YetiForceCompany/YetiForceCRM

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public_html/layouts/resources/libraries/jstree.checkbox.js

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/* {[The file is published on the basis of YetiForce Public License 6.5 that can be found in the following directory: licenses/LicenseEN.txt or yetiforce.com]} */
/*globals jQuery, define, exports, require, document */
(function (factory) {
    'use strict';
    if (typeof define === 'function' && define.amd) {
        define('jstree.category', ['jquery', 'jstree'], factory);
    } else if (typeof exports === 'object') {
        factory(require('jquery'), require('jstree'));
    } else {
        factory(jQuery, jQuery.jstree);
    }
})(function ($, jstree) {
    'use strict';
    var instance_counter = 0,
        ccp_node = false,
        ccp_mode = false,
        ccp_inst = false,
        themes_loaded = [],
        document = window.document, // local variable is always faster to access then a global
        _temp1,
        _temp2;

    var _i = document.createElement('I');
    _i.className = 'jstree-icon jstree-checkbox';
    _i.setAttribute('role', 'presentation');
    $.jstree.plugins.checkbox = function (options, parent) {
        this.bind = function () {
            parent.bind.call(this);
            this._data.checkbox.uto = false;
            this._data.checkbox.selected = [];
            this.element
                .on(
                    'init.jstree',
                    $.proxy(function () {
                        this._data.checkbox.visible = this.settings.checkbox.visible;
                        if (!this.settings.checkbox.keep_selected_style) {
                            this.element.addClass('jstree-checkbox-no-clicked');
                        }
                        if (this.settings.checkbox.tie_selection) {
                            this.element.addClass('jstree-checkbox-selection');
                        }
                    }, this)
                )
                .on(
                    'loading.jstree',
                    $.proxy(function () {
                        this[this._data.checkbox.visible ? 'show_checkboxes' : 'hide_checkboxes']();
                    }, this)
                );
            if (this.settings.checkbox.cascade.indexOf('undetermined') !== -1) {
                this.element.on(
                    'changed.jstree uncheck_node.jstree check_node.jstree uncheck_all.jstree check_all.jstree move_node.jstree copy_node.jstree redraw.jstree open_node.jstree',
                    $.proxy(function () {
                        // only if undetermined is in setting
                        if (this._data.checkbox.uto) {
                            clearTimeout(this._data.checkbox.uto);
                        }
                        this._data.checkbox.uto = setTimeout($.proxy(this._undetermined, this), 50);
                    }, this)
                );
            }
            if (!this.settings.checkbox.tie_selection) {
                this.element.on(
                    'model.jstree',
                    $.proxy(function (e, data) {
                        var m = this._model.data,
                            dpc = data.nodes,
                            i,
                            j;
                        for (i = 0, j = dpc.length; i < j; i++) {
                            m[dpc[i]].state.checked =
                                m[dpc[i]].state.checked ||
                                (m[dpc[i]].original && m[dpc[i]].original.state && m[dpc[i]].original.state.checked);
                            if (m[dpc[i]].state.checked) {
                                this._data.checkbox.selected.push(dpc[i]);
                            }
                        }
                    }, this)
                );
            }
            if (
                this.settings.checkbox.cascade.indexOf('up') !== -1 ||
                this.settings.checkbox.cascade.indexOf('down') !== -1
            ) {
                this.element
                    .on(
                        'model.jstree',
                        $.proxy(function (e, data) {
                            var m = this._model.data,
                                p = m[data.parent],
                                dpc = data.nodes,
                                chd = [],
                                c,
                                i,
                                j,
                                k,
                                l,
                                tmp,
                                s = this.settings.checkbox.cascade,
                                t = this.settings.checkbox.tie_selection;

                            if (s.indexOf('down') !== -1) {
                                // apply down
                                if (p.state[t ? 'selected' : 'checked']) {
                                    for (i = 0, j = dpc.length; i < j; i++) {
                                        m[dpc[i]].state[t ? 'selected' : 'checked'] = true;
                                    }
                                    this._data[t ? 'core' : 'checkbox'].selected =
                                        this._data[t ? 'core' : 'checkbox'].selected.concat(dpc);
                                } else {
                                    for (i = 0, j = dpc.length; i < j; i++) {
                                        if (m[dpc[i]].state[t ? 'selected' : 'checked']) {
                                            for (k = 0, l = m[dpc[i]].children_d.length; k < l; k++) {
                                                m[m[dpc[i]].children_d[k]].state[t ? 'selected' : 'checked'] = true;
                                            }
                                            this._data[t ? 'core' : 'checkbox'].selected = this._data[
                                                t ? 'core' : 'checkbox'
                                            ].selected.concat(m[dpc[i]].children_d);
                                        }
                                    }
                                }
                            }

