Qt 5.11 | Qt Widgets | Order Form Example | detailsdialog.cpp Example File

Qt 5.11.3 Reference Documentation

# detailsdialog.cpp Example File

richtext/orderform/detailsdialog.cpp

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      #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();
      }