78 lines
2.7 KiB
Dart
78 lines
2.7 KiB
Dart
import 'dart:math';
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import 'package:aves/model/source/collection_lens.dart';
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import 'package:aves/model/source/collection_source.dart';
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import 'package:aves/model/source/enums.dart';
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import 'package:aves/model/source/section_keys.dart';
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import 'package:aves/widgets/collection/grid/headers/album.dart';
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import 'package:aves/widgets/collection/grid/headers/date.dart';
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import 'package:aves/widgets/common/grid/header.dart';
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import 'package:flutter/material.dart';
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class CollectionSectionHeader extends StatelessWidget {
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final CollectionLens collection;
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final SectionKey sectionKey;
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final double height;
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const CollectionSectionHeader({
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Key? key,
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required this.collection,
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required this.sectionKey,
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required this.height,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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final header = _buildHeader(context);
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return header != null
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? SizedBox(
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height: height,
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child: header,
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)
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: SizedBox.shrink();
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}
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Widget? _buildHeader(BuildContext context) {
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switch (collection.sortFactor) {
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case EntrySortFactor.date:
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switch (collection.groupFactor) {
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case EntryGroupFactor.album:
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return _buildAlbumHeader(context);
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case EntryGroupFactor.month:
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return MonthSectionHeader(key: ValueKey(sectionKey), date: (sectionKey as EntryDateSectionKey).date);
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case EntryGroupFactor.day:
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return DaySectionHeader(key: ValueKey(sectionKey), date: (sectionKey as EntryDateSectionKey).date);
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case EntryGroupFactor.none:
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break;
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}
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break;
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case EntrySortFactor.name:
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return _buildAlbumHeader(context);
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case EntrySortFactor.size:
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break;
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}
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return null;
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}
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Widget _buildAlbumHeader(BuildContext context) {
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final source = collection.source;
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final directory = (sectionKey as EntryAlbumSectionKey).directory;
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return AlbumSectionHeader(
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key: ValueKey(sectionKey),
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directory: directory,
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albumName: directory != null ? source.getAlbumDisplayName(context, directory) : null,
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);
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}
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static double getPreferredHeight(BuildContext context, double maxWidth, CollectionSource source, SectionKey sectionKey) {
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var headerExtent = 0.0;
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if (sectionKey is EntryAlbumSectionKey) {
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// only compute height for album headers, as they're the only likely ones to split on multiple lines
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headerExtent = AlbumSectionHeader.getPreferredHeight(context, maxWidth, source, sectionKey);
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}
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final textScaleFactor = MediaQuery.textScaleFactorOf(context);
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headerExtent = max(headerExtent, SectionHeader.leadingDimension * textScaleFactor) + SectionHeader.padding.vertical;
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return headerExtent;
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}
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}
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