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. Marius Gedminas -- As easy as 3.14159265358979323846264338327950288419716
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