src/pyams_gis/utility.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_gis.interfaces.configuration import IMapConfigurationTarget
       
    20 from pyams_gis.interfaces.utility import IMapManager
       
    21 from pyams_i18n.interfaces import II18n
       
    22 
       
    23 # import packages
       
    24 from pyams_utils.registry import get_utility
       
    25 from pyams_utils.request import check_request
       
    26 from pyams_utils.vocabulary import vocabulary_config
       
    27 from zope.container.folder import Folder
       
    28 from zope.interface import implementer
       
    29 from zope.schema.vocabulary import SimpleVocabulary, SimpleTerm
       
    30 
       
    31 
       
    32 @implementer(IMapManager, IMapConfigurationTarget)
       
    33 class MapManager(Folder):
       
    34     """Map manager utility"""
       
    35 
       
    36 
       
    37 @vocabulary_config(name='PyAMS map layers')
       
    38 class MapLayersVocabulary(SimpleVocabulary):
       
    39     """Map manager layers vocabulary"""
       
    40 
       
    41     def __init__(self, context):
       
    42         request = check_request()
       
    43         manager = get_utility(IMapManager)
       
    44         super(MapLayersVocabulary, self).__init__([SimpleTerm(layer.__name__,
       
    45                                                               title=II18n(layer).query_attribute('title',
       
    46                                                                                                  request=request))
       
    47                                                    for layer in manager.values()])