qtbase-opensource-src/examples/sql/sqlbrowser/browser.h

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.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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