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Project description
Installation
Add the package as dependency to your setup.py:
setup(...
install_requires=[
...
'ftw.theming',
])or to your buildout configuration:
[instance]
eggs += ftw.themingand rerun buildout.
SCSS Registry
The SCSS registry is configured with ZCML and contains all SCSS resources from ftw.theming, addons, the theme and policy packages.
Inspecting the SCSS registry
The @@theming-resources (on any navigation root) lists all resources.
Resource slots
The registry allows to register resources to a list of fix slots. These are the available slots, sorted by inclusion order:
top
variables
mixins
ftw.theming
addon
theme
policy
bottom
Adding resources
Adding SCSS resources is done in the ZCML of a package. The SCSS should always go into the same package where the styled templates are.
Registering a resource
<configure
xmlns:theme="http://namespaces.zope.org/ftw.theming"
xmlns:zcml="http://namespaces.zope.org/zcml"
i18n_domain="ftw.tabbedview">
<configure zcml:condition="installed ftw.theming">
<include package="ftw.theming" />
<theme:scss
file="resources/tabbed.scss"
slot="addon"
profile="ftw.tabbedview:default"
/>
</configure>
</configure>Options for standalone theme:scss
file: relative path to the SCSS file (required)
slot: name of the slot (see slots section, default: addon)
profile: Generic Setup profile required to be installed (default: no profile, e.g. my.package:default)
for: context interface (default: INavigationRoot)
layer: request layer interface (default: Interface)
before: name of the resource after which this resource should be ordered (within the same slot).
after: name of the resource before which this resource should be ordered (within the same slot)
Registering multiple resources
<configure
xmlns:theme="http://namespaces.zope.org/ftw.theming"
xmlns:zcml="http://namespaces.zope.org/zcml"
i18n_domain="plonetheme.fancy">
<include package="ftw.theming" />
<theme:resources
slot="theme"
profile="plonetheme.fancy:default"
layer="plonetheme.fancy.interfaces.IFancyTheme">
<theme:scss file="resources/foo.scss" />
<theme:scss file="resources/bar.scss" />
</theme:resources>
</configure>Options for theme:resources
slot: name of the slot (see slots section, default: addon)
profile: Generic Setup profile required to be installed (default: no profile, e.g. my.package:default)
for: context interface (default: INavigationRoot)
layer: request layer interface (default: Interface)
Options for theme:scss within theme:resources
file: relative path to the SCSS file (required)
before: name of the resource after which this resource should be ordered (within the same slot).
after: name of the resource before which this resource should be ordered (within the same slot)
Resource names
Each resource has an automatically generated name, which can be looked up in the @@theming-resources-view. The resource has the format [package]:[relative path].
Resource Ordering
The SCSS resources are ordered when retrieved from the registry, so that the order is as consistent as possible.
Ordering priority:
1. the resource’s slot (see the slot section below) 1. the before and after options (topological graph sorting), within each slot. 1. the ZCML load order of the resources
Be aware that the ZCML load order is usally random.
Resource factories for dynamic resources
A resource factory is a callable (accepting context and request) which returns a DynamicSCSSResource object. Since the callable instantiates the resource, it’s content can be created dynamically.
<configure
xmlns:theme="http://namespaces.zope.org/ftw.theming"
xmlns:zcml="http://namespaces.zope.org/zcml"
i18n_domain="plonetheme.fancy">
<include package="ftw.theming" />
<theme:scss_factory factory=".dynamic_resource_factory" />
</configure>from ftw.theming.interfaces import ISCSSResourceFactory
from ftw.theming.resource import DynamicSCSSResource
from zope.interface import provider
@provider(ISCSSResourceFactory)
def dynamic_resource_factory(context, request):
return DynamicSCSSResource('dynamic.scss', slot='addon', source='$color: blue;',
cachekey='1')When generating the SCSS is expensive in time, you should subclass the DynamicSCSSResource class and implement custom get_source and get_cachekey methods. The get_cachekey should be very lightweight and cheap: it is called on every pageview. It should return any string and only change the return value when the get_source result will change.
from Products.CMFCore.utils import getToolByName
from ftw.theming.interfaces import ISCSSResourceFactory
from ftw.theming.resource import DynamicSCSSResource
from zope.annotation import IAnnotations
from zope.interface import provider
class CustomSCSSResource(DynamicSCSSResource):
def get_source(self, context, request):
return 'body { background-color: $primary-color; }'
def get_cachekey(self, context, request):
portal = getToolByName(context, 'portal_url').getPortalObject()
config = IAnnotations(portal).get('my-custom-config', {})
return config.get('last-change-timestamp', '1')
@provider(ISCSSResourceFactory)
def dynamic_resource_factory(context, request):
return CustomSCSSResource('my.package:custom.scss', slot='addon')Control Panel
When ftw.theming is installed, a control panel is added, listing the SCSS resources and the default SCSS variables. The controlpanel views are available on any navigation root.
