165 lines
4.8 KiB
Dart
165 lines
4.8 KiB
Dart
import 'package:fl_chart_app/presentation/resources/app_resources.dart';
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import 'package:fl_chart/fl_chart.dart';
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import 'package:fl_chart_app/presentation/widgets/indicator.dart';
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import 'package:flutter/material.dart';
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class PieChartSample2 extends StatefulWidget {
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const PieChartSample2({super.key});
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@override
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State<StatefulWidget> createState() => PieChart2State();
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}
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class PieChart2State extends State {
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int touchedIndex = -1;
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@override
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Widget build(BuildContext context) {
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return AspectRatio(
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aspectRatio: 1.3,
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child: Row(
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children: <Widget>[
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const SizedBox(
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height: 18,
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),
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Expanded(
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child: AspectRatio(
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aspectRatio: 1,
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child: PieChart(
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PieChartData(
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pieTouchData: PieTouchData(
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touchCallback: (FlTouchEvent event, pieTouchResponse) {
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setState(() {
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if (!event.isInterestedForInteractions ||
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pieTouchResponse == null ||
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pieTouchResponse.touchedSection == null) {
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touchedIndex = -1;
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return;
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}
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touchedIndex = pieTouchResponse
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.touchedSection!.touchedSectionIndex;
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});
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},
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),
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borderData: FlBorderData(
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show: false,
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),
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sectionsSpace: 0,
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centerSpaceRadius: 40,
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sections: showingSections(),
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),
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),
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),
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),
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const Column(
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mainAxisAlignment: MainAxisAlignment.end,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: <Widget>[
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Indicator(
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color: AppColors.contentColorBlue,
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text: 'First',
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isSquare: true,
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),
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SizedBox(
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height: 4,
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),
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Indicator(
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color: AppColors.contentColorYellow,
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text: 'Second',
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isSquare: true,
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),
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SizedBox(
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height: 4,
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),
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Indicator(
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color: AppColors.contentColorPurple,
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text: 'Third',
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isSquare: true,
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),
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SizedBox(
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height: 4,
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),
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Indicator(
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color: AppColors.contentColorGreen,
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text: 'Fourth',
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isSquare: true,
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),
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SizedBox(
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height: 18,
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),
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],
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),
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const SizedBox(
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width: 28,
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),
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],
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),
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);
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}
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List<PieChartSectionData> showingSections() {
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return List.generate(4, (i) {
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final isTouched = i == touchedIndex;
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final fontSize = isTouched ? 25.0 : 16.0;
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final radius = isTouched ? 60.0 : 50.0;
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const shadows = [Shadow(color: Colors.black, blurRadius: 2)];
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switch (i) {
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case 0:
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return PieChartSectionData(
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color: AppColors.contentColorBlue,
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value: 40,
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title: '40%',
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radius: radius,
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titleStyle: TextStyle(
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fontSize: fontSize,
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fontWeight: FontWeight.bold,
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color: AppColors.mainTextColor1,
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shadows: shadows,
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),
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);
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case 1:
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return PieChartSectionData(
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color: AppColors.contentColorYellow,
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value: 30,
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title: '30%',
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radius: radius,
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titleStyle: TextStyle(
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fontSize: fontSize,
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fontWeight: FontWeight.bold,
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color: AppColors.mainTextColor1,
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shadows: shadows,
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),
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);
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case 2:
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return PieChartSectionData(
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color: AppColors.contentColorPurple,
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value: 15,
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title: '15%',
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radius: radius,
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titleStyle: TextStyle(
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fontSize: fontSize,
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fontWeight: FontWeight.bold,
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color: AppColors.mainTextColor1,
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shadows: shadows,
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),
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);
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case 3:
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return PieChartSectionData(
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color: AppColors.contentColorGreen,
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value: 15,
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title: '15%',
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radius: radius,
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titleStyle: TextStyle(
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fontSize: fontSize,
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fontWeight: FontWeight.bold,
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color: AppColors.mainTextColor1,
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shadows: shadows,
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),
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);
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default:
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throw Error();
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}
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});
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}
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}
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