New Barchart example

Barchart example translation from C++ to Python

Pick-to: 6.2
Task-number: PYSIDE-841
Change-Id: Ia705295f6f8c59ec9b94bc394cc1d45f35554bdf
Reviewed-by: Cristian Maureira-Fredes <cristian.maureira-fredes@qt.io>

4 files changed, 117 insertions, 0 deletions

diff --git a/examples/charts/barchart/barchart.py b/examples/charts/barchart/barchart.py
new file mode 100644
index 000000000..8ae0dc5ff
--- /dev/null
+++ b/examples/charts/barchart/barchart.py
@@ -0,0 +1,106 @@
+#############################################################################
+##
+## Copyright (C) 2021 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."
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+"""PySide6 port of the linechart example from Qt v6.x"""
+
+import sys
+
+from PySide6.QtCharts import (QBarCategoryAxis, QBarSeries, QBarSet, QChart,
+                              QChartView, QValueAxis)
+from PySide6.QtCore import Qt
+from PySide6.QtGui import QPainter
+from PySide6.QtWidgets import QApplication, QMainWindow
+
+
+class TestChart(QMainWindow):
+    def __init__(self):
+        super().__init__()
+
+        self.set_0 = QBarSet("Jane")
+        self.set_1 = QBarSet("John")
+        self.set_2 = QBarSet("Axel")
+        self.set_3 = QBarSet("Mary")
+        self.set_4 = QBarSet("Samantha")
+
+        self.set_0.append([1, 2, 3, 4, 5, 6])
+        self.set_1.append([5, 0, 0, 4, 0, 7])
+        self.set_2.append([3, 5, 8, 13, 8, 5])
+        self.set_3.append([5, 6, 7, 3, 4, 5])
+        self.set_4.append([9, 7, 5, 3, 1, 2])
+
+        self.series = QBarSeries()
+        self.series.append(self.set_0)
+        self.series.append(self.set_1)
+        self.series.append(self.set_2)
+        self.series.append(self.set_3)
+        self.series.append(self.set_4)
+
+        self.chart = QChart()
+        self.chart.addSeries(self.series)
+        self.chart.setTitle("Simple barchart example")
+        self.chart.setAnimationOptions(QChart.SeriesAnimations)
+
+        self.categories = ["Jan", "Feb", "Mar", "Apr", "May", "Jun"]
+        self.axis_x = QBarCategoryAxis()
+        self.axis_x.append(self.categories)
+        self.chart.addAxis(self.axis_x, Qt.AlignBottom)
+        self.series.attachAxis(self.axis_x)
+
+        self.axis_y = QValueAxis()
+        self.axis_y.setRange(0, 15)
+        self.chart.addAxis(self.axis_y, Qt.AlignLeft)
+        self.series.attachAxis(self.axis_y)
+
+        self.chart.legend().setVisible(True)
+        self.chart.legend().setAlignment(Qt.AlignBottom)
+
+        self._chart_view = QChartView(self.chart)
+        self._chart_view.setRenderHint(QPainter.Antialiasing)
+
+        self.setCentralWidget(self._chart_view)
+
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+
+    window = TestChart()
+    window.show()
+    window.resize(420, 300)
+    sys.exit(app.exec())
diff --git a/examples/charts/barchart/barchart.pyproject b/examples/charts/barchart/barchart.pyproject
new file mode 100644
index 000000000..4ca819426
--- /dev/null
+++ b/examples/charts/barchart/barchart.pyproject
@@ -0,0 +1,3 @@
+{
+    "files": ["barchart.py"]
+}
diff --git a/examples/charts/barchart/doc/barchart.png b/examples/charts/barchart/doc/barchart.png
new file mode 100644
index 000000000..da08217fc
--- /dev/null
+++ b/examples/charts/barchart/doc/barchart.png
diff --git a/examples/charts/barchart/doc/barchart.rst b/examples/charts/barchart/doc/barchart.rst
new file mode 100644
index 000000000..b9a499721
--- /dev/null
+++ b/examples/charts/barchart/doc/barchart.rst
@@ -0,0 +1,8 @@
+Bar Chart Example
+==================
+
+The example shows how to create a Bar chart.
+
+.. image:: barchart.png
+   :width: 400
+   :alt: Bar Chart Screenshot