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#
# This document *and this document only* uses the Qt naming convention instead
# of PEP because the PyQt5 bindings do not have pythonic names
#
import sys
import json
import enum
import html
import logging
from PyQt5.QtGui import QFont
from PyQt5.Qt import QStyle
from PyQt5.QtCore import Qt, QThread, pyqtSlot
from PyQt5.QtWidgets import QApplication, QWidget, QTreeWidget, QTreeWidgetItem, QGridLayout, QHBoxLayout, QPushButton, QProgressBar, QTabWidget, QPlainTextEdit
import moodle
log = logging.getLogger("muddle.gui")
class MoodleItem:
class Type(enum.Enum):
ROOT = 0
# root
COURSE = 1
# sections
SECTION = 2
# modules
MODULE = 3
FORUM = 3
RESOURCE = 3
FOLDER = 3
ATTENDANCE = 3
LABEL = 3
QUIZ = 3
# contents
CONTENT = 4
FILE = 4
URL = 4
def __init__(self, nodetype, leaves=[], **kwargs):
self.leaves = leaves
self.type = nodetype
# TODO: check required attributes
for k, v in kwargs.items():
setattr(self, k, v)
self.setupQt()
# TODO: Qt objects should be on the main thread
# prob cause of the crash
def setupQt(self):
self.qt = QTreeWidgetItem()
font = QFont("Monospace")
font.setStyleHint(QFont.Monospace)
self.qt.setFont(0, font)
icons = {
MoodleItem.Type.COURSE : QApplication.style().standardIcon(QStyle.SP_DriveNetIcon),
MoodleItem.Type.FOLDER : QApplication.style().standardIcon(QStyle.SP_DirIcon),
MoodleItem.Type.FILE : QApplication.style().standardIcon(QStyle.SP_FileIcon),
MoodleItem.Type.URL : QApplication.style().standardIcon(QStyle.SP_FileLinkIcon),
}
if icons.get(self.type):
self.qt.setIcon(0, icons[self.type])
if self.type == MoodleItem.Type.FILE:
flags = self.qt.flags()
self.qt.setFlags(flags | Qt.ItemIsUserCheckable)
self.qt.setCheckState(0, Qt.Unchecked)
self.qt.setChildIndicatorPolicy(QTreeWidgetItem.DontShowIndicatorWhenChildless)
self.qt.setText(0, html.unescape(self.title))
def insert(self, node):
self.leaves.append(node)
if not self.type == MoodleItem.Type.ROOT:
self.qt.addChild(node.qt)
def remove(self, node):
self.leaves.remove(node)
self.qt.removeChild(node.qt)
# TODO: remove from child
class MoodleFetcher(QThread):
def __init__(self, parent, instance_url, token):
super().__init__()
self.api = moodle.RestApi(instance_url, token)
self.apihelper = moodle.ApiHelper(self.api)
self.moodleItems = MoodleItem(MoodleItem.Type.ROOT, title="ROOT")
def run(self):
# This is beyond bad but I don't have access to the moodle documentation, so I had to guess
courses = self.api.core_enrol_get_users_courses(userid=self.apihelper.get_userid()).json()
for course in courses:
courseItem = MoodleItem(MoodleItem.Type.COURSE,
id = course["id"], title = course["shortname"])
self.moodleItems.insert(courseItem)
sections = self.api.core_course_get_contents(courseid=courseItem.id).json()
for section in sections:
sectionItem = MoodleItem(MoodleItem.Type.SECTION,
id = section["id"], title = section["name"])
courseItem.insert(sectionItem)
modules = section["modules"] if "modules" in section else []
for module in modules:
moduleType = {
"folder" : MoodleItem.Type.FOLDER,
"resource" : MoodleItem.Type.RESOURCE,
"forum" : MoodleItem.Type.FORUM,
"attendance" : MoodleItem.Type.ATTENDANCE,
"label" : MoodleItem.Type.LABEL,
"quiz" : MoodleItem.Type.QUIZ,
}
moduleItem = MoodleItem(moduleType.get(module["modname"]) or MoodleItem.Type.MODULE,
id = module["id"], title = module["name"])
sectionItem.insert(moduleItem)
contents = module["contents"] if "contents" in module else []
for content in contents:
contentType = {
"url" : MoodleItem.Type.URL,
"file" : MoodleItem.Type.FILE,
}
contentItem = MoodleItem(contentType.get(content["type"]) or MoodleItem.Type.MODULE,
title = content["filename"], url = content["fileurl"])
moduleItem.insert(contentItem)
class MoodleTreeView(QTreeWidget):
def __init__(self, parent, instance_url, token):
super().__init__(parent)
self.worker = MoodleFetcher(self, instance_url, token)
self.worker.finished.connect(self.onWorkerDone)
self.worker.start()
self.initUi()
self.show()
def initUi(self):
self.setHeaderHidden(True)
self.itemDoubleClicked.connect(self.onItemDoubleClicked, Qt.QueuedConnection)
@pyqtSlot(QTreeWidgetItem, int)
def onItemDoubleClicked(self, item, col):
log.debug(f"double clicked on item with type {str(item.type)}")
if item.type == MoodleItem.Type.FILE:
pass
@pyqtSlot()
def onWorkerDone(self):
log.debug("worker done")
for leaf in self.worker.moodleItems.leaves:
self.addTopLevelItem(leaf.qt)
class QPlainTextEditLogger(logging.Handler):
def __init__(self, parent):
super().__init__()
self.widget = QPlainTextEdit(parent)
self.widget.setReadOnly(True)
def emit(self, record):
msg = self.format(record)
self.widget.appendPlainText(msg)
def write(self, m):
pass
class Muddle(QTabWidget):
def __init__(self, instance_url, token):
super().__init__()
self.instance_url = instance_url
self.token = token
self.initUi()
def initUi(self):
self.setWindowTitle("Muddle")
# moodle tab
self.tabmoodle = QWidget()
self.addTab(self.tabmoodle, "Moodle")
self.tabmoodle.setLayout(QGridLayout())
self.tabmoodle.layout().addWidget(MoodleTreeView(self, self.instance_url, self.token), 0, 0, 1, -1)
self.tabmoodle.downloadbtn = QPushButton("Download")
self.tabmoodle.selectallbtn = QPushButton("Select All")
self.tabmoodle.deselectallbtn = QPushButton("Deselect All")
self.tabmoodle.progressbar = QProgressBar()
self.tabmoodle.layout().addWidget(self.tabmoodle.downloadbtn, 1, 0)
self.tabmoodle.layout().addWidget(self.tabmoodle.selectallbtn, 1, 1)
self.tabmoodle.layout().addWidget(self.tabmoodle.deselectallbtn, 1, 2)
self.tabmoodle.layout().addWidget(self.tabmoodle.progressbar, 2, 0, 1, -1)
# log tabs
handler = QPlainTextEditLogger(self)
handler.setFormatter(logging.Formatter("%(name)s - %(levelname)s - %(message)s"))
logging.getLogger("muddle").addHandler(handler)
self.tablogs = handler.widget
self.addTab(self.tablogs, "Logs")
self.show()
def start(instance_url, token):
app = QApplication(sys.argv)
ex = Muddle(instance_url, token)
sys.exit(app.exec_())
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