001    package org.gwtbootstrap3.client.shared.event;
002    
003    /*
004     * #%L
005     * GwtBootstrap3
006     * %%
007     * Copyright (C) 2013 GwtBootstrap3
008     * %%
009     * Licensed under the Apache License, Version 2.0 (the "License");
010     * you may not use this file except in compliance with the License.
011     * You may obtain a copy of the License at
012     * 
013     *      http://www.apache.org/licenses/LICENSE-2.0
014     * 
015     * Unless required by applicable law or agreed to in writing, software
016     * distributed under the License is distributed on an "AS IS" BASIS,
017     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018     * See the License for the specific language governing permissions and
019     * limitations under the License.
020     * #L%
021     */
022    
023    import com.google.gwt.dom.client.NativeEvent;
024    import com.google.gwt.event.shared.GwtEvent;
025    
026    /**
027     * @author Joshua Godi
028     */
029    public class ShowEvent extends GwtEvent<ShowHandler> {
030        private static final Type<ShowHandler> TYPE = new Type<ShowHandler>();
031        private final NativeEvent nativeEvent;
032    
033        public static Type<ShowHandler> getType() {
034            return TYPE;
035        }
036    
037        public ShowEvent() {
038            this(null);
039        }
040    
041        public ShowEvent(final NativeEvent nativeEvent) {
042            this.nativeEvent = nativeEvent;
043        }
044    
045        @Override
046        public final Type<ShowHandler> getAssociatedType() {
047            return TYPE;
048        }
049    
050        @Override
051        protected void dispatch(final ShowHandler handler) {
052            handler.onShow(this);
053        }
054    
055        public final void preventDefault() {
056            if (nativeEvent == null) return;
057            nativeEvent.preventDefault();
058        }
059    
060        public final void stopPropagation() {
061            if (nativeEvent == null) return;
062            nativeEvent.stopPropagation();
063        }
064    }