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1 # |
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2 # Copyright (c) 2015-2021 Thierry Florac <tflorac AT ulthar.net> |
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3 # All Rights Reserved. |
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4 # |
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5 # This software is subject to the provisions of the Zope Public License, |
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6 # Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution. |
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7 # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED |
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8 # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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9 # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS |
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10 # FOR A PARTICULAR PURPOSE. |
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11 # |
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12 |
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13 """PyAMS_portal.skin.template module |
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14 |
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15 This module provides a TALES extension which allows to get current template |
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16 configuration and CSS class. |
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17 """ |
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18 |
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19 __docformat__ = 'restructuredtext' |
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20 |
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21 from zope.interface import Interface |
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22 |
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23 from pyams_portal.interfaces import IPortalContext, IPortalPage |
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24 from pyams_skin.layer import IPyAMSLayer |
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25 from pyams_utils.adapter import ContextRequestViewAdapter, adapter_config |
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26 from pyams_utils.interfaces.tales import ITALESExtension |
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27 from pyams_utils.traversing import get_parent |
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28 |
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29 |
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30 @adapter_config(name='template_container_class', |
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31 context=(Interface, IPyAMSLayer, Interface), |
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32 provides=ITALESExtension) |
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33 class TemplateContainerClassTALESExtension(ContextRequestViewAdapter): |
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34 """Template class getter TALES extension""" |
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35 |
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36 def render(self, context=None, default=''): |
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37 if context is None: |
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38 context = self.context |
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39 result = default |
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40 portal_context = get_parent(context, IPortalContext) |
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41 if portal_context is not None: |
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42 page = IPortalPage(portal_context, None) |
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43 if page is not None: |
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44 template = page.template |
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45 if template is not None: |
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46 result = template.css_class |
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47 return result |