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Posted to user@struts.apache.org by Gunnar Hillert <gu...@hillert.com> on 2007/11/24 05:21:27 UTC
Issue with Type Conversion and Select Boxes
Hi,
I am using Struts 2.0.11.
I am running into an issue when using type converters and pre-populating
corresponding select boxes. I defined a type converter in
xwork-conversion.properties and everything works for normal text fields
(converter is called perfectly). The problem I have occurs when
pre-populating select boxes.
Let's assume that I have a class Foo that has a field 'id'. In my converter
method 'convertToString' will return a String representation of the id field
(integer) and method 'convertFromString' will set the 'id' field of Foo.
This works fine for text fields (I know the setup may not make perfect
business sense but I hope it illustrates the problem)
Let's further assume that I have a select box with a list of Foos.
<s:select list="foos" name="foo">
To illustrate my propblem I left off the attributes 'listValue' and
'listKey'. In this particuliar case shouldn't the type converter
(implicitly) be called for both value and key?
Unfortunately the converter is only called for the 'labels'. The 'values'
are retrieved by calling toString() on the Foo class which I did not
anticipate to happen.
As another work-around I tried this:
<s:select list="foos" name="foo" listKey="id">
Now my list of foos is populated correctly BUT no value in the select box is
pre-selected, although the field 'foo' has a matching entry in 'foos'. I am
assuming that the problem might be that name="foo" is using the converter
and the key is populated by calling foo.getId() and therefore returning an
integer?
Is this possibly an issue and worth opening a Jira ticket or do I miss
something here in my setup?
Thanks a lot in advance!
Regards,
Gunnar Hillert
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Re: Issue with Type Conversion and Select Boxes
Posted by mg...@hotmail.com.
Hi Gunnar-
Are you implementing with com.opensymphony.xwork2.ValidationAwareSupport..if
so could you post the code?
Also Could you post struts.xml, struts-validation.xml and any
ActionClass-validation.xml as well as struts-conversion.xml?
Also in struts-default.xml please display the interceptor defined for
conversionError
Thanks
Martin-
----- Original Message -----
Wrom: GSWZIDREXCAXZOWCONEUQZAAFXISHJEXXIMQZ
To: <us...@struts.apache.org>
Sent: Monday, November 26, 2007 9:20 PM
Subject: RE: Issue with Type Conversion and Select Boxes
>
> Thanks for your answer. But my issue quite Struts2 specific. Also, it
works
> quite well if I don't use struts 2 type converters (and specify
> listKey/listValue explicitly in that case).
>
> Gunnar
>
>
> mgainty wrote:
> >
> >
> > I dont believe that is not necessary for V1
> > ashttp://struts.apache.org/1.x/struts-taglib/tagreference.html#select
> > suggests 'value' as the name to compare for marking the option as
> > *selected*
> > If the preselection has not changed for V2..then I would suggest using
the
> > value attribute as preselected
> > Martin______________________________________________Disclaimer and
> > confidentiality noteEverything in this e-mail and any attachments
relates
> > to the official business of Sender. This transmission is of a
confidential
> > nature and Sender does not endorse distribution to any party other than
> > intended recipient. Sender does not necessarily endorse content
contained
> > within this transmission.> > > Hi,> > I am using Struts 2.0.11.> > I am
> > running into an issue when using type converters and pre-populating>
> > corresponding select boxes. I defined a type converter in>
> > xwork-conversion.properties and everything works for normal text fields>
> > (converter is called perfectly). The problem I have occurs when>
> > pre-populating select boxes. > > Let's assume that I have a class Foo
that
> > has a field 'id'. In my converter> method 'convertToString' will return
a
> > String representation of the id field> (integer) and method
> > 'convertFromString' will set the 'id' field of Foo.> > This works fine
for
> > text fields (I know the setup may not make perfect> business sense but I
> > hope it illustrates the problem)> > Let's further assume that I have a
> > select box with a list of Foos. > > <s:select list="foos" name="foo">> >
> > To illustrate my propblem I left off the attributes 'listValue' and>
> > 'listKey'. In this particuliar case shouldn't the type converter>
> > (implicitly) be called for both value and key?> > Unfortunately the
> > converter is only called for the 'labels'. The 'values'> are retrieved
by
> > calling toString() on the Foo class which I did not> anticipate to
> > happen.> > As another work-around I tried this: > > <s:select
list="foos"
> > name="foo" listKey="id">> > Now my list of foos is populated correctly
BUT
> > no value in the select box is> pre-selected, although the field 'foo'
has
> > a matching entry in 'foos'. I am> assuming that the problem might be
that
> > name="foo" is using the converter> and the key is populated by calling
> > foo.getId() and therefore returning an> integer?> > Is this possibly an
> > issue and worth opening a Jira ticket or do I miss> something here in my
> > setup?> > Thanks a lot in advance!> > Regards,> > Gunnar Hillert> > > >
>
> > > > > > > > > -- > View this message in context:
> >
http://www.nabble.com/Issue-with-Type-Conversion-and-Select-Boxes-tf4864875.
html#a13921943>
> > Sent from the Struts - User mailing list archive at Nabble.com.> > >
> > --------------------------------------------------------------------->
To
> > unsubscribe, e-mail: user-unsubscribe@struts.apache.org> For additional
> > commands, e-mail: user-help@struts.apache.org>
> > _________________________________________________________________
> > Connect and share in new ways with Windows Live.
> >
http://www.windowslive.com/connect.html?ocid=TXT_TAGLM_Wave2_newways_112007
> >
>
> --
> View this message in context:
http://www.nabble.com/-S2--Issue-with-Type-Conversion-and-Select-Boxes-tf486
4875.html#a13963484
> Sent from the Struts - User mailing list archive at Nabble.com.
