src/pyams_skin/viewlet/flags/__init__.py
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     1 #
       
     2 # Copyright (c) 2008-2015 Thierry Florac <tflorac AT ulthar.net>
       
     3 # All Rights Reserved.
       
     4 #
       
     5 # This software is subject to the provisions of the Zope Public License,
       
     6 # Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
       
     7 # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
       
     8 # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
       
     9 # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
       
    10 # FOR A PARTICULAR PURPOSE.
       
    11 #
       
    12 
       
    13 __docformat__ = 'restructuredtext'
       
    14 
       
    15 
       
    16 # import standard library
       
    17 
       
    18 # import interfaces
       
    19 from pyams_i18n.interfaces import INegotiator
       
    20 from pyams_skin.layer import IPyAMSLayer
       
    21 
       
    22 # import packages
       
    23 from pyams_i18n.language import BASE_LANGUAGES
       
    24 from pyams_template.template import template_config
       
    25 from pyams_utils.registry import query_utility
       
    26 from pyams_viewlet.viewlet import contentprovider_config
       
    27 
       
    28 
       
    29 @contentprovider_config(name='pyams.flags', layer=IPyAMSLayer)
       
    30 @template_config(template='flags.pt', layer=IPyAMSLayer)
       
    31 class FlagsContentProvider(object):
       
    32     """Flags content provider"""
       
    33 
       
    34     @property
       
    35     def langs(self):
       
    36         negotiator = query_utility(INegotiator)
       
    37         if negotiator is not None:
       
    38             return negotiator.offered_languages or (self.request.locale_name,)
       
    39         return self.request.locale_name
       
    40 
       
    41     def get_label(self, lang):
       
    42         translate = self.request.localizer.translate
       
    43         return translate(BASE_LANGUAGES.get(lang))
       
    44 
       
    45     @property
       
    46     def current(self):
       
    47         negotiator = query_utility(INegotiator)
       
    48         if negotiator is not None:
       
    49             return negotiator.get_language(self.request) or self.request.locale_name
       
    50         return self.request.locale_name