From 9ef7df3e333177c7d71b5e7bb725f9f5ceb6cd9f Mon Sep 17 00:00:00 2001 From: Venugopal Shivashankar Date: Thu, 10 Jan 2019 14:29:08 +0100 Subject: Doc: Add the data visualization tutorial Change-Id: I17c6b4a4fa35e5b2ced79b47eaba99b393059406 Reviewed-by: Paul Wicking Reviewed-by: Friedemann Kleint --- .../datavisualize/datavisualize5/table_model.py | 88 ++++++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 sources/pyside2/doc/tutorials/datavisualize/datavisualize5/table_model.py (limited to 'sources/pyside2/doc/tutorials/datavisualize/datavisualize5/table_model.py') diff --git a/sources/pyside2/doc/tutorials/datavisualize/datavisualize5/table_model.py b/sources/pyside2/doc/tutorials/datavisualize/datavisualize5/table_model.py new file mode 100644 index 000000000..d2eafb244 --- /dev/null +++ b/sources/pyside2/doc/tutorials/datavisualize/datavisualize5/table_model.py @@ -0,0 +1,88 @@ +############################################################################# +## +## Copyright (C) 2019 The Qt Company Ltd. +## Contact: http://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." +## +## $QT_END_LICENSE$ +## +############################################################################# + +from PySide2.QtCore import Qt, QAbstractTableModel, QModelIndex +from PySide2.QtGui import QColor + + +class CustomTableModel(QAbstractTableModel): + def __init__(self, data=None): + QAbstractTableModel.__init__(self) + self.load_data(data) + + def load_data(self, data): + self.input_dates = data[0].values + self.input_magnitudes = data[1].values + + self.column_count = 2 + self.row_count = len(self.input_magnitudes) + + def rowCount(self, parent=QModelIndex()): + return self.row_count + + def columnCount(self, parent=QModelIndex()): + return self.column_count + + def headerData(self, section, orientation, role): + if role != Qt.DisplayRole: + return None + if orientation == Qt.Horizontal: + return ("Date", "Magnitude")[section] + else: + return "{}".format(section) + + def data(self, index, role=Qt.DisplayRole): + column = index.column() + row = index.row() + + if role == Qt.DisplayRole: + if column == 0: + raw_date = self.input_dates[row] + date = "{}".format(raw_date.toPython()) + return date[:-3] + elif column == 1: + return "{:.2f}".format(self.input_magnitudes[row]) + elif role == Qt.BackgroundRole: + return QColor(Qt.white) + elif role == Qt.TextAlignmentRole: + return Qt.AlignRight + + return None + -- cgit v1.2.3