Bug 38570 Source generation wizards; Add button to open preference page
M1 The Getter/Setter wizard should offer an access to the Code Generation Preference page: Field prefix/suffix, getter/setter body content, method comment template Add delegate, constructor and override could have a button for the method comment template The code to open a preference page programatically can be copied from TodoTaskPropertyPage.showPreferencePage
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/dialogs/SourceActionDialog.java
Integer[] data= new Integer[] {
					new Integer(Modifier.PUBLIC),
					new Integer(Modifier.PROTECTED),
					new Integer(Modifier.NONE),
					new Integer(Modifier.PRIVATE)};
		Integer initialVisibility= new Integer(correctVisibility);
		for (int i= 0; i < labels.length; i++) {
			Button radio= new Button(group, SWT.RADIO);
			Integer visibilityCode= data[i];
			radio.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
			radio.setText(labels[i]);
			radio.setData(visibilityCode);
			radio.setSelection(visibilityCode.equals(initialVisibility));
			radio.setEnabled(allowedVisibilities.contains(visibilityCode));
			radio.addSelectionListener(new SelectionAdapter() {
				public void widgetSelected(SelectionEvent event) {
					visibilityChangeListener.visibilityChanged(((Integer)event.widget.getData()).intValue());
				}
			});
		}
		return group;
	}
	
	protected Composite createVisibilityControlAndModifiers(Composite parent, final IVisibilityChangeListener visibilityChangeListener, int[] availableVisibilities, int correctVisibility) {
		Composite visibilityComposite= createVisibilityControl(parent, visibilityChangeListener, availableVisibilities, correctVisibility);
		Button finalCheckboxButton= new Button(visibilityComposite, SWT.CHECK);
		finalCheckboxButton.setText(ActionMessages.getString("SourceActionDialog.modifier_final")); 
		GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL);
		finalCheckboxButton.setLayoutData(gd);
		finalCheckboxButton.setData(new Integer(Modifier.FINAL));