lgrAnnotationManager.h

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/******************************************************************************
** Copyright (c) 1992-2010 VT MAK
** All rights reserved.
******************************************************************************/


#ifndef lgrAnnotationManager_H_
#define lgrAnnotationManager_H_

#include <lgrAnnotations/lgrAnn.h>

#include <list>
#include <set>

class DtEnvironment;

namespace MAKLogger
{
   class DtAbsoluteTime;   
   class DtLgrAnnotation;
   class DtLgrAnnotationSlots;
   class DtLgrAnnotationBaseView;
   class DtRelativeTime;

   class DT_DLL_LGRANN DtLgrAnnotationManager
   {
   public:
      typedef std::list<DtLgrAnnotation*> AnnotationList;

      DtLgrAnnotationManager();

      virtual ~DtLgrAnnotationManager();
   
   private:
      DtLgrAnnotationManager(const DtLgrAnnotationManager&);
      DtLgrAnnotationManager& operator=(const DtLgrAnnotationManager&);
   public:      

      virtual void setAllowChanges(bool allowed);

      virtual bool allowChanges() const;

      virtual void addAnnotation(DtLgrAnnotation* annotation);

      virtual void removeAnnotation(DtLgrAnnotation* annotation);

      virtual void clearAnnotations();

      virtual void deleteTimeRange(const DtAbsoluteTime& start, 
         const DtAbsoluteTime& end);

      virtual void moveTimeRange(const DtAbsoluteTime& start, 
         const DtAbsoluteTime& end, const DtRelativeTime& offset);

      virtual void annotationsStartingAt(DtAbsoluteTime,AnnotationList& output);

      virtual void annotationsEndingAt(DtAbsoluteTime,AnnotationList& output);

      virtual void annotationsDuring(DtAbsoluteTime,AnnotationList& output);

      virtual const AnnotationList& annotations();

      virtual void annotationChanged(DtLgrAnnotation* annotation);

      virtual void annotationsChanged();

      virtual bool isAnnotationStateSaved() const;

      virtual void saveAnnotationState(DtEnvironment environment);

      virtual void setAnnotationState(const DtEnvironment environment, 
         bool clear = true);

      virtual void addView(DtLgrAnnotationBaseView* view);

      virtual void removeView(DtLgrAnnotationBaseView* view);

      virtual void annotationsSaved();

      virtual bool autoLoad() const;

      virtual void setAutoLoad( bool autoLoad );

      virtual bool empty() const;

   protected:

      AnnotationList myAnnotations;

      bool myAnnotationStateSaved;

      bool myUnlockedState;

      typedef std::set<DtLgrAnnotationBaseView*> ViewSet;

      ViewSet myViews;

      bool myAutoLoadFlag;

   };
}

#endif