File indexing completed on 2024-05-12 15:27:12

 /***************************************************************************
     File                 : SpreadsheetModel.h
     Project              : LabPlot
     Description          : Model for the access to a Spreadsheet
     --------------------------------------------------------------------
     Copyright            : (C) 2007 Tilman Benkert (thzs@gmx.net)
     Copyright            : (C) 2009 Knut Franke (knut.franke@gmx.de)
     Copyright            : (C) 2013-2016 Alexander Semke (alexander.semke@web.de)
 
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *  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 SPREADSHEETMODEL_H
 #define SPREADSHEETMODEL_H
 
 #include <QAbstractItemModel>
 
 class QStringList;
 class Column;
 class Spreadsheet;
 class AbstractAspect;
 class AbstractColumn;
 
 class SpreadsheetModel : public QAbstractItemModel {
     Q_OBJECT
 
 public:
     explicit SpreadsheetModel(Spreadsheet*);
 
     enum class CustomDataRole {
         MaskingRole = Qt::UserRole, //!< bool determining whether the cell is masked
         FormulaRole = Qt::UserRole+1, //!< the cells formula
         CommentRole = Qt::UserRole+2, //!< the column comment (for headerData())
     };
 
     Qt::ItemFlags flags( const QModelIndex & index ) const override;
     QVariant data(const QModelIndex& index, int role) const override;
     QVariant headerData(int section, Qt::Orientation orientation,int role) const override;
     int rowCount(const QModelIndex& parent = QModelIndex()) const override;
     int columnCount(const QModelIndex& parent = QModelIndex()) const override;
     bool setData(const QModelIndex& index, const QVariant& value, int role) override;
     QModelIndex index(int row, int column, const QModelIndex& parent = QModelIndex()) const override;
     QModelIndex parent(const QModelIndex& child) const override;
     bool hasChildren (const QModelIndex& parent = QModelIndex() ) const override;
 
     Column* column(int index);
 
     void activateFormulaMode(bool on);
     bool formulaModeActive() const;
 
     void updateHorizontalHeader();
     void suppressSignals(bool);
 
 private slots:
     void handleAspectAdded(const AbstractAspect*);
     void handleAspectAboutToBeRemoved(const AbstractAspect*);
     void handleAspectRemoved(const AbstractAspect* parent, const AbstractAspect* before, const AbstractAspect* child);
 
     void handleDescriptionChange(const AbstractAspect*);
     void handleModeChange(const AbstractColumn*);
     void handleDigitsChange();
     void handlePlotDesignationChange(const AbstractColumn*);
     void handleDataChange(const AbstractColumn*);
     void handleRowsInserted(const AbstractColumn* col, int before, int count);
     void handleRowsRemoved(const AbstractColumn* col, int first, int count);
 
 protected:
     void updateVerticalHeader();
 
 private:
     Spreadsheet* m_spreadsheet;
     bool m_formula_mode{false};
     QVector<int> m_vertical_header_data;
     QStringList m_horizontal_header_data;
     int m_defaultHeaderHeight;
     bool m_suppressSignals{false};
     int m_rowCount{0};
     int m_columnCount{0};
 };
 
 #endif