magic-removal: The start of changes to admin code. Moved views/changelist to views/main. Refactored URLs to use old-style app_label/model_name. Removed a lot of cruft that was necessary due to non-app_label/model name URLs.
git-svn-id: http://code.djangoproject.com/svn/django/branches/magic-removal@2062 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty
parent
8a140005ff
commit
71e2df77d3
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@ -2,7 +2,7 @@
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{% load adminmedia admin_list i18n breadcrumbs %}
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{% block bodyclass %}change-list{% endblock %}
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{% block userlinks %}<a href="../../doc/">{% trans 'Documentation' %}</a> / <a href="../../password_change/">{% trans 'Change password' %}</a> / <a href="../../logout/">{% trans 'Log out' %}</a>{% endblock %}
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{% if not is_popup %}{% block breadcrumbs %}<div class="breadcrumbs">{% path_breadcrumbs path "Home" "1" "0" %}</div>{% endblock %}{% endif %}
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{% if not is_popup %}{% block breadcrumbs %}<div class="breadcrumbs">BREADCRUMBS</div>{% endblock %}{% endif %}
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{% block coltype %}flex{% endblock %}
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{% block content %}
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<div id="content-main">
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@ -1,8 +1,8 @@
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from django.contrib.admin.views.changelist import MAX_SHOW_ALL_ALLOWED, DEFAULT_RESULTS_PER_PAGE, ALL_VAR
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from django.contrib.admin.views.changelist import ORDER_VAR, ORDER_TYPE_VAR, PAGE_VAR, SEARCH_VAR
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from django.contrib.admin.views.changelist import IS_POPUP_VAR, EMPTY_CHANGELIST_VALUE, MONTHS
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from django import template
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from django.conf import settings
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from django.contrib.admin.views.main import MAX_SHOW_ALL_ALLOWED, DEFAULT_RESULTS_PER_PAGE, ALL_VAR
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from django.contrib.admin.views.main import ORDER_VAR, ORDER_TYPE_VAR, PAGE_VAR, SEARCH_VAR
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from django.contrib.admin.views.main import IS_POPUP_VAR, EMPTY_CHANGELIST_VALUE, MONTHS
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from django.core.exceptions import ObjectDoesNotExist
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from django.db import models
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from django.utils import dateformat
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@ -22,9 +22,9 @@ urlpatterns = patterns('',
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('^doc/templates/(?P<template>.*)/$', 'django.contrib.admin.views.doc.template_detail'),
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# Add/change/delete/history
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('^((?:[^/]+/)+?)add/$', 'django.contrib.admin.views.main.add_stage'),
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('^((?:[^/]+/)+?)([^/]+)/history/$', 'django.contrib.admin.views.main.history'),
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('^((?:[^/]+/)+?)([^/]+)/delete/$', 'django.contrib.admin.views.main.delete_stage'),
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('^((?:[^/]+/)+?)([^/]+)/change/$', 'django.contrib.admin.views.main.change_stage'),
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('^((?:[^/]+/)+?)$', 'django.contrib.admin.views.changelist.change_list'),
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('^([^/]+)/([^/]+)/$', 'django.contrib.admin.views.main.change_list'),
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('^([^/]+)/([^/]+)/add/$', 'django.contrib.admin.views.main.add_stage'),
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('^([^/]+)/([^/]+)/(.+)/history/$', 'django.contrib.admin.views.main.history'),
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('^([^/]+)/([^/]+)/(.+)/delete/$', 'django.contrib.admin.views.main.delete_stage'),
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('^([^/]+)/([^/]+)/(.+)/$', 'django.contrib.admin.views.main.change_stage'),
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)
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@ -1,226 +0,0 @@
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from django.contrib.admin.views.decorators import staff_member_required
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from django.contrib.admin.views.main import get_model_and_app
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from django.contrib.admin.filterspecs import FilterSpec
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from django.db import models
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from django.db.models.query import handle_legacy_orderlist
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from django.http import HttpResponse, HttpResponseRedirect
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from django.core.paginator import ObjectPaginator, InvalidPage
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from django.template import RequestContext as Context
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from django.shortcuts import render_to_response
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from django.utils.dates import MONTHS
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# The system will display a "Show all" link only if the total result count
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# is less than or equal to this setting.
