| // Copyright 2014 The Flutter Authors. 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'; |
| |
| import 'stock_types.dart'; |
| |
| class StockSettings extends StatefulWidget { |
| const StockSettings(this.configuration, this.updater); |
| |
| final StockConfiguration configuration; |
| final ValueChanged<StockConfiguration> updater; |
| |
| @override |
| StockSettingsState createState() => StockSettingsState(); |
| } |
| |
| class StockSettingsState extends State<StockSettings> { |
| void _handleOptimismChanged(bool value) { |
| value ??= false; |
| sendUpdates(widget.configuration.copyWith(stockMode: value ? StockMode.optimistic : StockMode.pessimistic)); |
| } |
| |
| void _handleBackupChanged(bool value) { |
| sendUpdates(widget.configuration.copyWith(backupMode: value ? BackupMode.enabled : BackupMode.disabled)); |
| } |
| |
| void _handleShowGridChanged(bool value) { |
| sendUpdates(widget.configuration.copyWith(debugShowGrid: value)); |
| } |
| |
| void _handleShowSizesChanged(bool value) { |
| sendUpdates(widget.configuration.copyWith(debugShowSizes: value)); |
| } |
| |
| void _handleShowBaselinesChanged(bool value) { |
| sendUpdates(widget.configuration.copyWith(debugShowBaselines: value)); |
| } |
| |
| void _handleShowLayersChanged(bool value) { |
| sendUpdates(widget.configuration.copyWith(debugShowLayers: value)); |
| } |
| |
| void _handleShowPointersChanged(bool value) { |
| sendUpdates(widget.configuration.copyWith(debugShowPointers: value)); |
| } |
| |
| void _handleShowRainbowChanged(bool value) { |
| sendUpdates(widget.configuration.copyWith(debugShowRainbow: value)); |
| } |
| |
| |
| void _handleShowPerformanceOverlayChanged(bool value) { |
| sendUpdates(widget.configuration.copyWith(showPerformanceOverlay: value)); |
| } |
| |
| void _handleShowSemanticsDebuggerChanged(bool value) { |
| sendUpdates(widget.configuration.copyWith(showSemanticsDebugger: value)); |
| } |
| |
| void _confirmOptimismChange() { |
| switch (widget.configuration.stockMode) { |
| case StockMode.optimistic: |
| _handleOptimismChanged(false); |
| break; |
| case StockMode.pessimistic: |
| showDialog<bool>( |
| context: context, |
| builder: (BuildContext context) { |
| return AlertDialog( |
| title: const Text('Change mode?'), |
| content: const Text('Optimistic mode means everything is awesome. Are you sure you can handle that?'), |
| actions: <Widget>[ |
| FlatButton( |
| child: const Text('NO THANKS'), |
| onPressed: () { |
| Navigator.pop(context, false); |
| }, |
| ), |
| FlatButton( |
| child: const Text('AGREE'), |
| onPressed: () { |
| Navigator.pop(context, true); |
| }, |
| ), |
| ], |
| ); |
| }, |
| ).then<void>(_handleOptimismChanged); |
| break; |
| } |
| } |
| |
| void sendUpdates(StockConfiguration value) { |
| if (widget.updater != null) |
| widget.updater(value); |
| } |
| |
| AppBar buildAppBar(BuildContext context) { |
| return AppBar( |
| title: const Text('Settings'), |
| ); |
| } |
| |
| Widget buildSettingsPane(BuildContext context) { |
| final List<Widget> rows = <Widget>[ |
| ListTile( |
| leading: const Icon(Icons.thumb_up), |
| title: const Text('Everything is awesome'), |
| onTap: _confirmOptimismChange, |
| trailing: Checkbox( |
| value: widget.configuration.stockMode == StockMode.optimistic, |
| onChanged: (bool value) => _confirmOptimismChange(), |
| ), |
| ), |
| ListTile( |
| leading: const Icon(Icons.backup), |
