TableViewHeader.h

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#ifndef TableViewHeader_H
#define TableViewHeader_H

#include <QWidget>

class QMouseEvent;
class QPainter;
class QPaintEvent;
class QSize;
class QStringList;
template<typename T> class QList;


namespace Isis {
  namespace CnetViz {
    class AbstractTableModel;
    class TableColumnList;

    class TableViewHeader : public QWidget {

        Q_OBJECT

      public:
        explicit TableViewHeader(AbstractTableModel *someModel);
        virtual ~TableViewHeader();
        virtual void setColumns(TableColumnList *);
        QSize minimumSizeHint() const;
        QSize sizeHint() const;

        void setModel(AbstractTableModel *someModel);


      signals:
        void columnResized(bool lastColumn);
        void requestedGlobalSelection(bool select);
        void requestedColumnSelection(int columnNum, bool select);
        void sortingEnabled(bool);


      public slots:
        void handleFilterCountsChanged(int visibleTopLevelItemCount,
            int topLevelItemCount);
        void updateHeaderOffset(int);
        void updateFilterProgress(int newProgress);
        void updateFilterProgressRange(int min, int max);
        void updateRebuildProgress(int newProgress);
        void updateRebuildProgressRange(int min, int max);
        void updateSortProgress(int newProgress);
        void updateSortProgressRange(int min, int max);


      protected:
        void mouseMoveEvent(QMouseEvent *event);
        void mousePressEvent(QMouseEvent *event);
        void mouseReleaseEvent(QMouseEvent *event);
        void paintEvent(QPaintEvent *event);


      private: // methods
        TableViewHeader(const TableViewHeader &other);
        TableViewHeader &operator=(TableViewHeader other);
        void nullify();
        QRect getColumnRect(int column) const;
        int getMousedColumn(QPoint mousePos);
        int getMousedColumnEdge(QPoint mousePos);
        bool mouseAtResizableColumnEdge(QPoint mousePos);
        void paintHeader(QPainter *painter, int rowheight);
        void paintProgress(QPainter *painter, const QRect &rect, int min,
            int max, int value, bool over100);
        QRect getSortingPriorityRect(int visColIndex);
        QRect getSortingArrowRect(int visColIndex);


      private: // data
        TableColumnList *m_columns;
        int m_horizontalOffset;
        int m_filterProgress;
        int m_filterProgressMin;
        int m_filterProgressMax;
        int m_rebuildProgress;
        int m_rebuildProgressMin;
        int m_rebuildProgressMax;
        int m_sortProgress;
        int m_sortProgressMin;
        int m_sortProgressMax;

        int m_visibleCount;
        int m_totalCount;

        int m_clickedColumnEdge;
        int m_clickedColumn;

        static int const SORT_ARROW_MARGIN = 10;
        int ARROW_HEIGHT;
        int ARROW_WIDTH;

        AbstractTableModel *m_model;
    };
  }
}


#endif