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MAX_SHOW_ALL_ALLOWED = 200
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DEFAULT_RESULTS_PER_PAGE = 100
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ALL_VAR = 'all'
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ORDER_VAR = 'o'
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ORDER_TYPE_VAR = 'ot'
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PAGE_VAR = 'p'
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SEARCH_VAR = 'q'
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IS_POPUP_VAR = 'pop'
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# Text to display within changelist table cells if the value is blank.
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EMPTY_CHANGELIST_VALUE = '(None)'
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class IncorrectLookupParameters(Exception):
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pass
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class ChangeList(object):
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def __init__(self, request, path):
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self.resolve_model(path, request)
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self.get_search_parameters(request)
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self.get_ordering()
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self.query = request.GET.get(SEARCH_VAR, '')
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self.get_lookup_params()
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self.get_results(request)
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self.title = (self.is_popup
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and _('Select %s') % self.opts.verbose_name
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or _('Select %s to change') % self.opts.verbose_name)
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self.get_filters(request)
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self.pk_attname = self.lookup_opts.pk.attname
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def get_filters(self, request):
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self.filter_specs = []
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if self.lookup_opts.admin.list_filter and not self.opts.one_to_one_field:
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filter_fields = [self.lookup_opts.get_field(field_name) \
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for field_name in self.lookup_opts.admin.list_filter]
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for f in filter_fields:
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spec = FilterSpec.create(f, request, self.params)
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if spec and spec.has_output():
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self.filter_specs.append(spec)
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self.has_filters = bool(self.filter_specs)
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def get_query_string(self, new_params={}, remove=[]):
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p = self.params.copy()
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for r in remove:
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for k in p.keys():
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if k.startswith(r):
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del p[k]
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for k, v in new_params.items():
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if p.has_key(k) and v is None:
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del p[k]
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elif v is not None:
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p[k] = v
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return '?' + '&'.join(['%s=%s' % (k, v) for k, v in p.items()]).replace(' ', '%20')
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def resolve_model(self, path, request):
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self.model, self.app_label = get_model_and_app(path)
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self.opts = self.model._meta
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if not request.user.has_perm(self.app_label + '.' + self.opts.get_change_permission()):
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raise PermissionDenied
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self.lookup_opts = self.opts
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self.manager = self.model._default_manager
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def get_search_parameters(self, request):
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# Get search parameters from the query string.
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try:
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self.page_num = int(request.GET.get(PAGE_VAR, 0))
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except ValueError:
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self.page_num = 0
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self.show_all = request.GET.has_key(ALL_VAR)
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self.is_popup = request.GET.has_key(IS_POPUP_VAR)
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self.params = dict(request.GET.items())
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if self.params.has_key(PAGE_VAR):
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del self.params[PAGE_VAR]
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def get_results(self, request):
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manager, lookup_params, show_all, page_num = \
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self.manager, self.lookup_params, self.show_all, self.page_num
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# Get the results.
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try:
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paginator = ObjectPaginator(manager, lookup_params, DEFAULT_RESULTS_PER_PAGE)
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# Naked except! Because we don't have any other way of validating "params".
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# They might be invalid if the keyword arguments are incorrect, or if the
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# values are not in the correct type (which would result in a database
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# error).
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except Exception:
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raise
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raise IncorrectLookupParameters()
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# Get the total number of objects, with no filters applied.
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real_lookup_params = lookup_params.copy()
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del real_lookup_params['order_by']
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if real_lookup_params:
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full_result_count = manager.get_count()
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else:
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full_result_count = paginator.hits
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del real_lookup_params
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result_count = paginator.hits
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can_show_all = result_count <= MAX_SHOW_ALL_ALLOWED
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multi_page = result_count > DEFAULT_RESULTS_PER_PAGE
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# Get the list of objects to display on this page.
