Source code for openstack_dashboard.templatetags.themes

# Copyright 2016 Hewlett Packard Enterprise Software, LLC
# All Rights Reserved.
#
# 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 __future__ import absolute_import

import os
from six.moves.urllib.request import pathname2url

from django.conf import settings
from django.contrib.staticfiles.storage import staticfiles_storage
from django import template

from horizon import themes as hz_themes

register = template.Library()


[docs]def get_theme(request): this_theme = hz_themes.get_default_theme() try: theme = request.COOKIES[hz_themes.get_theme_cookie_name()] for each_theme in hz_themes.get_themes(): if theme == each_theme[0]: this_theme = each_theme[0] except KeyError: pass return this_theme
[docs]def find_asset(theme, asset): theme_path = '' for name, label, path in hz_themes.get_themes(): if theme == name: theme_path = path theme_path = os.path.join(settings.ROOT_PATH, theme_path) # If there is a 'static' subdir of the theme, then use # that as the theme's asset root path static_path = os.path.join(theme_path, 'static') if os.path.exists(static_path): theme_path = static_path # The full path to the asset requested asset_path = os.path.join(theme_path, asset) if os.path.exists(asset_path): return_path = os.path.join(hz_themes.get_theme_dir(), theme, asset) else: return_path = os.path.join('dashboard', asset) return staticfiles_storage.url(pathname2url(return_path))
@register.assignment_tag()
[docs]def themes(): return hz_themes.get_themes()
@register.assignment_tag() @register.assignment_tag()
[docs]def theme_dir(): return hz_themes.get_theme_dir()
@register.assignment_tag(takes_context=True)
[docs]def current_theme(context): return get_theme(context.request)
@register.simple_tag(takes_context=True)
[docs]def themable_asset(context, asset): return find_asset(get_theme(context.request), asset)

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