protected Composite createMaxOccurComp(Composite parent, FormToolkit toolkit) {
    fMaxLabel = toolkit.createLabel(parent, PDEUIMessages.AbstractSchemaDetails_maxOccurLabel);
    fMaxLabel.setForeground(toolkit.getColors().getColor(IFormColors.TITLE));
    Composite comp = toolkit.createComposite(parent);
    GridData gd = new GridData(GridData.FILL_HORIZONTAL);
    gd.horizontalSpan = 2;
    GridLayout layout = new GridLayout(3, false);
    layout.marginHeight = layout.marginWidth = 0;
    comp.setLayout(layout);
    comp.setLayoutData(gd);

    fMaxOccurSpinner = new Spinner(comp, SWT.BORDER);
    fMaxOccurSpinner.setMinimum(1);
    fMaxOccurSpinner.setMaximum(999);
    fMaxOccurSpinner.setIncrement(1);

    fUnboundSelect =
        toolkit.createButton(comp, PDEUIMessages.AbstractSchemaDetails_unboundedButton, SWT.CHECK);
    gd = new GridData();
    gd.horizontalIndent = 10;
    fUnboundSelect.setLayoutData(gd);
    fUnboundSelect.addSelectionListener(
        new SelectionAdapter() {
          @Override
          public void widgetSelected(SelectionEvent e) {
            if (blockListeners()) return;
            fMaxOccurSpinner.setEnabled(!fUnboundSelect.getSelection() && isEditableElement());
          }
        });

    return comp;
  }
 protected Button[] createTrueFalseButtons(Composite parent, FormToolkit toolkit, int colSpan) {
   Composite comp = toolkit.createComposite(parent, SWT.NONE);
   GridLayout gl = new GridLayout(2, false);
   gl.marginHeight = gl.marginWidth = 0;
   comp.setLayout(gl);
   GridData gd = new GridData(GridData.FILL_HORIZONTAL);
   gd.horizontalSpan = colSpan;
   gd.horizontalIndent = FormLayoutFactory.CONTROL_HORIZONTAL_INDENT;
   comp.setLayoutData(gd);
   Button tButton = toolkit.createButton(comp, BOOLS[0], SWT.RADIO);
   Button fButton = toolkit.createButton(comp, BOOLS[1], SWT.RADIO);
   gd = new GridData();
   gd.horizontalIndent = 20;
   fButton.setLayoutData(gd);
   return new Button[] {tButton, fButton};
 }