                            if (s.indexOf('up') !== -1) {
                                // apply up
                                for (i = 0, j = p.children_d.length; i < j; i++) {
                                    if (!m[p.children_d[i]].children.length) {
                                        chd.push(m[p.children_d[i]].parent);
                                    }
                                }
                                chd = $.vakata.array_unique(chd);
                                for (k = 0, l = chd.length; k < l; k++) {
                                    p = m[chd[k]];
                                    while (p && p.id !== $.jstree.root) {
                                        c = 0;
                                        for (i = 0, j = p.children.length; i < j; i++) {
                                            c += m[p.children[i]].state[t ? 'selected' : 'checked'];
                                        }
                                        if (c === j) {
                                            p.state[t ? 'selected' : 'checked'] = true;
                                            this._data[t ? 'core' : 'checkbox'].selected.push(p.id);
                                            tmp = this.get_node(p, true);
                                            if (tmp && tmp.length) {
                                                tmp
                                                    .attr('aria-selected', true)
                                                    .children('.jstree-anchor')
                                                    .addClass(t ? 'jstree-clicked' : 'jstree-checked');
                                            }
                                        } else {
                                            break;
                                        }
                                        p = this.get_node(p.parent);
                                    }
                                }
                            }

                            this._data[t ? 'core' : 'checkbox'].selected = $.vakata.array_unique(
                                this._data[t ? 'core' : 'checkbox'].selected
                            );
                        }, this)
                    )
                    .on(
                        this.settings.checkbox.tie_selection ? 'select_node.jstree' : 'check_node.jstree',
                        $.proxy(function (e, data) {
                            var obj = data.node,
                                m = this._model.data,
                                par = this.get_node(obj.parent),
                                dom = this.get_node(obj, true),
                                i,
                                j,
                                c,
                                tmp,
                                s = this.settings.checkbox.cascade,
                                t = this.settings.checkbox.tie_selection;

                            // apply down
                            if (s.indexOf('down') !== -1) {
                                this._data[t ? 'core' : 'checkbox'].selected = $.vakata.array_unique(
                                    this._data[t ? 'core' : 'checkbox'].selected.concat(obj.children_d)
                                );
                                for (i = 0, j = obj.children_d.length; i < j; i++) {
                                    tmp = m[obj.children_d[i]];
                                    tmp.state[t ? 'selected' : 'checked'] = true;
                                    if (tmp && tmp.original && tmp.original.state && tmp.original.state.undetermined) {
                                        tmp.original.state.undetermined = false;
                                    }
                                }
                            }

                            // apply up
                            if (s.indexOf('up') !== -1) {
                                while (par && par.id !== $.jstree.root) {
                                    c = 0;
                                    for (i = 0, j = par.children.length; i < j; i++) {
                                        c += m[par.children[i]].state[t ? 'selected' : 'checked'];
                                    }
                                    if (c === j) {
                                        par.state[t ? 'selected' : 'checked'] = true;
                                        this._data[t ? 'core' : 'checkbox'].selected.push(par.id);
                                        tmp = this.get_node(par, true);
                                        if (tmp && tmp.length) {
                                            tmp
                                                .attr('aria-selected', true)
                                                .children('.jstree-anchor')
                                                .addClass(t ? 'jstree-clicked' : 'jstree-checked');
                                        }
                                    } else {
                                        break;
                                    }
                                    par = this.get_node(par.parent);
                                }
                            }

                            // apply down (process .children separately?)
                            if (s.indexOf('down') !== -1 && dom.length) {
                                dom
                                    .find('.jstree-anchor')
                                    .addClass(t ? 'jstree-clicked' : 'jstree-checked')
                                    .parent()
                                    .attr('aria-selected', true);
                            }
                        }, this)
                    )
                    .on(
                        this.settings.checkbox.tie_selection ? 'deselect_all.jstree' : 'uncheck_all.jstree',
                        $.proxy(function (e, data) {
                            var obj = this.get_node($.jstree.root),
                                m = this._model.data,
                                i,
                                j,
                                tmp;
                            for (i = 0, j = obj.children_d.length; i < j; i++) {
                                tmp = m[obj.children_d[i]];
                                if (tmp && tmp.original && tmp.original.state && tmp.original.state.undetermined) {
                                    tmp.original.state.undetermined = false;
                                }
                            }
                        }, this)
                    )
                    .on(
                        this.settings.checkbox.tie_selection ? 'deselect_node.jstree' : 'uncheck_node.jstree',
                        $.proxy(function (e, data) {
                            var obj = data.node,
                                dom = this.get_node(obj, true),
                                i,
                                j,
                                tmp,
                                s = this.settings.checkbox.cascade,
                                t = this.settings.checkbox.tie_selection;
                            if (obj && obj.original && obj.original.state && obj.original.state.undetermined) {
                                obj.original.state.undetermined = false;
                            }

