com.google.gwt.event.dom.client.HandlesAllFocusEvents Maven / Gradle / Ivy
/*
* Copyright 2008 Google Inc.
*
* 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.google.gwt.event.dom.client;
/**
* Receiver used to handle all focus events at once.
*/
public abstract class HandlesAllFocusEvents implements FocusHandler,
BlurHandler {
/**
* Convenience method used to handle both focus and blur events from an event
* source.
*
* @param receiver type, must implement both {@link FocusHandler} and
* {@link BlurHandler} handlers
* @param eventSource the event source
* @param reciever the receiver implementing both focus and blur handlers
*/
public static void handle(
HasAllFocusHandlers eventSource, H reciever) {
eventSource.addBlurHandler(reciever);
eventSource.addFocusHandler(reciever);
}
/**
* Constructor.
*/
public HandlesAllFocusEvents() {
}
/**
* Convenience method to handle both focus and blur events from an event
* source.
*
* @param source the event source
*/
public void handle(HasAllFocusHandlers source) {
handle(source, this);
}
}