def change_view(self, request, object_id, form_url='', extra_context=None):
"The 'change' admin view for this model."
model = self.model
opts = model._meta
obj = self.get_object(request, unquote(object_id))
if not self.has_change_permission(request, obj):
raise PermissionDenied
if obj is None:
raise Http404(
_('%(name)s object with primary key %(key)r does not exist.') %
{
'name': force_text(opts.verbose_name),
'key': escape(object_id)
})
if request.method == 'POST' and "_saveasnew" in request.POST:
return self.add_view(
request,
form_url=reverse('admin:%s_%s_add' %
(opts.app_label, opts.module_name),
current_app=self.admin_site.name))
ModelForm = self.get_form(request, obj)
formsets = []
inline_instances = self.get_inline_instances(request, obj)
if request.method == 'POST':
form = ModelForm(request.POST, request.FILES, instance=obj)
if form.is_valid():
form_validated = True
new_object = self.save_form(request, form, change=True)
else:
form_validated = False
new_object = obj
prefixes = {}
for FormSet, inline in self.get_formsets_with_inlines(
request, new_object):
prefix = FormSet.get_default_prefix()
prefixes[prefix] = prefixes.get(prefix, 0) + 1
if prefixes[prefix] != 1 or not prefix:
prefix = "%s-%s" % (prefix, prefixes[prefix])
formset = FormSet(request.POST,
request.FILES,
instance=new_object,
prefix=prefix,
queryset=inline.get_queryset(request))
formsets.append(formset)
if inline.inlines:
self.add_nested_inline_formsets(request, inline, formset)
if self.all_valid_with_nesting(formsets) and form_validated:
self.save_model(request, new_object, form, True)
self.save_related(request, form, formsets, True)
change_message = self.construct_change_message(
request, form, formsets)
self.log_change(request, new_object, change_message)
return self.response_change(request, new_object)
else:
form = ModelForm(instance=obj)
prefixes = {}
for FormSet, inline in self.get_formsets_with_inlines(
request, obj):
prefix = FormSet.get_default_prefix()
prefixes[prefix] = prefixes.get(prefix, 0) + 1
if prefixes[prefix] != 1 or not prefix:
prefix = "%s-%s" % (prefix, prefixes[prefix])
formset = FormSet(instance=obj,
prefix=prefix,
queryset=inline.get_queryset(request))
formsets.append(formset)
if inline.inlines:
self.add_nested_inline_formsets(request, inline, formset)
adminForm = AdminForm(form,
self.get_fieldsets(request, obj),
self.get_prepopulated_fields(request, obj),
self.get_readonly_fields(request, obj),
model_admin=self)
media = self.media + adminForm.media
inline_admin_formsets = []
for inline, formset in zip(inline_instances, formsets):
fieldsets = list(inline.get_fieldsets(request, obj))
readonly = list(inline.get_readonly_fields(request, obj))
prepopulated = dict(inline.get_prepopulated_fields(request, obj))
inline_admin_formset = InlineAdminFormSet(inline,
formset,
fieldsets,
prepopulated,
readonly,
model_admin=self)
inline_admin_formsets.append(inline_admin_formset)
media = media + inline_admin_formset.media
if inline.inlines:
media = media + self.wrap_nested_inline_formsets(
request, inline, formset)
context = {
'title': _('Change %s') % force_text(opts.verbose_name),
'adminform': adminForm,
'object_id': object_id,
'original': obj,
'is_popup': "_popup" in zip(request.POST.keys(),
request.GET.keys()),
'media': media,
'inline_admin_formsets': inline_admin_formsets,
'errors': AdminErrorList(form, formsets),
'app_label': opts.app_label,
'django_version_lt_1_6': DJANGO_VERSION < (1, 6)
}
context.update(extra_context or {})
return self.render_change_form(request,
context,
change=True,
obj=obj,
form_url=form_url)
def add_view(self, request, form_url='', extra_context=None):
"The 'add' admin view for this model."
model = self.model
opts = model._meta
if not self.has_add_permission(request):
raise PermissionDenied
ModelForm = self.get_form(request)
formsets = []
inline_instances = self.get_inline_instances(request, None)
if request.method == 'POST':
form = ModelForm(request.POST, request.FILES)
if form.is_valid():
new_object = self.save_form(request, form, change=False)
form_validated = True
else:
form_validated = False
new_object = self.model()
prefixes = {}
for FormSet, inline in self.get_formsets_with_inlines(request):
prefix = FormSet.get_default_prefix()
prefixes[prefix] = prefixes.get(prefix, 0) + 1
if prefixes[prefix] != 1 or not prefix:
prefix = "%s-%s" % (prefix, prefixes[prefix])
formset = FormSet(data=request.POST,
files=request.FILES,
instance=new_object,
save_as_new="_saveasnew" in request.POST,
prefix=prefix,
queryset=inline.get_queryset(request))
formsets.append(formset)
if inline.inlines:
self.add_nested_inline_formsets(request, inline, formset)
if self.all_valid_with_nesting(formsets) and form_validated:
self.save_model(request, new_object, form, False)
self.save_related(request, form, formsets, False)
change_message = self.construct_change_message(request,
form,
formsets,
add=True)
self.log_addition(request, new_object, change_message)
return self.response_add(request, new_object)
else:
# Prepare the dict of initial data from the request.
# We have to special-case M2Ms as a list of comma-separated PKs.
initial = dict(request.GET.items())
for k in initial:
try:
f = opts.get_field(k)
except models.FieldDoesNotExist:
continue
if isinstance(f, models.ManyToManyField):
initial[k] = initial[k].split(",")
form = ModelForm(initial=initial)
prefixes = {}
for FormSet, inline in self.get_formsets_with_inlines(request):
prefix = FormSet.get_default_prefix()
prefixes[prefix] = prefixes.get(prefix, 0) + 1
if prefixes[prefix] != 1 or not prefix:
prefix = "%s-%s" % (prefix, prefixes[prefix])
formset = FormSet(instance=self.model(),
prefix=prefix,
queryset=inline.get_queryset(request))
formsets.append(formset)
if inline.inlines:
self.add_nested_inline_formsets(request, inline, formset)
adminForm = AdminForm(form,
list(self.get_fieldsets(request)),
self.get_prepopulated_fields(request),
self.get_readonly_fields(request),
model_admin=self)
media = self.media + adminForm.media
inline_admin_formsets = []
for inline, formset in zip(inline_instances, formsets):
fieldsets = list(inline.get_fieldsets(request))
readonly = list(inline.get_readonly_fields(request))
prepopulated = dict(inline.get_prepopulated_fields(request))
inline_admin_formset = InlineAdminFormSet(inline,
formset,
fieldsets,
prepopulated,
readonly,
model_admin=self)
inline_admin_formsets.append(inline_admin_formset)
media = media + inline_admin_formset.media
if inline.inlines:
media = media + self.wrap_nested_inline_formsets(
request, inline, formset)
context = {
'title': _('Add %s') % force_text(opts.verbose_name),
'adminform': adminForm,
'is_popup': "_popup" in zip(request.POST.keys(),
request.GET.keys()),
'show_delete': False,
'media': media,
'inline_admin_formsets': inline_admin_formsets,
'errors': AdminErrorList(form, formsets),
'app_label': opts.app_label,
'django_version_lt_1_6': DJANGO_VERSION < (1, 6)
}
context.update(extra_context or {})
return self.render_change_form(request,
context,
form_url=form_url,
add=True)
