addressview.cpp Example File
^{activeqt/qutlook/addressview.cpp}

    /****************************************************************************
    **
    ** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.
    **
    ** This file is part of the documentation of the Qt Toolkit.
    **
    ** This file may be used under the terms of the GNU General Public
    ** License version 2.0 as published by the Free Software Foundation
    ** and appearing in the file LICENSE.GPL included in the packaging of
    ** this file.  Please review the following information to ensure GNU
    ** General Public Licensing requirements will be met:
    ** http://www.trolltech.com/products/qt/opensource.html
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    ** If you are unsure which license is appropriate for your use, please
    ** review the following information:
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    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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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());
    }