qt 6.5.1 original

examples/widgets/itemviews/addressbook/CMakeLists.txt

@@ -0,0 +1,41 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+cmake_minimum_required(VERSION 3.16)
+project(addressbook LANGUAGES CXX)
+
+if(NOT DEFINED INSTALL_EXAMPLESDIR)
+    set(INSTALL_EXAMPLESDIR "examples")
+endif()
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/itemviews/addressbook")
+
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets)
+
+qt_standard_project_setup()
+
+qt_add_executable(addressbook
+    adddialog.cpp adddialog.h
+    addresswidget.cpp addresswidget.h
+    main.cpp
+    mainwindow.cpp mainwindow.h
+    newaddresstab.cpp newaddresstab.h
+    tablemodel.cpp tablemodel.h
+)
+
+set_target_properties(addressbook PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(addressbook PRIVATE
+    Qt6::Core
+    Qt6::Gui
+    Qt6::Widgets
+)
+
+install(TARGETS addressbook
+    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
+    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
+    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
+)

examples/widgets/itemviews/addressbook/adddialog.cpp

@@ -0,0 +1,59 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "adddialog.h"
+
+#include <QtWidgets>
+
+//! [0]
+AddDialog::AddDialog(QWidget *parent)
+    : QDialog(parent),
+      nameText(new QLineEdit),
+      addressText(new QTextEdit)
+{
+    auto nameLabel = new QLabel(tr("Name"));
+    auto addressLabel = new QLabel(tr("Address"));
+    auto okButton = new QPushButton(tr("OK"));
+    auto cancelButton = new QPushButton(tr("Cancel"));
+
+    auto gLayout = new QGridLayout;
+    gLayout->setColumnStretch(1, 2);
+    gLayout->addWidget(nameLabel, 0, 0);
+    gLayout->addWidget(nameText, 0, 1);
+
+    gLayout->addWidget(addressLabel, 1, 0, Qt::AlignLeft|Qt::AlignTop);
+    gLayout->addWidget(addressText, 1, 1, Qt::AlignLeft);
+
+    auto buttonLayout = new QHBoxLayout;
+    buttonLayout->addWidget(okButton);
+    buttonLayout->addWidget(cancelButton);
+
+    gLayout->addLayout(buttonLayout, 2, 1, Qt::AlignRight);
+
+    auto mainLayout = new QVBoxLayout;
+    mainLayout->addLayout(gLayout);
+    setLayout(mainLayout);
+
+    connect(okButton, &QAbstractButton::clicked, this, &QDialog::accept);
+    connect(cancelButton, &QAbstractButton::clicked, this, &QDialog::reject);
+
+    setWindowTitle(tr("Add a Contact"));
+}
+
+QString AddDialog::name() const
+{
+    return nameText->text();
+}
+
+QString AddDialog::address() const
+{
+    return addressText->toPlainText();
+}
+
+void AddDialog::editAddress(const QString &name, const QString &address)
+{
+    nameText->setReadOnly(true);
+    nameText->setText(name);
+    addressText->setPlainText(address);
+}
+//! [0]

examples/widgets/itemviews/addressbook/adddialog.h

@@ -0,0 +1,34 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef ADDDIALOG_H
+#define ADDDIALOG_H
+
+#include <QDialog>
+
+QT_BEGIN_NAMESPACE
+class QLabel;
+class QPushButton;
+class QTextEdit;
+class QLineEdit;
+QT_END_NAMESPACE
+
+//! [0]
+class AddDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    AddDialog(QWidget *parent = nullptr);
+
+    QString name() const;
+    QString address() const;
+    void editAddress(const QString &name, const QString &address);
+
+private:
+    QLineEdit *nameText;
+    QTextEdit *addressText;
+};
+//! [0]
+
+#endif // ADDDIALOG_H

examples/widgets/itemviews/addressbook/addressbook.pro

@@ -0,0 +1,18 @@
+QT += widgets
+requires(qtConfig(listview))
+
+SOURCES   = adddialog.cpp \
+            addresswidget.cpp \
+            main.cpp \
+            mainwindow.cpp \
+            newaddresstab.cpp \
+            tablemodel.cpp
+HEADERS   = adddialog.h \
+            addresswidget.h \
+            mainwindow.h \
+            newaddresstab.h \
+            tablemodel.h
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/widgets/itemviews/addressbook
+INSTALLS += target

