/**
* Returns an image descriptor.
*
* @return an {@link ImageDescriptor}
*/
public ImageDescriptor imageDescriptor() {
final ImageRegistry imageRegistry = DiagramActivator.getDefault().getImageRegistry();
ImageDescriptor imageDescriptor = imageRegistry.getDescriptor(path);
if (imageDescriptor == null) {
addImageDescriptor();
imageDescriptor = imageRegistry.getDescriptor(path);
}
return imageDescriptor;
}
private void addImageDescriptor() {
final DiagramActivator plugin = DiagramActivator.getDefault();
final ImageDescriptor id = ImageDescriptor.createFromURL(plugin.getBundle().getEntry(path));
plugin.getImageRegistry().put(path, id);
}