Validate blank checkbox

I'm trying to use a checkbox as a verification of the user's selection of a radio button on the instantiation form. If any of four of the five radio buttons available are checked, I don't care whether the checkbox is selected or not. However, if the fifth radio button is checked, then I want to make sure that the user wants to proceed, and require the checkbox be selected.

I've been struggling with valid_input, and even trying to change the is_required attribute of the checkbox. The issue seems to be that checkboxes don't get processed through the valid_input check if none of a set are selected. When the checkbox is selected, any radio button input is accepted, which is like, duh. If I reverse the logic of the validation function, I get the appropriate failures when the checkbox is selected, but I get nothing whenever it is left unselected.

I'm getting close to changing the checkbox to a yes/no pair of radio buttons with "no" being the default. Not as elegant, but I would then always have a value so the validation would occur. A single radio button for "yes" would put me in the same situation as the checkbox, without the desired ability to deselect.

Any ideas? I'm even open to other ways to accomplish this.

Dan

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ISCBorisB

Any ideas? I'm even open to other ways to accomplish this.

Dan

Option One, supported:
Allow your Editor to enter whatever s/he wants. Start with CGI task to do extra user input and validation.
Transition to "endtask" if needed.

Option Two, Hack it if you want:

...
my $js = <<END_JS;
<script type="text/javascript">
...Your JS Code...
</script>
END_JS

CGI_info(
   html_body_options => "onLoad='modify_code_to_intercept_submit();'",
   post_tagtable_html => $js,
);

TAG_info(
   ...
);

just my 2 cents

Dan_O

ISCBorisB,

Thanks for the suggestion, but I seem to recall reading somewhere that there were issues to be aware of regarding starting off a workflow with a CGI task. Are you aware of what those might be, and how they might affect the method you mention?

Dan

Adam Stoller

ISCBorisB,

Thanks for the suggestion, but I seem to recall reading somewhere that there were issues to be aware of regarding starting off a workflow with a CGI task. Are you aware of what those might be, and how they might affect the method you mention?

Dan

There should be no issues with starting a workflow with a cgitask - but it works best if the owner of the cgitask is the user who kicked off the workflow and you have the immediate="t" attribute set.