You might try:
<form:options items="${hostelSessionList}" itemValue="value" itemLabel="label"/>
Matt
On 9/16/07, arief <[EMAIL PROTECTED]> wrote:
>
> Hi Guys,
>
> I'm having similar problem (I guess) but not sure what went wrong.
> I'm using:
> - Appfuse 2.0 RC1 with basic Spring MVC
> - iBatis
>
> I tried using form:select where the path for form:select is the command's
> setter/getter and with it i'm using
> form:option (for displaying "Please select xxx") and form:options where all
> the dropdown list will come in. The list is made of appfuse's LabelValue
> class.The list came from referenceData.
>
> <form:select path="hostelSessionId">
> <form:option some stuff here>
> <form:options items="${hostelSessionList}" itemValue="id"
> itemLabel="name"/>
> </form:select>
>
> What happen whas.. the screen is not rendered at all. I got a blank screen
> when using this. But if replace the form:select&form:option with something
> else like form:input, i immediately can see the value coming from my
> backingObject being displayed.
>
> So, I guess my model does have data when it passed to the screen. But i
> wonder why form:select wont work.
> Any idea?
>
>
> Mike Horwitz wrote:
> >
> > On 8/7/07, syg6 <[EMAIL PROTECTED]> wrote:
> >>
> >>
> >> Thanks for the explanation, that cleared up a lot of questions I had.
> >> Have
> >> you ever considered writing your own documentation / book on Spring or
> >> Spring MVC? You'd be doing us all a favor!
> >
> >
> > Pleasure. Good news on the book front, it's already been done, although
> > not
> > by me! There is a list here: http://www.appfuse.org/display/APF/Spring
> >
> > In the end it worked with the code Absolut posted. The only glitch was
> > when
> >> I have a new PackageInspection it was choking saying my Inspector object
> >> was
> >> null. This was because I didn't initialize the
> >> PackageInspection.Inspector
> >> object in my constructor. Once I did that, all was well.
> >
> >
> > O.K.! As long as it works... ;-)
> >
> > For the moment it seems I do not need to create a Custom Property Editor;
> >> all CRUD operations are working a-ok. But something tells me I'll need to
> >> use them at some point (not really clear on what they do) so I'll have to
> >> look into it ...
> >>
> >> Many thanks for the timely help!
> >> Bob
> >>
> >>
> >> Michael Horwitz wrote:
> >> >
> >> > The select list tag needs several elements to work:
> >> >
> >> > 1) A collection of objects to populate the list (items)
> >> > 2) A property on each object in the collection used to populate the
> >> > corresponding option label (itemLabel)
> >> > 3) A property on each object in the collection used to populate the
> >> > corresponding option value (itemValue)
> >> > 3) The value currently set on your command object so that the
> >> appropriate
> >> > element in the collection can be marked as 'selected' (path).
> >> >
> >> > So the path performs two functions: it sets the name of the input, and
> >> it
> >> > tells the form which option in the select list should be marked as
> >> > 'selected'.
> >> >
> >> > Also worth noting, if you have not done so already, that you will most
> >> > likely need to register a custom property editor to handle your
> >> inspector
> >> > class (assuming the inspector is a class.....).
> >> >
> >> > Mike.
> >> >
> >> > On 8/6/07, syg6 <[EMAIL PROTECTED]> wrote:
> >> >>
> >> >>
> >> >> Excellent! That's the piece I was missing! I didn't know what to put
> >> for
> >> >> the
> >> >> path. I still don't think it's very intuitive. I thought path referred
> >> to
> >> >> a
> >> >> getter in your command object. Which I thought was quite limiting as
> >> you
> >> >> wouldn't be able to use it for other objects in the request. But now I
> >> >> see
> >> >> it can work with any old object. But I am curious why 'country.id' is
> >> >> used
> >> >> as the path. Is the path nothing more than the name of the form input
> >> id
> >> >> you
> >> >> send to the server when you submit?
> >> >>
> >> >> At any rate, I'll try it first thing in the morning at work.
> >> >>
> >> >> Many thanks!
> >> >>
> >> >> Bob
> >> >>
> >> >>
> >> >>
> >> >> Absolut wrote:
> >> >> >
> >> >> > It is possible to write a list of objects to the request in order to
> >> >> use
> >> >> > this values to populate a drop down.
> >> >> >
> >> >> > Here a short example code:
> >> >> >
> >> >> > SpringController:
> >> >> > ....
