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Diffstat (limited to 'examples/widgets/tutorials/addressbook/part2.py')
| -rwxr-xr-x | examples/widgets/tutorials/addressbook/part2.py | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/examples/widgets/tutorials/addressbook/part2.py b/examples/widgets/tutorials/addressbook/part2.py new file mode 100755 index 000000000..62fe157a7 --- /dev/null +++ b/examples/widgets/tutorials/addressbook/part2.py @@ -0,0 +1,182 @@ +#!/usr/bin/env python + +############################################################################# +## +## Copyright (C) 2013 Riverbank Computing Limited. +## Copyright (C) 2016 The Qt Company Ltd. +## Contact: http://www.qt.io/licensing/ +## +## This file is part of the PySide examples of the Qt Toolkit. +## +## $QT_BEGIN_LICENSE:BSD$ +## You may use this file under the terms of the BSD license as follows: +## +## "Redistribution and use in source and binary forms, with or without +## modification, are permitted provided that the following conditions are +## met: +## * Redistributions of source code must retain the above copyright +## notice, this list of conditions and the following disclaimer. +## * Redistributions in binary form must reproduce the above copyright +## notice, this list of conditions and the following disclaimer in +## the documentation and/or other materials provided with the +## distribution. +## * Neither the name of The Qt Company Ltd nor the names of its +## contributors may be used to endorse or promote products derived +## from this software without specific prior written permission. +## +## +## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +## +## $QT_END_LICENSE$ +## +############################################################################# + +from PySide2 import QtCore, QtGui, QtWidgets + + +class SortedDict(dict): + class Iterator(object): + def __init__(self, sorted_dict): + self._dict = sorted_dict + self._keys = sorted(self._dict.keys()) + self._nr_items = len(self._keys) + self._idx = 0 + + def __iter__(self): + return self + + def next(self): + if self._idx >= self._nr_items: + raise StopIteration + + key = self._keys[self._idx] + value = self._dict[key] + self._idx += 1 + + return key, value + + __next__ = next + + def __iter__(self): + return SortedDict.Iterator(self) + + iterkeys = __iter__ + + +class AddressBook(QtWidgets.QWidget): + def __init__(self, parent=None): + super(AddressBook, self).__init__(parent) + + self.contacts = SortedDict() + self.oldName = '' + self.oldAddress = '' + + nameLabel = QtWidgets.QLabel("Name:") + self.nameLine = QtWidgets.QLineEdit() + self.nameLine.setReadOnly(True) + + addressLabel = QtWidgets.QLabel("Address:") + self.addressText = QtWidgets.QTextEdit() + self.addressText.setReadOnly(True) + + self.addButton = QtWidgets.QPushButton("&Add") + self.addButton.show() + self.submitButton = QtWidgets.QPushButton("&Submit") + self.submitButton.hide() + self.cancelButton = QtWidgets.QPushButton("&Cancel") + self.cancelButton.hide() + + self.addButton.clicked.connect(self.addContact) + self.submitButton.clicked.connect(self.submitContact) + self.cancelButton.clicked.connect(self.cancel) + + buttonLayout1 = QtWidgets.QVBoxLayout() + buttonLayout1.addWidget(self.addButton, QtCore.Qt.AlignTop) + buttonLayout1.addWidget(self.submitButton) + buttonLayout1.addWidget(self.cancelButton) + buttonLayout1.addStretch() + + mainLayout = QtWidgets.QGridLayout() + mainLayout.addWidget(nameLabel, 0, 0) + mainLayout.addWidget(self.nameLine, 0, 1) + mainLayout.addWidget(addressLabel, 1, 0, QtCore.Qt.AlignTop) + mainLayout.addWidget(self.addressText, 1, 1) + mainLayout.addLayout(buttonLayout1, 1, 2) + + self.setLayout(mainLayout) + self.setWindowTitle("Simple Address Book") + + def addContact(self): + self.oldName = self.nameLine.text() + self.oldAddress = self.addressText.toPlainText() + + self.nameLine.clear() + self.addressText.clear() + + self.nameLine.setReadOnly(False) + self.nameLine.setFocus(QtCore.Qt.OtherFocusReason) + self.addressText.setReadOnly(False) + + self.addButton.setEnabled(False) + self.submitButton.show() + self.cancelButton.show() + + def submitContact(self): + name = self.nameLine.text() + address = self.addressText.toPlainText() + + if name == "" or address == "": + QtWidgets.QMessageBox.information(self, "Empty Field", + "Please enter a name and address.") + return + + if name not in self.contacts: + self.contacts[name] = address + QtWidgets.QMessageBox.information(self, "Add Successful", + "\"%s\" has been added to your address book." % name) + else: + QtWidgets.QMessageBox.information(self, "Add Unsuccessful", + "Sorry, \"%s\" is already in your address book." % name) + return + + if not self.contacts: + self.nameLine.clear() + self.addressText.clear() + + self.nameLine.setReadOnly(True) + self.addressText.setReadOnly(True) + self.addButton.setEnabled(True) + self.submitButton.hide() + self.cancelButton.hide() + + def cancel(self): + self.nameLine.setText(self.oldName) + self.nameLine.setReadOnly(True) + + self.addressText.setText(self.oldAddress) + self.addressText.setReadOnly(True) + + self.addButton.setEnabled(True) + self.submitButton.hide() + self.cancelButton.hide() + + +if __name__ == '__main__': + import sys + + app = QtWidgets.QApplication(sys.argv) + + addressBook = AddressBook() + addressBook.show() + + sys.exit(app.exec_()) |