130 lines
3.6 KiB
Dart
130 lines
3.6 KiB
Dart
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import 'dart:io';
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import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:myapp/db/db_helper.dart';
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import 'package:myapp/models/photo.dart';
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import 'package:myapp/photo_loader.dart';
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import 'package:provider/provider.dart';
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import 'package:share_extend/share_extend.dart';
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class GalleryAppBarWidget extends StatefulWidget
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implements PreferredSizeWidget {
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final String title;
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final Set<Photo> selectedPhotos;
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final Function() onSelectionClear;
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final Function(List<Photo>) onPhotosDeleted;
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GalleryAppBarWidget(this.title, this.selectedPhotos,
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{this.onSelectionClear, this.onPhotosDeleted});
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@override
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_GalleryAppBarWidgetState createState() => _GalleryAppBarWidgetState();
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@override
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Size get preferredSize => Size.fromHeight(60.0);
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}
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class _GalleryAppBarWidgetState extends State<GalleryAppBarWidget> {
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PhotoLoader get photoLoader => Provider.of<PhotoLoader>(context);
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@override
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Widget build(BuildContext context) {
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if (widget.selectedPhotos.isEmpty) {
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return AppBar(title: Text(widget.title));
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}
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return AppBar(
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leading: IconButton(
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icon: Icon(Icons.close),
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onPressed: () {
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_clearSelectedPhotos();
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},
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),
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title: Text(widget.selectedPhotos.length.toString()),
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actions: _getActions(context),
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);
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}
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List<Widget> _getActions(BuildContext context) {
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List<Widget> actions = List<Widget>();
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if (widget.selectedPhotos.isNotEmpty) {
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actions.add(IconButton(
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icon: Icon(Icons.delete),
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onPressed: () {
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_showDeletePhotosSheet(context);
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},
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));
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actions.add(IconButton(
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icon: Icon(Icons.share),
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onPressed: () {
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_shareSelectedPhotos(context);
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},
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));
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}
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return actions;
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}
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void _shareSelectedPhotos(BuildContext context) {
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var photoPaths = List<String>();
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for (Photo photo in widget.selectedPhotos) {
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photoPaths.add(photo.localPath);
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}
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ShareExtend.shareMultiple(photoPaths, "image");
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}
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void _showDeletePhotosSheet(BuildContext context) {
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final action = CupertinoActionSheet(
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actions: <Widget>[
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CupertinoActionSheetAction(
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child: Text("Delete on device"),
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isDestructiveAction: true,
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onPressed: () async {
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await _deleteSelectedPhotos(context, false);
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},
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),
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CupertinoActionSheetAction(
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child: Text("Delete everywhere [WiP]"),
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isDestructiveAction: true,
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onPressed: () async {
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await _deleteSelectedPhotos(context, true);
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},
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)
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],
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cancelButton: CupertinoActionSheetAction(
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child: Text("Cancel"),
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onPressed: () {
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Navigator.of(context, rootNavigator: true).pop();
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},
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),
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);
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showCupertinoModalPopup(context: context, builder: (_) => action);
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}
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Future _deleteSelectedPhotos(
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BuildContext context, bool deleteEverywhere) async {
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for (Photo photo in widget.selectedPhotos) {
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deleteEverywhere
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? await DatabaseHelper.instance.markPhotoForDeletion(photo)
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: await DatabaseHelper.instance.deletePhoto(photo);
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File file = File(photo.localPath);
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await file.delete();
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}
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Navigator.of(context, rootNavigator: true).pop();
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photoLoader.reloadPhotos();
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if (widget.onPhotosDeleted != null) {
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widget.onPhotosDeleted(widget.selectedPhotos.toList());
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}
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_clearSelectedPhotos();
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}
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void _clearSelectedPhotos() {
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setState(() {
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widget.selectedPhotos.clear();
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});
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if (widget.onSelectionClear != null) {
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widget.onSelectionClear();
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}
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}
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}
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