[Not quite sure where the right place is to post this]
The general problem is that I would like to change the default output of
forms across my site to have a consistent presentation that isn't of one
as_p(), as_table(), or as_ul(). What I wanted to do was to add a quick
function as_div() as a mixin helper class that would give me standard
output across all of the forms on my site.
The challenge - Forms allow for some level of customization, but only
via the self._html_output(...) operation, turns out that when you dig
into this you run into two problems.
1. The only way to create forms is with formatted print specifiers,
which don't allow for "optional" tag generation based on
information availability (e.g. errors, help)
2. If you wanted to create your own _html_output() method -- via
cut-n-paste -- you quickly discover that class BoundForm() is not
exported from django.forms. Which means that you now need to
cut-n-paste that out as well.
Proposal - Allow for the extension (mixin) of the forms via the
following methods:
def _gen_normal(self, normal_row, **kwargs) :
return normal_row % kwargs
def _gen_error(self, error_row, toperrors) :
return error_row % force_unicode(toperrors))
.. inside _html_output(...) change the formated prints to things like ..
output.append(self._gen_normal(errors=force_unicode(bf_errors),
label= force_unicode(label),
field= unicode(bf),
help_text= help_text,
html_class_attr=
html_class_attr))
output.insert(0, self._gen_error(error_row, top_errors))
That way if you wanted to have custom output for a form you could write
something like:
def _gen_normal(self, **kwargs) :
parts = [
u'<div%(html_class_attr)s>' % kwargs,
u'%(label)s%(errors)s<div>%(field)s</div>' % kwargs,
]
if kwargs['help_text'] :
parts.append('<div><small>%s</small></div>' %
kwargs['help_text'])
parts.append('</div>')
return ''.join(parts)
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