Forums / General / Help: how to have an attribute?
christian bencivenni
Thursday 27 March 2008 9:48:34 am
Hello.I need to know if is possible to have, in a class definition, a numeric attribute which is filled with the id of the object at the moment of the object creation automatically.
So when an object is created from a user the attribute automatically gets the id of the object (which is unique) and I can also use it for the Object Name Pattern to name the object created.
Do you think is it possible?I really need to know it.
Thank you
Tuesday 01 April 2008 1:05:47 am
No one can help me? I think it can be realized with a code that fetch the object id, then I need to put this value into an attribute (not editable from users). Something like the User Account datatype. Someone can tell me an idea on how to realize it?Thanks a lot.
André R.
Tuesday 01 April 2008 3:38:40 am
create a simple datatype that just stores the object id in an attribute ( not if you use node id: the object doesn't necessary have a node ).Or use a int attribute and override the edit template of it for that particular attribute identifier, where you set the id in a hidden input box (again note that object might not have a node id).
I'm not sure why you need this though, since you can always get the node id / object id by code.template:
{def $obj_id = $my_object.id $node_id = $my_object.main_node_id}
$node_id will be 'null' if the object doesn't have a node.
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Tuesday 01 April 2008 11:57:57 pm
Sorry I made a mistake in my second post. I always mean OBJECT id (not node id). The scope of the attribute is simple: I had to add a unique identification code automatically in the object name at the moment of creation but I don't want to store all the codes in a db table and implement function to search, test and store codes. So I thinked to use the object id which is already unique. The only problem for me is to assemble a datatpe which made the job and is invisible to the user, and use it to generate the Object Name Pattern in the class definition. Do I have other options? Is it possible to define the Object Name Pattern with the object id without create a persnalized datatype?