tableeditor.cpp Example File
sql/cachedtable/tableeditor.cpp
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** This file is part of the documentation of the Qt Toolkit.
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#include <QtGui>
#include <QtSql>
#include "tableeditor.h"
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"));
QTableView *view = new QTableView;
view->setModel(model);
submitButton = new QPushButton(tr("Submit"));
submitButton->setDefault(true);
revertButton = new QPushButton(tr("&Revert"));
quitButton = new QPushButton(tr("Quit"));
connect(submitButton, SIGNAL(clicked()), this, SLOT(submit()));
connect(revertButton, SIGNAL(clicked()), model, SLOT(revertAll()));
connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));
QVBoxLayout *buttonLayout = new QVBoxLayout;
buttonLayout->addWidget(submitButton);
buttonLayout->addWidget(revertButton);
buttonLayout->addWidget(quitButton);
buttonLayout->addStretch(1);
QHBoxLayout *mainLayout = new QHBoxLayout;
mainLayout->addWidget(view);
mainLayout->addLayout(buttonLayout);
setLayout(mainLayout);
setWindowTitle(tr("Cached Table"));
}
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()));
}
}