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 $tpl;
                $this->tpl = $tpl;

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


        public static function addJavascript() {
                global $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 $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];
        }
}