Ticket #19275: 19275.2.patch

src/org/openstreetmap/josm/gui/dialogs/RelationListDialog.java

@@ -33 +33 @@
 import javax.swing.event.PopupMenuEvent;
 import javax.swing.event.PopupMenuListener;
 
+import org.openstreetmap.josm.actions.AbstractShowHistoryAction;
 import org.openstreetmap.josm.actions.ExpertToggleAction;
+import org.openstreetmap.josm.actions.IPrimitiveAction;
 import org.openstreetmap.josm.actions.relation.AddSelectionToRelations;
 import org.openstreetmap.josm.actions.relation.DeleteRelationsAction;
 import org.openstreetmap.josm.actions.relation.DuplicateRelationAction;
@@ -72 +74 @@
 import org.openstreetmap.josm.gui.SideButton;
 import org.openstreetmap.josm.gui.dialogs.relation.RelationEditor;
 import org.openstreetmap.josm.gui.dialogs.relation.RelationPopupMenus;
+import org.openstreetmap.josm.gui.history.HistoryBrowserDialogManager;
 import org.openstreetmap.josm.gui.layer.LayerManager.LayerAddEvent;
 import org.openstreetmap.josm.gui.layer.LayerManager.LayerChangeListener;
 import org.openstreetmap.josm.gui.layer.LayerManager.LayerOrderChangeEvent;
@@ -408 +411 @@
         }
     }
 
+    static class ShowHistoryAction extends AbstractShowHistoryAction implements IPrimitiveAction {
+        private Collection<? extends IPrimitive> primitives;
+
+        @Override
+        public void actionPerformed(ActionEvent e) {
+            if (primitives != null && !primitives.isEmpty()) {
+                HistoryBrowserDialogManager.getInstance().showHistory(primitives);
+            }
+        }
+
+        @Override
+        public void setPrimitives(Collection<? extends IPrimitive> primitives) {
+            this.primitives = primitives;
+        }
+    }
+
     /**
      * The list model for the list of relations displayed in the relation list dialog.
      */
@@ -616 +635 @@
         List<JMenuItem> checkDisabled = new ArrayList<>();
 
         RelationPopupMenus.setupHandler(popupMenuHandler, SelectInRelationListAction.class);
+        popupMenuHandler.addSeparator();
+        popupMenuHandler.addAction(new ShowHistoryAction());
 
         // -- export relation to gpx action
         popupMenuHandler.addSeparator();