MSIEMouseEventImpl.java :  » Ajax » ItsNat » org » itsnat » impl » core » event » client2serv » dom » msie » Java Open Source

/*
  ItsNat Java Web Application Framework
  Copyright (C) 2007 Innowhere Software Services S.L., Spanish Company
  Author: Jose Maria Arranz Santamaria

  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU Affero General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version. See the GNU Affero General Public 
  License for more details. See the copy of the GNU Affero General Public License
  included in this program. If not, see <http://www.gnu.org/licenses/>.
*/

package org.itsnat.impl.core.event.client2serv.dom.msie;

import org.itsnat.core.ItsNatException;
import org.itsnat.impl.core.ItsNatServletRequestImpl;
import org.itsnat.impl.core.event.client2serv.dom.NodeContainer;
import org.itsnat.impl.core.listener.dom.DOMEventListenerWrapperImpl;
import org.w3c.dom.Node;
import org.w3c.dom.events.EventTarget;
import org.w3c.dom.events.MouseEvent;
import org.w3c.dom.views.AbstractView;

/**
 *
 * @author jmarranz
 */
public class MSIEMouseEventImpl extends MSIEUIEventImpl implements MouseEvent
{
    protected NodeContainer relatedTarget; 
    
    /**
     * Creates a new instance of MSIEMouseEventImpl
     */
    public MSIEMouseEventImpl(DOMEventListenerWrapperImpl listenerWrapper,ItsNatServletRequestImpl request)
    {
        super(listenerWrapper,request);
    }

    public void initMouseEvent(String typeArg, boolean canBubbleArg, boolean cancelableArg, AbstractView viewArg, int detailArg, int screenXArg, int screenYArg, int clientXArg, int clientYArg, boolean ctrlKeyArg, boolean altKeyArg, boolean shiftKeyArg, boolean metaKeyArg, short buttonArg, EventTarget relatedTargetArg)
    {
        throw new ItsNatException("Not implemented");    
    }
/*    
    public EventTarget getCurrentTarget()
    {
        String type = getType();
        if (type.equals("mouseover"))
            return (EventTarget)originalEvt.getToElement();
        else
            return super.getCurrentTarget();
    }    
*/    
    public int getDetail()
    {
        if (this.detail == 0) // No ha sido inicializado
        {
            // Es lo ms aproximado porque salvo el propio dblclick no sabemos si ha habido un doble click y estamos procesando el segundo click
            if (getType().equals("dblclick")) 
                this.detail = 2; // Dos clicks
            else
                this.detail = 1;
        }  
        return super.getDetail();
    }
        
    public int getScreenX()
    {
        return originalEvt.getScreenX();
    }

    public int getScreenY()
    {
        return originalEvt.getScreenY();
    }

    public int getClientX()
    {
        return originalEvt.getClientX();
    }

    public int getClientY()
    {
        return originalEvt.getClientY();
    }

    public boolean getCtrlKey()
    {
        return originalEvt.getCtrlKey();
    }

    public boolean getShiftKey()
    {
        return originalEvt.getShiftKey();
    }

    public boolean getAltKey()
    {
        return originalEvt.getAltKey();
    }

    public boolean getMetaKey()
    {
        return false; // Ver el idem en MSIEKeyEventImpl
    }

    public short getButton()
    {
        short button = originalEvt.getButton();
        // Los valores de button de MSIE no son los estndar
        // como es un evento de ratn nunca ser cero
        switch(button)
        {
            case 1: return 0; // botn izquierdo
            case 2: return 2; // botn derecho
            case 4: return 1; // botn de enmedio
        }
           
        return button; // Combinaciones de varios botones pulsados, DOM level 3 lo menciona pero no estandariza los valores exactos
    }

    public EventTarget getRelatedTarget()
    {
        if (relatedTarget == null)
        {
            // Existe en el caso de mouseover/mouseout
            Node target;
            String type = getType();
            if (type.equals("mouseover"))
                target = originalEvt.getFromElement();
            else if (type.equals("mouseout"))
                target = originalEvt.getToElement();
            else
                target = null;            
            
            this.relatedTarget = new NodeContainer(target);        
        }
        return (EventTarget)relatedTarget.get();         
    }
    
}