mirror of
https://git.selfprivacy.org/kherel/selfprivacy.org.app.git
synced 2024-08-25 14:31:51 +00:00
179 lines
5.5 KiB
Dart
179 lines
5.5 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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import 'package:selfprivacy/logic/common_enum/common_enum.dart';
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import 'package:selfprivacy/logic/models/metrics.dart';
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import 'package:selfprivacy/ui/pages/server_details/charts/bottom_title.dart';
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class CpuChart extends StatelessWidget {
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const CpuChart({
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required this.data,
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required this.period,
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required this.start,
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super.key,
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});
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final List<TimeSeriesData> data;
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final Period period;
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final DateTime start;
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List<FlSpot> getSpots() {
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var i = 0;
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final List<FlSpot> res = [];
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for (final d in data) {
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res.add(FlSpot(i.toDouble(), d.value));
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i++;
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}
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return res;
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}
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@override
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Widget build(final BuildContext context) => LineChart(
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LineChartData(
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lineTouchData: LineTouchData(
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enabled: true,
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touchTooltipData: LineTouchTooltipData(
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tooltipBgColor: Theme.of(context).colorScheme.surface,
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tooltipPadding: const EdgeInsets.all(8),
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getTooltipItems: (final List<LineBarSpot> touchedBarSpots) {
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final List<LineTooltipItem> res = [];
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for (final spot in touchedBarSpots) {
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final value = spot.y;
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final date = data[spot.x.toInt()].time;
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res.add(
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LineTooltipItem(
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'${value.toStringAsFixed(2)}% at ${DateFormat('HH:mm dd.MM.yyyy').format(date)}',
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TextStyle(
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color: Theme.of(context).colorScheme.onSurface,
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fontWeight: FontWeight.bold,
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),
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),
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);
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}
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return res;
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},
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),
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),
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lineBarsData: [
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LineChartBarData(
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spots: getSpots(),
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isCurved: false,
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barWidth: 2,
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color: Theme.of(context).colorScheme.primary,
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dotData: const FlDotData(
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show: false,
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),
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belowBarData: BarAreaData(
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show: true,
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gradient: LinearGradient(
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colors: [
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Theme.of(context).colorScheme.primary.withOpacity(0.5),
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Theme.of(context).colorScheme.primary.withOpacity(0.0),
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],
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begin: Alignment.bottomCenter,
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end: Alignment.topCenter,
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),
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),
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),
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],
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minY: 0,
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// Maximal value of data by 100 step
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maxY: 100,
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minX: 0,
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titlesData: FlTitlesData(
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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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interval: 40,
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reservedSize: 30,
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getTitlesWidget: (final value, final titleMeta) => Padding(
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padding: const EdgeInsets.all(8.0),
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child: Text(
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bottomTitle(
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value.toInt(),
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data,
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period,
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),
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style: Theme.of(context).textTheme.labelSmall?.copyWith(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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),
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),
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showTitles: true,
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),
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),
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leftTitles: const AxisTitles(
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sideTitles: SideTitles(
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showTitles: false,
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),
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),
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rightTitles: const AxisTitles(
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sideTitles: SideTitles(
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showTitles: false,
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),
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),
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),
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gridData: FlGridData(
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show: true,
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drawVerticalLine: true,
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horizontalInterval: 25,
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verticalInterval: 40,
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getDrawingHorizontalLine: (final value) => FlLine(
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color: Theme.of(context).colorScheme.outline.withOpacity(0.3),
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strokeWidth: 1,
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),
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getDrawingVerticalLine: (final value) => FlLine(
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color: Theme.of(context).colorScheme.outline.withOpacity(0.3),
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strokeWidth: 1,
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),
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),
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borderData: FlBorderData(
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show: true,
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border: Border(
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bottom: BorderSide(
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color: Theme.of(context).colorScheme.outline.withOpacity(0.3),
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width: 1,
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),
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left: BorderSide(
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color: Theme.of(context).colorScheme.outline.withOpacity(0.3),
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width: 1,
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),
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right: BorderSide(
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color: Theme.of(context).colorScheme.outline.withOpacity(0.3),
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width: 1,
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),
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top: BorderSide(
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color: Theme.of(context).colorScheme.outline.withOpacity(0.3),
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width: 1,
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),
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),
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),
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),
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);
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bool checkToShowTitle(
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final double minValue,
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final double maxValue,
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final SideTitles sideTitles,
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final double appliedInterval,
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final double value,
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) {
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if (value < 0) {
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return false;
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} else if (value == 0) {
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return true;
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}
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final localValue = value - minValue;
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final v = localValue / 20;
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return v - v.floor() == 0;
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}
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}
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