import 'dart:math'; import 'package:flutter/widgets.dart'; import 'package:from_css_color/from_css_color.dart'; import 'package:git_touch/models/theme.dart'; import 'package:git_touch/utils/utils.dart'; import 'package:provider/provider.dart'; const contributionEmptyColor = '#ebedf0'; const contributionColors = ['#9be9a8', '#40c463', '#30a14e', '#216e39']; class HideScrollbar extends StatelessWidget { const HideScrollbar({super.key, this.child}); final Widget? child; @override Widget build(BuildContext context) { return NotificationListener( onNotification: (_) => true, child: child!, ); } } class ContributionDay { ContributionDay({this.hexColor, this.count}) : assert(hexColor != null || count != null); String? hexColor; int? count; } class ContributionWidget extends StatelessWidget { ContributionWidget({required this.weeks}) { int? maxCount; for (final week in weeks!) { for (final day in week) { if (day.count != null) { if (maxCount == null) { for (final week in weeks!) { for (final day in week) { maxCount = max(day.count!, maxCount ?? 0); } } } if (day.count == 0) { day.hexColor = contributionEmptyColor; } else { // TODO: algorithm final level = (day.count! * 4) ~/ (maxCount! + 1); day.hexColor = contributionColors[level]; } } } } } final Iterable>? weeks; static Color _revertColor(Color color) { return Color.fromRGBO( 0xff - color.red, 0xff - color.green, 0xff - color.blue, 1); } @override Widget build(BuildContext context) { final theme = context.watch(); return Container( alignment: Alignment.center, padding: CommonStyle.padding, child: HideScrollbar( child: SingleChildScrollView( scrollDirection: Axis.horizontal, reverse: true, child: Wrap( spacing: 3, children: [ for (final week in weeks!) Wrap( direction: Axis.vertical, spacing: 3, children: [ for (final day in week) Container( width: 10, height: 10, decoration: BoxDecoration( color: theme.brightness == Brightness.dark ? _revertColor(fromCssColor(day.hexColor!)) : fromCssColor(day.hexColor!), borderRadius: BorderRadius.circular(2), ), ) ], ) ], ), )), ); } }