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 #include "addressview.h"
 #include "msoutl.h"
 #include <QtGui>
 
 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()
 {
     cache.clear();
 
     emit reset();
 }
 
 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());
 }