Add compare button to duplicates in Citation relations tab

CHANGELOG.md

@@ -34,6 +34,7 @@ Note that this project **does not** adhere to [Semantic Versioning](https://semv
 - We added a different background color to the search bar to indicate when the search syntax is wrong. [#11658](https://github.com/JabRef/jabref/pull/11658)
 - We added a setting which always adds the literal "Cited on pages" text before each JStyle citation. [#11691](https://github.com/JabRef/jabref/pull/11732)
 - We added a new plain citation parser that uses LLMs. [#11825](https://github.com/JabRef/jabref/issues/11825)
+- Added a compare button to the duplicates in the citation relations tab to open the "Possible duplicate entries" window. [#11192](https://github.com/JabRef/jabref/issues/11192)
 
 ### Changed
 

src/main/java/org/jabref/gui/entryeditor/citationrelationtab/CitationRelationsTab.java

@@ -5,6 +5,7 @@
 import java.net.URI;
 import java.util.Arrays;
 import java.util.List;
+import java.util.Optional;
 
 import javax.swing.undo.UndoManager;
 
@@ -39,6 +40,9 @@
 import org.jabref.gui.entryeditor.citationrelationtab.semanticscholar.CitationFetcher;
 import org.jabref.gui.entryeditor.citationrelationtab.semanticscholar.SemanticScholarFetcher;
 import org.jabref.gui.icon.IconTheme;
+import org.jabref.gui.mergeentries.EntriesMergeResult;
+import org.jabref.gui.mergeentries.MergeEntriesDialog;
+import org.jabref.gui.mergeentries.MergeTwoEntriesAction;
 import org.jabref.gui.preferences.GuiPreferences;
 import org.jabref.gui.util.NoSelectionModel;
 import org.jabref.gui.util.ViewModelListCellFactory;
@@ -89,6 +93,8 @@ public class CitationRelationsTab extends EntryEditorTab {
     private final CitationsRelationsTabViewModel citationsRelationsTabViewModel;
     private final DuplicateCheck duplicateCheck;
     private final BibEntryTypesManager entryTypesManager;
+    private final StateManager stateManager;
+    private final UndoManager undoManager;
 
     public CitationRelationsTab(DialogService dialogService,
                                 BibDatabaseContext databaseContext,
@@ -104,6 +110,8 @@ public CitationRelationsTab(DialogService dialogService,
         this.preferences = preferences;
         this.libraryTab = libraryTab;
         this.taskExecutor = taskExecutor;
+        this.undoManager = undoManager;
+        this.stateManager = stateManager;
         setText(Localization.lang("Citation relations"));
         setTooltip(new Tooltip(Localization.lang("Show articles related by citation")));
 
@@ -238,6 +246,13 @@ private void styleFetchedListView(CheckListView<CitationRelationItem> listView)
                             libraryTab.clearAndSelect(entry.localEntry());
                         });
                         vContainer.getChildren().add(jumpTo);
+
+                        Button compareButton = IconTheme.JabRefIcons.MERGE_ENTRIES.asButton();
+                        compareButton.setTooltip(new Tooltip(Localization.lang("Compare with duplicate entries")));
+                        compareButton.setOnMouseClicked(event -> {
+                            openPossibleDuplicateEntriesWindow(entry);
+                        });
+                        vContainer.getChildren().add(compareButton);
                     } else {
                         ToggleButton addToggle = IconTheme.JabRefIcons.ADD.asToggleButton();
                         addToggle.setTooltip(new Tooltip(Localization.lang("Select entry")));
@@ -504,4 +519,24 @@ private void importEntries(List<CitationRelationItem> entriesToImport, CitationF
 
         dialogService.notify(Localization.lang("Number of entries successfully imported") + ": " + entriesToImport.size());
     }
+
+    /**
+     * Function to open possible duplicate entries window to compare duplicate entries
+     *
+     * @param duplicateItem duplicate in the citation relations tab
+     */
+    private void openPossibleDuplicateEntriesWindow(CitationRelationItem duplicateItem) {
+        BibEntry localEntry = duplicateItem.localEntry();
+        BibEntry duplicateEntry = duplicateItem.entry();
+
+        MergeEntriesDialog dialog = new MergeEntriesDialog(localEntry, duplicateEntry, preferences);
+        dialog.setTitle(Localization.lang("Possible duplicate entries"));
+
+        Optional<EntriesMergeResult> mergeResultOpt = dialogService.showCustomDialogAndWait(dialog);
+        mergeResultOpt.ifPresentOrElse(entriesMergeResult -> {
+            new MergeTwoEntriesAction(entriesMergeResult, stateManager, undoManager).execute();
+
+            dialogService.notify(Localization.lang("Merged entries"));
+        }, () -> dialogService.notify(Localization.lang("Canceled merging entries")));
+    }
 }

src/main/resources/l10n/JabRef_en.properties

@@ -2797,3 +2797,5 @@ Warning\:\ The\ selected\ directory\ is\ not\ a\ valid\ directory.=Warning: The
 Currently\ selected\ JStyle\:\ '%0' = Currently selected JStyle: '%0'
 Currently\ selected\ CSL\ Style\:\ '%0' = Currently selected CSL Style: '%0'
 Store\ url\ for\ downloaded\ file=Store url for downloaded file
+
+Compare\ with\ duplicate\ entries=Compare with duplicate entries