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if (show_all and can_show_all) or not multi_page:
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result_list = manager.get_list(**lookup_params)
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else:
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try:
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result_list = paginator.get_page(page_num)
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except InvalidPage:
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result_list = []
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(self.result_count, self.full_result_count, self.result_list,
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self.can_show_all, self.multi_page, self.paginator) = (result_count,
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full_result_count, result_list, can_show_all, multi_page, paginator )
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def url_for_result(self, result):
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return "%s/change/" % getattr(result, self.pk_attname)
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def get_ordering(self):
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lookup_opts, params = self.lookup_opts, self.params
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# For ordering, first check the "ordering" parameter in the admin options,
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# then check the object's default ordering. If neither of those exist,
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# order descending by ID by default. Finally, look for manually-specified
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# ordering from the query string.
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ordering = lookup_opts.admin.ordering or lookup_opts.ordering or ['-' + lookup_opts.pk.name]
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# Normalize it to new-style ordering.
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ordering = handle_legacy_orderlist(ordering)
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if ordering[0].startswith('-'):
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order_field, order_type = ordering[0][1:], 'desc'
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else:
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order_field, order_type = ordering[0], 'asc'
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if params.has_key(ORDER_VAR):
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try:
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try:
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f = lookup_opts.get_field(lookup_opts.admin.list_display[int(params[ORDER_VAR])])
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except models.FieldDoesNotExist:
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pass
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else:
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if not isinstance(f.rel, models.ManyToOne) or not f.null:
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order_field = f.name
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except (IndexError, ValueError):
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pass # Invalid ordering specified. Just use the default.
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if params.has_key(ORDER_TYPE_VAR) and params[ORDER_TYPE_VAR] in ('asc', 'desc'):
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order_type = params[ORDER_TYPE_VAR]
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self.order_field, self.order_type = order_field, order_type
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def get_lookup_params(self):
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# Prepare the lookup parameters for the API lookup.
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(params, order_field, lookup_opts, order_type, opts, query) = \
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(self.params, self.order_field, self.lookup_opts, self.order_type, self.opts, self.query)
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lookup_params = params.copy()
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for i in (ALL_VAR, ORDER_VAR, ORDER_TYPE_VAR, SEARCH_VAR, IS_POPUP_VAR):
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if lookup_params.has_key(i):
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del lookup_params[i]
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# If the order-by field is a field with a relationship, order by the value
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# in the related table.
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lookup_order_field = order_field
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try:
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f = lookup_opts.get_field(order_field)
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except models.FieldDoesNotExist:
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pass
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else:
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if isinstance(lookup_opts.get_field(order_field).rel, models.ManyToOne):
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f = lookup_opts.get_field(order_field)
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rel_ordering = f.rel.to._meta.ordering and f.rel.to._meta.ordering[0] or f.rel.to._meta.pk.column
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lookup_order_field = '%s.%s' % (f.rel.to._meta.db_table, rel_ordering)
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# Use select_related if one of the list_display options is a field with a
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# relationship.
