qt5base-lts/examples/sql/sqlbrowser/browser.h
Michael Winkelmann 3d67793a9e Revamp SQL examples to C++11
Changed signals and slots to new syntax, used nullptr and replaced
foreach with new C++11 range based for loops.
Also fixed a few minor flaws.

Task-number: QTBUG-60633
Change-Id: Ice4030133971912f96752d9d84c638c70fd73e35
Reviewed-by: Jesus Fernandez <Jesus.Fernandez@qt.io>
Reviewed-by: André Hartmann <aha_1980@gmx.de>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
2017-09-14 10:48:48 +00:00

131 lines
4.5 KiB
C++

/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the demonstration applications of the Qt Toolkit.
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** as follows:
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#ifndef BROWSER_H
#define BROWSER_H
#include <QWidget>
#include <QSqlTableModel>
#include "ui_browserwidget.h"
class ConnectionWidget;
QT_FORWARD_DECLARE_CLASS(QTableView)
QT_FORWARD_DECLARE_CLASS(QPushButton)
QT_FORWARD_DECLARE_CLASS(QTextEdit)
QT_FORWARD_DECLARE_CLASS(QSqlError)
class Browser: public QWidget, private Ui::Browser
{
Q_OBJECT
public:
Browser(QWidget *parent = nullptr);
virtual ~Browser();
QSqlError addConnection(const QString &driver, const QString &dbName, const QString &host,
const QString &user, const QString &passwd, int port = -1);
void insertRow();
void deleteRow();
void updateActions();
public slots:
void exec();
void showTable(const QString &table);
void showMetaData(const QString &table);
void addConnection();
void currentChanged() { updateActions(); }
void about();
void on_insertRowAction_triggered()
{ insertRow(); }
void on_deleteRowAction_triggered()
{ deleteRow(); }
void on_fieldStrategyAction_triggered();
void on_rowStrategyAction_triggered();
void on_manualStrategyAction_triggered();
void on_submitAction_triggered();
void on_revertAction_triggered();
void on_selectAction_triggered();
void on_connectionWidget_tableActivated(const QString &table)
{ showTable(table); }
void on_connectionWidget_metaDataRequested(const QString &table)
{ showMetaData(table); }
void on_submitButton_clicked()
{
exec();
sqlEdit->setFocus();
}
void on_clearButton_clicked()
{
sqlEdit->clear();
sqlEdit->setFocus();
}
signals:
void statusMessage(const QString &message);
};
class CustomModel: public QSqlTableModel
{
Q_OBJECT
public:
explicit CustomModel(QObject *parent = nullptr, QSqlDatabase db = QSqlDatabase())
: QSqlTableModel(parent, db) {}
QVariant data(const QModelIndex &idx, int role) const override
{
if (role == Qt::BackgroundRole && isDirty(idx))
return QBrush(QColor(Qt::yellow));
return QSqlTableModel::data(idx, role);
}
};
#endif