Fixed 'Tetris' calendar problem.

src/com/bradrydzewski/gwt/calendar/client/event/DeleteHandler.java

@@ -0,0 +1,19 @@
+package com.bradrydzewski.gwt.calendar.client.event;
+
+import com.google.gwt.event.shared.EventHandler;
+
+
+/**
+ * Handler interface for {@link DeleteEvent} events.
+ * 
+ * @param <T> the type being opened
+ */
+public interface DeleteHandler<T> extends EventHandler {
+
+  /**
+   * Called when {@link DeleteEvent} is fired.
+   * 
+   * @param event the {@link DeleteEvent} that was fired
+   */
+  void onDelete(DeleteEvent<T> event);
+}