Support multi note selection

Fixes #90

assets/langs/en.yaml

@@ -370,7 +370,12 @@ widgets:
     actions:
       moveToFolder: Move To Folder
   NoteDeleteDialog:
-    title: Do you want to delete this note?
+    title:
+      one: Do you want to delete this note?
+      two: Do you want to delete these {} notes?
+      few: Do you want to delete these {} notes?
+      many: Do you want to delete these {} notes?
+      other: Do you want to delete these {} notes?
     yes: Yes
     no: No
   NoteEditor:

lib/core/commit_message_builder.dart

@@ -18,8 +18,28 @@ class CommitMessageBuilder {
   String moveNote(String oldSpec, String newSpec) =>
       "Moved Note $oldSpec -> $newSpec";
 
+  String moveNotes(List<String> oldSpecs, List<String> newSpecs) {
+    var msg = "Moved ${oldSpecs.length} Notes\n\n";
+
+    for (var i = 0; i < oldSpecs.length; i++) {
+      var oldSpec = oldSpecs[i];
+      var newSpec = newSpecs[i];
+
+      msg += '* $oldSpec -> $newSpec';
+    }
+    return msg;
+  }
+
   String removeNote(String spec) => "Removed Note $spec";
   String removeFolder(String spec) => "Removed Folder $spec";
+  String removeNotes(Iterable<String> specs) {
+    var list = specs.toList();
+    var msg = "Removed ${list.length} Notes\n\n";
+    for (var spec in list) {
+      msg += '- $spec';
+    }
+    return msg;
+  }
 
   String updateNote(String spec) => "Updated Note $spec";
 }

lib/core/git_repo.dart

@@ -163,25 +163,32 @@ class GitNoteRepository {
     return _addAllAndCommit(msg);
   }
 
-  Future<Result<void>> moveNote(
-    String oldFullPath,
-    String newFullPath,
+  Future<Result<void>> moveNotes(
+    List<String> oldPaths,
+    List<String> newPaths,
+    String newFolderPath,
   ) async {
     var repoPath = gitRepoPath.endsWith('/') ? gitRepoPath : '$gitRepoPath/';
-    var oldSpec = oldFullPath.substring(repoPath.length);
-    var newSpec = newFullPath.substring(repoPath.length);
-    var msg = messageBuilder.moveNote(oldSpec, newSpec);
+    var oldSpecs = oldPaths.map((p) => p.substring(repoPath.length)).toList();
+    var newSpecs = newPaths.map((p) => p.substring(repoPath.length)).toList();
 
+    var msg = oldPaths.length == 1
+        ? messageBuilder.moveNote(oldSpecs.first, newSpecs.first)
+        : messageBuilder.moveNotes(oldSpecs, newSpecs);
     return _addAllAndCommit(msg);
   }
 
-  Future<Result<void>> removeNote(Note note) async {
+  Future<Result<void>> removeNotes(List<Note> notes) async {
     return catchAll(() async {
       // We are not calling note.remove() as gitRm will also remove the file
-      var spec = note.pathSpec();
-      await _rm(spec).throwOnError();
+      for (var note in notes) {
+        var spec = note.pathSpec();
+        await _rm(spec).throwOnError();
+      }
       await _commit(
-        message: messageBuilder.removeNote(spec),
+        message: notes.length == 1
+            ? messageBuilder.removeNote(notes.first.pathSpec())
+            : messageBuilder.removeNotes(notes.map((n) => n.pathSpec())),
         authorEmail: config.gitAuthorEmail,
         authorName: config.gitAuthor,
       ).throwOnError();

lib/folder_views/common.dart

@@ -34,7 +34,7 @@ Widget buildFolderView({
   required NoteSelectedFunction noteTapped,
   required NoteSelectedFunction noteLongPressed,
   required NoteBoolPropertyFunction isNoteSelected,
-  required String searchTerm,
+  String searchTerm = "",
 }) {
   switch (viewType) {
     case FolderViewType.Standard:

lib/folder_views/folder_view.dart

@@ -68,8 +68,8 @@ class _FolderViewState extends State<FolderView> {
   var _headerType = StandardViewHeader.TitleGenerated;
   bool _showSummary = true;
 
-  Note? selectedNote;
-  bool get inSelectionMode => selectedNote != null;
+  var selectedNotes = <Note>[];
+  bool get inSelectionMode => selectedNotes.isNotEmpty;
 
