changed everything from filcnaplo to refilc finally
This commit is contained in:
Kima
377
refilc_mobile_ui/lib/pages/grades/graph.dart
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377
refilc_mobile_ui/lib/pages/grades/graph.dart
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@@ -0,0 +1,377 @@
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import 'dart:math';
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import 'package:refilc/helpers/average_helper.dart';
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import 'package:refilc/models/settings.dart';
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import 'package:refilc/theme/colors/colors.dart';
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import 'package:refilc_kreta_api/models/grade.dart';
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import 'package:flutter/material.dart';
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import 'package:fl_chart/fl_chart.dart';
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import 'package:intl/intl.dart';
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import 'package:i18n_extension/i18n_widget.dart';
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import 'package:provider/provider.dart';
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import 'graph.i18n.dart';
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class GradeGraph extends StatefulWidget {
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const GradeGraph(this.data,
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{super.key, this.dayThreshold = 7, this.classAvg});
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final List<Grade> data;
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final int dayThreshold;
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final double? classAvg;
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@override
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GradeGraphState createState() => GradeGraphState();
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}
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class GradeGraphState extends State<GradeGraph> {
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late SettingsProvider settings;
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List<Color> getColors(List<Grade> data) {
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List<Color> colors = [];
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List<List<Grade>> sortedData = [[]];
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// Sort by date descending
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data.sort((a, b) => -a.writeDate.compareTo(b.writeDate));
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// Sort data to points by treshold
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for (var element in data) {
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if (sortedData.last.isNotEmpty &&
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sortedData.last.last.writeDate.difference(element.writeDate).inDays >
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widget.dayThreshold) {
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sortedData.add([]);
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}
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for (var dataList in sortedData) {
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dataList.add(element);
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}
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}
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// Create FlSpots from points
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for (var dataList in sortedData) {
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double average = AverageHelper.averageEvals(dataList);
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Color clr = average >= 1 && average <= 5
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? ColorTween(
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begin: settings.gradeColors[average.floor() - 1],
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end: settings.gradeColors[average.ceil() - 1])
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.transform(average - average.floor())!
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: Theme.of(context).colorScheme.secondary;
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colors.add(clr);
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}
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return colors;
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}
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List<FlSpot> getSpots(List<Grade> data) {
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List<FlSpot> subjectData = [];
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List<List<Grade>> sortedData = [[]];
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// Sort by date descending
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data.sort((a, b) => -a.writeDate.compareTo(b.writeDate));
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// Sort data to points by treshold
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for (var element in data) {
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if (sortedData.last.isNotEmpty &&
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sortedData.last.last.writeDate.difference(element.writeDate).inDays >
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widget.dayThreshold) {
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sortedData.add([]);
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}
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for (var dataList in sortedData) {
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dataList.add(element);
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}
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}
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// Create FlSpots from points
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for (var dataList in sortedData) {
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double average = AverageHelper.averageEvals(dataList);
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if (dataList.isNotEmpty) {
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subjectData.add(FlSpot(
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dataList[0].writeDate.month +
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(dataList[0].writeDate.day / 31) +
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((dataList[0].writeDate.year - data.last.writeDate.year) * 12),
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double.parse(average.toStringAsFixed(2)),
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));
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}
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}
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return subjectData;
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}
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@override
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Widget build(BuildContext context) {
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settings = Provider.of<SettingsProvider>(context);
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List<FlSpot> subjectSpots = [];
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List<FlSpot> ghostSpots = [];
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List<VerticalLine> extraLinesV = [];
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List<HorizontalLine> extraLinesH = [];
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// Filter data
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List<Grade> data = widget.data
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.where((e) => e.value.weight != 0)
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.where((e) => e.type == GradeType.midYear)
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.where((e) => e.gradeType?.name == "Osztalyzat")
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.toList();
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// Filter ghost data
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List<Grade> ghostData = widget.data
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.where((e) => e.value.weight != 0)
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.where((e) => e.type == GradeType.ghost)
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.toList();
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// Calculate average
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double average = AverageHelper.averageEvals(data);
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// Calculate graph color
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Color averageColor = average >= 1 && average <= 5
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? ColorTween(
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begin: settings.gradeColors[average.floor() - 1],
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end: settings.gradeColors[average.ceil() - 1])
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.transform(average - average.floor())!
