A framework for building convergent cross-platform Nextcloud clients using Flutter.
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part of '../neon_files.dart';
class FilesBrowserView extends StatefulWidget {
const FilesBrowserView({
required this.bloc,
required this.filesBloc,
this.onPickFile,
this.enableFileActions = true,
this.onlyShowDirectories = false,
super.key,
// ignore: prefer_asserts_with_message
}) : assert((onPickFile == null) == onlyShowDirectories);
final FilesBrowserBloc bloc;
final FilesBloc filesBloc;
final Function(FileDetails)? onPickFile;
final bool enableFileActions;
final bool onlyShowDirectories;
@override
State<FilesBrowserView> createState() => _FilesBrowserViewState();
}
class _FilesBrowserViewState extends State<FilesBrowserView> {
@override
void initState() {
super.initState();
widget.bloc.errors.listen((final error) {
NeonException.showSnackbar(context, error);
});
}
@override
Widget build(final BuildContext context) => ResultBuilder<List<WebDavFile>>.behaviorSubject(
stream: widget.bloc.files,
builder: (final context, final files) => StreamBuilder<List<String>>(
stream: widget.bloc.path,
builder: (final context, final pathSnapshot) => StreamBuilder<List<FilesTask>>(
stream: widget.filesBloc.tasks,
builder: (final context, final tasksSnapshot) => !pathSnapshot.hasData || !tasksSnapshot.hasData
? const SizedBox()
: BackButtonListener(
onBackButtonPressed: () async {
final path = pathSnapshot.requireData;
if (path.isNotEmpty) {
widget.bloc.setPath(path.sublist(0, path.length - 1));
return true;
}
return false;
},
child: SortBoxBuilder<FilesSortProperty, WebDavFile>(
sortBox: filesSortBox,
sortPropertyOption: widget.bloc.options.filesSortPropertyOption,
sortBoxOrderOption: widget.bloc.options.filesSortBoxOrderOption,
input: files.data,
builder: (final context, final sorted) => NeonListView<Widget>(
scrollKey: 'files-${pathSnapshot.requireData.join('/')}',
withFloatingActionButton: true,
items: [
for (final uploadTask in tasksSnapshot.requireData.whereType<FilesUploadTask>().where(
(final task) =>
sorted?.where((final file) => _pathMatchesFile(task.path, file.name)).isEmpty ??
false,
)) ...[
FileListTile(
bloc: widget.filesBloc,
browserBloc: widget.bloc,
details: FileDetails.fromUploadTask(
task: uploadTask,
),
enableFileActions: widget.enableFileActions,
onPickFile: widget.onPickFile,
),
],
if (sorted != null) ...[
for (final file in sorted) ...[
if (!widget.onlyShowDirectories || file.isDirectory) ...[
Builder(
builder: (final context) {
final matchingTask = tasksSnapshot.requireData
.firstWhereOrNull((final task) => _pathMatchesFile(task.path, file.name));
final details = matchingTask != null
? FileDetails.fromTask(
task: matchingTask,
file: file,
)
: FileDetails.fromWebDav(
file: file,
path: widget.bloc.path.value,
);
return FileListTile(
bloc: widget.filesBloc,
browserBloc: widget.bloc,
details: details,
enableFileActions: widget.enableFileActions,
onPickFile: widget.onPickFile,
);
},
),
],
],
],
],
isLoading: files.isLoading,
error: files.error,
onRefresh: widget.bloc.refresh,
builder: (final context, final widget) => widget,
topScrollingChildren: [
Align(
alignment: Alignment.topLeft,
child: Container(
margin: const EdgeInsets.symmetric(
horizontal: 10,
),
child: Wrap(
crossAxisAlignment: WrapCrossAlignment.center,
children: <Widget>[
IconButton(
padding: EdgeInsets.zero,
visualDensity: const VisualDensity(
horizontal: VisualDensity.minimumDensity,
vertical: VisualDensity.minimumDensity,
),
tooltip: AppLocalizations.of(context).goToPath(''),
icon: const Icon(
Icons.house,
size: 30,
),
onPressed: () {
widget.bloc.setPath([]);
},
),
for (var i = 0; i < pathSnapshot.requireData.length; i++) ...[
Builder(
builder: (final context) {
final path = pathSnapshot.requireData.sublist(0, i + 1);
return Tooltip(
message: AppLocalizations.of(context).goToPath(path.join('/')),
excludeFromSemantics: true,
child: TextButton(
onPressed: () {
widget.bloc.setPath(path);
},
child: Text(
pathSnapshot.requireData[i],
semanticsLabel: AppLocalizations.of(context).goToPath(path.join('/')),
),
),
);
},
),
],
]
.intersperse(
const Icon(
Icons.keyboard_arrow_right,
size: 30,
),
)
.toList(),
),
),
),
],
),
),
),
),
),
);
bool _pathMatchesFile(final List<String> path, final String name) => const ListEquality().equals(
[...widget.bloc.path.value, name],
path,
);
}