// This Source Code is in the Public Domain per: http://unlicense.org
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.user.client.*;

public class ImageCellButton extends AbstractCellButton
{
    private String mImageRef;

    public ImageCellButton( DefButtonNamedTypedFactoryImage pDefButtonFactory, int pMinimumCellSize )
    {
        super( 0, pDefButtonFactory, 0, "Image", //
               pMinimumCellSize, createElement( pDefButtonFactory.getButtonImageRef() ) );
        prefetchImageButtonImages( mImageRef = pDefButtonFactory.getButtonImageRef() );
    }

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

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