageY, e);
                                                }
                                        }, this))
                                .on("click.jstree", ".jstree-anchor", $.proxy(function (e) {
                                                if(this._data.contextmenu.visible && (!last_ts || (+new Date()) - last_ts > 250)) { // work around safari & macOS ctrl+click
                                                        $.vakata.context.hide();
                                                }
                                                last_ts = 0;
                                        }, this))
                                .on("touchstart.jstree", ".jstree-anchor", function (e) {
                                                if(!e.originalEvent || !e.originalEvent.changedTouches || !e.originalEvent.changedTouches[0]) {
                                                        return;
                                                }
                                                ex = e.pageX;
                                                ey = e.pageY;
                                                cto = setTimeout(function () {
                                                        $(e.currentTarget).trigger('contextmenu', true);
                                                }, 750);
                                        })
                                .on('touchmove.vakata.jstree', function (e) {
                                                if(cto && e.originalEvent && e.originalEvent.changedTouches && e.originalEvent.changedTouches[0] && (Math.abs(ex - e.pageX) > 50 || Math.abs(ey - e.pageY) > 50)) {
                                                        clearTimeout(cto);
                                                }
                                        })
                                .on('touchend.vakata.jstree', function (e) {
                                                if(cto) {
                                                        clearTimeout(cto);
                                                }
                                        });

                        /*!
                        if(!('oncontextmenu' in document.body) && ('ontouchstart' in document.body)) {
                                var el = null, tm = null;
                                this.element
                                        .on("touchstart", ".jstree-anchor", function (e) {
                                                el = e.currentTarget;
                                                tm = +new Date();
                                                $(document).one("touchend", function (e) {
                                                        e.target = document.elementFromPoint(e.originalEvent.targetTouches[0].pageX - window.pageXOffset, e.originalEvent.targetTouches[0].pageY - window.pageYOffset);
                                                        e.currentTarget = e.target;
                                                        tm = ((+(new Date())) - tm);
                                                        if(e.target === el && tm > 600 && tm < 1000) {
                                                                e.preventDefault();
                                                                $(el).trigger('contextmenu', e);
                                                        }
                                                        el = null;
                                                        tm = null;
                                                });
                                        });
                        }
                        */
                        $(document).on("context_hide.vakata.jstree", $.proxy(function () { this._data.contextmenu.visible = false; }, this));
                };
                this.teardown = function () {
                        if(this._data.contextmenu.visible) {
                                $.vakata.context.hide();
                        }
                        parent.teardown.call(this);
                };

                /**
                 * prepare and show the context menu for a node
                 * @name show_contextmenu(obj [, x, y])
                 * @param {mixed} obj the node
                 * @param {Number} x the x-coordinate relative to the document to show the menu at
                 * @param {Number} y the y-coordinate relative to the document to show the menu at
                 * @param {Object} e the event if available that triggered the contextmenu
                 * @plugin contextmenu
                 * @trigger show_contextmenu.jstree
                 */
                this.show_contextmenu = function (obj, x, y, e) {
                        obj = this.get_node(obj);
                        if(!obj || obj.id === $.jstree.root) { return false; }
                        var s = this.settings.contextmenu,
                                d = this.get_node(obj, true),
                                a = d.children(".jstree-anchor"),
                                o = false,
                                i = false;
                        if(s.show_at_node || x === undefined || y === undefined) {
                                o = a.offset();
                                x = o.left;
                                y = o.top + this._data.core.li_height;
                        }
                        if(this.settings.contextmenu.select_node && !this.is_selected(obj)) {
                                this.activate_node(obj, e);
                        }

