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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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     7 ** This file is part of the examples of the Qt Toolkit.

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    16 ** GNU Lesser General Public License Usage

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    38 ** $QT_END_LICENSE$

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    40 ****************************************************************************/

    41 

    42 #include <QtGui>

    43 #include "addresswidget.h"

    44 #include "adddialog.h"

    45 

    46 //! [0]

    47 AddressWidget::AddressWidget(QWidget *parent)

    48     : QTabWidget(parent)

    49 {

    50     table = new TableModel(this);

    51     newAddressTab = new NewAddressTab(this);

    52     connect(newAddressTab, SIGNAL(sendDetails(QString, QString)),

    53         this, SLOT(addEntry(QString, QString))); 

    54 

    55     addTab(newAddressTab, "Address Book");    

    56 

    57     setupTabs();

    58 }

    59 //! [0]

    60 

    61 //! [2]

    62 void AddressWidget::addEntry()

    63 {    

    64     AddDialog aDialog;

    65 

    66     if (aDialog.exec()) {

    67         QString name = aDialog.nameText->text();

    68         QString address = aDialog.addressText->toPlainText();

    69         

    70         addEntry(name, address);

    71     }

    72 }

    73 //! [2]

    74 

    75 //! [3]

    76 void AddressWidget::addEntry(QString name, QString address)

    77 {    

    78     QList< QPair<QString, QString> >list = table->getList();

    79     QPair<QString, QString> pair(name, address);

    80 

    81     if (!list.contains(pair)) {

    82         table->insertRows(0, 1, QModelIndex());

    83 

    84         QModelIndex index = table->index(0, 0, QModelIndex());

    85         table->setData(index, name, Qt::EditRole);

    86         index = table->index(0, 1, QModelIndex());

    87         table->setData(index, address, Qt::EditRole);

    88         removeTab(indexOf(newAddressTab));

    89     } else {

    90         QMessageBox::information(this, tr("Duplicate Name"),

    91             tr("The name \"%1\" already exists.").arg(name));

    92     }

    93 }

    94 //! [3]

    95 

    96 //! [4a]

    97 void AddressWidget::editEntry()

    98 {

    99     QTableView *temp = static_cast<QTableView*>(currentWidget());

   100     QSortFilterProxyModel *proxy = static_cast<QSortFilterProxyModel*>(temp->model());

   101     QItemSelectionModel *selectionModel = temp->selectionModel();

   102 

   103     QModelIndexList indexes = selectionModel->selectedRows();

   104     QModelIndex index, i;        

   105     QString name;

   106     QString address;

   107     int row = -1;

   108 

   109     foreach (index, indexes) {

   110         row = proxy->mapToSource(index).row();

   111         i = table->index(row, 0, QModelIndex());

   112         QVariant varName = table->data(i, Qt::DisplayRole);

   113         name = varName.toString();

   114     

   115         i = table->index(row, 1, QModelIndex());

   116         QVariant varAddr = table->data(i, Qt::DisplayRole);

   117         address = varAddr.toString();

   118     }

   119 //! [4a]

   120     

   121 //! [4b]    

   122     AddDialog aDialog;

   123     aDialog.setWindowTitle(tr("Edit a Contact"));

   124 

   125     aDialog.nameText->setReadOnly(true);

   126     aDialog.nameText->setText(name);

   127     aDialog.addressText->setText(address);

   128 

   129     if (aDialog.exec()) {

   130         QString newAddress = aDialog.addressText->toPlainText();

   131         if (newAddress != address) {

   132             i = table->index(row, 1, QModelIndex());

   133             table->setData(i, newAddress, Qt::EditRole);

   134         }

   135     }

   136 }

   137 //! [4b]

   138 

   139 //! [5]

   140 void AddressWidget::removeEntry()

   141 {

   142     QTableView *temp = static_cast<QTableView*>(currentWidget());

   143     QSortFilterProxyModel *proxy = static_cast<QSortFilterProxyModel*>(temp->model());

   144     QItemSelectionModel *selectionModel = temp->selectionModel();

   145     

   146     QModelIndexList indexes = selectionModel->selectedRows();

   147     QModelIndex index;

   148 

   149     foreach (index, indexes) {

   150         int row = proxy->mapToSource(index).row();

   151         table->removeRows(row, 1, QModelIndex());

   152     }

   153 

   154     if (table->rowCount(QModelIndex()) == 0) {

   155         insertTab(0, newAddressTab, "Address Book");

   156     }

   157 }

   158 //! [5]

   159 

   160 //! [1]

   161 void AddressWidget::setupTabs()

   162 {

   163     QStringList groups;

   164     groups << "ABC" << "DEF" << "GHI" << "JKL" << "MNO" << "PQR" << "STU" << "VW" << "XYZ";

   165 

   166     for (int i = 0; i < groups.size(); ++i) {

   167         QString str = groups.at(i);

   168         

   169         proxyModel = new QSortFilterProxyModel(this);

   170         proxyModel->setSourceModel(table);

   171         proxyModel->setDynamicSortFilter(true);

   172     

   173         QTableView *tableView = new QTableView;

   174         tableView->setModel(proxyModel);

   175         tableView->setSortingEnabled(true);

   176         tableView->setSelectionBehavior(QAbstractItemView::SelectRows);

   177         tableView->horizontalHeader()->setStretchLastSection(true);

   178         tableView->verticalHeader()->hide();

   179         tableView->setEditTriggers(QAbstractItemView::NoEditTriggers);

   180         tableView->setSelectionMode(QAbstractItemView::SingleSelection);

   181 

   182         QString newStr = QString("^[%1].*").arg(str);

   183 

   184         proxyModel->setFilterRegExp(QRegExp(newStr, Qt::CaseInsensitive));

   185         proxyModel->setFilterKeyColumn(0);

   186         proxyModel->sort(0, Qt::AscendingOrder);

   187     

   188         connect(tableView->selectionModel(),

   189             SIGNAL(selectionChanged(const QItemSelection &, const QItemSelection &)),

   190             this, SIGNAL(selectionChanged(const QItemSelection &)));

   191 

   192         addTab(tableView, str);

   193     }

   194 }

   195 //! [1]

   196 

   197 //! [7]

   198 void AddressWidget::readFromFile(QString fileName)

   199 {

   200     QFile file(fileName);

   201 

   202     if (!file.open(QIODevice::ReadOnly)) {

   203         QMessageBox::information(this, tr("Unable to open file"),

   204             file.errorString());

   205         return;

   206     }

   207 

   208     QList< QPair<QString, QString> > pairs = table->getList();    

   209     QDataStream in(&file);

   210     in >> pairs;

   211 

   212     if (pairs.isEmpty()) {

   213         QMessageBox::information(this, tr("No contacts in file"),

   214             tr("The file you are attempting to open contains no contacts."));  

   215     } else {

   216         for (int i=0; i<pairs.size(); ++i) {

   217             QPair<QString, QString> p = pairs.at(i);

   218             addEntry(p.first, p.second);

   219         }

   220     }

   221 }

   222 //! [7]

   223 

   224 //! [6]

   225 void AddressWidget::writeToFile(QString fileName)

   226 {

   227     QFile file(fileName);

   228 

   229     if (!file.open(QIODevice::WriteOnly)) {

   230         QMessageBox::information(this, tr("Unable to open file"), file.errorString());

   231         return;

   232     }

   233 

   234     QList< QPair<QString, QString> > pairs = table->getList();    

   235     QDataStream out(&file);

   236     out << pairs;

   237 }

   238 //! [6]