// Copyright (C) 2022 WYATT GROUP // Please see the AUTHORS file for details. // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // 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 General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program. If not, see . /// This file contains the [Layout] abstract class, which provides a base /// for creating custom layout widgets in Flutter. import 'package:flutter/material.dart'; /// An abstract class that provides a base for creating custom layout widgets. /// /// This class can be used as a base for creating custom layout widgets in /// Flutter. It extends the [StatelessWidget] class and adds support for /// providing a custom key. Custom layout widgets that extend this class should /// override the [build] method to define the layout. abstract class Layout extends StatelessWidget { /// Creates a new [Layout] instance. /// /// [key] is an optional parameter that can be used to provide a custom key /// for the widget. const Layout({super.key}); } abstract class StructuralLayout extends Layout { const StructuralLayout({super.key}); } abstract class ContentLayout extends Layout { const ContentLayout({super.key}); }