55 lines
1.5 KiB
Dart
55 lines
1.5 KiB
Dart
import 'package:flutter/material.dart';
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import 'app_scope.dart';
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import 'chart_widget.dart';
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class ChartGrid extends StatelessWidget {
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const ChartGrid({super.key});
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@override
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Widget build(BuildContext context) {
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final scope = AppScope.of(context);
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return ListenableBuilder(
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listenable: scope.layout,
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builder: (_, __) {
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final grid = scope.layout.grid;
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return GridView.builder(
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gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: grid.cols,
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mainAxisSpacing: 8,
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crossAxisSpacing: 8,
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childAspectRatio: 16 / 9,
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),
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itemCount: grid.cellCount,
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itemBuilder: (_, i) {
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final cellNumber = i + 1;
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final ch = grid.channelForCell(cellNumber);
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if (ch == null) return const _EmptyCell();
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final cfg = scope.layout.configFor(ch);
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if (!cfg.enabled) return const _EmptyCell();
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return RepaintBoundary(child: ChartWidget(channel: ch));
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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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class _EmptyCell extends StatelessWidget {
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const _EmptyCell();
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@override
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Widget build(BuildContext context) {
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return Container(
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decoration: BoxDecoration(
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border: Border.all(
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color: Theme.of(context).colorScheme.outlineVariant,
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style: BorderStyle.solid,
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),
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borderRadius: BorderRadius.circular(6),
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),
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child: const Center(
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child: Text('empty', style: TextStyle(color: Colors.grey)),
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),
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);
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}
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} |