/***************************************************************************
    File                 : Spreadsheet.h
    Project              : LabPlot
    Description          : Aspect providing a spreadsheet table with column logic
    --------------------------------------------------------------------
    Copyright            : (C) 2010-2015 Alexander Semke(alexander.semke@web.de)
    Copyright            : (C) 2006-2008 Tilman Benkert (thzs@gmx.net)

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

/***************************************************************************
 *                                                                         *
 *  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 SPREADSHEET_H
#define SPREADSHEET_H

#include "backend/datasources/AbstractDataSource.h"
#include "backend/core/column/Column.h"
#include <QList>

class Spreadsheet : public AbstractDataSource {
	Q_OBJECT

	public:
		Spreadsheet(AbstractScriptingEngine* engine, const QString& name, bool loading = false);

        virtual QIcon icon() const;
		virtual QMenu* createContextMenu();
		virtual QWidget* view() const;

		int columnCount() const;
		int columnCount(AbstractColumn::PlotDesignation) const;
		Column* column(int index) const;
		Column* column(const QString&) const;
		int rowCount() const;

		void removeRows(int first, int count);
		void insertRows(int before, int count);
		void removeColumns(int first, int count);
		void insertColumns(int before, int count);

		int colX(int col);
		int colY(int col);
		QString text(int row, int col) const;

		void copy(Spreadsheet* other);

		virtual void save(QXmlStreamWriter*) const;
		virtual bool load(XmlStreamReader*);

		void setColumnSelectedInView(int index, bool selected);

		// used from model to inform dock
		void emitRowCountChanged() { emit rowCountChanged(rowCount()); }
		void emitColumnCountChanged() { emit columnCountChanged(columnCount()); }

	public slots:
		void appendRows(int count);
		void appendRow();
		void appendColumns(int count);
		void appendColumn();
		void prependColumns(int count);

		void setColumnCount(int new_size);
		void setRowCount(int new_size);

		void clear();
		void clearMasks();

		void moveColumn(int from, int to);
		void sortColumns(Column* leading, QList<Column*> cols, bool ascending);

	private:
		void init();

	private slots:
		virtual void childSelected(const AbstractAspect*);
		virtual void childDeselected(const AbstractAspect*);

	signals:
		void requestProjectContextMenu(QMenu*);
		void columnSelected(int);
		void columnDeselected(int);

		// for spreadsheet dock
		void rowCountChanged(int);
		void columnCountChanged(int);
};

#endif