                            // apply down
                            if (s.indexOf('down') !== -1) {
                                for (i = 0, j = obj.children_d.length; i < j; i++) {
                                    tmp = this._model.data[obj.children_d[i]];
                                    tmp.state[t ? 'selected' : 'checked'] = false;
                                    if (tmp && tmp.original && tmp.original.state && tmp.original.state.undetermined) {
                                        tmp.original.state.undetermined = false;
                                    }
                                }
                            }

                            // apply up
                            if (s.indexOf('up') !== -1) {
                                for (i = 0, j = obj.parents.length; i < j; i++) {
                                    tmp = this._model.data[obj.parents[i]];
                                    tmp.state[t ? 'selected' : 'checked'] = false;
                                    if (tmp && tmp.original && tmp.original.state && tmp.original.state.undetermined) {
                                        tmp.original.state.undetermined = false;
                                    }
                                    tmp = this.get_node(obj.parents[i], true);
                                    if (tmp && tmp.length) {
                                        tmp
                                            .attr('aria-selected', false)
                                            .children('.jstree-anchor')
                                            .removeClass(t ? 'jstree-clicked' : 'jstree-checked');
                                    }
                                }
                            }
                            tmp = [];
                            for (i = 0, j = this._data[t ? 'core' : 'checkbox'].selected.length; i < j; i++) {
                                // apply down + apply up
                                if (
                                    (s.indexOf('down') === -1 ||
                                        $.inArray(this._data[t ? 'core' : 'checkbox'].selected[i], obj.children_d) === -1) &&
                                    (s.indexOf('up') === -1 ||
                                        $.inArray(this._data[t ? 'core' : 'checkbox'].selected[i], obj.parents) === -1)
                                ) {
                                    tmp.push(this._data[t ? 'core' : 'checkbox'].selected[i]);
                                }
                            }
                            this._data[t ? 'core' : 'checkbox'].selected = $.vakata.array_unique(tmp);

