<?php

namespace wcf\data;

/**
 * Database objects that support links with preview popovers via `WoltLabSuite/Core/Controller/Popover`
 * can implement this interface so that when the `anchor` template plugin is used and the CSS class name
 * returned by `getPopoverLinkClass()` is given, the `data-object-id` attribute is automatically added
 * to support the preview popover.
 *
 * @author  Matthias Schmidt
 * @copyright   2001-2020 WoltLab GmbH
 * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
 * @package WoltLabSuite\Core\Data
 * @since   5.3
 */
interface IPopoverObject extends IIDObject, ITitledLinkObject
{
    /**
     * Returns the CSS class that objects of this type use for popover links.
     *
     * @return  string
     */
    public function getPopoverLinkClass();
}