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spreadsheet test

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Look Skyworker 2018-06-13 19:13:16 +09:00
parent e337f8e640
commit b880304a6c
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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/
// Some code is fixed by j2doll.
#include "spreadsheet.h"
#include <QApplication>
#include <QLayout>
int main(int argc, char** argv) {
Q_INIT_RESOURCE(spreadsheet);
QApplication app(argc, argv);
SpreadSheet sheet(10, 6);
sheet.setWindowIcon(QPixmap(":/images/interview.png"));
sheet.show();
sheet.layout()->setSizeConstraint(QLayout::SetFixedSize);
return app.exec();
}

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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/
// Some code is fixed by j2doll.
#ifndef QT_NO_PRINTER
#include <QPrinter>
#endif
#include <QStyleOptionViewItem>
#include "printview.h"
PrintView::PrintView()
{
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
}
void PrintView::print(QPrinter *printer)
{
#ifndef QT_NO_PRINTER
resize(printer->width(), printer->height());
render(printer);
#endif
}

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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/
// Some code is fixed by j2doll.
#ifndef PRINTVIEW_H
#define PRINTVIEW_H
#include <QTableView>
QT_BEGIN_NAMESPACE
class QPrinter;
QT_END_NAMESPACE
class PrintView : public QTableView
{
Q_OBJECT
public:
PrintView();
public Q_SLOTS:
void print(QPrinter *printer);
};
#endif // PRINTVIEW_H

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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/
// Some code is fixed by j2doll.
#include <QtWidgets>
#if defined(QT_PRINTSUPPORT_LIB)
#include <QtPrintSupport/qtprintsupportglobal.h>
#if QT_CONFIG(printdialog)
#include <QPrinter>
#include <QPrintDialog>
#endif
#if QT_CONFIG(printpreviewdialog)
#include <QPrintPreviewDialog>
#endif
#endif
#include "spreadsheet.h"
#include "spreadsheetdelegate.h"
#include "spreadsheetitem.h"
#include "printview.h"
SpreadSheet::SpreadSheet(int rows, int cols, QWidget *parent)
: QMainWindow(parent)
{
addToolBar(toolBar = new QToolBar());
formulaInput = new QLineEdit();
cellLabel = new QLabel(toolBar);
cellLabel->setMinimumSize(80, 0);
toolBar->addWidget(cellLabel);
toolBar->addWidget(formulaInput);
table = new QTableWidget(rows, cols, this);
table->setSizeAdjustPolicy(QTableWidget::AdjustToContents);
for (int c = 0; c < cols; ++c) {
QString character(QChar('A' + c));
table->setHorizontalHeaderItem(c, new QTableWidgetItem(character));
}
table->setItemPrototype(table->item(rows - 1, cols - 1));
table->setItemDelegate(new SpreadSheetDelegate());
createActions();
updateColor(0);
setupMenuBar();
setupContents();
setupContextMenu();
setCentralWidget(table);
statusBar();
connect(table, &QTableWidget::currentItemChanged,
this, &SpreadSheet::updateStatus);
connect(table, &QTableWidget::currentItemChanged,
this, &SpreadSheet::updateColor);
connect(table, &QTableWidget::currentItemChanged,
this, &SpreadSheet::updateLineEdit);
connect(table, &QTableWidget::itemChanged,
this, &SpreadSheet::updateStatus);
connect(formulaInput, &QLineEdit::returnPressed, this, &SpreadSheet::returnPressed);
connect(table, &QTableWidget::itemChanged,
this, &SpreadSheet::updateLineEdit);
setWindowTitle(tr("Spreadsheet"));
}
void SpreadSheet::createActions()
{
cell_sumAction = new QAction(tr("Sum"), this);
connect(cell_sumAction, &QAction::triggered, this, &SpreadSheet::actionSum);
cell_addAction = new QAction(tr("&Add"), this);
