91 lines
2.9 KiB
Dart
91 lines
2.9 KiB
Dart
import 'package:aves/common/draggable_scrollbar.dart';
|
|
import 'package:aves/common/outlined_text.dart';
|
|
import 'package:aves/thumbnail.dart';
|
|
import "package:collection/collection.dart";
|
|
import 'package:flutter/material.dart';
|
|
import 'package:flutter_sticky_header/flutter_sticky_header.dart';
|
|
import 'package:intl/intl.dart';
|
|
|
|
class ThumbnailCollection extends StatelessWidget {
|
|
final Map<String, List<Map>> sections;
|
|
final ScrollController scrollController = ScrollController();
|
|
|
|
ThumbnailCollection(List<Map> entries) : sections = groupBy(entries, getDayTaken);
|
|
|
|
static DateTime getBestDate(Map entry) {
|
|
var dateTakenMillis = entry['sourceDateTakenMillis'] as int;
|
|
if (dateTakenMillis != null && dateTakenMillis > 0) return DateTime.fromMillisecondsSinceEpoch(dateTakenMillis);
|
|
|
|
var dateModifiedSecs = entry['dateModifiedSecs'] as int;
|
|
if (dateModifiedSecs != null && dateModifiedSecs > 0) return DateTime.fromMillisecondsSinceEpoch(dateModifiedSecs * 1000);
|
|
|
|
return null;
|
|
}
|
|
|
|
static DateFormat sectionDateFormat = DateFormat('yyyy/MM/dd');
|
|
|
|
static String getDayTaken(Map entry) {
|
|
var date = getBestDate(entry);
|
|
return date == null ? 'Unknown' : sectionDateFormat.format(date);
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
var columnCount = 4;
|
|
var extent = MediaQuery.of(context).size.width / columnCount;
|
|
|
|
return DraggableScrollbar.arrows(
|
|
labelTextBuilder: (double offset) => Text(
|
|
"${offset ~/ 1}",
|
|
style: TextStyle(color: Colors.blueGrey),
|
|
),
|
|
controller: scrollController,
|
|
child: CustomScrollView(
|
|
controller: scrollController,
|
|
slivers: sections.keys
|
|
.map((sectionKey) => SliverStickyHeader(
|
|
header: SectionHeader(sectionKey),
|
|
sliver: SliverGrid(
|
|
delegate: SliverChildBuilderDelegate(
|
|
(context, index) {
|
|
var entries = sections[sectionKey];
|
|
if (index >= entries.length) return null;
|
|
return Thumbnail(
|
|
entry: entries[index],
|
|
extent: extent,
|
|
);
|
|
},
|
|
childCount: sections[sectionKey].length,
|
|
),
|
|
gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
|
|
crossAxisCount: columnCount,
|
|
),
|
|
),
|
|
))
|
|
.toList(),
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|
|
class SectionHeader extends StatelessWidget {
|
|
final String primaryText;
|
|
|
|
SectionHeader(this.primaryText);
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Container(
|
|
padding: EdgeInsets.all(16),
|
|
child: OutlinedText(
|
|
primaryText,
|
|
style: TextStyle(
|
|
color: Colors.white,
|
|
fontSize: 20,
|
|
),
|
|
outlineColor: Colors.black87,
|
|
outlineWidth: 2,
|
|
),
|
|
);
|
|
}
|
|
}
|