public SpinnerFieldEditor( String name, String labelText, Composite parent, int min, int max, int increment, int pageIncrement) { init(name, labelText); GridLayout layout = new GridLayout(); layout.numColumns = getNumberOfControls(); layout.marginWidth = 0; layout.marginHeight = 0; layout.horizontalSpacing = HORIZONTAL_GAP; parent.setLayout(layout); // create label control getLabelControl(parent); spinner = new BigDecimalSpinner(parent, SWT.NONE, 0, min, max, increment, pageIncrement); spinner.addSelectionListener( new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent event) { valueChanged(); } }); doFillIntoGrid(parent, layout.numColumns); }