def updateProps(self, lastvalue):
        name = self.context.name
        for pc in self.getPropcontainers(self.context.__parent__.__parent__,[]):
            for prop in pc.values():
                if prop.name == name:
                    list=prop.props[lastvalue]
                    list.remove(self.context.__parent__)
                    prop.props[lastvalue]=list
                    if prop.props.has_key(self.context.value):
                        prop.props[self.context.value].append(self.context.__parent__)
                    else:
                        prop.props[self.context.value] = [self.context.__parent__]

prop = removeSecurityProxy(prop)
prop.props[self.context.value] = self.context.__parent__

prop.props[self.context.value] = self.context.__parent__

class ITBool_Info(Interface):

    name = TextLine(
        title=u"",
        default=u"",
        required=True)	
    description = TextLine(
        title=u"",
        default=u"",
        required=False)
    props = TextLine(
        required=False)

class TBool_Info(Persistent):

    implements(ITBool_Info)

    name=u""
    description=u""
    props={}

    props = Dict(
        value_type=List(),
        required=False)

                    if self.context.__parent__ in prop.props.get(lastvalue, []):
                        prop.props[lastvalue].remove(self.context.__parent__)
                    if prop.props.has_key(self.context.value):
                        prop.props[self.context.value].append(self.context.__parent__)
                    else:
                        prop.props[self.context.value] = [self.context.__parent__]

                    prop = removeSecurityProxy(prop)
                    if self.context.__parent__ in prop.props.get(lastvalue, []):
                        prop.props[lastvalue].remove(self.context.__parent__)
                    if prop.props.has_key(self.context.value):
                        prop.props[self.context.value].append(self.context.__parent__)
                    else:
                        prop.props[self.context.value] = [self.context.__parent__]

props = Dict(title = '', key_type = TextLine(), value_type = TextLine())

    props = Dict(
        title=u"",
        key_type=TextLine(),
        value_type=List(),
        required=False)

    props = Dict(
        title=u"",
        key_type = TextLine(),
        value_type = List(value_type = TextLine()),
        required=False)