addressview.cpp Example File

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

  class AddressBookModel : public QAbstractListModel
  {
  public:
      AddressBookModel(AddressView *parent);
      ~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 *liFirstName = new QLabel("First &Name", this);
      liFirstName->resize(liFirstName->sizeHint());
      mainGrid->addWidget(liFirstName, 0, 0);

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

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

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

      add = new QPushButton("A&dd", this);
      add->resize(add->sizeHint());
      mainGrid->addWidget(add, 0, 4);
      connect(add, SIGNAL(clicked()), this, SLOT(addEntry()));

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

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

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

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

      change = new QPushButton("&Change", this);
      change->resize(change->sizeHint());
      mainGrid->addWidget(change, 1, 4);
      connect(change, SIGNAL(clicked()), this, SLOT(changeEntry()));

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

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

      connect(treeView->selectionModel(), SIGNAL(currentChanged(QModelIndex,QModelIndex)), this, SLOT(itemSelected(QModelIndex)));

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

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

  void AddressView::addEntry()
  {
      if (!iFirstName->text().isEmpty() || !iLastName->text().isEmpty() ||
           !iAddress->text().isEmpty() || !iEMail->text().isEmpty()) {
          model->addItem(iFirstName->text(), iFirstName->text(), iAddress->text(), iEMail->text());
      }

      iFirstName->setText("");
      iLastName->setText("");
      iAddress->setText("");
      iEMail->setText("");
  }

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

      if (current.isValid())
          model->changeItem(current, iFirstName->text(), iLastName->text(), iAddress->text(), iEMail->text());
  }

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

      QAbstractItemModel *model = treeView->model();
      iFirstName->setText(model->data(model->index(index.row(), 0)).toString());
      iLastName->setText(model->data(model->index(index.row(), 1)).toString());
      iAddress->setText(model->data(model->index(index.row(), 2)).toString());
      iEMail->setText(model->data(model->index(index.row(), 3)).toString());
  }