Fix for issue #7719: The "Aux file" on "Edit group" doesn't support relative sub-directories path

CHANGELOG.md

@@ -96,6 +96,7 @@ Note that this project **does not** adhere to [Semantic Versioning](http://semve
 - We fixed an issue where the article title with colon fails to download the arXiv link (pdf file). [#7660](https://github.com/JabRef/issues/7660)
 - We fixed an issue where the keybinding for delete entry did not work on the main table [7580](https://github.com/JabRef/jabref/pull/7580)
 - We fixed an issue where the RFC fetcher is not compatible with the draft [7305](https://github.com/JabRef/jabref/issues/7305)
+- We fixed an issue where the `Aux file` on `Edit group` doesn't support relative sub-directories path to import. [#7719](https://github.com/JabRef/jabref/issues/7719).
 - We fixed an issue where duplicate files (both file names and contents are the same) is downloaded and add to linked files [#6197](https://github.com/JabRef/jabref/issues/6197)
 - We fixed an issue where changing the appearance of the preview tab did not trigger a restart warning. [#5464](https://github.com/JabRef/jabref/issues/5464)
 

src/main/java/org/jabref/gui/groups/GroupDialogViewModel.java

@@ -227,8 +227,8 @@ private void setupValidation() {
                     if (StringUtil.isBlank(input)) {
                         return false;
                     } else {
-                        Path texFilePath = preferencesService.getWorkingDir().resolve(input);
-                        if (!Files.isRegularFile(texFilePath)) {
+                        Path inputPath = getAbsoluteTexGroupPath(input);
+                        if (!inputPath.isAbsolute() || !Files.isRegularFile(inputPath)) {
                             return false;
                         }
                         return FileUtil.getFileExtension(input)
@@ -263,6 +263,16 @@ private void setupValidation() {
         });
     }
 
+    /**
+     * Gets the absolute path relative to the LatexFileDirectory, if given a relative path
+     * @param input the user input path
+     * @return an absolute path if LatexFileDirectory exists; otherwise, returns input
+     */
+    private Path getAbsoluteTexGroupPath(String input) {
+        Optional<Path> latexFileDirectory = currentDatabase.getMetaData().getLatexFileDirectory(preferencesService.getUser());
+        return latexFileDirectory.map(path -> path.resolve(input)).orElse(Path.of(input));
+    }
+
     public void validationHandler(Event event) {
         ValidationStatus validationStatus = validator.getValidationStatus();
         if (validationStatus.getHighestMessage().isPresent()) {