   @override
   void initState() {
@@ -119,7 +119,7 @@ class _FolderViewState extends State<FolderView> {
   Widget _buildBody(BuildContext context) {
     var title = widget.notesFolder.publicName;
     if (inSelectionMode) {
-      title = NumberFormat.compact().format(1);
+      title = NumberFormat.compact().format(selectedNotes.length);
     }
 
     var folderView = buildFolderView(
@@ -128,20 +128,9 @@ class _FolderViewState extends State<FolderView> {
       emptyText: tr(LocaleKeys.screens_folder_view_empty),
       header: _headerType,
       showSummary: _showSummary,
-      noteTapped: (Note note) {
-        if (!inSelectionMode) {
-          openNoteEditor(context, note, widget.notesFolder);
-        } else {
-          _resetSelection();
-        }
-      },
-      noteLongPressed: (Note note) {
-        setState(() {
-          selectedNote = note;
-        });
-      },
-      isNoteSelected: (n) => n == selectedNote,
-      searchTerm: "",
+      noteTapped: _noteTapped,
+      noteLongPressed: _noteLongPress,
+      isNoteSelected: (n) => selectedNotes.contains(n),
     );
 
     Widget pinnedFolderView = const SizedBox();
@@ -152,23 +141,11 @@ class _FolderViewState extends State<FolderView> {
         emptyText: null,
         header: _headerType,
         showSummary: _showSummary,
-        noteTapped: (Note note) {
-          if (!inSelectionMode) {
-            openNoteEditor(context, note, widget.notesFolder);
-          } else {
-            _resetSelection();
-          }
-        },
-        noteLongPressed: (Note note) {
-          setState(() {
-            selectedNote = note;
-          });
-        },
-        isNoteSelected: (n) => n == selectedNote,
-        searchTerm: "",
+        noteTapped: _noteTapped,
+        noteLongPressed: _noteLongPress,
+        isNoteSelected: (n) => selectedNotes.contains(n),
       );
     }
-    // assert(folderView is SliverWithKeepAliveWidget);
 
     var settings = Provider.of<Settings>(context);
     final showButtomMenuBar = settings.bottomMenuBar;
@@ -231,6 +208,37 @@ class _FolderViewState extends State<FolderView> {
     );
   }
 
+  void _noteLongPress(Note note) {
+    var i = selectedNotes.indexOf(note);
+    if (i != -1) {
+      setState(() {
+        selectedNotes.removeAt(i);
+      });
+    } else {
+      setState(() {
+        selectedNotes.add(note);
+      });
+    }
+  }
+
+  void _noteTapped(Note note) {
+    if (!inSelectionMode) {
+      openNoteEditor(context, note, widget.notesFolder);
+      return;
+    }
+
+    var i = selectedNotes.indexOf(note);
+    if (i != -1) {
+      setState(() {
+        selectedNotes.removeAt(i);
+      });
+    } else {
+      setState(() {
+        selectedNotes.add(note);
+      });
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     var createButton = FloatingActionButton(
@@ -558,7 +566,7 @@ class _FolderViewState extends State<FolderView> {
       onSelected: (NoteSelectedExtraActions choice) {
         switch (choice) {
           case NoteSelectedExtraActions.MoveToFolder:
-            _moveNoteToFolder();
+            _moveSelectedNotesToFolder();
             break;
         }
       },
@@ -572,50 +580,48 @@ class _FolderViewState extends State<FolderView> {
     );
 
     return <Widget>[
-      IconButton(
-        icon: const Icon(Icons.share),
-        onPressed: () async {
-          await shareNote(selectedNote!);
-          _resetSelection();
-        },
-      ),
+      if (selectedNotes.length == 1)
+        IconButton(
+          icon: const Icon(Icons.share),
+          onPressed: () async {
+            await shareNote(selectedNotes.first);
+            _resetSelection();
+          },
+        ),
       IconButton(
         icon: const Icon(Icons.delete),
-        onPressed: _deleteNote,
+        onPressed: _deleteSelectedNotes,
       ),
       extraActions,
     ];
   }
 
-  void _deleteNote() async {
-    var note = selectedNote;
-
+  void _deleteSelectedNotes() async {
     var settings = Provider.of<Settings>(context, listen: false);
     var shouldDelete = true;
     if (settings.confirmDelete) {
-      shouldDelete = await showDialog(
-        context: context,
-        builder: (context) => NoteDeleteDialog(),
-      );
+      shouldDelete = (await showDialog(
+            context: context,
+            builder: (context) => NoteDeleteDialog(num: selectedNotes.length),
+          )) ==
+          true;
     }
     if (shouldDelete == true) {
-      var stateContainer = context.read<GitJournalRepo>();
-      stateContainer.removeNote(note!);
+      var repo = context.read<GitJournalRepo>();
+      repo.removeNotes(selectedNotes);
     }
 
