def get_form(self, request, obj=None, **kwargs):
"""
Get PageForm for the Page model and modify its fields depending on
the request.
"""
form = super(M2MPlaceholderAdmin,
self).get_form(request, obj, **kwargs)
if obj:
for placeholder_name in obj._meta.get_field(
'placeholders').placeholders:
placeholder, created = obj.placeholders.get_or_create(
slot=placeholder_name)
defaults = {
'label': capfirst(placeholder_name),
'help_text': ''
}
defaults.update(kwargs)
widget = PlaceholderPluginEditorWidget(
request, self.placeholder_plugin_filter)
widget.choices = []
form.base_fields[placeholder.slot] = CharField(widget=widget,
required=False)
form.base_fields[placeholder.slot].initial = placeholder.pk
return form
def formfield_for_admin(self, request, filter_func, **kwargs):
defaults = {
'label': capfirst(self.verbose_name),
'help_text': self.help_text
}
defaults.update(kwargs)
widget = PlaceholderPluginEditorWidget(request, filter_func)
widget.choices = []
return PlaceholderFormField(required=False, widget=widget, **defaults)