examples/widgets/itemviews/addressbook/addresswidget.cpp

@@ -0,0 +1,186 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "addresswidget.h"
+#include "adddialog.h"
+
+#include <QtWidgets>
+
+//! [0]
+AddressWidget::AddressWidget(QWidget *parent)
+    : QTabWidget(parent),
+      table(new TableModel(this)),
+      newAddressTab(new NewAddressTab(this))
+{
+    connect(newAddressTab, &NewAddressTab::sendDetails,
+        this, &AddressWidget::addEntry);
+
+    addTab(newAddressTab, tr("Address Book"));
+
+    setupTabs();
+}
+//! [0]
+
+//! [2]
+void AddressWidget::showAddEntryDialog()
+{
+    AddDialog aDialog;
+
+    if (aDialog.exec())
+        addEntry(aDialog.name(), aDialog.address());
+}
+//! [2]
+
+//! [3]
+void AddressWidget::addEntry(const QString &name, const QString &address)
+{
+    if (!table->getContacts().contains({ name, address })) {
+        table->insertRows(0, 1, QModelIndex());
+
+        QModelIndex index = table->index(0, 0, QModelIndex());
+        table->setData(index, name, Qt::EditRole);
+        index = table->index(0, 1, QModelIndex());
+        table->setData(index, address, Qt::EditRole);
+        removeTab(indexOf(newAddressTab));
+    } else {
+        QMessageBox::information(this, tr("Duplicate Name"),
+            tr("The name \"%1\" already exists.").arg(name));
+    }
+}
+//! [3]
+
+//! [4a]
+void AddressWidget::editEntry()
+{
+    QTableView *temp = static_cast<QTableView*>(currentWidget());
+    QSortFilterProxyModel *proxy = static_cast<QSortFilterProxyModel*>(temp->model());
+    QItemSelectionModel *selectionModel = temp->selectionModel();
+
+    const QModelIndexList indexes = selectionModel->selectedRows();
+    QString name;
+    QString address;
+    int row = -1;
+
+    for (const QModelIndex &index : indexes) {
+        row = proxy->mapToSource(index).row();
+        QModelIndex nameIndex = table->index(row, 0, QModelIndex());
+        QVariant varName = table->data(nameIndex, Qt::DisplayRole);
+        name = varName.toString();
+
+        QModelIndex addressIndex = table->index(row, 1, QModelIndex());
+        QVariant varAddr = table->data(addressIndex, Qt::DisplayRole);
+        address = varAddr.toString();
+    }
+//! [4a]
+
+//! [4b]
+    AddDialog aDialog;
+    aDialog.setWindowTitle(tr("Edit a Contact"));
+    aDialog.editAddress(name, address);
+
+    if (aDialog.exec()) {
+        const QString newAddress = aDialog.address();
+        if (newAddress != address) {
+            const QModelIndex index = table->index(row, 1, QModelIndex());
+            table->setData(index, newAddress, Qt::EditRole);
+        }
+    }
+}
+//! [4b]
+
+//! [5]
+void AddressWidget::removeEntry()
+{
+    QTableView *temp = static_cast<QTableView*>(currentWidget());
+    QSortFilterProxyModel *proxy = static_cast<QSortFilterProxyModel*>(temp->model());
+    QItemSelectionModel *selectionModel = temp->selectionModel();
+
+    const QModelIndexList indexes = selectionModel->selectedRows();
+
+    for (QModelIndex index : indexes) {
+        int row = proxy->mapToSource(index).row();
+        table->removeRows(row, 1, QModelIndex());
+    }
+
+    if (table->rowCount(QModelIndex()) == 0)
+        insertTab(0, newAddressTab, tr("Address Book"));
+}
+//! [5]
+
+//! [1]
+void AddressWidget::setupTabs()
+{
+    using namespace Qt::StringLiterals;
+    const auto groups = { "ABC"_L1, "DEF"_L1, "GHI"_L1, "JKL"_L1, "MNO"_L1, "PQR"_L1,
+                          "STU"_L1, "VW"_L1, "XYZ"_L1 };
+
+    for (QLatin1StringView str : groups) {
+        const auto regExp = QRegularExpression(QLatin1StringView("^[%1].*").arg(str),
+                                               QRegularExpression::CaseInsensitiveOption);
+
+        auto proxyModel = new QSortFilterProxyModel(this);
+        proxyModel->setSourceModel(table);
+        proxyModel->setFilterRegularExpression(regExp);
+        proxyModel->setFilterKeyColumn(0);
+
+        QTableView *tableView = new QTableView;
+        tableView->setModel(proxyModel);
+        tableView->setSelectionBehavior(QAbstractItemView::SelectRows);
+        tableView->horizontalHeader()->setStretchLastSection(true);
+        tableView->verticalHeader()->hide();
+        tableView->setEditTriggers(QAbstractItemView::NoEditTriggers);
+        tableView->setSelectionMode(QAbstractItemView::SingleSelection);
+        tableView->setSortingEnabled(true);
+
+        connect(tableView->selectionModel(), &QItemSelectionModel::selectionChanged,
+                this, &AddressWidget::selectionChanged);
+
+        connect(this, &QTabWidget::currentChanged, this, [this, tableView](int tabIndex) {
+            if (widget(tabIndex) == tableView)
+                emit selectionChanged(tableView->selectionModel()->selection());
+        });
+
+        addTab(tableView, str);
+    }
+}
+//! [1]
+
+//! [7]
+void AddressWidget::readFromFile()
+{
+    QFile file(fileName);
+
+    if (!file.open(QIODevice::ReadOnly)) {
+        QMessageBox::information(this, tr("Unable to open file"),
+            file.errorString());
+        return;
+    }
+
+    QList<Contact> contacts;
+    QDataStream in(&file);
+    in >> contacts;
+
+    if (contacts.isEmpty()) {
+        QMessageBox::information(this, tr("No contacts in file"),
+                                 tr("The file you are attempting to open contains no contacts."));
+    } else {
+        for (const auto &contact: std::as_const(contacts))
+            addEntry(contact.name, contact.address);
+    }
+}
+//! [7]
+
+//! [6]
+void AddressWidget::writeToFile()
+{
+    QFile file(fileName);
+
+    if (!file.open(QIODevice::WriteOnly)) {
+        QMessageBox::information(this, tr("Unable to open file"), file.errorString());
+        return;
+    }
+
+    QDataStream out(&file);
+    out << table->getContacts();
+}
+//! [6]

