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#include <QtGui>

#include "detailsdialog.h"

//! [0]

DetailsDialog::DetailsDialog(const QString &title, QWidget *parent)

    : QDialog(parent)

{

    nameLabel = new QLabel(tr("Name:"));

    addressLabel = new QLabel(tr("Address:"));

    addressLabel->setAlignment(Qt::AlignLeft | Qt::AlignTop);

    nameEdit = new QLineEdit;

    addressEdit = new QTextEdit;

    offersCheckBox = new QCheckBox(tr("Send information about products and "

                                      "special offers"));

    setupItemsTable();

    buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok

                                     | QDialogButtonBox::Cancel);

    connect(buttonBox, SIGNAL(accepted()), this, SLOT(verify()));

    connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));

//! [0]

//! [1]

    QGridLayout *mainLayout = new QGridLayout;

    mainLayout->addWidget(nameLabel, 0, 0);

    mainLayout->addWidget(nameEdit, 0, 1);

    mainLayout->addWidget(addressLabel, 1, 0);

    mainLayout->addWidget(addressEdit, 1, 1);

    mainLayout->addWidget(itemsTable, 0, 2, 2, 1);

    mainLayout->addWidget(offersCheckBox, 2, 1, 1, 2);

    mainLayout->addWidget(buttonBox, 3, 0, 1, 3);

    setLayout(mainLayout);

    setWindowTitle(title);

}

//! [1]

//! [2]

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);

    }

}

//! [2]

//! [3]

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;

}

//! [3]

//! [4]

QString DetailsDialog::senderName() const

{

    return nameEdit->text();

}

//! [4]

//! [5]

QString DetailsDialog::senderAddress() const

{

    return addressEdit->toPlainText();

}

//! [5]

//! [6]

bool DetailsDialog::sendOffers()

{

    return offersCheckBox->isChecked();

}

//! [6]

//! [7]

void DetailsDialog::verify()

{

    if (!nameEdit->text().isEmpty() && !addressEdit->toPlainText().isEmpty()) {

        accept();

        return;

    }

    QMessageBox::StandardButton answer;

    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();

}

//! [7]