75 lines
2.1 KiB
Dart
75 lines
2.1 KiB
Dart
import 'package:flutter/material.dart';
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import 'chartpart.dart';
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import 'singlebutton.dart';
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class HomeScreen extends StatefulWidget {
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@override
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_HomeScreenState createState() => _HomeScreenState();
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}
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class _HomeScreenState extends State<HomeScreen> {
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Color selectedColor = Colors.blue; // 默认颜色
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List<Color> colors = [Colors.blue, Colors.red, Colors.green, Colors.orange];
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List<List<Color>> groupColors = []; // 存储每个组的颜色
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@override
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void initState() {
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super.initState();
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// 初始化每个组的颜色
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for (int i = 0; i < 4; i++) {
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groupColors.add([colors[i % colors.length], colors[(i + 1) % colors.length]]);
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}
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}
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void updateGroupColor(int groupIndex, Color color) {
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setState(() {
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for (int i = 0; i < groupColors.length; i++) {
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// 只保留与选中颜色相同的颜色
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groupColors[i] = groupColors[i].first == color ? [color] : [Colors.transparent];
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}
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});
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}
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String colorToString(Color color) {
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// 将颜色转换为字符串
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if (color == Colors.blue) return 'Blue';
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if (color == Colors.red) return 'Red';
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if (color == Colors.green) return 'Green';
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if (color == Colors.orange) return 'Orange';
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return 'Unknown Color';
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: Text('信号质量'),
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),
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body: OrientationBuilder(builder: (context, orientation) {
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return Column(
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children: [
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SingleButton(
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colors: colors,
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onSelectionChanged: (color) {
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setState(() {
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selectedColor = color; // 更新选中的颜色
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// 更新所有组为选中颜色
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for (int i = 0; i < groupColors.length; i++) {
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updateGroupColor(i, selectedColor);
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}
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});
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},
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),
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Expanded(
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child: Center(
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child: ChartPart(groupColors: groupColors), // 将组颜色传递给 ChartPart
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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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