SelectEventsHandlerNoTouchImpl.java

/*
 * Copyright 2014 cruxframework.org.
 * 
 * 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 org.cruxframework.crux.core.client.select;

import org.cruxframework.crux.core.client.event.SelectEndEvent;
import org.cruxframework.crux.core.client.event.SelectEvent;
import org.cruxframework.crux.core.client.event.SelectStartEvent;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.MouseDownEvent;
import com.google.gwt.event.dom.client.MouseDownHandler;
import com.google.gwt.event.dom.client.MouseUpEvent;
import com.google.gwt.event.dom.client.MouseUpHandler;


/**
 * SelectEventsHanler Implementation for non touch devices
 * @author Thiago da Rosa de Bustamante
 *
 */
public class SelectEventsHandlerNoTouchImpl extends SelectEventsHandler
{
	@Override
	public void handleWidget()
	{
	    selectableWidget.addClickHandler(new ClickHandler()
		{
			@Override
			public void onClick(ClickEvent event)
			{
				if (isEnabled())
				{
					SelectEvent selectEvent = SelectEvent.fire(selectableWidget);
					if (selectEvent.isCanceled())
					{
						event.preventDefault();
					}
					if (selectEvent.isStopped())
					{
						event.stopPropagation();
					}
				}
			}
		});
	    
	    selectableWidget.addMouseDownHandler(new MouseDownHandler()
		{
			@Override
			public void onMouseDown(MouseDownEvent event)
			{
				SelectStartEvent.fire(selectableWidget);
			}
		});
	    
	    selectableWidget.addMouseUpHandler(new MouseUpHandler()
		{
			@Override
			public void onMouseUp(MouseUpEvent event)
			{
				SelectEndEvent.fire(selectableWidget);
			}
		});
	}

	@Override
	public void setTapEventThreshold(int tapEventThreshold)
	{
		//Do nothing.
	}
}