Changeset 9916 in josm for trunk/src/org/openstreetmap/josm/gui/util

Timestamp:

2016-03-02T22:54:34+01:00 (8 years ago)

Author:

Don-vip

Message:

ChangesetCacheManager: add unit tests

File:

• trunk/src/org/openstreetmap/josm/gui/util/GuiHelper.java (modified) (2 diffs)

trunk/src/org/openstreetmap/josm/gui/util/GuiHelper.java

@@ -27 +27 @@
 import java.lang.reflect.InvocationTargetException;
 import java.util.Enumeration;
+import java.util.EventObject;
 import java.util.concurrent.Callable;
 import java.util.concurrent.ExecutionException;
@@ -463 +464 @@
         return GraphicsEnvironment.isHeadless() ? null : Toolkit.getDefaultToolkit().getSystemSelection();
     }
+
+    /**
+     * Returns the first <code>Window</code> ancestor of event source, or
+     * {@code null} if event source is not a component contained inside a <code>Window</code>.
+     * @param e event object
+     * @return a Window, or {@code null}
+     * @since 9916
+     */
+    public static Window getWindowAncestorFor(EventObject e) {
+        return e != null && e.getSource() instanceof Component ? SwingUtilities.getWindowAncestor((Component) e.getSource()) : null;
+    }
 }