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Re: [Springframework-rcp-dev] Tiger and Enums
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From: Jan H. <jh...@sc...> - 2008-01-25 10:07:57
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Visibility of createEnumSelectableItems() has changed to protected on
trunk.
Kind Regards,
Jan
On Wed, 2008-01-23 at 15:14 +0000, Benoit Xhenseval wrote:
> Hi Lieven,
>
> Thank you for your reply. I agree with you that sometimes not having all the enum messages will generate a rather nasty exception...
> My issue is slightly different in the sense that user X could see A,B,C but user Y could only see A,B. This is determined by the application.
> So the list of Enums that can be put in the combo varies.
>
> Unfortunately, TigerEnumComboBoxBinder.createEnumSelectableItems is private and cannot be overridden.
> I ended up have to overwrite the createListBinding.
>
> @Override
> protected AbstractListBinding createListBinding(final JComponent control, final FormModel formModel, final String formPropertyPath) {
> final ComboBoxBinding binding = (ComboBoxBinding) super.createListBinding(control, formModel, formPropertyPath);
> binding.setSelectableItems(createEnumSelectableItems(formModel, formPropertyPath));
> return binding;
> }
>
> private Enum[] createEnumSelectableItems(final FormModel formModel, final String formPropertyPath) {
> ... return my list of selectable items
> }
>
> I think it would be better if createEnumSelectableItems was protected.
>
>
> Thanks
>
> Regards
>
> Benoit.
>
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>
> -----Original Message-----
> From: spr...@li... [mailto:spr...@li...] On Behalf Of Lieven Doclo
> Sent: 23 January 2008 07:31
> To: spr...@li...
> Subject: Re: [Springframework-rcp-dev] Tiger and Enums
>
> Hi Benoit,
>
> I've also come across this problem. If the enum value that you don't
> want to show are consistent throughout your application, you could
> modify the enumcomboboxbinder to only show values for which you have
> provided a message. Then in your messages you omit the messages for the
> values you don't want to show.
>
> Something like this:
>
> @SuppressWarnings("unchecked")
> private List<Enum> createEnumSelectableItems(FormModel formModel,
> String formPropertyPath)
> {
> Class propertyType = getPropertyType(formModel, formPropertyPath);
> Class<Enum> enumPropertyType = propertyType;
> List<Enum> out = new ArrayList<Enum>();
>
> for (Enum e : enumPropertyType.getEnumConstants())
> {
> String desc = getMessage(enumPropertyType.getName() + "." +
> e.name());
> if (!StringUtils.isEmpty(desc))
> {
> out.add(e);
> }
> }
>
> // return enumPropertyType.getEnumConstants();
> return out;
> }
>
> and in your createListBinding of your ...Binder you use
>
> binding.setSelectableItems(createEnumSelectableItems(formModel,
> formPropertyPath));
>
> That's how I solved it. I had to rewrite TigerEnumComboboxBinder since
> message handling over here is a bit different than standard RCP.
>
> Grtz,
>
> Lieven
>
> Benoit Xhenseval schreef:
> > Hi,
> >
> >
> >
> > I love the TigerEnumComboBoxBinder and the automatic name formatting.
> >
> >
> >
> > I have however a case where the application must fill the combo box with
> > a SUB-SELECTION of the values of an enum…
> >
> > How could we do this? Please note that the sub-selection should be
> > dynamic and not specified in any xml,etc.
> >
> >
> >
> > I think that If the following method was overridable/protected, it would
> > be easier to achieve what I need:
> >
> > *private* Enum[] createEnumSelectableItems(FormModel formModel,
> > String formPropertyPath)
> >
> >
> >
> > Has anyone done this?
> >
> >
> >
> > Thanks & best regards
> >
> >
> >
> > Benoit
> >
> >
> >
> > ------------------------------
> >
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> >
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> > any form of distribution, copying or use of this communication or the
> > information in it is strictly prohibited and may be unlawful. If you
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> > and delete the original.
> >
> >
> >
> >
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