[370] Add plain text notes

lib/app.dart

@@ -119,7 +119,7 @@ class _AppState extends ConsumerState<App> with AfterLayoutMixin<App> {
           ),
           child: MaterialApp(
             title: 'Material Notes',
-            home: NotesPage(),
+            home: NotesPage(label: null),
             navigatorKey: rootNavigatorKey,
             builder: (context, child) {
               // Change the widget shown when a widget building fails

lib/common/actions/notes/add.dart

@@ -10,12 +10,20 @@ import 'select.dart';
 /// Adds a note.
 ///
 /// A [content] can be specified when the note is created from a sharing intent.
-Future<void> addNote(BuildContext context, WidgetRef ref, {String? content}) async {
+Future<void> addNote<NoteType>(BuildContext context, WidgetRef ref, {String? content}) async {
   if (isNotesSelectionModeNotifier.value) {
     exitNotesSelectionMode(context, ref);
   }
 
-  final note = content == null ? RichTextNote.empty() : RichTextNote.content(content);
+  final Note note;
+  switch (NoteType) {
+    case == PlainTextNote:
+      note = content == null ? PlainTextNote.empty() : PlainTextNote.content(content);
+    case == RichTextNote:
+      note = content == null ? RichTextNote.empty() : RichTextNote.content(content);
+    default:
+      throw Exception('Unknown note type when creating a new note: $NoteType');
+  }
 
   // If some content was provided, immediately save the note without waiting for changes in the editor
   if (content != null) {

lib/common/constants/constants.dart

@@ -1,9 +1,14 @@
 import 'package:flutter/material.dart';
-import '../logs/app_logger.dart';
-import '../../l10n/app_localizations/app_localizations.g.dart';
 import 'package:parchment/codecs.dart';
 import 'package:saf_stream/saf_stream.dart';
 import 'package:saf_util/saf_util.dart';
+import 'package:uuid/uuid.dart';
+
+import '../../l10n/app_localizations/app_localizations.g.dart';
+import '../logs/app_logger.dart';
+
+/// An UUID generator.
+final uuid = Uuid();
 
 /// Contact email address.
 const contactEmail = '[email protected]';

lib/common/navigation/app_bars/basic_app_bar.dart

@@ -1,24 +1,16 @@
 import 'package:flutter/material.dart';
 
 /// Basic app bar.
-///
-/// Contains:
-///   - A back button if built with [BasicAppBar.back].
-///   - The title of the current route.
 class BasicAppBar extends StatelessWidget {
-  /// Default constructor.
+  /// A basic app bar with a title.
   const BasicAppBar({
     super.key,
     required this.title,
-    this.back = false,
   });
 
   /// Title to display in the app bar.
   final String title;
 
-  /// Whether to show the back button.
-  final bool back;
-
   @override
   Widget build(BuildContext context) {
     return AppBar(

lib/common/navigation/app_bars/editor_app_bar.dart

@@ -2,6 +2,7 @@ import 'package:fleather/fleather.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 
+import '../../../models/note/notes_types.dart';
 import '../../../pages/editor/sheets/about_sheet.dart';
 import '../../../providers/notifiers/notifiers.dart';
 import '../../actions/notes/copy.dart';
@@ -16,16 +17,9 @@ import '../../preferences/preference_key.dart';
 import '../enums/bin_menu_option.dart';
 import '../enums/note_menu_option.dart';
 
-/// Editor's app bar.
-///
-/// Contains:
-///   - A back button.
-///   - The title of the editor route.
-///   - The undo/redo buttons if enabled by the user.
-///   - The checklist button if enabled by the user.
-///   - The menu with further actions.
+/// Editor app bar.
 class EditorAppBar extends ConsumerStatefulWidget {
-  /// Default constructor.
+  /// App bar of the editor page allowing to perform actions on the note.
   const EditorAppBar({
     super.key,
   });
@@ -35,12 +29,10 @@ class EditorAppBar extends ConsumerStatefulWidget {
 }
 
 class _BackAppBarState extends ConsumerState<EditorAppBar> {
-  /// Switches the editor mode between editing and viewing.
   void switchMode() {
-    isFleatherEditorEditMode.value = !isFleatherEditorEditMode.value;
+    isEditorInEditModeNotifier.value = !isEditorInEditModeNotifier.value;
   }
 
-  /// Performs the action associated with the selected [menuOption] on the not deleted note.
   Future<void> onNoteMenuOptionSelected(NoteMenuOption menuOption) async {
     // Manually close the keyboard
     FocusManager.instance.primaryFocus?.unfocus();
@@ -74,7 +66,6 @@ class _BackAppBarState extends ConsumerState<EditorAppBar> {
     }
   }
 
