I am creating a custom content container and am getting the intricacies of the addform browser zcml directive. When I add an object in the ZMI to my custom container I notice that the __setitem__() method is called after I hit "Add" button. I also see how the set_before_add and set_after_add options are used.
I notice that when the container's __setitem__ method is called with the new object, the attributes are not set. When do the attributes get set? In the editform directive this issue is resolved by providing a class and an update() method. I can be notified after the attributes have been changed so that I can perform my custom handling. However, how is custom handling done in addform? I could specify all the fields in the "set_before_add" option, but this is tedious and does not work well if the schema changes (because I have to remember to update the ZCML as well). My motive is that I'm creating content objects which will be stored in a MySQL database. When the objects are added through the ZMI I want to issue an update statement to the database with the newly added objects attributes. Hopefully I'm making some sense. Warm regards. Thanks in advance. -- David Johnson
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