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.
> >>>
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> >>> 16:16
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> >>
> >> --
> >> View this message in context:
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> >> ferenc
> >> eDate%28%29-tf4223839s2369.html#a12015604
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> >>
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> >>
> >
> > --
> > 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.
> >
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> > Checked by AVG Free Edition.
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> 05.08.2007
> > 16:16
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> > Checked by AVG Free Edition.
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> 05.08.2007
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