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#!/usr/bin/python3
import sys
import time
from PyQt5.QtWidgets import QAction, QApplication, QHBoxLayout, QLabel, QMainWindow, QMessageBox, QPushButton, QToolBar, QVBoxLayout, QWidget
from PyQt5.QtGui import QFont
from PyQt5.QtCore import Qt
from add_group_form import addGroupForm
from edit_group_form import editGroupForm
from add_entry_form import addEntryForm
Globals = __import__("globals")
DB = __import__("db_sqlite")
class AssignmentList(QMainWindow):
def __init__(self):
super().__init__()
self.initializeUI()
def initializeUI(self):
self.resize(640, 480)
self.setWindowTitle("Assignment List")
self.createMenu()
self.createToolbar()
self.setupDB()
self.displayWidgets()
self.show()
def createMenu(self):
menu_bar = self.menuBar()
file_menu = menu_bar.addMenu("File")
edit_menu = menu_bar.addMenu("Edit")
help_menu = menu_bar.addMenu("Help")
exit_act = QAction("Exit", self)
exit_act.setShortcut("Ctrl+Q")
exit_act.triggered.connect(self.close)
file_menu.addAction(exit_act)
self.add_group_act = QAction("Add Group", self)
self.add_group_act.triggered.connect(self.addGroup)
edit_menu.addAction(self.add_group_act)
about_act = QAction("About", self)
about_act.triggered.connect(self.aboutDialog)
help_menu.addAction(about_act)
def createToolbar(self):
tool_bar = QToolBar("Toolbar")
self.addToolBar(tool_bar)
tool_bar.addAction(self.add_group_act)
def setupDB(self):
DB.initDB()
def displayWidgets(self):
main_widget = QWidget(self)
self.setCentralWidget(main_widget)
title = QLabel(time.strftime("%A, %b %d %Y"))
title.setFont(QFont("Arial", 17))
title.setTextInteractionFlags(Qt.TextSelectableByMouse)
title_h_box = QHBoxLayout()
title_h_box.addStretch()
title_h_box.addWidget(title)
title_h_box.addStretch()
self.groups_hbox = QHBoxLayout()
self.groups_hbox.setContentsMargins(20, 5, 20, 5)
self.drawGroups()
v_box = QVBoxLayout()
v_box.addLayout(title_h_box)
v_box.addLayout(self.groups_hbox)
v_box.addStretch()
main_widget.setLayout(v_box)
def addGroup(self):
"""
Open the 'addGroup' form
"""
old_count = len(Globals.groups)
self.create_new_group_dialog = addGroupForm()
if old_count != len(Globals.groups):
self.drawGroups()
def editGroup(self, id):
"""
Open the 'editGroup' form
"""
self.create_edit_group_dialog = editGroupForm(id)
self.drawGroups()
def removeGroup(self, id):
"""
Delete a group with a given id
"""
# TODO might want to add a warning
# TODO might want to make part of the a destructor in the Group class
DB.removeGroup(id)
Globals.entries = list(filter(lambda e: e.parent_id != id, Globals.entries))
Globals.groups = list(filter(lambda g: g.id != id, Globals.groups))
self.drawGroups()
def addEntry(self, parent):
"""
Open the 'addEntry' form
"""
old_count = len(Globals.entries)
self.create_new_entry_dialog = addEntryForm(parent)
if old_count != len(Globals.entries):
self.drawGroups() # TODO see if we can do this with only redrawing a single group
def removeEntry(self, id):
"""
Delete an entry with a given id
"""
# TODO implement when db is implemented, and entries have ids
pass
def drawGroups(self):
"""
Redraw the groups_hbox
"""
# Remove all children from layout
def recursiveClear(layout):
while layout.count():
child = layout.takeAt(0)
if child.widget():
child.widget().deleteLater()
elif child.layout():
recursiveClear(child)
recursiveClear(self.groups_hbox)
# Create columns as vertical boxes
column_left = QVBoxLayout()
column_right = QVBoxLayout()
for g in Globals.groups:
# skip if this group is set to hidden
if g.hidden:
continue
g_layout = g.buildLayout()
# Draw entries belonging to this group
g_layout.addLayout(self.drawEntries(g.id))
# Include buttons at the bottom to edit the group
buttons_hbox = QHBoxLayout()
add_entry_button = QPushButton()
add_entry_button.setText("Add Entry")
add_entry_button.clicked.connect((lambda id: lambda: self.addEntry(id))(g.id))
buttons_hbox.addWidget(add_entry_button)
add_entry_button = QPushButton()
add_entry_button.setText("Edit Group")
add_entry_button.clicked.connect((lambda id: lambda: self.editGroup(id))(g.id))
buttons_hbox.addWidget(add_entry_button)
del_group_button = QPushButton()
del_group_button.setText("Remove Group")
del_group_button.clicked.connect((lambda id: lambda: self.removeGroup(id))(g.id))
buttons_hbox.addWidget(del_group_button)
buttons_hbox.addStretch()
g_layout.addLayout(buttons_hbox)
if g.column.lower() == "left":
column_left.addLayout(g_layout)
else:
column_right.addLayout(g_layout)
column_left.addStretch()
column_right.addStretch()
self.groups_hbox.addLayout(column_left)
self.groups_hbox.addStretch()
self.groups_hbox.addLayout(column_right)
self.groups_hbox.addStretch()
# Implementation should be moved here from group.py if possible
def drawEntries(self, group_id):
"""
Redraw the entries of a specific group
"""
entries = list(filter(lambda e: e.parent_id == group_id, Globals.entries))
entries_vbox = QVBoxLayout()
entries_vbox.setContentsMargins(5, 0, 0, 0)
for e in entries:
entries_vbox.addWidget(e.buildLayout())
# TODO find a good way to add modifier buttons
return entries_vbox
def aboutDialog(self):
QMessageBox.about(self, "About Assignment List",
"Created by Louie S. - 2023")
if __name__ == "__main__":
app = QApplication(sys.argv)
window = AssignmentList()
sys.exit(app.exec_())
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