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/ui/actions/AddGetterSetterAction.java
PlatformUI.getWorkbench().getProgressService().runInUI(context, 
				new WorkbenchRunnableAdapter(op, op.getScheduleRule()),
				op.getScheduleRule());
			
			IMethod[] createdMethods= op.getCreatedAccessors();
			if (createdMethods.length > 0) {
				EditorUtility.revealInEditor(editor, createdMethods[0]);
			}		
		} catch (InvocationTargetException e) {
			String message= ActionMessages.getString("AddGetterSetterAction.error.actionfailed"); 
			ExceptionHandler.handle(e, getShell(), DIALOG_TITLE, message);
		} catch (InterruptedException e) {
			
		} finally {
			if (target != null) {
				target.endCompoundChange();
			}
		}
	}
	
	private void setOperationStatusFields(AddGetterSetterOperation op) {
		
		int flags= fVisibility;
		if (fSynchronized) {
			flags |= Flags.AccSynchronized;
		}
		if (fFinal) {
			flags |= Flags.AccFinal;
		}