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if lookup_opts.admin.list_select_related:
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lookup_params['select_related'] = True
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else:
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for field_name in lookup_opts.admin.list_display:
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try:
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f = lookup_opts.get_field(field_name)
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except models.FieldDoesNotExist:
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pass
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else:
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if isinstance(f.rel, models.ManyToOne):
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lookup_params['select_related'] = True
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break
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lookup_params['order_by'] = ((order_type == 'desc' and '-' or '') + lookup_order_field,)
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if lookup_opts.admin.search_fields and query:
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complex_queries = []
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for bit in query.split():
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or_queries = []
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for field_name in lookup_opts.admin.search_fields:
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or_queries.append(models.Q(**{'%s__icontains' % field_name: bit}))
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complex_queries.append(reduce(operator.or_, or_queries))
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lookup_params['complex'] = reduce(operator.and_, complex_queries)
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if opts.one_to_one_field:
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lookup_params.update(opts.one_to_one_field.rel.limit_choices_to)
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self.lookup_params = lookup_params
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def change_list(request, path):
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try:
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cl = ChangeList(request, path)
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except IncorrectLookupParameters:
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return HttpResponseRedirect(request.path)
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c = Context(request, {
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'title': cl.title,
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'is_popup': cl.is_popup,
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'cl': cl,
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'path': path[:path.rindex('/')]
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})
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c.update({'has_add_permission': c['perms'][cl.app_label][cl.opts.get_add_permission()]}),
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return render_to_response(['admin/%s/%s/change_list' % (cl.app_label, cl.opts.object_name.lower()),
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'admin/%s/change_list' % cl.app_label,
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'admin/change_list'], context_instance=c)
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change_list = staff_member_required(change_list)
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@ -1,81 +1,54 @@
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from django import forms, template
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from django.conf import settings
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from django.contrib.admin.filterspecs import FilterSpec
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from django.contrib.admin.views.decorators import staff_member_required
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from django.core.exceptions import ImproperlyConfigured, ObjectDoesNotExist, PermissionDenied
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from django.core.paginator import ObjectPaginator, InvalidPage
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from django.shortcuts import get_object_or_404, render_to_response
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from django.db import models
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from django.db.models.fields import BoundField, BoundFieldLine, BoundFieldSet
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from django.db.models.query import handle_legacy_orderlist
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from django.http import Http404, HttpResponse, HttpResponseRedirect
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from django.template import loader
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from django.utils import dateformat
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from django.utils.dates import MONTHS
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from django.utils.html import escape
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from django.utils.text import capfirst, get_text_list
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import operator
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from itertools import izip
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try:
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from django.contrib.admin.models import LogEntry, ADDITION, CHANGE, DELETION
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except ImportError:
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raise ImproperlyConfigured, "You don't have 'django.contrib.admin' in INSTALLED_APPS."
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ADMIN_PREFIX = "/admin/"
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# The system will display a "Show all" link on the change list only if the
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# total result count is less than or equal to this setting.
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MAX_SHOW_ALL_ALLOWED = 200
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# Changelist settings
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DEFAULT_RESULTS_PER_PAGE = 100
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ALL_VAR = 'all'
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ORDER_VAR = 'o'
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ORDER_TYPE_VAR = 'ot'
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PAGE_VAR = 'p'
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SEARCH_VAR = 'q'
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IS_POPUP_VAR = 'pop'
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# Text to display within change-list table cells if the value is blank.
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EMPTY_CHANGELIST_VALUE = '(None)'
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use_raw_id_admin = lambda field: isinstance(field.rel, (models.ManyToOne, models.ManyToMany)) and field.rel.raw_id_admin
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def matches_app(mod, comps):
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modcomps = mod.__name__.split('.')[:-1] #HACK: leave off 'models'
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for c, mc in izip(comps, modcomps):
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if c != mc:
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return [], False
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return comps[len(modcomps):], True
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class IncorrectLookupParameters(Exception):
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pass
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def find_model(mod, remaining):
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if len(remaining) == 0:
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raise Http404
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if len(remaining) == 1:
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if hasattr(mod, '_MODELS'):
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name = remaining[0]
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for model in mod._MODELS:
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if model.__name__.lower() == name:
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def get_model(app_label, model_name):
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for module in models.get_installed_models():
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if module.__name__.split('.')[-2] == app_label: # TODO: Refactor this logic.
