Common Widgets - by Simon Lightfoot

common.dart

// ignore_for_file: public_member_api_docs
// MIT License
//
// Copyright (c) 2024 Simon Lightfoot
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
import 'package:flutter/widgets.dart'
    show BorderRadius, EdgeInsets, EdgeInsetsDirectional, SizedBox, SliverToBoxAdapter;

const emptyWidget = SizedBox();
const emptyWidgetWide = SizedBox(width: double.infinity);

// Margins

const horizontalMargin4 = SizedBox(width: 4.0);
const horizontalMargin8 = SizedBox(width: 8.0);
const horizontalMargin12 = SizedBox(width: 12.0);
const horizontalMargin16 = SizedBox(width: 16.0);
const horizontalMargin24 = SizedBox(width: 24.0);
const horizontalMargin32 = SizedBox(width: 32.0);
const horizontalMargin48 = SizedBox(width: 48.0);

const verticalMargin2 = SizedBox(height: 2.0);
const verticalMargin4 = SizedBox(height: 4.0);
const verticalMargin8 = SizedBox(height: 8.0);
const verticalMargin12 = SizedBox(height: 12.0);
const verticalMargin16 = SizedBox(height: 16.0);
const verticalMargin24 = SizedBox(height: 24.0);
const verticalMargin32 = SizedBox(height: 32.0);
const verticalMargin48 = SizedBox(height: 48.0);
const verticalMargin64 = SizedBox(height: 64.0);
const verticalMargin96 = SizedBox(height: 96.0);

const sliverVerticalMargin4 = SliverToBoxAdapter(child: SizedBox(height: 4.0));
const sliverVerticalMargin8 = SliverToBoxAdapter(child: SizedBox(height: 8.0));
const sliverVerticalMargin12 = SliverToBoxAdapter(child: SizedBox(height: 12.0));
const sliverVerticalMargin16 = SliverToBoxAdapter(child: SizedBox(height: 16.0));
const sliverVerticalMargin24 = SliverToBoxAdapter(child: SizedBox(height: 24.0));
const sliverVerticalMargin32 = SliverToBoxAdapter(child: SizedBox(height: 32.0));
const sliverVerticalMargin48 = SliverToBoxAdapter(child: SizedBox(height: 48.0));

// Paddings

const emptyPadding = EdgeInsets.zero;

const horizontalPadding4 = EdgeInsets.symmetric(horizontal: 4.0);
const horizontalPadding8 = EdgeInsets.symmetric(horizontal: 8.0);
const horizontalPadding12 = EdgeInsets.symmetric(horizontal: 12.0);
const horizontalPadding16 = EdgeInsets.symmetric(horizontal: 16.0);
const horizontalPadding24 = EdgeInsets.symmetric(horizontal: 24.0);
const horizontalPadding32 = EdgeInsets.symmetric(horizontal: 32.0);
const horizontalPadding48 = EdgeInsets.symmetric(horizontal: 48.0);

const verticalPadding2 = EdgeInsets.symmetric(vertical: 2.0);
const verticalPadding4 = EdgeInsets.symmetric(vertical: 4.0);
const verticalPadding8 = EdgeInsets.symmetric(vertical: 8.0);
const verticalPadding12 = EdgeInsets.symmetric(vertical: 12.0);
const verticalPadding16 = EdgeInsets.symmetric(vertical: 16.0);
const verticalPadding24 = EdgeInsets.symmetric(vertical: 24.0);
const verticalPadding32 = EdgeInsets.symmetric(vertical: 32.0);
const verticalPadding48 = EdgeInsets.symmetric(vertical: 48.0);

const allPadding4 = EdgeInsets.all(4.0);
const allPadding8 = EdgeInsets.all(8.0);
const allPadding12 = EdgeInsets.all(12.0);
const allPadding16 = EdgeInsets.all(16.0);
const allPadding24 = EdgeInsets.all(24.0);
const allPadding32 = EdgeInsets.all(32.0);
const allPadding48 = EdgeInsets.all(48.0);

