114 lines
3.4 KiB
Dart
114 lines
3.4 KiB
Dart
import 'package:aves/common/draggable_scrollbar.dart';
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import 'package:aves/common/outlined_text.dart';
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import 'package:aves/thumbnail.dart';
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import 'package:aves/utils/date_utils.dart';
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import "package:collection/collection.dart";
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import 'package:flutter/material.dart';
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import 'package:flutter_sticky_header/flutter_sticky_header.dart';
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import 'package:intl/intl.dart';
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class ThumbnailCollection extends StatelessWidget {
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final Map<DateTime, List<Map>> sections;
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final ScrollController scrollController = ScrollController();
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ThumbnailCollection(List<Map> entries) : sections = groupBy(entries, getDayTaken);
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static DateTime getBestDate(Map entry) {
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var dateTakenMillis = entry['sourceDateTakenMillis'] as int;
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if (dateTakenMillis != null && dateTakenMillis > 0) return DateTime.fromMillisecondsSinceEpoch(dateTakenMillis);
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var dateModifiedSecs = entry['dateModifiedSecs'] as int;
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if (dateModifiedSecs != null && dateModifiedSecs > 0) return DateTime.fromMillisecondsSinceEpoch(dateModifiedSecs * 1000);
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return null;
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}
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static DateTime getDayTaken(Map entry) {
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var d = getBestDate(entry);
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return d == null ? null : DateTime(d.year, d.month, d.day);
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}
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@override
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Widget build(BuildContext context) {
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var columnCount = 4;
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var extent = MediaQuery.of(context).size.width / columnCount;
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return DraggableScrollbar.arrows(
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labelTextBuilder: (double offset) => Text(
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"${offset ~/ 1}",
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style: TextStyle(color: Colors.blueGrey),
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),
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controller: scrollController,
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child: CustomScrollView(
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controller: scrollController,
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slivers: [
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SliverAppBar(
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title: Text('Aves - All'),
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floating: true,
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),
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...sections.keys.map((sectionKey) => SliverStickyHeader(
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header: DaySectionHeader(sectionKey),
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sliver: SliverGrid(
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delegate: SliverChildBuilderDelegate(
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(context, index) {
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var entries = sections[sectionKey];
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if (index >= entries.length) return null;
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return Thumbnail(
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entry: entries[index],
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extent: extent,
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);
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},
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childCount: sections[sectionKey].length,
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),
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gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: columnCount,
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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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}
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}
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class DaySectionHeader extends StatelessWidget {
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final String text;
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static DateFormat md = DateFormat.MMMMd();
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static DateFormat ymd = DateFormat.yMMMMd();
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static formatDate(DateTime date) {
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if (isToday(date)) return 'Today';
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if (isThisYear(date)) return md.format(date);
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return ymd.format(date);
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}
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DaySectionHeader(DateTime date) : text = formatDate(date);
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@override
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Widget build(BuildContext context) {
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return SectionHeader(text);
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}
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}
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class SectionHeader extends StatelessWidget {
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final String primaryText;
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SectionHeader(this.primaryText);
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@override
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Widget build(BuildContext context) {
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return Container(
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padding: EdgeInsets.all(16),
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child: OutlinedText(
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primaryText,
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style: TextStyle(
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color: Colors.white,
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fontSize: 20,
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),
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outlineColor: Colors.black87,
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outlineWidth: 2,
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),
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);
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}
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}
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