>
>
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RE: Issue with Type Conversion and Select Boxes
Posted by Gunnar Hillert <gu...@hillert.com>.
Thanks for your answer. But my issue quite Struts2 specific. Also, it works
quite well if I don't use struts 2 type converters (and specify
listKey/listValue explicitly in that case).
Gunnar
mgainty wrote:
>
>
> I dont believe that is not necessary for V1
> ashttp://struts.apache.org/1.x/struts-taglib/tagreference.html#select
> suggests 'value' as the name to compare for marking the option as
> *selected*
> If the preselection has not changed for V2..then I would suggest using the
> value attribute as preselected
> Martin______________________________________________Disclaimer and
> confidentiality noteEverything in this e-mail and any attachments relates
> to the official business of Sender. This transmission is of a confidential
> nature and Sender does not endorse distribution to any party other than
> intended recipient. Sender does not necessarily endorse content contained
> within this transmission.> > > Hi,> > I am using Struts 2.0.11.> > I am
> running into an issue when using type converters and pre-populating>
> corresponding select boxes. I defined a type converter in>
> xwork-conversion.properties and everything works for normal text fields>
> (converter is called perfectly). The problem I have occurs when>
> pre-populating select boxes. > > Let's assume that I have a class Foo that
> has a field 'id'. In my converter> method 'convertToString' will return a
> String representation of the id field> (integer) and method
> 'convertFromString' will set the 'id' field of Foo.> > This works fine for
> text fields (I know the setup may not make perfect> business sense but I
> hope it illustrates the problem)> > Let's further assume that I have a
> select box with a list of Foos. > > <s:select list="foos" name="foo">> >
> To illustrate my propblem I left off the attributes 'listValue' and>
> 'listKey'. In this particuliar case shouldn't the type converter>
> (implicitly) be called for both value and key?> > Unfortunately the
> converter is only called for the 'labels'. The 'values'> are retrieved by
> calling toString() on the Foo class which I did not> anticipate to
> happen.> > As another work-around I tried this: > > <s:select list="foos"
> name="foo" listKey="id">> > Now my list of foos is populated correctly BUT
> no value in the select box is> pre-selected, although the field 'foo' has
> a matching entry in 'foos'. I am> assuming that the problem might be that
> name="foo" is using the converter> and the key is populated by calling
> foo.getId() and therefore returning an> integer?> > Is this possibly an
> issue and worth opening a Jira ticket or do I miss> something here in my
> setup?> > Thanks a lot in advance!> > Regards,> > Gunnar Hillert> > > > >
> > > > > > > > -- > View this message in context:
> http://www.nabble.com/Issue-with-Type-Conversion-and-Select-Boxes-tf4864875.html#a13921943>
> Sent from the Struts - User mailing list archive at Nabble.com.> > >
> ---------------------------------------------------------------------> To
> unsubscribe, e-mail: user-unsubscribe@struts.apache.org> For additional
> commands, e-mail: user-help@struts.apache.org>
> _________________________________________________________________
> Connect and share in new ways with Windows Live.
> http://www.windowslive.com/connect.html?ocid=TXT_TAGLM_Wave2_newways_112007
>
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RE: Issue with Type Conversion and Select Boxes
Posted by Martin Gainty <mg...@hotmail.com>.
I dont believe that is not necessary for V1 ashttp://struts.apache.org/1.x/struts-taglib/tagreference.html#select suggests 'value' as the name to compare for marking the option as *selected*
If the preselection has not changed for V2..then I would suggest using the value attribute as preselected
Martin______________________________________________Disclaimer and confidentiality noteEverything in this e-mail and any attachments relates to the official business of Sender. This transmission is of a confidential nature and Sender does not endorse distribution to any party other than intended recipient. Sender does not necessarily endorse content contained within this transmission.> > > Hi,> > I am using Struts 2.0.11.> > I am running into an issue when using type converters and pre-populating> corresponding select boxes. I defined a type converter in> xwork-conversion.properties and everything works for normal text fields> (converter is called perfectly). The problem I have occurs when> pre-populating select boxes. > > Let's assume that I have a class Foo that has a field 'id'. In my converter> method 'convertToString' will return a String representation of the id field> (integer) and method 'convertFromString' will set the 'id' field of Foo.> > This works fine for text fields (I know the setup may not make perfect> business sense but I hope it illustrates the problem)> > Let's further assume that I have a select box with a list of Foos. > > <s:select list="foos" name="foo">> > To illustrate my propblem I left off the attributes 'listValue' and> 'listKey'. In this particuliar case shouldn't the type converter> (implicitly) be called for both value and key?> > Unfortunately the converter is only called for the 'labels'. The 'values'> are retrieved by calling toString() on the Foo class which I did not> anticipate to happen.> > As another work-around I tried this: > > <s:select list="foos" name="foo" listKey="id">> > Now my list of foos is populated correctly BUT no value in the select box is> pre-selected, although the field 'foo' has a matching entry in 'foos'. I am> assuming that the problem might be that name="foo" is using the converter> and the key is populated by calling foo.getId() and therefore returning an> integer?> > Is this possibly an issue and worth opening a Jira ticket or do I miss> something here in my setup?> > Thanks a lot in advance!> > Regards,> > Gunnar Hillert> > > > > > > > > > > > -- > View this message in context: http://www.nabble.com/Issue-with-Type-Conversion-and-Select-Boxes-tf4864875.html#a13921943> Sent from the Struts - User mailing list archive at Nabble.com.> > > ---------------------------------------------------------------------> To unsubscribe, e-mail: user-unsubscribe@struts.apache.org> For additional commands, e-mail: user-help@struts.apache.org>
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