| title: const Text('Back up stock list to the cloud'), |
| onTap: () { _handleBackupChanged(!(widget.configuration.backupMode == BackupMode.enabled)); }, |
| trailing: Switch( |
| value: widget.configuration.backupMode == BackupMode.enabled, |
| onChanged: _handleBackupChanged, |
| ), |
| ), |
| ListTile( |
| leading: const Icon(Icons.picture_in_picture), |
| title: const Text('Show rendering performance overlay'), |
| onTap: () { _handleShowPerformanceOverlayChanged(!widget.configuration.showPerformanceOverlay); }, |
| trailing: Switch( |
| value: widget.configuration.showPerformanceOverlay, |
| onChanged: _handleShowPerformanceOverlayChanged, |
| ), |
| ), |
| ListTile( |
| leading: const Icon(Icons.accessibility), |
| title: const Text('Show semantics overlay'), |
| onTap: () { _handleShowSemanticsDebuggerChanged(!widget.configuration.showSemanticsDebugger); }, |
| trailing: Switch( |
| value: widget.configuration.showSemanticsDebugger, |
| onChanged: _handleShowSemanticsDebuggerChanged, |
| ), |
| ), |
| ]; |
| assert(() { |
| // material grid and size construction lines are only available in checked mode |
| rows.addAll(<Widget>[ |
| ListTile( |
| leading: const Icon(Icons.border_clear), |
| title: const Text('Show material grid (for debugging)'), |
| onTap: () { _handleShowGridChanged(!widget.configuration.debugShowGrid); }, |
| trailing: Switch( |
| value: widget.configuration.debugShowGrid, |
| onChanged: _handleShowGridChanged, |
| ), |
| ), |
| ListTile( |
| leading: const Icon(Icons.border_all), |
| title: const Text('Show construction lines (for debugging)'), |
| onTap: () { _handleShowSizesChanged(!widget.configuration.debugShowSizes); }, |
| trailing: Switch( |
| value: widget.configuration.debugShowSizes, |
| onChanged: _handleShowSizesChanged, |
| ), |
| ), |
| ListTile( |
| leading: const Icon(Icons.format_color_text), |
| title: const Text('Show baselines (for debugging)'), |
| onTap: () { _handleShowBaselinesChanged(!widget.configuration.debugShowBaselines); }, |
| trailing: Switch( |
| value: widget.configuration.debugShowBaselines, |
| onChanged: _handleShowBaselinesChanged, |
| ), |
| ), |
| ListTile( |
| leading: const Icon(Icons.filter_none), |
| title: const Text('Show layer boundaries (for debugging)'), |
| onTap: () { _handleShowLayersChanged(!widget.configuration.debugShowLayers); }, |
| trailing: Switch( |
| value: widget.configuration.debugShowLayers, |
| onChanged: _handleShowLayersChanged, |
| ), |
| ), |
| ListTile( |
| leading: const Icon(Icons.mouse), |
| title: const Text('Show pointer hit-testing (for debugging)'), |
| onTap: () { _handleShowPointersChanged(!widget.configuration.debugShowPointers); }, |
| trailing: Switch( |
| value: widget.configuration.debugShowPointers, |
| onChanged: _handleShowPointersChanged, |
| ), |
| ), |
| ListTile( |
| leading: const Icon(Icons.gradient), |
| title: const Text('Show repaint rainbow (for debugging)'), |
| onTap: () { _handleShowRainbowChanged(!widget.configuration.debugShowRainbow); }, |
| trailing: Switch( |
| value: widget.configuration.debugShowRainbow, |
| onChanged: _handleShowRainbowChanged, |
| ), |
| ), |
| ]); |
| return true; |
| }()); |
| return ListView( |
| padding: const EdgeInsets.symmetric(vertical: 20.0), |
| children: rows, |
| ); |
| } |
| |
| @override |
| Widget build(BuildContext context) { |
| return Scaffold( |
| appBar: buildAppBar(context), |
| body: buildSettingsPane(context), |
| ); |
| } |
| } |