AbstractFilterSelector.h

#ifndef AbstractFilterSelector_H
#define AbstractFilterSelector_H


// parent
#include <QWidget>

// included because they are needed inside a templated method
#include "AbstractFilter.h"


class QComboBox;
class QHBoxLayout;
class QPushButton;
class QReadWriteLock;

namespace Isis {
  class ControlNet;
  class ControlMeasure;
  class ControlPoint;

  class AbstractFilterSelector : public QWidget {
      Q_OBJECT

    signals:
      void close(AbstractFilterSelector *);
      void filterChanged();
      void sizeChanged();


    public:
      AbstractFilterSelector();
      virtual ~AbstractFilterSelector();

      template< typename Evaluatable >
      bool evaluate(const Evaluatable *evaluatable) const {
        return m_filter && m_filter->evaluate(evaluatable);
      }

      bool hasFilter() const;
      bool hasFilter(bool (AbstractFilter:: *)() const) const;

      QString getDescription(QString(AbstractFilter:: *)() const) const;

      AbstractFilterSelector &operator=(const AbstractFilterSelector &other);


    public slots:
      void sendClose();


    protected:
      void nullify();
      virtual void createSelector();
      QComboBox *getSelector() const;
      QHBoxLayout *getMainLayout() const;
      AbstractFilter *getFilter() const;
      void setFilter(AbstractFilter *);


    protected slots:
      virtual void changeFilter(int index) = 0;
      virtual void deleteFilter();


      // disable copying of this class which can't exist anyway ....uhhuh...yeah
    private:
      AbstractFilterSelector(const AbstractFilterSelector &other);


    private:
      QComboBox *m_selector;
      QHBoxLayout *m_mainLayout;
      QPushButton *m_closeButton;
      AbstractFilter *m_filter;
  };
}

#endif