master trunk of gnowsys-studio

2 files changed, 177 insertions, 0 deletions

diff --git a/demo/grappelli/views/__init__.py b/demo/grappelli/views/__init__.py
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/demo/grappelli/views/__init__.py
diff --git a/demo/grappelli/views/related.py b/demo/grappelli/views/related.py
new file mode 100644
index 00000000..10aa9831
--- /dev/null
+++ b/demo/grappelli/views/related.py
@@ -0,0 +1,177 @@
+# Copyright (c) 2011,  2012 Free Software Foundation
+
+#     This program is free software: you can redistribute it and/or modify
+#     it under the terms of the GNU Affero General Public License as
+#     published by the Free Software Foundation, either version 3 of the
+#     License, or (at your option) any later version.
+
+#     This program is distributed in the hope that it will be useful,
+#     but WITHOUT ANY WARRANTY; without even the implied warranty of
+#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#     GNU Affero General Public License for more details.
+
+#     You should have received a copy of the GNU Affero General Public License
+#     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+# This project incorporates work covered by the following copyright and permission notice:  
+
+#    Copyright (c) 2009, Julien Fache
+#    All rights reserved.
+
+#    Redistribution and use in source and binary forms, with or without
+#    modification, are permitted provided that the following conditions
+#    are met:
+
+#    * Redistributions of source code must retain the above copyright
+#      notice, this list of conditions and the following disclaimer.
+#    * Redistributions in binary form must reproduce the above copyright
+#      notice, this list of conditions and the following disclaimer in
+#      the documentation and/or other materials provided with the
+#      distribution.
+#    * Neither the name of the author nor the names of other
+#      contributors may be used to endorse or promote products derived
+#      from this software without specific prior written permission.
+
+#    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+#    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+#    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+#    FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+#    COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+#    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+#    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+#    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+#    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+#    STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+#    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+#    OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Copyright (c) 2011,  2012 Free Software Foundation
+
+#     This program is free software: you can redistribute it and/or modify
+#     it under the terms of the GNU Affero General Public License as
+#     published by the Free Software Foundation, either version 3 of the
+#     License, or (at your option) any later version.
+
+#     This program is distributed in the hope that it will be useful,
+#     but WITHOUT ANY WARRANTY; without even the implied warranty of
+#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#     GNU Affero General Public License for more details.
+
+#     You should have received a copy of the GNU Affero General Public License
+#     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+# coding: utf-8
+
+# PYTHON IMPORTS
+import operator
+
+# DJANGO IMPORTS
+from django.http import HttpResponse, HttpResponseForbidden, HttpResponseNotFound
+from django.db import models
+from django.db.models.query import QuerySet
+from django.views.decorators.cache import never_cache
+from django.utils.translation import ugettext as _
+from django.utils.translation import ungettext
+from django.utils.encoding import smart_str
+import django.utils.simplejson as simplejson
+
+
+def returnattr(obj, attr):
+    if callable(getattr(obj, attr)):
+        return getattr(obj, attr)()
+    return getattr(obj, attr)
+
+
+def get_label(f):
+    if getattr(f, "related_label", None):
+        return f.related_label()
+    return f.__unicode__()
+
+
+@never_cache
+def related_lookup(request):
+    if not (request.user.is_active and request.user.is_staff):
+        return HttpResponseForbidden('<h1>Permission denied</h1>')
+    data = []
+    if request.method == 'GET':
+        if request.GET.has_key('object_id') and request.GET.has_key('app_label') and request.GET.has_key('model_name'):
+            object_id = request.GET.get('object_id')
+            app_label = request.GET.get('app_label')
+            model_name = request.GET.get('model_name')
+            if object_id:
+                try:
+                    model = models.get_model(app_label, model_name)
+                    obj = model.objects.get(pk=object_id)
+                    data.append({"value":obj.id,"label":get_label(obj)})
+                    return HttpResponse(simplejson.dumps(data), mimetype='application/javascript')
+                except:
+                    pass
+    data = [{"value":None,"label":""}]
+    return HttpResponse(simplejson.dumps(data), mimetype='application/javascript')
+
+
+@never_cache
+def m2m_lookup(request):
+    if not (request.user.is_active and request.user.is_staff):
+        return HttpResponseForbidden('<h1>Permission denied</h1>')
+    data = []
+    if request.method == 'GET':
+        if request.GET.has_key('object_id') and request.GET.has_key('app_label') and request.GET.has_key('model_name'):
+            object_ids = request.GET.get('object_id').split(',')
+            app_label = request.GET.get('app_label')
+            model_name = request.GET.get('model_name')
+            model = models.get_model(app_label, model_name)
+            data = []
+            if len(object_ids):
+                for obj_id in object_ids:
+                    if obj_id:
+                        try:
+                            obj = model.objects.get(pk=obj_id)
+                            data.append({"value":obj.id,"label":get_label(obj)})
+                        except:
+                            data.append({"value":obj_id,"label":_("?")})
+            return HttpResponse(simplejson.dumps(data), mimetype='application/javascript')
+    data = [{"value":None,"label":""}]
+    return HttpResponse(simplejson.dumps(data), mimetype='application/javascript')
+
+
+@never_cache
+def autocomplete_lookup(request):
+    if not (request.user.is_active and request.user.is_staff):
+        return HttpResponseForbidden('<h1>Permission denied</h1>')
+    data = []
+    if request.method == 'GET':
+        if request.GET.has_key('term') and request.GET.has_key('app_label') and request.GET.has_key('model_name'):
+            term = request.GET.get("term")
+            app_label = request.GET.get('app_label')
+            model_name = request.GET.get('model_name')
+            model = models.get_model(app_label, model_name)
+            filters = {}
+            # FILTER
+            if request.GET.get('query_string', None):
+                for item in request.GET.get('query_string').split("&"):
+                    if item.split("=")[0] != "t":
+                        filters[smart_str(item.split("=")[0])]=smart_str(item.split("=")[1])
+            # SEARCH
+            qs = model._default_manager.all()
+            for bit in term.split():
+                search = [models.Q(**{smart_str(item):smart_str(bit)}) for item in model.autocomplete_search_fields()]
+                search_qs = QuerySet(model)
+                search_qs.dup_select_related(qs)
+                search_qs = search_qs.filter(reduce(operator.or_, search))
+                qs = qs & search_qs
+            data = [{"value":f.pk,"label":u'%s' % get_label(f)} for f in qs[:10]]
+            label = ungettext(
+                '%(counter)s result',
+                '%(counter)s results',
+            len(data)) % {
+                'counter': len(data),
+            }
+            #data.insert(0, {"value":None,"label":label})
+            return HttpResponse(simplejson.dumps(data), mimetype='application/javascript')
+    data = [{"value":None,"label":_("Server error")}]
+    return HttpResponse(simplejson.dumps(data), mimetype='application/javascript')
+
+