124 lines
3.6 KiB
Dart
124 lines
3.6 KiB
Dart
import 'dart:async';
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import 'package:aves/model/image_entry.dart';
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import 'package:aves/model/metadata_service.dart';
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import 'package:aves/utils/color_utils.dart';
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import 'package:aves/widgets/fullscreen/info/info_page.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart';
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class MetadataSectionSliver extends StatefulWidget {
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final ImageEntry entry;
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final int columnCount;
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const MetadataSectionSliver({
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@required this.entry,
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@required this.columnCount,
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});
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@override
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State<StatefulWidget> createState() => _MetadataSectionSliverState();
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}
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class _MetadataSectionSliverState extends State<MetadataSectionSliver> {
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Map _metadata;
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@override
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void initState() {
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super.initState();
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_getMetadata();
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}
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@override
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void didUpdateWidget(MetadataSectionSliver oldWidget) {
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super.didUpdateWidget(oldWidget);
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_getMetadata();
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}
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@override
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Widget build(BuildContext context) {
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debugPrint('$runtimeType build');
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final directoryNames = (_metadata?.keys?.toList() ?? [])..sort();
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return SliverStaggeredGrid.countBuilder(
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crossAxisCount: widget.columnCount,
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staggeredTileBuilder: (index) => StaggeredTile.fit(index == 0 ? widget.columnCount : 1),
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itemBuilder: (context, index) {
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return index == 0
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? const SectionRow('Metadata')
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: _Directory(
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metadataMap: _metadata,
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directoryName: directoryNames[index - 1],
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);
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},
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itemCount: directoryNames.isEmpty ? 0 : directoryNames.length + 1,
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mainAxisSpacing: 0,
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crossAxisSpacing: 8,
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);
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}
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Future<void> _getMetadata() async {
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debugPrint('$runtimeType _getMetadata');
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_metadata = await MetadataService.getAllMetadata(widget.entry);
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if (mounted) setState(() {});
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}
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}
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class _Directory extends StatelessWidget {
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final Map metadataMap;
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final String directoryName;
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static const int maxValueLength = 140;
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const _Directory({@required this.metadataMap, @required this.directoryName});
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@override
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Widget build(BuildContext context) {
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final directory = metadataMap[directoryName];
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final tagKeys = directory.keys.toList()..sort();
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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if (directoryName.isNotEmpty)
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Container(
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decoration: _DirectoryTitleDecoration(
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color: stringToColor(directoryName),
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),
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margin: const EdgeInsets.symmetric(vertical: 4.0),
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child: Text(
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directoryName,
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style: const TextStyle(
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shadows: [
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Shadow(
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color: Colors.black,
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offset: Offset(1, 1),
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blurRadius: 2,
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)
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],
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fontSize: 18,
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fontFamily: 'Concourse Caps',
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),
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),
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),
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...tagKeys.map((tagKey) {
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final value = directory[tagKey] as String;
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if (value == null || value.isEmpty) return const SizedBox.shrink();
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return InfoRow(tagKey, value.length > maxValueLength ? '${value.substring(0, maxValueLength)}…' : value);
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}),
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const SizedBox(height: 16),
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],
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);
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}
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}
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class _DirectoryTitleDecoration extends BoxDecoration {
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_DirectoryTitleDecoration({@required Color color})
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: super(
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gradient: LinearGradient(
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begin: Alignment.bottomCenter,
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end: Alignment.topCenter,
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stops: [0, .4, .4],
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colors: [color, color, Colors.transparent],
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),
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);
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}
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