examples/widgets/itemviews/addressbook/addresswidget.h

@@ -0,0 +1,49 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef ADDRESSWIDGET_H
+#define ADDRESSWIDGET_H
+
+#include "newaddresstab.h"
+#include "tablemodel.h"
+
+#include <QItemSelection>
+#include <QTabWidget>
+#include <QStandardPaths>
+
+QT_BEGIN_NAMESPACE
+class QSortFilterProxyModel;
+class QItemSelectionModel;
+QT_END_NAMESPACE
+
+//! [0]
+class AddressWidget : public QTabWidget
+{
+    Q_OBJECT
+
+public:
+    AddressWidget(QWidget *parent = nullptr);
+    void readFromFile();
+    void writeToFile();
+
+public slots:
+    void showAddEntryDialog();
+    void addEntry(const QString &name, const QString &address);
+    void editEntry();
+    void removeEntry();
+
+signals:
+    void selectionChanged (const QItemSelection &selected);
+
+private:
+    void setupTabs();
+
+    inline static QString fileName =
+        QStandardPaths::standardLocations(QStandardPaths::TempLocation).value(0)
+        + QStringLiteral("/addressbook.dat");
+    TableModel *table;
+    NewAddressTab *newAddressTab;
+};
+//! [0]
+
+#endif // ADDRESSWIDGET_H

examples/widgets/itemviews/addressbook/main.cpp

@@ -0,0 +1,16 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "mainwindow.h"
+
+#include <QApplication>
+
+//! [0]
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    MainWindow mw;
+    mw.show();
+    return app.exec();
+}
+//! [0]

