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/*
* Model.h - declaration of Model base class
*
* Copyright (c) 2007-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
*
* This file is part of LMMS - https://lmms.io
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#ifndef MODEL_H
#define MODEL_H
#include <QtCore/QString>
#include <QtCore/QObject>
#include "export.h"
class EXPORT Model : public QObject
{
Q_OBJECT
public:
Model( Model * _parent, QString _display_name = QString::null,
bool _default_constructed = false ) :
QObject( _parent ),
m_displayName( _display_name ),
m_defaultConstructed( _default_constructed )
{
#if QT_VERSION < 0x050000
connect( this, SIGNAL( dataChanged() ), this,
SLOT( thisDataChanged() ), Qt::DirectConnection );
#endif
}
virtual ~Model()
{
}
bool isDefaultConstructed()
{
return m_defaultConstructed;
}
Model* parentModel() const
{
return static_cast<Model *>( parent() );
}
virtual QString displayName() const
{
return m_displayName;
}
virtual void setDisplayName( const QString& displayName )
{
m_displayName = displayName;
}
virtual QString fullDisplayName() const;
private:
QString m_displayName;
bool m_defaultConstructed;
signals:
// emitted if actual data of the model (e.g. values) have changed
void dataChanged();
// emitted in case new data was not set as it's been equal to old data
void dataUnchanged();
// emitted if properties of the model (e.g. ranges) have changed
void propertiesChanged();
#if QT_VERSION < 0x050000
// emitted along with dataChanged(), but with this model as an argument
// workaround for when QObject::sender() and Qt5 are unavailable
void dataChanged( Model * );
private slots:
void thisDataChanged()
{
emit dataChanged( this );
}
signals:
#endif
} ;
#endif
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