                            // apply down (process .children separately?)
                            if (s.indexOf('down') !== -1 && dom.length) {
                                dom
                                    .find('.jstree-anchor')
                                    .removeClass(t ? 'jstree-clicked' : 'jstree-checked')
                                    .parent()
                                    .attr('aria-selected', false);
                            }
                        }, this)
                    );
            }
            if (this.settings.checkbox.cascade.indexOf('up') !== -1) {
                this.element
                    .on(
                        'delete_node.jstree',
                        $.proxy(function (e, data) {
                            // apply up (whole handler)
                            var p = this.get_node(data.parent),
                                m = this._model.data,
                                i,
                                j,
                                c,
                                tmp,
                                t = this.settings.checkbox.tie_selection;
                            while (p && p.id !== $.jstree.root && !p.state[t ? 'selected' : 'checked']) {
                                c = 0;
                                for (i = 0, j = p.children.length; i < j; i++) {
                                    c += m[p.children[i]].state[t ? 'selected' : 'checked'];
                                }
                                if (j > 0 && c === j) {
                                    p.state[t ? 'selected' : 'checked'] = true;
                                    this._data[t ? 'core' : 'checkbox'].selected.push(p.id);
                                    tmp = this.get_node(p, true);
                                    if (tmp && tmp.length) {
                                        tmp
                                            .attr('aria-selected', true)
                                            .children('.jstree-anchor')
                                            .addClass(t ? 'jstree-clicked' : 'jstree-checked');
                                    }
                                } else {
                                    break;
                                }
                                p = this.get_node(p.parent);
                            }
                        }, this)
                    )
                    .on(
                        'move_node.jstree',
                        $.proxy(function (e, data) {
                            // apply up (whole handler)
                            var is_multi = data.is_multi,
                                old_par = data.old_parent,
                                new_par = this.get_node(data.parent),
                                m = this._model.data,
                                p,
                                c,
                                i,
                                j,
                                tmp,
                                t = this.settings.checkbox.tie_selection;
                            if (!is_multi) {
                                p = this.get_node(old_par);
                                while (p && p.id !== $.jstree.root && !p.state[t ? 'selected' : 'checked']) {
                                    c = 0;
                                    for (i = 0, j = p.children.length; i < j; i++) {
                                        c += m[p.children[i]].state[t ? 'selected' : 'checked'];
                                    }
                                    if (j > 0 && c === j) {
                                        p.state[t ? 'selected' : 'checked'] = true;
                                        this._data[t ? 'core' : 'checkbox'].selected.push(p.id);
                                        tmp = this.get_node(p, true);
                                        if (tmp && tmp.length) {
                                            tmp
                                                .attr('aria-selected', true)
                                                .children('.jstree-anchor')
                                                .addClass(t ? 'jstree-clicked' : 'jstree-checked');
                                        }
                                    } else {
                                        break;
                                    }
                                    p = this.get_node(p.parent);
                                }
                            }
                            p = new_par;
                            while (p && p.id !== $.jstree.root) {
                                c = 0;
                                for (i = 0, j = p.children.length; i < j; i++) {
                                    c += m[p.children[i]].state[t ? 'selected' : 'checked'];
                                }
                                if (c === j) {
                                    if (!p.state[t ? 'selected' : 'checked']) {
                                        p.state[t ? 'selected' : 'checked'] = true;
                                        this._data[t ? 'core' : 'checkbox'].selected.push(p.id);
                                        tmp = this.get_node(p, true);
