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    41 

    42 #include <QtGui>

    43 #include <QtSql>

    44 

    45 #include "tableeditor.h"

    46 

    47 //! [0]

    48 TableEditor::TableEditor(const QString &tableName, QWidget *parent)

    49     : QDialog(parent)

    50 {

    51     model = new QSqlTableModel(this);

    52     model->setTable(tableName);

    53     model->setEditStrategy(QSqlTableModel::OnManualSubmit);

    54     model->select();

    55 

    56     model->setHeaderData(0, Qt::Horizontal, tr("ID"));

    57     model->setHeaderData(1, Qt::Horizontal, tr("First name"));

    58     model->setHeaderData(2, Qt::Horizontal, tr("Last name"));

    59 

    60 //! [0] //! [1]

    61     QTableView *view = new QTableView;

    62     view->setModel(model);

    63 //! [1]

    64 

    65 //! [2]

    66     submitButton = new QPushButton(tr("Submit"));

    67     submitButton->setDefault(true);

    68     revertButton = new QPushButton(tr("&Revert"));

    69     quitButton = new QPushButton(tr("Quit"));

    70 

    71     buttonBox = new QDialogButtonBox(Qt::Vertical);

    72     buttonBox->addButton(submitButton, QDialogButtonBox::ActionRole);

    73     buttonBox->addButton(revertButton, QDialogButtonBox::ActionRole);

    74     buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole);

    75 //! [2]

    76 

    77 //! [3]

    78     connect(submitButton, SIGNAL(clicked()), this, SLOT(submit()));

    79     connect(revertButton, SIGNAL(clicked()), model, SLOT(revertAll()));

    80     connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));

    81 //! [3]

    82 

    83 //! [4]

    84     QHBoxLayout *mainLayout = new QHBoxLayout;

    85     mainLayout->addWidget(view);

    86     mainLayout->addWidget(buttonBox);

    87     setLayout(mainLayout);

    88 

    89     setWindowTitle(tr("Cached Table"));

    90 }

    91 //! [4]

    92 

    93 //! [5]

    94 void TableEditor::submit()

    95 {

    96     model->database().transaction();

    97     if (model->submitAll()) {

    98         model->database().commit();

    99     } else {

   100         model->database().rollback();

   101         QMessageBox::warning(this, tr("Cached Table"),

   102                              tr("The database reported an error: %1")

   103                              .arg(model->lastError().text()));

   104     }

   105 }

   106 //! [5]