class.ilLightboxGUI.php

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<?php

class ilLightboxGUI
{
    protected ilGlobalTemplateInterface $tpl;
    protected string $id = "";
    protected string $width;

    public function __construct(string $a_id)
    {
        global $DIC;

        $this->tpl = $DIC->ui()->mainTemplate();
        $this->setId($a_id);
    }

    public function setId(string $a_val): void
    {
        $this->id = $a_val;
    }

    public function getId(): string
    {
        return $this->id;
    }

    public function setWidth(string $a_val): void
    {
        $this->width = $a_val;
    }

    public function getWidth(): string
    {
        return $this->width;
    }

    public static function getLocalLightboxJsPath(): string
    {
        return "./Services/UIComponent/Lightbox/js/Lightbox.js";
    }

    public function addLightbox(\ilGlobalTemplateInterface $a_tpl = null): void
    {
        $tpl = $this->tpl;

        if ($a_tpl === null) {
            $a_tpl = $tpl;
        }

        $a_tpl->addJavaScript(self::getLocalLightboxJsPath());
        $a_tpl->addLightbox($this->getHTML(), $this->getId());
    }

    public function getHTML(): string
    {
        $tpl = new ilTemplate("tpl.lightbox.html", true, true, "Services/UIComponent/Lightbox");
        $tpl->setVariable("LIGHTBOX_CONTENT", "");
        $tpl->setVariable("ID", $this->getId());
        if ($this->getWidth() !== "") {
            $tpl->setVariable("WIDTH", "width: " . $this->getWidth() . ";");
        }
        return $tpl->get();
    }
}