> >> >> > @Override
> >> >> > protected Map referenceData(HttpServletRequest request) throws
> >> >> > Exception {
> >> >> > Map<String, Object> model = new HashMap<String,
> >> >> Object>();
> >> >> > model.put("countryList", countryManager.getCountries
> >> ());
> >> >> > return model;
> >> >> > }
> >> >> > ....
> >> >> >
> >> >> > JSP:
> >> >> > <form:select path="country.id">
> >> >> > <form:options items="${countryList}" itemValue="id"
> >> >> itemLabel="name"/>
> >> >> > </form:select>
> >> >> >
> >> >> > Bye,
> >> >> >
> >> >> > Peter
> >> >> >
> >> >> >
> >> >> > -----Ursprüngliche Nachricht-----
> >> >> > Von: syg6 [mailto:[EMAIL PROTECTED]
> >> >> > Gesendet: Montag, 6. August 2007 15:07
> >> >> > An: [email protected]
> >> >> > Betreff: Re: [appfuse-user] AW: AW: Can I use form:select with data
> >> >> bound
> >> >> > using referenceDate()
> >> >> >
> >> >> >
> >> >> > Yes, I see that the problem is with the 'path' attribute.
> >> >> >
> >> >> > The problem is that I want to use the form:select tag with an object
> >> in
> >> >> > the
> >> >> > request, not my command object. Overriding the referenceData()
> >> method
> >> >> > causes
> >> >> > Spring to stick whatever data you load there in the request (I think
> >> >> ...).
> >> >> > It's that data that I want to use to populate my select.
> >> >> >
> >> >> > It is rightly not a part of the command object, but rather data from
> >> >> which
> >> >> > I
> >> >> > choose an Inspector. And that Inspector is assigned to my command
> >> >> object
> >> >> > when I submit.
> >> >> >
> >> >> > I am not opposed to using spring:bind, I just thought I could
> >> somehow
> >> >> tell
> >> >> > the form:select tag, 'oy! don't use the command object, use the
> >> >> request!'
> >> >> >
> >> >> > But I guess not ...
> >> >> >
> >> >> > Bob
> >> >> >
> >> >> >
> >> >> > Absolut wrote:
> >> >> >>
> >> >> >> It is possible to use a collection of objects generated in the
> >> >> >> referenceData method, I don't think that this the problem in your
> >> >> >> code.
> >> >> >> I think that you have a wrong value in your "path" attribute:
> >> >> >>
> >> >> >> If your command object has a setter called "setInspector(String
> >> >> >> inspector)", your form tag would look like <form:select
> >> >> >> path="inspector"
> >> >> >> items="${inspectors}" itemLabel="name" itemValue="id"/>
> >> >> >>
> >> >> >> Please take a close look at the "path" notation:
> >> >> >> The value must be the same as the corresponding setter / getter in
> >> >> >> your command object (...setInspector(...) / getInspector(...)->
> >> >> >> path="inspector"). In your example (1. mail), the value is
> >> >> >> "...path="inspectors"....". Maybe the "s" is wrong there...
> >> >> >>
> >> >> >>
> >> >> >> Bye,
> >> >> >>
> >> >> >> Peter
> >> >> >>
> >> >> >> PS: The error message corresponds to the "path" attribute, not to
> >> one
> >> >> >> of the other attributes (items, itemValue od itemLabel):
> >> >> >>>>Invalid property 'inspectors' of bean class
> >> >> >> [com.mycompany.myapp.model.PackageInspection]: Bean property
> >> >> >> >'inspectors'
> >> >> >> is not readable or has an invalid getter method
> >> >> >>
> >> >> >>
> >> >> >>
> >> >> >> -----Ursprüngliche Nachricht-----
> >> >> >> Von: syg6 [mailto:[EMAIL PROTECTED]
> >> >> >> Gesendet: Montag, 6. August 2007 14:49
> >> >> >> An: [email protected]
> >> >> >> Betreff: Re: [appfuse-user] AW: Can I use form:select with data
> >> bound
> >> >> >> using
> >> >> >> referenceDate()
> >> >> >>
> >> >> >>
> >> >> >> Hi Peter, thanks for the response,
> >> >> >>
> >> >> >> I read the reference guide already and unfortunately it only has
> >> one
> >> >> >> example, when your command object has a getter for the reference
> >> data
> >> >> >> you want to use to populate a Select. I don't have this option
> >> because
> >> >> >> my command object, PackageInspection, has exactly one Inspector,
> >> not
> >> a
> >> >> >> list of Inspectors.
> >> >> >>
> >> >> >> I would think this is a pretty normal thing to want to do, but it
> >> >> >> looks as if the form:select tag only works with objects within the
> >> >> >> command
> >> >> > object.
