#! /usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2011-2013, Marten de Vries
#
# This file is part of OpenTeacher.
#
# OpenTeacher is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# OpenTeacher is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with OpenTeacher. If not, see <http://www.gnu.org/licenses/>.
class Printer:
def __init__(self, module, dataType, lesson, printer, *args, **kwargs):
super().__init__(*args, **kwargs)
self.module = module
self.dataType = dataType
self.lesson = lesson
self.printer = printer
def print_(self):
self.module.print_(self.dataType, self.lesson, self.printer)
class PrinterModule:
def __init__(self, moduleManager, *args, **kwargs):
super().__init__(*args, **kwargs)
self._mm = moduleManager
self.type = "printer"
self.uses = (
self._mm.mods(type="print"),
)
self.requires = (
self._mm.mods(type="lessonTracker"),
)
def print_(self, printer):
dataType = self._lessonTracker.currentLesson.dataType
printers = [
Printer(module, dataType, self._lessonTracker.currentLesson, printer)
for module in self._modules.sort("active", type="print")
if dataType in module.prints
]
if not printers:
raise NotImplementedError()
printerWrapper = printers[0]
#Print
printerWrapper.print_()
@property
def printSupport(self):
#Checks for printer modules, and if there is a gui module for
#the data type(s) they can provide
try:
dataType = self._lessonTracker.currentLesson.dataType
except AttributeError:
return False
return any(
dataType in module.prints
for module in self._mm.mods("active", type="print")
)
def enable(self):
self._modules = set(self._mm.mods(type="modules")).pop()
self._lessonTracker = self._modules.default("active", type="lessonTracker")
self.active = True
def disable(self):
self.active = False
del self._modules
del self._lessonTracker
def init(moduleManager):
return PrinterModule(moduleManager)