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# Copyright (C) 2011 Arun Srinivasan <rulfzid@gmail.com>
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
from PySide6.QtGui import QAction
from PySide6.QtWidgets import (QMainWindow, QFileDialog, QApplication)
from addresswidget import AddressWidget
class MainWindow(QMainWindow):
def __init__(self, parent=None):
super().__init__(parent)
self._address_widget = AddressWidget()
self.setCentralWidget(self._address_widget)
self.create_menus()
self.setWindowTitle("Address Book")
def create_menus(self):
# Create the main menuBar menu items
file_menu = self.menuBar().addMenu("&File")
tool_menu = self.menuBar().addMenu("&Tools")
# Populate the File menu
open_action = self.create_action("&Open...", file_menu, self.open_file)
save_action = self.create_action("&Save As...", file_menu, self.save_file)
file_menu.addSeparator()
exit_action = self.create_action("E&xit", file_menu, self.close)
# Populate the Tools menu
add_action = self.create_action("&Add Entry...", tool_menu, self._address_widget.add_entry)
self._edit_action = self.create_action("&Edit Entry...", tool_menu, self._address_widget.edit_entry)
tool_menu.addSeparator()
self._remove_action = self.create_action("&Remove Entry", tool_menu, self._address_widget.remove_entry)
# Disable the edit and remove menu items initially, as there are
# no items yet.
self._edit_action.setEnabled(False)
self._remove_action.setEnabled(False)
# Wire up the updateActions slot
self._address_widget.selection_changed.connect(self.update_actions)
def create_action(self, text, menu, slot):
""" Helper function to save typing when populating menus
with action.
"""
action = QAction(text, self)
menu.addAction(action)
action.triggered.connect(slot)
return action
# Quick gotcha:
#
# QFiledialog.getOpenFilename and QFileDialog.get.SaveFileName don't
# behave in PySide6 as they do in Qt, where they return a QString
# containing the filename.
#
# In PySide6, these functions return a tuple: (filename, filter)
def open_file(self):
filename, _ = QFileDialog.getOpenFileName(self)
if filename:
self._address_widget.read_from_file(filename)
def save_file(self):
filename, _ = QFileDialog.getSaveFileName(self)
if filename:
self._address_widget.write_to_file(filename)
def update_actions(self, selection):
""" Only allow the user to remove or edit an item if an item
is actually selected.
"""
indexes = selection.indexes()
if len(indexes) > 0:
self._remove_action.setEnabled(True)
self._edit_action.setEnabled(True)
else:
self._remove_action.setEnabled(False)
self._edit_action.setEnabled(False)
if __name__ == "__main__":
""" Run the application. """
import sys
app = QApplication(sys.argv)
mw = MainWindow()
mw.show()
sys.exit(app.exec())
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