DtModelScaleWidgetLogic.h

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/****************************************************************************** 
** Copyright (c) 2008 MAK Technologies, Inc. 
** All rights reserved. 
******************************************************************************/ 
 

#pragma once

#include <vrvCoreQt/vrvCoreQt.h> 
#include <vrvCore/DtObserver.h>
#include <vrvCore/DtSubjectObserver.h>

#include <string>

namespace makVrv 
{ 
   class DtDe;
   class DtModelScaleWidgetInterface;
   class DtInputDriver;
   class DtObserver;

   class DT_DLL_VRVCOREQT DtModelScaleWidgetLogic : public DtDeObserver
   {
   public:   

      DtModelScaleWidgetLogic(DtDe& de, DtModelScaleWidgetInterface& iFace);
         
      virtual ~DtModelScaleWidgetLogic();
      
      virtual void setModelScaleFactor( int factor );
      virtual void setMaxModelScaleFactor( int maxFactor );
      virtual void enableModelScaling( bool b );

   protected:
      virtual void slot_activate(DtDe* de);
      virtual void slot_deactivate(DtDe* de);

   protected:
      
      virtual void setCurrentObserver( DtObserver* observer );
         
      void onObserverAboutToBeDestroyed( DtInputDriver* inputDriver,
         DtObserver* observer );
         
      void onCurrentObserverChanged( DtInputDriver* inputDriver,
         DtObserver* observer );

      void onObserverModeChanged(  DtObserver* observer, int newObserverMode );

      virtual void onObserverModeSettingChanged( int observerMode, int settingKey );
      virtual void onObserverModeModelSetChanged( int observerMode );

      virtual void onObserverModeModelScaleFactorChanged( int modeId );
      virtual void onObserverModeMaxModelScaleFactorChanged( int modeId );

      virtual void setupModelScaleFactorSlider();
      virtual void setupModelScaleButton();

   protected:

      DtDe& myDe;
      DtModelScaleWidgetInterface& myInterface;      
      DtObserver* myCurrentObserver;
   };
}