| // Copyright 2019 The Flutter team. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| import 'package:flutter/material.dart'; |
| |
| class VerticalFractionBar extends StatelessWidget { |
| const VerticalFractionBar({this.color, this.fraction}); |
| |
| final Color color; |
| final double fraction; |
| |
| @override |
| Widget build(BuildContext context) { |
| return LayoutBuilder(builder: (context, constraints) { |
| return SizedBox( |
| height: constraints.maxHeight, |
| width: 4, |
| child: Column( |
| children: [ |
| SizedBox( |
| height: (1 - fraction) * constraints.maxHeight, |
| child: Container( |
| color: Colors.black, |
| ), |
| ), |
| SizedBox( |
| height: fraction * constraints.maxHeight, |
| child: Container(color: color), |
| ), |
| ], |
| ), |
| ); |
| }); |
| } |
| } |