Observable Preferences O (Language and FileHistory)

src/main/java/org/jabref/gui/JabRefFrame.java

@@ -192,7 +192,7 @@ public JabRefFrame(Stage mainStage) {
         this.undoManager = Globals.undoManager;
         this.globalSearchBar = new GlobalSearchBar(this, stateManager, prefs, undoManager);
         this.pushToApplicationCommand = new PushToApplicationCommand(stateManager, dialogService, prefs);
-        this.fileHistory = new FileHistoryMenu(prefs, dialogService, getOpenDatabaseAction());
+        this.fileHistory = new FileHistoryMenu(prefs.getGuiPreferences().getFileHistory(), dialogService, getOpenDatabaseAction());
         this.taskExecutor = Globals.TASK_EXECUTOR;
         this.importFormatReader = Globals.IMPORT_FORMAT_READER;
         this.setOnKeyTyped(key -> {
@@ -402,7 +402,7 @@ private void tearDownJabRef(List<String> filenames) {
             // Here we store the names of all current files. If there is no current file, we remove any
             // previously stored filename.
             if (filenames.isEmpty()) {
-                prefs.clearEditedFiles();
+                prefs.getGuiPreferences().getLastFilesOpened().clear();
             } else {
                 Path focusedDatabase = getCurrentLibraryTab().getBibDatabaseContext()
                                                              .getDatabasePath()

src/main/java/org/jabref/gui/JabRefGUI.java

@@ -135,7 +135,7 @@ private void openDatabases() {
         // Remove invalid databases
         List<ParserResult> invalidDatabases = bibDatabases.stream()
                                                           .filter(ParserResult::isInvalid)
-                                                          .collect(Collectors.toList());
+                                                          .toList();
         failed.addAll(invalidDatabases);
         bibDatabases.removeAll(invalidDatabases);
 

src/main/java/org/jabref/gui/collab/metedatachange/MetadataChangeDetailsView.java

@@ -4,6 +4,7 @@
 import javafx.scene.layout.VBox;
 
 import org.jabref.gui.collab.ExternalChangeDetailsView;
+import org.jabref.logic.bibtex.comparator.MetaDataDiff;
 import org.jabref.logic.l10n.Localization;
 import org.jabref.preferences.PreferencesService;
 
@@ -16,8 +17,8 @@ public MetadataChangeDetailsView(MetadataChange metadataChange, PreferencesServi
         header.getStyleClass().add("sectionHeader");
         container.getChildren().add(header);
 
-        for (String change : metadataChange.getMetaDataDiff().getDifferences(preferencesService)) {
-            container.getChildren().add(new Label(change));
+        for (MetaDataDiff.Difference change : metadataChange.getMetaDataDiff().getDifferences(preferencesService)) {
+            container.getChildren().add(new Label(getDifferenceString(change)));
         }
 
         setLeftAnchor(container, 8d);
@@ -27,4 +28,33 @@ public MetadataChangeDetailsView(MetadataChange metadataChange, PreferencesServi
 
         getChildren().setAll(container);
     }
+
+    private String getDifferenceString(MetaDataDiff.Difference change) {
+        return switch (change) {
+            case PROTECTED ->
+                    Localization.lang("Library protection");
+            case GROUPS_ALTERED ->
+                    Localization.lang("Modified groups tree");
+            case ENCODING ->
+                    Localization.lang("Library encoding");
+            case SAVE_SORT_ORDER ->
+                    Localization.lang("Save sort order");
+            case KEY_PATTERNS ->
+                    Localization.lang("Key patterns");
+            case USER_FILE_DIRECTORY ->
+                    Localization.lang("User-specific file directory");
+            case LATEX_FILE_DIRECTORY ->
+                    Localization.lang("LaTeX file directory");
+            case DEFAULT_KEY_PATTERN ->
+                    Localization.lang("Default pattern");
+            case SAVE_ACTIONS ->
+                    Localization.lang("Save actions");
+            case MODE ->
+                    Localization.lang("Library mode");
+            case GENERAL_FILE_DIRECTORY ->
+                    Localization.lang("General file directory");
+            case CONTENT_SELECTOR ->
+                    Localization.lang("Content selectors");
+        };
+    }
 }

src/main/java/org/jabref/gui/entryeditor/RelatedArticlesTab.java

@@ -65,7 +65,7 @@ private StackPane getRelatedArticlesPane(BibEntry entry) {
         ProgressIndicator progress = new ProgressIndicator();
         progress.setMaxSize(100, 100);
 
