Hi,
I am creating a form for the user to add, edit, and remove all tags in the
database. The tag models are handled by taggit. The form will look like like
_Tag1_ [del]
_Tag2_ [del]
______ <--- User enters next tag here
[add tag]
Clicking add tag will fire some javascript to add a new text input to the
form. I trying to create this form in Django to handle the request. This is
what I have so far. I am curious if I am going about this the right way. It
all seems very... roundabout. Thoughts? One part that bothers me is I must
inspect the incoming data to decide how many form elements to create.
Coming from PHP, I would create form names with array notation (tags[pk] =
name) and iterate over the array during the request.
The existing_tag dictionary allows me to map form names to tag objects. The
new_tags list allows me to iterate over tag fields that must be created as
new tags.
class TagsForm(forms.Form):
def __init__(self, data=None, *args, **kwargs):
super(TagsForm, self).__init__(data, *args, **kwargs)
self.existing_tags = {}
self.new_tags = []
for tag in Tag.objects.all():
name = 'tag%i' % tag.pk
self.fields[name] = forms.CharField(
initial=tag.name,
required=False)
self.existing_tags[name] = tag
if data:
for name in data:
if name.startswith('newtags'):
self.fields[name] = forms.CharField(required=False)
self.new_tags.append(name)
else:
name = 'newtags'
self.fields[name] = forms.CharField(required=False)
self.new_tags.append(name)
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