detailsdialog.cpp Example File | Qt Widgets 5.6

Qt 5.6 | Qt Widgets | Order Form Example | detailsdialog.cpp Example File

Qt 5.6.2 Reference Documentation

# detailsdialog.cpp Example File

richtext/orderform/detailsdialog.cpp

      /****************************************************************************
      **
      ** Copyright (C) 2015 The Qt Company Ltd.
      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the examples of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:BSD$
      ** 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, SIGNAL(accepted()), this, SLOT(verify()));
          connect(buttonBox, SIGNAL(rejected()), this, SLOT(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();
      }