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# coding: utf-8
# python imports
import re
# django imports
from django import template
from django.contrib.contenttypes.models import ContentType
from django.utils.formats import get_format
from django.utils.safestring import mark_safe
from django.db import models
from django.contrib import admin
from django.conf import settings
# grappelli imports
from grappelli.settings import *
register = template.Library()
# GENERIC OBJECTS
class do_get_generic_objects(template.Node):
def __init__(self):
pass
def render(self, context):
return_string = "{"
for c in ContentType.objects.all().order_by('id'):
return_string = "%s%d: {pk: %s, app: '%s', model: '%s'}," % (return_string, c.id, c.id, c.app_label, c.model)
return_string = "%s}" % return_string[:-1]
return return_string
def get_content_types(parser, token):
"""
Returns a list of installed applications and models.
Needed for lookup of generic relationships.
"""
tokens = token.contents.split()
return do_get_generic_objects()
register.tag('get_content_types', get_content_types)
# ADMIN_TITLE
def get_admin_title():
"""
Returns the Title for the Admin-Interface.
"""
return ADMIN_TITLE
register.simple_tag(get_admin_title)
# RETURNS CURRENT LANGUAGE
def get_lang():
return get_language()
register.simple_tag(get_lang)
# ADMIN_URL
def get_admin_url():
"""
Returns the URL for the Admin-Interface.
"""
return ADMIN_URL
register.simple_tag(get_admin_url)
def get_date_format():
return get_format('DATE_INPUT_FORMATS')[0]
register.simple_tag(get_date_format)
def get_time_format():
return get_format('TIME_INPUT_FORMATS')[0]
register.simple_tag(get_time_format)
def get_datetime_format():
return get_format('DATETIME_INPUT_FORMATS')[0]
register.simple_tag(get_datetime_format)
def grappelli_admin_title():
return ADMIN_TITLE
register.simple_tag(grappelli_admin_title)
# SEARCH FIELDS VERBOSE
class GetSearchFields(template.Node):
def __init__(self, opts, var_name):
self.opts = template.Variable(opts)
self.var_name = var_name
def render(self, context):
opts = str(self.opts.resolve(context)).split('.')
model = models.get_model(opts[0], opts[1])
try:
field_list = admin.site._registry[model].search_fields_verbose
except:
field_list = ""
context[self.var_name] = ", ".join(field_list)
return ""
def do_get_search_fields_verbose(parser, token):
"""
Get search_fields_verbose in order to display on the Changelist.
"""
try:
tag, arg = token.contents.split(None, 1)
except:
raise template.TemplateSyntaxError, "%s tag requires arguments" % token.contents.split()[0]
m = re.search(r'(.*?) as (\w+)', arg)
if not m:
raise template.TemplateSyntaxError, "%r tag had invalid arguments" % tag
opts, var_name = m.groups()
return GetSearchFields(opts, var_name)
register.tag('get_search_fields_verbose', do_get_search_fields_verbose)
@register.filter
def classname(obj, arg=None):
classname = obj.__class__.__name__.lower()
if arg:
if arg.lower() == classname:
return True
else:
return False
else:
return classname
# FORMSETSORT FOR SORTABLE INLINES
@register.filter
def formsetsort(formset, arg):
"""
Takes a list of formset dicts, returns that list sorted by the sortable field.
"""
if arg:
sorted_list = []
for item in formset:
position = item.form[arg].data
if position and position != "-1":
sorted_list.append((int(position), item))
sorted_list.sort()
sorted_list = [item[1] for item in sorted_list]
for item in formset:
position = item.form[arg].data
if not position or position == "-1":
sorted_list.append(item)
else:
sorted_list = formset
return sorted_list
# RELATED LOOKUPS
def get_related_lookup_fields_fk(model_admin):
try:
value = model_admin.related_lookup_fields.get("fk", [])
value = mark_safe(list(value))
except:
value = []
return value
register.simple_tag(get_related_lookup_fields_fk)
def get_related_lookup_fields_m2m(model_admin):
try:
value = model_admin.related_lookup_fields.get("m2m", [])
value = mark_safe(list(value))
except:
value = []
return value
register.simple_tag(get_related_lookup_fields_m2m)
def get_related_lookup_fields_generic(model_admin):
try:
value = model_admin.related_lookup_fields.get("generic", [])
value = mark_safe(list(value))
except:
value = []
return value
register.simple_tag(get_related_lookup_fields_generic)
# AUTOCOMPLETES
def get_autocomplete_lookup_fields_fk(model_admin):
try:
value = model_admin.autocomplete_lookup_fields.get("fk", [])
value = mark_safe(list(value))
except:
value = []
return value
register.simple_tag(get_autocomplete_lookup_fields_fk)
def get_autocomplete_lookup_fields_m2m(model_admin):
try:
value = model_admin.autocomplete_lookup_fields.get("m2m", [])
value = mark_safe(list(value))
except:
value = []
return value
register.simple_tag(get_autocomplete_lookup_fields_m2m)
def get_autocomplete_lookup_fields_generic(model_admin):
try:
value = model_admin.autocomplete_lookup_fields.get("generic", [])
value = mark_safe(list(value))
except:
value = []
return value
register.simple_tag(get_autocomplete_lookup_fields_generic)
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