examples/widgets/itemviews/addressbook/mainwindow.cpp

@@ -0,0 +1,93 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "mainwindow.h"
+
+#include <QAction>
+#include <QFileDialog>
+#include <QMenuBar>
+
+//! [0]
+MainWindow::MainWindow()
+    : QMainWindow(),
+      addressWidget(new AddressWidget)
+{
+    setCentralWidget(addressWidget);
+    createMenus();
+    setWindowTitle(tr("Address Book"));
+}
+//! [0]
+
+//! [1a]
+void MainWindow::createMenus()
+{
+    QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
+
+    QAction *openAct = new QAction(tr("&Open..."), this);
+    fileMenu->addAction(openAct);
+    connect(openAct, &QAction::triggered, this, &MainWindow::openFile);
+//! [1a]
+
+    QAction *saveAct = new QAction(tr("&Save"), this);
+    fileMenu->addAction(saveAct);
+    connect(saveAct, &QAction::triggered, this, &MainWindow::saveFile);
+
+    fileMenu->addSeparator();
+
+    QAction *exitAct = new QAction(tr("E&xit"), this);
+    fileMenu->addAction(exitAct);
+    connect(exitAct, &QAction::triggered, this, &QWidget::close);
+
+    QMenu *toolMenu = menuBar()->addMenu(tr("&Tools"));
+
+    QAction *addAct = new QAction(tr("&Add Entry..."), this);
+    toolMenu->addAction(addAct);
+    connect(addAct, &QAction::triggered,
+            addressWidget, &AddressWidget::showAddEntryDialog);
+
+//! [1b]
+    editAct = new QAction(tr("&Edit Entry..."), this);
+    editAct->setEnabled(false);
+    toolMenu->addAction(editAct);
+    connect(editAct, &QAction::triggered, addressWidget, &AddressWidget::editEntry);
+
+    toolMenu->addSeparator();
+
+    removeAct = new QAction(tr("&Remove Entry"), this);
+    removeAct->setEnabled(false);
+    toolMenu->addAction(removeAct);
+    connect(removeAct, &QAction::triggered, addressWidget, &AddressWidget::removeEntry);
+
+    connect(addressWidget, &AddressWidget::selectionChanged,
+        this, &MainWindow::updateActions);
+}
+//! [1b]
+
+//! [2]
+void MainWindow::openFile()
+{
+    addressWidget->readFromFile();
+}
+//! [2]
+
+//! [3]
+void MainWindow::saveFile()
+{
+    addressWidget->writeToFile();
+}
+//! [3]
+
+//! [4]
+void MainWindow::updateActions(const QItemSelection &selection)
+{
+    QModelIndexList indexes = selection.indexes();
+
+    if (!indexes.isEmpty()) {
+        removeAct->setEnabled(true);
+        editAct->setEnabled(true);
+    } else {
+        removeAct->setEnabled(false);
+        editAct->setEnabled(false);
+    }
+}
+//! [4]

examples/widgets/itemviews/addressbook/mainwindow.h

@@ -0,0 +1,33 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include "addresswidget.h"
+
+#include <QMainWindow>
+
+//! [0]
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    MainWindow();
+
+private slots:
+    void updateActions(const QItemSelection &selection);
+    void openFile();
+    void saveFile();
+
+private:
+    void createMenus();
+
+    AddressWidget *addressWidget;
+    QAction *editAct;
+    QAction *removeAct;
+};
+//! [0]
+
+#endif // MAINWINDOW_H

examples/widgets/itemviews/addressbook/newaddresstab.cpp

@@ -0,0 +1,36 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "newaddresstab.h"
+#include "adddialog.h"
+
+#include <QtWidgets>
+
+//! [0]
+NewAddressTab::NewAddressTab(QWidget *parent)
+    : QWidget(parent)
+{
+    auto descriptionLabel = new QLabel(tr("There are currently no contacts in your address book. "
+                                          "\nClick Add to add new contacts."));
+
+    auto addButton = new QPushButton(tr("Add"));
+
+    connect(addButton, &QAbstractButton::clicked, this, &NewAddressTab::addEntry);
+
+    auto mainLayout = new QVBoxLayout;
+    mainLayout->addWidget(descriptionLabel);
+    mainLayout->addWidget(addButton, 0, Qt::AlignCenter);
+
+    setLayout(mainLayout);
+}
+//! [0]
+
+//! [1]
+void NewAddressTab::addEntry()
+{
+    AddDialog aDialog;
+
+    if (aDialog.exec())
+        emit sendDetails(aDialog.name(), aDialog.address());
+}
+//! [1]

examples/widgets/itemviews/addressbook/newaddresstab.h

@@ -0,0 +1,31 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef NEWADDRESSTAB_H
+#define NEWADDRESSTAB_H
+
+#include <QWidget>
+
+QT_BEGIN_NAMESPACE
+class QLabel;
+class QPushButton;
+class QVBoxLayout;
+QT_END_NAMESPACE
+
+//! [0]
+class NewAddressTab : public QWidget
+{
+    Q_OBJECT
+
+public:
+    NewAddressTab(QWidget *parent = nullptr);
+
+public slots:
+    void addEntry();
+
+signals:
+    void sendDetails(const QString &name, const QString &address);
+};
+//! [0]
+
+#endif

