A framework for building convergent cross-platform Nextcloud clients using Flutter.
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part of '../neon_files.dart';
/// Mode to operate the [FilesBrowserView] in.
enum FilesBrowserMode {
/// Default file browser mode.
///
/// When a file is selected it will be opened or downloaded.
browser,
/// Select directory.
selectDirectory,
/// Don't show file actions.
noActions,
}
class FilesBrowserView extends StatefulWidget {
const FilesBrowserView({
required this.bloc,
required this.filesBloc,
this.mode = FilesBrowserMode.browser,
super.key,
});
final FilesBrowserBloc bloc;
final FilesBloc filesBloc;
final FilesBrowserMode mode;
@override
State<FilesBrowserView> createState() => _FilesBrowserViewState();
}
class _FilesBrowserViewState extends State<FilesBrowserView> {
@override
void initState() {
widget.bloc.errors.listen((final error) {
NeonError.showSnackbar(context, error);
});
super.initState();
}
@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,
presort: const {
(FilesSortProperty.isFolder, SortBoxOrder.ascending),
},
input: files.data,
builder: (final context, final sorted) => ValueListenableBuilder(
valueListenable: widget.bloc.options.showHiddenFilesOption,
builder: (final context, final showHiddenFiles, final _) {
final uploadingTasks = tasksSnapshot.requireData
.whereType<FilesUploadTask>()
.where(
(final task) =>
sorted.where((final file) => _pathMatchesFile(task.path, file.name)).isEmpty,
)
.toList();
return NeonListView(
scrollKey: 'files-${pathSnapshot.requireData.join('/')}',
itemCount: uploadingTasks.length + sorted.length,
itemBuilder: (final context, final index) {
if (index < uploadingTasks.length) {
return FileListTile(
bloc: widget.filesBloc,
browserBloc: widget.bloc,
details: FileDetails.fromUploadTask(
task: uploadingTasks[index],
),
);
}
final file = sorted[index - uploadingTasks.length];
if ((widget.mode != FilesBrowserMode.selectDirectory || file.isDirectory) &&
(!file.isHidden || showHiddenFiles)) {
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,
);
}
return null;
},
isLoading: files.isLoading,
error: files.error,
onRefresh: widget.bloc.refresh,
topScrollingChildren: [
FilesBrowserNavigator(
path: pathSnapshot.requireData,
bloc: widget.bloc,
),
],
);
},
),
),
),
),
),
);
bool _pathMatchesFile(final List<String> path, final String name) => const ListEquality<String>().equals(
[...widget.bloc.path.value, name],
path,
);
}