cell_addAction->setShortcut(Qt::CTRL | Qt::Key_Plus);
connect(cell_addAction, &QAction::triggered, this, &SpreadSheet::actionAdd);
cell_subAction = new QAction(tr("&Subtract"), this);
cell_subAction->setShortcut(Qt::CTRL | Qt::Key_Minus);
connect(cell_subAction, &QAction::triggered, this, &SpreadSheet::actionSubtract);
cell_mulAction = new QAction(tr("&Multiply"), this);
cell_mulAction->setShortcut(Qt::CTRL | Qt::Key_multiply);
connect(cell_mulAction, &QAction::triggered, this, &SpreadSheet::actionMultiply);
cell_divAction = new QAction(tr("&Divide"), this);
cell_divAction->setShortcut(Qt::CTRL | Qt::Key_division);
connect(cell_divAction, &QAction::triggered, this, &SpreadSheet::actionDivide);
fontAction = new QAction(tr("Font..."), this);
fontAction->setShortcut(Qt::CTRL | Qt::Key_F);
connect(fontAction, &QAction::triggered, this, &SpreadSheet::selectFont);
colorAction = new QAction(QPixmap(16, 16), tr("Background &Color..."), this);
connect(colorAction, &QAction::triggered, this, &SpreadSheet::selectColor);
clearAction = new QAction(tr("Clear"), this);
clearAction->setShortcut(Qt::Key_Delete);
connect(clearAction, &QAction::triggered, this, &SpreadSheet::clear);
aboutSpreadSheet = new QAction(tr("About Spreadsheet"), this);
connect(aboutSpreadSheet, &QAction::triggered, this, &SpreadSheet::showAbout);
exitAction = new QAction(tr("E&xit"), this);
connect(exitAction, &QAction::triggered, qApp, &QCoreApplication::quit);
printAction = new QAction(tr("&Print"), this);
connect(printAction, &QAction::triggered, this, &SpreadSheet::print);
firstSeparator = new QAction(this);
firstSeparator->setSeparator(true);
secondSeparator = new QAction(this);
secondSeparator->setSeparator(true);
}
void SpreadSheet::setupMenuBar()
{
QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
fileMenu->addAction(printAction);
fileMenu->addAction(exitAction);
QMenu *cellMenu = menuBar()->addMenu(tr("&Cell"));
cellMenu->addAction(cell_addAction);
cellMenu->addAction(cell_subAction);
cellMenu->addAction(cell_mulAction);
cellMenu->addAction(cell_divAction);
cellMenu->addAction(cell_sumAction);
cellMenu->addSeparator();
cellMenu->addAction(colorAction);
cellMenu->addAction(fontAction);
menuBar()->addSeparator();
QMenu *aboutMenu = menuBar()->addMenu(tr("&Help"));
aboutMenu->addAction(aboutSpreadSheet);
}
void SpreadSheet::updateStatus(QTableWidgetItem *item)
{
if (item && item == table->currentItem()) {
statusBar()->showMessage(item->data(Qt::StatusTipRole).toString(), 1000);
cellLabel->setText(tr("Cell: (%1)").arg(encode_pos(table->row(item), table->column(item))));
}
}
void SpreadSheet::updateColor(QTableWidgetItem *item)
{
QPixmap pix(16, 16);
QColor col;
if (item)
col = item->backgroundColor();
if (!col.isValid())
col = palette().base().color();
QPainter pt(&pix);
pt.fillRect(0, 0, 16, 16, col);
QColor lighter = col.light();
pt.setPen(lighter);
QPoint lightFrame[] = { QPoint(0, 15), QPoint(0, 0), QPoint(15, 0) };
pt.drawPolyline(lightFrame, 3);
pt.setPen(col.dark());
QPoint darkFrame[] = { QPoint(1, 15), QPoint(15, 15), QPoint(15, 1) };
pt.drawPolyline(darkFrame, 3);
pt.end();
colorAction->setIcon(pix);
}
void SpreadSheet::updateLineEdit(QTableWidgetItem *item)
{
if (item != table->currentItem())
return;
if (item)
formulaInput->setText(item->data(Qt::EditRole).toString());
else
formulaInput->clear();
}
void SpreadSheet::returnPressed()
{
QString text = formulaInput->text();
int row = table->currentRow();
int col = table->currentColumn();
QTableWidgetItem *item = table->item(row, col);
if (!item)
table->setItem(row, col, new SpreadSheetItem(text));
