| /* |
| * Copyright 2009 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.GwtEvent; |
| import com.google.gwt.event.shared.HasHandlers; |
| |
| /** |
| * Fired when the event source is initialized. |
| */ |
| public class InitializeEvent extends GwtEvent<InitializeHandler> { |
| |
| /** |
| * The event type. |
| */ |
| private static Type<InitializeHandler> TYPE; |
| |
| /** |
| * Fires a initialize event on all registered handlers in the handler source. |
| * |
| * @param <S> The handler source |
| * @param source the source of the handlers |
| */ |
| public static <S extends HasInitializeHandlers & HasHandlers> void fire( |
| S source) { |
| if (TYPE != null) { |
| InitializeEvent event = new InitializeEvent(); |
| source.fireEvent(event); |
| } |
| } |
| |
| /** |
| * Ensures the existence of the handler hook and then returns it. |
| * |
| * @return returns a handler hook |
| */ |
| public static Type<InitializeHandler> getType() { |
| if (TYPE == null) { |
| TYPE = new Type<InitializeHandler>(); |
| } |
| return TYPE; |
| } |
| |
| /** |
| * Construct a new {@link InitializeEvent}. |
| * |
| */ |
| protected InitializeEvent() { |
| } |
| |
| @Override |
| public final Type<InitializeHandler> getAssociatedType() { |
| return TYPE; |
| } |
| |
| @Override |
| protected void dispatch(InitializeHandler handler) { |
| handler.onInitialize(this); |
| } |
| } |