-        MrDLibFetcher fetcher = new MrDLibFetcher(preferencesService.getLanguage().name(),
+        MrDLibFetcher fetcher = new MrDLibFetcher(preferencesService.getGeneralPreferences().getLanguage().name(),
                 Globals.BUILD_INFO.version, preferencesService.getMrDlibPreferences());
         BackgroundTask
                 .wrap(() -> fetcher.performSearch(entry))

src/main/java/org/jabref/gui/menus/FileHistoryMenu.java

@@ -11,22 +11,19 @@
 import org.jabref.gui.importer.actions.OpenDatabaseAction;
 import org.jabref.logic.l10n.Localization;
 import org.jabref.logic.util.io.FileHistory;
-import org.jabref.preferences.PreferencesService;
 
 public class FileHistoryMenu extends Menu {
 
     private final FileHistory history;
-    private final PreferencesService preferences;
     private final DialogService dialogService;
     private final OpenDatabaseAction openDatabaseAction;
 
-    public FileHistoryMenu(PreferencesService preferences, DialogService dialogService, OpenDatabaseAction openDatabaseAction) {
+    public FileHistoryMenu(FileHistory fileHistory, DialogService dialogService, OpenDatabaseAction openDatabaseAction) {
         setText(Localization.lang("Recent libraries"));
 
-        this.preferences = preferences;
+        this.history = fileHistory;
         this.dialogService = dialogService;
         this.openDatabaseAction = openDatabaseAction;
-        history = preferences.getGuiPreferences().getFileHistory();
         if (history.isEmpty()) {
             setDisable(true);
         } else {
@@ -46,10 +43,10 @@ public boolean openFileByKey(KeyEvent keyEvent) {
         }
         char key = keyEvent.getCharacter().charAt(0);
         int num = Character.getNumericValue(key);
-        if (num <= 0 || num > history.getHistory().size()) {
+        if (num <= 0 || num > history.size()) {
             return false;
         }
-        this.openFile(history.getFileAt(Integer.parseInt(keyEvent.getCharacter()) - 1));
+        this.openFile(history.get(Integer.parseInt(keyEvent.getCharacter()) - 1));
         return true;
     }
 
@@ -66,7 +63,7 @@ public void newFile(Path file) {
     private void setItems() {
         getItems().clear();
         for (int index = 0; index < history.size(); index++) {
-            addItem(history.getFileAt(index), index + 1);
+            addItem(history.get(index), index + 1);
         }
     }
 

src/main/java/org/jabref/gui/preferences/general/GeneralTabViewModel.java

@@ -68,7 +68,7 @@ public GeneralTabViewModel(DialogService dialogService, PreferencesService prefe
 
     public void setValues() {
         languagesListProperty.setValue(new SortedList<>(FXCollections.observableArrayList(Language.values()), Comparator.comparing(Language::getDisplayName)));
-        selectedLanguageProperty.setValue(preferencesService.getLanguage());
+        selectedLanguageProperty.setValue(preferencesService.getGeneralPreferences().getLanguage());
 
         encodingsListProperty.setValue(FXCollections.observableArrayList(Encodings.getCharsets()));
 
@@ -91,8 +91,8 @@ public void setValues() {
 
     public void storeSettings() {
         Language newLanguage = selectedLanguageProperty.getValue();
-        if (newLanguage != preferencesService.getLanguage()) {
-            preferencesService.setLanguage(newLanguage);
+        if (newLanguage != preferencesService.getGeneralPreferences().getLanguage()) {
+            preferencesService.getGeneralPreferences().setLanguage(newLanguage);
             Localization.setLanguage(newLanguage);
             restartWarning.add(Localization.lang("Changed language") + ": " + newLanguage.getDisplayName());
         }

src/main/java/org/jabref/logic/bibtex/comparator/MetaDataDiff.java

@@ -5,11 +5,24 @@
 import java.util.Objects;
 import java.util.Optional;
 