else
item->setData(Qt::EditRole, text);
table->viewport()->update();
}
void SpreadSheet::selectColor()
{
QTableWidgetItem *item = table->currentItem();
QColor col = item ? item->backgroundColor() : table->palette().base().color();
col = QColorDialog::getColor(col, this);
if (!col.isValid())
return;
QList<QTableWidgetItem*> selected = table->selectedItems();
if (selected.count() == 0)
return;
foreach (QTableWidgetItem *i, selected) {
if (i)
i->setBackgroundColor(col);
}
updateColor(table->currentItem());
}
void SpreadSheet::selectFont()
{
QList<QTableWidgetItem*> selected = table->selectedItems();
if (selected.count() == 0)
return;
bool ok = false;
QFont fnt = QFontDialog::getFont(&ok, font(), this);
if (!ok)
return;
foreach (QTableWidgetItem *i, selected) {
if (i)
i->setFont(fnt);
}
}
bool SpreadSheet::runInputDialog(const QString &title,
const QString &c1Text,
const QString &c2Text,
const QString &opText,
const QString &outText,
QString *cell1, QString *cell2, QString *outCell)
{
QStringList rows, cols;
for (int c = 0; c < table->columnCount(); ++c)
cols << QChar('A' + c);
for (int r = 0; r < table->rowCount(); ++r)
rows << QString::number(1 + r);
QDialog addDialog(this);
addDialog.setWindowTitle(title);
QGroupBox group(title, &addDialog);
group.setMinimumSize(250, 100);
QLabel cell1Label(c1Text, &group);
QComboBox cell1RowInput(&group);
int c1Row, c1Col;
decode_pos(*cell1, &c1Row, &c1Col);
cell1RowInput.addItems(rows);
cell1RowInput.setCurrentIndex(c1Row);
QComboBox cell1ColInput(&group);
cell1ColInput.addItems(cols);
cell1ColInput.setCurrentIndex(c1Col);
QLabel operatorLabel(opText, &group);
operatorLabel.setAlignment(Qt::AlignHCenter);
QLabel cell2Label(c2Text, &group);
QComboBox cell2RowInput(&group);
int c2Row, c2Col;
decode_pos(*cell2, &c2Row, &c2Col);
cell2RowInput.addItems(rows);
cell2RowInput.setCurrentIndex(c2Row);
QComboBox cell2ColInput(&group);
cell2ColInput.addItems(cols);
cell2ColInput.setCurrentIndex(c2Col);
QLabel equalsLabel("=", &group);
equalsLabel.setAlignment(Qt::AlignHCenter);
QLabel outLabel(outText, &group);
QComboBox outRowInput(&group);
int outRow, outCol;
decode_pos(*outCell, &outRow, &outCol);
outRowInput.addItems(rows);
outRowInput.setCurrentIndex(outRow);
QComboBox outColInput(&group);
outColInput.addItems(cols);
outColInput.setCurrentIndex(outCol);
QPushButton cancelButton(tr("Cancel"), &addDialog);
connect(&cancelButton, &QAbstractButton::clicked, &addDialog, &QDialog::reject);
QPushButton okButton(tr("OK"), &addDialog);
okButton.setDefault(true);
connect(&okButton, &QAbstractButton::clicked, &addDialog, &QDialog::accept);
QHBoxLayout *buttonsLayout = new QHBoxLayout;
buttonsLayout->addStretch(1);
buttonsLayout->addWidget(&okButton);
buttonsLayout->addSpacing(10);
buttonsLayout->addWidget(&cancelButton);
QVBoxLayout *dialogLayout = new QVBoxLayout(&addDialog);
dialogLayout->addWidget(&group);
dialogLayout->addStretch(1);
dialogLayout->addItem(buttonsLayout);
QHBoxLayout *cell1Layout = new QHBoxLayout;
cell1Layout->addWidget(&cell1Label);
cell1Layout->addSpacing(10);
cell1Layout->addWidget(&cell1ColInput);
cell1Layout->addSpacing(10);
cell1Layout->addWidget(&cell1RowInput);
QHBoxLayout *cell2Layout = new QHBoxLayout;
cell2Layout->addWidget(&cell2Label);
cell2Layout->addSpacing(10);
cell2Layout->addWidget(&cell2ColInput);
cell2Layout->addSpacing(10);
cell2Layout->addWidget(&cell2RowInput);
QHBoxLayout *outLayout = new QHBoxLayout;
outLayout->addWidget(&outLabel);
outLayout->addSpacing(10);
outLayout->addWidget(&outColInput);
outLayout->addSpacing(10);
