class.ilDashboardPageGUI.php

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<?php

declare(strict_types=1);

class ilDashboardPageGUI extends ilPageObjectGUI
{
    public function __construct(string $lang)
    {
        if ($lang === '') {
            throw new ilCOPageException('No language provided for Dashboard page');
        }
        $page = new ilDashboardPage();
        if (!ilPageObject::_exists($page->getParentType(), $page->getParentId(), $lang)) {
            $page->setId($page->getParentId());
            $page->setLanguage($lang);
            $page->create();
        }
        parent::__construct($page->getParentType(), $page->getParentId(), 0, false, $lang);
    }


    public function afterConstructor(): void
    {
        $this->ctrl->setParameter($this, $this->getPageObject()->getParentType() . '_lang', $this->getLanguage());
        $this->tpl->addCss(ilObjStyleSheet::getContentStylePath(ilObjStyleSheet::lookupObjectStyle($this->getId())));
    }

    public function finishEditing(): void
    {
        $this->ctrl->redirectByClass(ilObjDashboardSettingsGUI::class, 'view');
    }

    public function executeCommand(): string
    {
        if ($this->ctrl->getCmd() === 'delete') {
            $this->getPageObject()->delete();
            $this->finishEditing();
        }
        return parent::executeCommand();
    }

    public function getAdditionalPageActions(): array
    {
        $this->ctrl->setParameterByClass(ilObjDashboardSettingsGUI::class, $this->getParentType() . '_lang', $this->getLanguage());
        return [$this->ui->factory()->link()->standard(
            $this->lng->txt("obj_sty"),
            $this->ctrl->getLinkTargetByClass([
                ilObjDashboardSettingsGUI::class,
                ilObjectContentStyleSettingsGUI::class
            ], "")
        )];
    }

    public static function isLanguageAvailable(string $lang): bool
    {
        $page = new ilDashboardPage();
        return ilPageObject::_existsAndNotEmpty($page->getParentType(), $page->getParentId(), $lang);
    }
}