--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/app/django/contrib/admin/options.py Tue Oct 14 16:00:59 2008 +0000
@@ -0,0 +1,807 @@
+from django import forms, template
+from django.forms.formsets import all_valid
+from django.forms.models import modelform_factory, inlineformset_factory
+from django.forms.models import BaseInlineFormSet
+from django.contrib.contenttypes.models import ContentType
+from django.contrib.admin import widgets
+from django.contrib.admin import helpers
+from django.contrib.admin.util import quote, unquote, flatten_fieldsets, get_deleted_objects
+from django.core.exceptions import PermissionDenied
+from django.db import models, transaction
+from django.http import Http404, HttpResponse, HttpResponseRedirect
+from django.shortcuts import get_object_or_404, render_to_response
+from django.utils.html import escape
+from django.utils.safestring import mark_safe
+from django.utils.text import capfirst, get_text_list
+from django.utils.translation import ugettext as _
+from django.utils.encoding import force_unicode
+try:
+ set
+except NameError:
+ from sets import Set as set # Python 2.3 fallback
+
+HORIZONTAL, VERTICAL = 1, 2
+# returns the <ul> class for a given radio_admin field
+get_ul_class = lambda x: 'radiolist%s' % ((x == HORIZONTAL) and ' inline' or '')
+
+class IncorrectLookupParameters(Exception):
+ pass
+
+class BaseModelAdmin(object):
+ """Functionality common to both ModelAdmin and InlineAdmin."""
+ raw_id_fields = ()
+ fields = None
+ exclude = None
+ fieldsets = None
+ form = forms.ModelForm
+ filter_vertical = ()
+ filter_horizontal = ()
+ radio_fields = {}
+ prepopulated_fields = {}
+
+ def formfield_for_dbfield(self, db_field, **kwargs):
+ """
+ Hook for specifying the form Field instance for a given database Field
+ instance.
+
+ If kwargs are given, they're passed to the form Field's constructor.
+ """
+
+ # If the field specifies choices, we don't need to look for special
+ # admin widgets - we just need to use a select widget of some kind.
+ if db_field.choices:
+ if db_field.name in self.radio_fields:
+ # If the field is named as a radio_field, use a RadioSelect
+ kwargs['widget'] = widgets.AdminRadioSelect(attrs={
+ 'class': get_ul_class(self.radio_fields[db_field.name]),
+ })
+ kwargs['choices'] = db_field.get_choices(
+ include_blank = db_field.blank,
+ blank_choice=[('', _('None'))]
+ )
+ return db_field.formfield(**kwargs)
+ else:
+ # Otherwise, use the default select widget.
+ return db_field.formfield(**kwargs)
+
+ # For DateTimeFields, use a special field and widget.
+ if isinstance(db_field, models.DateTimeField):
+ kwargs['form_class'] = forms.SplitDateTimeField
+ kwargs['widget'] = widgets.AdminSplitDateTime()
+ return db_field.formfield(**kwargs)
+
+ # For DateFields, add a custom CSS class.
+ if isinstance(db_field, models.DateField):
+ kwargs['widget'] = widgets.AdminDateWidget
+ return db_field.formfield(**kwargs)
+
+ # For TimeFields, add a custom CSS class.
+ if isinstance(db_field, models.TimeField):
+ kwargs['widget'] = widgets.AdminTimeWidget
+ return db_field.formfield(**kwargs)
+
+ # For TextFields, add a custom CSS class.
+ if isinstance(db_field, models.TextField):
+ kwargs['widget'] = widgets.AdminTextareaWidget
+ return db_field.formfield(**kwargs)
+
+ # For URLFields, add a custom CSS class.
+ if isinstance(db_field, models.URLField):
+ kwargs['widget'] = widgets.AdminURLFieldWidget
+ return db_field.formfield(**kwargs)
+
+ # For IntegerFields, add a custom CSS class.
