[T4] Modifying RadioGroup

2008-02-05 Thread Andrew Ingram

I'm trying to use radio options in the following way:

pseudo-html:

tr
tdradiogroup1 option 1 //td
tdradiogroup2 option 1 //td
/tr
tr
tdradiogroup1 option 2 //td
tdradiogroup2 option 2 //td
/tr

This doesn't work with Tapestry's RadioGroup component because there's 
no way of wrapping a RadioGroup around the related radio fields without 
wrapping the other.


I tried the obvious approach of overriding Radio to allow me to specify 
the RadioGroup to use as a parameter rather than requiring it to be 
nested. To do this I changed the first line of Radio's renderComponent 
to get a supplied RadioGroup rather than the one from the cycle.


This is the only change I made, but I get this error:

Property 'rewinding' of [RadioGroup Instance] may only be accessed 
while the component is rendering.


Does anyone have any idea how I can solve this problem? I had expected 
it to be something quite easy to do and it's already taken far longer 
than I'd hoped.


Regards,
Andrew Ingram

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Re: [T4] Modifying RadioGroup

2008-02-05 Thread Andrew Ingram

Hi Dario,

That only works if there's only one RadioGroup, the problem is that the 
first RadioGroup needs to refer only to the first column of Radios in 
the table, whilst the second needs to refer only to the second column. 
Since Radios have to be inside RadioGroups and RadioGroups can't be 
nested I can't see any way to do this without rewriting how these things 
work (which I attempted but hit the problem outlined in my first message).


Regards,
Andrew

Darío Vasconcelos wrote:

Hi Andrew,

if you start the RadioGroup in an invisible spot, it will render
correctly, as in

span jwcid=@RadioGroup
  tr
tdradiogroup1 option 1 //td
tdradiogroup2 option 1 //td
  /tr
  tr
tdradiogroup1 option 2 //td
tdradiogroup2 option 2 //td
  /tr
/span

or at least that's the case with lightly formatted tables...

Regards,

Dario


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Re: [T4] Modifying RadioGroup

2008-02-05 Thread Darío Vasconcelos
Hi Andrew,

if you start the RadioGroup in an invisible spot, it will render
correctly, as in

span jwcid=@RadioGroup
  tr
tdradiogroup1 option 1 //td
tdradiogroup2 option 1 //td
  /tr
  tr
tdradiogroup1 option 2 //td
tdradiogroup2 option 2 //td
  /tr
/span

or at least that's the case with lightly formatted tables...

Regards,

Dario

On Feb 5, 2008 7:54 AM, Andrew Ingram [EMAIL PROTECTED] wrote:

 I'm trying to use radio options in the following way:

 pseudo-html:

 tr
 tdradiogroup1 option 1 //td
 tdradiogroup2 option 1 //td
 /tr
 tr
 tdradiogroup1 option 2 //td
 tdradiogroup2 option 2 //td
 /tr

 This doesn't work with Tapestry's RadioGroup component because there's
 no way of wrapping a RadioGroup around the related radio fields without
 wrapping the other.

 I tried the obvious approach of overriding Radio to allow me to specify
 the RadioGroup to use as a parameter rather than requiring it to be
 nested. To do this I changed the first line of Radio's renderComponent
 to get a supplied RadioGroup rather than the one from the cycle.

 This is the only change I made, but I get this error:

 Property 'rewinding' of [RadioGroup Instance] may only be accessed
 while the component is rendering.

 Does anyone have any idea how I can solve this problem? I had expected
 it to be something quite easy to do and it's already taken far longer
 than I'd hoped.

 Regards,
 Andrew Ingram

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