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Diffstat (limited to 'sources/pyside6/doc/tutorials/expenses/steps/09-expenses.py')
| -rw-r--r-- | sources/pyside6/doc/tutorials/expenses/steps/09-expenses.py | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/sources/pyside6/doc/tutorials/expenses/steps/09-expenses.py b/sources/pyside6/doc/tutorials/expenses/steps/09-expenses.py new file mode 100644 index 000000000..30e1d7f3f --- /dev/null +++ b/sources/pyside6/doc/tutorials/expenses/steps/09-expenses.py @@ -0,0 +1,185 @@ +############################################################################# +## +## Copyright (C) 2019 The Qt Company Ltd. +## Contact: http://www.qt.io/licensing/ +## +## This file is part of the Qt for Python 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." +## +## $QT_END_LICENSE$ +## +############################################################################# + +import sys +from PySide6.QtCore import Slot +from PySide6.QtGui import QAction, QPainter +from PySide6.QtWidgets import (QApplication, QHeaderView, QHBoxLayout, QLabel, QLineEdit, + QMainWindow, QPushButton, QTableWidget, QTableWidgetItem, + QVBoxLayout, QWidget) +from PySide6.QtCharts import QtCharts + + +class Widget(QWidget): + def __init__(self): + QWidget.__init__(self) + self.items = 0 + + # Example data + self._data = {"Water": 24.5, "Electricity": 55.1, "Rent": 850.0, + "Supermarket": 230.4, "Internet": 29.99, "Bars": 21.85, + "Public transportation": 60.0, "Coffee": 22.45, "Restaurants": 120} + + # Left + self.table = QTableWidget() + self.table.setColumnCount(2) + self.table.setHorizontalHeaderLabels(["Description", "Price"]) + self.table.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch) + + # Chart + self.chart_view = QtCharts.QChartView() + self.chart_view.setRenderHint(QPainter.Antialiasing) + + # Right + self.description = QLineEdit() + self.price = QLineEdit() + self.add = QPushButton("Add") + self.clear = QPushButton("Clear") + self.quit = QPushButton("Quit") + self.plot = QPushButton("Plot") + + # Disabling 'Add' button + self.add.setEnabled(False) + + self.right = QVBoxLayout() + self.right.setMargin(10) + self.right.addWidget(QLabel("Description")) + self.right.addWidget(self.description) + self.right.addWidget(QLabel("Price")) + self.right.addWidget(self.price) + self.right.addWidget(self.add) + self.right.addWidget(self.plot) + self.right.addWidget(self.chart_view) + self.right.addWidget(self.clear) + self.right.addWidget(self.quit) + + # QWidget Layout + self.layout = QHBoxLayout() + + #self.table_view.setSizePolicy(size) + self.layout.addWidget(self.table) + self.layout.addLayout(self.right) + + # Set the layout to the QWidget + self.setLayout(self.layout) + + # Signals and Slots + self.add.clicked.connect(self.add_element) + self.quit.clicked.connect(self.quit_application) + self.clear.clicked.connect(self.clear_table) + self.description.textChanged[str].connect(self.check_disable) + self.price.textChanged[str].connect(self.check_disable) + + # Fill example data + self.fill_table() + + @Slot() + def add_element(self): + des = self.description.text() + price = self.price.text() + + self.table.insertRow(self.items) + self.table.setItem(self.items, 0, QTableWidgetItem(des)) + self.table.setItem(self.items, 1, QTableWidgetItem(price)) + + self.description.setText("") + self.price.setText("") + + self.items += 1 + + @Slot() + def check_disable(self, s): + if not self.description.text() or not self.price.text(): + self.add.setEnabled(False) + else: + self.add.setEnabled(True) + + @Slot() + def quit_application(self): + QApplication.quit() + + def fill_table(self, data=None): + data = self._data if not data else data + for desc, price in data.items(): + self.table.insertRow(self.items) + self.table.setItem(self.items, 0, QTableWidgetItem(desc)) + self.table.setItem(self.items, 1, QTableWidgetItem(str(price))) + self.items += 1 + + @Slot() + def clear_table(self): + self.table.setRowCount(0) + self.items = 0 + + +class MainWindow(QMainWindow): + def __init__(self, widget): + QMainWindow.__init__(self) + self.setWindowTitle("Tutorial") + + # Menu + self.menu = self.menuBar() + self.file_menu = self.menu.addMenu("File") + + # Exit QAction + exit_action = QAction("Exit", self) + exit_action.setShortcut("Ctrl+Q") + exit_action.triggered.connect(self.exit_app) + + self.file_menu.addAction(exit_action) + self.setCentralWidget(widget) + + @Slot() + def exit_app(self, checked): + QApplication.quit() + + +if __name__ == "__main__": + # Qt Application + app = QApplication(sys.argv) + # QWidget + widget = Widget() + # QMainWindow using QWidget as central widget + window = MainWindow(widget) + window.resize(800, 600) + window.show() + + # Execute application + sys.exit(app.exec_()) |