def field_changed(request):
"""
Ajax callback called when a trigger field or base field has changed. Returns
html for new options and details for the dependent field as json.
"""
hashed_name = request.POST.get('hashed_name')
app_label, model_name, base_field_name = hashed_name.split('__')
model = apps.get_model(app_label, model_name)
obj = FlexSelectWidget.object_from_post(model, request.POST)
value_fk = getattr(obj, base_field_name)
admin_instance = admin.site._registry[obj.__class__]
base_field = next(f for f in obj._meta.fields if f.name == base_field_name)
widget = admin_instance.formfield_for_dbfield(
base_field,
request=request,
).widget.widget
if bool(int(request.POST['include_options'])):
if widget.choice_function:
choices = widget.choice_function(obj)
else:
choices = choices_from_instance(obj, widget)
args = [[value_fk.pk if value_fk else None]]
if DJANGO_VERSION < (1, 10, 0):
args.insert(0, [])
options = Select(choices=choices).render_options(*args)
else:
options = None
return HttpResponse(json.dumps({
'options': options,
'details': details_from_instance(obj, widget),
}), content_type='application/json')
def field_changed(request):
"""
Ajax callback called when a trigger field or base field has changed. Returns
html for new options and details for the dependent field as json.
"""
hashed_name = request.POST.__getitem__('hashed_name')
widget = FlexSelectWidget.instances[hashed_name]
instance = instance_from_request(request, widget)
try:
value_fk = getattr(instance, widget.base_field.name)
except:
value_fk = None
if bool(int(request.POST.__getitem__('include_options'))):
choices = choices_from_instance(instance, widget)
options = Select(choices=choices).render_options(
[], [value_fk.pk if value_fk else None])
else:
options = None
return HttpResponse(json.dumps({
'options':
options,
'details':
details_from_instance(instance, widget),
}),
content_type='application/json')
def field_changed(request):
"""
Ajax callback called when a trigger field or base field has changed.
Returns html for new options and details for the dependent field as json.
"""
hashed_name = request.POST.get('hashed_name')
app_label, model_name, base_field_name = hashed_name.split('__')
model = apps.get_model(app_label, model_name)
obj = FlexSelectWidget.object_from_post(model, request.POST)
try:
value_fk = getattr(obj, base_field_name)
except ObjectDoesNotExist:
value_fk = None
admin_instance = admin.site._registry[obj.__class__]
base_field = next(f for f in obj._meta.fields if f.name == base_field_name)
widget = admin_instance.formfield_for_dbfield(
base_field,
request=request,
).widget.widget
if bool(int(request.POST['include_options'])):
if widget.choice_function:
choices = widget.choice_function(obj)
else:
choices = choices_from_instance(obj, widget)
args = [[value_fk.pk if value_fk else None]]
if DJANGO_VERSION < (1, 10, 0):
args.insert(0, [])
if DJANGO_VERSION < (1, 11, 0):
options = Select(choices=choices).render_options(*args)
else:
# django 1.11 has introduced template rednering for widgets
widget.choices = choices
val = value_fk.pk if value_fk else None
options = widget.render_options_template(val, widget.attrs)
else:
options = None
return HttpResponse(json.dumps({
'options':
options,
'details':
details_from_instance(obj, widget),
}),
content_type='application/json')
def field_changed(request):
"""
Ajax callback called when a trigger field or base field has changed. Returns
html for new options and details for the dependent field as json.
"""
hashed_name = request.POST.__getitem__('hashed_name')
widget = FlexSelectWidget.instances[hashed_name]
instance = instance_from_request(request, widget)
if bool(int(request.POST.__getitem__('include_options'))):
choices = choices_from_instance(instance, widget)
options = Select(choices=choices).render_options([], [])
else:
options = None
return HttpResponse(json.dumps({
'options': options,
'details': details_from_instance(instance, widget),
}), mimetype='application/json')
def field_changed(request):
"""
Ajax callback called when a trigger field or base field has changed. Returns
html for new options and details for the dependent field as json.
"""
hashed_name = request.POST.__getitem__('hashed_name')
widget = FlexSelectWidget.instances[hashed_name]
instance = instance_from_request(request, widget)
if bool(int(request.POST.__getitem__('include_options'))):
choices = choices_from_instance(instance, widget)
options = CustomSelectWidget(choices=choices).render_options([], [])
else:
options = None
return HttpResponse(
json.dumps({
'options': options,
'details': details_from_instance(instance, widget),
}))
def field_changed(request):
"""
Ajax callback called when a trigger field or base field has changed. Returns
html for new options and details for the dependent field as json.
"""
hashed_name = request.POST.__getitem__('hashed_name')
# if hashed_name in FlexSelectWidget.__class__.instances:
widget = Storage().__class__.instances[hashed_name]
instance = instance_from_request(request, widget)
try:
value_fk = getattr(instance, widget.base_field.name)
except Exception:
value_fk = None
if bool(int(request.POST.__getitem__('include_options'))):
choices = choices_from_instance(instance, widget)
options = Select(choices=choices).render_options([], [value_fk.pk if value_fk else None])
else:
options = None
return HttpResponse(json.dumps({
'options' : options,
'details': details_from_instance(instance, widget),
}), mimetype='application/json')