CurveNameList.h

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/******************************************************************************************************
 * (C) 2014 markummitchell@github.com. This file is part of Engauge Digitizer, which is released      *
 * under GNU General Public License version 2 (GPLv2) or (at your option) any later version. See file *
 * LICENSE or go to gnu.org/licenses for details. Distribution requires prior written permission.     *
 ******************************************************************************************************/
 
#ifndef CURVE_NAME_LIST_H
#define CURVE_NAME_LIST_H
 
#include <QHash>
#include <QStandardItemModel>
#include <QString>
#include <QVector>
 
// Data associated with the current curve names in the QStandardItemModel
typedef QHash<QString, QString> CurrentCurveToOriginalCurve;
typedef QHash<QString, unsigned int> OriginalCurveToPointCount;
 
// There is only one column, which is visible
enum CurveNameListColumns {
  CURVE_NAME_LIST_COLUMN_CURRENT,
  NUMBER_CURVE_NAME_LIST_COLUMNS
};
 
class CurveNameList : public QStandardItemModel
{
public:
  CurveNameList();
 
  virtual int columnCount (const QModelIndex &parent) const;
 
  bool containsCurveNameCurrent (const QString &curveName) const;
 
  QString currentCurvesAsString () const;
 
  QString currentCurveToOriginalCurve (const QString &currentCurve) const;
 
  unsigned int currentCurveToPointCount (const QString &currentCurve) const;
 
  virtual Qt::ItemFlags flags (const QModelIndex &index) const;
 
  void insertRow (int row,
                  const QString &curveCurrent,
                  const QString &curveOriginal,
                  unsigned int pointCount);
 
  virtual QStandardItem *item(int row, int column = 0) const;
 
  unsigned int numPointsForSelectedCurves (const QList<unsigned int> &rowsSelected) const;
 
  virtual bool removeRows (int row, int count, const QModelIndex &parent);
 
  void reset ();
 
  virtual int rowCount (const QModelIndex & parent = QModelIndex()) const;
 
  virtual bool setData (const QModelIndex &index,
                        const QVariant &value,
                        int role);
 
  virtual void setItem(int row, int column, QStandardItem *item);
 
  virtual Qt::DropActions supportedDropActions () const;
 
private:
 
  bool curveNameIsAcceptable (const QString &curveNameNew,
                              int row) const;
 
  // Data from original curves
  CurrentCurveToOriginalCurve m_currentCurveToOriginalCurve;
  OriginalCurveToPointCount m_originalCurveToPointCount;
};
 
#endif // CURVE_NAME_LIST_H