/**
* Get all available elements.
*
* @return the available elements
*/
protected Collection<?> getAvailableElements() {
final Collection<FilterDescription> result = new HashSet<FilterDescription>();
if (diagram != null && diagram.getDescription() != null) {
final DiagramDescription desc = diagram.getDescription();
result.addAll(desc.getFilters());
}
result.removeAll(getAppliedElements());
return result;
}
/**
* Overridden to checks that a {@link DiagramElementMapping} is owned by a {@link
* DiagramDescription}.
*
* <p>{@inheritDoc}
*/
public boolean apply(DiagramElementMapping diagramElementMapping) {
return diagramDescription.getAllEdgeMappings().contains(diagramElementMapping)
|| diagramDescription.getAllNodeMappings().contains(diagramElementMapping)
|| diagramDescription.getAllContainerMappings().contains(diagramElementMapping);
}