def init(cls, typ, class2type):
        """
        Defines custom fields in the value factory so that the importer can find them
        @param typ
        @param class2type
        """
        field = typ.getField(cls.FIELD_NAME)
        class2type.put( StrStrHashMap , typ )
        typ.setComponentType( StrStrHashMap )
        typ.setImportExportHelper( StrStrHashMapSerializer(typ, field))
        typ.putValidator(field, Validator_object.get(1))
        typ.lock()
def draw(self, context):
        layout = self.layout

        layout.template_header()

        userpref = context.user_preferences

        layout.operator_context = 'EXEC_AREA'
        layout.operator("wm.save_userpref")

        layout.operator_context = 'INVOKE_DEFAULT'

        if userpref.active_section == 'INPUT':
            layout.operator("wm.keyconfig_import")
            layout.operator("wm.keyconfig_export")
        elif userpref.active_section == 'ADDONS':
            layout.operator("wm.addon_install", icon='FILESEL')
            layout.operator("wm.addon_refresh", icon='FILE_REFRESH')
            layout.menu("USERPREF_MT_addons_online_resources")
        elif userpref.active_section == 'THEMES':
            layout.operator("ui.reset_default_theme")
            layout.operator("wm.theme_install")