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50
51#include <QtWidgets>
52#include <QtSql>
53
54#include "tableeditor.h"
55
56//! [0]
57TableEditor::TableEditor(const QString &tableName, QWidget *parent)
58 : QWidget(parent)
59{
60 model = new QSqlTableModel(this);
61 model->setTable(tableName);
62 model->setEditStrategy(QSqlTableModel::OnManualSubmit);
63 model->select();
64
65 model->setHeaderData(0, Qt::Horizontal, tr("ID"));
66 model->setHeaderData(1, Qt::Horizontal, tr("First name"));
67 model->setHeaderData(2, Qt::Horizontal, tr("Last name"));
68
69//! [0] //! [1]
70 QTableView *view = new QTableView;
71 view->setModel(model);
72 view->resizeColumnsToContents();
73//! [1]
74
75//! [2]
76 submitButton = new QPushButton(tr("Submit"));
77 submitButton->setDefault(true);
78 revertButton = new QPushButton(tr("&Revert"));
79 quitButton = new QPushButton(tr("Quit"));
80
81 buttonBox = new QDialogButtonBox(Qt::Vertical);
82 buttonBox->addButton(submitButton, QDialogButtonBox::ActionRole);
83 buttonBox->addButton(revertButton, QDialogButtonBox::ActionRole);
84 buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole);
85//! [2]
86
87//! [3]
88 connect(submitButton, &QPushButton::clicked, this, &TableEditor::submit);
89 connect(revertButton, &QPushButton::clicked, model, &QSqlTableModel::revertAll);
90 connect(quitButton, &QPushButton::clicked, this, &TableEditor::close);
91//! [3]
92
93//! [4]
94 QHBoxLayout *mainLayout = new QHBoxLayout;
95 mainLayout->addWidget(view);
96 mainLayout->addWidget(buttonBox);
97 setLayout(mainLayout);
98
99 setWindowTitle(tr("Cached Table"));
100}
101//! [4]
102
103//! [5]
104void TableEditor::submit()
105{
106 model->database().transaction();
107 if (model->submitAll()) {
108 model->database().commit();
109 } else {
110 model->database().rollback();
111 QMessageBox::warning(this, tr("Cached Table"),
112 tr("The database reported an error: %1")
113 .arg(model->lastError().text()));
114 }
115}
116//! [5]
117