Fixed bug for method properties in getSearchableText.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@13681 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/Document.py

@@ -455,6 +455,13 @@ class Document(XMLObject, UrlMixIn, ConversionCacheMixin, SnapshotMixin):
       """
         we try to get a list, else we get value and convert to list
       """
+      method = getattr(self, property, None)
+      if method is not None:
+        if callable(method):
+          val = method()
+          if isinstance(val, list) or isinstance(val, tuple):
+            return list(val)
+          return [str(val)]
       val = self.getPropertyList(property)
       if val is None:
         val = self.getProperty(property)