addressview.cpp Example File

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 #include "addressview.h"
 #include "msoutl.h"
 #include <QtWidgets>

 class AddressBookModel : public QAbstractListModel
 {
 public:
     explicit AddressBookModel(AddressView *parent);
     virtual ~AddressBookModel();

     int rowCount(const QModelIndex &parent = QModelIndex()) const;
     int columnCount(const QModelIndex &parent) const;
     QVariant headerData(int section, Qt::Orientation orientation, int role) const;
     QVariant data(const QModelIndex &index, int role) const;

     void changeItem(const QModelIndex &index, const QString &firstName, const QString &lastName, const QString &address, const QString &email);
     void addItem(const QString &firstName, const QString &lastName, const QString &address, const QString &email);
     void update();

 private:
     Outlook::Application outlook;
     Outlook::Items * contactItems;

     mutable QHash<QModelIndex, QStringList> cache;
 };

 AddressBookModel::AddressBookModel(AddressView *parent)
 : QAbstractListModel(parent)
 {
     if (!outlook.isNull()) {
         Outlook::NameSpace session(outlook.Session());
         session.Logon();
         Outlook::MAPIFolder *folder = session.GetDefaultFolder(Outlook::olFolderContacts);
         contactItems = new Outlook::Items(folder->Items());
         connect(contactItems, SIGNAL(ItemAdd(IDispatch*)), parent, SLOT(updateOutlook()));
         connect(contactItems, SIGNAL(ItemChange(IDispatch*)), parent, SLOT(updateOutlook()));
         connect(contactItems, SIGNAL(ItemRemove()), parent, SLOT(updateOutlook()));

         delete folder;
     }
 }

 AddressBookModel::~AddressBookModel()
 {
     delete contactItems;

     if (!outlook.isNull())
         Outlook::NameSpace(outlook.Session()).Logoff();
 }

 int AddressBookModel::rowCount(const QModelIndex &) const
 {
     return contactItems ? contactItems->Count() : 0;
 }

 int AddressBookModel::columnCount(const QModelIndex & /*parent*/) const
 {
     return 4;
 }

 QVariant AddressBookModel::headerData(int section, Qt::Orientation /*orientation*/, int role) const
 {
     if (role != Qt::DisplayRole)
         return QVariant();

     switch (section) {
     case 0:
         return tr("First Name");
     case 1:
         return tr("Last Name");
     case 2:
         return tr("Address");
     case 3:
         return tr("Email");
     default:
         break;
     }

     return QVariant();
 }

 QVariant AddressBookModel::data(const QModelIndex &index, int role) const
 {
     if (!index.isValid() || role != Qt::DisplayRole)
         return QVariant();

     QStringList data;
     if (cache.contains(index)) {
         data = cache.value(index);
     } else {
         Outlook::ContactItem contact(contactItems->Item(index.row() + 1));
         data << contact.FirstName() << contact.LastName() << contact.HomeAddress() << contact.Email1Address();
         cache.insert(index, data);
     }

     if (index.column() < data.count())
         return data.at(index.column());

     return QVariant();
 }

 void AddressBookModel::changeItem(const QModelIndex &index, const QString &firstName, const QString &lastName, const QString &address, const QString &email)
 {
     Outlook::ContactItem item(contactItems->Item(index.row() + 1));

     item.SetFirstName(firstName);
     item.SetLastName(lastName);
     item.SetHomeAddress(address);
     item.SetEmail1Address(email);

     item.Save();

     cache.take(index);
 }

 void AddressBookModel::addItem(const QString &firstName, const QString &lastName, const QString &address, const QString &email)
 {
     Outlook::ContactItem item(outlook.CreateItem(Outlook::olContactItem));
     if (!item.isNull()) {
         item.SetFirstName(firstName);
         item.SetLastName(lastName);
         item.SetHomeAddress(address);
         item.SetEmail1Address(email);

         item.Save();
     }
 }

 void AddressBookModel::update()
 {
     beginResetModel();
     cache.clear();
     endResetModel();
 }

