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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 Nebula, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from datetime import datetime
import pytz
from django.conf import settings
from django import shortcuts
from django.utils import translation
from django.utils.translation import ugettext_lazy as _
from horizon import forms
from horizon import messages
class UserSettingsForm(forms.SelfHandlingForm):
language = forms.ChoiceField(label=_("Language"))
timezone = forms.ChoiceField(label=_("Timezone"))
pagesize = forms.IntegerField(label=_("Items Per Page"),
min_value=1,
max_value=getattr(settings,
'API_RESULT_LIMIT',
1000),
help_text=_("Number of items to show per "
"page"))
def __init__(self, *args, **kwargs):
super(UserSettingsForm, self).__init__(*args, **kwargs)
# Languages
languages = [(k, "%s (%s)"
% (translation.get_language_info(k)['name_local'], k))
for k, v in settings.LANGUAGES]
self.fields['language'].choices = languages
# Timezones
d = datetime(datetime.today().year, 1, 1)
timezones = []
for tz in pytz.common_timezones:
try:
utc_offset = pytz.timezone(tz).localize(d).strftime('%z')
utc_offset = " (UTC %s:%s)" % (utc_offset[:3], utc_offset[3:])
except:
utc_offset = ""
if tz != "UTC":
tz_name = "%s%s" % (tz, utc_offset)
else:
tz_name = tz
timezones.append((tz, tz_name))
self.fields['timezone'].choices = timezones
def handle(self, request, data):
response = shortcuts.redirect(request.build_absolute_uri())
# Language
lang_code = data['language']
if lang_code and translation.check_for_language(lang_code):
if hasattr(request, 'session'):
request.session['django_language'] = lang_code
else:
response.set_cookie(settings.LANGUAGE_COOKIE_NAME, lang_code)
# Timezone
request.session['django_timezone'] = pytz.timezone(
data['timezone']).zone
request.session['horizon_pagesize'] = data['pagesize']
messages.success(request, _("Settings saved."))
return response
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