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README for the 'browser/stylesheets/' directory
===============================================
This folder is a Zope 3 Resource Directory acting as a repository for
stylesheets.
Its declaration is located in 'browser/configure.zcml':
<!-- Resource directory for stylesheets -->
<browser:resourceDirectory
name="fedoratheme.kindofblue.stylesheets"
directory="stylesheets"
layer=".interfaces.IThemeSpecific"
/>
A stylesheet placed in this directory (e.g. 'main.css') can be accessed from
this relative URL:
"++resource++fedoratheme.kindofblue.stylesheets/main.css"
Note that it might be better to register each of these resources separately if
you want them to be overridable from zcml directives.
The only way to override a resource in a resource directory is to override the
entire directory (all elements have to be copied over).
A Zope 3 browser resource declared like this in 'browser/configure.zcml':
<browser:resource
name="main.css"
file="stylesheets/main.css"
layer=".interfaces.IThemeSpecific"
/>
can be accessed from this relative URL:
"++resource++main.css"
Notes
-----
* Stylesheets registered as Zope 3 resources might be flagged as not found in
the 'portal_css' tool if the layer they are registered for doesn't match the
default skin set in 'portal_skins'.
This can be confusing but it must be considered as a minor bug in the CSS
registry instead of a lack in the way Zope 3 resources are handled in
Zope 2.
* There might be a way to interpret DTML from a Zope 3 resource view.
Although, if you need to use DTML for setting values in a stylesheet (the
same way as in default Plone stylesheets where values are read from
'base_properties'), it is much easier to store it in a directory that is
located in the 'skins/' folder of your package, registered as a File System
Directory View in the 'portal_skins' tool, and added to the layers of your
skin.
* Customizing/overriding stylesheets that are originally accessed from the
'portal_skins' tool (e.g. Plone default stylesheets) can be done inside that
tool only. There is no known way to do it with Zope 3 browser resources.
Vice versa, there is no known way to override a Zope 3 browser resource from
a skin layer in 'portal_skins'.
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