Add option for direct attached file renaming

CHANGELOG.md

@@ -63,6 +63,7 @@ We refer to [GitHub issues](https://github.com/JabRef/jabref/issues) by using `#
 - We made modifications to improve contrast of UI elements. [#4583](https://github.com/JabRef/jabref/issues/4583)
 - We added an option in the settings to set the default action in JabRef when right clicking on any entry in any database and selecting "Open folder". [#4763](https://github.com/JabRef/jabref/issues/4763)
 - The Medline fetcher now normalizes the author names according to the BibTeX-Standard [#4345](https://github.com/JabRef/jabref/issues/4345)
+- We added an option on the Linked File Viewer to rename the attached file of an entry directly on the JabRef. [#4844](https://github.com/JabRef/jabref/issues/4844)
 
 
 ### Fixed

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

@@ -37,6 +37,7 @@
 import org.jabref.logic.externalfiles.LinkedFileHandler;
 import org.jabref.logic.l10n.Localization;
 import org.jabref.logic.net.URLDownload;
+import org.jabref.logic.util.io.FileUtil;
 import org.jabref.logic.xmp.XmpPreferences;
 import org.jabref.logic.xmp.XmpUtilWriter;
 import org.jabref.model.database.BibDatabaseContext;
@@ -344,7 +345,6 @@ public boolean delete() {
     }
 
     public void edit() {
-
         LinkedFileEditDialogView dialog = new LinkedFileEditDialogView(this.linkedFile);
 
         Optional<LinkedFile> editedFile = dialog.showAndWait();
@@ -355,6 +355,16 @@ public void edit() {
         });
     }
 
+    public void renameFile() {
+        String oldFile = this.linkedFile.getLink();
+        Optional<String> editedFile = dialogService.showInputDialogAndWait(Localization.lang("Rename file"), Localization.lang("New Filename"));
+        editedFile.ifPresent(file -> {
+            Path newFile = Paths.get(oldFile).resolveSibling(file);
+            this.linkedFile.setLink(newFile.toString());
+            FileUtil.renameFile(Paths.get(oldFile), newFile);
+        });
+    }
+
     public void writeXMPMetadata() {
         // Localization.lang("Writing XMP-metadata...")
         BackgroundTask<Void> writeTask = BackgroundTask.wrap(() -> {

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

@@ -222,6 +222,9 @@ private ContextMenu createContextMenuForFile(LinkedFileViewModel linkedFile) {
         renameFile.setOnAction(event -> linkedFile.rename());
         renameFile.setDisable(linkedFile.getFile().isOnlineLink() || linkedFile.isGeneratedNameSameAsOriginal());
 
+        MenuItem renameFileName = new MenuItem(Localization.lang("Rename file to a given name"));
+        renameFileName.setOnAction(event -> linkedFile.renameFile());
+
         MenuItem moveFile = new MenuItem(Localization.lang("Move file to file directory"));
         moveFile.setOnAction(event -> linkedFile.moveToDefaultDirectory());
         moveFile.setDisable(linkedFile.getFile().isOnlineLink() || linkedFile.isGeneratedPathSameAsOriginal());
@@ -244,7 +247,7 @@ private ContextMenu createContextMenuForFile(LinkedFileViewModel linkedFile) {
         if (linkedFile.getFile().isOnlineLink()) {
             menu.getItems().add(download);
         }
-        menu.getItems().addAll(renameFile, moveFile, renameAndMoveFile, deleteLink, deleteFile);
+        menu.getItems().addAll(renameFile, renameFileName, moveFile, renameAndMoveFile, deleteLink, deleteFile);
 
         return menu;
     }

src/main/resources/l10n/JabRef_en.properties

@@ -2088,3 +2088,5 @@ A\ string\ with\ the\ label\ '%0'\ already\ exists.=A string with the label '%0'
 
 Executing\ command\ "%0"...=Executing command "%0"...
 
+Rename\ file\ to\ a\ given\ name=Rename file to a given name
+New\ Filename=New Filename