const topPadding1 = EdgeInsets.only(top: 1.0);
const topPadding2 = EdgeInsets.only(top: 2.0);
const topPadding4 = EdgeInsets.only(top: 4.0);
const topPadding8 = EdgeInsets.only(top: 8.0);
const topPadding12 = EdgeInsets.only(top: 12.0);
const topPadding16 = EdgeInsets.only(top: 16.0);
const topPadding24 = EdgeInsets.only(top: 24.0);
const topPadding32 = EdgeInsets.only(top: 32.0);
const topPadding48 = EdgeInsets.only(top: 48.0);
const topPadding72 = EdgeInsets.only(top: 72.0);
const topPadding96 = EdgeInsets.only(top: 96.0);

const bottomPadding1 = EdgeInsets.only(bottom: 1.0);
const bottomPadding2 = EdgeInsets.only(bottom: 2.0);
const bottomPadding4 = EdgeInsets.only(bottom: 4.0);
const bottomPadding8 = EdgeInsets.only(bottom: 8.0);
const bottomPadding12 = EdgeInsets.only(bottom: 12.0);
const bottomPadding16 = EdgeInsets.only(bottom: 16.0);
const bottomPadding24 = EdgeInsets.only(bottom: 24.0);
const bottomPadding32 = EdgeInsets.only(bottom: 32.0);
const bottomPadding48 = EdgeInsets.only(bottom: 48.0);

const leftPadding4 = EdgeInsets.only(left: 4.0);
const leftPadding8 = EdgeInsets.only(left: 8.0);
const leftPadding12 = EdgeInsets.only(left: 12.0);
const leftPadding16 = EdgeInsets.only(left: 16.0);
const leftPadding24 = EdgeInsets.only(left: 24.0);
const leftPadding32 = EdgeInsets.only(left: 32.0);
const leftPadding48 = EdgeInsets.only(left: 48.0);

const rightPadding2 = EdgeInsets.only(right: 2.0);
const rightPadding4 = EdgeInsets.only(right: 4.0);
const rightPadding8 = EdgeInsets.only(right: 8.0);
const rightPadding12 = EdgeInsets.only(right: 12.0);
const rightPadding16 = EdgeInsets.only(right: 16.0);
const rightPadding24 = EdgeInsets.only(right: 24.0);
const rightPadding32 = EdgeInsets.only(right: 32.0);
const rightPadding48 = EdgeInsets.only(right: 48.0);

const startPadding4 = EdgeInsetsDirectional.only(start: 4.0);
const startPadding8 = EdgeInsetsDirectional.only(start: 8.0);
const startPadding12 = EdgeInsetsDirectional.only(start: 12.0);
const startPadding16 = EdgeInsetsDirectional.only(start: 16.0);
const startPadding24 = EdgeInsetsDirectional.only(start: 24.0);
const startPadding32 = EdgeInsetsDirectional.only(start: 32.0);
const startPadding48 = EdgeInsetsDirectional.only(start: 48.0);

const endPadding4 = EdgeInsetsDirectional.only(end: 4.0);
const endPadding8 = EdgeInsetsDirectional.only(end: 8.0);
const endPadding12 = EdgeInsetsDirectional.only(end: 12.0);
const endPadding16 = EdgeInsetsDirectional.only(end: 16.0);
const endPadding24 = EdgeInsetsDirectional.only(end: 24.0);
const endPadding32 = EdgeInsetsDirectional.only(end: 32.0);
const endPadding48 = EdgeInsetsDirectional.only(end: 48.0);

final borderRadius4 = BorderRadius.circular(4);
final borderRadius8 = BorderRadius.circular(8);
final borderRadius12 = BorderRadius.circular(12);
final borderRadius16 = BorderRadius.circular(16);
final borderRadius24 = BorderRadius.circular(24);
final borderRadius32 = BorderRadius.circular(32);
final borderRadius48 = BorderRadius.circular(48);