Allow to reset components upon modification.

For now this is a global reset, meaning that everytime a component is changed,
all the component are reset, which is terrible from a performance point of
view.

product/ERP5Type/Core/DocumentComponent.py

@@ -58,6 +58,22 @@ class DocumentComponent(Base):
                        'Reference',
                        'TextDocument')
 
+
+    # XXX-arnau: per-component reset, global for now
+    # def reset(self):
+    #   import erp5
+    #
+    #   try:
+    #     component_namespace_name, module_name = self.getId().split('.')[1:]
+    #     component_namespace = getattr(erp5, component_namespace_name)
+    #   except (ValueError, AttributeError):
+    #     LOG("ERP5Type.Core.DocumentComponent", DEBUG,
+    #         "Invalid namespace %s..." % self.getId())
+    #   else:
+    #     if module_name in component_namespace.__dict__:
+    #       LOG("ERP5Type.Core.DocumentComponent", INFO, "Reset %s..." % self.getId())
+    #       getattr(component_namespace, module_name).restoreGhostState()
+
     def load(self):
       # XXX-arnau: There should be a load_source() taking a string rather than
       # creating a temporary file

product/ERP5Type/Tool/ComponentTool.py

@@ -31,6 +31,8 @@ from AccessControl import ClassSecurityInfo
 from Products.ERP5Type.Tool.BaseTool import BaseTool
 from Products.ERP5Type import Permissions
 
+from zLOG import LOG, INFO
+
 class ComponentTool(BaseTool):
   """
     This tool provides methods to load the the different types 
@@ -43,3 +45,28 @@ class ComponentTool(BaseTool):
 
   security = ClassSecurityInfo()
   security.declareObjectProtected(Permissions.AccessContentsInformation)
+
+  def reset(self):
+    """
+    XXX-arnau: global reset
+    """
+    import erp5.component
+
+    container_type_info = self.getPortalObject().portal_types.getTypeInfo(
+      self.getPortalType())
+
+    for content_type in container_type_info.getTypeAllowedContentTypeList():
+      module_name = content_type.split(' ')[0].lower()
+
+      try:
+        module = getattr(erp5.component, module_name)
+      # XXX-arnau: not everything is defined yet...
+      except AttributeError:
+        pass
+      else:
+        for name in module.__dict__.keys():
+          if name[0] != '_':
+            LOG("ERP5Type.Tool.ComponentTool", INFO,
+                "Global reset of %s.%s" % (module_name, name))
+
+            delattr(module, name)