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NotesFolder: Listen to changes of the subFolders and Notes

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A NotesFolder doesn't only change when a note/folder is added or
removed. It is also changed when the contents of the Notes/Folders it
contains have changed.
This commit is contained in:
Vishesh Handa
2019-12-08 00:56:55 +01:00
parent 644ef47076
commit 9e2d59f3fa
1 changed files with 29 additions and 1 deletions
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30
lib/core/notes_folder.dart
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@ -14,6 +14,22 @@ class NotesFolder with ChangeNotifier {
NotesFolder(this.parent, this.folderPath);
@override
void dispose() {
_entities.forEach((e) {
if (e.isFolder) {
e.folder.removeListener(_entityChanged);
} else {
e.note.removeListener(_entityChanged);
}
});
super.dispose();
}
void _entityChanged() {
notifyListeners();
}
bool get isEmpty {
return _entities.isEmpty;
}
@ -65,6 +81,13 @@ class NotesFolder with ChangeNotifier {
// FIXME: This should not reconstruct the Notes or NotesFolders once constructed.
Future<void> loadRecursively() async {
final dir = Directory(folderPath);
_entities.forEach((e) {
if (e.isFolder) {
e.folder.dispose();
} else {
e.note.dispose();
}
});
_entities = [];
var lister = dir.list(recursive: false, followLinks: false);
@ -74,23 +97,28 @@ class NotesFolder with ChangeNotifier {
if (subFolder.name.startsWith('.')) {
continue;
}
subFolder.addListener(_entityChanged);
await subFolder.loadRecursively();
var noteFSEntity = NoteFSEntity(folder: subFolder);
_entities.add(noteFSEntity);
continue;
}
var note = Note(this, fsEntity.path);
if (!note.filePath.toLowerCase().endsWith('.md')) {
continue;
}
note.addListener(_entityChanged);
await note.load();
var noteFSEntity = NoteFSEntity(note: note);
_entities.add(noteFSEntity);
}
notifyListeners();
if (_entities.isNotEmpty) {
notifyListeners();
}
}
void add(Note note) {