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Diffstat (limited to 'examples/widgets/tutorials/modelview/3_changingmodel.py')
-rw-r--r-- | examples/widgets/tutorials/modelview/3_changingmodel.py | 53 |
1 files changed, 53 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..2148ec5d3 --- /dev/null +++ b/examples/widgets/tutorials/modelview/3_changingmodel.py @@ -0,0 +1,53 @@ +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +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): +#! [1] + 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() +#! [1] + + def rowCount(self, parent=None): + return 2 + + def columnCount(self, parent=None): + return 3 + +#! [2] + 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 +#! [2] + +#! [3] + @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]) +#! [3] + + +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()) |