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| |
| #include <QtWidgets> |
| #include <QtSql> |
| |
| #include "tableeditor.h" |
| |
| //! [0] |
| TableEditor::TableEditor(const QString &tableName, QWidget *parent) |
| : QWidget(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); |
| view->resizeColumnsToContents(); |
| //! [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, &QPushButton::clicked, this, &TableEditor::submit); |
| connect(revertButton, &QPushButton::clicked, model, &QSqlTableModel::revertAll); |
| connect(quitButton, &QPushButton::clicked, this, &TableEditor::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] |