aboutsummaryrefslogtreecommitdiffstats
path: root/examples/widgets/tutorials/modelview/3_changingmodel.py
diff options
context:
space:
mode:
Diffstat (limited to 'examples/widgets/tutorials/modelview/3_changingmodel.py')
-rw-r--r--examples/widgets/tutorials/modelview/3_changingmodel.py84
1 files changed, 84 insertions, 0 deletions
diff --git a/examples/widgets/tutorials/modelview/3_changingmodel.py b/examples/widgets/tutorials/modelview/3_changingmodel.py
new file mode 100644
index 000000000..aab0e04c6
--- /dev/null
+++ b/examples/widgets/tutorials/modelview/3_changingmodel.py
@@ -0,0 +1,84 @@
+#############################################################################
+##
+## 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 QAbstractTableModel, QTime, QTimer, Qt, Slot
+from PySide6.QtWidgets import QApplication, QTableView
+
+"""PySide6 port of the widgets/tutorials/modelview/3_changingmodel example from Qt v6.x"""
+
+
+class MyModel(QAbstractTableModel):
+ def __init__(self, parent=None):
+ super().__init__(parent)
+ self._timer = QTimer(self)
+ self._timer.setInterval(1000)
+ self._timer.timeout.connect(self.timer_hit)
+ self._timer.start()
+
+ def rowCount(self, parent=None):
+ return 2
+
+ def columnCount(self, parent=None):
+ return 3
+
+ def data(self, index, role=Qt.DisplayRole):
+ row = index.row()
+ col = index.column()
+ if role == Qt.DisplayRole and row == 0 and col == 0:
+ return QTime.currentTime().toString()
+ return None
+
+ @Slot()
+ def timer_hit(self):
+ # we identify the top left cell
+ top_left = self.createIndex(0, 0)
+ # emit a signal to make the view reread identified data
+ self.dataChanged.emit(top_left, top_left, [Qt.DisplayRole])
+
+
+if __name__ == '__main__':
+ app = QApplication(sys.argv)
+ table_view = QTableView()
+ my_model = MyModel()
+ table_view.setModel(my_model)
+ table_view.show()
+ sys.exit(app.exec())