com.google.gwt.event.logical.shared.HasValueChangeHandlers.java Source code

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Here is the source code for com.google.gwt.event.logical.shared.HasValueChangeHandlers.java

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/*
 * 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.logical.shared;

import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.event.shared.HasHandlers;

/**
 * A widget that implements this interface is a public source of
 * {@link ValueChangeEvent} events.
 * 
 * @param <T> the value about to be changed
 */
public interface HasValueChangeHandlers<T> extends HasHandlers {
    /**
     * Adds a {@link ValueChangeEvent} handler.
     * 
     * @param handler the handler
     * @return the registration for the event
     */
    HandlerRegistration addValueChangeHandler(ValueChangeHandler<T> handler);
}