+ if isinstance(db_field, models.IntegerField):
+ kwargs['widget'] = widgets.AdminIntegerFieldWidget
+ return db_field.formfield(**kwargs)
+
+ # For CommaSeparatedIntegerFields, add a custom CSS class.
+ if isinstance(db_field, models.CommaSeparatedIntegerField):
+ kwargs['widget'] = widgets.AdminCommaSeparatedIntegerFieldWidget
+ return db_field.formfield(**kwargs)
+
+ # For TextInputs, add a custom CSS class.
+ if isinstance(db_field, models.CharField):
+ kwargs['widget'] = widgets.AdminTextInputWidget
+ return db_field.formfield(**kwargs)
+
+ # For FileFields and ImageFields add a link to the current file.
+ if isinstance(db_field, models.ImageField) or isinstance(db_field, models.FileField):
+ kwargs['widget'] = widgets.AdminFileWidget
+ return db_field.formfield(**kwargs)
+
+ # For ForeignKey or ManyToManyFields, use a special widget.
+ if isinstance(db_field, (models.ForeignKey, models.ManyToManyField)):
+ if isinstance(db_field, models.ForeignKey) and db_field.name in self.raw_id_fields:
+ kwargs['widget'] = widgets.ForeignKeyRawIdWidget(db_field.rel)
+ elif isinstance(db_field, models.ForeignKey) and db_field.name in self.radio_fields:
+ kwargs['widget'] = widgets.AdminRadioSelect(attrs={
+ 'class': get_ul_class(self.radio_fields[db_field.name]),
+ })
+ kwargs['empty_label'] = db_field.blank and _('None') or None
+ else:
+ if isinstance(db_field, models.ManyToManyField):
+ # If it uses an intermediary model, don't show field in admin.
+ if db_field.rel.through is not None:
+ return None
+ elif db_field.name in self.raw_id_fields:
+ kwargs['widget'] = widgets.ManyToManyRawIdWidget(db_field.rel)
+ kwargs['help_text'] = ''
+ elif db_field.name in (list(self.filter_vertical) + list(self.filter_horizontal)):
+ kwargs['widget'] = widgets.FilteredSelectMultiple(db_field.verbose_name, (db_field.name in self.filter_vertical))
+ # Wrap the widget's render() method with a method that adds
+ # extra HTML to the end of the rendered output.
+ formfield = db_field.formfield(**kwargs)
+ # Don't wrap raw_id fields. Their add function is in the popup window.
+ if not db_field.name in self.raw_id_fields:
+ # formfield can be None if it came from a OneToOneField with
+ # parent_link=True
+ if formfield is not None:
+ formfield.widget = widgets.RelatedFieldWidgetWrapper(formfield.widget, db_field.rel, self.admin_site)
+ return formfield
+
+ # For any other type of field, just call its formfield() method.
+ return db_field.formfield(**kwargs)
+
+ def _declared_fieldsets(self):
+ if self.fieldsets:
+ return self.fieldsets
+ elif self.fields:
+ return [(None, {'fields': self.fields})]
+ return None
+ declared_fieldsets = property(_declared_fieldsets)
+
+class ModelAdmin(BaseModelAdmin):
+ "Encapsulates all admin options and functionality for a given model."
+ __metaclass__ = forms.MediaDefiningClass
+
+ list_display = ('__str__',)
+ list_display_links = ()
+ list_filter = ()
+ list_select_related = False
+ list_per_page = 100
+ search_fields = ()
+ date_hierarchy = None
+ save_as = False
+ save_on_top = False
+ ordering = None
+ inlines = []
+
+ # Custom templates (designed to be over-ridden in subclasses)
+ change_form_template = None
+ change_list_template = None
+ delete_confirmation_template = None
+ object_history_template = None
+
+ def __init__(self, model, admin_site):
+ self.model = model
+ self.opts = model._meta
+ self.admin_site = admin_site
+ self.inline_instances = []
+ for inline_class in self.inlines:
+ inline_instance = inline_class(self.model, self.admin_site)
+ self.inline_instances.append(inline_instance)
+ super(ModelAdmin, self).__init__()
+
+ def __call__(self, request, url):
+ # Delegate to the appropriate method, based on the URL.
