feat: remember preview/edit mode per note

app/src/main/java/it/niedermann/owncloud/notes/edit/EditNoteActivity.java

@@ -249,40 +249,52 @@ private void replaceFragment() {
 
 
     /**
-     * Returns the preferred mode for the account. If the mode is "remember last" the last mode is returned.
-     * If the mode is "direct edit" and the account does not support direct edit, the default mode is returned.
+     * Returns the preferred mode for the note. Checks the per-note stored mode first, then falls
+     * back to the global preference. If the mode is "remember last" the last mode is returned.
+     * If the mode is "direct edit" and the account does not support direct edit, edit mode is returned.
      */
-    private String getPreferenceMode(long accountId) {
-
-        final var prefKeyNoteMode = getString(R.string.pref_key_note_mode);
-        final var prefKeyLastMode = getString(R.string.pref_key_last_note_mode);
+    private String getPreferenceMode(long accountId, long noteId) {
         final var defaultMode = getString(R.string.pref_value_mode_edit);
-        final var prefValueLast = getString(R.string.pref_value_mode_last);
         final var prefValueDirectEdit = getString(R.string.pref_value_mode_direct_edit);
 
+        final Note note = noteId > 0 ? repo.getNoteById(noteId) : null;
+        final String storedMode = note == null ? null : note.getNoteMode();
+        if (storedMode != null) {
+            if (storedMode.equals(prefValueDirectEdit) && !isDirectEditingAvailable(accountId)) {
+                return defaultMode;
+            }
+            return storedMode;
+        }
 
-        final var preferences = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
-        final String modePreference = preferences.getString(prefKeyNoteMode, defaultMode);
+        final var prefKeyNoteMode = getString(R.string.pref_key_note_mode);
+        final var prefValuePreview = getString(R.string.pref_value_mode_preview);
 
-        String effectiveMode = modePreference;
-        if (modePreference.equals(prefValueLast)) {
-            effectiveMode = preferences.getString(prefKeyLastMode, defaultMode);
+        final var preferences = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
+        String effectiveMode = preferences.getString(prefKeyNoteMode, defaultMode);
+
+        // A previously stored "remember last" value is no longer a valid mode; fall back to the default.
+        final boolean knownMode = effectiveMode.equals(defaultMode)
+                || effectiveMode.equals(prefValuePreview)
+                || effectiveMode.equals(prefValueDirectEdit);
+        if (!knownMode) {
+            effectiveMode = defaultMode;
         }
 
-        if (effectiveMode.equals(prefValueDirectEdit)) {
-            final Account accountById = repo.getAccountById(accountId);
-            final var directEditAvailable = accountById != null && accountById.isDirectEditingAvailable();
-            if (!directEditAvailable) {
-                effectiveMode = defaultMode;
-            }
+        if (effectiveMode.equals(prefValueDirectEdit) && !isDirectEditingAvailable(accountId)) {
+            effectiveMode = defaultMode;
         }
 
         return effectiveMode;
     }
 
+    private boolean isDirectEditingAvailable(long accountId) {
+        final Account account = repo.getAccountById(accountId);
+        return account != null && account.isDirectEditingAvailable();
+    }
+
     private BaseNoteFragment getNoteFragment(long accountId, long noteId, final @Nullable String modePref) {
 
-        final var effectiveMode = modePref == null ? getPreferenceMode(accountId) : modePref;
+        final var effectiveMode = modePref == null ? getPreferenceMode(accountId, noteId) : modePref;
 
         final var prefValueEdit = getString(R.string.pref_value_mode_edit);
         final var prefValueDirectEdit = getString(R.string.pref_value_mode_direct_edit);
@@ -302,7 +314,7 @@ private BaseNoteFragment getNoteFragment(long accountId, long noteId, final @Nul
 
     @NonNull
     private BaseNoteFragment getNewNoteFragment(Note newNote) {
-        final var mode = getPreferenceMode(getAccountId());
+        final var mode = getPreferenceMode(getAccountId(), 0);
 
         final var prefValueDirectEdit = getString(R.string.pref_value_mode_direct_edit);
 
