- void focusLost(ViewPanel viewPanel);
-
- void focusReceived(ViewPanel viewPanel);
-
- void keyPressed(KeyEvent event, ViewPanel viewPanel);
-
- void keyReleased(KeyEvent event, ViewPanel viewPanel);
+ /**
+ * @return <code>true</code> if view update is needed.
+ */
+ boolean focusLost(ViewPanel viewPanel);
+
+ /**
+ * @return <code>true</code> if view update is needed.
+ */
+ boolean focusReceived(ViewPanel viewPanel);
+
+ /**
+ * @return <code>true</code> if view update is needed.
+ */
+ boolean keyPressed(KeyEvent event, ViewPanel viewPanel);
+
+ /**
+ * @return <code>true</code> if view update is needed.
+ */
+ boolean keyReleased(KeyEvent event, ViewPanel viewPanel);