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from ajax_select import get_lookup
from django.contrib.admin import site
from django.db import models
from django.http import HttpResponse
from django.utils import simplejson
def ajax_lookup(request,channel):
""" this view supplies results for foreign keys and many to many fields """
# it should come in as GET unless global $.ajaxSetup({type:"POST"}) has been set
# in which case we'll support POST
if request.method == "GET":
# we could also insist on an ajax request
if 'term' not in request.GET:
return HttpResponse('')
query = request.GET['term']
else:
if 'term' not in request.POST:
return HttpResponse('') # suspicious
query = request.POST['term']
lookup = get_lookup(channel)
if hasattr(lookup,'check_auth'):
lookup.check_auth(request)
if len(query) >= getattr(lookup, 'min_length', 1):
instances = lookup.get_query(query,request)
else:
instances = []
results = simplejson.dumps([
{
'pk': unicode(getattr(item,'pk',None)),
'value': lookup.get_result(item),
'match' : lookup.format_match(item),
'repr': lookup.format_item_display(item)
} for item in instances
])
return HttpResponse(results, mimetype='application/javascript')
def add_popup(request,app_label,model):
""" this presents the admin site popup add view (when you click the green +)
make sure that you have added ajax_select.urls to your urls.py:
(r'^ajax_select/', include('ajax_select.urls')),
this URL is expected in the code below, so it won't work under a different path
this view then hijacks the result that the django admin returns
and instead of calling django's dismissAddAnontherPopup(win,newId,newRepr)
it calls didAddPopup(win,newId,newRepr) which was added inline with bootstrap.html
"""
themodel = models.get_model(app_label, model)
admin = site._registry[themodel]
# TODO : should detect where we really are
admin.admin_site.root_path = "/ajax_select/"
response = admin.add_view(request,request.path)
if request.method == 'POST':
if 'opener.dismissAddAnotherPopup' in response.content:
return HttpResponse( response.content.replace('dismissAddAnotherPopup','didAddPopup' ) )
return response
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