 AddressView::AddressView(QWidget *parent)
 : QWidget(parent)
 {
     QGridLayout *mainGrid = new QGridLayout(this);

     QLabel *firstNameLabel = new QLabel(tr("First &Name"), this);
     firstNameLabel->resize(firstNameLabel->sizeHint());
     mainGrid->addWidget(firstNameLabel, 0, 0);

     QLabel *lastNameLabel = new QLabel(tr("&Last Name"), this);
     lastNameLabel->resize(lastNameLabel->sizeHint());
     mainGrid->addWidget(lastNameLabel, 0, 1);

     QLabel *addressLabel = new QLabel(tr("Add&ress"), this);
     addressLabel->resize(addressLabel->sizeHint());
     mainGrid->addWidget(addressLabel, 0, 2);

     QLabel *emailLabel = new QLabel(tr("&E-Mail"), this);
     emailLabel->resize(emailLabel->sizeHint());
     mainGrid->addWidget(emailLabel, 0, 3);

     m_addButton = new QPushButton(tr("A&dd"), this);
     m_addButton->resize(m_addButton->sizeHint());
     mainGrid->addWidget(m_addButton, 0, 4);
     connect(m_addButton, &QPushButton::clicked, this, &AddressView::addEntry);

     m_firstName = new QLineEdit(this);
     m_firstName->resize(m_firstName->sizeHint());
     mainGrid->addWidget(m_firstName, 1, 0);
     firstNameLabel->setBuddy(m_firstName);

     m_lastName = new QLineEdit(this);
     m_lastName->resize(m_lastName->sizeHint());
     mainGrid->addWidget(m_lastName, 1, 1);
     lastNameLabel->setBuddy(m_lastName);

     m_address = new QLineEdit(this);
     m_address->resize(m_address->sizeHint());
     mainGrid->addWidget(m_address, 1, 2);
     addressLabel->setBuddy(m_address);

     m_email = new QLineEdit(this);
     m_email->resize(m_email->sizeHint());
     mainGrid->addWidget(m_email, 1, 3);
     emailLabel->setBuddy(m_email);

     m_changeButton = new QPushButton(tr("&Change"), this);
     m_changeButton->resize(m_changeButton->sizeHint());
     mainGrid->addWidget(m_changeButton, 1, 4);
     connect(m_changeButton, &QPushButton::clicked, this, &AddressView::changeEntry);

     m_treeView = new QTreeView(this);
     m_treeView->setSelectionMode(QTreeView::SingleSelection);
     m_treeView->setRootIsDecorated(false);

     model = new AddressBookModel(this);
     m_treeView->setModel(model);

     connect(m_treeView->selectionModel(), &QItemSelectionModel::currentChanged, this, &AddressView::itemSelected);

     mainGrid->addWidget(m_treeView, 2, 0, 1, 5);
 }

 void AddressView::updateOutlook()
 {
     model->update();
 }

 void AddressView::addEntry()
 {
     if (!m_firstName->text().isEmpty() || !m_lastName->text().isEmpty() ||
          !m_address->text().isEmpty() || !m_email->text().isEmpty()) {
         model->addItem(m_firstName->text(), m_lastName->text(), m_address->text(), m_email->text());
     }

     m_firstName->clear();
     m_lastName->clear();
     m_address->clear();
     m_email->clear();
 }

 void AddressView::changeEntry()
 {
     QModelIndex current = m_treeView->currentIndex();

     if (current.isValid())
         model->changeItem(current, m_firstName->text(), m_lastName->text(), m_address->text(), m_email->text());
 }

 void AddressView::itemSelected(const QModelIndex &index)
 {
     if (!index.isValid())
         return;

     QAbstractItemModel *model = m_treeView->model();
     m_firstName->setText(model->data(model->index(index.row(), 0)).toString());
     m_lastName->setText(model->data(model->index(index.row(), 1)).toString());
     m_address->setText(model->data(model->index(index.row(), 2)).toString());
     m_email->setText(model->data(model->index(index.row(), 3)).toString());
 }