class.ilAsyncContainerSelectionExplorer.php

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<?php
 
declare(strict_types=1);
 
use ILIAS\Refinery\Factory;
 
class ilAsyncContainerSelectionExplorer extends ilContainerSelectionExplorer
{
    protected array $js_conf;
 
    protected static array $js_on_load_added = [];
 
    protected ILIAS\HTTP\Wrapper\RequestWrapper $request_wrapper;
 
    public function __construct(string $target, Factory $refinery, ILIAS\HTTP\Wrapper\RequestWrapper $request_wrapper)
    {
        parent::__construct($target);
 
        $this->addJsConf('save_explorer_url', $target);
 
        $this->request_wrapper = $request_wrapper;
        $this->refinery = $refinery;
    }
 
    public static function addJavascript(): void
    {
        global $DIC;
        $tpl = $DIC['tpl'];
 
        $tpl->addJavaScript("./Services/UIComponent/Explorer/js/ilExplorer.js");
    }
 
    public function buildOnClick($node_id, string $type, string $title): string
    {
        $result = "";
        $ref_id = $this->request_wrapper->retrieve("ref_id", $this->refinery->kindlyTo()->int());
        if ($ref_id) {
            $result =
                "$('body').trigger('async_explorer-add_reference', {target_id: '" .
                $node_id .
                "', type: '" .
                $type .
                "', parent_id: '" .
                $ref_id .
                "'});";
        }
        return $result;
    }
 
    public function buildLinkTarget($node_id, string $type): string
    {
        return "javascript:void(0);";
    }
 
    public function getOutput(): string
    {
        $this->initJs();
 
        return parent::getOutput();
    }
 
    /*
     * Initializes the js
     * Adds the on load code for the async explorer
     */
    public function initJs(): void
    {
        $this->addOnLoadCode(
            'explorer',
            '$("#' . $this->getId() . '").study_programme_async_explorer(' . json_encode(
                $this->js_conf,
                JSON_THROW_ON_ERROR
            ) . ');'
        );
    }
 
    protected function addOnLoadCode(string $id, string $content): void
    {
        if (!isset(self::$js_on_load_added[$id])) {
            $this->tpl->addOnLoadCode($content);
            self::$js_on_load_added[$id] = $content;
        }
    }
 
    public function addJsConf(string $key, string $value): void
    {
        $this->js_conf[$key] = $value;
    }
 
    public function getJsConf(string $key): string
    {
        return $this->js_conf[$key];
    }
}