Add copy linked files action to contextmneu in general tab

src/main/java/org/jabref/gui/copyfiles/CopyFilesAction.java

@@ -32,12 +32,12 @@ public CopyFilesAction(StateManager stateManager, DialogService dialogService) {
         this.executable.bind(needsDatabase(this.stateManager).and(needsEntriesSelected(stateManager)));
     }
 
-    private void showDialog(List<CopyFilesResultItemViewModel> data, BibDatabaseContext database) {
+    private void showDialog(List<CopyFilesResultItemViewModel> data) {
         if (data.isEmpty()) {
             dialogService.showInformationDialogAndWait(Localization.lang("Copy linked files to folder..."), Localization.lang("No linked files found for export."));
             return;
         }
-        CopyFilesDialogView dialog = new CopyFilesDialogView(database, new CopyFilesResultListDependency(data));
+        CopyFilesDialogView dialog = new CopyFilesDialogView(new CopyFilesResultListDependency(data));
         dialog.showAndWait();
     }
 
@@ -57,7 +57,7 @@ public void execute() {
                     Localization.lang("Copy linked files to folder..."),
                     exportTask);
             Globals.TASK_EXECUTOR.execute(exportTask);
-            exportTask.setOnSucceeded((e) -> showDialog(exportTask.getValue(), database));
+            exportTask.setOnSucceeded((e) -> showDialog(exportTask.getValue()));
         });
     }
 }

src/main/java/org/jabref/gui/copyfiles/CopyFilesDialogView.java

@@ -10,7 +10,6 @@
 import org.jabref.gui.util.BaseDialog;
 import org.jabref.gui.util.ValueTableCellFactory;
 import org.jabref.logic.l10n.Localization;
-import org.jabref.model.database.BibDatabaseContext;
 
 import com.airhacks.afterburner.views.ViewLoader;
 import de.jensd.fx.glyphs.materialdesignicons.MaterialDesignIcon;
@@ -24,7 +23,7 @@ public class CopyFilesDialogView extends BaseDialog<Void> {
     @FXML private TableColumn<CopyFilesResultItemViewModel, String> colFile;
     private final CopyFilesDialogViewModel viewModel;
 
-    public CopyFilesDialogView(BibDatabaseContext bibDatabaseContext, CopyFilesResultListDependency results) {
+    public CopyFilesDialogView(CopyFilesResultListDependency results) {
         this.setTitle(Localization.lang("Result"));
 
         this.getDialogPane().getButtonTypes().addAll(ButtonType.OK);

src/main/java/org/jabref/gui/copyfiles/CopySingleFileAction.java

@@ -0,0 +1,61 @@
+package org.jabref.gui.copyfiles;
+
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Optional;
+import java.util.function.BiFunction;
+
+import org.jabref.Globals;
+import org.jabref.gui.DialogService;
+import org.jabref.gui.util.DirectoryDialogConfiguration;
+import org.jabref.logic.l10n.Localization;
+import org.jabref.logic.util.io.FileUtil;
+import org.jabref.model.database.BibDatabaseContext;
+import org.jabref.model.entry.LinkedFile;
+import org.jabref.model.util.OptionalUtil;
+import org.jabref.preferences.JabRefPreferences;
+
+public class CopySingleFileAction {
+
+    private LinkedFile linkedFile;
+    private DialogService dialogService;
+    private BibDatabaseContext databaseContext;
+    private final BiFunction<Path, Path, Path> resolvePathFilename = (path, file) -> {
+        return path.resolve(file.getFileName());
+    };
+
+    public CopySingleFileAction(LinkedFile linkedFile, DialogService dialogService, BibDatabaseContext databaseContext) {
+        this.linkedFile = linkedFile;
+        this.dialogService = dialogService;
+        this.databaseContext = databaseContext;
+    }
+
+    public void copyFile() {
+        DirectoryDialogConfiguration dirDialogConfiguration = new DirectoryDialogConfiguration.Builder()
+                                                                                                        .withInitialDirectory(Paths.get(Globals.prefs.get(JabRefPreferences.EXPORT_WORKING_DIRECTORY)))
+                                                                                                        .build();
+        Optional<Path> exportPath = dialogService.showDirectorySelectionDialog(dirDialogConfiguration);
+        exportPath.ifPresent(this::copyFileToDestination);
+
+    }
+
+    private void copyFileToDestination(Path exportPath) {
+        Optional<Path> fileToExport = linkedFile.findIn(databaseContext, Globals.prefs.getFilePreferences());
+        Optional<Path> newPath = OptionalUtil.combine(Optional.of(exportPath), fileToExport, resolvePathFilename);
+
+        if (newPath.isPresent()) {
+            Path newFile = newPath.get();
+            boolean success = FileUtil.copyFile(fileToExport.get(), newFile, false);
+            if (success) {
+                dialogService.showInformationDialogAndWait(Localization.lang("Copy linked file"), Localization.lang("Sucessfully copied file to %0", newPath.map(Path::getParent).map(Path::toString).orElse("")));
+            }
+            else {
+                dialogService.showErrorDialogAndWait(Localization.lang("Copy linked file"), Localization.lang("Could not copy file to %0, maybe the file is already existing?", newPath.map(Path::getParent).map(Path::toString).orElse("")));
+            }
+        }
+        else {
+            dialogService.showErrorDialogAndWait(Localization.lang("Could not resolve the file %0", fileToExport.map(Path::getParent).map(Path::toString).orElse("")));
+        }
+
+    }
+}

