include/terrainqt/terrainSelector.h

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/*******************************************************************************
** Copyright (c) 2004 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: terrainSelector.h,v $ $Revision: 1.11 $ $State: Exp $
*******************************************************************************/


#ifndef terrainSelector_H_
#define terrainSelector_H_

#include "tmqt/symbolSelector.h"
#include "symbolMapper/terrainModelData.h"

#include <gdb/netwrkElemnt.h>

class DtNetworkEdge;
class DtTerrainDatabase;
class DtNetworkSegment;
class DtSpecification;



#include "terrainqt/terrainqtDefines.h"
class DT_DLL_terrainqt DtTerrainSelector : public DtSymbolSelector
{
   Q_OBJECT

public:

   enum DtTerrainSelectionMode
   {
      DtAllFeaturesWithinRange,
      DtAllSegmentsWithinRange,
      DtAllPolygons
   };

   DtTerrainSelector();
   virtual ~DtTerrainSelector();

   static DtTerrainSelector* create();

private:
   DtTerrainSelector(const DtTerrainSelector& orig);
   
   DtTerrainSelector& operator=(const DtTerrainSelector& orig);

public:
   virtual void selectSymbols(DtModelDataIter *iter, Qt::KeyboardModifiers keyState, Qt::MouseButtons mouseState);

   virtual void setTerrainDatabase(const DtTerrainDatabase* db);
   virtual const DtTerrainDatabase* terrainDatabase() const;
   
   virtual void setTerrainSelectionMode(DtTerrainSelectionMode mode);
   virtual DtTerrainSelectionMode terrainSelectionMode() const;

   virtual void setScreenRange(int iPixels);

   virtual void clear();

   virtual void select(const DtSpecification& spec, bool merge);

   virtual bool selectNode(const DtSpecification& spec,
       QList<DtNetworkElement*>& segments,  QList<DtNetworkSpecElement*>& edges);

   virtual bool selectEdges(const DtSpecification& spec,
       QList<DtNetworkElement*>& segments,  QList<DtNetworkSpecElement*>& edges);
   virtual bool selectAllEdges(QList<DtNetworkElement*>& segments,  
      QList<DtNetworkSpecElement*>& edges);
   virtual void endSelection(Qt::KeyboardModifiers keyState, Qt::MouseButtons mouseState);

protected:
   virtual int calculateInterestRange();

protected:

   virtual void rectangleSelect(int iInterestRange, const QPoint& start, const QPoint& end,
      QList<DtNetworkElement*>& list, QList<DtNetworkSpecElement*>& edges);

   virtual void pointSelect(int iInterestRange, QList<DtNetworkElement*>& list,
      QList<DtNetworkSpecElement*>& edges);

   virtual void selectFeaturesByExtent(DtExtent &ext, Qt::KeyboardModifiers keyState, Qt::MouseButtons mouseState);

   virtual void extentSelect(int iInteresRange, QList<DtNetworkElement*>& segments,
                                           QList<DtNetworkSpecElement*>& edges);

   virtual void selectByMode(int iInterestRange, const DtNetworkEdge* edge,
      QList<DtNetworkElement*>& list, QList<DtNetworkSpecElement*>& edges);

   virtual void collectSegment(int iInterestRange, const DtNetworkEdge* edge,
      QList<DtNetworkElement*>& list, QList<DtNetworkSpecElement*>& edges);

   virtual void collectAllSegments(int iInterestRange, const DtNetworkEdge* edge,
      QList<DtNetworkElement*>& list, QList<DtNetworkSpecElement*>& edges);

   virtual void completeSelection(QList<DtNetworkElement*>& segments, 
         QList<DtNetworkSpecElement*>& edges, Qt::KeyboardModifiers keyState, Qt::MouseButtons mouseState);

   virtual bool keepUnknownKeys() const;

protected:
   virtual void highlightSymbols(QVector<DtModelKey>* display = 0);

   virtual void updateTerrainModelData(QList<DtNetworkElement*>& segments, bool merge);
   virtual void updateNetworkSpecification(DtNetworkSpecElement* parent, DtNetworkSegment* segment, bool merge);

protected:
   QHash<DtModelKey, DtTerrainModelData*>  myTerrainModelData;

   const DtTerrainDatabase*   myTerrainDatabase;
   DtTerrainSelectionMode     myTerrainSelectionMode;

   int                        myScreenRange;
};

inline bool DtTerrainSelector::keepUnknownKeys() const
{
   return true;
}

#endif