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for model in getattr(module, '_MODELS', ()):
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if model._meta.object_name.lower() == model_name:
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return model
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raise Http404
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else:
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raise Http404
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else:
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child = getattr(mod, remaining[0], None)
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if child:
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return find_model(child, remaining[1:])
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else:
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raise Http404
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def get_app_label(mod):
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#HACK
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return mod.__name__.split('.')[-2]
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def get_model_and_app(path):
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comps = path.split('/')
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comps = comps[:-1] # remove '' after final /
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for mod in models.get_installed_models():
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remaining, matched = matches_app(mod, comps)
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if matched and len(remaining) > 0:
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return (find_model(mod, remaining), get_app_label(mod))
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raise Http404 # Couldn't find app
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_model_urls = {}
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def url_for_model(model):
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try:
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return _model_urls[model]
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except KeyError:
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comps = model.__module__.split('.')
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for mod in models.get_installed_models():
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remaining, matched = matches_app(mod, comps)
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if matched and len(remaining) > 0:
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comps = comps[:-len(remaining)] + remaining[1:]
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url = "%s%s/%s/" % (ADMIN_PREFIX, '/'.join(comps) , model.__name__.lower())
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_model_urls[model] = url
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return url
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raise ImproperlyConfigured, '%s is not a model in an installed app' % model.__name__
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raise Http404, "App %r, model %r, not found" % (app_label, model_name)
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def get_javascript_imports(opts, auto_populated_fields, ordered_objects, field_sets):
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# Put in any necessary JavaScript imports.
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@ -127,7 +100,7 @@ class AdminBoundField(BoundField):
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self._repr_filled = False
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if field.rel:
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self.related_url = url_for_model(field.rel.to)
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self.related_url = '../../../%s/%s/' % (field.rel.to._meta.app_label, field.rel.to._meta.object_name.lower())
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def existing_display(self):
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try:
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|
|
@ -222,8 +195,8 @@ def index(request):
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return render_to_response('admin/index', {'title': _('Site administration')}, context_instance=template.RequestContext(request))
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index = staff_member_required(index)
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def add_stage(request, path, show_delete=False, form_url='', post_url='../', post_url_continue='../%s/change', object_id_override=None):
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model, app_label = get_model_and_app(path)
|
||||
def add_stage(request, app_label, model_name, show_delete=False, form_url='', post_url='../', post_url_continue='../%s/change', object_id_override=None):
|
||||
model = get_model(app_label, model_name)
|
||||
opts = model._meta
|
||||
|
||||
if not request.user.has_perm(app_label + '.' + opts.get_add_permission()):
