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());
  }