001/*
002 * Copyright 2008 Google Inc.
003 * 
004 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
005 * use this file except in compliance with the License. You may obtain a copy of
006 * the License at
007 * 
008 * http://www.apache.org/licenses/LICENSE-2.0
009 * 
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
012 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
013 * License for the specific language governing permissions and limitations under
014 * the License.
015 */
016package gwt.material.design.addins.client.swipeable.events;
017
018/*
019 * #%L
020 * GwtMaterial
021 * %%
022 * Copyright (C) 2015 - 2016 GwtMaterialDesign
023 * %%
024 * Licensed under the Apache License, Version 2.0 (the "License");
025 * you may not use this file except in compliance with the License.
026 * You may obtain a copy of the License at
027 * 
028 *      http://www.apache.org/licenses/LICENSE-2.0
029 * 
030 * Unless required by applicable law or agreed to in writing, software
031 * distributed under the License is distributed on an "AS IS" BASIS,
032 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
033 * See the License for the specific language governing permissions and
034 * limitations under the License.
035 * #L%
036 */
037
038
039import com.google.gwt.event.shared.EventHandler;
040import com.google.gwt.event.shared.GwtEvent;
041import gwt.material.design.addins.client.swipeable.base.HasSwipeable;
042
043/**
044 * Represents a swipe left event.
045 * @author kevzlou7979
046 * @param <T> the type being swiped to left
047 */
048public class SwipeLeftEvent<T> extends GwtEvent<SwipeLeftEvent.SwipeLeftHandler<T>> {
049
050    private static Type<SwipeLeftHandler<?>> TYPE;
051
052    public interface SwipeLeftHandler<T> extends EventHandler {
053        void onSwipeLeft(SwipeLeftEvent<T> event);
054    }
055
056    public static <T> void fire(HasSwipeable<T> source, T target) {
057        if (TYPE != null) {
058            SwipeLeftEvent<T> event = new SwipeLeftEvent<T>(target);
059            source.fireEvent(event);
060        }
061    }
062
063    public static Type<SwipeLeftHandler<?>> getType() {
064        return TYPE != null ? TYPE : (TYPE = new Type<SwipeLeftHandler<?>>());
065    }
066
067    private final T target;
068
069    protected SwipeLeftEvent(T target) {
070        this.target = target;
071    }
072
073    @Override
074    public final Type<SwipeLeftHandler<T>> getAssociatedType() {
075        return (Type) TYPE;
076    }
077
078    public T getTarget() {
079        return target;
080    }
081
082    @Override
083    protected void dispatch(SwipeLeftHandler<T> handler) {
084        handler.onSwipeLeft(this);
085    }
086}