|
||||
|
|
@ -289,7 +262,6 @@ def add_stage(request, path, show_delete=False, form_url='', post_url='../', pos
|
|||
'form': form,
|
||||
'is_popup': request.REQUEST.has_key('_popup'),
|
||||
'show_delete': show_delete,
|
||||
'path': path ,
|
||||
})
|
||||
|
||||
if object_id_override is not None:
|
||||
|
|
@ -298,13 +270,13 @@ def add_stage(request, path, show_delete=False, form_url='', post_url='../', pos
|
|||
return render_change_form(model, manipulator, app_label, c, add=True)
|
||||
add_stage = staff_member_required(add_stage)
|
||||
|
||||
def change_stage(request, path, object_id):
|
||||
model, app_label = get_model_and_app(path)
|
||||
def change_stage(request, app_label, model_name, object_id):
|
||||
model = get_model(app_label, model_name)
|
||||
opts = model._meta
|
||||
if not request.user.has_perm(app_label + '.' + opts.get_change_permission()):
|
||||
raise PermissionDenied
|
||||
if request.POST and request.POST.has_key("_saveasnew"):
|
||||
return add_stage(request, path, form_url='../../add/')
|
||||
return add_stage(request, app_label, model_name, form_url='../../add/')
|
||||
|
||||
try:
|
||||
manipulator = model.ChangeManipulator(object_id)
|
||||
|
|
@ -384,7 +356,6 @@ def change_stage(request, path, object_id):
|
|||
'object_id': object_id,
|
||||
'original': manipulator.original_object,
|
||||
'is_popup': request.REQUEST.has_key('_popup'),
|
||||
'path': path,
|
||||
})
|
||||
return render_change_form(model, manipulator, app_label, c, change=True)
|
||||
change_stage = staff_member_required(change_stage)
|
||||
|
|
@ -473,9 +444,9 @@ def _get_deleted_objects(deleted_objects, perms_needed, user, obj, opts, current
|
|||
if not user.has_perm(p):
|
||||
perms_needed.add(related.opts.verbose_name)
|
||||
|
||||
def delete_stage(request, path, object_id):
|
||||
def delete_stage(request, app_label, model_name, object_id):
|
||||
import sets
|
||||
model, app_label = get_model_and_app(path)
|
||||
model = get_model(app_label, model_name)
|
||||
opts = model._meta
|
||||
if not request.user.has_perm(app_label + '.' + opts.get_delete_permission()):
|
||||
raise PermissionDenied
|
||||
|
|
@ -504,15 +475,206 @@ def delete_stage(request, path, object_id):
|
|||
}, context_instance=template.RequestContext(request))
|
||||
delete_stage = staff_member_required(delete_stage)
|
||||
|
||||
def history(request, app_label, module_name, object_id):
|
||||
action_list = LogEntry.objects.get_list(object_id__exact=object_id, content_type__id__exact=opts.get_content_type_id(),
|
||||
def history(request, app_label, model_name, object_id):
|
||||
model = get_model(app_label, model_name)
|
||||
action_list = LogEntry.objects.get_list(object_id__exact=object_id, content_type__id__exact=model._meta.get_content_type_id(),
|
||||
order_by=("action_time",), select_related=True)
|
||||
# If no history was found, see whether this object even exists.
|
||||
obj = get_object_or_404(mod, pk=object_id)
|
||||
obj = get_object_or_404(model, pk=object_id)
|
||||
return render_to_response('admin/object_history', {
|
||||
'title': _('Change history: %s') % obj,
|
||||
'action_list': action_list,
|
||||
'module_name': capfirst(opts.verbose_name_plural),
|
||||
'module_name': capfirst(model._meta.verbose_name_plural),
|
||||
'object': obj,
|
||||
}, context_instance=template.RequestContext(request))
|
||||
history = staff_member_required(history)
|
||||
|
||||
class ChangeList(object):
|
||||
def __init__(self, request, model):
|
||||
self.model = model
|
||||
self.opts = self.model._meta
|
||||
self.lookup_opts = self.opts
|
||||
self.manager = self.model._default_manager
|
||||
self.get_search_parameters(request)
|
||||
self.get_ordering()
|
||||
self.query = request.GET.get(SEARCH_VAR, '')
|
||||
self.get_lookup_params()
|
||||
self.get_results(request)
|
||||
self.title = (self.is_popup
|
||||
and _('Select %s') % self.opts.verbose_name
|
||||
or _('Select %s to change') % self.opts.verbose_name)
|
||||
self.get_filters(request)
|
||||
self.pk_attname = self.lookup_opts.pk.attname
|
||||
|
||||
def get_filters(self, request):
|
||||
self.filter_specs = []
|
||||
if self.lookup_opts.admin.list_filter and not self.opts.one_to_one_field:
|
||||
filter_fields = [self.lookup_opts.get_field(field_name) \
|
||||
for field_name in self.lookup_opts.admin.list_filter]
|
||||
for f in filter_fields:
|
||||
spec = FilterSpec.create(f, request, self.params)
|
||||
if spec and spec.has_output():
|
||||
self.filter_specs.append(spec)
|
||||
self.has_filters = bool(self.filter_specs)
|
||||
|
||||
def get_query_string(self, new_params={}, remove=[]):
|
||||
p = self.params.copy()
|
||||
for r in remove:
|
||||
for k in p.keys():
|
||||
if k.startswith(r):
|
||||
del p[k]
|
||||
for k, v in new_params.items():
|
||||
if p.has_key(k) and v is None:
|
||||
del p[k]
|
||||
elif v is not None:
|
||||
p[k] = v
|
||||
return '?' + '&'.join(['%s=%s' % (k, v) for k, v in p.items()]).replace(' ', '%20')
|
||||
|
||||
def get_search_parameters(self, request):
