#
# Copyright (c) 2008-2015 Thierry Florac <tflorac AT ulthar.net>
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
__docformat__ = 'restructuredtext'
from pyramid.interfaces import IRequest
from zope.dublincore.interfaces import IZopeDublinCore
from zope.interface import Interface
from pyams_skin import myams
from pyams_skin.interfaces import ISkinnable
from pyams_skin.interfaces.resources import IResources
from pyams_skin.layer import IPyAMSUserLayer
from pyams_utils.adapter import ContextRequestViewAdapter, adapter_config
from pyams_utils.fanstatic import ExternalResource
from pyams_utils.interfaces.tales import ITALESExtension
from pyams_utils.traversing import get_parent
from pyams_utils.url import absolute_url
[docs]@adapter_config(context=(Interface, IRequest, Interface), provides=IResources)
class ResourcesAdapter(ContextRequestViewAdapter):
"""Get context resources"""
resources = (myams,)
[docs]@adapter_config(name='custom-skin', context=(Interface, IPyAMSUserLayer, Interface), provides=IResources)
class CustomSkinResourcesAdapter(ContextRequestViewAdapter):
"""Custom skin resources adapter"""
weight = 999
@property
def resources(self):
main_resources = self.request.registry.queryMultiAdapter((self.context, self.request, self.view), IResources)
if main_resources is not None:
main_resource = main_resources.resources[-1]
library = main_resource.library
parent_resources = (main_resource,)
skin_parent = get_parent(self.request.context, ISkinnable).skin_parent
custom_css = skin_parent.custom_stylesheet
if custom_css:
modified = IZopeDublinCore(custom_css).modified
custom_css_url = absolute_url(custom_css, self.request, query={'_': modified.timestamp()})
resource = library.known_resources.get(custom_css_url)
if resource is None:
resource = ExternalResource(library, custom_css_url, resource_type='css',
depends=parent_resources)
yield resource
custom_js = skin_parent.custom_script
if custom_js:
modified = IZopeDublinCore(custom_js).modified
custom_js_url = absolute_url(custom_js, self.request, query={'_': modified.timestamp()})
resource = library.known_resources.get(custom_js_url)
if resource is None:
resource = ExternalResource(library, custom_js_url, resource_type='js',
depends=parent_resources, bottom=True)
yield resource
[docs]@adapter_config(name='resources', context=(Interface, IRequest, Interface), provides=ITALESExtension)
class ResourcesTalesExtension(ContextRequestViewAdapter):
"""extension:resources TALES extension"""
[docs] def render(self, context=None):
if context is None:
context = self.context
for name, adapter in sorted(self.request.registry.getAdapters((context, self.request, self.view), IResources),
key=lambda x: getattr(x[1], 'weight', 0)):
for resource in adapter.resources:
resource.need()
return ''