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https://github.com/flutter/samples.git
synced 2026-03-31 16:55:34 +00:00
slide_puzzle: use pkg:provider
This commit is contained in:
Kevin Moore
@@ -2,32 +2,31 @@
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:provider/provider.dart';
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import 'app_state.dart';
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import 'core/puzzle_animator.dart';
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import 'flutter.dart';
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import 'puzzle_flow_delegate.dart';
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import 'themes.dart';
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import 'widgets/material_interior_alt.dart';
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abstract class SharedTheme {
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SharedTheme(this._appState);
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final AppState _appState;
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PuzzleProxy get puzzle => _appState.puzzle;
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const SharedTheme();
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String get name;
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Color get puzzleThemeBackground;
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RoundedRectangleBorder get puzzleBorder;
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RoundedRectangleBorder puzzleBorder(bool small);
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Color get puzzleBackgroundColor;
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Color get puzzleAccentColor;
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EdgeInsetsGeometry get tilePadding => const EdgeInsets.all(6);
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EdgeInsetsGeometry tilePadding(PuzzleProxy puzzle) => const EdgeInsets.all(6);
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Widget tileButton(int i);
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Widget tileButton(int i, AppState appState, bool small);
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Ink createInk(
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Widget child, {
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@@ -43,6 +42,8 @@ abstract class SharedTheme {
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);
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Widget createButton(
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AppState appState,
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bool small,
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int tileValue,
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Widget content, {
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Color color,
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@@ -50,178 +51,164 @@ abstract class SharedTheme {
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}) =>
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AnimatedContainer(
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duration: _puzzleAnimationDuration,
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padding: tilePadding,
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padding: tilePadding(appState.puzzle),
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child: RaisedButton(
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elevation: 4,
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clipBehavior: Clip.hardEdge,
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animationDuration: _puzzleAnimationDuration,
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onPressed: () => _tilePress(tileValue),
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shape: shape ?? puzzleBorder,
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onPressed: () => appState.clickOrShake(tileValue),
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shape: shape ?? puzzleBorder(small),
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padding: const EdgeInsets.symmetric(),
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child: content,
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color: color,
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),
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);
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double _previousConstraintWidth;
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bool _small;
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bool get small => _small;
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void _updateConstraints(BoxConstraints constraints) {
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Widget _updateConstraints(
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BoxConstraints constraints, Widget Function(bool small) builder) {
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const _smallWidth = 580;
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final constraintWidth =
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constraints.hasBoundedWidth ? constraints.maxWidth : 1000.0;
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if (constraintWidth == _previousConstraintWidth) {
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assert(_small != null);
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return;
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}
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_previousConstraintWidth = constraintWidth;
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if (_previousConstraintWidth < _smallWidth) {
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_small = true;
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} else {
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_small = false;
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}
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return builder(constraintWidth < _smallWidth);
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}
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Widget build(BuildContext context, BoxConstraints constraints) {
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_updateConstraints(constraints);
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return Material(
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child: Stack(
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children: <Widget>[
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const SizedBox.expand(
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child: FittedBox(
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fit: BoxFit.cover,
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child: Image(
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image: AssetImage('seattle.jpg'),
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),
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),
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),
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AnimatedContainer(
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duration: _puzzleAnimationDuration,
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color: puzzleThemeBackground,
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child: Center(
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child: _styledWrapper(
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SizedBox(
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width: 580,
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: <Widget>[
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Container(
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decoration: const BoxDecoration(
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border: Border(
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bottom: BorderSide(
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color: Colors.black26,
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width: 1,
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Widget build(BuildContext context, BoxConstraints constraints) =>
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_updateConstraints(
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constraints,
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(small) => Material(
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child: Stack(
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children: <Widget>[
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const SizedBox.expand(
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child: FittedBox(
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fit: BoxFit.cover,
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child: Image(
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image: AssetImage('seattle.jpg'),
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),
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),
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),
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AnimatedContainer(
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duration: _puzzleAnimationDuration,
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color: puzzleThemeBackground,
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child: Center(
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child: _styledWrapper(
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small,
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SizedBox(
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width: 580,
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child: Consumer<AppState>(
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builder: (context, appState, _) => Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: <Widget>[
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Container(
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decoration: const BoxDecoration(
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border: Border(
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bottom: BorderSide(
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color: Colors.black26,
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width: 1,
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),
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),
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),
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margin: const EdgeInsets.symmetric(
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horizontal: 20),
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child: TabBar(
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controller:
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Provider.of<TabController>(context),
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labelPadding: const EdgeInsets.fromLTRB(
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0, 20, 0, 12),
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labelColor: puzzleAccentColor,
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indicatorColor: puzzleAccentColor,
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indicatorWeight: 1.5,
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unselectedLabelColor:
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Colors.black.withOpacity(0.6),
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tabs: themes
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.map((st) => Text(
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st.name.toUpperCase(),
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style: const TextStyle(
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letterSpacing: 0.5,
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),
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))
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.toList(),
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),
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),
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Container(
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constraints:
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const BoxConstraints.tightForFinite(),
