<?php

declare(strict_types=1);

/**
 * @copyright Copyright (c) 2020 Julius Härtl <jus@bitgrid.net>
 *
 * @author Julius Härtl <jus@bitgrid.net>
 *
 * @license GNU AGPL version 3 or any later version
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 */

namespace OCP\Dashboard;

/**
 * Interface IPanel
 *
 * @package OCP\Dashboard
 * @since 20.0.0
 */
interface IPanel {

	/**
	 * @return string Unique id that identifies the panel, e.g. the app id
	 * @since 20.0.0
	 */
	public function getId(): string;

	/**
	 * @return string User facing title of the panel
	 * @since 20.0.0
	 */
	public function getTitle(): string;

	/**
	 * @return int Initial order for panel sorting
	 * @since 20.0.0
	 */
	public function getOrder(): int;

	/**
	 * @return string css class that displays an icon next to the panel title
	 * @since 20.0.0
	 */
	public function getIconClass(): string;

	/**
	 * @return string|null The absolute url to the apps own view
	 * @since 20.0.0
	 */
	public function getUrl(): ?string;

	/**
	 * Execute panel bootstrap code like loading scripts and providing initial state
	 * @since 20.0.0
	 */
	public function load(): void;
}