1 files changed, 177 insertions, 0 deletions
diff --git a/sources/pyside6/doc/tutorials/expenses/main_snake_prop.py b/sources/pyside6/doc/tutorials/expenses/main_snake_prop.py
new file mode 100644
index 000000000..055544409
--- /dev/null
+++ b/sources/pyside6/doc/tutorials/expenses/main_snake_prop.py
@@ -0,0 +1,177 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+import sys
+from PySide6.QtCore import QMargins, Qt, Slot, QSize
+from PySide6.QtGui import QPainter
+from PySide6.QtWidgets import (QAction, QApplication, QHeaderView, QHBoxLayout, QLabel, QLineEdit,
+                               QMainWindow, QPushButton, QTableWidget, QTableWidgetItem,
+                               QVBoxLayout, QWidget)
+from PySide6.QtCharts import QtCharts
+
+from __feature__ import snake_case, true_property
+
+
+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.column_count = 2
+        self.table.horizontal_header_labels = ["Description", "Price"]
+        self.table.horizontal_header().section_resize_mode = QHeaderView.Stretch
+
+        # Chart
+        self.chart_view = QtCharts.QChartView()
+        self.chart_view.render_hint = 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.enabled = False
+
+        self.right = QVBoxLayout()
+
+        self.right.contents_margins = QMargins(10, 10, 10, 10)
+        self.right.add_widget(QLabel("Description"))
+        self.right.add_widget(self.description)
+        self.right.add_widget(QLabel("Price"))
+        self.right.add_widget(self.price)
+        self.right.add_widget(self.add)
+        self.right.add_widget(self.plot)
+        self.right.add_widget(self.chart_view)
+        self.right.add_widget(self.clear)
+        self.right.add_widget(self.quit)
+
+        # QWidget Layout
+        self.layout = QHBoxLayout()
+
+        #self.table_view.setSizePolicy(size)
+        self.layout.add_widget(self.table)
+        self.layout.form_layout(self.right)
+
+        # Set the layout to the QWidget
+        self.set_layout(self.layout)
+
+        # Signals and Slots
+        self.add.clicked.connect(self.add_element)
+        self.quit.clicked.connect(self.quit_application)
+        self.plot.clicked.connect(self.plot_data)
+        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
+
+        try:
+            price_item = QTableWidgetItem(f"{float(price):.2f}")
+            price_item.text_alignment = Qt.AlignRight
+
+            self.table.insert_row(self.items)
+            description_item = QTableWidgetItem(des)
+
+            self.table.set_item(self.items, 0, description_item)
+            self.table.set_item(self.items, 1, price_item)
+
+            self.description.text = ""
+            self.price.text = ""
+
+            self.items += 1
+        except ValueError:
+            print("Wrong price", price)
+
+    @Slot()
+    def check_disable(self, s):
+        if not self.description.text or not self.price.text:
+            self.add.enabled = False
+        else:
+            self.add.enabled = True
+
+    @Slot()
+    def plot_data(self):
+        # Get table information
+        series = QtCharts.QPieSeries()
+        for i in range(self.table.row_count):
+            text = self.table.item(i, 0).text()
+            number = float(self.table.item(i, 1).text())
+            series.append(text, number)
+
+        chart = QtCharts.QChart()
+        chart.add_series(series)
+        chart.legend().alignment = Qt.AlignLeft
+        self.chart_view.set_chart(chart)
+
+    @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():
+            description_item = QTableWidgetItem(desc)
+            price_item = QTableWidgetItem(f"{price:.2f}")
+            price_item.text_alignment = Qt.AlignRight
+            self.table.insert_row(self.items)
+            self.table.set_item(self.items, 0, description_item)
+            self.table.set_item(self.items, 1, price_item)
+            self.items += 1
+
+    @Slot()
+    def clear_table(self):
+        self.table.row_count = 0
+        self.items = 0
+
+
+class MainWindow(QMainWindow):
+    def __init__(self, widget):
+        QMainWindow.__init__(self)
+        self.window_title = "Tutorial"
+
+        # Menu
+        self.menu = self.menu_bar()
+        self.file_menu = self.menu.add_menu("File")
+
+        # Exit QAction
+        exit_action = QAction("Exit", self)
+        exit_action.shortcut = "Ctrl+Q"
+        exit_action.triggered.connect(self.exit_app)
+
+        self.file_menu.add_action(exit_action)
+        self.set_central_widget(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.size = QSize(800, 600)
+    window.show()
+
+    # Execute application
+    sys.exit(app.exec())