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/GenerateNewConstructorUsingFieldsAction.java
protected void buttonPressed(int buttonId) {
			super.buttonPressed(buttonId);
			switch (buttonId) {
				case UP_BUTTON :
					{
						fContentProvider.up(getElementList(), getTreeViewer());
						updateOKStatus();
						break;
					}
				case DOWN_BUTTON :
					{
						fContentProvider.down(getElementList(), getTreeViewer());
						updateOKStatus();
						break;
					}
			}
		}
		private List getElementList() {
			IStructuredSelection selection= (IStructuredSelection) getTreeViewer().getSelection();
			List elements= selection.toList();
			ArrayList elementList= new ArrayList();
			for (int i= 0; i < elements.size(); i++) {
				elementList.add(elements.get(i));
			}
			return elementList;
		}
		protected Composite createEntryPtCombo(Composite composite) {
			Composite entryComposite= super.createEntryPtCombo(composite);
			addVisibilityAndModifiersChoices(entryComposite);
			return entryComposite;