Icons
ftw.theming provides a portal type icon registry. The default iconset is font-awesome.
Declare icon for portal types
Portal type icons are declared in the scss file of the addon package. It is possible to support multiple icon sets by declaring icons for each iconset:
@include portal-type-font-awesome-icon(repository-folder, leaf);
@include portal-type-icon(repository-folder, "\e616", customicons);Using those mixins does not generate any CSS yet, nor does it introduce dependency to those iconset. It simply stores this information in a list to be processed later.
Switching iconset
A theme or policy package may change the iconset. The standard iconset is font-awesome. Changing the iconset should be done in an SCSS file in the variables slot.
$standard-iconset: customicons;Custom iconsets
The default iconset is font-awesome, which is automatically loaded and the necessary CSS is generated when the $standard-iconset variable is font-awesome.
For having custom iconsets an SCSS file must be registered in the bottom slot. This is usually done by a theme or policy package.
The SCSS file should apply the necessary CSS only when the $standard-iconset is set to this iconset:
@if $standard-iconset == customicons {
@font-face {
font-family: 'customicons';
src:url('#{$portal-url}/++theme++foo/fonts/customicons.eot?-fa99j8');
src:url('#{$portal-url}/++theme++foo/fonts/customicons.eot?#iefix-fa99j8') format('embedded-opentype'),
url('#{$portal-url}/++theme++foo/fonts/customicons.woff?-fa99j8') format('woff'),
url('#{$portal-url}/++theme++foo/fonts/customicons.ttf?-fa99j8') format('truetype'),
url('#{$portal-url}/++theme++foo/fonts/customicons.svg?-fa99j8#opengever') format('svg');
font-weight: normal;
font-style: normal;
}
.icons-on [class^="contenttype-"],
.icons-on [class*=" contenttype-"] {
&:before {
font-family: 'customicons';
content: "x";
text-align:center;
position: absolute;
}
}
@each $type, $value in get-portal-type-icons-for-iconset(font-awesome) {
body.icons-on .contenttype-#{$type} {
&:before {
content: $value;
}
}
}
}Functions
embed-resource
The embed-resource function embeds a resource (e.g. svg) as base64 encoded url.
Example:
.something {
background: embed-resource("images/foo.svg");
}The function is able to fill colors in SVGs. This can be done with either XPath or CSS selectors.
Since lxml is used for filling the SVGs and SVGs are namespaced XML documents, the expressions must be namespaced as well. This leads to problems when converting certain CSS selectors since CSS does not support namespaces.
Example:
.foo {
background: embed-resource("soccer.svg", $fill-css:('#pentagon', red));
}
.bar {
background: embed-resource("soccer.svg", $fill-xpath:('//*[@id="black_stuff"]/*[local-name()="g"][1]', red));
}SCSS Mixins
Using media queries Mixins
ftw.theming provides mixins for most common media queries:
phone (800px)
tablet (1024px)
desktop-M (1360px) - HD
desktop-L (1920px) - Full HD
desktop-XL (2560px) - WQHD
Example usage:
#container {
width: 1600px;
@include tablet {
width:1000px;
}
@include phone {
width:500px;
}
}Including font faces
@include font-face($name: 'VerdanaRegular', $path: '++resource++nidau.web/fonts/Verdana');The file-extension for the $path argument is going to be concatenated automatically. Both woff and woff2 must be provided.
The mixin then produces the following css code:
@font-face {
font-family: 'VerdanaRegular';
font-style: normal;
font-weight: normal;
src: url("++resource++nidau.web/fonts/Verdana.woff2") format(woff2),
url("++resource++nidau.web/fonts/Verdana.woff") format(woff);
}
@font-face {
font-family: 'VerdanaBold';
font-style: normal;
font-weight: bold;
src: url("++resource++nidau.web/fonts/Verdana-Bold.woff2") format(woff2),
url("++resource++nidau.web/fonts/Verdana-Bold.woff") format(woff);
}Links
Continuous integration: https://jenkins.4teamwork.ch/search?q=ftw.theming
Copyright
This package is copyright by 4teamwork.
ftw.theming is licensed under GNU General Public License, version 2.
