Ticket #3307: graphview-lazy-toggledialog.patch

src/org/openstreetmap/josm/plugins/graphview/plugin/GraphViewPlugin.java

@@ -66 +66 @@
                 PROPERTIES.add(new RoadWidth());
         }
 
-        private final GraphViewDialog laneDialog;
-
         private final GraphViewPreferences preferences;
 
         private JOSMTransitionStructure transitionStructure;
@@ -79 +77 @@
                 preferences = GraphViewPreferences.getInstance();
                 this.preferences.addObserver(this);
 
-                laneDialog = new GraphViewDialog(this);
-
         }
 
         /** allows creation/update of GraphViewLayer */
@@ -234 +230 @@
         @Override
         public void mapFrameInitialized(MapFrame oldFrame, MapFrame newFrame) {
                 if (newFrame != null) {
-                        newFrame.addToggleDialog(laneDialog);
+                        if (oldFrame == null) {
+                                final GraphViewDialog laneDialog
+                                        = new GraphViewDialog(this);
+                                newFrame.addToggleDialog(laneDialog);
+                        }
                         Layer.listeners.add(this);
                 } else {
                         Layer.listeners.remove(this);