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amakeamake
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Update example with directory stuff
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‎example/lib/main.dart‎

Lines changed: 116 additions & 56 deletions
Original file line numberDiff line numberDiff line change
@@ -22,26 +22,41 @@ Future<void> main() async {
2222
class AppDataBloc {
2323
final store = SimpleJsonPersistence.getForTypeWithDefault(
2424
(json) => AppData.fromJson(json),
25-
defaultCreator: () => AppData(files: []),
25+
defaultCreator: () => AppData(files: [], directories: []),
2626
);
2727
}
2828

2929
class AppData implements HasToJson {
30-
AppData({required this.files});
30+
AppData({required this.files, required this.directories});
3131
final List<FileInfo> files;
32+
final List<DirectoryInfo> directories;
3233

3334
static AppData fromJson(Map<String, dynamic> json) => AppData(
34-
files: (json['files'] as List<dynamic>)
35-
.where((dynamic element) => element != null)
36-
.map((dynamic e) => FileInfo.fromJson(e as Map<String, dynamic>))
37-
.toList());
35+
files: (json['files'] as List<dynamic>? ?? <dynamic>[])
36+
.where((dynamic element) => element != null)
37+
.map((dynamic e) => FileInfo.fromJson(e as Map<String, dynamic>))
38+
.toList(),
39+
directories: (json['directories'] as List<dynamic>? ?? <dynamic>[])
40+
.where((dynamic element) => element != null)
41+
.map((dynamic e) =>
42+
DirectoryInfo.fromJson(e as Map<String, dynamic>))
43+
.toList(),
44+
);
3845

3946
@override
4047
Map<String, dynamic> toJson() => <String, dynamic>{
4148
'files': files,
49+
'directories': directories,
4250
};
4351

44-
AppData copyWith({required List<FileInfo> files}) => AppData(files: files);
52+
AppData copyWith({
53+
List<FileInfo>? files,
54+
List<DirectoryInfo>? directories,
55+
}) =>
56+
AppData(
57+
files: files ?? this.files,
58+
directories: directories ?? this.directories,
59+
);
4560
}
4661

4762
class MyApp extends StatefulWidget {
@@ -143,14 +158,25 @@ class _MainScreenState extends State<MainScreen> {
143158
child: const Text('Dispose All IDs'),
144159
onPressed: FilePickerWritable().disposeAllIdentifiers,
145160
),
161+
const SizedBox(width: 32),
162+
ElevatedButton(
163+
child: const Text('Open Directory Picker'),
164+
onPressed: _openDirectoryPicker,
165+
),
146166
],
147167
),
148-
...?(!snapshot.hasData
149-
? null
150-
: snapshot.data!.files.map((fileInfo) => FileInfoDisplay(
151-
fileInfo: fileInfo,
152-
appDataBloc: _appDataBloc,
153-
))),
168+
if (snapshot.hasData)
169+
for (final fileInfo in snapshot.data!.files)
170+
EntityInfoDisplay(
171+
entityInfo: fileInfo,
172+
appDataBloc: _appDataBloc,
173+
),
174+
if (snapshot.hasData)
175+
for (final directoryInfo in snapshot.data!.directories)
176+
EntityInfoDisplay(
177+
entityInfo: directoryInfo,
178+
appDataBloc: _appDataBloc,
179+
),
154180
],
155181
),
156182
),
@@ -190,17 +216,29 @@ class _MainScreenState extends State<MainScreen> {
190216
await _appDataBloc.store
191217
.save(data.copyWith(files: data.files + [fileInfo]));
192218
}
219+
220+
Future<void> _openDirectoryPicker() async {
221+
final directoryInfo = await FilePickerWritable().openDirectory();
222+
if (directoryInfo == null) {
223+
_logger.fine('User cancelled.');
224+
} else {
225+
_logger.fine('Got picker result: $directoryInfo');
226+
final data = await _appDataBloc.store.load();
227+
await _appDataBloc.store
228+
.save(data.copyWith(directories: data.directories + [directoryInfo]));
229+
}
230+
}
193231
}
194232

195-
class FileInfoDisplay extends StatelessWidget {
196-
const FileInfoDisplay({
233+
class EntityInfoDisplay extends StatelessWidget {
234+
const EntityInfoDisplay({
197235
Key? key,
198-
required this.fileInfo,
236+
required this.entityInfo,
199237
required this.appDataBloc,
200238
}) : super(key: key);
201239

202240
final AppDataBloc appDataBloc;
203-
final FileInfo fileInfo;
241+
final EntityInfo entityInfo;
204242

