File indexing completed on 2024-12-22 04:17:18

 /***************************************************************************
                           datastprimitive.h  -  add datasource handling
                           capability to a primitive
                              -------------------
     begin                : October, 2009
     copyright            : (C) 2009 by cbn
     email                : netterfield@astro.utoronto.ca
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
 
 
 #ifndef DATAPRIMITIVE_H
 #define DATAPRIMITIVE_H
 
 #include "sharedptr.h"
 #include "kst_export.h"
 
 #include <QString>
 
 class QXmlStreamWriter;
 class QXmlStreamAttributes;
 
 namespace Kst {
 
 class DataSource;
 typedef SharedPtr<DataSource> DataSourcePtr;
 
 class Primitive;
 typedef SharedPtr<Primitive> PrimitivePtr;
 
 class KSTCORE_EXPORT DataPrimitive
 {
 public:    
     virtual ~DataPrimitive();
 
     /** return the name of the file */
     QString filename() const;
 
     /** save filename to xml stream */
     void saveFilename(QXmlStreamWriter&);
     static void saveFilename(const QString&, QXmlStreamWriter&);
 
     static QString readFilename(const QXmlStreamAttributes&);
 
 
     /** return the field name */
     const QString& field() const;
 
     /** the data source */
     DataSourcePtr dataSource() const;
     void setDataSource(const DataSourcePtr&);
 
     /** change the datasource */
     virtual void changeFile(DataSourcePtr file);
 
     /** return true if it has a valid file and field, or false otherwise */
     //virtual bool isValid() const = 0;
 
     /** file to read */
     QString _field;    
 
     virtual PrimitivePtr makeDuplicate() const = 0;
 
     virtual bool checkValidity(const DataSourcePtr& ds) const = 0;
 
     /** Return field used for generalized lookup */
     QString startUnits() {return _startUnits;}
     void setStartUnits(const QString &field) {_startUnits = field;}
     QString rangeUnits() {return _rangeUnits;}
     void setRangeUnits(const QString &field) {_rangeUnits = field;}
 
 
   protected:
     DataPrimitive(Primitive* primitive);
 
   private:
     DataPrimitive();
     struct Private;
     Private& d;
 
     /** generalized index field - empty if we are using frames. */
     QString _startUnits;
     QString _rangeUnits;
 
 
 };
 
 }
 
 Q_DECLARE_INTERFACE(Kst::DataPrimitive, "DataPrimitive")
 
 #endif // DATAPRIMITIVE_H