import 'package:flutter/material.dart'; import 'package:fl_chart/fl_chart.dart'; import 'package:selfprivacy/config/brand_colors.dart'; import 'package:selfprivacy/config/text_themes.dart'; import 'package:selfprivacy/logic/common_enum/common_enum.dart'; import 'package:selfprivacy/logic/models/hetzner_metrics.dart'; import 'package:intl/intl.dart'; class CpuChart extends StatelessWidget { const CpuChart({ final Key? key, required this.data, required this.period, required this.start, }) : super(key: key); final List data; final Period period; final DateTime start; List getSpots() { var i = 0; final List res = []; for (final d in data) { res.add(FlSpot(i.toDouble(), d.value)); i++; } return res; } @override Widget build(final BuildContext context) => LineChart( LineChartData( lineTouchData: LineTouchData(enabled: false), lineBarsData: [ LineChartBarData( spots: getSpots(), isCurved: true, barWidth: 1, color: Colors.red, dotData: FlDotData( show: false, ), ), ], minY: 0, maxY: 100, minX: data.length - 200, titlesData: FlTitlesData( topTitles: AxisTitles(sideTitles: SideTitles(showTitles: false)), bottomTitles: AxisTitles( sideTitles: SideTitles( interval: 20, reservedSize: 50, getTitlesWidget: (final value, final titleMeta) => Padding( padding: const EdgeInsets.all(8.0), child: RotatedBox( quarterTurns: 1, child: Text( bottomTitle(value.toInt()), style: const TextStyle( fontSize: 10, color: Colors.purple, fontWeight: FontWeight.bold, ), ), ), ), showTitles: true, ), ), leftTitles: AxisTitles( sideTitles: SideTitles( getTitlesWidget: (final value, final titleMeta) => Padding( padding: const EdgeInsets.only(right: 15), child: Text( value.toInt().toString(), style: progressTextStyleLight.copyWith( color: Theme.of(context).brightness == Brightness.dark ? BrandColors.gray4 : null, ), ), ), interval: 25, showTitles: false, ), ), ), gridData: FlGridData(show: true), ), ); bool checkToShowTitle( final double minValue, final double maxValue, final SideTitles sideTitles, final double appliedInterval, final double value, ) { if (value < 0) { return false; } else if (value == 0) { return true; } final localValue = value - minValue; final v = localValue / 20; return v - v.floor() == 0; } String bottomTitle(final int value) { final hhmm = DateFormat('HH:mm'); final day = DateFormat('MMMd'); String res; if (value <= 0) { return ''; } final time = data[value].time; switch (period) { case Period.hour: case Period.day: res = hhmm.format(time); break; case Period.month: res = day.format(time); } return res; } }