Bug 42143 Dialogs for source actions do not use dialog font [dialogs]
select a cu in package explorer context menu "Source": "Override/Implement methods..." "Generate Getters and Setters..." "Generate Delegate methods..." "Add constructor from superclass..." "Generate constructor using fields..."
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/actions/AddUnimplementedConstructorsAction.java
if (type != null && !type.isInterface())
				return type;
		}
		return null;
	}	
	
	private String getDialogTitle() {
		return dialogTitle;
	}	
	private static class AddUnimplementedConstructorsContentProvider implements ITreeContentProvider {
		
		private IMethod[] fMethodsList;
		private static final Object[] EMPTY= new Object[0];
		
		public AddUnimplementedConstructorsContentProvider(IMethod[] methodList) {
			fMethodsList= methodList;
		}
		
		/*
		 * @see ITreeContentProvider#getChildren(Object)
		 */
		public Object[] getChildren(Object parentElement) {
			return EMPTY;
		}
		/*
		 * @see ITreeContentProvider#getParent(Object)
		 */
		public Object getParent(Object element) {
			return null;
		}