public Collection getAllModelElementsOfKind(Object nsa, Object type) {
if (!(nsa instanceof Element)) {
return new ArrayList<Element>();
}
Class theType = null;
if (type instanceof String) {
try {
theType = Class.forName((String) type);
} catch (ClassNotFoundException e) {
throw new IllegalArgumentException(e);
}
} else if (type instanceof Class) {
theType = (Class) type;
} else {
throw new IllegalArgumentException("type must be instance of Class or String"); // $NON-NLS-1$
}
if (!Element.class.isAssignableFrom(theType)) {
throw new IllegalArgumentException("type must represent an Element"); // $NON-NLS-1$
}
Collection<Element> result = new ArrayList<Element>();
for (Element element : ((Namespace) nsa).allOwnedElements()) {
if (theType.isAssignableFrom(element.getClass())) {
result.add(element);
}
}
return result;
}
/**
* Returns the image for the element
*
* @param editPart the edit part that displays the element
* @return the image
*/
public Image getImage(GraphicalEditPart editPart) {
Element element = getUMLElement(editPart);
String key = "";
if (element instanceof NamedElement) {
key = ((NamedElement) element).getName() + "::" + ((NamedElement) element).getVisibility();
} else if (element != null) {
key = element.getClass().getName();
} else {
return null;
}
ImageRegistry imageRegistry = Activator.getDefault().getImageRegistry();
Image image = imageRegistry.get(key);
ImageDescriptor descriptor = null;
if (image == null) {
AdapterFactory factory = Activator.getDefault().getItemProvidersAdapterFactory();
IItemLabelProvider labelProvider =
(IItemLabelProvider) factory.adapt(getUMLElement(editPart), IItemLabelProvider.class);
if (labelProvider != null) {
descriptor =
ExtendedImageRegistry.getInstance()
.getImageDescriptor(labelProvider.getImage(getUMLElement(editPart)));
}
if (descriptor == null) {
descriptor = ImageDescriptor.getMissingImageDescriptor();
}
imageRegistry.put(key, descriptor);
image = imageRegistry.get(key);
}
return image;
}