                                        if (tmp && tmp.length) {
                                            tmp
                                                .attr('aria-selected', true)
                                                .children('.jstree-anchor')
                                                .addClass(t ? 'jstree-clicked' : 'jstree-checked');
                                        }
                                    }
                                } else {
                                    if (p.state[t ? 'selected' : 'checked']) {
                                        p.state[t ? 'selected' : 'checked'] = false;
                                        this._data[t ? 'core' : 'checkbox'].selected = $.vakata.array_remove_item(
                                            this._data[t ? 'core' : 'checkbox'].selected,
                                            p.id
                                        );
                                        tmp = this.get_node(p, true);
                                        if (tmp && tmp.length) {
                                            tmp
                                                .attr('aria-selected', false)
                                                .children('.jstree-anchor')
                                                .removeClass(t ? 'jstree-clicked' : 'jstree-checked');
                                        }
                                    } else {
                                        break;
                                    }
                                }
                                p = this.get_node(p.parent);
                            }
                        }, this)
                    );
            }
        };
        /**
         * set the undetermined state where and if necessary. Used internally.
         * @private
         * @name _undetermined()
         * @plugin checkbox
         */
        this._undetermined = function () {
            if (this.element === null) {
                return;
            }
            var i,
                j,
                k,
                l,
                o = {},
                m = this._model.data,
                t = this.settings.checkbox.tie_selection,
                s = this._data[t ? 'core' : 'checkbox'].selected,
                p = [],
                tt = this;
            for (i = 0, j = s.length; i < j; i++) {
                if (m[s[i]] && m[s[i]].parents) {
                    for (k = 0, l = m[s[i]].parents.length; k < l; k++) {
                        if (o[m[s[i]].parents[k]] === undefined && m[s[i]].parents[k] !== $.jstree.root) {
                            o[m[s[i]].parents[k]] = true;
                            p.push(m[s[i]].parents[k]);
                        }
                    }
                }
            }
            // attempt for server side undetermined state
            this.element
                .find('.jstree-closed')
                .not(':has(.jstree-children)')
                .each(function () {
                    var tmp = tt.get_node(this),
                        tmp2;
                    if (!tmp.state.loaded) {
                        if (
                            tmp.original &&
                            tmp.original.state &&
                            tmp.original.state.undetermined &&
                            tmp.original.state.undetermined === true
                        ) {
                            if (o[tmp.id] === undefined && tmp.id !== $.jstree.root) {
                                o[tmp.id] = true;
                                p.push(tmp.id);
                            }
                            for (k = 0, l = tmp.parents.length; k < l; k++) {
                                if (o[tmp.parents[k]] === undefined && tmp.parents[k] !== $.jstree.root) {
                                    o[tmp.parents[k]] = true;
                                    p.push(tmp.parents[k]);
                                }
                            }
                        }
                    } else {
                        for (i = 0, j = tmp.children_d.length; i < j; i++) {
                            tmp2 = m[tmp.children_d[i]];
                            if (
                                !tmp2.state.loaded &&
                                tmp2.original &&
                                tmp2.original.state &&
                                tmp2.original.state.undetermined &&
                                tmp2.original.state.undetermined === true
                            ) {
                                if (o[tmp2.id] === undefined && tmp2.id !== $.jstree.root) {
                                    o[tmp2.id] = true;
                                    p.push(tmp2.id);
                                }
                                for (k = 0, l = tmp2.parents.length; k < l; k++) {
                                    if (o[tmp2.parents[k]] === undefined && tmp2.parents[k] !== $.jstree.root) {
                                        o[tmp2.parents[k]] = true;
                                        p.push(tmp2.parents[k]);
                                    }
                                }
                            }
                        }
                    }
                });

