Making member properties compulsory

To all who care for member properties....

In a previous message, I described how to add custom memberdata properties
to the Plone system. These are the properties that every Member can edit by
going to "my preferences" /  "Personal Preferences". As a sample, I added
the "gender" property. What was missing was: how to make these compulsory -
meaning that if a user doesn't specify a value, he will get a nice error
message when he tries to save his input, prompting him to specify the
missing property.

So, I made the "gender" property compulsory. In order to test it, go to
http://www.vasudevaserver.org:7091/Dhyani, log in and go to my preferences /
Personal Preferences. Then try to be neutral - choose the empty option in
the Gender dropdown. Click on Save. See what happens.

Next, I tried to edit my previous How-To that Priyadarshan had made into a
fishbowl entry, so that in its last step it would be explained how to make
the new property compulsory. Unfortunately, I can't find it there anymore!
Something must have changed there considerably. Priyadarshan, could you
please add the following description to this How-To, and also tell me where
I can find it? Thanks!

*************************************************
Step xxx: How to make the gender property compulsory:
*************************************************

Go to portal_skins/custom/personalize_form and click on the Validation tab.
In the Section "Edit Default Validators", where you see the string
"validate_emailaddr, validate_personalize", insert validate_gender:
validate_emailaddr, validate_personalize, validate_gender
Click on "Save"!

Now go to the script portal_skins/plone_form_scripts/validate_emailaddr,
click on Customize, then go to portal_skins/custom and rename this script to
validate_gender. Go inside this script and change the title to "Validates
gender" (instead of "Validates an email") and the Parameter List to
gender='' (instead of email=''). Then delete all its code and insert the
following instead:

reg_tool=context.portal_registration
def invalid(field):
    state.setError('gender', 'You did not enter a gender.',
'invalid_gender')
if gender:
    pass
else:
    invalid('gender')
if state.getErrors():
    return state.set(status='failure', portal_status_message='Please correct
the indicated errors.')
else:
    return state

And do not forget to have the following attribute set in the field
definition of the gender (inside personalize_form):
tal:attributes="class python:test(error, 'field error', 'field')"



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