<?php
/**
 * @link http://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */

namespace yii\jui;

use yii\helpers\Json;

/**
 * Menu renders a menu jQuery UI widget.
 *
 * @see http://api.jqueryui.com/menu/
 * @author Alexander Kochetov <creocoder@gmail.com>
 * @since 2.0
 */
class Menu extends \yii\widgets\Menu
{
    /**
     * @var array the options for the underlying jQuery UI widget.
     * Please refer to the corresponding jQuery UI widget Web page for possible options.
     * For example, [this page](http://api.jqueryui.com/accordion/) shows
     * how to use the "Accordion" widget and the supported options (e.g. "header").
     */
    public $clientOptions = [];
    /**
     * @var array the event handlers for the underlying jQuery UI widget.
     * Please refer to the corresponding jQuery UI widget Web page for possible events.
     * For example, [this page](http://api.jqueryui.com/accordion/) shows
     * how to use the "Accordion" widget and the supported events (e.g. "create").
     */
    public $clientEvents = [];

    /**
     * Initializes the widget.
     * If you override this method, make sure you call the parent implementation first.
     */
    public function init()
    {
        parent::init();
        if (!isset($this->options['id'])) {
            $this->options['id'] = $this->getId();
        }
    }

    /**
     * Renders the widget.
     */
    public function run()
    {
        parent::run();

        $view = $this->getView();
        MenuAsset::register($view);
        /* @var $themeAsset \yii\web\AssetBundle */
        $themeAsset = Widget::$theme;
        $themeAsset::register($view);

        $id = $this->options['id'];
        if ($this->clientOptions !== false) {
            $options = empty($this->clientOptions) ? '' : Json::encode($this->clientOptions);
            $js = "jQuery('#$id').menu($options);";
            $view->registerJs($js);
        }

        if (!empty($this->clientEvents)) {
            $js = [];
            foreach ($this->clientEvents as $event => $handler) {
                $js[] = "jQuery('#$id').on('menu$event', $handler);";
            }
            $view->registerJs(implode("\n", $js));
        }
    }
}