+ if url is None:
+ return self.changelist_view(request)
+ elif url == "add":
+ return self.add_view(request)
+ elif url.endswith('/history'):
+ return self.history_view(request, unquote(url[:-8]))
+ elif url.endswith('/delete'):
+ return self.delete_view(request, unquote(url[:-7]))
+ else:
+ return self.change_view(request, unquote(url))
+
+ def _media(self):
+ from django.conf import settings
+
+ js = ['js/core.js', 'js/admin/RelatedObjectLookups.js']
+ if self.prepopulated_fields:
+ js.append('js/urlify.js')
+ if self.opts.get_ordered_objects():
+ js.extend(['js/getElementsBySelector.js', 'js/dom-drag.js' , 'js/admin/ordering.js'])
+
+ return forms.Media(js=['%s%s' % (settings.ADMIN_MEDIA_PREFIX, url) for url in js])
+ media = property(_media)
+
+ def has_add_permission(self, request):
+ "Returns True if the given request has permission to add an object."
+ opts = self.opts
+ return request.user.has_perm(opts.app_label + '.' + opts.get_add_permission())
+
+ def has_change_permission(self, request, obj=None):
+ """
+ Returns True if the given request has permission to change the given
+ Django model instance.
+
+ If `obj` is None, this should return True if the given request has
+ permission to change *any* object of the given type.
+ """
+ opts = self.opts
+ return request.user.has_perm(opts.app_label + '.' + opts.get_change_permission())
+
+ def has_delete_permission(self, request, obj=None):
+ """
+ Returns True if the given request has permission to change the given
+ Django model instance.
+
+ If `obj` is None, this should return True if the given request has
+ permission to delete *any* object of the given type.
+ """
+ opts = self.opts
+ return request.user.has_perm(opts.app_label + '.' + opts.get_delete_permission())
+
+ def queryset(self, request):
+ """
+ Returns a QuerySet of all model instances that can be edited by the
+ admin site. This is used by changelist_view.
+ """
+ qs = self.model._default_manager.get_query_set()
+ # TODO: this should be handled by some parameter to the ChangeList.
+ ordering = self.ordering or () # otherwise we might try to *None, which is bad ;)
+ if ordering:
+ qs = qs.order_by(*ordering)
+ return qs
+
+ def get_fieldsets(self, request, obj=None):
+ "Hook for specifying fieldsets for the add form."
+ if self.declared_fieldsets:
+ return self.declared_fieldsets
+ form = self.get_form(request, obj)
+ return [(None, {'fields': form.base_fields.keys()})]
+
+ def get_form(self, request, obj=None, **kwargs):
+ """
+ Returns a Form class for use in the admin add view. This is used by
+ add_view and change_view.
+ """
+ if self.declared_fieldsets:
+ fields = flatten_fieldsets(self.declared_fieldsets)
+ else:
+ fields = None
+ if self.exclude is None:
+ exclude = []
+ else:
+ exclude = list(self.exclude)
+ defaults = {
+ "form": self.form,
+ "fields": fields,
+ "exclude": exclude + kwargs.get("exclude", []),
+ "formfield_callback": self.formfield_for_dbfield,
+ }
+ defaults.update(kwargs)
+ return modelform_factory(self.model, **defaults)
+
+ def get_formsets(self, request, obj=None):
+ for inline in self.inline_instances:
+ yield inline.get_formset(request, obj)
+
+ def log_addition(self, request, object):
+ """
+ Log that an object has been successfully added.
+
+ The default implementation creates an admin LogEntry object.
+ """
+ from django.contrib.admin.models import LogEntry, ADDITION
+ LogEntry.objects.log_action(
+ user_id = request.user.pk,
+ content_type_id = ContentType.objects.get_for_model(object).pk,
+ object_id = object.pk,
+ object_repr = force_unicode(object),
+ action_flag = ADDITION
+ )
+
+ def log_change(self, request, object, message):
+ """
+ Log that an object has been successfully changed.
