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use get_fields hook

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This commit is contained in:
Misha Kalyna 2019-05-29 12:16:36 +02:00
parent 36dec21b43
commit ae26aa0994
2 changed files with 12 additions and 14 deletions
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6
docs/modeltranslation/admin.rst
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@ -38,11 +38,11 @@ method does the following:
translation field required instead.
get_form/get_fieldsets/_declared_fieldsets
get_form/get_fieldsets
******************************************
In addition the ``TranslationBaseModelAdmin`` class overrides ``get_form``,
``get_fieldsets`` and ``_declared_fieldsets`` to make the options ``fields``,
In addition the ``TranslationBaseModelAdmin`` class overrides ``get_form`` and
``get_fieldsets`` to make the options ``fields``,
``exclude`` and ``fieldsets`` work in a transparent way. It basically does:
1. Removes the original field from every admin form by adding it to

20
modeltranslation/admin.py
View file

@ -25,16 +25,15 @@ class TranslationBaseModelAdmin(BaseModelAdmin):
self.trans_opts = translator.get_options_for_model(self.model)
self._patch_prepopulated_fields()
def _declared_fieldsets(self):
def _get_declared_fieldsets(self, request, obj=None):
# Take custom modelform fields option into account
if not self.fields and hasattr(self.form, '_meta') and self.form._meta.fields:
self.fields = self.form._meta.fields
if self.fieldsets:
return self._patch_fieldsets(self.fieldsets)
elif self.fields:
return [(None, {'fields': self.replace_orig_field(self.fields)})]
return [(None, {'fields': self.replace_orig_field(self.get_fields(request, obj))})]
return None
declared_fieldsets = property(_declared_fieldsets)
def formfield_for_dbfield(self, db_field, **kwargs):
field = super(TranslationBaseModelAdmin, self).formfield_for_dbfield(db_field, **kwargs)
@ -198,12 +197,12 @@ class TranslationBaseModelAdmin(BaseModelAdmin):
return kwargs
def _get_fieldsets_pre_form_or_formset(self):
def _get_fieldsets_pre_form_or_formset(self, request, obj=None):
"""
Generic get_fieldsets code, shared by
TranslationAdmin and TranslationInlineModelAdmin.
"""
return self._declared_fieldsets()
return self._get_declared_fieldsets(request, obj)
def _get_fieldsets_post_form_or_formset(self, request, form, obj=None):
"""
@ -266,7 +265,7 @@ class TranslationAdmin(TranslationBaseModelAdmin, admin.ModelAdmin):
# setting TranslationAdmin.group_fieldsets to True. If the admin class
# already defines a fieldset, we leave it alone and assume the author
# has done whatever grouping for translated fields they desire.
if not self.declared_fieldsets and self.group_fieldsets is True:
if self.group_fieldsets is True:
flattened_fieldsets = flatten_fieldsets(fieldsets)
# Create a fieldset to group each translated field's localized fields
@ -314,9 +313,7 @@ class TranslationAdmin(TranslationBaseModelAdmin, admin.ModelAdmin):
return super(TranslationAdmin, self).get_form(request, obj, **kwargs)
def get_fieldsets(self, request, obj=None):
if self.declared_fieldsets:
return self._get_fieldsets_pre_form_or_formset()
return self._group_fieldsets(
return self._get_fieldsets_pre_form_or_formset(request, obj) or self._group_fieldsets(
self._get_fieldsets_post_form_or_formset(
request, self.get_form(request, obj, fields=None), obj))
@ -330,8 +327,9 @@ class TranslationInlineModelAdmin(TranslationBaseModelAdmin, InlineModelAdmin):
# FIXME: If fieldsets are declared on an inline some kind of ghost
# fieldset line with just the original model verbose_name of the model
# is displayed above the new fieldsets.
if self.declared_fieldsets:
return self._get_fieldsets_pre_form_or_formset()
declared_fieldsets = self._get_fieldsets_pre_form_or_formset(request, obj)
if declared_fieldsets:
return declared_fieldsets
form = self.get_formset(request, obj, fields=None).form
return self._get_fieldsets_post_form_or_formset(request, form, obj)