205243
@override
206244
Widget build(BuildContext context) {
@@ -213,77 +251,99 @@ class FileInfoDisplay extends StatelessWidget {
213251
padding: const EdgeInsets.all(16.0),
214252
child: Column(
215253
children: <Widget>[
216-
const Text('Selected File:'),
254+
if (entityInfo is FileInfo) const Text('Selected File:'),
255+
if (entityInfo is DirectoryInfo)
256+
const Text('Selected Directory:'),
217257
Text(
218-
fileInfo.fileName ?? 'null',
258+
entityInfo.fileName ?? 'null',
219259
maxLines: 4,
220260
overflow: TextOverflow.ellipsis,
221261
style: theme.textTheme.caption!.apply(fontSizeFactor: 0.75),
222262
),
223263
Text(
224-
fileInfo.identifier,
264+
entityInfo.identifier,
225265
maxLines: 1,
226266
overflow: TextOverflow.ellipsis,
227267
),
228268
Text(
229-
'uri:${fileInfo.uri}',
269+
'uri:${entityInfo.uri}',
230270
style: theme.textTheme.bodyText2!
231271
.apply(fontSizeFactor: 0.7)
232272
.copyWith(fontWeight: FontWeight.bold),
233273
),
234274
Text(
235-
'fileName: ${fileInfo.fileName}',
275+
'fileName: ${entityInfo.fileName}',
236276
style: theme.textTheme.bodyText2!
237277
.apply(fontSizeFactor: 0.7)
238278
.copyWith(fontWeight: FontWeight.bold),
239279
),
240280
ButtonBar(
241281
alignment: MainAxisAlignment.end,
242282
children: <Widget>[
243-
TextButton(
244-
onPressed: () async {
245-
try {
246-
await FilePickerWritable().readFile(
247-
identifier: fileInfo.identifier,
248-
reader: (fileInfo, file) async {
249-
await SimpleAlertDialog
250-
.readFileContentsAndShowDialog(
251-
fileInfo, file, context);
283+
if (entityInfo is FileInfo) ...[
284+
TextButton(
285+
onPressed: () async {
286+
try {
287+
await FilePickerWritable().readFile(
288+
identifier: entityInfo.identifier,
289+
reader: (fileInfo, file) async {
290+
await SimpleAlertDialog
291+
.readFileContentsAndShowDialog(
292+
fileInfo, file, context);
293+
});
294+
} on Exception catch (e) {
295+
await SimpleAlertDialog.showErrorDialog(e, context);
296+
}
297+
},
298+
child: const Text('Read'),
299+
),
300+
TextButton(
301+
onPressed: () async {
302+
await FilePickerWritable().writeFile(
303+
identifier: entityInfo.identifier,
304+
writer: (file) async {
305+
final content =
306+
'New Content written at ${DateTime.now()}.\n\n';
307+
await file.writeAsString(content);
308+
await SimpleAlertDialog(
309+
bodyText: 'Written: $content',
310+
).show(context);
252311
});
253-
} on Exception catch (e) {
254-
await SimpleAlertDialog.showErrorDialog(e, context);
255-
}
256-
},
257-
child: const Text('Read'),
258-
),
259-
TextButton(
260-
onPressed: () async {
261-
await FilePickerWritable().writeFile(
262-
identifier: fileInfo.identifier,
263-
writer: (file) async {
264-
final content =
265-
'New Content written at ${DateTime.now()}.\n\n';
266-
await file.writeAsString(content);
267-
await SimpleAlertDialog(
268-
bodyText: 'Written: $content',
269-
).show(context);
270-
});
271-
},
272-
child: const Text('Overwrite'),
273-
),
312+
},
313+
child: const Text('Overwrite'),
314+
),
315+
TextButton(
316+
onPressed: () async {
317+
final directoryInfo = await FilePickerWritable()
318+
.openDirectory(initialDirUri: entityInfo.uri);
319+
if (directoryInfo != null) {
320+
final data = await appDataBloc.store.load();
321+
await appDataBloc.store.save(data.copyWith(
322+
directories: data.directories + [directoryInfo]));
323+
}
324+
},
325+
child: const Text('Pick dir'),
326+
),
327+
],
274328
IconButton(
275329
onPressed: () async {
276330
try {
277331
await FilePickerWritable()
278-
.disposeIdentifier(fileInfo.identifier);
332+
.disposeIdentifier(entityInfo.identifier);
279333
} on Exception catch (e) {
280334
await SimpleAlertDialog.showErrorDialog(e, context);
281335
}
282336
final appData = await appDataBloc.store.load();
283-
await appDataBloc.store.save(appData.copyWith(
337+
await appDataBloc.store.save(
338+
appData.copyWith(
284339
files: appData.files
285-
.where((element) => element != fileInfo)
286-
.toList()));
340+
.where((element) => element != entityInfo)
341+
.toList(),
342+
directories: appData.directories
343+
.where((element) => element != entityInfo)
344+
.toList(),
345+
),
346+
);
287347
},
288348
icon: const Icon(Icons.remove_circle_outline),
289349
),

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