                        i = s.items;
                        if($.isFunction(i)) {
                                i = i.call(this, obj, $.proxy(function (i) {
                                        this._show_contextmenu(obj, x, y, i);
                                }, this));
                        }
                        if($.isPlainObject(i)) {
                                this._show_contextmenu(obj, x, y, i);
                        }
                };
                /**
                 * show the prepared context menu for a node
                 * @name _show_contextmenu(obj, x, y, i)
                 * @param {mixed} obj the node
                 * @param {Number} x the x-coordinate relative to the document to show the menu at
                 * @param {Number} y the y-coordinate relative to the document to show the menu at
                 * @param {Number} i the object of items to show
                 * @plugin contextmenu
                 * @trigger show_contextmenu.jstree
                 * @private
                 */
                this._show_contextmenu = function (obj, x, y, i) {
                        var d = this.get_node(obj, true),
                                a = d.children(".jstree-anchor");
                        $(document).one("context_show.vakata.jstree", $.proxy(function (e, data) {
                                var cls = 'jstree-contextmenu jstree-' + this.get_theme() + '-contextmenu';
                                $(data.element).addClass(cls);
                        }, this));
                        this._data.contextmenu.visible = true;
                        $.vakata.context.show(a, { 'x' : x, 'y' : y }, i);
                        /**
                         * triggered when the contextmenu is shown for a node
                         * @event
                         * @name show_contextmenu.jstree
                         * @param {Object} node the node
                         * @param {Number} x the x-coordinate of the menu relative to the document
                         * @param {Number} y the y-coordinate of the menu relative to the document
                         * @plugin contextmenu
                         */
                        this.trigger('show_contextmenu', { "node" : obj, "x" : x, "y" : y });
                };
        };

        // contextmenu helper
        (function ($) {
                var right_to_left = false,
                        vakata_context = {
                                element         : false,
                                reference       : false,
                                position_x      : 0,
                                position_y      : 0,
                                items           : [],
                                html            : "",
                                is_visible      : false
                        };

                $.vakata.context = {
                        settings : {
                                hide_onmouseleave       : 0,
                                icons                           : true
                        },
                        _trigger : function (event_name) {
                                $(document).triggerHandler("context_" + event_name + ".vakata", {
                                        "reference"     : vakata_context.reference,
                                        "element"       : vakata_context.element,
                                        "position"      : {
                                                "x" : vakata_context.position_x,
                                                "y" : vakata_context.position_y
                                        }
                                });
                        },
                        _execute : function (i) {
                                i = vakata_context.items[i];
                                return i && (!i._disabled || ($.isFunction(i._disabled) && !i._disabled({ "item" : i, "reference" : vakata_context.reference, "element" : vakata_context.element }))) && i.action ? i.action.call(null, {
                                                        "item"          : i,
                                                        "reference"     : vakata_context.reference,
                                                        "element"       : vakata_context.element,
                                                        "position"      : {
                                                                "x" : vakata_context.position_x,
                                                                "y" : vakata_context.position_y
                                                        }
                                                }) : false;
                        },
                        _parse : function (o, is_callback) {
                                if(!o) { return false; }
                                if(!is_callback) {
                                        vakata_context.html             = "";
                                        vakata_context.items    = [];
                                }
                                var str = "",
                                        sep = false,
                                        tmp;