            this.element.find('.jstree-undetermined').removeClass('jstree-undetermined');
            for (i = 0, j = p.length; i < j; i++) {
                if (!m[p[i]].state[t ? 'selected' : 'checked']) {
                    s = this.get_node(p[i], true);
                    if (s && s.length) {
                        s.children('.jstree-anchor').children('.jstree-checkbox').addClass('jstree-undetermined');
                    }
                }
            }
        };
        this.redraw_node = function (obj, deep, is_callback, force_render) {
            obj = parent.redraw_node.apply(this, arguments);
            if (this.get_node(obj).original.type == 'category') {
                return obj;
            }
            if (obj) {
                var i,
                    j,
                    tmp = null,
                    icon = null;
                for (i = 0, j = obj.childNodes.length; i < j; i++) {
                    if (
                        obj.childNodes[i] &&
                        obj.childNodes[i].className &&
                        obj.childNodes[i].className.indexOf('jstree-anchor') !== -1
                    ) {
                        tmp = obj.childNodes[i];
                        break;
                    }
                }

                if (tmp) {
                    if (!this.settings.checkbox.tie_selection && this._model.data[obj.id].state.checked) {
                        tmp.className += ' jstree-checked';
                    }
                    icon = _i.cloneNode(false);
                    if (this._model.data[obj.id].state.checkbox_disabled) {
                        icon.className += ' jstree-checkbox-disabled';
                    }
                    tmp.insertBefore(icon, tmp.childNodes[0]);
                }
            }
            if (!is_callback && this.settings.checkbox.cascade.indexOf('undetermined') !== -1) {
                if (this._data.checkbox.uto) {
                    clearTimeout(this._data.checkbox.uto);
                }
                this._data.checkbox.uto = setTimeout($.proxy(this._undetermined, this), 50);
            }
            return obj;
        };
        /**
         * show the node checkbox icons
         * @name show_checkboxes()
         * @plugin checkbox
         */
        this.show_checkboxes = function () {
            this._data.core.themes.checkboxes = true;
            this.get_container_ul().removeClass('jstree-no-checkboxes');
        };
        /**
         * hide the node checkbox icons
         * @name hide_checkboxes()
         * @plugin checkbox
         */
        this.hide_checkboxes = function () {
            this._data.core.themes.checkboxes = false;
            this.get_container_ul().addClass('jstree-no-checkboxes');
        };
        /**
         * toggle the node icons
         * @name toggle_checkboxes()
         * @plugin checkbox
         */
        this.toggle_checkboxes = function () {
            if (this._data.core.themes.checkboxes) {
                this.hide_checkboxes();
            } else {
                this.show_checkboxes();
            }
        };
        /**
         * checks if a node is in an undetermined state
         * @name is_undetermined(obj)
         * @param  {mixed} obj
         * @return {Boolean}
         */
        this.is_undetermined = function (obj) {
            obj = this.get_node(obj);
            var s = this.settings.checkbox.cascade,
                i,
                j,
                t = this.settings.checkbox.tie_selection,
                d = this._data[t ? 'core' : 'checkbox'].selected,
                m = this._model.data;
            if (
                !obj ||
                obj.state[t ? 'selected' : 'checked'] === true ||
                s.indexOf('undetermined') === -1 ||
                (s.indexOf('down') === -1 && s.indexOf('up') === -1)
            ) {
                return false;
            }
            if (!obj.state.loaded && obj.original.state.undetermined === true) {
                return true;
            }
            for (i = 0, j = obj.children_d.length; i < j; i++) {
                if (
                    $.inArray(obj.children_d[i], d) !== -1 ||
                    (!m[obj.children_d[i]].state.loaded && m[obj.children_d[i]].original.state.undetermined)
                ) {
                    return true;
                }
            }
            return false;
        };
        /**
         * disable a node's checkbox
         * @name disable_checkbox(obj)
         * @param {mixed} obj an array can be used too
         * @trigger disable_checkbox.jstree
         * @plugin checkbox
         */
        this.disable_checkbox = function (obj) {
            var t1, t2, dom;
            if ($.isArray(obj)) {
                obj = obj.slice();
                for (t1 = 0, t2 = obj.length; t1 < t2; t1++) {
                    this.disable_checkbox(obj[t1]);
                }
                return true;
            }
            obj = this.get_node(obj);
            if (!obj || obj.id === $.jstree.root) {
                return false;
            }
            dom = this.get_node(obj, true);
            if (!obj.state.checkbox_disabled) {
                obj.state.checkbox_disabled = true;
                if (dom && dom.length) {
                    dom.children('.jstree-anchor').children('.jstree-checkbox').addClass('jstree-checkbox-disabled');
                }
                /**
                 * triggered when an node's checkbox is disabled
                 * @event
                 * @name disable_checkbox.jstree
                 * @param {Object} node
                 * @plugin checkbox
                 */
                this.trigger('disable_checkbox', { node: obj });
            }
        };
        /**
         * enable a node's checkbox
         * @name disable_checkbox(obj)
         * @param {mixed} obj an array can be used too
         * @trigger enable_checkbox.jstree
         * @plugin checkbox
         */
        this.enable_checkbox = function (obj) {
            var t1, t2, dom;
            if ($.isArray(obj)) {
                obj = obj.slice();
                for (t1 = 0, t2 = obj.length; t1 < t2; t1++) {
                    this.enable_checkbox(obj[t1]);
                }
                return true;
            }
            obj = this.get_node(obj);
            if (!obj || obj.id === $.jstree.root) {
                return false;
            }
            dom = this.get_node(obj, true);
            if (obj.state.checkbox_disabled) {
                obj.state.checkbox_disabled = false;
                if (dom && dom.length) {
                    dom.children('.jstree-anchor').children('.jstree-checkbox').removeClass('jstree-checkbox-disabled');
                }
                /**
                 * triggered when an node's checkbox is enabled
                 * @event
                 * @name enable_checkbox.jstree
                 * @param {Object} node
                 * @plugin checkbox
                 */
                this.trigger('enable_checkbox', { node: obj });
            }
        };

