Bug 86602 AddDelegateMethodsActions
With the next integration build isInterface returns true for annotations. Some of the isInterface || && isAnnotation checks can be simplified now.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/actions/AddUnimplementedConstructorsAction.java
} finally {
				if (target != null) {
					target.endCompoundChange();
				}
			}
		}
	}
	
	/*
	 * (non-Javadoc) Method declared on SelectionDispatchAction
	 */
	public void selectionChanged(IStructuredSelection selection) {
		try {
			setEnabled(canEnable(selection));
		} catch (JavaModelException e) {
			
			if (JavaModelUtil.filterNotPresentException(e))
				JavaPlugin.log(e);
			setEnabled(false);
		}
	}
	
	/*
	 * (non-Javadoc) Method declared on SelectionDispatchAction
	 */
	public void selectionChanged(ITextSelection selection) {
	}
}