-  /// Performs the action associated with the selected [menuOption] on the deleted note.
   Future<void> onBinMenuOptionSelected(BinMenuOption menuOption) async {
     // Manually close the keyboard
     FocusManager.instance.primaryFocus?.unfocus();
@@ -102,7 +93,6 @@ class _BackAppBarState extends ConsumerState<EditorAppBar> {
     }
   }
 
-  /// Undoes the latest change in the editor.
   void undo() {
     final editorController = fleatherControllerNotifier.value;
 
@@ -113,7 +103,6 @@ class _BackAppBarState extends ConsumerState<EditorAppBar> {
     editorController.undo();
   }
 
-  /// Redoes the latest change in the editor.
   void redo() {
     final editorController = fleatherControllerNotifier.value;
 
@@ -124,7 +113,6 @@ class _BackAppBarState extends ConsumerState<EditorAppBar> {
     editorController.redo();
   }
 
-  /// Toggles the presence of the checklist in the currently active line of the editor.
   void toggleChecklist() {
     final editorController = fleatherControllerNotifier.value;
 
@@ -144,50 +132,45 @@ class _BackAppBarState extends ConsumerState<EditorAppBar> {
     final editorController = fleatherControllerNotifier.value;
 
     final showEditorModeButton = PreferenceKey.editorModeButton.getPreferenceOrDefault();
-    final showUndoRedoButtons = PreferenceKey.showUndoRedoButtons.getPreferenceOrDefault();
-    final showChecklistButton = PreferenceKey.showChecklistButton.getPreferenceOrDefault();
     final enableLabels = PreferenceKey.enableLabels.getPreferenceOrDefault();
 
     return ValueListenableBuilder(
-      valueListenable: fleatherFieldHasFocusNotifier,
-      builder: (context, hasFocus, child) => ValueListenableBuilder(
-        valueListenable: isFleatherEditorEditMode,
+      valueListenable: editorHasFocusNotifier,
+      builder: (context, editorHasFocus, child) => ValueListenableBuilder(
+        valueListenable: isEditorInEditModeNotifier,
         builder: (context, isEditMode, child) => AppBar(
           leading: BackButton(),
           actions: note == null
               ? null
               : [
                   if (!note.deleted) ...[
-                    if (showUndoRedoButtons)
+                    if (note.type == NoteType.richText) ...[
                       ValueListenableBuilder(
                         valueListenable: fleatherControllerCanUndoNotifier,
                         builder: (context, canUndo, child) => IconButton(
                           icon: const Icon(Icons.undo),
                           tooltip: l.tooltip_undo,
-                          onPressed:
-                              hasFocus && canUndo && editorController != null && editorController.canUndo && isEditMode
-                                  ? undo
-                                  : null,
+                          onPressed: editorHasFocus &&
+                                  canUndo &&
+                                  editorController != null &&
+                                  editorController.canUndo &&
+                                  isEditMode
+                              ? undo
+                              : null,
                         ),
                       ),
-                    if (showUndoRedoButtons)
                       ValueListenableBuilder(
                         valueListenable: fleatherControllerCanRedoNotifier,
                         builder: (context, canRedo, child) => IconButton(
                           icon: const Icon(Icons.redo),
                           tooltip: l.tooltip_redo,
-                          onPressed: hasFocus && canRedo && isEditMode ? redo : null,
+                          onPressed: editorHasFocus && canRedo && isEditMode ? redo : null,
                         ),
                       ),
-                    if (showChecklistButton)
-                      IconButton(
-                        icon: const Icon(Icons.checklist),
-                        tooltip: l.tooltip_toggle_checkbox,
-                        onPressed: hasFocus && isEditMode ? toggleChecklist : null,
-                      ),
+                    ],
                     if (showEditorModeButton)
                       ValueListenableBuilder(
-                        valueListenable: isFleatherEditorEditMode,
+                        valueListenable: isEditorInEditModeNotifier,
                         builder: (context, isEditMode, child) => IconButton(
                           icon: Icon(isEditMode ? Icons.visibility : Icons.edit),
                           tooltip: isEditMode

lib/common/navigation/app_bars/notes_app_bar.dart

@@ -2,6 +2,7 @@ import 'package:collection/collection.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 
+import '../../../models/label/label.dart';
 import '../../../models/note/note.dart';
 import '../../../providers/bin/bin_provider.dart';
 import '../../../providers/notes/notes_provider.dart';
@@ -29,16 +30,20 @@ class NotesAppBar extends ConsumerWidget {
   /// Default constructor.
   const NotesAppBar({
     super.key,
+    this.label,
     this.notesPage = true,
   });
 