> >> >> >>
> >> >> >> Am I wrong about this?
> >> >> >>
> >> >> >> Cheers,
> >> >> >> Bob
> >> >> >>
> >> >> >>
> >> >> >> Absolut wrote:
> >> >> >>>
> >> >> >>> Hi Bob!
> >> >> >>>
> >> >> >>> I think the problem is the part ... path="inspectors"... It seems
> >> >> >>> that your command object of the type "PackageInspection" has no
> >> >> >>> property "inspectors"
> >> >> >>> (or no method "getInspectors()")
> >> >> >>>
> >> >> >>> There are many ohter possibilities how to generate an "select" tag
> >> >> >>> with the new Spring Taglib.
> >> >> >>> For more details i would recomend to read
> >> >> >>> "
> >> http://static.springframework.org/spring/docs/2.0.x/reference/mvc.ht
> >> >> >>> m
> >> >> >>> l#mvc-
> >> >> >>> formtaglib"
> >> >> >>>
> >> >> >>> Bye,
> >> >> >>>
> >> >> >>> Peter
> >> >> >>>
> >> >> >>> -----Ursprüngliche Nachricht-----
> >> >> >>> Von: syg6 [mailto:[EMAIL PROTECTED]
> >> >> >>> Gesendet: Montag, 6. August 2007 14:34
> >> >> >>> An: [email protected]
> >> >> >>> Betreff: [appfuse-user] Can I use form:select with data bound
> >> using
> >> >> >>> referenceDate()
> >> >> >>>
> >> >> >>>
> >> >> >>> All the posts I see, here on the AppFuse mailing list and all over
> >> >> >>> the net, use the old spring:bind tag. Can I use the Spring 2.0
> >> >> >>> form:select tag?
> >> >> >>>
> >> >> >>> I have implemented referenceData() in my XxFormController class,
> >> and
> >> >> >>> add a Map of Inspectors to the Model. But in the jsp, the
> >> following
> >> >> >>> code:
> >> >> >>>
> >> >> >>> <form:select path="inspectors"
> >> >> items="${inspectors}" itemLabel="name"
> >> >> >>> itemValue="id"/>
> >> >> >>>
> >> >> >>> gives me this:
> >> >> >>>
> >> >> >>>>Invalid property 'inspectors' of bean class
> >> >> >>> [com.mycompany.myapp.model.PackageInspection]: Bean property
> >> >> >>> >'inspectors'
> >> >> >>> is not readable or has an invalid getter method
> >> >> >>>
> >> >> >>> Ostensibly this is because Inspectors is not part of the 'command'
> >> >> >>> class, PackageInspection, but rather a list of Inspectors added to
> >> >> >>> the request via
> >> >> >>> referenceData() to populate a Select.
> >> >> >>>
> >> >> >>> Can I use the select tag or do I have to use the old bind tag?
> >> >> >>>
> >> >> >>> Thanks,
> >> >> >>> Bob
> >> >> >>> --
> >> >> >>> View this message in context:
> >> >> >>>
> >> http://www.nabble.com/Can-I-use-form%3Aselect-with-data-bound-using-r
> >> >> >>> e
> >> >> >>> ferenc
> >> >> >>> eDate%28%29-tf4223839s2369.html#a12015409
> >> >> >>> Sent from the AppFuse - User mailing list archive at Nabble.com.
> >> >> >>>
> >> >> >>>
> >> ---------------------------------------------------------------------
> >> >> >>> To unsubscribe, e-mail: [EMAIL PROTECTED]
> >> >> >>> For additional commands, e-mail: [EMAIL PROTECTED]
> >> >> >>>
> >> >> >>> No virus found in this incoming message.
> >> >> >>> Checked by AVG Free Edition.
> >> >> >>> Version: 7.5.476 / Virus Database: 269.11.6/938 - Release Date:
> >> >> >>> 05.08.2007
> >> >> >>> 16:16
> >> >> >>>
> >> >> >>>
> >> >> >>> No virus found in this outgoing message.
> >> >> >>> Checked by AVG Free Edition.
