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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of PySide2.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtWidgets>
+#include "math.h"
+
+#include "mainwindow.h"
+
+MainWindow::MainWindow()
+{
+ QMenu *fileMenu = new QMenu(tr("&File"));
+
+ QAction *quitAction = fileMenu->addAction(tr("E&xit"));
+ quitAction->setShortcut(tr("Ctrl+Q"));
+
+ QMenu *itemsMenu = new QMenu(tr("&Items"));
+
+ QAction *sumItemsAction = itemsMenu->addAction(tr("&Sum Items"));
+ QAction *averageItemsAction = itemsMenu->addAction(tr("&Average Items"));
+
+ menuBar()->addMenu(fileMenu);
+ menuBar()->addMenu(itemsMenu);
+
+ tableWidget = new QTableWidget(12, 3, this);
+ tableWidget->setSelectionMode(QAbstractItemView::ExtendedSelection);
+ tableWidget->setDragEnabled(true);
+ tableWidget->setAcceptDrops(true);
+ tableWidget->setDropIndicatorShown(true);
+
+ QTableWidgetItem *valuesHeaderItem = new QTableWidgetItem(tr("Values"));
+ tableWidget->setHorizontalHeaderItem(0, valuesHeaderItem);
+ valuesHeaderItem->setTextAlignment(Qt::AlignVCenter);
+ QTableWidgetItem *squaresHeaderItem = new QTableWidgetItem(tr("Squares"));
+ squaresHeaderItem->setIcon(QIcon(QPixmap(":/Images/squared.png")));
+ squaresHeaderItem->setTextAlignment(Qt::AlignVCenter);
+ QTableWidgetItem *cubesHeaderItem = new QTableWidgetItem(tr("Cubes"));
+ cubesHeaderItem->setIcon(QIcon(QPixmap(":/Images/cubed.png")));
+ cubesHeaderItem->setTextAlignment(Qt::AlignVCenter);
+ tableWidget->setHorizontalHeaderItem(1, squaresHeaderItem);
+ tableWidget->setHorizontalHeaderItem(2, cubesHeaderItem);
+
+ connect(quitAction, SIGNAL(triggered()), this, SLOT(close()));
+ connect(sumItemsAction, SIGNAL(triggered()), this, SLOT(sumItems()));
+ connect(averageItemsAction, SIGNAL(triggered()), this, SLOT(averageItems()));
+
+ setupTableItems();
+
+ setCentralWidget(tableWidget);
+ setWindowTitle(tr("Table Widget"));
+}
+
+void MainWindow::setupTableItems()
+{
+ for (int row = 0; row < tableWidget->rowCount()-1; ++row) {
+ for (int column = 0; column < tableWidget->columnCount(); ++column) {
+ QTableWidgetItem *newItem = new QTableWidgetItem(tr("%1").arg(
+ pow((float)row, (float)column+1)));
+ tableWidget->setItem(row, column, newItem);
+ }
+ }
+ for (int column = 0; column < tableWidget->columnCount(); ++column) {
+ QTableWidgetItem *newItem = new QTableWidgetItem;
+ newItem->setFlags(Qt::ItemIsEnabled | Qt::ItemIsUserCheckable);
+ tableWidget->setItem(tableWidget->rowCount()-1, column, newItem);
+ }
+}
+
+void MainWindow::averageItems()
+{
+ QList<QTableWidgetItem *> selected = tableWidget->selectedItems();
+ QTableWidgetItem *item;
+ int number = 0;
+ double total = 0;
+
+ foreach (item, selected) {
+ bool ok;
+ double value = item->text().toDouble(&ok);
+
+ if (ok && !item->text().isEmpty()) {
+ total += value;
+ number++;
+ }
+ }
+ if (number > 0)
+ tableWidget->currentItem()->setText(QString::number(total/number));
+}
+
+void MainWindow::sumItems()
+{
+ QList<QTableWidgetItem *> selected = tableWidget->selectedItems();
+ QTableWidgetItem *item;
+ int number = 0;
+ double total = 0;
+
+ foreach (item, selected) {
+ bool ok;
+ double value = item->text().toDouble(&ok);
+
+ if (ok && !item->text().isEmpty()) {
+ total += value;
+ number++;
+ }
+ }
+ if (number > 0)
+ tableWidget->currentItem()->setText(QString::number(total));
+}