~ubuntu-branches/ubuntu/oneiric/kalgebra/oneiric-proposed

/*************************************************************************************

 *  Copyright (C) 2007 by Aleix Pol <aleixpol@kde.org>                               *

 *                                                                                   *

 *  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; if not, write to the Free Software                      *

 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA   *

 *************************************************************************************/

#ifndef VARIABLESMODEL_H

#define VARIABLESMODEL_H

#include <QAbstractTableModel>

#include "analitzaguiexport.h"

namespace Analitza

{

class Variables;

class Expression;

}

/** Variables model is a model class that has a relation of all operators string with their VariableType. */

class ANALITZAGUI_EXPORT VariablesModel : public QAbstractTableModel

{

	Q_OBJECT

	public:

		/** Constructor. Creates a new Variable Model. */

		explicit VariablesModel(Analitza::Variables* v, QObject *parent=0);

		virtual QFlags< Qt::ItemFlag > flags(const QModelIndex& index) const;

		bool setData(const QModelIndex& index, const QVariant& value, int role=Qt::EditRole);

		QVariant data( const QModelIndex &index, int role=Qt::DisplayRole) const;

		QVariant headerData(int section, Qt::Orientation orientation, int role=Qt::DisplayRole) const;

		int rowCount(const QModelIndex &parent) const;

		int columnCount(const QModelIndex &) const { return 2; }

		void insertVariable(const QString& name, const Analitza::Expression& value);

		void setEditable(bool ed) { m_editable=ed; }

		Analitza::Variables* variables() const { return m_vars; }

	public slots:

		/** Updates the variables information */

		void updateInformation();

	private:

		Analitza::Variables *m_vars;

		bool m_editable;

};

#endif