horizon/openstack_dashboard/dashboards/settings/user/forms.py
Ganesh Narayanan bd3ec44a46 Added more details to items per page help text
"Items per page" value setting is applicable only to those pages 
that have API supported pagination.  For example, if "Items per page"
value is set to say "3" and if we go to Admin > Identity Panel > Users
page, more than "3" items will be displayed if present.  This is
confusing to users.  So as part of this commit, the help text is modified
to reflect this limitation.

Change-Id: Ibbd4771829f0c312134eb275c797780be2b78410
Closes-Bug: 1431364
2015-04-16 03:38:15 +00:00

133 lines
5.2 KiB
Python

# 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 # noqa
import string
import babel
import babel.dates
from django.conf import settings
from django import shortcuts
from django.utils import encoding
from django.utils import translation
from django.utils.translation import ugettext_lazy as _
import pytz
from horizon import forms
from horizon import messages
def _one_year():
now = datetime.utcnow()
return datetime(now.year + 1, now.month, now.day, now.hour,
now.minute, now.second, now.microsecond, now.tzinfo)
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 (applies to the pages "
"that have API supported "
"pagination)"))
instance_log_length = forms.IntegerField(
label=_("Log Lines Per Instance"), min_value=1,
help_text=_("Number of log lines to be shown per instance"))
@staticmethod
def _sorted_zones():
d = datetime(datetime.today().year, 1, 1)
zones = [(tz, pytz.timezone(tz).localize(d).strftime('%z'))
for tz in pytz.common_timezones]
zones.sort(key=lambda zone: int(zone[1]))
return zones
def __init__(self, *args, **kwargs):
super(UserSettingsForm, self).__init__(*args, **kwargs)
# Languages
def get_language_display_name(code, desc):
try:
desc = translation.get_language_info(code)['name_local']
desc = string.capwords(desc)
except KeyError:
# If a language is not defined in django.conf.locale.LANG_INFO
# get_language_info raises KeyError
pass
return "%s (%s)" % (desc, code)
languages = [(k, get_language_display_name(k, v))
for k, v in settings.LANGUAGES]
self.fields['language'].choices = languages
# Timezones
timezones = []
language = translation.get_language()
current_locale = translation.to_locale(language)
babel_locale = babel.Locale.parse(current_locale)
for tz, offset in self._sorted_zones():
try:
utc_offset = _("UTC %(hour)s:%(min)s") % {"hour": offset[:3],
"min": offset[3:]}
except Exception:
utc_offset = ""
if tz == "UTC":
tz_name = _("UTC")
elif tz == "GMT":
tz_name = _("GMT")
else:
tz_label = babel.dates.get_timezone_location(
tz, locale=babel_locale)
# Translators: UTC offset and timezone label
tz_name = _("%(offset)s: %(label)s") % {"offset": utc_offset,
"label": tz_label}
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
response.set_cookie(settings.LANGUAGE_COOKIE_NAME, lang_code,
expires=_one_year())
# Timezone
request.session['django_timezone'] = pytz.timezone(
data['timezone']).zone
response.set_cookie('django_timezone', data['timezone'],
expires=_one_year())
request.session['horizon_pagesize'] = data['pagesize']
response.set_cookie('horizon_pagesize', data['pagesize'],
expires=_one_year())
request.session['instance_log_length'] = data['instance_log_length']
response.set_cookie('instance_log_length',
data['instance_log_length'], expires=_one_year())
with translation.override(lang_code):
messages.success(request,
encoding.force_text(_("Settings saved.")))
return response