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Diffstat (limited to 'examples/widgets/tutorials/modelview/6_treeview.py')
-rw-r--r-- | examples/widgets/tutorials/modelview/6_treeview.py | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/examples/widgets/tutorials/modelview/6_treeview.py b/examples/widgets/tutorials/modelview/6_treeview.py new file mode 100644 index 000000000..5161a9550 --- /dev/null +++ b/examples/widgets/tutorials/modelview/6_treeview.py @@ -0,0 +1,78 @@ +############################################################################# +## +## 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()) |