addressview.cpp Example File

 /****************************************************************************
 **
 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the examples of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** You may use this file under the terms of the BSD license as follows:
 **
 ** "Redistribution and use in source and binary forms, with or without
 ** modification, are permitted provided that the following conditions are
 ** met:
 **   * Redistributions of source code must retain the above copyright
 **     notice, this list of conditions and the following disclaimer.
 **   * Redistributions in binary form must reproduce the above copyright
 **     notice, this list of conditions and the following disclaimer in
 **     the documentation and/or other materials provided with the
 **     distribution.
 **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
 **     the names of its contributors may be used to endorse or promote
 **     products derived from this software without specific prior written
 **     permission.
 **
 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #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());
 }