+
+ The default implementation creates an admin LogEntry object.
+ """
+ from django.contrib.admin.models import LogEntry, CHANGE
+ LogEntry.objects.log_action(
+ user_id = request.user.pk,
+ content_type_id = ContentType.objects.get_for_model(object).pk,
+ object_id = object.pk,
+ object_repr = force_unicode(object),
+ action_flag = CHANGE,
+ change_message = message
+ )
+
+ def log_deletion(self, request, object, object_repr):
+ """
+ Log that an object has been successfully deleted. Note that since the
+ object is deleted, it might no longer be safe to call *any* methods
+ on the object, hence this method getting object_repr.
+
+ The default implementation creates an admin LogEntry object.
+ """
+ from django.contrib.admin.models import LogEntry, DELETION
+ LogEntry.objects.log_action(
+ user_id = request.user.id,
+ content_type_id = ContentType.objects.get_for_model(self.model).pk,
+ object_id = object.pk,
+ object_repr = object_repr,
+ action_flag = DELETION
+ )
+
+
+ def construct_change_message(self, request, form, formsets):
+ """
+ Construct a change message from a changed object.
+ """
+ change_message = []
+ if form.changed_data:
+ change_message.append(_('Changed %s.') % get_text_list(form.changed_data, _('and')))
+
+ if formsets:
+ for formset in formsets:
+ for added_object in formset.new_objects:
+ change_message.append(_('Added %(name)s "%(object)s".')
+ % {'name': added_object._meta.verbose_name,
+ 'object': added_object})
+ for changed_object, changed_fields in formset.changed_objects:
+ change_message.append(_('Changed %(list)s for %(name)s "%(object)s".')
+ % {'list': get_text_list(changed_fields, _('and')),
+ 'name': changed_object._meta.verbose_name,
+ 'object': changed_object})
+ for deleted_object in formset.deleted_objects:
+ change_message.append(_('Deleted %(name)s "%(object)s".')
+ % {'name': deleted_object._meta.verbose_name,
+ 'object': deleted_object})
+ change_message = ' '.join(change_message)
+ return change_message or _('No fields changed.')
+
+ def message_user(self, request, message):
+ """
+ Send a message to the user. The default implementation
+ posts a message using the auth Message object.
+ """
+ request.user.message_set.create(message=message)
+
+ def save_form(self, request, form, change):
+ """
+ Given a ModelForm return an unsaved instance. ``change`` is True if
+ the object is being changed, and False if it's being added.
+ """
+ return form.save(commit=False)
+
+ def save_model(self, request, obj, form, change):
+ """
+ Given a model instance save it to the database.
+ """
+ obj.save()
+
+ def save_formset(self, request, form, formset, change):
+ """
+ Given an inline formset save it to the database.
+ """
+ formset.save()
+
+ def render_change_form(self, request, context, add=False, change=False, form_url='', obj=None):
+ opts = self.model._meta
+ app_label = opts.app_label
+ ordered_objects = opts.get_ordered_objects()
+ context.update({
+ 'add': add,
+ 'change': change,
+ 'has_add_permission': self.has_add_permission(request),
+ 'has_change_permission': self.has_change_permission(request, obj),
+ 'has_delete_permission': self.has_delete_permission(request, obj),
+ 'has_file_field': True, # FIXME - this should check if form or formsets have a FileField,
+ 'has_absolute_url': hasattr(self.model, 'get_absolute_url'),
+ 'ordered_objects': ordered_objects,
+ 'form_url': mark_safe(form_url),
+ 'opts': opts,
+ 'content_type_id': ContentType.objects.get_for_model(self.model).id,
+ 'save_as': self.save_as,
+ 'save_on_top': self.save_on_top,
+ 'root_path': self.admin_site.root_path,
+ })
+ return render_to_response(self.change_form_template or [
+ "admin/%s/%s/change_form.html" % (app_label, opts.object_name.lower()),
+ "admin/%s/change_form.html" % app_label,
+ "admin/change_form.html"
+ ], context, context_instance=template.RequestContext(request))
+
+ def response_add(self, request, obj, post_url_continue='../%s/'):
+ """
+ Determines the HttpResponse for the add_view stage.
