[Zope] Make a Python Products Add list show only certain meta types?

[Andrew Kenneth Milton]

+----[ Kapil Thangavelu ]---------------------------------------------
| Kevin Howe wrote:
| > 
| > I have a custom Python class (Container)  which uses Folder as it's base
| > class. I also have a custom Python class (AnObject). I want it so that when
| > you view a Container object, "AnObject" will be the only meta_type available
| > to be added in the Add List. The problem is that since Container inherits
| > from Folder, the Add List makes all object types available to be added. Is
| > there any way to tell a class to show only certain meta_types?
| > 
| > Kevin
| > 
| 
| There is more than one way. The proper way would probably to be adjust
| the security settings on your class in python (filtered_metatypes?). 

The simplest way is to;

    all_meta_types=meta_types=({'name':'Sub Object1',
                                'action':'manage_addSubObject1Form',},
                               {'name':'Sub Object2',
                                'action':'manage_addObject2Form',},)

In your 'base' product.

If you don't register your sub objects in __init__.py you will also
need to import their 'constructors' into your base class, and explictly
declare the icon under misc_


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