Changeset 208 in josm for src/org/openstreetmap/josm/gui/MapFrame.java

Timestamp:

2007-04-04T11:31:50+02:00 (17 years ago)

Author:

imi

Message:

• fixed a NPE when hitting a mapmode shortcut after all layers have been closed

File:

• src/org/openstreetmap/josm/gui/MapFrame.java (modified) (3 diffs)

src/org/openstreetmap/josm/gui/MapFrame.java

@@ -33 +33 @@
 import org.openstreetmap.josm.gui.dialogs.SelectionListDialog;
 import org.openstreetmap.josm.gui.dialogs.ToggleDialog;
+import org.openstreetmap.josm.tools.Destroyable;
 
 /**
@@ -40 +41 @@
  * @author imi
  */
-public class MapFrame extends JPanel {
+public class MapFrame extends JPanel implements Destroyable {
 
         /**
@@ -135 +136 @@
         }
 
+        /**
+         * Called as some kind of destructor when the last layer has been removed.
+         * Delegates the call to all Destroyables within this component (e.g. MapModes)
+         */
+        public void destroy() {
+                for (int i = 0; i < toolBarActions.getComponentCount(); ++i)
+                        if (toolBarActions.getComponent(i) instanceof Destroyable)
+                                ((Destroyable)toolBarActions).destroy();
+    }
+
         public Action getDefaultButtonAction() {
                 return ((AbstractButton)toolBarActions.getComponent(0)).getAction();