        this.activate_node = function (obj, e) {
            if ($(e.target).hasClass('jstree-checkbox-disabled')) {
                return false;
            }
            if (this.get_node(obj).original.type == 'category') {
                this.trigger('activate_node', { node: this.get_node(obj) });
            }
            if (
                this.settings.checkbox.tie_selection &&
                (this.settings.checkbox.whole_node || $(e.target).hasClass('jstree-checkbox'))
            ) {
                e.ctrlKey = true;
            }

            if (
                this.settings.checkbox.tie_selection ||
                (!this.settings.checkbox.whole_node && !$(e.target).hasClass('jstree-checkbox'))
            ) {
                return parent.activate_node.call(this, obj, e);
            }
            if (this.is_disabled(obj)) {
                return false;
            }
            if (this.is_checked(obj)) {
                this.uncheck_node(obj, e);
            } else {
                this.check_node(obj, e);
            }
            this.trigger('activate_node', { node: this.get_node(obj) });
        };

        /**
         * check a node (only if tie_selection in checkbox settings is false, otherwise select_node will be called internally)
         * @name check_node(obj)
         * @param {mixed} obj an array can be used to check multiple nodes
         * @trigger check_node.jstree
         * @plugin checkbox
         */
        this.check_node = function (obj, e) {
            if (this.settings.checkbox.tie_selection) {
                return this.select_node(obj, false, true, e);
            }
            var dom, t1, t2, th;
            if ($.isArray(obj)) {
                obj = obj.slice();
                for (t1 = 0, t2 = obj.length; t1 < t2; t1++) {
                    this.check_node(obj[t1], e);
                }
                return true;
            }
            obj = this.get_node(obj);
            if (!obj || obj.id === $.jstree.root) {
                return false;
            }
            dom = this.get_node(obj, true);
            if (!obj.state.checked) {
                obj.state.checked = true;
                this._data.checkbox.selected.push(obj.id);
                if (dom && dom.length) {
                    dom.children('.jstree-anchor').addClass('jstree-checked');
                }
                /**
                 * triggered when an node is checked (only if tie_selection in checkbox settings is false)
                 * @event
                 * @name check_node.jstree
                 * @param {Object} node
                 * @param {Array} selected the current selection
                 * @param {Object} event the event (if any) that triggered this check_node
                 * @plugin checkbox
                 */
                this.trigger('check_node', { node: obj, selected: this._data.checkbox.selected, event: e });
            }
        };
        /**
         * uncheck a node (only if tie_selection in checkbox settings is false, otherwise deselect_node will be called internally)
         * @name uncheck_node(obj)
         * @param {mixed} obj an array can be used to uncheck multiple nodes
         * @trigger uncheck_node.jstree
         * @plugin checkbox
         */
        this.uncheck_node = function (obj, e) {
            if (this.settings.checkbox.tie_selection) {
                return this.deselect_node(obj, false, e);
            }
            var t1, t2, dom;
            if ($.isArray(obj)) {
                obj = obj.slice();
                for (t1 = 0, t2 = obj.length; t1 < t2; t1++) {
                    this.uncheck_node(obj[t1], e);
                }
                return true;
            }
            obj = this.get_node(obj);
            if (!obj || obj.id === $.jstree.root) {
                return false;
            }
            dom = this.get_node(obj, true);
            if (obj.state.checked) {
                obj.state.checked = false;
                this._data.checkbox.selected = $.vakata.array_remove_item(this._data.checkbox.selected, obj.id);
                if (dom.length) {
                    dom.children('.jstree-anchor').removeClass('jstree-checked');
                }
                /**
                 * triggered when an node is unchecked (only if tie_selection in checkbox settings is false)
                 * @event
                 * @name uncheck_node.jstree
                 * @param {Object} node
                 * @param {Array} selected the current selection
                 * @param {Object} event the event (if any) that triggered this uncheck_node
                 * @plugin checkbox
                 */
                this.trigger('uncheck_node', {
                    node: obj,
                    selected: this._data.checkbox.selected,
                    event: e
                });
            }
        };
        /**
         * checks all nodes in the tree (only if tie_selection in checkbox settings is false, otherwise select_all will be called internally)
         * @name check_all()
         * @trigger check_all.jstree, changed.jstree
         * @plugin checkbox
         */
        this.check_all = function () {
            if (this.settings.checkbox.tie_selection) {
                return this.select_all();
            }
            this._data.checkbox.selected = this._model.data[$.jstree.root].children_d.concat();
            for (i = 0, j = this._data.checkbox.selected.length; i < j; i++) {
                if (this._model.data[this._data.checkbox.selected[i]]) {
                    this._model.data[this._data.checkbox.selected[i]].state.checked = true;
                }
            }
            this.redraw(true);
            /**
             * triggered when all nodes are checked (only if tie_selection in checkbox settings is false)
             * @event
             * @name check_all.jstree
             * @param {Array} selected the current selection
             * @plugin checkbox
             */
            this.trigger('check_all', { selected: this._data.checkbox.selected });
        };
        /**
         * uncheck all checked nodes (only if tie_selection in checkbox settings is false, otherwise deselect_all will be called internally)
         * @name uncheck_all()
         * @trigger uncheck_all.jstree
         * @plugin checkbox
         */
        this.uncheck_all = function () {
            if (this.settings.checkbox.tie_selection) {
                return this.deselect_all();
            }
            var tmp = this._data.checkbox.selected.concat([]),
                i,
                j;
            for (i = 0, j = this._data.checkbox.selected.length; i < j; i++) {
                if (this._model.data[this._data.checkbox.selected[i]]) {
                    this._model.data[this._data.checkbox.selected[i]].state.checked = false;
                }
            }
