Port the SpinBoxDelegate example

Task-number: PYSIDE-1984
Pick-to: 6.3 6.2
Change-Id: I91eadd56d87e95c7ff440d5625e41046c0a5341b
Reviewed-by: Adrian Herrmann <adrian.herrmann@qt.io>
Reviewed-by: Christian Tismer <tismer@stackless.com>

3 files changed, 83 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..266b8c1e1
--- /dev/null
+++ b/examples/widgets/itemviews/spinboxdelegate/spinboxdelegate.py
@@ -0,0 +1,78 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+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"]
+}