d889611e19
Added a basic line chart for spending (monthly and yearly) with its separate view. Also fixed sorting of entry groups on homepage. #8
74 lines
2.3 KiB
Dart
74 lines
2.3 KiB
Dart
import 'package:fl_chart/fl_chart.dart';
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import 'package:flutter/material.dart';
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import 'package:intl/intl.dart';
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/// Monthly/Yearly expenses [LineChart]
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class ExpensesChart extends StatelessWidget {
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const ExpensesChart(
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{super.key,
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required this.date,
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required this.locale,
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this.data = const [],
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this.yearly = false});
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final bool yearly;
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final DateTime date;
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final String locale;
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final List<double> data;
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List<double> get dataSorted {
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var list = List<double>.from(data);
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list.sort((a, b) => a.compareTo(b));
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return list;
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}
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@override
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Widget build(BuildContext context) {
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return LineChart(
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LineChartData(
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maxX: (yearly) ? 12 : DateTime(date.year, date.month, 0).day.toDouble(),
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maxY: dataSorted.last,
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minX: 1,
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minY: 0,
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backgroundColor: Theme.of(context).colorScheme.background,
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lineBarsData: [
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LineChartBarData(
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isCurved: true,
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barWidth: 8,
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isStrokeCapRound: true,
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dotData: const FlDotData(show: false),
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belowBarData: BarAreaData(show: false),
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color: Theme.of(context).colorScheme.primary,
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spots: List.generate(
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(yearly) ? 12 : DateTime(date.year, date.month, 0).day,
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(index) => FlSpot(index.toDouble() + 1, data[index]),
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),
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),
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], // actual data
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titlesData: FlTitlesData(
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rightTitles: const AxisTitles(
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sideTitles: SideTitles(showTitles: false),
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),
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topTitles: const AxisTitles(
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sideTitles: SideTitles(showTitles: false),
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),
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bottomTitles: AxisTitles(
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sideTitles: SideTitles(
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showTitles: true,
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getTitlesWidget: (value, meta) {
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String text;
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if (yearly) {
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text = DateFormat.MMM(locale).format(
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DateTime(date.year, value.toInt(), 1),
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);
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} else {
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text = value.toInt().toString();
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}
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return SideTitleWidget(
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axisSide: meta.axisSide, child: Text(text));
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},
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),
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),
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), // axis descriptions
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),
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);
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}
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}
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