detailsdialog.cpp Example File

  /****************************************************************************
  **
  ** Copyright (C) 2016 The Qt Company Ltd.
  ** Contact: https://www.qt.io/licensing/
  **
  ** This file is part of the examples 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."
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/

  #include <QtWidgets>

  #include "detailsdialog.h"

  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, &QDialogButtonBox::accepted, this, &DetailsDialog::verify);
      connect(buttonBox, &QDialogButtonBox::rejected, this, &DetailsDialog::reject);

      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);
  }

  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;
      }

      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();
  }