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: Theme.of(context).colorScheme.secondary;
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List<Color> averageColors = getColors(data);
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subjectSpots = getSpots(data);
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// naplo/#73
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if (subjectSpots.isNotEmpty) {
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ghostSpots = getSpots(data + ghostData);
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// hax
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ghostSpots = ghostSpots
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.where((e) => e.x >= subjectSpots.map((f) => f.x).reduce(max))
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.toList();
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ghostSpots = ghostSpots.map((e) => FlSpot(e.x + 0.1, e.y)).toList();
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ghostSpots.add(subjectSpots.firstWhere(
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(e) => e.x >= subjectSpots.map((f) => f.x).reduce(max),
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orElse: () => const FlSpot(-1, -1)));
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ghostSpots.removeWhere(
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(element) => element.x == -1 && element.y == -1); // naplo/#74
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}
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Grade halfYearGrade = widget.data.lastWhere(
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(e) => e.type == GradeType.halfYear,
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orElse: () => Grade.fromJson({}));
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if (halfYearGrade.date.year != 0 && data.isNotEmpty) {
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final maxX = ghostSpots.isNotEmpty ? ghostSpots.first.x : 0;
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final x = halfYearGrade.writeDate.month +
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(halfYearGrade.writeDate.day / 31) +
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((halfYearGrade.writeDate.year - data.last.writeDate.year) * 12);
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if (x <= maxX) {
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extraLinesV.add(
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VerticalLine(
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x: x,
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strokeWidth: 3.0,
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color: AppColors.of(context).red.withOpacity(.75),
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label: VerticalLineLabel(
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labelResolver: (_) => " ${"mid".i18n} ", // <- zwsp for padding
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show: true,
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alignment: Alignment.topLeft,
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style: TextStyle(
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backgroundColor: Theme.of(context).colorScheme.background,
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color: AppColors.of(context).text,
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fontSize: 16.0,
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fontWeight: FontWeight.w600,
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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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// Horizontal line displaying the class average
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if (widget.classAvg != null &&
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widget.classAvg! > 0.0 &&
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settings.graphClassAvg) {
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extraLinesH.add(HorizontalLine(
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y: widget.classAvg!,
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color: AppColors.of(context).text.withOpacity(.75),
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));
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}
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// LineChart is really cute because it tries to render it's contents outside of it's rect.
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return widget.data.length <= 2
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? SizedBox(
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height: 150,
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child: Center(
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child: Text(
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"not_enough_grades".i18n,
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textAlign: TextAlign.center,
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style: const TextStyle(fontWeight: FontWeight.bold),
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),
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),
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)
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: ClipRect(
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child: SizedBox(
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height: 158,
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child: subjectSpots.length > 1
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? Padding(
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padding: const EdgeInsets.only(top: 8.0, right: 8.0),
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child: LineChart(
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LineChartData(
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extraLinesData: ExtraLinesData(
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verticalLines: extraLinesV,
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horizontalLines: extraLinesH),
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lineBarsData: [
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LineChartBarData(
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preventCurveOverShooting: true,
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spots: subjectSpots,
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isCurved: true,
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colors: averageColors,
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barWidth: 8,
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isStrokeCapRound: true,
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dotData: FlDotData(show: false),
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belowBarData: BarAreaData(
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show: true,
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colors: [
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averageColor.withOpacity(0.7),
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averageColor.withOpacity(0.3),
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averageColor.withOpacity(0.2),
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averageColor.withOpacity(0.1),
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],
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gradientColorStops: [0.1, 0.6, 0.8, 1],
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gradientFrom: const Offset(0, 0),
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gradientTo: const Offset(0, 1),
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),
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),
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if (ghostData.isNotEmpty && ghostSpots.isNotEmpty)
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LineChartBarData(
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preventCurveOverShooting: true,
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spots: ghostSpots,
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isCurved: true,
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colors: [AppColors.of(context).text],
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barWidth: 8,
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isStrokeCapRound: true,
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dotData: FlDotData(show: false),
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belowBarData: BarAreaData(
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show: true,
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colors: [
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AppColors.of(context).text.withOpacity(0.7),
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AppColors.of(context).text.withOpacity(0.3),
