/* * #%L * GwtMaterial * %% * Copyright (C) 2015 - 2017 GwtMaterialDesign * %% * 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. * #L% */ package gwt.material.design.client.events; import com.google.gwt.event.shared.EventHandler; import com.google.gwt.event.shared.GwtEvent; import com.google.gwt.event.shared.HasHandlers; public class ObservedEvent extends GwtEvent<ObservedEvent.ObservedHandler> { public interface ObservedHandler extends EventHandler { void onObserved(ObservedEvent event); } public static final Type<ObservedHandler> TYPE = new Type<>(); private final String old; private final String value; public ObservedEvent(String old, String value) { this.old = old; this.value = value; } public static void fire(HasHandlers source, String old, String value) { source.fireEvent(new ObservedEvent(old, value)); } public String getOld() { return old; } public String getValue() { return value; } @Override public Type<ObservedHandler> getAssociatedType() { return TYPE; } @Override protected void dispatch(ObservedHandler handler) { handler.onObserved(this); } }