Call checkConsistency of ComponentMixin superclass.

product/ERP5/bootstrap/erp5_core/PortalTypePropertySheetTemplateItem/property_sheet_list.xml

 <property_sheet_list>
  <portal_type id="Document Component">
-  <item>DocumentConstraint</item>
   <item>SortIndex</item>
  </portal_type>
  <portal_type id="Trash Bin">

product/ERP5/bootstrap/erp5_core/bt/change_log

+2012-02-25 arnaud.fontaine
+* Remove useless DocumentConstraint Property Sheet for Document Component.
+
 2012-02-24 arnaud.fontaine
 * In Component view, show the error field in the left.
 

product/ERP5/bootstrap/erp5_core/bt/revision

-41007
\ No newline at end of file
+41008
\ No newline at end of file

product/ERP5/bootstrap/erp5_core/bt/template_action_path_list

@@ -66,8 +66,8 @@ Content Existence Constraint | view
 Contribution Predicate | view
 Contribution Registry Tool | view
 Distributed Ram Cache | view
-Document | view
 Document Component | view
+Document | view
 Domain Generator | view
 Domain Tool | view
 Domain | view

product/ERP5/bootstrap/erp5_core/bt/template_portal_type_property_sheet_list

-Document Component | DocumentConstraint
 Document Component | SortIndex
 Trash Bin | Base
 Trash Bin | SimpleItem

product/ERP5/bootstrap/erp5_core/bt/template_portal_type_workflow_chain_list

@@ -22,10 +22,10 @@ Category | edit_workflow
 Component Tool | component_interaction_workflow
 Content Existence Constraint | dynamic_class_generation_interaction_workflow
 Distributed Ram Cache | distributed_ram_cache_interaction_workflow
-Document | edit_workflow
 Document Component | component_interaction_workflow
 Document Component | component_validation_workflow
 Document Component | edit_workflow
+Document | edit_workflow
 Dynamic Category Property | dynamic_class_generation_interaction_workflow
 Extension Component | component_interaction_workflow
 Extension Component | component_validation_workflow

product/ERP5/bootstrap/erp5_core/bt/template_workflow_id_list

 base_type_interaction_workflow
 business_template_building_workflow
 business_template_installation_workflow
-distributed_ram_cache_interaction_workflow
 component_interaction_workflow
 component_validation_workflow
+distributed_ram_cache_interaction_workflow
 dynamic_class_generation_interaction_workflow
 edit_workflow
 memcached_plugin_interaction_workflow

product/ERP5Type/mixin/component.py

@@ -163,7 +163,7 @@ class ComponentMixin(PropertyRecordableMixin, Base):
     """
     XXX-arnau: should probably be in a separate Constraint class?
     """
-    error_list = []
+    error_list = super(ComponentMixin, self).checkConsistency(*args, **kw)
     object_relative_url = self.getRelativeUrl()
 
     reference = self.getReference()