Changelog
1.11.0 (2017-12-19)
Avoid using freeze in test_cachekey_refreshes_when_navroot_changes for plone 5.1, since we get a ReadConflictError. The value of the test does not change if we remove the freeze context manager. [mathias.leimgruber]
Implement Plone 5.1 compatibility [mathias.leimgruber]
1.10.2 (2017-07-03)
Introduce webkit-only mixin. [Kevin Bieri]
1.10.1 (2017-06-02)
Fix escaping of font type on fontface mixin. [Kevin Bieri]
Provide background option for tab-list mixin. [Kevin Bieri]
Introduce hyphenation mixin. [Bieri Kevin]
1.10.0 (2017-03-20)
Add uninstall profile [raphael-s]
Make sure the default profile is installed when installing ftw.theming with quickinstaller. [raphael-s]
1.9.0 (2017-02-09)
Update font-awesome to 4.7.0. [elioschmutz]
1.8.2 (2017-01-11)
1.8.1 was accidentally released from the wrong branch. Please use 1.8.2 instead. [Kevin Bieri]
Use two columns for print layout. [Kevin Bieri]
Avoid duplicate (mimetype) icons on “Image” types. [jone]
Introduce new mixins
Introduce link-color helper
Introduce font-face helper
Introduce rem helper
[Kevin Bieri]
1.8.0 (2016-10-06)
Switch from “private” to “public” caching, since the CSS does not contain any user specific data. [jone]
Fix caching for unpublished navigation roots by not using p.a.caching. [jone]
Introduce appearance helper [Kevin Bieri]
1.7.1 (2016-09-26)
Support replacing portal-type- and mimetype-icons. [jone]
Fix support for mimetype icons having long names. [jone, mbaechtold]
1.7.0 (2016-09-22)
Fix multi-fill support of embed-resource mixin, introducing a new syntax and signature. [Kevin Bieri]
1.6.1 (2016-08-08)
Reduce tab hover state The current hover state will be always the selected state [Kevin Bieri]
1.6.0 (2016-07-18)
Move zindex system from plonetheme.blueberry [Kevin Bieri]
1.5.2 (2016-07-06)
Use font family definitions from plonetheme.blueberry [Kevin Bieri]
1.5.1 (2016-06-23)
Support selected state of tab-list on link (a tag) too. [mathias.leimgruber]
ie-only slector now supports ms edge and IE11. [raphael-s]
1.5.0 (2016-05-26)
Introduce spinner mixin. [Kevin Bieri]
1.4.0 (2016-05-24)
Introduce ie-only mixin. [Kevin Bieri]
1.3.0 (2016-05-20)
Extend list-group mixin interface to configure the hover color. [Kevin Bieri]
Add new variable $color-content-background. [mathias.leimgruber]
Introduce overlay mixin. [Kevin Bieri]
Extend floatgrid with by-index directive. [Kevin Bieri]
1.2.0 (2016-03-30)
Introduce horizontal definition list mixin. [Kevin Bieri]
Responsive support for textareas. [Kevin Bieri]
Introduce portrait mixin. [Kevin Bieri]
Responsive support for input fields. [Kevin Bieri]
Introduce active list-group item mixin. [Kevin Bieri]
1.1.0 (2016-03-03)
Introduce progressbar. [Kevin Bieri]
Register imaging scales as dynamic SCSS resource. [Kevin Bieri]
Add label element mixins. [elioschmutz]
Introduce inverted link colors. Apply blueberry color scheme. [Kevin Bieri]
Update font-awesome to 4.5.0. [jone]
Add width-full functional class of grid system for legacy support. [Kevin Bieri]
Introduce floated grid system. [Kevin Bieri]
Use more modular and adaptive mixins to provide a base to build themes upon it. Deprecated variables are stil avilable but will be removed in the next major. So use the new variables set for further styling. [Kevin Bieri]
1.0.3 (2015-11-17)
Change collection / topic icons in order to avoid collision. [jone]
Add open office mimetype icons. [jone]
1.0.2 (2015-10-28)
Provide mimetype icons for solr flairs. [jone]
1.0.1 (2015-10-26)
Remove duplicate icon in search results for files. [jone]
1.0.0 (2015-09-30)
Initial implementation [jone]
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