fixed a bug #1790

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@35389 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Accessor/Translation.py

@@ -31,7 +31,7 @@ from Products.ERP5Type.PsycoWrapper import psyco
 from Acquisition import aq_base
 from Products.CMFCore.utils import getToolByName
 
-from Products.ERP5Type.Accessor.Base import func_code, ATTRIBUTE_PREFIX, evaluateTales, Getter as BaseGetter
+from Products.ERP5Type.Accessor.Base import func_code, ATTRIBUTE_PREFIX, evaluateTales, Getter as BaseGetter, Method
 from Products.ERP5Type.Accessor import Accessor, AcquiredProperty
 from Products.ERP5Type.Accessor.TypeDefinition import type_definition
 
@@ -217,3 +217,41 @@ class AcquiredPropertyGetter(AcquiredProperty.Getter):
         return value.getProperty(self._acquired_property, default, **kw)
       else:
         return default
+
+class TranslatedPropertyTester(Method):
+  """
+    Tests if an attribute value exists
+  """
+  _need__name__=1
+
+  # This is required to call the method form the Web
+  func_code = func_code()
+  func_code.co_varnames = ('self',)
+  func_code.co_argcount = 1
+  func_defaults = ()
+
+  def __init__(self, id, key, property_id, property_type, language, warning=0):
+    self._id = id
+    self.__name__ = id
+    self._property_id = property_id
+    self._property_type = property_type
+    self._null = type_definition[property_type]['null']
+    self._language = language
+    self._warning = warning
+
+  def __call__(self, instance, *args, **kw):
+    if self._warning:
+      LOG("ERP5Type Deprecated Tester Id:",0, self._id)
+    domain = instance.getProperty('%s_translation_domain' % self._property_id)
+
+    if domain==TRANSLATION_DOMAIN_CONTENT_TRANSLATION:
+      if self._language is None:
+        language = kw.get('language') or getToolByName(instance, 'Localizer').get_selected_language()
+      else:
+        language = self._language
+      try:
+        return instance.getPropertyTranslation(self._property_id, language) is not None
+      except KeyError:
+        return False
+    else:
+      return instance.getProperty(self._property_id) is not None

product/ERP5Type/Utils.py

@@ -2853,6 +2853,7 @@ def createTranslationLanguageAccessors(property_holder, property,
     composed_id = '%s_translated_%s' % (language_key, property['id'])
     capitalised_compose_id = UpperCase(composed_id)
 
+    # get
     getter_accessor_args = (property['id'], property['type'], language, default)
     accessor_dict_list.append({'name': 'get' + capitalised_compose_id,
                                'class': Translation.TranslatedPropertyGetter,
@@ -2863,7 +2864,14 @@ def createTranslationLanguageAccessors(property_holder, property,
                                'argument': getter_accessor_args,
                                'permission': read_permission})
 
-    setter_accessor_args = (property['id'], property['type'], language)
+    # has
+    has_accessor_args = (property['id'], property['type'], language)
+    accessor_dict_list.append({'name': 'has' + capitalised_compose_id,
+                               'class': Translation.TranslatedPropertyTester,
+                               'argument': has_accessor_args,
+                               'permission': read_permission})
+
+    # set
     accessor_dict_list.append({'name':'set' + capitalised_compose_id,
                                'key': '_set' + capitalised_compose_id,
                                'class': Alias.Reindex,