[Zope] zope product, object manager problem

Mon Jun 14 20:42:27 EDT 2004

Hey John,
Shouldn't your class also inherit from Globals.Persistent and
Aquisition.Implicit?
BTW the Zope Bible has does good job describing the zope product
developement.
David

----- Original Message ----- 
From: "John Hunter" <jdhunter at ace.bsd.uchicago.edu>
To: <zope at zope.org>
Sent: Monday, June 14, 2004 3:06 PM
Subject: [Zope] zope product, object manager problem

>
> I have a zope interface Person with a PersonImplementation that
> inherits from OFS.ObjectManager.  When I try to add some product (eg a
> Folder) instance to an instance of a Person, everything appears to
> work, but nothing shows up in the listing of the person.
>
> Eg if I go to
>
>   http://my.server:8080/sandbox/jdh/manage_main
>
> where jdh is a Person instance, I see
>
>   There are currently no items in jdh
>
> I am posting my code below in hopes someone can point out my mistake.
> I am trying to follow the code example from the ZDG.
>
> Thanks,
> John Hunter
>
>
> (Zope 2.5.1b1 (source release, python 2.1, linux2), python 2.1.3,
> linux2)
>
> from Person import Person
> import Products
> from AccessControl import ClassSecurityInfo
> from Globals import DTMLFile, InitializeClass
> from OFS.SimpleItem import SimpleItem
> from OFS.PropertyManager import PropertyManager
> from OFS.ObjectManager import ObjectManager
>
> class PersonImplementation(SimpleItem, PropertyManager,
>                            ObjectManager):
>     """
>     Person product class, implements Person interface.
>     """
>
>     __implements__=Person
>
>     meta_type='Person'
>     security=ClassSecurityInfo()
>
>     _properties=({'id':'first', 'type': 'string', 'mode': 'w'},
>                  {'id':'last', 'type': 'string', 'mode': 'w'},
>                  )
>
>
>     #_allowed_meta_types = ('Address', )
>
>     manage_options = (
>         ObjectManager.manage_options +
>         PropertyManager.manage_options +
>         SimpleItem.manage_options +
>         (
>         { 'label' : 'View', 'action' : 'index_html', },
>         )
>         )
>
>
>
>     security.declarePublic('index_html')
>     #security.declareProtected('View management screens', 'index_html')
>     index_html=DTMLFile('www/person/index_html', globals())
>
>     def __init__(self, id, first, last):
>         self.id=id
>         self.first = first
>         self.last = last
>
>     security.declarePublic('getFullName')
>     def getFullName(self):
>         "Return full name"
>         return '%s %s' % (self.first, self.last)
>
>     def getAge(self):
>         "Return age"
>         return 12
>
>     def all_meta_types(self):
>         """
>         Returns what meta_types can be added to the objectmanager
>         """
>         if hasattr(self, '_allowed_meta_types'):
>             result = []
>             for metaType in Products.meta_types:
>                 if metaType['name'] in self._allowed_meta_types:
>                     result.append(metaType)
>             return result
>         else:
>             return Products.meta_types
>
>
> def addPersonForm(dispatcher):
>     """
>     Returns an HTML form.
>     """
>     return """<html>
>     <head><title>Add Person</title></head>
>     <body>
>     <form action="addPersonFunction">
>     id <input type="type" name="id"><br>
>     first <input type="type" name="first"><br>
>     last <input type="type" name="last"><br>
>     <input type="submit" value="Add">
>     </form>
>     </body>
>     </html>"""
>
> def addPersonFunction(dispatcher, id, first, last, REQUEST=None):
>     """
>     Create a new person and add it to myself
>     """
>     n=PersonImplementation(id, first, last)
>     dispatcher.Destination()._setObject(id, n)
>
>     if REQUEST is not None:
>         return dispatcher.manage_main(dispatcher, REQUEST)
>
> InitializeClass(PersonImplementation)
>
>
>
>
>
>
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