class.ilObjPluginDispatchGUI.php

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<?php

use ILIAS\Repository\PluginSlot\PluginSlotGUIRequest;

class ilObjPluginDispatchGUI implements ilCtrlBaseClassInterface
{
    protected ilCtrl $ctrl;
    protected PluginSlotGUIRequest $request;
    protected object $gui_obj;

    public function __construct()
    {
        global $DIC;

        $this->request = $DIC->repository()
            ->internal()
            ->gui()
            ->pluginSlot()
            ->request();

        $this->ctrl = $DIC->ctrl();
    }

    public function executeCommand(): void
    {
        $ilCtrl = $this->ctrl;

        $next_class = $ilCtrl->getNextClass();
        $cmd_class = strtolower($ilCtrl->getCmdClass());
        if ($cmd_class !== "ilobjplugindispatchgui" && $cmd_class !== "" && $cmd_class !== null) {
            $class_path = $ilCtrl->lookupClassPath($next_class);
            // note: $next_class is lower case, $class_name
            // has the correct case so that new $class_name will work
            // also note: if other places did a new $class_name already
            // the lower case name will work here "by accident", too
            $class_name = $ilCtrl->getClassForClasspath($class_path);
            $this->gui_obj = new $class_name($this->request->getRefId());
            $ilCtrl->forwardCommand($this->gui_obj);
        } else {
            $this->processCommand($ilCtrl->getCmd());
        }
    }

    public function processCommand(string $a_cmd): void
    {
        switch ($a_cmd) {
            case "forward":
                $this->forward();
                break;
        }
    }

    public function forward(): void
    {
        $ilCtrl = $this->ctrl;

        $type = ilObject::_lookupType($this->request->getRefId(), true);
        if ($type !== "") {
            $plugin = ilObjectPlugin::getPluginObjectByType($type);
            if ($plugin) {
                $gui_cn = "ilObj" . $plugin->getPluginName() . "GUI";
                $ilCtrl->setParameterByClass($gui_cn, "ref_id", $this->request->getRefId());
                $ilCtrl->redirectByClass($gui_cn, $this->request->getForwardCmd());
            }
        }
    }
}