com.google.gwt.user.client.ui.EventfulHyperLink.java Source code

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Here is the source code for com.google.gwt.user.client.ui.EventfulHyperLink.java

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/* 
 * =============================================================
 * Copyright (C) 2007-2011 Edgenius (http://www.edgenius.com)
 * =============================================================
 * License Information: http://www.edgenius.com/licensing/edgenius/2.0/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2.0
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * http://www.gnu.org/licenses/gpl.txt
 *  
 * ****************************************************************
 */
package com.google.gwt.user.client.ui;

import com.google.gwt.event.dom.client.HasMouseOutHandlers;
import com.google.gwt.event.dom.client.HasMouseOverHandlers;
import com.google.gwt.event.dom.client.MouseOutEvent;
import com.google.gwt.event.dom.client.MouseOutHandler;
import com.google.gwt.event.dom.client.MouseOverEvent;
import com.google.gwt.event.dom.client.MouseOverHandler;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Event;

/**
 * This HyperLink can accept Mouse over and out event.
 * @author Dapeng.Ni
 */
public class EventfulHyperLink extends Hyperlink implements HasMouseOutHandlers, HasMouseOverHandlers {

    public EventfulHyperLink(String text, String token) {
        super(text, token);
        sinkEvents(Event.ONMOUSEOUT);
        sinkEvents(Event.ONMOUSEOVER);
    }

    public HandlerRegistration addMouseOverHandler(MouseOverHandler handler) {
        return this.addHandler(handler, MouseOverEvent.getType());
    }

    public HandlerRegistration addMouseOutHandler(MouseOutHandler handler) {
        return this.addHandler(handler, MouseOutEvent.getType());
    }

    public void onBrowserEvent(Event event) {
        if (DOM.eventGetType(event) == Event.ONMOUSEOUT) {
            MouseOutEvent.fireNativeEvent(event, this);
            DOM.eventPreventDefault(event);
        } else if (DOM.eventGetType(event) == Event.ONMOUSEOVER) {
            MouseOverEvent.fireNativeEvent(event, this);
            DOM.eventPreventDefault(event);
        }
    }

}