DtGridLinesLogic.h

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/*****************************************************************************
 * Copyright (c) 2010 MAK Technologies, Inc.
 * All rights reserved.
 *****************************************************************************/
/*****************************************************************************
 * $RCSfile:  $ $Revision:  $ $State:  $
 *****************************************************************************/


#pragma once

#include <vrvCoreQt/vrvCoreQt.h>

#include <vrvCoreQt/DtGridLinesInterface.h>

#include <vrvUtil/DtSignalConnectionManager.h>
#include <vrvUtil/DtVirtualBaseClass.h>

#include <makArchives/DtGridLinesSettingsRecord.h>

namespace makVrv
{

   class DtSettingsBackup;
   class DtPersistenceControlsInterface;
   class DtCoordinateDisplay;

   class DT_DLL_VRVCOREQT DtGridLinesLogic : public DtVirtualBaseClass
   {
   public:

      friend class DtGridLinesLogicCreator;

      virtual ~DtGridLinesLogic();

      virtual void sendSettingsToGui();

      virtual void slot_onAutoSpacingChanged( bool );
      virtual void slot_onFixedSpacingAmountChanged( double );
      virtual void slot_onMinSpacingChanged( int );
      virtual void slot_onGridTypeChanged( makArchives::DtDisplayUnitsSettingsRecord::CoordSys );
      virtual void slot_onUnitTypeChanged( makArchives::DtDisplayUnitsSettingsRecord::DistanceUnits );
      virtual void slot_onAngularUnitTypeChanged( makArchives::DtDisplayUnitsSettingsRecord::OrientationUnits );
      virtual void slot_onXOffsetChanged( double );
      virtual void slot_onYOffsetChanged( double );
      virtual void slot_onDecimalsChanged( unsigned );

      virtual void on_import();
      virtual void on_export();
      virtual void on_importFilePathChosen(const std::string& filePath);
      virtual void on_exportFilePathChosen(const std::string& filePath);
      virtual void settingsRestored(const DtSettingsBackup* b);

      virtual void slot_coordinateSystemChanged( const std::string&, const std::string& );

   protected:

      DtGridLinesLogic(DtDe& de, DtPersistenceControlsInterface& persistenceControls,
         DtGridLinesInterface& iface);

      // Used by sendSettingsToGui to send all the known grid types to the gui
      virtual void sendGridTypesToGui();

      // Used by sendSettingsToGui to send all the known unit types to the gui
      virtual void sendUnitTypesToGui();

      // Determine if the specified grid type uses angular units (or linear, otherwise)
      bool gridTypeUsesAngularUnits( makArchives::DtDisplayUnitsSettingsRecord::CoordSys gridType ) const;

      virtual void processCurrentCoordinateSystem();

      virtual void processCurrentGridType();

      virtual double fixedSpacingAmount();

      virtual double xOffset();

      virtual double yOffset();

      virtual unsigned decimals();

      virtual void setMinAndMaxFixedSpacing( const DtCoordinateDisplay* display );

   protected:

      DtDe& myDe;
      DtGridLinesInterface& myWidget;
      DtPersistenceControlsInterface& myPersistenceControls;
      DtSignalConnectionManager mySignals;

   };

   class DT_DLL_VRVCOREQT DtGridLinesLogicCreator
      : public DtVirtualBaseClass
   {
   public:

      // Get the creator instance for this DE object.  Creates instance if none found
      static DtGridLinesLogicCreator& instance( DtDe& de );

      static void registerInstance( DtDe& de, DtGridLinesLogicCreator* creator );

      //Create the widget's logic.
      static DtVirtualBaseClass* create( DtDe& de,
         DtPersistenceControlsInterface& persistenceControls, DtGridLinesInterface& iface ) ;

   };

}