@@ -397,18 +409,6 @@ public boolean onOptionsItemSelected(MenuItem item) {
      * Send result and closes the Activity
      */
     public void close() {
-        /* TODO enhancement: store last mode in note
-         * for cross device functionality per note mode should be stored on the server.
-         */
-        final var preferences = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
-        final String prefKeyLastMode = getString(R.string.pref_key_last_note_mode);
-        if (fragment instanceof NoteEditFragment) {
-            preferences.edit().putString(prefKeyLastMode, getString(R.string.pref_value_mode_edit)).apply();
-        } else if (fragment instanceof NotePreviewFragment) {
-            preferences.edit().putString(prefKeyLastMode, getString(R.string.pref_value_mode_preview)).apply();
-        } else if (fragment instanceof NoteDirectEditFragment) {
-            preferences.edit().putString(prefKeyLastMode, getString(R.string.pref_value_mode_direct_edit)).apply();
-        }
         fragment.onCloseNote();
 
         if(isTaskRoot()) {
@@ -435,12 +435,17 @@ public void onNoteUpdated(Note note) {
 
     @Override
     public void changeMode(@NonNull Mode mode, boolean reloadNote) {
-        switch (mode) {
-            case EDIT -> launchExistingNote(getAccountId(), getNoteId(), getString(R.string.pref_value_mode_edit), reloadNote);
-            case PREVIEW -> launchExistingNote(getAccountId(), getNoteId(), getString(R.string.pref_value_mode_preview), reloadNote);
-            case DIRECT_EDIT -> launchExistingNote(getAccountId(), getNoteId(), getString(R.string.pref_value_mode_direct_edit), reloadNote);
+        final String modeString = switch (mode) {
+            case EDIT -> getString(R.string.pref_value_mode_edit);
+            case PREVIEW -> getString(R.string.pref_value_mode_preview);
+            case DIRECT_EDIT -> getString(R.string.pref_value_mode_direct_edit);
             default -> throw new IllegalStateException("Unknown mode: " + mode);
+        };
+        final long noteId = getNoteId();
+        if (noteId > 0) {
+            repo.updateNoteMode(noteId, modeString);
         }
+        launchExistingNote(getAccountId(), noteId, modeString, reloadNote);
     }
 
 

app/src/main/java/it/niedermann/owncloud/notes/persistence/NotesDatabase.java

@@ -58,12 +58,13 @@
         NotesListWidgetData.class,
         ShareEntity.class,
         Capabilities.class
-    }, version = 29,
+    }, version = 30,
     autoMigrations = {
         @AutoMigration(from = 25, to = 26),
         @AutoMigration(from = 26, to = 27),
         @AutoMigration(from = 27, to = 28),
         @AutoMigration(from = 28, to = 29),
+        @AutoMigration(from = 29, to = 30),
     }
 )
 @TypeConverters({Converters.class})

app/src/main/java/it/niedermann/owncloud/notes/persistence/NotesRepository.java

@@ -372,6 +372,10 @@ public void updateScrollY(long id, int scrollY) {
         db.getNoteDao().updateScrollY(id, scrollY);
     }
 
+    public void updateNoteMode(long id, @Nullable String noteMode) {
+        db.getNoteDao().updateNoteMode(id, noteMode);
+    }
+
     public LiveData<List<CategoryWithNotesCount>> searchCategories$(Long accountId, String searchTerm) {
         return db.getNoteDao().searchCategories$(accountId, searchTerm);
     }

app/src/main/java/it/niedermann/owncloud/notes/persistence/dao/NoteDao.java

@@ -6,6 +6,7 @@
  */
 package it.niedermann.owncloud.notes.persistence.dao;
 
+import androidx.annotation.Nullable;
 import androidx.lifecycle.LiveData;
 import androidx.room.Dao;
 import androidx.room.Insert;
@@ -72,28 +73,28 @@
     Integer countFavorites(long accountId);
 
     @Query(searchRecentByModified)
     LiveData<List<Note>> searchRecentByModified$(long accountId, String query);
 
     @Query(searchRecentByModified)
     List<Note> searchRecentByModified(long accountId, String query);
 
     @Query(searchRecentLexicographically)
     LiveData<List<Note>> searchRecentLexicographically$(long accountId, String query);
 
     @Query(searchRecentLexicographically)
     List<Note> searchRecentLexicographically(long accountId, String query);
 
     @Query(searchFavoritesByModified)
     LiveData<List<Note>> searchFavoritesByModified$(long accountId, String query);
 