                                if(is_callback) { str += "<"+"ul>"; }
                                $.each(o, function (i, val) {
                                        if(!val) { return true; }
                                        vakata_context.items.push(val);
                                        if(!sep && val.separator_before) {
                                                str += "<"+"li class='vakata-context-separator'><"+"a href='#' " + ($.vakata.context.settings.icons ? '' : 'style="margin-left:0px;"') + ">&#160;<"+"/a><"+"/li>";
                                        }
                                        sep = false;
                                        str += "<"+"li class='" + (val._class || "") + (val._disabled === true || ($.isFunction(val._disabled) && val._disabled({ "item" : val, "reference" : vakata_context.reference, "element" : vakata_context.element })) ? " vakata-contextmenu-disabled " : "") + "' "+(val.shortcut?" data-shortcut='"+val.shortcut+"' ":'')+">";
                                        str += "<"+"a href='#' rel='" + (vakata_context.items.length - 1) + "'>";
                                        if($.vakata.context.settings.icons) {
                                                str += "<"+"i ";
                                                if(val.icon) {
                                                        if(val.icon.indexOf("/") !== -1 || val.icon.indexOf(".") !== -1) { str += " style='background:url(\"" + val.icon + "\") center center no-repeat' "; }
                                                        else { str += " class='" + val.icon + "' "; }
                                                }
                                                str += "><"+"/i><"+"span class='vakata-contextmenu-sep'>&#160;<"+"/span>";
                                        }
                                        str += ($.isFunction(val.label) ? val.label({ "item" : i, "reference" : vakata_context.reference, "element" : vakata_context.element }) : val.label) + (val.shortcut?' <span class="vakata-contextmenu-shortcut vakata-contextmenu-shortcut-'+val.shortcut+'">'+ (val.shortcut_label || '') +'</span>':'') + "<"+"/a>";
                                        if(val.submenu) {
                                                tmp = $.vakata.context._parse(val.submenu, true);
                                                if(tmp) { str += tmp; }
                                        }
                                        str += "<"+"/li>";
                                        if(val.separator_after) {
                                                str += "<"+"li class='vakata-context-separator'><"+"a href='#' " + ($.vakata.context.settings.icons ? '' : 'style="margin-left:0px;"') + ">&#160;<"+"/a><"+"/li>";
                                                sep = true;
                                        }
                                });
                                str  = str.replace(/<li class\='vakata-context-separator'\><\/li\>$/,"");
                                if(is_callback) { str += "</ul>"; }
                                /**
                                 * triggered on the document when the contextmenu is parsed (HTML is built)
                                 * @event
                                 * @plugin contextmenu
                                 * @name context_parse.vakata
                                 * @param {jQuery} reference the element that was right clicked
                                 * @param {jQuery} element the DOM element of the menu itself
                                 * @param {Object} position the x & y coordinates of the menu
                                 */
                                if(!is_callback) { vakata_context.html = str; $.vakata.context._trigger("parse"); }
                                return str.length > 10 ? str : false;
                        },
                        _show_submenu : function (o) {
                                o = $(o);
                                if(!o.length || !o.children("ul").length) { return; }
                                var e = o.children("ul"),
                                        x = o.offset().left + o.outerWidth(),
                                        y = o.offset().top,
                                        w = e.width(),
                                        h = e.height(),
                                        dw = $(window).width() + $(window).scrollLeft(),
                                        dh = $(window).height() + $(window).scrollTop();
                                // може да се спести е една проверка - дали няма някой от класовете вече нагоре
                                if(right_to_left) {
                                        o[x - (w + 10 + o.outerWidth()) < 0 ? "addClass" : "removeClass"]("vakata-context-left");
                                }
                                else {
                                        o[x + w + 10 > dw ? "addClass" : "removeClass"]("vakata-context-right");
                                }
                                if(y + h + 10 > dh) {
                                        e.css("bottom","-1px");
                                }
                                e.show();
                        },
                        show : function (reference, position, data) {
                                var o, e, x, y, w, h, dw, dh, cond = true;
                                if(vakata_context.element && vakata_context.element.length) {
                                        vakata_context.element.width('');
                                }
                                switch(cond) {
                                        case (!position && !reference):
                                                return false;
                                        case (!!position && !!reference):
                                                vakata_context.reference        = reference;
                                                vakata_context.position_x       = position.x;
                                                vakata_context.position_y       = position.y;
                                                break;
                                        case (!position && !!reference):
                                                vakata_context.reference        = reference;
                                                o = reference.offset();
                                                vakata_context.position_x       = o.left + reference.outerHeight();
                                                vakata_context.position_y       = o.top;
                                                break;
                                        case (!!position && !reference):
                                                vakata_context.position_x       = position.x;
                                                vakata_context.position_y       = position.y;
                                                break;
                                }
                                if(!!reference && !data && $(reference).data('vakata_contextmenu')) {
                                        data = $(reference).data('vakata_contextmenu');
                                }
                                if($.vakata.context._parse(data)) {
                                        vakata_context.element.html(vakata_context.html);
                                }
                                if(vakata_context.items.length) {
                                        vakata_context.element.appendTo("body");
                                        e = vakata_context.element;
                                        x = vakata_context.position_x;
                                        y = vakata_context.position_y;
                                        w = e.width();
                                        h = e.height();
                                        dw = $(window).width() + $(window).scrollLeft();
                                        dh = $(window).height() + $(window).scrollTop();
                                        if(right_to_left) {
                                                x -= (e.outerWidth() - $(reference).outerWidth());
                                                if(x < $(window).scrollLeft() + 20) {
                                                        x = $(window).scrollLeft() + 20;
                                                }
                                        }
                                        if(x + w + 20 > dw) {
                                                x = dw - (w + 20);
                                        }
                                        if(y + h + 20 > dh) {
                                                y = dh - (h + 20);
                                        }

