class.ilAsyncContainerSelectionExplorer.php

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<?php
require_once("./Services/ContainerReference/classes/class.ilContainerSelectionExplorer.php");

class ilAsyncContainerSelectionExplorer extends ilContainerSelectionExplorer
{

    protected $tpl;

    protected static $js_conf;

    protected static $js_on_load_added = array();


    public function __construct($a_target)
    {
        parent::__construct($a_target);

        global $DIC;
        $tpl = $DIC['tpl'];
        $this->tpl = $tpl;

        $this->addJsConf('save_explorer_url', $a_target);
    }


    public static function addJavascript()
    {
        global $DIC;
        $tpl = $DIC['tpl'];

        $tpl->addJavaScript("./Services/UIComponent/Explorer/js/ilExplorer.js");
    }


    public function buildOnClick($a_node_id, $a_type, $a_title)
    {
        $ref_id = (int) $_GET['ref_id'];
        if ($ref_id) {
            return "$('body').trigger('async_explorer-add_reference', {target_id: '" . $a_node_id . "', type: '" . $a_type . "', parent_id: '" . $ref_id . "'});";
        }
    }


    public function buildLinkTarget($a_node_id, $a_type)
    {
        return "javascript:void(0);";
    }


    public function getOutput()
    {
        self::initJs();

        return parent::getOutput();
    }

    /*
     * Initializes the js
     * Adds the on load code for the async explorer
     */
    public function initJs()
    {
        self::addOnLoadCode('explorer', '$("#' . $this->getId() . '").study_programme_async_explorer(' . json_encode($this->js_conf) . ');');
    }

    protected function addOnLoadCode($id, $content)
    {
        global $DIC;
        $tpl = $DIC['tpl'];

        if (!isset(self::$js_on_load_added[$id])) {
            $tpl->addOnLoadCode($content);
            self::$js_on_load_added[$id] = $content;
        }
    }

    public function addJsConf($key, $value)
    {
        $this->js_conf[$key] = $value;
    }

    public function getJsConf($key)
    {
        return $this->js_conf[$key];
    }
}