Port the SpinBoxDelegate example

Task-number: PYSIDE-1984
Change-Id: I91eadd56d87e95c7ff440d5625e41046c0a5341b
Reviewed-by: Adrian Herrmann <adrian.herrmann@qt.io>
Reviewed-by: Christian Tismer <tismer@stackless.com>
(cherry picked from commit 89e5d35c0f002fcb1aac3b1205402ce306074255)
Reviewed-by: Simo Fält <simo.falt@qt.io>

3 files changed, 120 insertions, 0 deletions

diff --git a/examples/widgets/itemviews/spinboxdelegate/doc/spinboxdelegate.rst b/examples/widgets/itemviews/spinboxdelegate/doc/spinboxdelegate.rst
new file mode 100644
index 000000000..954480067
--- /dev/null
+++ b/examples/widgets/itemviews/spinboxdelegate/doc/spinboxdelegate.rst
@@ -0,0 +1,2 @@
+A simple example that shows how a view can use a custom delegate to edit
+data obtained from a model.
diff --git a/examples/widgets/itemviews/spinboxdelegate/spinboxdelegate.py b/examples/widgets/itemviews/spinboxdelegate/spinboxdelegate.py
new file mode 100644
index 000000000..b124a54b5
--- /dev/null
+++ b/examples/widgets/itemviews/spinboxdelegate/spinboxdelegate.py
@@ -0,0 +1,115 @@
+#############################################################################
+##
+## Copyright (C) 2022 The Qt Company Ltd.
+## Contact: https://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.QtWidgets import (QApplication, QStyledItemDelegate, QSpinBox,
+                               QTableView)
+from PySide6.QtGui import QStandardItemModel, Qt
+from PySide6.QtCore import QModelIndex
+
+"""PySide6 port of the widgets/itemviews/spinboxdelegate from Qt v6.x"""
+
+#! [0]
+class SpinBoxDelegate(QStyledItemDelegate):
+    """A delegate that allows the user to change integer values from the model
+       using a spin box widget. """
+
+#! [0]
+    def __init__(self, parent=None):
+        super().__init__(parent)
+#! [0]
+
+#! [1]
+    def createEditor(self, parent, option, index):
+        editor = QSpinBox(parent)
+        editor.setFrame(False)
+        editor.setMinimum(0)
+        editor.setMaximum(100)
+        return editor
+#! [1]
+
+#! [2]
+    def setEditorData(self, editor, index):
+        value = index.model().data(index, Qt.EditRole)
+        editor.setValue(value)
+#! [2]
+
+#! [3]
+    def setModelData(self, editor, model, index):
+        editor.interpretText()
+        value = editor.value()
+        model.setData(index, value, Qt.EditRole)
+#! [3]
+
+#! [4]
+    def updateEditorGeometry(self, editor, option, index):
+        editor.setGeometry(option.rect)
+#! [4]
+
+
+#! [main0]
+if __name__ == '__main__':
+    app = QApplication(sys.argv)
+
+    model= QStandardItemModel(4, 2)
+    tableView = QTableView()
+    tableView.setModel(model)
+
+    delegate = SpinBoxDelegate()
+    tableView.setItemDelegate(delegate)
+#! [main0]
+
+    tableView.horizontalHeader().setStretchLastSection(True)
+
+#! [main1]
+    for row in range(4):
+        for column in range(2):
+            index = model.index(row, column, QModelIndex())
+            value = (row + 1) * (column + 1)
+            model.setData(index, value)
+#! [main1] //# [main2]
+#! [main2]
+
+#! [main3]
+    tableView.setWindowTitle("Spin Box Delegate")
+    tableView.show()
+    sys.exit(app.exec())
+#! [main3]
diff --git a/examples/widgets/itemviews/spinboxdelegate/spinboxdelegate.pyproject b/examples/widgets/itemviews/spinboxdelegate/spinboxdelegate.pyproject
new file mode 100644
index 000000000..70616905c
--- /dev/null
+++ b/examples/widgets/itemviews/spinboxdelegate/spinboxdelegate.pyproject
@@ -0,0 +1,3 @@
+{
+    "files": ["spinboxdelegate.py"]
+}