     @Query(searchFavoritesByModified)
     List<Note> searchFavoritesByModified(long accountId, String query);
 
     @Query(searchFavoritesLexicographically)
     LiveData<List<Note>> searchFavoritesLexicographically$(long accountId, String query);
 
     @Query(searchFavoritesLexicographically)
     List<Note> searchFavoritesLexicographically(long accountId, String query);
 
     @Query(searchUncategorizedByModified)
     LiveData<List<Note>> searchUncategorizedByModified$(long accountId, String query);
@@ -125,6 +126,9 @@
     @Query("UPDATE NOTE SET scrollY = :scrollY WHERE id = :id")
     void updateScrollY(long id, int scrollY);
 
+    @Query("UPDATE NOTE SET noteMode = :noteMode WHERE id = :id")
+    void updateNoteMode(long id, @Nullable String noteMode);
+
     @Query("UPDATE NOTE SET status = :status WHERE id = :id")
     void updateStatus(long id, DBStatus status);
 

app/src/main/java/it/niedermann/owncloud/notes/persistence/entity/Note.java

@@ -103,6 +103,10 @@ public class Note implements Serializable, Item {
     @ColumnInfo(defaultValue = "0")
     private int scrollY = 0;
 
+    @Nullable
+    @ColumnInfo(defaultValue = "NULL")
+    private String noteMode;
+
     public Note() {
         super();
     }
@@ -272,6 +276,15 @@ public void setScrollY(int scrollY) {
         this.scrollY = scrollY;
     }
 
+    @Nullable
+    public String getNoteMode() {
+        return noteMode;
+    }
+
+    public void setNoteMode(@Nullable String noteMode) {
+        this.noteMode = noteMode;
+    }
+
     @Override
     public boolean equals(Object o) {
         if (this == o) return true;

app/src/main/res/values/arrays.xml

@@ -13,7 +13,6 @@
         <item>@string/pref_value_mode_edit</item>
         <item>@string/pref_value_mode_preview</item>
         <item>@string/pref_value_mode_direct_edit</item>
-        <item>@string/pref_value_mode_last</item>
     </string-array>
 
     <string-array name="fontSize_values">
@@ -32,7 +31,6 @@
         <item>@string/noteMode_plain_edit</item>
         <item>@string/noteMode_plain_preview</item>
         <item>@string/noteMode_rich_edit</item>
-        <item>@string/noteMode_remember_last</item>
     </string-array>
 
     <string-array name="fontSize_entries" translatable="false">

app/src/main/res/values/strings.xml

@@ -260,15 +260,13 @@
     <string name="pref_key_lock" translatable="false">lock</string>
     <string name="pref_key_prevent_screen_capture" translatable="false">preventScreenCapture</string>
     <string name="pref_category_security" translatable="false">security</string>
-    <string name="pref_key_last_note_mode" translatable="false">lastNoteMode</string>
     <string name="pref_key_background_sync" translatable="false">backgroundSync</string>
     <string name="pref_key_enable_direct_edit" translatable="false">directEditPreference</string>
     <string name="pref_key_show_ecosystem_apps" translatable="false">show_ecosystem_apps</string>
     <string name="pref_key_swipe_actions" translatable="false">swipe_actions</string>
     <string name="pref_value_mode_edit" translatable="false">edit</string>
     <string name="pref_value_mode_direct_edit" translatable="false">directEdit</string>
     <string name="pref_value_mode_preview" translatable="false">preview</string>
-    <string name="pref_value_mode_last" translatable="false">last</string>
     <string name="pref_value_font_size_small" translatable="false">small</string>
     <string name="pref_value_font_size_medium" translatable="false">medium</string>
     <string name="pref_value_font_size_large" translatable="false">large</string>

app/src/main/res/xml/preferences.xml

@@ -51,7 +51,7 @@
             android:summary="@string/settings_show_ecosystem_apps_summary"/>
 
         <ListPreference
-            android:defaultValue="@string/pref_value_mode_last"
+            android:defaultValue="@string/pref_value_mode_edit"
             android:entries="@array/noteMode_entries_new"
             android:entryValues="@array/noteMode_values"
             android:icon="@drawable/ic_remove_red_eye_grey_24dp"