-import org.jabref.logic.l10n.Localization;
 import org.jabref.model.metadata.MetaData;
 import org.jabref.preferences.PreferencesService;
 
 public class MetaDataDiff {
+    public enum Difference {
+        PROTECTED,
+        GROUPS_ALTERED,
+        ENCODING,
+        SAVE_SORT_ORDER,
+        KEY_PATTERNS,
+        USER_FILE_DIRECTORY,
+        LATEX_FILE_DIRECTORY,
+        DEFAULT_KEY_PATTERN,
+        SAVE_ACTIONS,
+        MODE,
+        GENERAL_FILE_DIRECTORY,
+        CONTENT_SELECTOR
+    }
 
     private final Optional<GroupDiff> groupDiff;
     private final MetaData originalMetaData;
@@ -32,44 +45,44 @@ public static Optional<MetaDataDiff> compare(MetaData originalMetaData, MetaData
     /**
      * @implNote Should be kept in sync with {@link MetaData#equals(Object)}
      */
-    public List<String> getDifferences(PreferencesService preferences) {
-        List<String> changes = new ArrayList<>();
+    public List<Difference> getDifferences(PreferencesService preferences) {
+        List<Difference> changes = new ArrayList<>();
 
         if (originalMetaData.isProtected() != newMetaData.isProtected()) {
-            changes.add(Localization.lang("Library protection"));
+            changes.add(Difference.PROTECTED);
         }
         if (!Objects.equals(originalMetaData.getGroups(), newMetaData.getGroups())) {
-            changes.add(Localization.lang("Modified groups tree"));
+            changes.add(Difference.GROUPS_ALTERED);
         }
         if (!Objects.equals(originalMetaData.getEncoding(), newMetaData.getEncoding())) {
-            changes.add(Localization.lang("Library encoding"));
+            changes.add(Difference.ENCODING);
         }
         if (!Objects.equals(originalMetaData.getSaveOrderConfig(), newMetaData.getSaveOrderConfig())) {
-            changes.add(Localization.lang("Save sort order"));
+            changes.add(Difference.SAVE_SORT_ORDER);
         }
         if (!Objects.equals(originalMetaData.getCiteKeyPattern(preferences.getGlobalCitationKeyPattern()), newMetaData.getCiteKeyPattern(preferences.getGlobalCitationKeyPattern()))) {
-            changes.add(Localization.lang("Key patterns"));
+            changes.add(Difference.KEY_PATTERNS);
         }
         if (!Objects.equals(originalMetaData.getUserFileDirectories(), newMetaData.getUserFileDirectories())) {
-            changes.add(Localization.lang("User-specific file directory"));
+            changes.add(Difference.USER_FILE_DIRECTORY);
         }
         if (!Objects.equals(originalMetaData.getLatexFileDirectories(), newMetaData.getLatexFileDirectories())) {
-            changes.add(Localization.lang("LaTeX file directory"));
+            changes.add(Difference.LATEX_FILE_DIRECTORY);
         }
         if (!Objects.equals(originalMetaData.getDefaultCiteKeyPattern(), newMetaData.getDefaultCiteKeyPattern())) {
-            changes.add(Localization.lang("Default pattern"));
+            changes.add(Difference.DEFAULT_KEY_PATTERN);
         }
         if (!Objects.equals(originalMetaData.getSaveActions(), newMetaData.getSaveActions())) {
-            changes.add(Localization.lang("Save actions"));
+            changes.add(Difference.SAVE_ACTIONS);
         }
         if (originalMetaData.getMode() != newMetaData.getMode()) {
-            changes.add(Localization.lang("Library mode"));
+            changes.add(Difference.MODE);
         }
         if (!Objects.equals(originalMetaData.getDefaultFileDirectory(), newMetaData.getDefaultFileDirectory())) {
-            changes.add(Localization.lang("General file directory"));
+            changes.add(Difference.GENERAL_FILE_DIRECTORY);
         }
         if (!Objects.equals(originalMetaData.getContentSelectors(), newMetaData.getContentSelectors())) {
-            changes.add(Localization.lang("Content selectors"));
+            changes.add(Difference.CONTENT_SELECTOR);
         }
         return changes;
     }

src/main/java/org/jabref/logic/util/io/FileHistory.java

@@ -1,50 +1,61 @@
 package org.jabref.logic.util.io;
 
 import java.nio.file.Path;
+import java.util.ArrayList;
 import java.util.List;
-import java.util.Objects;
 
-import javafx.collections.FXCollections;
-import javafx.collections.ObservableList;
+import javafx.collections.ModifiableObservableListBase;
 
