DtFilter.h

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/*********************************************************************
** Copyright (c) 2008 MaK Technologies, Inc.
** All rights reserved.
*********************************************************************/
/*********************************************************************
** $RCSfile: DtSelectionFilters.h,v $ $Revision: 1.8 $ $State: Exp $
*********************************************************************/


#pragma once

#include <vrvCoreQt/vrvCoreQt.h> 
#include <vrvCoreQt/DtPtrQList.h>
#include <vrvCore/DtElementEntry.h>
#include <QtCore/QVector>
#include <QtCore/QString>

namespace makVrv
{
   class DT_DLL_VRVCOREQT DtFilter
   {
   public:
      DtFilter();
      DtFilter(const QString& name);
      DtFilter(const DtFilter& filter);
      virtual ~DtFilter();

      virtual DtFilter* clone() const = 0;
      virtual bool isValid(const DtElementEntry*) = 0;

      virtual const QString& name() const;
      void setName(const QString&);

      virtual int indexOf(const DtElementEntry*) { return -1; };

   protected:
      QString myName;
   };
   
   class DT_DLL_VRVCOREQT DtElementTypeFilter : public DtFilter
   {
   public:
      DtElementTypeFilter();
      DtElementTypeFilter(const DtElementEntry::ObjectType& key);
      DtElementTypeFilter(const QString& name, const DtElementEntry::ObjectType& key);
      DtElementTypeFilter(const DtElementTypeFilter& filter);
      virtual ~DtElementTypeFilter();

      const DtElementEntry::ObjectType& key() const;
      void setKey(const DtElementEntry::ObjectType&);

   protected:
      virtual DtFilter* clone() const;
      virtual bool isValid(const DtElementEntry*);

   protected:
      DtElementEntry::ObjectType myKey;
   };

   class DT_DLL_VRVCOREQT DtOrFilter : public DtFilter
   {
   public:
      DtOrFilter();
      DtOrFilter(const QString& name);
      DtOrFilter(const DtOrFilter& filter);
      virtual ~DtOrFilter();

      virtual void addFilter(const DtFilter& filter);

      void clearFilters();

   protected:
      virtual DtFilter* clone() const;
      virtual bool isValid(const DtElementEntry*);

   protected:
      DtPtrQList<DtFilter*>   myFilters;
   };

   class DT_DLL_VRVCOREQT DtAndFilter : public DtOrFilter
   {
   public:
      DtAndFilter();
      DtAndFilter(const QString& name);
      DtAndFilter(const DtAndFilter& filter);
      virtual ~DtAndFilter();

   protected:
      virtual DtFilter* clone() const;
      virtual bool isValid(const DtElementEntry*);
   };

   inline void DtFilter::setName(const QString& name)
   {
      myName = name;
   }

   inline void DtOrFilter::clearFilters()
   {
      myFilters.clear();
   }
}