101 lines
2.9 KiB
Dart
101 lines
2.9 KiB
Dart
import 'package:fl_chart/fl_chart.dart';
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import 'package:flutter/material.dart';
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class PieChartWidget extends StatelessWidget {
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const PieChartWidget({
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required this.sections,
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this.title,
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this.centerText,
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this.showLegend = true,
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this.legendItems,
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super.key,
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});
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final List<PieChartSectionData> sections;
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final String? title;
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final String? centerText;
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final bool showLegend;
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final List<LegendItem>? legendItems;
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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if (title != null)
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Padding(
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padding: const EdgeInsets.only(bottom: 16),
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child: Text(
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title!,
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style: theme.textTheme.titleMedium?.copyWith(
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fontWeight: FontWeight.bold,
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),
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),
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),
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Expanded(
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child: Row(
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children: [
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Expanded(
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flex: 2,
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child: PieChart(
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PieChartData(
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sections: sections,
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centerSpaceRadius: 40,
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sectionsSpace: 2,
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),
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),
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),
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if (showLegend && legendItems != null)
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Expanded(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: legendItems!
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.map(
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(item) => Padding(
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padding: const EdgeInsets.symmetric(vertical: 4),
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child: Row(
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children: [
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Container(
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width: 12,
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height: 12,
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decoration: BoxDecoration(
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color: item.color,
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borderRadius: BorderRadius.circular(3),
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),
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),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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item.label,
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style: theme.textTheme.bodySmall,
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overflow: TextOverflow.ellipsis,
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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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.toList(),
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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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class LegendItem {
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const LegendItem({
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required this.label,
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required this.color,
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});
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final String label;
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final Color color;
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}
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