1 files changed, 31 insertions, 0 deletions
diff --git a/client/src/com/vaadin/client/Focusable.java b/client/src/com/vaadin/client/Focusable.java
new file mode 100644
index 0000000000..9694a18db1
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+++ b/client/src/com/vaadin/client/Focusable.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2011 Vaadin Ltd.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.vaadin.client;
+
+/**
+ * GWT's HasFocus is way too overkill for just receiving focus in simple
+ * components. Vaadin uses this interface in addition to GWT's HasFocus to pass
+ * focus requests from server to actual ui widgets in browsers.
+ * 
+ * So in to make your server side focusable component receive focus on client
+ * side it must either implement this or HasFocus interface.
+ */
+public interface Focusable {
+    /**
+     * Sets focus to this widget.
+     */
+    public void focus();
+}