                                        vakata_context.element
                                                .css({ "left" : x, "top" : y })
                                                .show()
                                                .find('a').first().focus().parent().addClass("vakata-context-hover");
                                        vakata_context.is_visible = true;
                                        /**
                                         * triggered on the document when the contextmenu is shown
                                         * @event
                                         * @plugin contextmenu
                                         * @name context_show.vakata
                                         * @param {jQuery} reference the element that was right clicked
                                         * @param {jQuery} element the DOM element of the menu itself
                                         * @param {Object} position the x & y coordinates of the menu
                                         */
                                        $.vakata.context._trigger("show");
                                }
                        },
                        hide : function () {
                                if(vakata_context.is_visible) {
                                        vakata_context.element.hide().find("ul").hide().end().find(':focus').blur().end().detach();
                                        vakata_context.is_visible = false;
                                        /**
                                         * triggered on the document when the contextmenu is hidden
                                         * @event
                                         * @plugin contextmenu
                                         * @name context_hide.vakata
                                         * @param {jQuery} reference the element that was right clicked
                                         * @param {jQuery} element the DOM element of the menu itself
                                         * @param {Object} position the x & y coordinates of the menu
                                         */
                                        $.vakata.context._trigger("hide");
                                }
                        }
                };
                $(function () {
                        right_to_left = $("body").css("direction") === "rtl";
                        var to = false;

                        vakata_context.element = $("<ul class='vakata-context'></ul>");
                        vakata_context.element
                                .on("mouseenter", "li", function (e) {
                                        e.stopImmediatePropagation();

                                        if($.contains(this, e.relatedTarget)) {
                                                // премахнато заради delegate mouseleave по-долу
                                                // $(this).find(".vakata-context-hover").removeClass("vakata-context-hover");
                                                return;
                                        }

                                        if(to) { clearTimeout(to); }
                                        vakata_context.element.find(".vakata-context-hover").removeClass("vakata-context-hover").end();

