from zope.interface import Interface

class IBlog(Interface):
    """ Blog """

class IBlogEntry(Interface):
    """ Blog entry """

class IAssignment(Interface):
    """ Assignment interface """

class ICourseContext(Interface):
    """ Course Context """

class ITempManager(Interface):
    """ temp objects manager """

class ICourseManager(Interface):
    """ Course container """

class IUserManager(Interface):
    """ Users container """

class IFLE(Interface):
    """ Users container """

class IStatistics(Interface):
    """ statistics """

class IThinkingTypeSetManager(Interface):
    """ TTS manager """

class IThinkingTypeSet(Interface):
    """ TTS manager """

class IThinkingType(Interface):
    """ TTS manager """

class ICourse(Interface):
    """ course """

class IQuizManager(Interface):
    """ course """

class IWordMapTools(Interface):
    """ wordmap tools """

class IWebtopItem(Interface):
    """ webtop item interface """

class IWebtopFile(Interface):
    """ webtop item interface """

class ISubgroup(Interface):
    """ subgroup """

class ISubgroupManager(Interface):
    """ subgroups manager """

class IPortfolio(Interface):
    """ portfolio """

class ICalendar(Interface):
    """ Calendar """

class IEvent(Interface):
    """ calendar event """

class INewCourse(Interface):
    """ new course """

class IIVAPlugin(Interface):
    """ IVA plugin """
    def _install(self):
        """ install/enable plugin """

    def _uninstall(self):
        """ uninstall/disable plugin """

    def isInstalled(self):
        """ returns True is plugin is installed/enabled """

    def isVisible(self):
        """ returns True if user is visible to users """