-public class FileHistory {
+public class FileHistory extends ModifiableObservableListBase<Path> {
 
     private static final int HISTORY_SIZE = 8;
 
-    private final ObservableList<Path> history;
+    private final List<Path> history;
 
-    public FileHistory(List<Path> files) {
-        history = FXCollections.observableList(Objects.requireNonNull(files));
+    private FileHistory(List<Path> list) {
+        history = new ArrayList<>(list);
+    }
+
+    @Override
+    public Path get(int index) {
+        return history.get(index);
     }
 
     public int size() {
         return history.size();
     }
 
-    public boolean isEmpty() {
-        return history.isEmpty();
+    @Override
+    protected void doAdd(int index, Path element) {
+        history.add(index, element);
+    }
+
+    @Override
+    protected Path doSet(int index, Path element) {
+        return history.set(index, element);
+    }
+
+    @Override
+    protected Path doRemove(int index) {
+        return history.remove(index);
     }
 
     /**
      * Adds the file to the top of the list. If it already is in the list, it is merely moved to the top.
      */
     public void newFile(Path file) {
         removeItem(file);
-        history.add(0, file);
+        this.add(0, file);
         while (size() > HISTORY_SIZE) {
             history.remove(HISTORY_SIZE);
         }
     }
 
-    public Path getFileAt(int index) {
-        return history.get(index);
-    }
-
     public void removeItem(Path file) {
-        history.remove(file);
+        this.remove(file);
     }
 
-    public ObservableList<Path> getHistory() {
-        return history;
+    public static FileHistory of(List<Path> list) {
+        return new FileHistory(new ArrayList<>(list));
     }
 }

src/main/java/org/jabref/preferences/GeneralPreferences.java

@@ -5,21 +5,25 @@
 import javafx.beans.property.SimpleBooleanProperty;
 import javafx.beans.property.SimpleObjectProperty;
 
+import org.jabref.logic.l10n.Language;
 import org.jabref.model.database.BibDatabaseMode;
 
 public class GeneralPreferences {
+    private final ObjectProperty<Language> language;
     private final ObjectProperty<BibDatabaseMode> defaultBibDatabaseMode;
     private final BooleanProperty warnAboutDuplicatesInInspection;
     private final BooleanProperty confirmDelete;
 
     private final BooleanProperty memoryStickMode;
     private final BooleanProperty showAdvancedHints;
 
-    public GeneralPreferences(BibDatabaseMode defaultBibDatabaseMode,
+    public GeneralPreferences(Language language,
+                              BibDatabaseMode defaultBibDatabaseMode,
                               boolean warnAboutDuplicatesInInspection,
                               boolean confirmDelete,
                               boolean memoryStickMode,
                               boolean showAdvancedHints) {
+        this.language = new SimpleObjectProperty<>(language);
         this.defaultBibDatabaseMode = new SimpleObjectProperty<>(defaultBibDatabaseMode);
         this.warnAboutDuplicatesInInspection = new SimpleBooleanProperty(warnAboutDuplicatesInInspection);
         this.confirmDelete = new SimpleBooleanProperty(confirmDelete);
@@ -28,6 +32,18 @@ public GeneralPreferences(BibDatabaseMode defaultBibDatabaseMode,
         this.showAdvancedHints = new SimpleBooleanProperty(showAdvancedHints);
     }
 
+    public Language getLanguage() {
+        return language.get();
+    }
+
+    public ObjectProperty<Language> languageProperty() {
+        return language;
+    }
+
+    public void setLanguage(Language language) {
+        this.language.set(language);
+    }
+
     public BibDatabaseMode getDefaultBibDatabaseMode() {
         return defaultBibDatabaseMode.get();
     }

src/main/java/org/jabref/preferences/GuiPreferences.java

@@ -25,14 +25,14 @@ public class GuiPreferences {
 
     private final BooleanProperty windowMaximised;
 
+    // the last libraries that were open when jabref closes and should be reopened on startup
     private final ObservableList<String> lastFilesOpened;
     private final ObjectProperty<Path> lastFocusedFile;
+    // observable list last files opened in the file menu
     private final FileHistory fileHistory;
 
     private final StringProperty lastSelectedIdBasedFetcher;
-
     private final ObjectProperty<DiffMode> mergeDiffMode;
-
     private final DoubleProperty sidePaneWidth;
 
     public GuiPreferences(double positionX,