package org.litesoft.GWT.client.widgets;

import org.litesoft.GWT.client.widgets.nonpublic.*;

import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.*;
import com.google.gwt.event.dom.client.*;
import com.google.gwt.user.client.*;

public class ImageCellButton extends AbstractCellButton
{
    protected ImageCellButton( String pButtonType, String pSize, int pMinimumCellSize, String pImageButtonName, String pEnabledToolTip, String pDisabledToolTip, ClickHandler pHandler )
    {
        super( 0, pImageButtonName, pSize + "Image", pMinimumCellSize, pButtonType, null, //
               0, createElement( pImageButtonName ), pEnabledToolTip, pDisabledToolTip, pHandler );
    }

    private static Element createElement( String pImageButtonName )
    {
        Element zElement = DOM.createImg();
        zElement.setPropertyString( "src", buildURL( pImageButtonName, true ) );
        ImageElement.as( zElement ).setAlt( pImageButtonName );
        return zElement;
    }

    private static String buildURL( String pImageButtonName, boolean pEnabled )
    {
        return "common/images/ImageButton/" + pImageButtonName + (pEnabled ? "/Enabled.gif" : "/Disabled.gif");
    }

    @Override
    public void setEnabled( boolean pEnabled )
    {
        boolean zUpdateSource = isEnabled() != pEnabled;
        super.setEnabled( pEnabled );
        if ( zUpdateSource )
        {
            mInnerElement.setPropertyString( "src", buildURL( getName(), pEnabled ) );
        }
    }
}