Introduce the ajax_load theme parameter and skip diazo theming, if set.

Author: thet

news/+ajax_load.feature.md

@@ -0,0 +1 @@
+Introduce the ajax_load theme parameter and skip diazo theming, if set.

plonetheme/barceloneta/configure.zcml

@@ -7,6 +7,7 @@
 
   <include package="plone.resource" />
   <include package="plone.app.theming" />
+  <include package=".upgrades" />
 
   <!-- Diazo themes -->
   <plone:static
@@ -23,13 +24,4 @@
       directory="profiles/default"
       />
 
-  <!-- upgrade step -->
-  <genericsetup:upgradeDepends
-      title="Upgrade registry"
-      profile="plonetheme.barceloneta:default"
-      source="1"
-      destination="2"
-      import_steps="plone.app.registry"
-      />
-
 </configure>

plonetheme/barceloneta/profiles/default/metadata.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <metadata>
-  <version>2</version>
+  <version>3</version>
   <dependencies>
     <dependency>profile-plone.app.theming:default</dependency>
   </dependencies>

plonetheme/barceloneta/theme/manifest.cfg

@@ -16,4 +16,5 @@ development-js =
 production-js =
 
 [theme:parameters]
+ajax_load = python:request.get('ajax_load')
 portal_url = portal_state/portal_url

plonetheme/barceloneta/theme/rules.xml

@@ -9,6 +9,7 @@
   <!-- <xi:include href="++theme++barceloneta/grid-col-marker.xml"/> -->
 
   <theme href="index.html" />
+  <notheme if="$ajax_load" /><!-- don't theme ajax requests -->
   <notheme css:if-not-content="#visual-portal-wrapper" />
   <notheme css:if-content=".template-manage-viewlets" />
 

plonetheme/barceloneta/upgrades/__init__.py

@@ -0,0 +1,22 @@
+<configure
+    xmlns="http://namespaces.zope.org/zope"
+    xmlns:genericsetup="http://namespaces.zope.org/genericsetup"
+    >
+
+  <genericsetup:upgradeDepends
+      title="Upgrade registry"
+      profile="plonetheme.barceloneta:default"
+      source="1"
+      destination="2"
+      import_steps="plone.app.registry"
+      />
+
+  <genericsetup:upgradeStep
+      title="Add ajax_load theme parameter."
+      profile="plonetheme.barceloneta:default"
+      source="2"
+      destination="3"
+      handler=".upgrades.reload_theme"
+      />
+
+</configure>

plonetheme/barceloneta/upgrades/configure.zcml

@@ -0,0 +1,13 @@
+from plone.app.theming import utils as theme_utils
+
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+def reload_theme(context):
+    # Reload theme to add ajax_load theme parameter.
+    if theme_utils.getCurrentTheme() == "barceloneta":
+        theme = theme_utils.getTheme("barceloneta")
+        theme_utils.applyTheme(theme)
+        logger.info("Reloaded Barceloneta.")