ControlDisplayProperties.h

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#ifndef ControlDisplayProperties_H
#define ControlDisplayProperties_H

#include <QObject>
#include <QMetaType> // required since we're adding to QVariant
#include <QColor> // This is required since QColor is in a slot

#include "DisplayProperties.h"
#include "XmlStackedHandler.h"

class QAction;
class QXmlStreamWriter;

namespace Isis {
  class FileName;
  class Project;
  class Pvl;
  class PvlObject;
  class XmlStackedHandlerReader;

  class ControlDisplayProperties : public DisplayProperties {
      Q_OBJECT
    public:
        enum Property {
          None             = 0,
          Color            = 1,
          Selected         = 2,
          ShowLabel        = 16,
        };


      ControlDisplayProperties(QString displayName, QObject *parent = NULL);
      ControlDisplayProperties(XmlStackedHandlerReader *xmlReader, QObject *parent = NULL);
      virtual ~ControlDisplayProperties();

//      void fromPvl(const PvlObject &pvl);
//      PvlObject toPvl() const;

      void addSupport(Property prop);
      bool supports(Property prop);

      QVariant getValue(Property prop) const;

      static QColor randomColor();

      void save(QXmlStreamWriter &stream, const Project *project, FileName newProjectRoot) const;

    signals:
      void propertyChanged(ControlDisplayProperties *);
      void supportAdded(Property);

    public slots:
      void setColor(QColor newColor);
      void setShowLabel(bool);
      void setSelected(bool);

    private slots:
      void toggleShowLabel();

    private:
      class XmlHandler : public XmlStackedHandler {
        public:
          XmlHandler(ControlDisplayProperties *displayProperties);

          virtual bool startElement(const QString &namespaceURI, const QString &localName,
                                    const QString &qName, const QXmlAttributes &atts);

          virtual bool characters(const QString &ch);

          virtual bool endElement(const QString &namespaceURI, const QString &localName,
                                  const QString &qName);

        private:
          Q_DISABLE_COPY(XmlHandler);

          ControlDisplayProperties *m_displayProperties;
          QString m_hexData;
      };

    private:
      ControlDisplayProperties(const ControlDisplayProperties &);
      ControlDisplayProperties &operator=(const ControlDisplayProperties &);

      void setValue(Property prop, QVariant value);
      static QList<ControlDisplayProperties *> senderToData(QObject *sender);

      Property m_propertiesUsed;

      QMap<int, QVariant> *m_propertyValues;
  };
}

Q_DECLARE_METATYPE(QList<Isis::ControlDisplayProperties *>);

#endif