Show compound patterns in the dropdown for citation key patterns

src/main/java/org/jabref/gui/commonfxcontrols/CitationKeyPatternSuggestionCell.java

@@ -121,13 +121,50 @@ private void populatePopup(List<String> searchResult) {
 
             suggestionsList.getItems().clear();
             suggestionsList.getItems().add(createPatternsSubMenu());
+            suggestionsList.getItems().add(createCompoundPatternsSubMenu());
             suggestionsList.getItems().addAll(menuItems);
 
             if (!menuItems.isEmpty()) {
                 menuItems.getFirst().getContent().requestFocus();
             }
         }
 
+        private Menu createCompoundPatternsSubMenu() {
+            Menu compoundPatternsSubMenu = new Menu(Localization.lang("All patterns"));
+
+            Map<CitationKeyPattern.Category, List<CitationKeyPattern>> categorizedPatterns =
+                    CitationKeyPattern.getAllPatterns().stream()
+                                      .collect(Collectors.groupingBy(CitationKeyPattern::getCategory));
+
+            Map<CitationKeyPattern.Category, String> categoryNames = Map.of(
+                    CitationKeyPattern.Category.AUTHOR_RELATED, Localization.lang("Author related"),
+                    CitationKeyPattern.Category.EDITOR_RELATED, Localization.lang("Editor related"),
+                    CitationKeyPattern.Category.TITLE_RELATED, Localization.lang("Title related"),
+                    CitationKeyPattern.Category.OTHER_FIELDS, Localization.lang("Other fields"),
+                    CitationKeyPattern.Category.BIBENTRY_FIELDS, Localization.lang("BibEntry fields")
+            );
+
+            for (Map.Entry<CitationKeyPattern.Category, String> entry : categoryNames.entrySet()) {
+                CitationKeyPattern.Category category = entry.getKey();
+                String categoryName = entry.getValue();
+
+                Menu categoryMenu = new Menu(categoryName);
+                List<CitationKeyPattern> patterns = categorizedPatterns.getOrDefault(category, List.of());
+
+                for (CitationKeyPattern pattern : patterns) {
+                    MenuItem menuItem = new MenuItem(pattern.stringRepresentation());
+                    menuItem.setOnAction(event -> {
+                        setText(pattern.stringRepresentation());
+                        positionCaret(pattern.stringRepresentation().length());
+                        suggestionsList.hide();
+                    });
+                    categoryMenu.getItems().add(menuItem);
+                }
+                compoundPatternsSubMenu.getItems().add(categoryMenu);
+            }
+            return compoundPatternsSubMenu;
+        }
+
         private Menu createPatternsSubMenu() {
             Menu patternsSubMenu = new Menu(Localization.lang("All patterns"));
 

src/main/resources/l10n/JabRef_en.properties

@@ -2858,6 +2858,7 @@ Entries\ copied\ successfully,\ including\ cross-references.=Entries copied succ
 Entries\ copied\ successfully,\ without\ cross-references.=Entries copied successfully, without cross-references.
 
 All\ patterns=All patterns
+Create\ compound\ patterns=Create compound patterns
 Author\ related=Author related
 Editor\ related=Editor related
 Title\ related=Title related