120 lines
3.6 KiB
Text
120 lines
3.6 KiB
Text
// Copyright 2014 The Flutter Authors. All rights reserved.
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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:flutter/material.dart';
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void main() {
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// Changes made in https://github.com/flutter/flutter/pull/142151
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WidgetState selected = WidgetState.selected;
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WidgetState hovered = WidgetState.hovered;
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WidgetState focused = WidgetState.focused;
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WidgetState pressed = WidgetState.pressed;
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WidgetState dragged = WidgetState.dragged;
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WidgetState scrolledUnder = WidgetState.scrolledUnder;
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WidgetState disabled = WidgetState.disabled;
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WidgetState error = WidgetState.error;
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final WidgetPropertyResolver<MouseCursor?> resolveCallback;
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Color getColor(Set<WidgetState> states) {
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if (states.contains(WidgetState.disabled)) {
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if (states.contains(WidgetState.selected)) {
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return Color(0xFF000002);
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}
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return Color(0xFF000004);
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}
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if (states.contains(WidgetState.selected)) {
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return Color(0xFF000001);
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}
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return Color(0xFF000003);
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}
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final WidgetStateProperty<Color> backgroundColor =
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WidgetStateColor.resolveWith(getColor);
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TextStyle floatingLabelStyle = WidgetStateTextStyle.resolveWith((
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Set<WidgetState> states,
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) {
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final Color color =
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states.contains(WidgetState.error)
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? Theme.of(context).colorScheme.error
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: Colors.orange;
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return TextStyle(color: color, letterSpacing: 1.3);
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});
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final WidgetStateProperty<Icon?> thumbIcon =
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WidgetStateProperty.resolveWith<Icon?>((Set<WidgetState> states) {
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if (states.contains(WidgetState.selected)) {
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return const Icon(Icons.check);
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}
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return const Icon(Icons.close);
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});
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final Color backgroundColor = WidgetStatePropertyAll<Color>(
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Colors.blue.withOpacity(0.12),
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);
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final WidgetStatesController statesController = WidgetStatesController(
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<WidgetState>{if (widget.selected) WidgetState.selected},
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);
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}
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class _MouseCursor extends WidgetStateMouseCursor {
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const _MouseCursor(this.resolveCallback);
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final WidgetPropertyResolver<MouseCursor?> resolveCallback;
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@override
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MouseCursor resolve(Set<WidgetState> states) =>
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resolveCallback(states) ?? MouseCursor.uncontrolled;
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}
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class SelectedBorder extends RoundedRectangleBorder
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implements WidgetStateOutlinedBorder {
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const SelectedBorder();
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@override
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OutlinedBorder? resolve(Set<WidgetState> states) {
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if (states.contains(WidgetState.selected)) {
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return const RoundedRectangleBorder();
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}
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return null;
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}
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}
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class _MyWidget extends StatefulWidget {
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const _MyWidget({
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required this.controller,
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required this.evaluator,
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required this.materialState,
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});
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final bool Function(_MyWidgetState state) evaluator;
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/// Stream passed down to the child [_InnerWidget] to begin the process.
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/// This plays the role of an actual user interaction in the wild, but allows
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/// us to engage the system without mocking pointers/hovers etc.
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final StreamController<bool> controller;
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/// The value we're watching in the given test.
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final WidgetState materialState;
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WidgetStateBorderSide? get side {
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return WidgetStateBorderSide.resolveWith((Set<WidgetState> states) {
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if (states.contains(WidgetState.disabled)) {
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if (states.contains(WidgetState.selected)) {
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return const BorderSide(width: 2.0);
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}
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return BorderSide(width: 1.0);
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}
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if (states.contains(WidgetState.selected)) {
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return const BorderSide(width: 1.5);
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}
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return BorderSide(width: 0.5);
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});
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}
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@override
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State createState() => _MyWidgetState();
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}
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