Am Donnerstag 28 August 2008 02:35:28 schrieb Marius Gedminas: > On Wed, Aug 27, 2008 at 05:15:48PM -0700, Stephan Richter wrote: > > On Wednesday 27 August 2008, Martin Aspeli wrote: > > > This means that if the request contains the empty-marker only (no > > > selection was made) for a checkbox widget (say), then the return value > > > is [], rather than default (NOVALUE). > > > > > > Is that a bug? I have a custom checkbox widget derived from the > > > standard checkbox widget, (z3c.formwidget.query, in fact), and I never > > > get any "required missing" exceptions, even when I untick all the > > > checkboxes and click OK. > > > > > > Am I missing something? > > > > I think you have a point. Have you tried changing the behavior to > > return "default" and see what tests fail? If no major failures come out > > of this, I would say change it. > > Wait a second, maybe I'm misunderstanding this, but I certainly oppose > any change that would make an unchecked checkbox an error during form > validation. > > A required Bool field can have two values: True or False. One is > represented by a checked checkbox, the other by an unchecked checkbox. > An unchecked checkbox is not missing input and should not trigger > "required missing" errors.
I see this the same way - in my application I have a similar case (Accept some policy by a checkbox-click). I solved this simply by checking the value in the action handler and raising a WidgetExecutionError if it is unchecked. Best Regards, Hermann -- [EMAIL PROTECTED] GPG key ID: 299893C7 (on keyservers) FP: 0124 2584 8809 EF2A DBF9 4902 64B4 D16B 2998 93C7 _______________________________________________ Zope-Dev maillist - Zope-Dev@zope.org http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )
