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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QtGui>

#include "mainwindow.h"

MainWindow::MainWindow()
{
    QMenu *fileMenu = new QMenu(tr("&File"));

    QAction *quitAction = fileMenu->addAction(tr("E&xit"));
    quitAction->setShortcut(tr("Ctrl+Q"));

    QMenu *tableMenu = new QMenu(tr("&Table"));

    QAction *tableWidthAction = tableMenu->addAction(tr("Change Table &Width"));
    QAction *tableHeightAction = tableMenu->addAction(tr("Change Table &Height"));

    menuBar()->addMenu(fileMenu);
    menuBar()->addMenu(tableMenu);

//! [0]
    tableWidget = new QTableWidget(this);
//! [0]
    tableWidget->setSelectionMode(QAbstractItemView::ExtendedSelection);

    connect(quitAction, SIGNAL(triggered()), this, SLOT(close()));
    connect(tableWidthAction, SIGNAL(triggered()), this, SLOT(changeWidth()));
    connect(tableHeightAction, SIGNAL(triggered()), this, SLOT(changeHeight()));

    setupTableItems();

    setCentralWidget(tableWidget);
    setWindowTitle(tr("Table Widget Resizing"));
}

void MainWindow::setupTableItems()
{
//! [1]
    tableWidget->setRowCount(10);
    tableWidget->setColumnCount(5);
//! [1]

    for (int row = 0; row < tableWidget->rowCount(); ++row) {
        for (int column = 0; column < tableWidget->columnCount(); ++column) {
//! [2]
    QTableWidgetItem *newItem = new QTableWidgetItem(tr("%1").arg(
        (row+1)*(column+1)));
    tableWidget->setItem(row, column, newItem);
//! [2]
        }
    }
}

void MainWindow::changeWidth()
{
    bool ok;

    int newWidth = QInputDialog::getInteger(this, tr("Change table width"),
        tr("Input the number of columns required (1-20):"),
        tableWidget->columnCount(), 1, 20, 1, &ok);

    if (ok)
        tableWidget->setColumnCount(newWidth);
}

void MainWindow::changeHeight()
{
    bool ok;

    int newHeight = QInputDialog::getInteger(this, tr("Change table height"),
        tr("Input the number of rows required (1-20):"),
        tableWidget->rowCount(), 1, 20, 1, &ok);

    if (ok)
        tableWidget->setRowCount(newHeight);
}