+ """
+ opts = obj._meta
+ pk_value = obj._get_pk_val()
+
+ msg = _('The %(name)s "%(obj)s" was added successfully.') % {'name': force_unicode(opts.verbose_name), 'obj': force_unicode(obj)}
+ # Here, we distinguish between different save types by checking for
+ # the presence of keys in request.POST.
+ if request.POST.has_key("_continue"):
+ self.message_user(request, msg + ' ' + _("You may edit it again below."))
+ if request.POST.has_key("_popup"):
+ post_url_continue += "?_popup=1"
+ return HttpResponseRedirect(post_url_continue % pk_value)
+
+ if request.POST.has_key("_popup"):
+ return HttpResponse('<script type="text/javascript">opener.dismissAddAnotherPopup(window, "%s", "%s");</script>' % \
+ # escape() calls force_unicode.
+ (escape(pk_value), escape(obj)))
+ elif request.POST.has_key("_addanother"):
+ self.message_user(request, msg + ' ' + (_("You may add another %s below.") % force_unicode(opts.verbose_name)))
+ return HttpResponseRedirect(request.path)
+ else:
+ self.message_user(request, msg)
+
+ # Figure out where to redirect. If the user has change permission,
+ # redirect to the change-list page for this object. Otherwise,
+ # redirect to the admin index.
+ if self.has_change_permission(request, None):
+ post_url = '../'
+ else:
+ post_url = '../../../'
+ return HttpResponseRedirect(post_url)
+
+ def response_change(self, request, obj):
+ """
+ Determines the HttpResponse for the change_view stage.
+ """
+ opts = obj._meta
+ pk_value = obj._get_pk_val()
+
+ msg = _('The %(name)s "%(obj)s" was changed successfully.') % {'name': force_unicode(opts.verbose_name), 'obj': force_unicode(obj)}
+ if request.POST.has_key("_continue"):
+ self.message_user(request, msg + ' ' + _("You may edit it again below."))
+ if request.REQUEST.has_key('_popup'):
+ return HttpResponseRedirect(request.path + "?_popup=1")
+ else:
+ return HttpResponseRedirect(request.path)
+ elif request.POST.has_key("_saveasnew"):
+ msg = _('The %(name)s "%(obj)s" was added successfully. You may edit it again below.') % {'name': force_unicode(opts.verbose_name), 'obj': obj}
+ self.message_user(request, msg)
+ return HttpResponseRedirect("../%s/" % pk_value)
+ elif request.POST.has_key("_addanother"):
+ self.message_user(request, msg + ' ' + (_("You may add another %s below.") % force_unicode(opts.verbose_name)))
+ return HttpResponseRedirect("../add/")
+ else:
+ self.message_user(request, msg)
+ return HttpResponseRedirect("../")
+
+ 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 = []
+ if request.method == 'POST':
+ form = ModelForm(request.POST, request.FILES)
+ if form.is_valid():
+ form_validated = True
+ new_object = self.save_form(request, form, change=False)
+ else:
+ form_validated = False
+ new_object = self.model()
+ for FormSet in self.get_formsets(request):
+ formset = FormSet(data=request.POST, files=request.FILES,
+ instance=new_object,
+ save_as_new=request.POST.has_key("_saveasnew"))
+ formsets.append(formset)
+ if all_valid(formsets) and form_validated:
+ self.save_model(request, new_object, form, change=False)
+ form.save_m2m()
+ for formset in formsets:
+ self.save_formset(request, form, formset, change=False)
+
+ self.log_addition(request, new_object)
+ 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)
+ for FormSet in self.get_formsets(request):
+ formset = FormSet(instance=self.model())
+ formsets.append(formset)
+
+ adminForm = helpers.AdminForm(form, list(self.get_fieldsets(request)), self.prepopulated_fields)
