TreeViewHeader.h

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#ifndef TreeViewHeader_H
#define TreeViewHeader_H

#include <QWidget>

class QMouseEvent;
class QPainter;
class QPaintEvent;
class QSize;
class QString;

namespace Isis {
  namespace CnetViz {
    class TreeViewContent;

    class TreeViewHeader : public QWidget {

        Q_OBJECT

      public:
        explicit TreeViewHeader(TreeViewContent *someContent,
            QWidget *parent);
        TreeViewHeader(const TreeViewHeader &other);
        virtual ~TreeViewHeader();
        QSize minimumSizeHint() const;
        QString getText();
        void setText(QString text);


        QSize sizeHint() const {
          return minimumSizeHint();
        }

        TreeViewHeader &operator=(const TreeViewHeader &other);


      public slots:
        void setActive(bool);
        void handleFilterCountsChanged(int visibleTopLevelItemCount,
            int topLevelItemCount);


      signals:
        void activated();


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


      private: // methods
        void nullify();
        void paintHeader(QPainter *painter, int rowheight);
        void paintProgress(QPainter *painter, const QRect &rect, int min,
            int max, int value);


      private slots:
        void updateFilterProgress(int newProgress);
        void updateFilterProgressRange(int min, int max);
        void updateRebuildProgress(int newProgress);
        void updateRebuildProgressRange(int min, int max);


      private: // data
        TreeViewContent *m_content;
        QString *m_headerText;
        int m_filterProgress;
        int m_filterProgressMin;
        int m_filterProgressMax;
        int m_rebuildProgress;
        int m_rebuildProgressMin;
        int m_rebuildProgressMax;
        bool m_active;
        int m_visibleCount;
        int m_totalCount;
    };
  }
}


#endif