How to use

IconProvider

in

it.tidalwave.role

 /*******************************************************************************************************************
  *
  * Creates a default icon, calling the delegate if provided, otherwise returning an empty icon.
  * 
  * @param   type  the icon type
  * @param   size  the icon size
  * @return        the icon
  *
  ******************************************************************************************************************/
 @Nonnull
 private Icon getDefaultIcon (final @Nonnegative int size)
  {
   return (defaultIconProvider != null) ? defaultIconProvider.getIcon(size) : EMPTY_ICON;
  }
}

 /*******************************************************************************************************************
  *
  * Creates a default icon, calling the delegate if provided, otherwise returning an empty icon.
  * 
  * @param   type  the icon type
  * @param   size  the icon size
  * @return        the icon
  *
  ******************************************************************************************************************/
 @Nonnull
 private Image getDefaultIcon (final @Nonnull Type type, final @Nonnegative int size)
  {
   return (defaultIconProvider != null) ? defaultIconProvider.getIcon(type, size) : EMPTY_ICON;
  }
}

/*******************************************************************************************************************
 *
 *
 ******************************************************************************************************************/
@Nonnull
private Image findIcon (final int size)
 {
  try
   {
    return ImageUtilities.icon2Image(find(object, IconProvider).getIcon(size));
   }
  catch (NotFoundException e)
   {
    return EMPTY_ICON;
   }
 }

/*******************************************************************************************************************
 *
 * {@inheritDoc}
 *
 ******************************************************************************************************************/
@Nonnull
private Image getIcon (final int sizeType, final @Nonnull Image fallBackImage)
 {
  final Node delegate = getOriginal();
  //
  // If the delegate is not a NodePresentationModel, it is not using an IconProvider for its icon, thus it is directly
  // providing its own icon. It could even have an IconProvider in its Lookup as it could be a FilterNode; for
  // this reason there's this explicit check.
  //
  if (!(delegate instanceof NodePresentationModel) && !(delegate instanceof GenericFilterNode))
   {
    return fallBackImage;
   }
  final IconProvider iconProvider = getLookup().lookup(IconProvider.class);
  final int size = (sizeType == BeanInfo.ICON_COLOR_16x16) ? 16 : 32;
  return (iconProvider != null) ? ImageUtilities.icon2Image(iconProvider.getIcon(size)) : fallBackImage;
 }