            this._data.checkbox.selected = [];
            this.element.find('.jstree-checked').removeClass('jstree-checked');
            /**
             * triggered when all nodes are unchecked (only if tie_selection in checkbox settings is false)
             * @event
             * @name uncheck_all.jstree
             * @param {Object} node the previous selection
             * @param {Array} selected the current selection
             * @plugin checkbox
             */
            this.trigger('uncheck_all', { selected: this._data.checkbox.selected, node: tmp });
        };
        /**
         * checks if a node is checked (if tie_selection is on in the settings this function will return the same as is_selected)
         * @name is_checked(obj)
         * @param  {mixed}  obj
         * @return {Boolean}
         * @plugin checkbox
         */
        this.is_checked = function (obj) {
            if (this.settings.checkbox.tie_selection) {
                return this.is_selected(obj);
            }
            obj = this.get_node(obj);
            if (!obj || obj.id === $.jstree.root) {
                return false;
            }
            return obj.state.checked;
        };
        /**
         * get an array of all checked nodes (if tie_selection is on in the settings this function will return the same as get_selected)
         * @name get_checked([full])
         * @param  {mixed}  full if set to `true` the returned array will consist of the full node objects, otherwise - only IDs will be returned
         * @return {Array}
         * @plugin checkbox
         */
        this.get_checked = function (full) {
            if (this.settings.checkbox.tie_selection) {
                return this.get_selected(full);
            }
            return full
                ? $.map(
                        this._data.checkbox.selected,
                        $.proxy(function (i) {
                            return this.get_node(i);
                        }, this)
                  )
                : this._data.checkbox.selected;
        };
        /**
         * get an array of all top level checked nodes (ignoring children of checked nodes) (if tie_selection is on in the settings this function will return the same as get_top_selected)
         * @name get_top_checked([full])
         * @param  {mixed}  full if set to `true` the returned array will consist of the full node objects, otherwise - only IDs will be returned
         * @return {Array}
         * @plugin checkbox
         */
        this.get_top_checked = function (full) {
            if (this.settings.checkbox.tie_selection) {
                return this.get_top_selected(full);
            }
            var tmp = this.get_checked(true),
                obj = {},
                i,
                j,
                k,
                l;
            for (i = 0, j = tmp.length; i < j; i++) {
                obj[tmp[i].id] = tmp[i];
            }
            for (i = 0, j = tmp.length; i < j; i++) {
                for (k = 0, l = tmp[i].children_d.length; k < l; k++) {
                    if (obj[tmp[i].children_d[k]]) {
                        delete obj[tmp[i].children_d[k]];
                    }
                }
            }
            tmp = [];
            for (i in obj) {
                if (obj.hasOwnProperty(i)) {
                    tmp.push(i);
                }
            }
            return full
                ? $.map(
                        tmp,
                        $.proxy(function (i) {
                            return this.get_node(i);
                        }, this)
                  )
                : tmp;
        };
        /**
         * get an array of all bottom level checked nodes (ignoring selected parents) (if tie_selection is on in the settings this function will return the same as get_bottom_selected)
         * @name get_bottom_checked([full])
         * @param  {mixed}  full if set to `true` the returned array will consist of the full node objects, otherwise - only IDs will be returned
         * @return {Array}
         * @plugin checkbox
         */
        this.get_bottom_checked = function (full) {
            if (this.settings.checkbox.tie_selection) {
                return this.get_bottom_selected(full);
            }
            var tmp = this.get_checked(true),
                obj = [],
                i,
                j;
            for (i = 0, j = tmp.length; i < j; i++) {
                if (!tmp[i].children.length) {
                    obj.push(tmp[i].id);
                }
            }
            return full
                ? $.map(
                        obj,
                        $.proxy(function (i) {
                            return this.get_node(i);
                        }, this)
                  )
                : obj;
        };
        this.load_node = function (obj, callback) {
            var k, l, i, j, c, tmp;
            if (!$.isArray(obj) && !this.settings.checkbox.tie_selection) {
                tmp = this.get_node(obj);
                if (tmp && tmp.state.loaded) {
                    for (k = 0, l = tmp.children_d.length; k < l; k++) {
                        if (this._model.data[tmp.children_d[k]].state.checked) {
                            this._data.checkbox.selected = $.vakata.array_remove_item(
                                this._data.checkbox.selected,
                                tmp.children_d[k]
                            );
                        }
                    }
                }
            }
            return parent.load_node.apply(this, arguments);
        };
        this.get_state = function () {
            var state = parent.get_state.apply(this, arguments);
            if (this.settings.checkbox.tie_selection) {
                return state;
            }
            state.checkbox = this._data.checkbox.selected.slice();
            return state;
        };
        this.set_state = function (state, callback) {
            var res = parent.set_state.apply(this, arguments);
            if (res && state.checkbox) {
                if (!this.settings.checkbox.tie_selection) {
                    this.uncheck_all();
                    var _this = this;
                    $.each(state.checkbox, function (i, v) {
                        _this.check_node(v);
                    });
                }
                delete state.checkbox;
                this.set_state(state, callback);
                return false;
            }
            return res;
        };
        this.refresh = function (skip_loading, forget_state) {
            if (!this.settings.checkbox.tie_selection) {
                this._data.checkbox.selected = [];
            }
            return parent.refresh.apply(this, arguments);
        };
    };

    // include the checkbox plugin by default
    // $.jstree.defaults.plugins.push("checkbox");
});