src/main/java/org/jabref/gui/externalfiles/FindFullTextAction.java

@@ -137,7 +137,9 @@ private void addLinkedFileFromURL(URL url, BibEntry entry, Path targetDirectory)
                     basePanel.getBibDatabaseContext(),
                     Globals.TASK_EXECUTOR,
                     dialogService,
-                    JabRefPreferences.getInstance(), ExternalFileTypes.getInstance());
+                    JabRefPreferences.getInstance().getXMPPreferences(),
+                    JabRefPreferences.getInstance().getFilePreferences(), 
+                    ExternalFileTypes.getInstance());
 
             try {
                 URLDownload urlDownload = new URLDownload(newLinkedFile.getLink());

src/main/java/org/jabref/gui/fieldeditors/LinkedFileViewModel.java

@@ -45,7 +45,6 @@
 import org.jabref.model.metadata.FilePreferences;
 import org.jabref.model.strings.StringUtil;
 import org.jabref.model.util.OptionalUtil;
-import org.jabref.preferences.JabRefPreferences;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -73,19 +72,20 @@ public LinkedFileViewModel(LinkedFile linkedFile,
                                BibDatabaseContext databaseContext,
                                TaskExecutor taskExecutor,
                                DialogService dialogService,
-                               JabRefPreferences preferences,
+                               XmpPreferences xmpPreferences,
+                               FilePreferences filePreferences,
                                ExternalFileTypes externalFileTypes) {
 
         this.linkedFile = linkedFile;
-        this.filePreferences = preferences.getFilePreferences();
+        this.filePreferences = filePreferences;
         this.linkedFileHandler = new LinkedFileHandler(linkedFile, entry, databaseContext, filePreferences);
         this.databaseContext = databaseContext;
         this.entry = entry;
         this.dialogService = dialogService;
         this.taskExecutor = taskExecutor;
         this.externalFileTypes = externalFileTypes;
-
-        xmpPreferences = preferences.getXMPPreferences();
+        this.xmpPreferences = xmpPreferences;
+
         downloadOngoing.bind(downloadProgress.greaterThanOrEqualTo(0).and(downloadProgress.lessThan(1)));
         canWriteXMPMetadata.setValue(!linkedFile.isOnlineLink() && linkedFile.getFileType().equalsIgnoreCase("pdf"));
     }

src/main/java/org/jabref/gui/fieldeditors/LinkedFilesEditor.java

@@ -29,6 +29,7 @@
 import org.jabref.gui.DialogService;
 import org.jabref.gui.DragAndDropDataFormats;
 import org.jabref.gui.autocompleter.AutoCompleteSuggestionProvider;
+import org.jabref.gui.copyfiles.CopySingleFileAction;
 import org.jabref.gui.keyboard.KeyBinding;
 import org.jabref.gui.util.TaskExecutor;
 import org.jabref.gui.util.ViewModelListCellFactory;
@@ -48,23 +49,28 @@ public class LinkedFilesEditor extends HBox implements FieldEditorFX {
     @FXML private final LinkedFilesEditorViewModel viewModel;
     @FXML private ListView<LinkedFileViewModel> listView;
 
