Re: [Zope] Existence and truth
Paul Winkler wrote: On Tue, Nov 28, 2006 at 10:24:51PM +, Mark Barratt wrote: The radio inputs return name="listed" and value 0 or 1 If you change that radio input to name="listed:int" you'll get the behaviour you expect... cheers, Chris -- Simplistix - Content Management, Zope & Python Consulting - http://www.simplistix.co.uk ___ Zope maillist - Zope@zope.org http://mail.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope-dev )
Re: [Zope] Existence and truth
Mark Barratt wrote: Paul Winkler wrote: This kind of thing is usually a mistaken type assumption. I bet your radiobutton is setting it to "0" rather than 0. Thanks. Yes it was. But neither value=0 (which I think is invalid XHTML), nor value="" makes any difference. OK, solved. value="" actually works - some kind of cacheing issue seems to have misled me when first testing it. Again, thanks. Mark ___ Zope maillist - Zope@zope.org http://mail.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope-dev )
Re: [Zope] Existence and truth
Terry Brown wrote:
Hmmm, CGI only returns strings. Sometimes x*1 will give a number (0)
even if x is a string ("0")... but I would have said your example should
work...
Yes, that's what i would have thought . I'll move this to the
Plone users list - there may be some specific Plone evil involved,
though I don't see how.
Thanks for the input.
Mark Barratt
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Re: [Zope] Existence and truth
Hmmm, CGI only returns strings. Sometimes x*1 will give a number
(0) even if x is a string ("0")... but I would have said your
example should work...
Cheers -Terry
x
On Tue, 28 Nov 2006, Mark Barratt wrote:
Paul Winkler wrote:
This kind of thing is usually a mistaken type assumption.
I bet your radiobutton is setting it to "0" rather than 0.
Thanks. Yes it was. But neither value=0 (which I think is invalid XHTML), nor
value="" makes any difference.
Mark Barratt
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Re: [Zope] Existence and truth
Paul Winkler wrote: This kind of thing is usually a mistaken type assumption. I bet your radiobutton is setting it to "0" rather than 0. Thanks. Yes it was. But neither value=0 (which I think is invalid XHTML), nor value="" makes any difference. Mark Barratt ___ Zope maillist - Zope@zope.org http://mail.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope-dev )
Re: [Zope] Existence and truth
On Tue, Nov 28, 2006 at 10:24:51PM +, Mark Barratt wrote: > The radio inputs return name="listed" and value 0 or 1 > > This works OK, but in the radio input code, > > tal:attributes="checked python:test(listed,'checked',None); > > *always* returns 'checked' (snip) > So what basic fact/knowledge am I missing? This kind of thing is usually a mistaken type assumption. I bet your radiobutton is setting it to "0" rather than 0. -- Paul Winkler http://www.slinkp.com ___ Zope maillist - Zope@zope.org http://mail.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope-dev )
[Zope] Existence and truth
[profound subject: sorry the body may be less interesting]
This is so basic, but any help would be appreciated. It's also a Plone
site, but the problem is about basic tal behaviour so I hope it's
appropriate:
I have an attribute, 'listed' (a property of 'member') which I want the
user to be able to set or unset with a radio choice rather than by
checking or unchecking a checkbox, as provided in default join_form and
personalize_form.
In personalize_form, I define listed like this:
listed python:request.get('listed', member.getProperty('listed',''))
The radio inputs return name="listed" and value 0 or 1
This works OK, but in the radio input code,
tal:attributes="checked python:test(listed,'checked',None);
*always* returns 'checked'
and the second of these debug lines is *always* displayed, whether
listed is 0 or 1:
debug: value of listed, after define with getProperty=tal:content="listed">value
debug: this para should print if
listed is true, ie equals 1
Appendix C of the Zope Book says tal:condition tests for existence and
truth, and "missing variables, None, zero, empty strings, and empty
sequences false; all other values are true".
So what basic fact/knowledge am I missing?
Thanks
Mark Barratt
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