class.ilObjExerciseAdministrationGUI.php

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<?php

class ilObjExerciseAdministrationGUI extends ilObjectGUI
{
    public function __construct($a_data, int $a_id, bool $a_call_by_reference = true, bool $a_prepare_output = true)
    {
        global $DIC;

        $this->lng = $DIC->language();
        $this->settings = $DIC->settings();
        $this->ctrl = $DIC->ctrl();
        $this->access = $DIC->access();
        $this->type = "excs";
        parent::__construct($a_data, $a_id, $a_call_by_reference, $a_prepare_output);

        $this->lng->loadLanguageModule("exercise");
    }

    public function executeCommand(): void
    {
        $next_class = $this->ctrl->getNextClass($this);
        $cmd = $this->ctrl->getCmd();

        $this->prepareOutput();

        switch ($next_class) {
            case 'ilpermissiongui':
                $this->tabs_gui->setTabActive('perm_settings');
                $perm_gui = new ilPermissionGUI($this);
                $this->ctrl->forwardCommand($perm_gui);
                break;

            default:
                if (!$cmd || $cmd == 'view') {
                    $cmd = "editSettings";
                }
                $this->$cmd();
                break;
        }
    }

    public function getAdminTabs(): void
    {
        if ($this->checkPermissionBool("visible,read")) {
            $this->tabs_gui->addTarget(
                "settings",
                $this->ctrl->getLinkTarget($this, "editSettings"),
                array("editSettings", "view")
            );
        }

        if ($this->checkPermissionBool('edit_permission')) {
            $this->tabs_gui->addTarget(
                "perm_settings",
                $this->ctrl->getLinkTargetByClass('ilpermissiongui', "perm"),
                array(),
                'ilpermissiongui'
            );
        }
    }

    public function editSettings(?ilPropertyFormGUI $a_form = null): void
    {
        $this->tabs_gui->setTabActive('settings');

        if ($a_form === null) {
            $a_form = $this->initFormSettings();
        }
        $this->tpl->setContent($a_form->getHTML());
    }

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

        $this->checkPermission("write");

        $form = $this->initFormSettings();
        if ($form->checkInput()) {
            $exc_set = new ilSetting("excs");
            $exc_set->set("add_to_pd", (bool) $form->getInput("pd"));

            $this->tpl->setOnScreenMessage('success', $this->lng->txt("settings_saved"), true);
            $ilCtrl->redirect($this, "editSettings");
        }

        $form->setValuesByPost();
        $this->editSettings($form);
    }

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

        $ilCtrl->redirect($this, "view");
    }

    protected function initFormSettings(): ilPropertyFormGUI
    {
        $lng = $this->lng;

        $form = new ilPropertyFormGUI();
        $form->setFormAction($this->ctrl->getFormAction($this));
        $form->setTitle($this->lng->txt('exc_admin_settings'));

        if ($this->checkPermissionBool("write")) {
            $form->addCommandButton('saveSettings', $this->lng->txt('save'));
            $form->addCommandButton('cancel', $this->lng->txt('cancel'));
        }

        $exc_set = new ilSetting("excs");

        $pd = new ilCheckboxInputGUI($lng->txt("to_desktop"), "pd");
        $pd->setInfo($lng->txt("exc_to_desktop_info"));
        $pd->setChecked($exc_set->get("add_to_pd", true));
        $form->addItem($pd);

        return $form;
    }
}