outLayout->addWidget(&outRowInput);
QVBoxLayout *vLayout = new QVBoxLayout(&group);
vLayout->addItem(cell1Layout);
vLayout->addWidget(&operatorLabel);
vLayout->addItem(cell2Layout);
vLayout->addWidget(&equalsLabel);
vLayout->addStretch(1);
vLayout->addItem(outLayout);
if (addDialog.exec()) {
*cell1 = cell1ColInput.currentText() + cell1RowInput.currentText();
*cell2 = cell2ColInput.currentText() + cell2RowInput.currentText();
*outCell = outColInput.currentText() + outRowInput.currentText();
return true;
}
return false;
}
void SpreadSheet::actionSum()
{
int row_first = 0;
int row_last = 0;
int row_cur = 0;
int col_first = 0;
int col_last = 0;
int col_cur = 0;
QList<QTableWidgetItem*> selected = table->selectedItems();
if (!selected.isEmpty()) {
QTableWidgetItem *first = selected.first();
QTableWidgetItem *last = selected.last();
row_first = table->row(first);
row_last = table->row(last);
col_first = table->column(first);
col_last = table->column(last);
}
QTableWidgetItem *current = table->currentItem();
if (current) {
row_cur = table->row(current);
col_cur = table->column(current);
}
QString cell1 = encode_pos(row_first, col_first);
QString cell2 = encode_pos(row_last, col_last);
QString out = encode_pos(row_cur, col_cur);
if (runInputDialog(tr("Sum cells"), tr("First cell:"), tr("Last cell:"),
QString("%1").arg(QChar(0x03a3)), tr("Output to:"),
&cell1, &cell2, &out)) {
int row;
int col;
decode_pos(out, &row, &col);
table->item(row, col)->setText(tr("sum %1 %2").arg(cell1, cell2));
}
}
void SpreadSheet::actionMath_helper(const QString &title, const QString &op)
{
QString cell1 = "C1";
QString cell2 = "C2";
QString out = "C3";
QTableWidgetItem *current = table->currentItem();
if (current)
out = encode_pos(table->currentRow(), table->currentColumn());
if (runInputDialog(title, tr("Cell 1"), tr("Cell 2"), op, tr("Output to:"),
&cell1, &cell2, &out)) {
int row, col;
decode_pos(out, &row, &col);
table->item(row, col)->setText(tr("%1 %2 %3").arg(op, cell1, cell2));
}
}
void SpreadSheet::actionAdd()
{
actionMath_helper(tr("Addition"), "+");
}
void SpreadSheet::actionSubtract()
{
actionMath_helper(tr("Subtraction"), "-");
}
void SpreadSheet::actionMultiply()
{
actionMath_helper(tr("Multiplication"), "*");
}
void SpreadSheet::actionDivide()
{
actionMath_helper(tr("Division"), "/");
}
void SpreadSheet::clear()
{
foreach (QTableWidgetItem *i, table->selectedItems())
i->setText("");
}
void SpreadSheet::setupContextMenu()
{
addAction(cell_addAction);
addAction(cell_subAction);
addAction(cell_mulAction);
addAction(cell_divAction);
addAction(cell_sumAction);
addAction(firstSeparator);
addAction(colorAction);
addAction(fontAction);
addAction(secondSeparator);
addAction(clearAction);
setContextMenuPolicy(Qt::ActionsContextMenu);
}
void SpreadSheet::setupContents()
{
QColor titleBackground(Qt::lightGray);
QFont titleFont = table->font();
titleFont.setBold(true);
// column 0
table->setItem(0, 0, new SpreadSheetItem("Item"));
table->item(0, 0)->setBackgroundColor(titleBackground);
table->item(0, 0)->setToolTip("This column shows the purchased item/service");
table->item(0, 0)->setFont(titleFont);
table->setItem(1, 0, new SpreadSheetItem("AirportBus"));
table->setItem(2, 0, new SpreadSheetItem("Flight (Munich)"));
table->setItem(3, 0, new SpreadSheetItem("Lunch"));
table->setItem(4, 0, new SpreadSheetItem("Flight (LA)"));
table->setItem(5, 0, new SpreadSheetItem("Taxi"));
table->setItem(6, 0, new SpreadSheetItem("Dinner"));
table->setItem(7, 0, new SpreadSheetItem("Hotel"));
table->setItem(8, 0, new SpreadSheetItem("Flight (Oslo)"));