                                        $(this)
                                                .siblings().find("ul").hide().end().end()
                                                .parentsUntil(".vakata-context", "li").addBack().addClass("vakata-context-hover");
                                        $.vakata.context._show_submenu(this);
                                })
                                // тестово - дали не натоварва?
                                .on("mouseleave", "li", function (e) {
                                        if($.contains(this, e.relatedTarget)) { return; }
                                        $(this).find(".vakata-context-hover").addBack().removeClass("vakata-context-hover");
                                })
                                .on("mouseleave", function (e) {
                                        $(this).find(".vakata-context-hover").removeClass("vakata-context-hover");
                                        if($.vakata.context.settings.hide_onmouseleave) {
                                                to = setTimeout(
                                                        (function (t) {
                                                                return function () { $.vakata.context.hide(); };
                                                        }(this)), $.vakata.context.settings.hide_onmouseleave);
                                        }
                                })
                                .on("click", "a", function (e) {
                                        e.preventDefault();
                                //})
                                //.on("mouseup", "a", function (e) {
                                        if(!$(this).blur().parent().hasClass("vakata-context-disabled") && $.vakata.context._execute($(this).attr("rel")) !== false) {
                                                $.vakata.context.hide();
                                        }
                                })
                                .on('keydown', 'a', function (e) {
                                                var o = null;
                                                switch(e.which) {
                                                        case 13:
                                                        case 32:
                                                                e.type = "mouseup";
                                                                e.preventDefault();
                                                                $(e.currentTarget).trigger(e);
                                                                break;
                                                        case 37:
                                                                if(vakata_context.is_visible) {
                                                                        vakata_context.element.find(".vakata-context-hover").last().closest("li").first().find("ul").hide().find(".vakata-context-hover").removeClass("vakata-context-hover").end().end().children('a').focus();
                                                                        e.stopImmediatePropagation();
                                                                        e.preventDefault();
                                                                }
                                                                break;
                                                        case 38:
                                                                if(vakata_context.is_visible) {
                                                                        o = vakata_context.element.find("ul:visible").addBack().last().children(".vakata-context-hover").removeClass("vakata-context-hover").prevAll("li:not(.vakata-context-separator)").first();
                                                                        if(!o.length) { o = vakata_context.element.find("ul:visible").addBack().last().children("li:not(.vakata-context-separator)").last(); }
                                                                        o.addClass("vakata-context-hover").children('a').focus();
                                                                        e.stopImmediatePropagation();
                                                                        e.preventDefault();
                                                                }
                                                                break;
                                                        case 39:
                                                                if(vakata_context.is_visible) {
                                                                        vakata_context.element.find(".vakata-context-hover").last().children("ul").show().children("li:not(.vakata-context-separator)").removeClass("vakata-context-hover").first().addClass("vakata-context-hover").children('a').focus();
                                                                        e.stopImmediatePropagation();
                                                                        e.preventDefault();
                                                                }
                                                                break;
                                                        case 40:
                                                                if(vakata_context.is_visible) {
                                                                        o = vakata_context.element.find("ul:visible").addBack().last().children(".vakata-context-hover").removeClass("vakata-context-hover").nextAll("li:not(.vakata-context-separator)").first();
                                                                        if(!o.length) { o = vakata_context.element.find("ul:visible").addBack().last().children("li:not(.vakata-context-separator)").first(); }
                                                                        o.addClass("vakata-context-hover").children('a').focus();
                                                                        e.stopImmediatePropagation();
                                                                        e.preventDefault();
                                                                }
                                                                break;
                                                        case 27:
                                                                $.vakata.context.hide();
                                                                e.preventDefault();
                                                                break;
                                                        default:
                                                                //console.log(e.which);
                                                                break;
                                                }
                                        })
                                .on('keydown', function (e) {
                                        e.preventDefault();
                                        var a = vakata_context.element.find('.vakata-contextmenu-shortcut-' + e.which).parent();
                                        if(a.parent().not('.vakata-context-disabled')) {
                                                a.click();
                                        }
                                });

                        $(document)
                                .on("mousedown.vakata.jstree", function (e) {
                                        if(vakata_context.is_visible && !$.contains(vakata_context.element[0], e.target)) {
                                                $.vakata.context.hide();
                                        }
                                })
                                .on("context_show.vakata.jstree", function (e, data) {
                                        vakata_context.element.find("li:has(ul)").children("a").addClass("vakata-context-parent");
                                        if(right_to_left) {
                                                vakata_context.element.addClass("vakata-context-rtl").css("direction", "rtl");
                                        }
                                        // also apply a RTL class?
                                        vakata_context.element.find("ul").hide().end();
                                });
                });
        }($));
        // $.jstree.defaults.plugins.push("contextmenu");
}));