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

    41 

    42 #include <QtGui>

    43 

    44 #include "window.h"

    45 

    46 //! [Set up widgets]

    47 Window::Window(QWidget *parent)

    48     : QWidget(parent)

    49 {

    50     setupModel();

    51 

    52     nameLabel = new QLabel(tr("Na&me:"));

    53     nameEdit = new QLineEdit();

    54     addressLabel = new QLabel(tr("&Address:"));

    55     addressEdit = new QTextEdit();

    56     ageLabel = new QLabel(tr("A&ge (in years):"));

    57     ageSpinBox = new QSpinBox();

    58     nextButton = new QPushButton(tr("&Next"));

    59     previousButton = new QPushButton(tr("&Previous"));

    60 

    61     nameLabel->setBuddy(nameEdit);

    62     addressLabel->setBuddy(addressEdit);

    63     ageLabel->setBuddy(ageSpinBox);

    64 //! [Set up widgets]

    65 

    66 //! [Set up the mapper]

    67     mapper = new QDataWidgetMapper(this);

    68     mapper->setModel(model);

    69     mapper->addMapping(nameEdit, 0);

    70     mapper->addMapping(addressEdit, 1);

    71     mapper->addMapping(ageSpinBox, 2);

    72 

    73     connect(previousButton, SIGNAL(clicked()),

    74             mapper, SLOT(toPrevious()));

    75     connect(nextButton, SIGNAL(clicked()),

    76             mapper, SLOT(toNext()));

    77     connect(mapper, SIGNAL(currentIndexChanged(int)),

    78             this, SLOT(updateButtons(int)));

    79 //! [Set up the mapper]

    80 

    81 //! [Set up the layout]

    82     QGridLayout *layout = new QGridLayout();

    83     layout->addWidget(nameLabel, 0, 0, 1, 1);

    84     layout->addWidget(nameEdit, 0, 1, 1, 1);

    85     layout->addWidget(previousButton, 0, 2, 1, 1);

    86     layout->addWidget(addressLabel, 1, 0, 1, 1);

    87     layout->addWidget(addressEdit, 1, 1, 2, 1);

    88     layout->addWidget(nextButton, 1, 2, 1, 1);

    89     layout->addWidget(ageLabel, 3, 0, 1, 1);

    90     layout->addWidget(ageSpinBox, 3, 1, 1, 1);

    91     setLayout(layout);

    92 

    93     setWindowTitle(tr("Simple Widget Mapper"));

    94     mapper->toFirst();

    95 }

    96 //! [Set up the layout]

    97 

    98 //! [Set up the model]

    99 void Window::setupModel()

   100 {

   101     model = new QStandardItemModel(5, 3, this);

   102 

   103     QStringList names;

   104     names << "Alice" << "Bob" << "Carol" << "Donald" << "Emma";

   105 

   106     QStringList addresses;

   107     addresses << "<qt>123 Main Street<br/>Market Town</qt>"

   108               << "<qt>PO Box 32<br/>Mail Handling Service"

   109                  "<br/>Service City</qt>"

   110               << "<qt>The Lighthouse<br/>Remote Island</qt>"

   111               << "<qt>47338 Park Avenue<br/>Big City</qt>"

   112               << "<qt>Research Station<br/>Base Camp<br/>Big Mountain</qt>";

   113 

   114     QStringList ages;

   115     ages << "20" << "31" << "32" << "19" << "26";

   116     

   117     for (int row = 0; row < 5; ++row) {

   118       QStandardItem *item = new QStandardItem(names[row]);

   119       model->setItem(row, 0, item);

   120       item = new QStandardItem(addresses[row]);

   121       model->setItem(row, 1, item);

   122       item = new QStandardItem(ages[row]);

   123       model->setItem(row, 2, item);

   124     }

   125 }

   126 //! [Set up the model]

   127 

   128 //! [Slot for updating the buttons]

   129 void Window::updateButtons(int row)

   130 {

   131     previousButton->setEnabled(row > 0);

   132     nextButton->setEnabled(row < model->rowCount() - 1);

   133 }

   134 //! [Slot for updating the buttons]