table->setItem(9, 0, new SpreadSheetItem("Total:"));
table->item(9, 0)->setFont(titleFont);
table->item(9, 0)->setBackgroundColor(Qt::lightGray);
// column 1
table->setItem(0, 1, new SpreadSheetItem("Date"));
table->item(0, 1)->setBackgroundColor(titleBackground);
table->item(0, 1)->setToolTip("This column shows the purchase date, double click to change");
table->item(0, 1)->setFont(titleFont);
table->setItem(1, 1, new SpreadSheetItem("15/6/2006"));
table->setItem(2, 1, new SpreadSheetItem("15/6/2006"));
table->setItem(3, 1, new SpreadSheetItem("15/6/2006"));
table->setItem(4, 1, new SpreadSheetItem("21/5/2006"));
table->setItem(5, 1, new SpreadSheetItem("16/6/2006"));
table->setItem(6, 1, new SpreadSheetItem("16/6/2006"));
table->setItem(7, 1, new SpreadSheetItem("16/6/2006"));
table->setItem(8, 1, new SpreadSheetItem("18/6/2006"));
table->setItem(9, 1, new SpreadSheetItem());
table->item(9, 1)->setBackgroundColor(Qt::lightGray);
// column 2
table->setItem(0, 2, new SpreadSheetItem("Price"));
table->item(0, 2)->setBackgroundColor(titleBackground);
table->item(0, 2)->setToolTip("This column shows the price of the purchase");
table->item(0, 2)->setFont(titleFont);
table->setItem(1, 2, new SpreadSheetItem("150"));
table->setItem(2, 2, new SpreadSheetItem("2350"));
table->setItem(3, 2, new SpreadSheetItem("-14"));
table->setItem(4, 2, new SpreadSheetItem("980"));
table->setItem(5, 2, new SpreadSheetItem("5"));
table->setItem(6, 2, new SpreadSheetItem("120"));
table->setItem(7, 2, new SpreadSheetItem("300"));
table->setItem(8, 2, new SpreadSheetItem("1240"));
table->setItem(9, 2, new SpreadSheetItem());
table->item(9, 2)->setBackgroundColor(Qt::lightGray);
// column 3
table->setItem(0, 3, new SpreadSheetItem("Currency"));
table->item(0, 3)->setBackgroundColor(titleBackground);
table->item(0, 3)->setToolTip("This column shows the currency");
table->item(0, 3)->setFont(titleFont);
table->setItem(1, 3, new SpreadSheetItem("NOK"));
table->setItem(2, 3, new SpreadSheetItem("NOK"));
table->setItem(3, 3, new SpreadSheetItem("EUR"));
table->setItem(4, 3, new SpreadSheetItem("EUR"));
table->setItem(5, 3, new SpreadSheetItem("USD"));
table->setItem(6, 3, new SpreadSheetItem("USD"));
table->setItem(7, 3, new SpreadSheetItem("USD"));
table->setItem(8, 3, new SpreadSheetItem("USD"));
table->setItem(9, 3, new SpreadSheetItem());
table->item(9,3)->setBackgroundColor(Qt::lightGray);
// column 4
table->setItem(0, 4, new SpreadSheetItem("Ex. Rate"));
table->item(0, 4)->setBackgroundColor(titleBackground);
table->item(0, 4)->setToolTip("This column shows the exchange rate to NOK");
table->item(0, 4)->setFont(titleFont);
table->setItem(1, 4, new SpreadSheetItem("1"));
table->setItem(2, 4, new SpreadSheetItem("1"));
table->setItem(3, 4, new SpreadSheetItem("8"));
table->setItem(4, 4, new SpreadSheetItem("8"));
table->setItem(5, 4, new SpreadSheetItem("7"));
table->setItem(6, 4, new SpreadSheetItem("7"));
table->setItem(7, 4, new SpreadSheetItem("7"));
table->setItem(8, 4, new SpreadSheetItem("7"));
table->setItem(9, 4, new SpreadSheetItem());
table->item(9,4)->setBackgroundColor(Qt::lightGray);
// column 5
table->setItem(0, 5, new SpreadSheetItem("NOK"));
table->item(0, 5)->setBackgroundColor(titleBackground);
table->item(0, 5)->setToolTip("This column shows the expenses in NOK");
table->item(0, 5)->setFont(titleFont);
table->setItem(1, 5, new SpreadSheetItem("* C2 E2"));
table->setItem(2, 5, new SpreadSheetItem("* C3 E3"));
table->setItem(3, 5, new SpreadSheetItem("* C4 E4"));
