public void widgetSelected( SelectionEvent e )
public void widgetSelected( SelectionEvent event )
			public void widgetSelected( SelectionEvent e )			{				intervalRange.setEnabled( intervalType.getSelectionIndex( ) != 0 );				intervalBaseButton.setEnabled( intervalType.getSelectionIndex( ) != 0						&& ( getColumnType( ) != String.class ) );				intervalBaseText.setEnabled( intervalBaseButton.getEnabled( )						&& intervalBaseButton.getSelection( ) );			}