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+#############################################################################
+##
+## 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.QtCore import Qt
+from PySide6.QtGui import QStandardItem, QStandardItemModel
+from PySide6.QtWidgets import QApplication, QMainWindow, QTreeView
+
+"""PySide6 port of the widgets/tutorials/modelview/6_treeview example from Qt v6.x"""
+
+
+class MainWindow(QMainWindow):
+ def __init__(self, parent=None):
+ super().__init__(parent)
+ self._standard_model = QStandardItemModel(self)
+ self._tree_view = QTreeView(self)
+ self.setCentralWidget(self._tree_view)
+
+ prepared_row = self.prepare_row("first", "second", "third")
+ item = self._standard_model.invisibleRootItem()
+ # adding a row to the invisible root item produces a root element
+ item.appendRow(prepared_row)
+
+ second_row = self.prepare_row("111", "222", "333")
+ # adding a row to an item starts a subtree
+ prepared_row[0].appendRow(second_row)
+
+ self._tree_view.setModel(self._standard_model)
+ self._tree_view.expandAll()
+
+ def prepare_row(self, first, second, third):
+ return [QStandardItem(first), QStandardItem(second),
+ QStandardItem(third)]
+
+
+if __name__ == '__main__':
+ app = QApplication(sys.argv)
+ w = MainWindow()
+ w.show()
+ sys.exit(app.exec())