+ media = self.media + adminForm.media
+
+ inline_admin_formsets = []
+ for inline, formset in zip(self.inline_instances, formsets):
+ fieldsets = list(inline.get_fieldsets(request))
+ inline_admin_formset = helpers.InlineAdminFormSet(inline, formset, fieldsets)
+ inline_admin_formsets.append(inline_admin_formset)
+ media = media + inline_admin_formset.media
+
+ context = {
+ 'title': _('Add %s') % force_unicode(opts.verbose_name),
+ 'adminform': adminForm,
+ 'is_popup': request.REQUEST.has_key('_popup'),
+ 'show_delete': False,
+ 'media': mark_safe(media),
+ 'inline_admin_formsets': inline_admin_formsets,
+ 'errors': helpers.AdminErrorList(form, formsets),
+ 'root_path': self.admin_site.root_path,
+ 'app_label': opts.app_label,
+ }
+ context.update(extra_context or {})
+ return self.render_change_form(request, context, add=True)
+ add_view = transaction.commit_on_success(add_view)
+
+ def change_view(self, request, object_id, extra_context=None):
+ "The 'change' admin view for this model."
+ model = self.model
+ opts = model._meta
+
+ try:
+ obj = model._default_manager.get(pk=object_id)
+ except model.DoesNotExist:
+ # Don't raise Http404 just yet, because we haven't checked
+ # permissions yet. We don't want an unauthenticated user to be able
+ # to determine whether a given object exists.
+ obj = None
+
+ if not self.has_change_permission(request, obj):
+ raise PermissionDenied
+
+ if obj is None:
+ raise Http404('%s object with primary key %r does not exist.' % (force_unicode(opts.verbose_name), escape(object_id)))
+
+ if request.method == 'POST' and request.POST.has_key("_saveasnew"):
+ return self.add_view(request, form_url='../../add/')
+
+ ModelForm = self.get_form(request, obj)
+ formsets = []
+ 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
+ for FormSet in self.get_formsets(request, new_object):
+ formset = FormSet(request.POST, request.FILES,
+ instance=new_object)
+ formsets.append(formset)
+
+ if all_valid(formsets) and form_validated:
+ self.save_model(request, new_object, form, change=True)
+ form.save_m2m()
+ for formset in formsets:
+ self.save_formset(request, form, formset, change=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)
+ for FormSet in self.get_formsets(request, obj):
+ formset = FormSet(instance=obj)
+ formsets.append(formset)
+
+ adminForm = helpers.AdminForm(form, self.get_fieldsets(request, obj), self.prepopulated_fields)
+ media = self.media + adminForm.media
+
+ inline_admin_formsets = []
+ for inline, formset in zip(self.inline_instances, formsets):
+ fieldsets = list(inline.get_fieldsets(request, obj))
+ inline_admin_formset = helpers.InlineAdminFormSet(inline, formset, fieldsets)
+ inline_admin_formsets.append(inline_admin_formset)
+ media = media + inline_admin_formset.media
+
+ context = {
+ 'title': _('Change %s') % force_unicode(opts.verbose_name),
+ 'adminform': adminForm,
+ 'object_id': object_id,
+ 'original': obj,
+ 'is_popup': request.REQUEST.has_key('_popup'),
+ 'media': mark_safe(media),
+ 'inline_admin_formsets': inline_admin_formsets,
+ 'errors': helpers.AdminErrorList(form, formsets),
+ 'root_path': self.admin_site.root_path,
+ 'app_label': opts.app_label,
+ }
+ context.update(extra_context or {})
+ return self.render_change_form(request, context, change=True, obj=obj)
+ change_view = transaction.commit_on_success(change_view)
+
+ def changelist_view(self, request, extra_context=None):
+ "The 'change list' admin view for this model."