table->setItem(4, 5, new SpreadSheetItem("* C5 E5"));
table->setItem(5, 5, new SpreadSheetItem("* C6 E6"));
table->setItem(6, 5, new SpreadSheetItem("* C7 E7"));
table->setItem(7, 5, new SpreadSheetItem("* C8 E8"));
table->setItem(8, 5, new SpreadSheetItem("* C9 E9"));
table->setItem(9, 5, new SpreadSheetItem("sum F2 F9"));
table->item(9,5)->setBackgroundColor(Qt::lightGray);
}
const char *htmlText =
"<HTML>"
"<p><b>This demo shows use of <c>QTableWidget</c> with custom handling for"
" individual cells.</b></p>"
"<p>Using a customized table item we make it possible to have dynamic"
" output in different cells. The content that is implemented for this"
" particular demo is:"
"<ul>"
"<li>Adding two cells.</li>"
"<li>Subtracting one cell from another.</li>"
"<li>Multiplying two cells.</li>"
"<li>Dividing one cell with another.</li>"
"<li>Summing the contents of an arbitrary number of cells.</li>"
"</HTML>";
void SpreadSheet::showAbout()
{
QMessageBox::about(this, "About Spreadsheet", htmlText);
}
void decode_pos(const QString &pos, int *row, int *col)
{
if (pos.isEmpty()) {
*col = -1;
*row = -1;
} else {
*col = pos.at(0).toLatin1() - 'A';
*row = pos.right(pos.size() - 1).toInt() - 1;
}
}
QString encode_pos(int row, int col)
{
return QString(col + 'A') + QString::number(row + 1);
}
void SpreadSheet::print()
{
#if QT_CONFIG(printpreviewdialog)
QPrinter printer(QPrinter::ScreenResolution);
QPrintPreviewDialog dlg(&printer);
PrintView view;
view.setModel(table->model());
connect(&dlg, &QPrintPreviewDialog::paintRequested, &view, &PrintView::print);
dlg.exec();
#endif
}

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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/
// Some code is fixed by j2doll.
#ifndef SPREADSHEET_H
#define SPREADSHEET_H
#include <QMainWindow>
QT_BEGIN_NAMESPACE
class QAction;
class QLabel;
class QLineEdit;
class QToolBar;
class QTableWidgetItem;
class QTableWidget;
QT_END_NAMESPACE
class SpreadSheet : public QMainWindow
{
Q_OBJECT
public:
SpreadSheet(int rows, int cols, QWidget *parent = 0);
public slots:
void updateStatus(QTableWidgetItem *item);
void updateColor(QTableWidgetItem *item);
void updateLineEdit(QTableWidgetItem *item);
void returnPressed();
void selectColor();
void selectFont();
void clear();
void showAbout();
void print();
void actionSum();
void actionSubtract();
void actionAdd();
void actionMultiply();
void actionDivide();
protected:
void setupContextMenu();
void setupContents();
void setupMenuBar();
void createActions();
void actionMath_helper(const QString &title, const QString &op);
bool runInputDialog(const QString &title,
const QString &c1Text,
const QString &c2Text,
const QString &opText,
const QString &outText,
QString *cell1, QString *cell2, QString *outCell);
private:
QToolBar *toolBar;
QAction *colorAction;
QAction *fontAction;
QAction *firstSeparator;
QAction *cell_sumAction;
QAction *cell_addAction;
QAction *cell_subAction;
QAction *cell_mulAction;
QAction *cell_divAction;
QAction *secondSeparator;
QAction *clearAction;
QAction *aboutSpreadSheet;
QAction *exitAction;
QAction *printAction;
QLabel *cellLabel;
QTableWidget *table;
QLineEdit *formulaInput;
};
void decode_pos(const QString &pos, int *row, int *col);
QString encode_pos(int row, int col);
#endif // SPREADSHEET_H

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#
# spreadsheet.pro
# main code from qt example. https://www.qt.io
#
QT += widgets
qtHaveModule(printsupport): QT += printsupport
#unix:qtHaveModule(dbus): QT += dbus widgets
QXLSX_PARENTPATH=../QXlsx/
QXLSX_HEADERPATH=../QXlsx/header/