+    private final DialogService dialogService;
+    private final BibDatabaseContext databaseContext;
+
     public LinkedFilesEditor(String fieldName, DialogService dialogService, BibDatabaseContext databaseContext, TaskExecutor taskExecutor, AutoCompleteSuggestionProvider<?> suggestionProvider,
                              FieldCheckers fieldCheckers,
                              JabRefPreferences preferences) {
-        this.viewModel = new LinkedFilesEditorViewModel(fieldName, suggestionProvider, dialogService, databaseContext, taskExecutor, fieldCheckers, preferences);
 
+        this.viewModel = new LinkedFilesEditorViewModel(fieldName, suggestionProvider, dialogService, databaseContext, taskExecutor, fieldCheckers, preferences);
+        this.dialogService = dialogService;
+        this.databaseContext = databaseContext;
         ViewLoader.view(this)
                   .root(this)
                   .load();
 
         ViewModelListCellFactory<LinkedFileViewModel> cellFactory = new ViewModelListCellFactory<LinkedFileViewModel>()
-                .withTooltip(LinkedFileViewModel::getDescription)
-                .withGraphic(LinkedFilesEditor::createFileDisplay)
-                .withContextMenu(this::createContextMenuForFile)
-                .withOnMouseClickedEvent(this::handleItemMouseClick)
-                .setOnDragDetected(this::handleOnDragDetected)
-                .setOnDragDropped(this::handleOnDragDropped)
-                .setOnDragOver(this::handleOnDragOver);
+                   .withTooltip(LinkedFileViewModel::getDescription)
+                   .withGraphic(LinkedFilesEditor::createFileDisplay)
+                   .withContextMenu(this::createContextMenuForFile)
+                   .withOnMouseClickedEvent(this::handleItemMouseClick)
+                   .setOnDragDetected(this::handleOnDragDetected)
+                   .setOnDragDropped(this::handleOnDragDropped)
+                   .setOnDragOver(this::handleOnDragOver);
 
         listView.setCellFactory(cellFactory);
 
@@ -234,6 +240,10 @@ private ContextMenu createContextMenuForFile(LinkedFileViewModel linkedFile) {
         renameAndMoveFile.setOnAction(event -> linkedFile.moveToDefaultDirectoryAndRename());
         renameAndMoveFile.setDisable(linkedFile.getFile().isOnlineLink() || linkedFile.isGeneratedPathSameAsOriginal());
 
+        MenuItem copyLinkedFile = new MenuItem(Localization.lang("Copy linked file to folder..."));
+        copyLinkedFile.setOnAction(event -> new CopySingleFileAction(linkedFile.getFile(), dialogService, databaseContext).copyFile());
+        copyLinkedFile.setDisable(linkedFile.getFile().isOnlineLink());
+
         MenuItem deleteFile = new MenuItem(Localization.lang("Permanently delete local file"));
         deleteFile.setOnAction(event -> viewModel.deleteFile(linkedFile));
         deleteFile.setDisable(linkedFile.getFile().isOnlineLink());
@@ -248,7 +258,7 @@ private ContextMenu createContextMenuForFile(LinkedFileViewModel linkedFile) {
         if (linkedFile.getFile().isOnlineLink()) {
             menu.getItems().add(download);
         }
-        menu.getItems().addAll(renameFile, renameFileName, moveFile, renameAndMoveFile, deleteLink, deleteFile);
+        menu.getItems().addAll(renameFile, renameFileName, moveFile, renameAndMoveFile, copyLinkedFile, deleteLink, deleteFile);
 
         return menu;
     }