+ from django.contrib.admin.views.main import ChangeList, ERROR_FLAG
+ opts = self.model._meta
+ app_label = opts.app_label
+ if not self.has_change_permission(request, None):
+ raise PermissionDenied
+ try:
+ cl = ChangeList(request, self.model, self.list_display, self.list_display_links, self.list_filter,
+ self.date_hierarchy, self.search_fields, self.list_select_related, self.list_per_page, self)
+ except IncorrectLookupParameters:
+ # Wacky lookup parameters were given, so redirect to the main
+ # changelist page, without parameters, and pass an 'invalid=1'
+ # parameter via the query string. If wacky parameters were given and
+ # the 'invalid=1' parameter was already in the query string, something
+ # is screwed up with the database, so display an error page.
+ if ERROR_FLAG in request.GET.keys():
+ return render_to_response('admin/invalid_setup.html', {'title': _('Database error')})
+ return HttpResponseRedirect(request.path + '?' + ERROR_FLAG + '=1')
+
+ context = {
+ 'title': cl.title,
+ 'is_popup': cl.is_popup,
+ 'cl': cl,
+ 'has_add_permission': self.has_add_permission(request),
+ 'root_path': self.admin_site.root_path,
+ 'app_label': app_label,
+ }
+ context.update(extra_context or {})
+ return render_to_response(self.change_list_template or [
+ 'admin/%s/%s/change_list.html' % (app_label, opts.object_name.lower()),
+ 'admin/%s/change_list.html' % app_label,
+ 'admin/change_list.html'
+ ], context, context_instance=template.RequestContext(request))
+
+ def delete_view(self, request, object_id, extra_context=None):
+ "The 'delete' admin view for this model."
+ opts = self.model._meta
+ app_label = opts.app_label
+
+ try:
+ obj = self.model._default_manager.get(pk=object_id)
+ except self.model.DoesNotExist:
+ # Don't raise Http404 just yet, because we haven't checked
+ # permissions yet. We don't want an unauthenticated user to be able
+ # to determine whether a given object exists.
+ obj = None
+
+ if not self.has_delete_permission(request, obj):
+ raise PermissionDenied
+
+ if obj is None:
+ raise Http404('%s object with primary key %r does not exist.' % (force_unicode(opts.verbose_name), escape(object_id)))
+
+ # Populate deleted_objects, a data structure of all related objects that
+ # will also be deleted.
+ deleted_objects = [mark_safe(u'%s: <a href="../../%s/">%s</a>' % (escape(force_unicode(capfirst(opts.verbose_name))), quote(object_id), escape(obj))), []]
+ perms_needed = set()
+ get_deleted_objects(deleted_objects, perms_needed, request.user, obj, opts, 1, self.admin_site)
+
+ if request.POST: # The user has already confirmed the deletion.
+ if perms_needed:
+ raise PermissionDenied
+ obj_display = force_unicode(obj)
+ obj.delete()
+
+ self.log_deletion(request, obj, obj_display)
+ self.message_user(request, _('The %(name)s "%(obj)s" was deleted successfully.') % {'name': force_unicode(opts.verbose_name), 'obj': force_unicode(obj_display)})
+
+ if not self.has_change_permission(request, None):
+ return HttpResponseRedirect("../../../../")
+ return HttpResponseRedirect("../../")
+
+ context = {
+ "title": _("Are you sure?"),
+ "object_name": force_unicode(opts.verbose_name),
+ "object": obj,
+ "deleted_objects": deleted_objects,
+ "perms_lacking": perms_needed,
+ "opts": opts,
+ "root_path": self.admin_site.root_path,
+ "app_label": app_label,
+ }
+ context.update(extra_context or {})
+ return render_to_response(self.delete_confirmation_template or [
+ "admin/%s/%s/delete_confirmation.html" % (app_label, opts.object_name.lower()),
+ "admin/%s/delete_confirmation.html" % app_label,
+ "admin/delete_confirmation.html"
+ ], context, context_instance=template.RequestContext(request))
+
+ def history_view(self, request, object_id, extra_context=None):
+ "The 'history' admin view for this model."