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padding: const EdgeInsets.all(10),
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child: Flow(
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delegate: PuzzleFlowDelegate(
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small
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? const Size(90, 90)
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: const Size(140, 140),
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appState.puzzle,
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appState.animationNotifier,
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),
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children: List<Widget>.generate(
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appState.puzzle.length,
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(i) =>
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_tileButton(i, appState, small),
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),
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),
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),
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Container(
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decoration: const BoxDecoration(
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border: Border(
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top: BorderSide(
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color: Colors.black26, width: 1),
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),
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),
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padding: const EdgeInsets.only(
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left: 10,
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bottom: 6,
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top: 2,
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right: 10,
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),
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child: Row(
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children: _bottomControls(appState)),
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)
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],
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),
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),
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),
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),
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margin: const EdgeInsets.symmetric(horizontal: 20),
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child: TabBar(
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controller: _appState.tabController,
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labelPadding: const EdgeInsets.fromLTRB(0, 20, 0, 12),
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labelColor: puzzleAccentColor,
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indicatorColor: puzzleAccentColor,
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indicatorWeight: 1.5,
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unselectedLabelColor: Colors.black.withOpacity(0.6),
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tabs: _appState.themeData
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.map((st) => Text(
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st.name.toUpperCase(),
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style: const TextStyle(
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letterSpacing: 0.5,
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),
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))
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.toList(),
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),
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),
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Container(
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constraints: const BoxConstraints.tightForFinite(),
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padding: const EdgeInsets.all(10),
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child: Flow(
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delegate: PuzzleFlowDelegate(
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small ? const Size(90, 90) : const Size(140, 140),
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puzzle,
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_appState.animationNotifier,
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),
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children: List<Widget>.generate(
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puzzle.length,
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_tileButton,
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),
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),
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),
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Container(
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decoration: const BoxDecoration(
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border: Border(
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top: BorderSide(color: Colors.black26, width: 1),
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),
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),
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padding: const EdgeInsets.only(
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left: 10,
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bottom: 6,
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top: 2,
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right: 10,
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),
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child: Row(children: _bottomControls(context)),
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)
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],
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),
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),
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),
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),
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)
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],
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));
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}
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)
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],
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)));
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Duration get _puzzleAnimationDuration => kThemeAnimationDuration * 3;
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// Thought about using AnimatedContainer here, but it causes some weird
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// resizing behavior
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Widget _styledWrapper(Widget child) => MaterialInterior(
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Widget _styledWrapper(bool small, Widget child) => MaterialInterior(
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duration: _puzzleAnimationDuration,
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shape: puzzleBorder,
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shape: puzzleBorder(small),
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color: puzzleBackgroundColor,
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child: child,
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);
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void Function(bool newValue) get _setAutoPlay {
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if (puzzle.solved) {
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return null;
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}
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return _appState.setAutoPlay;
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}
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void _tilePress(int tileValue) {
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_appState.setAutoPlay(false);
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_appState.puzzle.clickOrShake(tileValue);
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}
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TextStyle get _infoStyle => TextStyle(
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color: puzzleAccentColor,
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fontWeight: FontWeight.bold,
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);
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List<Widget> _bottomControls(BuildContext context) => <Widget>[
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List<Widget> _bottomControls(AppState appState) => <Widget>[
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IconButton(
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onPressed: puzzle.reset,
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onPressed: appState.puzzle.reset,
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icon: Icon(Icons.refresh, color: puzzleAccentColor),
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//Icons.refresh,
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),
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Checkbox(
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value: _appState.autoPlay,
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onChanged: _setAutoPlay,
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value: appState.autoPlay,
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onChanged: appState.setAutoPlayFunction,
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activeColor: puzzleAccentColor,
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),
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Expanded(
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child: Container(),
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),
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Text(
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puzzle.clickCount.toString(),
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appState.puzzle.clickCount.toString(),
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textAlign: TextAlign.right,
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style: _infoStyle,
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),
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@@ -229,7 +216,7 @@ abstract class SharedTheme {
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SizedBox(
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width: 28,
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child: Text(
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puzzle.incorrectTiles.toString(),
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appState.puzzle.incorrectTiles.toString(),
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textAlign: TextAlign.right,
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style: _infoStyle,
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),
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@@ -237,11 +224,11 @@ abstract class SharedTheme {
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const Text(' Tiles left ')
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];
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Widget _tileButton(int i) {
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if (i == puzzle.tileCount && !puzzle.solved) {
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Widget _tileButton(int i, AppState appState, bool small) {
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if (i == appState.puzzle.tileCount && !appState.puzzle.solved) {
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return const Center();
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}
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return tileButton(i);
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return tileButton(i, appState, small);
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}
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}
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