     _resetSelection();
   }
 
-  void _moveNoteToFolder() async {
-    var note = selectedNote!;
-
+  void _moveSelectedNotesToFolder() async {
     var destFolder = await showDialog<NotesFolderFS>(
       context: context,
       builder: (context) => FolderSelectionDialog(),
     );
     if (destFolder != null) {
       var repo = context.read<GitJournalRepo>();
-      repo.moveNote(note, destFolder);
+      repo.moveNotes(selectedNotes, destFolder);
     }
 
     _resetSelection();
@@ -623,7 +629,7 @@ class _FolderViewState extends State<FolderView> {
 
   void _resetSelection() {
     setState(() {
-      selectedNote = null;
+      selectedNotes = [];
     });
   }
 }

lib/repository.dart

@@ -366,8 +366,15 @@ class GitJournalRepo with ChangeNotifier {
     });
   }
 
-  void moveNote(Note note, NotesFolderFS destFolder) async {
-    if (destFolder.folderPath == note.parent.folderPath) {
+  Future<void> moveNote(Note note, NotesFolderFS destFolder) =>
+      moveNotes([note], destFolder);
+
+  Future<void> moveNotes(List<Note> notes, NotesFolderFS destFolder) async {
+    notes = notes
+        .where((n) => n.parent.folderPath != destFolder.folderPath)
+        .toList();
+
+    if (notes.isEmpty) {
       return;
     }
 
@@ -375,10 +382,17 @@ class GitJournalRepo with ChangeNotifier {
     return _opLock.synchronized(() async {
       Log.d("Got moveNote lock");
 
-      var oldNotePath = note.filePath;
-      NotesFolderFS.moveNote(note, destFolder);
+      var oldPaths = <String>[];
+      var newPaths = <String>[];
+      for (var note in notes) {
+        oldPaths.add(note.filePath);
+        NotesFolderFS.moveNote(note, destFolder);
+        newPaths.add(note.filePath);
+      }
 
-      _gitRepo.moveNote(oldNotePath, note.filePath).then((Result<void> _) {
+      _gitRepo
+          .moveNotes(oldPaths, newPaths, destFolder.folderPath)
+          .then((Result<void> _) {
         _syncNotes();
         numChanges += 1;
         notifyListeners();
@@ -421,15 +435,19 @@ class GitJournalRepo with ChangeNotifier {
     });
   }
 
-  void removeNote(Note note) async {
+  void removeNote(Note note) => removeNotes([note]);
+
+  void removeNotes(List<Note> notes) async {
     logEvent(Event.NoteDeleted);
 
     return _opLock.synchronized(() async {
       Log.d("Got removeNote lock");
 
       // FIXME: What if the Note hasn't yet been saved?
-      note.parent.remove(note);
-      _gitRepo.removeNote(note).then((Result<void> _) async {
+      for (var note in notes) {
+        note.parent.remove(note);
+      }
+      _gitRepo.removeNotes(notes).then((Result<void> _) async {
         numChanges += 1;
         notifyListeners();
         // FIXME: Is there a way of figuring this amount dynamically?

lib/screens/note_editor.dart

@@ -335,7 +335,7 @@ class NoteEditorState extends State<NoteEditor>
     if (settings.confirmDelete) {
       shouldDelete = await showDialog(
         context: context,
-        builder: (context) => NoteDeleteDialog(),
+        builder: (context) => const NoteDeleteDialog(num: 1),
       );
     }
     if (shouldDelete == true) {

lib/widgets/note_delete_dialog.dart

@@ -11,18 +11,22 @@ import 'package:easy_localization/easy_localization.dart';
 import 'package:gitjournal/generated/locale_keys.g.dart';
 
 class NoteDeleteDialog extends StatelessWidget {
+  final int num;
+
+  const NoteDeleteDialog({Key? key, required this.num}) : super(key: key);
+
   @override
   Widget build(BuildContext context) {
     return AlertDialog(
-      title: Text(tr(LocaleKeys.widgets_NoteDeleteDialog_title)),
+      title: Text(LocaleKeys.widgets_NoteDeleteDialog_title.plural(num)),
       actions: <Widget>[
         TextButton(
           onPressed: () => Navigator.of(context).pop(false),
-          child: Text(tr(LocaleKeys.widgets_NoteDeleteDialog_no)),
+          child: Text(LocaleKeys.widgets_NoteDeleteDialog_no.tr()),
         ),
         TextButton(
           onPressed: () => Navigator.of(context).pop(true),
-          child: Text(tr(LocaleKeys.widgets_NoteDeleteDialog_yes)),
+          child: Text(LocaleKeys.widgets_NoteDeleteDialog_yes.tr()),
         ),
       ],
     );