QXLSX_SOURCEPATH=../QXlsx/source/
include(../QXlsx/QXlsx.pri)
HEADERS += \
printview.h \
spreadsheet.h \
spreadsheetdelegate.h \
spreadsheetitem.h
SOURCES += \
main.cpp \
printview.cpp \
spreadsheet.cpp \
spreadsheetdelegate.cpp \
spreadsheetitem.cpp
RESOURCES += \
spreadsheet.qrc
build_all:!build_pass {
CONFIG -= build_all
CONFIG += release
}
# install
# target.path = $$[QT_INSTALL_EXAMPLES]/widgets/itemviews/spreadsheet
# INSTALLS += target

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<!DOCTYPE RCC><RCC version="1.0">
<qresource prefix="/">
<file>images/interview.png</file>
</qresource>
</RCC>

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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/
// Some code is fixed by j2doll.
#include "spreadsheetdelegate.h"
#include <QtWidgets>
SpreadSheetDelegate::SpreadSheetDelegate(QObject *parent)
: QItemDelegate(parent) {}
QWidget *SpreadSheetDelegate::createEditor(QWidget *parent,
const QStyleOptionViewItem &,
const QModelIndex &index) const
{
if (index.column() == 1) {
QDateTimeEdit *editor = new QDateTimeEdit(parent);
editor->setDisplayFormat("dd/M/yyyy");
editor->setCalendarPopup(true);
return editor;
}
QLineEdit *editor = new QLineEdit(parent);
// create a completer with the strings in the column as model
QStringList allStrings;
for (int i = 1; i<index.model()->rowCount(); i++) {
QString strItem(index.model()->data(index.sibling(i, index.column()),
Qt::EditRole).toString());
if (!allStrings.contains(strItem))
allStrings.append(strItem);
}
QCompleter *autoComplete = new QCompleter(allStrings);
editor->setCompleter(autoComplete);
connect(editor, &QLineEdit::editingFinished, this, &SpreadSheetDelegate::commitAndCloseEditor);
return editor;
}
void SpreadSheetDelegate::commitAndCloseEditor()
{
QLineEdit *editor = qobject_cast<QLineEdit *>(sender());
emit commitData(editor);
emit closeEditor(editor);
}
void SpreadSheetDelegate::setEditorData(QWidget *editor,
const QModelIndex &index) const
{
QLineEdit *edit = qobject_cast<QLineEdit*>(editor);
if (edit) {
edit->setText(index.model()->data(index, Qt::EditRole).toString());
return;
}
QDateTimeEdit *dateEditor = qobject_cast<QDateTimeEdit *>(editor);
if (dateEditor) {
dateEditor->setDate(QDate::fromString(
index.model()->data(index, Qt::EditRole).toString(),
"d/M/yyyy"));
}
}
void SpreadSheetDelegate::setModelData(QWidget *editor,
QAbstractItemModel *model, const QModelIndex &index) const
{
QLineEdit *edit = qobject_cast<QLineEdit *>(editor);
if (edit) {
model->setData(index, edit->text());
return;
}
QDateTimeEdit *dateEditor = qobject_cast<QDateTimeEdit *>(editor);
if (dateEditor)
model->setData(index, dateEditor->date().toString("dd/M/yyyy"));
}

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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/
// Some code is fixed by j2doll.
#ifndef SPREADSHEETDELEGATE_H
#define SPREADSHEETDELEGATE_H
#include "spreadsheet.h"
#include <QItemDelegate>
class SpreadSheetDelegate : public QItemDelegate
{
Q_OBJECT
public:
SpreadSheetDelegate(QObject *parent = 0);
QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &,
const QModelIndex &index) const override;
void setEditorData(QWidget *editor, const QModelIndex &index) const override;
void setModelData(QWidget *editor, QAbstractItemModel *model,
const QModelIndex &index) const override;
private slots:
void commitAndCloseEditor();
};
#endif // SPREADSHEETDELEGATE_H

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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/
// Some code is fixed by j2doll.
