Hi Chris!
I don't think that's possible to achieve with t:submit.
However, a little JavaScript could do the job of submitting the form after
selecting a radio with something like this (untested and off the top of my
head) code:
<t:radiogroup t:id="service" t:value="prop:value">
<t:loop t:source="prop:buttons" t:value="prop:paneButton">
<t:radio t:value="prop:paneButton"
onchange="this.form.submit()">${prop:buttonLabel}</t:radio>
</t:loop>
</t:radiogroup>
Alternatively, you could use onclick, if clicking an already selected
option should also submit the form.
Another way would be a hidden field that is updated on a button click via
JS before submitting, if you want to use buttons instead of radios.
Cheers
Ben
On Thu, Jul 3, 2025 at 7:56 AM Christopher Dodunski (Tapestry) <
chrisfromtapes...@christopher.net.nz> wrote:
> Hi all,
>
> I have a simple but unusual use case for a Tapestry form, whereby its
> output will be one of 27 options: A to Z plus an asterisk (for all).
>
> Obviously I could take the conventional approach of using 27 radio
> buttons along with a submit button. This would require two clicks from
> the user. I figured, however, why not simply have 27 submit buttons so
> a selection can be made from a single click. This would require,
> however, each of the buttons having 'context' so I can know which button
> was clicked.
>
> Would Tapestry support a fieldless form such as this? As I've
> encountered some difficulty extracting the below context field from
> inside the code.
>
> A snippet from the TML:
>
> <t:loop source="buttons" value="paneButton">
> <input t:type="submit" t:id="tap" t:context="paneButton"
> t:defer="false" class="btn ${buttonStyling}" value="${buttonLabel}" />
> </t:loop>
>
> Kind regards,
>
> Chris.
>
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