Qt 4.0: detailsdialog.cpp Example File (richtext/orderform/detailsdialog.cpp)

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# detailsdialog.cpp Example File
richtext/orderform/detailsdialog.cpp

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        **
        ** Copyright (C) 2005-2005 Trolltech AS. All rights reserved.
        **
        ** This file is part of the documentation of the Qt Toolkit.
        **
        ** This file may be used under the terms of the GNU General Public
    ** License version 2.0 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 GNU
    ** General Public Licensing requirements will be met:
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    ** review the following information:
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        **
        ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
        ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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        ****************************************************************************/

        #include <QtGui>

        #include "detailsdialog.h"

        DetailsDialog::DetailsDialog(const QString &title, QWidget *parent)
            : QDialog(parent)
        {
            QLabel *nameLabel = new QLabel(tr("Name:"));
            QLabel *addressLabel = new QLabel(tr("Address:"));

            nameEdit = new QLineEdit;
            addressEdit = new QTextEdit;
            addressEdit->setPlainText("");
            offersCheckBox = new QCheckBox(tr("Send offers:"));

            setupItemsTable();

            QPushButton *okButton = new QPushButton(tr("OK"));
            QPushButton *cancelButton = new QPushButton(tr("Cancel"));
            okButton->setDefault(true);

            connect(okButton, SIGNAL(clicked()), this, SLOT(verify()));
            connect(cancelButton, SIGNAL(clicked()), this, SLOT(reject()));

            QGridLayout *detailsLayout = new QGridLayout;
            detailsLayout->addWidget(nameLabel, 0, 0);
            detailsLayout->addWidget(nameEdit, 0, 1);
            detailsLayout->addWidget(addressLabel, 1, 0);
            detailsLayout->addWidget(addressEdit, 1, 1);
            detailsLayout->addWidget(itemsTable, 0, 2, 2, 2);
            detailsLayout->addWidget(offersCheckBox, 2, 1, 1, 4);

            QHBoxLayout *buttonLayout = new QHBoxLayout;
            buttonLayout->addStretch(1);
            buttonLayout->addWidget(okButton);
            buttonLayout->addWidget(cancelButton);

            QVBoxLayout *mainLayout = new QVBoxLayout;
            mainLayout->addLayout(detailsLayout);
            mainLayout->addLayout(buttonLayout);
            setLayout(mainLayout);

            setWindowTitle(title);
        }

        void DetailsDialog::setupItemsTable()
        {
            items << tr("T-shirt") << tr("Badge") << tr("Reference book")
                  << tr("Coffee cup");

            itemsTable = new QTableWidget(items.count(), 2);

            for (int row = 0; row < items.count(); ++row) {
                QTableWidgetItem *name = new QTableWidgetItem(items[row]);
                name->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable);
                itemsTable->setItem(row, 0, name);
                QTableWidgetItem *quantity = new QTableWidgetItem("1");
                itemsTable->setItem(row, 1, quantity);
            }
        }

        QList<QPair<QString,int> > DetailsDialog::orderItems()
        {
            QList<QPair<QString,int> > orderList;

            for (int row = 0; row < items.count(); ++row) {
                QPair<QString,int> item;
                item.first = itemsTable->item(row, 0)->text();
                int quantity = itemsTable->item(row, 1)->data(Qt::DisplayRole).toInt();
                item.second = qMax(0, quantity);
                orderList.append(item);
            }

            return orderList;
        }

        QString DetailsDialog::senderName() const
        {
            return nameEdit->text();
        }

        QString DetailsDialog::senderAddress() const
        {
            return addressEdit->toPlainText();
        }

        bool DetailsDialog::sendOffers()
        {
            return offersCheckBox->isChecked();
        }

        void DetailsDialog::verify()
        {
            if (!nameEdit->text().isEmpty() && !addressEdit->toPlainText().isEmpty()) {
                accept();
                return;
            }

            int answer = QMessageBox::warning(this, tr("Incomplete Form"),
                tr("The form does not contain all the necessary information.\n"
                   "Do you want to discard it?"),
                QMessageBox::Yes, QMessageBox::No);

            if (answer == QMessageBox::Yes)
                reject();
        }