def add_to_cache(self, klass, widget, factory):
""" Add the given widget and factory to the edit cache.
The given 'klass', which acts as key for the edit cache,
is automatically converted to a class, if it is an object
instance. The 'factory' may be None if the edit widget
is not created by the checkwidgets facility.
"""
klass = utils.as_class(klass)
self.edit_cache[klass] = (widget, factory)
def __init__(self, klass):
self.klass = utils.as_class(klass)
self.keys = []
self.obj = None
self.original_obj = None
self.displays = {}
def init_class(self, klass, key):
self.key = key
self.klass = utils.as_class(klass)
self.check = getattr(self.klass, key)
