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//! [0]

#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;

};

//! [0] //! [1]

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;

    }

}

//! [1] //! [2]

AddressBookModel::~AddressBookModel()

{

    delete contactItems;

    if (!outlook.isNull())

        Outlook::NameSpace(outlook.Session()).Logoff();

}

//! [2] //! [3]

int AddressBookModel::rowCount(const QModelIndex &) const

{

    return contactItems ? contactItems->Count() : 0;

}

int AddressBookModel::columnCount(const QModelIndex &parent) const

{

    return 4;

}

//! [3] //! [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();

}

//! [4] //! [5]

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();

}

//! [5] //! [6]

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);

}

//! [6] //! [7]

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();

    }

}

//! [7] //! [8]

void AddressBookModel::update()

{

    cache.clear();

    emit reset();

}

//! [8] //! [9]

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());

}

//! [9] //! [10]

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());

}

//! [10]