+  /// The label used to filter the notes.
+  final Label? label;
+
   /// Whether the current page is the notes list.
   final bool notesPage;
 
   /// Returns the title of the app bar.
   String get title {
     if (notesPage) {
-      return currentLabelFilter?.name ?? l.navigation_notes;
+      return label?.name ?? l.navigation_notes;
     } else {
       return l.navigation_bin;
     }

lib/common/navigation/app_bars/notes_selection_app_bar.dart

@@ -102,25 +102,27 @@ class NotesSelectionAppBar extends ConsumerWidget {
   }
 
   @override
-  Widget build(BuildContext context, WidgetRef ref) => notesPage
-      ? ref.watch(notesProvider(label: currentLabelFilter)).when(
-            data: (notes) => buildAppBar(
-              context,
-              ref,
-              notes.where((note) => note.selected).toList(),
-              notes.length,
-            ),
-            error: (exception, stackTrace) => ErrorPlaceholder(exception: exception, stackTrace: stackTrace),
-            loading: () => const LoadingPlaceholder(),
-          )
-      : ref.watch(binProvider).when(
-            data: (notes) => buildAppBar(
-              context,
-              ref,
-              notes.where((note) => note.selected).toList(),
-              notes.length,
-            ),
-            error: (exception, stackTrace) => ErrorPlaceholder(exception: exception, stackTrace: stackTrace),
-            loading: () => const LoadingPlaceholder(),
-          );
+  Widget build(BuildContext context, WidgetRef ref) {
+    return notesPage
+        ? ref.watch(notesProvider(label: currentLabelFilter)).when(
+              data: (notes) => buildAppBar(
+                context,
+                ref,
+                notes.where((note) => note.selected).toList(),
+                notes.length,
+              ),
+              error: (exception, stackTrace) => ErrorPlaceholder(exception: exception, stackTrace: stackTrace),
+              loading: () => const LoadingPlaceholder(),
+            )
+        : ref.watch(binProvider).when(
+              data: (notes) => buildAppBar(
+                context,
+                ref,
+                notes.where((note) => note.selected).toList(),
+                notes.length,
+              ),
+              error: (exception, stackTrace) => ErrorPlaceholder(exception: exception, stackTrace: stackTrace),
+              loading: () => const LoadingPlaceholder(),
+            );
+  }
 }

lib/common/navigation/side_navigation.dart

@@ -124,12 +124,12 @@ class _SideNavigationState extends ConsumerState<SideNavigation> {
             ? NavigatorUtils.push(
                 context,
                 '${NavigationRoute.label.name}-${label.name}',
-                NotesPage(),
+                NotesPage(label: currentLabelFilter),
               )
             : NavigatorUtils.go(
                 context,
                 '${NavigationRoute.label.name}-${label.name}',
-                NotesPage(),
+                NotesPage(label: currentLabelFilter),
               );
       } else if (index == labels.length + 1) {
         NavigationRoute.manageLabels.pushOrGo(context, isHomeRoute(route), LabelsPage());

lib/common/preferences/preference_key.dart

@@ -3,16 +3,26 @@ import 'preferences_utils.dart';
 // ignore_for_file: public_member_api_docs
 
 /// Keys of preferences.
-enum PreferenceKey<T> {
+enum PreferenceKey<T extends Object> {
   // Appearance
   locale<String>('en', backup: false),
   theme<String>('system'),
   dynamicTheming<bool>(true),
   blackTheming<bool>(false),
   appFont<String>('systemDefault'),
   editorFont<String>('systemDefault'),
+
+  // Notes types
+  availableNotesTypes<List<String>>(['plainText', 'richText']),
+  defaultShortcutNoteType<String>('plainText'),
+
+  // Rich text notes
+  useParagraphsSpacing<bool>(true),
+
+  // Notes tiles
   showTilesBackground<bool>(false),
   showSeparators<bool>(false),
+  showNoteTypeIcon<bool>(true),
   showTitlesOnly<bool>(false),
   showTitlesOnlyDisableInSearchView<bool>(true),
   maximumContentPreviewLines<int>(3),
@@ -26,13 +36,9 @@ enum PreferenceKey<T> {
   binSwipeLeftAction<String>('restore'),
 
   // Editor
-  showUndoRedoButtons<bool>(true),
-  showChecklistButton<bool>(true),
-  showToolbar<bool>(true),
   editorModeButton<bool>(true),
   openEditorReadingMode<bool>(false),
   focusTitleOnNewNote<bool>(false),
-  useParagraphsSpacing<bool>(true),
 
   // Labels
   enableLabels<bool>(true),