check if the selection has changed

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@757 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/Coramy/skins/coramy_erp5/folder_workflow_status_modify.py

@@ -4,7 +4,7 @@
 ##bind namespace=
 ##bind script=script
 ##bind subpath=traverse_subpath
-##parameters=form_id,dialog_id,selection_name
+##parameters=form_id,dialog_id,selection_name,md5_object_uid_list=None
 ##title=
 ##
 from Products.Formulator.Errors import ValidationError, FormValidationError
@@ -24,33 +24,39 @@ try:
     if v is not None:
       kw[k] = v
   selection_list = context.portal_selections.callSelectionFor(selection_name, context=context)
-  for selection_item in selection_list:
-    o = selection_item.getObject()
-    workflow_action = kw['workflow_action']
-    action_list = o.portal_workflow.getActionsFor(o)
-    action_list = filter(lambda x:x.has_key('id'), action_list )
-    action_id_list = map(lambda x:x['id'], action_list)
-    # If the user is not allowed to do this transition, it will not be in action_list 
-    if workflow_action in action_id_list:
-      o.portal_workflow.doActionFor(
-          o,
-          workflow_action,
-          wf_id=kw['workflow_id'],
-          **kw)
-
-   # We will check if there's an error_message
-    history_data = None
-    try:
-      history_data = o.portal_workflow.getInfoFor(ob=o, name='history')
-    except:
-      pass
-    redirect_url = None
-    if history_data is not None:
-      last_history_data = history_data[len(history_data)-1]
-      this_error = last_history_data.get('error_message')
-      if this_error != None and this_error != '':
-        error_message += this_error + "-"
+  # Check if the selection did not changed
+  if md5_object_uid_list is not None:
+    object_uid_list = map(lambda x:x.getObject().getUid(),selection_list)
+    error = context.portal_selections.selectionHasChanged(md5_object_uid_list,object_uid_list)
+    if error:
+      error_message = 'Sorry+your+selection+has+changed'
+  if error_message == '':
+    for selection_item in selection_list:
+      o = selection_item.getObject()
+      workflow_action = kw['workflow_action']
+      action_list = o.portal_workflow.getActionsFor(o)
+      action_list = filter(lambda x:x.has_key('id'), action_list )
+      action_id_list = map(lambda x:x['id'], action_list)
+      # If the user is not allowed to do this transition, it will not be in action_list 
+      if workflow_action in action_id_list:
+        o.portal_workflow.doActionFor(
+            o,
+            workflow_action,
+            wf_id=kw['workflow_id'],
+            **kw)
 
+     # We will check if there's an error_message
+      history_data = None
+      try:
+        history_data = o.portal_workflow.getInfoFor(ob=o, name='history')
+      except:
+        pass
+      redirect_url = None
+      if history_data is not None:
+        last_history_data = history_data[len(history_data)-1]
+        this_error = last_history_data.get('error_message')
+        if this_error != None and this_error != '':
+          error_message += this_error + "-"
 except FormValidationError, validation_errors:
   # Pack errors into the request
   field_errors = form.ErrorFields(validation_errors)