+ from django.contrib.admin.models import LogEntry
+ model = self.model
+ opts = model._meta
+ app_label = opts.app_label
+ action_list = LogEntry.objects.filter(
+ object_id = object_id,
+ content_type__id__exact = ContentType.objects.get_for_model(model).id
+ ).select_related().order_by('action_time')
+ # If no history was found, see whether this object even exists.
+ obj = get_object_or_404(model, pk=object_id)
+ context = {
+ 'title': _('Change history: %s') % force_unicode(obj),
+ 'action_list': action_list,
+ 'module_name': capfirst(force_unicode(opts.verbose_name_plural)),
+ 'object': obj,
+ 'root_path': self.admin_site.root_path,
+ 'app_label': app_label,
+ }
+ context.update(extra_context or {})
+ return render_to_response(self.object_history_template or [
+ "admin/%s/%s/object_history.html" % (app_label, opts.object_name.lower()),
+ "admin/%s/object_history.html" % app_label,
+ "admin/object_history.html"
+ ], context, context_instance=template.RequestContext(request))
+
+class InlineModelAdmin(BaseModelAdmin):
+ """
+ Options for inline editing of ``model`` instances.
+
+ Provide ``name`` to specify the attribute name of the ``ForeignKey`` from
+ ``model`` to its parent. This is required if ``model`` has more than one
+ ``ForeignKey`` to its parent.
+ """
+ model = None
+ fk_name = None
+ formset = BaseInlineFormSet
+ extra = 3
+ max_num = 0
+ template = None
+ verbose_name = None
+ verbose_name_plural = None
+
+ def __init__(self, parent_model, admin_site):
+ self.admin_site = admin_site
+ self.parent_model = parent_model
+ self.opts = self.model._meta
+ super(InlineModelAdmin, self).__init__()
+ if self.verbose_name is None:
+ self.verbose_name = self.model._meta.verbose_name
+ if self.verbose_name_plural is None:
+ self.verbose_name_plural = self.model._meta.verbose_name_plural
+
+ def _media(self):
+ from django.conf import settings
+ js = []
+ if self.prepopulated_fields:
+ js.append('js/urlify.js')
+ if self.filter_vertical or self.filter_horizontal:
+ js.extend(['js/SelectBox.js' , 'js/SelectFilter2.js'])
+ return forms.Media(js=['%s%s' % (settings.ADMIN_MEDIA_PREFIX, url) for url in js])
+ media = property(_media)
+
+ def get_formset(self, request, obj=None, **kwargs):
+ """Returns a BaseInlineFormSet class for use in admin add/change views."""
+ if self.declared_fieldsets:
+ fields = flatten_fieldsets(self.declared_fieldsets)
+ else:
+ fields = None
+ if self.exclude is None:
+ exclude = []
+ else:
+ exclude = list(self.exclude)
+ defaults = {
+ "form": self.form,
+ "formset": self.formset,
+ "fk_name": self.fk_name,
+ "fields": fields,
+ "exclude": exclude + kwargs.get("exclude", []),
+ "formfield_callback": self.formfield_for_dbfield,
+ "extra": self.extra,
+ "max_num": self.max_num,
+ }
+ defaults.update(kwargs)
+ return inlineformset_factory(self.parent_model, self.model, **defaults)
+
+ def get_fieldsets(self, request, obj=None):
+ if self.declared_fieldsets:
+ return self.declared_fieldsets
+ form = self.get_formset(request).form
+ return [(None, {'fields': form.base_fields.keys()})]
+
+class StackedInline(InlineModelAdmin):
+ template = 'admin/edit_inline/stacked.html'
+
+class TabularInline(InlineModelAdmin):
+ template = 'admin/edit_inline/tabular.html'