/*

 * Copyright 2007 Future Earth, info@future-earth.eu

 *

 * 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 eu.future.earth.gwt.client.date.week;



import com.google.gwt.event.shared.GwtEvent;



public class WeekScrollEvent extends GwtEvent<WeekScrollEventHandler> {



	private static final long serialVersionUID = -3798647759325157673L;



	private int pos = -1;



	public WeekScrollEvent() {

		super();

	}



	/**

	 * Handler type.

	 */

	private static Type<WeekScrollEventHandler> TYPE;



	/**

	 * Fires a before selection event on all registered handlers in the handler manager. If no such handlers exist, this

	 * method will do nothing.

	 * 

	 * @param source

	 *            the source of the handlers

	 * @param navigator

	 *            the navigator associated with this event

	 * @param token

	 *            the navigation token associated with this event

	 * @return the event so that the caller can check if it was canceled, or null if no handlers of this event type have

	 *         been registered

	 */

	public static WeekScrollEvent fire(HasWeekScrollEventHandlers source, int navigator) {

		// If no handlers exist, then type can be null.

		if (TYPE != null) {

			final WeekScrollEvent event = new WeekScrollEvent(navigator);

			source.fireEvent(event);

			return event;

		}

		return null;

	}



	public int getPos() {

		return pos;

	}



	/**

	 * Gets the type associated with this event.

	 * 

	 * @return returns the handler type

	 */

	public static Type<WeekScrollEventHandler> getType() {

		if (TYPE == null) {

			TYPE = new Type<WeekScrollEventHandler>();

		}

		return TYPE;

	}



	protected WeekScrollEvent(int newPos) {

		super();

		pos = newPos;

	}



	@SuppressWarnings({

			"unchecked", "rawtypes"

	})

	@Override

	public final Type<WeekScrollEventHandler> getAssociatedType() {

		return (Type) TYPE;

	}



	protected void dispatch(WeekScrollEventHandler handler) {

		handler.handleScrollEvent(this);

	}



}