com.vaadin.client.Focusable Maven / Gradle / Ivy
/*
* Copyright 2000-2018 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();
}