examples/widgets/itemviews/addressbook/tablemodel.cpp

@@ -0,0 +1,145 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "tablemodel.h"
+
+//! [0]
+TableModel::TableModel(QObject *parent)
+    : QAbstractTableModel(parent)
+{
+}
+
+TableModel::TableModel(const QList<Contact> &contacts, QObject *parent)
+    : QAbstractTableModel(parent), contacts(contacts)
+{
+}
+//! [0]
+
+//! [1]
+int TableModel::rowCount(const QModelIndex &parent) const
+{
+    return parent.isValid() ? 0 : contacts.size();
+}
+
+int TableModel::columnCount(const QModelIndex &parent) const
+{
+    return parent.isValid() ? 0 : 2;
+}
+//! [1]
+
+//! [2]
+QVariant TableModel::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid())
+        return QVariant();
+
+    if (index.row() >= contacts.size() || index.row() < 0)
+        return QVariant();
+
+    if (role == Qt::DisplayRole) {
+        const auto &contact = contacts.at(index.row());
+
+        switch (index.column()) {
+            case 0:
+                return contact.name;
+            case 1:
+                return contact.address;
+            default:
+                break;
+        }
+    }
+    return QVariant();
+}
+//! [2]
+
+//! [3]
+QVariant TableModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    if (role != Qt::DisplayRole)
+        return QVariant();
+
+    if (orientation == Qt::Horizontal) {
+        switch (section) {
+            case 0:
+                return tr("Name");
+            case 1:
+                return tr("Address");
+            default:
+                break;
+        }
+    }
+    return QVariant();
+}
+//! [3]
+
+//! [4]
+bool TableModel::insertRows(int position, int rows, const QModelIndex &index)
+{
+    Q_UNUSED(index);
+    beginInsertRows(QModelIndex(), position, position + rows - 1);
+
+    for (int row = 0; row < rows; ++row)
+        contacts.insert(position, { QString(), QString() });
+
+    endInsertRows();
+    return true;
+}
+//! [4]
+
+//! [5]
+bool TableModel::removeRows(int position, int rows, const QModelIndex &index)
+{
+    Q_UNUSED(index);
+    beginRemoveRows(QModelIndex(), position, position + rows - 1);
+
+    for (int row = 0; row < rows; ++row)
+        contacts.removeAt(position);
+
+    endRemoveRows();
+    return true;
+}
+//! [5]
+
+//! [6]
+bool TableModel::setData(const QModelIndex &index, const QVariant &value, int role)
+{
+    if (index.isValid() && role == Qt::EditRole) {
+        const int row = index.row();
+        auto contact = contacts.value(row);
+
+        switch (index.column()) {
+            case 0:
+                contact.name = value.toString();
+                break;
+            case 1:
+                contact.address = value.toString();
+                break;
+            default:
+                return false;
+        }
+        contacts.replace(row, contact);
+        emit dataChanged(index, index, {Qt::DisplayRole, Qt::EditRole});
+
+        return true;
+    }
+
+    return false;
+}
+//! [6]
+
+//! [7]
+Qt::ItemFlags TableModel::flags(const QModelIndex &index) const
+{
+    if (!index.isValid())
+        return Qt::ItemIsEnabled;
+
+    return QAbstractTableModel::flags(index) | Qt::ItemIsEditable;
+}
+//! [7]
+
+//! [8]
+const QList<Contact> &TableModel::getContacts() const
+{
+    return contacts;
+}
+//! [8]

examples/widgets/itemviews/addressbook/tablemodel.h

@@ -0,0 +1,56 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef TABLEMODEL_H
+#define TABLEMODEL_H
+
+#include <QAbstractTableModel>
+#include <QList>
+
+//! [0]
+
+struct Contact
+{
+    QString name;
+    QString address;
+
+    bool operator==(const Contact &other) const
+    {
+        return name == other.name && address == other.address;
+    }
+};
+
+inline QDataStream &operator<<(QDataStream &stream, const Contact &contact)
+{
+    return stream << contact.name << contact.address;
+}
+
+inline QDataStream &operator>>(QDataStream &stream, Contact &contact)
+{
+    return stream >> contact.name >> contact.address;
+}
+
+class TableModel : public QAbstractTableModel
+{
+    Q_OBJECT
+
+public:
+    TableModel(QObject *parent = nullptr);
+    TableModel(const QList<Contact> &contacts, QObject *parent = nullptr);
+
+    int rowCount(const QModelIndex &parent) const override;
+    int columnCount(const QModelIndex &parent) const override;
+    QVariant data(const QModelIndex &index, int role) const override;
+    QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
+    Qt::ItemFlags flags(const QModelIndex &index) const override;
+    bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
+    bool insertRows(int position, int rows, const QModelIndex &index = QModelIndex()) override;
+    bool removeRows(int position, int rows, const QModelIndex &index = QModelIndex()) override;
+    const QList<Contact> &getContacts() const;
+
+private:
+    QList<Contact> contacts;
+};
+//! [0]
+
+#endif // TABLEMODEL_H