|
||||
# Get search parameters from the query string.
|
||||
try:
|
||||
self.page_num = int(request.GET.get(PAGE_VAR, 0))
|
||||
except ValueError:
|
||||
self.page_num = 0
|
||||
self.show_all = request.GET.has_key(ALL_VAR)
|
||||
self.is_popup = request.GET.has_key(IS_POPUP_VAR)
|
||||
self.params = dict(request.GET.items())
|
||||
if self.params.has_key(PAGE_VAR):
|
||||
del self.params[PAGE_VAR]
|
||||
|
||||
def get_results(self, request):
|
||||
manager, lookup_params = self.manager, self.lookup_params
|
||||
show_all, page_num = self.show_all, self.page_num
|
||||
# Get the results.
|
||||
try:
|
||||
paginator = ObjectPaginator(manager, lookup_params, DEFAULT_RESULTS_PER_PAGE)
|
||||
# Naked except! Because we don't have any other way of validating "params".
|
||||
# They might be invalid if the keyword arguments are incorrect, or if the
|
||||
# values are not in the correct type (which would result in a database
|
||||
# error).
|
||||
except Exception:
|
||||
raise IncorrectLookupParameters
|
||||
|
||||
# Get the total number of objects, with no filters applied.
|
||||
real_lookup_params = lookup_params.copy()
|
||||
del real_lookup_params['order_by']
|
||||
if real_lookup_params:
|
||||
full_result_count = manager.get_count()
|
||||
else:
|
||||
full_result_count = paginator.hits
|
||||
del real_lookup_params
|
||||
result_count = paginator.hits
|
||||
can_show_all = result_count <= MAX_SHOW_ALL_ALLOWED
|
||||
multi_page = result_count > DEFAULT_RESULTS_PER_PAGE
|
||||
|
||||
# Get the list of objects to display on this page.
|
||||
if (show_all and can_show_all) or not multi_page:
|
||||
result_list = manager.get_list(**lookup_params)
|
||||
else:
|
||||
try:
|
||||
result_list = paginator.get_page(page_num)
|
||||
except InvalidPage:
|
||||
result_list = []
|
||||
(self.result_count, self.full_result_count, self.result_list,
|
||||
self.can_show_all, self.multi_page, self.paginator) = (result_count,
|
||||
full_result_count, result_list, can_show_all, multi_page, paginator )
|
||||
|
||||
def url_for_result(self, result):
|
||||
return "%s/" % getattr(result, self.pk_attname)
|
||||
|
||||
def get_ordering(self):
|
||||
lookup_opts, params = self.lookup_opts, self.params
|
||||
# For ordering, first check the "ordering" parameter in the admin options,
|
||||
# then check the object's default ordering. If neither of those exist,
|
||||
# order descending by ID by default. Finally, look for manually-specified
|
||||
# ordering from the query string.
|
||||
ordering = lookup_opts.admin.ordering or lookup_opts.ordering or ['-' + lookup_opts.pk.name]
|
||||
|
||||
# Normalize it to new-style ordering.
|
||||
ordering = handle_legacy_orderlist(ordering)
|
||||
|
||||
if ordering[0].startswith('-'):
|
||||
order_field, order_type = ordering[0][1:], 'desc'
|
||||
else:
|
||||
order_field, order_type = ordering[0], 'asc'
|
||||
if params.has_key(ORDER_VAR):
|
||||
try:
|
||||
try:
|
||||
f = lookup_opts.get_field(lookup_opts.admin.list_display[int(params[ORDER_VAR])])
|
||||
except models.FieldDoesNotExist:
|
||||
pass
|
||||
else:
|
||||
if not isinstance(f.rel, models.ManyToOne) or not f.null:
|
||||
order_field = f.name
|
||||
except (IndexError, ValueError):
|
||||
pass # Invalid ordering specified. Just use the default.
