tableeditor.cpp Example File

cachedtable/tableeditor.cpp
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#include <QtWidgets> #include <QtSql> #include "tableeditor.h" 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")); QTableView *view = new QTableView; view->setModel(model); view->resizeColumnsToContents(); 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); connect(submitButton, &QPushButton::clicked, this, &TableEditor::submit); connect(revertButton, &QPushButton::clicked, model, &QSqlTableModel::revertAll); connect(quitButton, &QPushButton::clicked, this, &TableEditor::close); QHBoxLayout *mainLayout = new QHBoxLayout; mainLayout->addWidget(view); mainLayout->addWidget(buttonBox); 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())); } }