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qdbtcellmatrix.h

#ifndef _QDBTCELLMATRIX_H
#define _QDBTCELLMATRIX_H

#include <qvector.h>

#include <qdbt/qdbtglobal.h>
#include <qdbt/qdbttabcell.h>


// This class represents a 2D array (matrix) where the cells of the table
// are stored. It is implemented as a QVector of cells rows.
// Each cell row is a QVector of cells (one for each column).
// I have chosen this order, because I assume the number of rows changes
// more frequently than the number of columns.

class QdbtPImpl;

class QdbtCellMatrix
{
  typedef QVector<QdbtBaseCell> Row;
  typedef QVector<Row> Matrix;

public:
  QdbtCellMatrix( QdbtPImpl *, int r = 0, int c = 0 );
  ~QdbtCellMatrix();
  void resize( int r, int c );
  void insertCol( int c );
  void insertRow( int r );
  void removeCol( int c );
  void removeRow( int r );
  QdbtBaseCell *at( int r, int c ) const;
  QdbtBaseCell *&operator()( int r, int c );
  void exchangeCols( int col1, int col2 );
  
private:
  Matrix      m;
  QdbtPImpl * _pimpl;
};

#endif

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