|
||||
if params.has_key(ORDER_TYPE_VAR) and params[ORDER_TYPE_VAR] in ('asc', 'desc'):
|
||||
order_type = params[ORDER_TYPE_VAR]
|
||||
self.order_field, self.order_type = order_field, order_type
|
||||
|
||||
def get_lookup_params(self):
|
||||
# Prepare the lookup parameters for the API lookup.
|
||||
(params, order_field, lookup_opts, order_type, opts, query) = \
|
||||
(self.params, self.order_field, self.lookup_opts, self.order_type, self.opts, self.query)
|
||||
|
||||
lookup_params = params.copy()
|
||||
for i in (ALL_VAR, ORDER_VAR, ORDER_TYPE_VAR, SEARCH_VAR, IS_POPUP_VAR):
|
||||
if lookup_params.has_key(i):
|
||||
del lookup_params[i]
|
||||
# If the order-by field is a field with a relationship, order by the value
|
||||
# in the related table.
|
||||
lookup_order_field = order_field
|
||||
try:
|
||||
f = lookup_opts.get_field(order_field)
|
||||
except models.FieldDoesNotExist:
|
||||
pass
|
||||
else:
|
||||
if isinstance(lookup_opts.get_field(order_field).rel, models.ManyToOne):
|
||||
f = lookup_opts.get_field(order_field)
|
||||
rel_ordering = f.rel.to._meta.ordering and f.rel.to._meta.ordering[0] or f.rel.to._meta.pk.column
|
||||
lookup_order_field = '%s.%s' % (f.rel.to._meta.db_table, rel_ordering)
|
||||
# Use select_related if one of the list_display options is a field with a
|
||||
# relationship.
|
||||
if lookup_opts.admin.list_select_related:
|
||||
lookup_params['select_related'] = True
|
||||
else:
|
||||
for field_name in lookup_opts.admin.list_display:
|
||||
try:
|
||||
f = lookup_opts.get_field(field_name)
|
||||
except models.FieldDoesNotExist:
|
||||
pass
|
||||
else:
|
||||
if isinstance(f.rel, models.ManyToOne):
|
||||
lookup_params['select_related'] = True
|
||||
break
|
||||
lookup_params['order_by'] = ((order_type == 'desc' and '-' or '') + lookup_order_field,)
|
||||
if lookup_opts.admin.search_fields and query:
|
||||
complex_queries = []
|
||||
for bit in query.split():
|
||||
or_queries = []
|
||||
for field_name in lookup_opts.admin.search_fields:
|
||||
or_queries.append(models.Q(**{'%s__icontains' % field_name: bit}))
|
||||
complex_queries.append(reduce(operator.or_, or_queries))
|
||||
lookup_params['complex'] = reduce(operator.and_, complex_queries)
|
||||
if opts.one_to_one_field:
|
||||
lookup_params.update(opts.one_to_one_field.rel.limit_choices_to)
|
||||
self.lookup_params = lookup_params
|
||||
|
||||
def change_list(request, app_label, model_name):
|
||||
model = get_model(app_label, model_name)
|
||||
if not request.user.has_perm(app_label + '.' + model._meta.get_change_permission()):
|
||||
raise PermissionDenied
|
||||
try:
|
||||
cl = ChangeList(request, model)
|
||||
except IncorrectLookupParameters:
|
||||
return HttpResponseRedirect(request.path)
|
||||
c = template.RequestContext(request, {
|
||||
'title': cl.title,
|
||||
'is_popup': cl.is_popup,
|
||||
'cl': cl,
|
||||
})
|
||||
c.update({'has_add_permission': c['perms'][app_label][cl.opts.get_add_permission()]}),
|
||||
return render_to_response(['admin/%s/%s/change_list' % (app_label, cl.opts.object_name.lower()),
|
||||
'admin/%s/change_list' % app_label,
|
||||
'admin/change_list'], context_instance=c)
|
||||
change_list = staff_member_required(change_list)
|
||||
|
|
|
|||
Loading…
Reference in New Issue