Make generated behaviors language independent (#67)

* Make generated behaviors language independent

* Use taxonomy default language for indexing if current language is not available

* use api for current language

CHANGES.rst

@@ -4,6 +4,12 @@ Changes
 2.0.0 (unreleased)
 ------------------
 
+- Use taxonomy default language for indexing if current language is not available
+  [agitator]
+
+- Make generated behaviors language independent
+  [agitator]
+
 - export selected taxonomies as ZIPed folder with XML files
   [petschki]
 

src/collective/taxonomy/behavior.py

@@ -28,6 +28,15 @@
 from zope.component.hooks import getSite
 from zope.interface import alsoProvides
 from zope.interface import implementer
+import pkg_resources
+
+try:
+    pkg_resources.get_distribution('plone.app.multilingual')
+except pkg_resources.DistributionNotFound:
+    HAS_PAM = False
+else:
+    from plone.app.multilingual.dx.interfaces import ILanguageIndependentField
+    HAS_PAM = True
 
 logger = logging.getLogger("collective.taxonomy")
 
@@ -192,4 +201,8 @@ def generateInterface(self):
             )
 
         alsoProvides(schemaclass, IFormFieldProvider)
+
+        if HAS_PAM:
+            alsoProvides(schemaclass[self.field_name], ILanguageIndependentField)
+
         return schemaclass

src/collective/taxonomy/indexer.py

@@ -55,6 +55,9 @@ def __call__(self):
                     found.append((identifier, language, path,))
 
         lang = get_language(self.context)
+        if lang not in utility.inverted_data:
+            lang = utility.default_language
+
         result = []
         for (key, value) in utility.inverted_data[lang].items():
             for (found_identifier, found_language, found_path) in found:

src/collective/taxonomy/utility.py

@@ -291,9 +291,7 @@ def translate(self, msgid, mapping=None, context=None,
 
         if target_language is None or \
                 target_language not in self.inverted_data:
-            target_language = str(self.getCurrentLanguage(
-                getattr(context, 'REQUEST')
-            ))
+            target_language = str(api.portal.get_current_language())
 
         if msgid not in self.inverted_data[target_language]:
             return ''