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#include <QtGui>

#include <QtSql>

#include "tableeditor.h"

//! [0]

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

    : QDialog(parent)

{

    model = new QSqlTableModel(this);

    model->setTable(tableName);

    model->setEditStrategy(QSqlTableModel::OnManualSubmit);

    model->select();

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

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

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

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

    QTableView *view = new QTableView;

    view->setModel(model);

//! [1]

//! [2]

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

    submitButton->setDefault(true);

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

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

    buttonBox = new QDialogButtonBox(Qt::Vertical);

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

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

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

//! [2]

//! [3]

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

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

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

//! [3]

//! [4]

    QHBoxLayout *mainLayout = new QHBoxLayout;

    mainLayout->addWidget(view);

    mainLayout->addWidget(buttonBox);

    setLayout(mainLayout);

    setWindowTitle(tr("Cached Table"));

}

//! [4]

//! [5]

void TableEditor::submit()

{

    model->database().transaction();

    if (model->submitAll()) {

        model->database().commit();

    } else {

        model->database().rollback();

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

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

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

    }

}

//! [5]