FeatureNomenclature.h

#ifndef FeatureNomenclature_h
#define FeatureNomenclature_h

#include <QObject>

// This is needed for the QVariant macro
#include <QMetaType>

class QDomDocument;
class QDomElement;
class QNetworkAccessManager;
class QNetworkReply;
class QNetworkRequest;
class QString;
class QUrl;
class QWidget;

template <typename T> class QList;

namespace Isis {
  class Distance;
  class iTime;
  class Latitude;
  class Longitude;

  class FeatureNomenclature : public QObject {
      Q_OBJECT

    public:

      enum IAUStatus {
        NoStatus, 
        Approved,
        Dropped,
        Unapproved };
      
      FeatureNomenclature();
      FeatureNomenclature(const FeatureNomenclature &other);
      ~FeatureNomenclature();
      
      void queryFeatures(QString target,
                         Latitude startLat, Longitude startLon,
                         Latitude endLat, Longitude endLon);

      class Feature;
      QList<Feature> features() const;
      bool hasResult() const;

      void swap(FeatureNomenclature &other);
      FeatureNomenclature &operator=(const FeatureNomenclature &other);

      static bool featureDiameterGreaterThan(
          const FeatureNomenclature::Feature &lhs,
          const FeatureNomenclature::Feature &rhs);

      class Feature {
      public:          
          Feature();
          Feature(QDomElement searchResultFeature, IAUStatus status);
          Feature(const Feature &other);
          ~Feature();

          QWidget *toWidget() const;

          QString id() const;
          QString name() const;
          QString cleanName() const;
          QString controlNet() const;
          QString displayName() const;
          QString target() const;
          QString system() const;
          Distance diameter() const;
          QString diameterString() const;
          Latitude centerLatitude() const;
          QString centerLatitudeString() const;
          Longitude centerLongitude() const;
          QString centerLongitudeString() const;
          Latitude northernLatitude() const;
          QString northernLatitudeString() const;
          Latitude southernLatitude() const;
          QString southernLatitudeString() const;
          Longitude easternLongitude() const;
          QString easternLongitudeString() const;
          Longitude westernLongitude() const;
          QString westernLongitudeString() const;
          QString originatingContinent() const;
          QString originatingEthnicity() const;
          QString approvalStatus() const;
          QString approvalDate() const;
          QString featureType() const;
          QString referenceString() const;
          QString origin() const;
          QString lastUpdated() const;
          QUrl referenceUrl() const;
          QString referenceUrlString() const;
          IAUStatus status() const;

          void swap(Feature &other);
          Feature &operator=(const Feature &rhs);

        private:
          QString getTagText(QString tagName) const;

        private:
          QDomElement * m_xmlRepresenation;
          IAUStatus  m_approvalStatus;
      };

    signals:
      void featuresIdentified(FeatureNomenclature *);

    private slots:
      void requestFinished(QNetworkReply *);

    private:
      void readSearchResults(QDomElement);
      void runQuery(QString target,
                         Latitude startLat, Longitude startLon,
                         Latitude endLat, Longitude endLon);

    private:
      QNetworkAccessManager *m_networkMgr; 
      QNetworkRequest *m_request; 

      QList<Feature> *m_features;
      IAUStatus m_statusApproval;
      bool m_lastQuery;
  };

};

Q_DECLARE_METATYPE(Isis::FeatureNomenclature::Feature);

#endif