#include "spreadsheetitem.h"
SpreadSheetItem::SpreadSheetItem()
: QTableWidgetItem(), isResolving(false)
{
}
SpreadSheetItem::SpreadSheetItem(const QString &text)
: QTableWidgetItem(text), isResolving(false)
{
}
QTableWidgetItem *SpreadSheetItem::clone() const
{
SpreadSheetItem *item = new SpreadSheetItem();
*item = *this;
return item;
}
QVariant SpreadSheetItem::data(int role) const
{
if (role == Qt::EditRole || role == Qt::StatusTipRole)
return formula();
if (role == Qt::DisplayRole)
return display();
QString t = display().toString();
bool isNumber = false;
int number = t.toInt(&isNumber);
if (role == Qt::TextColorRole) {
if (!isNumber)
return QVariant::fromValue(QColor(Qt::black));
else if (number < 0)
return QVariant::fromValue(QColor(Qt::red));
return QVariant::fromValue(QColor(Qt::blue));
}
if (role == Qt::TextAlignmentRole)
if (!t.isEmpty() && (t.at(0).isNumber() || t.at(0) == '-'))
return (int)(Qt::AlignRight | Qt::AlignVCenter);
return QTableWidgetItem::data(role);
}
void SpreadSheetItem::setData(int role, const QVariant &value)
{
QTableWidgetItem::setData(role, value);
if (tableWidget())
tableWidget()->viewport()->update();
}
QVariant SpreadSheetItem::display() const
{
// avoid circular dependencies
if (isResolving)
return QVariant();
isResolving = true;
QVariant result = computeFormula(formula(), tableWidget(), this);
isResolving = false;
return result;
}
QVariant SpreadSheetItem::computeFormula(const QString &formula,
const QTableWidget *widget,
const QTableWidgetItem *self)
{
// check if the s tring is actually a formula or not
QStringList list = formula.split(' ');
if (list.isEmpty() || !widget)
return formula; // it is a normal string
QString op = list.value(0).toLower();
int firstRow = -1;
int firstCol = -1;
int secondRow = -1;
int secondCol = -1;
if (list.count() > 1)
decode_pos(list.value(1), &firstRow, &firstCol);
if (list.count() > 2)
decode_pos(list.value(2), &secondRow, &secondCol);
const QTableWidgetItem *start = widget->item(firstRow, firstCol);
const QTableWidgetItem *end = widget->item(secondRow, secondCol);
int firstVal = start ? start->text().toInt() : 0;
int secondVal = end ? end->text().toInt() : 0;
QVariant result;
if (op == "sum") {
int sum = 0;
for (int r = firstRow; r <= secondRow; ++r) {
for (int c = firstCol; c <= secondCol; ++c) {
const QTableWidgetItem *tableItem = widget->item(r, c);
if (tableItem && tableItem != self)
sum += tableItem->text().toInt();
}
}
result = sum;
} else if (op == "+") {
result = (firstVal + secondVal);
} else if (op == "-") {
result = (firstVal - secondVal);
} else if (op == "*") {
result = (firstVal * secondVal);
} else if (op == "/") {
if (secondVal == 0)
result = QString("nan");
else
result = (firstVal / secondVal);
} else if (op == "=") {
if (start)
result = start->text();
} else {
result = formula;
}
return result;
}

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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/
// Some code is fixed by j2doll.
#ifndef SPREADSHEETITEM_H
#define SPREADSHEETITEM_H
#include "spreadsheet.h"
#include <QTableWidgetItem>
class SpreadSheetItem : public QTableWidgetItem
{
public:
SpreadSheetItem();
SpreadSheetItem(const QString &text);
QTableWidgetItem *clone() const override;
QVariant data(int role) const override;
void setData(int role, const QVariant &value) override;
QVariant display() const;
inline QString formula() const
{
return QTableWidgetItem::data(Qt::DisplayRole).toString();
}
static QVariant computeFormula(const QString &formula,
const QTableWidget *widget,
const QTableWidgetItem *self = 0);
private:
mutable bool isResolving;
};
#endif // SPREADSHEETITEM_H