77 lines
3.0 KiB
Python
77 lines
3.0 KiB
Python
|
from django import forms
|
||
|
|
from django.contrib import admin
|
||
|
|
from django.forms.models import BaseInlineFormSet
|
||
|
|
|
||
|
|
from .utils import set_default_filter
|
||
|
|
|
||
|
|
|
||
|
|
class ExtendedModelAdmin(admin.ModelAdmin):
|
||
|
|
add_fields = ()
|
||
|
|
add_fieldsets = ()
|
||
|
|
add_form = None
|
||
|
|
change_readonly_fields = ()
|
||
|
|
|
||
|
|
def get_readonly_fields(self, request, obj=None):
|
||
|
|
fields = super(ExtendedModelAdmin, self).get_readonly_fields(request, obj=obj)
|
||
|
|
if obj:
|
||
|
|
return fields + self.change_readonly_fields
|
||
|
|
return fields
|
||
|
|
|
||
|
|
def get_fieldsets(self, request, obj=None):
|
||
|
|
if not obj:
|
||
|
|
if self.add_fieldsets:
|
||
|
|
return self.add_fieldsets
|
||
|
|
elif self.add_fields:
|
||
|
|
return [(None, {'fields': self.add_fields})]
|
||
|
|
return super(ExtendedModelAdmin, self).get_fieldsets(request, obj=obj)
|
||
|
|
|
||
|
|
def get_inline_instances(self, request, obj=None):
|
||
|
|
""" add_inlines and inline.parent_object """
|
||
|
|
self.inlines = getattr(self, 'add_inlines', self.inlines)
|
||
|
|
if obj:
|
||
|
|
self.inlines = type(self).inlines
|
||
|
|
inlines = super(ExtendedModelAdmin, self).get_inline_instances(request, obj=obj)
|
||
|
|
for inline in inlines:
|
||
|
|
inline.parent_object = obj
|
||
|
|
return inlines
|
||
|
|
|
||
|
|
def get_form(self, request, obj=None, **kwargs):
|
||
|
|
""" Use special form during user creation """
|
||
|
|
defaults = {}
|
||
|
|
if obj is None and self.add_form:
|
||
|
|
defaults['form'] = self.add_form
|
||
|
|
defaults.update(kwargs)
|
||
|
|
return super(ExtendedModelAdmin, self).get_form(request, obj, **defaults)
|
||
|
|
|
||
|
|
|
||
|
|
class ChangeListDefaultFilter(object):
|
||
|
|
"""
|
||
|
|
Enables support for default filtering on admin change list pages
|
||
|
|
Your model admin class should define an default_changelist_filters attribute
|
||
|
|
default_changelist_filters = (('my_nodes', 'True'),)
|
||
|
|
"""
|
||
|
|
default_changelist_filters = ()
|
||
|
|
|
||
|
|
def changelist_view(self, request, extra_context=None):
|
||
|
|
""" Default filter as 'my_nodes=True' """
|
||
|
|
defaults = []
|
||
|
|
for queryarg, value in self.default_changelist_filters:
|
||
|
|
set_default_filter(queryarg, request, value)
|
||
|
|
defaults.append(queryarg)
|
||
|
|
# hack response cl context in order to hook default filter awaearness into search_form.html template
|
||
|
|
response = super(ChangeListDefaultFilter, self).changelist_view(request, extra_context=extra_context)
|
||
|
|
if hasattr(response, 'context_data') and 'cl' in response.context_data:
|
||
|
|
response.context_data['cl'].default_changelist_filters = defaults
|
||
|
|
return response
|
||
|
|
|
||
|
|
|
||
|
|
class AtLeastOneRequiredInlineFormSet(BaseInlineFormSet):
|
||
|
|
def clean(self):
|
||
|
|
"""Check that at least one service has been entered."""
|
||
|
|
super(AtLeastOneRequiredInlineFormSet, self).clean()
|
||
|
|
if any(self.errors):
|
||
|
|
return
|
||
|
|
if not any(cleaned_data and not cleaned_data.get('DELETE', False)
|
||
|
|
for cleaned_data in self.cleaned_data):
|
||
|
|
raise forms.ValidationError('At least one item required.')
|