> >> >> >>> Version: 7.5.476 / Virus Database: 269.11.6/938 - Release Date:
> >> >> >>> 05.08.2007
> >> >> >>> 16:16
> >> >> >>>
> >> >> >>>
> >> >> >>>
> >> ---------------------------------------------------------------------
> >> >> >>> To unsubscribe, e-mail: [EMAIL PROTECTED]
> >> >> >>> For additional commands, e-mail: [EMAIL PROTECTED]
> >> >> >>>
> >> >> >>>
> >> >> >>>
> >> >> >>
> >> >> >> --
> >> >> >> View this message in context:
> >> >> >>
> >> http://www.nabble.com/Can-I-use-form%3Aselect-with-data-bound-using-re
> >> >> >> ferenc
> >> >> >> eDate%28%29-tf4223839s2369.html#a12015604
> >> >> >> Sent from the AppFuse - User mailing list archive at Nabble.com.
> >> >> >>
> >> >> >>
> >> ---------------------------------------------------------------------
> >> >> >> To unsubscribe, e-mail: [EMAIL PROTECTED]
> >> >> >> For additional commands, e-mail: [EMAIL PROTECTED]
> >> >> >>
> >> >> >> No virus found in this incoming message.
> >> >> >> Checked by AVG Free Edition.
> >> >> >> Version: 7.5.476 / Virus Database: 269.11.6/938 - Release Date:
> >> >> >> 05.08.2007
> >> >> >> 16:16
> >> >> >>
> >> >> >>
> >> >> >> No virus found in this outgoing message.
> >> >> >> Checked by AVG Free Edition.
> >> >> >> Version: 7.5.476 / Virus Database: 269.11.6/938 - Release Date:
> >> >> >> 05.08.2007
> >> >> >> 16:16
> >> >> >>
> >> >> >>
> >> >> >>
> >> ---------------------------------------------------------------------
> >> >> >> To unsubscribe, e-mail: [EMAIL PROTECTED]
> >> >> >> For additional commands, e-mail: [EMAIL PROTECTED]
> >> >> >>
> >> >> >>
> >> >> >>
> >> >> >
> >> >> > --
> >> >> > View this message in context:
> >> >> >
> >> >>
> >> http://www.nabble.com/Can-I-use-form%3Aselect-with-data-bound-using-referenc
> >> >> > eDate%28%29-tf4223839s2369.html#a12015922
> >> >> > Sent from the AppFuse - User mailing list archive at Nabble.com.
> >> >> >
> >> >> >
> >> ---------------------------------------------------------------------
> >> >> > To unsubscribe, e-mail: [EMAIL PROTECTED]
> >> >> > For additional commands, e-mail: [EMAIL PROTECTED]
> >> >> >
> >> >> > No virus found in this incoming message.
> >> >> > Checked by AVG Free Edition.
> >> >> > Version: 7.5.476 / Virus Database: 269.11.6/938 - Release Date:
> >> >> 05.08.2007
> >> >> > 16:16
> >> >> >
> >> >> >
> >> >> > No virus found in this outgoing message.
> >> >> > Checked by AVG Free Edition.
> >> >> > Version: 7.5.476 / Virus Database: 269.11.6/938 - Release Date:
> >> >> 05.08.2007
> >> >> > 16:16
> >> >> >
> >> >> >
> >> >> >
> >> ---------------------------------------------------------------------
> >> >> > To unsubscribe, e-mail: [EMAIL PROTECTED]
> >> >> > For additional commands, e-mail: [EMAIL PROTECTED]
> >> >> >
> >> >> >
> >> >> >
> >> >>
> >> >> --
> >> >> View this message in context:
> >> >>
> >> http://www.nabble.com/Can-I-use-form%3Aselect-with-data-bound-using-referenceDate%28%29-tf4223839s2369.html#a12022790
> >> >> Sent from the AppFuse - User mailing list archive at Nabble.com.
> >> >>
> >> >> ---------------------------------------------------------------------
> >> >> To unsubscribe, e-mail: [EMAIL PROTECTED]
> >> >> For additional commands, e-mail: [EMAIL PROTECTED]
> >> >>
> >> >>
> >> >
> >> >
> >>
> >> --
> >> View this message in context:
> >> http://www.nabble.com/Can-I-use-form%3Aselect-with-data-bound-using-referenceDate%28%29-tf4223839s2369.html#a12029565
> >> Sent from the AppFuse - User mailing list archive at Nabble.com.
> >>
> >> ---------------------------------------------------------------------
> >> To unsubscribe, e-mail: [EMAIL PROTECTED]
> >> For additional commands, e-mail: [EMAIL PROTECTED]
> >>
> >>
> >
> >
>
> --
> View this message in context:
> http://www.nabble.com/Can-I-use-form%3Aselect-with-data-bound-using-referenceDate%28%29-tf4223839s2369.html#a12726084
> Sent from the AppFuse - User mailing list archive at Nabble.com.
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: [EMAIL PROTECTED]
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>
>
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