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django-admin-autocomplete-list-filter
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MA COME FACEVA A FUNZIONARE PRIMAAA!?!?!?!?

master
Guido Longoni 2021-07-25 11:41:28 +02:00
parent 891ca6a71d
commit ce6742c047
1 changed files with 10 additions and 28 deletions
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38
djaa_list_filter/admin.py
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@ -28,7 +28,6 @@ class AjaxAutocompleteSelectWidget(AutocompleteSelect):
self.model = kwargs.pop('model')
self.field_name = kwargs.pop('field_name')
kwargs.update(admin_site=self.model_admin.admin_site)
kwargs.update(field=getattr(self.model, self.field_name).field)
super().__init__(*args, **kwargs)
def render(self, name, value, attrs=None, renderer=None):
@ -46,16 +45,16 @@ class AjaxAutocompleteSelectWidget(AutocompleteSelect):
class AjaxAutocompleteListFilter(admin.RelatedFieldListFilter):
title = _('list filter')
parameter_name = '%s_%s__exact'
parameter_name = None
template = 'djaa_list_filter/admin/filter/autocomplete_list_filter.html'
def __init__(self, field, request, params, model, model_admin, field_path):
model = field.remote_field.model
super().__init__(field, request, params, model, model_admin, field_path)
qs_target_value = self.parameter_name % (field.name, model._meta.pk.name)
queryset = self.get_queryset_for_field(model, field.name)
qs_target_value = f'{field_path}__{model._meta.pk.name}__exact'
queryset = model.objects.get_queryset()
widget = AjaxAutocompleteSelectWidget(
model_admin=model_admin, model=model, field_name=field.name, qs_target_value=qs_target_value
model_admin=model_admin, model=model, field=field, field_name=field.name, qs_target_value=qs_target_value
)
class AutocompleteForm(forms.Form):
@ -68,33 +67,16 @@ class AjaxAutocompleteListFilter(admin.RelatedFieldListFilter):
initial_values.update(autocomplete_field=autocomplete_field_initial_value)
self.autocomplete_form = AutocompleteForm(initial=initial_values, prefix=field.name)
def get_queryset_for_field(self, model, name):
"""
Thanks to farhan0581
https://github.com/farhan0581/django-admin-autocomplete-filter/blob/master/admin_auto_filters/filters.py
"""
field_desc = getattr(model, name)
if isinstance(field_desc, ManyToManyDescriptor):
related_model = field_desc.rel.related_model if field_desc.reverse else field_desc.rel.model
elif isinstance(field_desc, ReverseManyToOneDescriptor):
related_model = field_desc.rel.related_model
else:
return field_desc.get_queryset()
return related_model.objects.get_queryset()
class AjaxAutocompleteListFilterModelAdmin(admin.ModelAdmin):
def get_list_filter(self, request):
list_filter = list(super().get_list_filter(request))
autocomplete_list_filter = self.get_autocomplete_list_filter()
def __init__(self, *args, **kwargs):
autocomplete_list_filter = list(getattr(self,'autocomplete_list_filter',[]))
list_filter = list(getattr(self,'list_filter',[]))
if autocomplete_list_filter:
for field in autocomplete_list_filter:
list_filter.append((field, AjaxAutocompleteListFilter))
return list_filter
def get_autocomplete_list_filter(self):
return list(getattr(self, 'autocomplete_list_filter', []))
self.list_filter = list_filter
super().__init__(*args, **kwargs)
class Media:
js = [