variantbardatamapping.h Example File

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  #ifndef VARIANTBARDATAMAPPING_H
  #define VARIANTBARDATAMAPPING_H

  #include <QtCore/QObject>
  #include <QtCore/QStringList>

  class VariantBarDataMapping : public QObject
  {
      Q_OBJECT
      Q_PROPERTY(int rowIndex READ rowIndex WRITE setRowIndex)
      Q_PROPERTY(int columnIndex READ columnIndex WRITE setColumnIndex)
      Q_PROPERTY(int valueIndex READ valueIndex WRITE setValueIndex)
      Q_PROPERTY(QStringList rowCategories READ rowCategories WRITE setRowCategories)
      Q_PROPERTY(QStringList columnCategories READ columnCategories WRITE setColumnCategories)
  public:
      explicit VariantBarDataMapping();
      VariantBarDataMapping(const VariantBarDataMapping &other);
      VariantBarDataMapping(int rowIndex, int columnIndex, int valueIndex,
                             const QStringList &rowCategories,
                             const QStringList &columnCategories);
      virtual ~VariantBarDataMapping();

      VariantBarDataMapping &operator=(const VariantBarDataMapping &other);

      void setRowIndex(int index);
      int rowIndex() const;
      void setColumnIndex(int index);
      int columnIndex() const;
      void setValueIndex(int index);
      int valueIndex() const;

      void setRowCategories(const QStringList &categories);
      const QStringList &rowCategories() const;
      void setColumnCategories(const QStringList &categories);
      const QStringList &columnCategories() const;

      void remap(int rowIndex, int columnIndex, int valueIndex,
                 const QStringList &rowCategories,
                 const QStringList &columnCategories);
  Q_SIGNALS:
      void mappingChanged();

  private:
      // Indexes of the mapped items in the VariantDataItem
      int m_rowIndex;
      int m_columnIndex;
      int m_valueIndex;

      // For row/column items, sort items into these categories. Other categories are ignored.
      QStringList m_rowCategories;
      QStringList m_columnCategories;
  };

  #endif