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AppColors.of(context).text.withOpacity(0.2),
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AppColors.of(context).text.withOpacity(0.1),
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],
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gradientColorStops: [0.1, 0.6, 0.8, 1],
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gradientFrom: const Offset(0, 0),
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gradientTo: const Offset(0, 1),
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),
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),
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],
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minY: 1,
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maxY: 5,
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gridData: FlGridData(
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show: true,
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horizontalInterval: 1,
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// checkToShowVerticalLine: (_) => false,
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// getDrawingHorizontalLine: (_) => FlLine(
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// color: AppColors.of(context).text.withOpacity(.15),
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// strokeWidth: 2,
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// ),
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// getDrawingVerticalLine: (_) => FlLine(
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// color: AppColors.of(context).text.withOpacity(.25),
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// strokeWidth: 2,
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// ),
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),
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lineTouchData: LineTouchData(
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touchTooltipData: LineTouchTooltipData(
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tooltipBgColor: Colors.grey.shade800,
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fitInsideVertically: true,
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fitInsideHorizontally: true,
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),
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handleBuiltInTouches: true,
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touchSpotThreshold: 20.0,
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getTouchedSpotIndicator: (_, spots) {
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return List.generate(
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spots.length,
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(index) => TouchedSpotIndicatorData(
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FlLine(
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color: Colors.grey.shade900,
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strokeWidth: 3.5,
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),
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FlDotData(
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getDotPainter: (a, b, c, d) =>
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FlDotCirclePainter(
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strokeWidth: 0,
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color: Colors.grey.shade900,
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radius: 10.0,
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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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borderData: FlBorderData(
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show: false,
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border: Border.all(
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color: Theme.of(context).scaffoldBackgroundColor,
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width: 4,
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),
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),
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titlesData: FlTitlesData(
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bottomTitles: SideTitles(
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showTitles: true,
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reservedSize: 24,
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getTextStyles: (context, value) => TextStyle(
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color:
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AppColors.of(context).text.withOpacity(.75),
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fontWeight: FontWeight.bold,
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fontSize: 14.0,
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),
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margin: 12.0,
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getTitles: (value) {
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var format = DateFormat(
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"MMM", I18n.of(context).locale.toString());
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String title = format
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.format(DateTime(0, value.floor() % 12))
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.replaceAll(".", "");
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title =
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title.substring(0, min(title.length, 4));
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return title.toUpperCase();
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},
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interval: () {
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List<Grade> tData =
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ghostData.isNotEmpty ? ghostData : data;
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tData.sort((a, b) =>
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a.writeDate.compareTo(b.writeDate));
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return tData.first.writeDate
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.add(const Duration(days: 120))
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.isBefore(tData.last.writeDate)
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? 2.0
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: 1.0;
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}(),
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checkToShowTitle: (double minValue,
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double maxValue,
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SideTitles sideTitles,
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double appliedInterval,
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double value) {
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if (value == maxValue || value == minValue) {
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return false;
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}
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return true;
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},
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),
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leftTitles: SideTitles(
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showTitles: true,
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interval: 1.0,
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getTextStyles: (context, value) => TextStyle(
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color: AppColors.of(context).text,
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fontWeight: FontWeight.bold,
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fontSize: 18.0,
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),
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margin: 16,
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),
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rightTitles: SideTitles(showTitles: false),
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topTitles: SideTitles(showTitles: false),
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),
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),
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),
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)
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: null,
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),
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);
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}
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}
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