objectSelector.h

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/*******************************************************************************
** Copyright (c) 2002 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: objectSelector.h,v $ $Revision: 1.10 $ $State: Exp $
*******************************************************************************/


#ifndef DTOBJECTSELECTOR_H_
#define DTOBJECTSELECTOR_H_

#include "tmqt/symbolSelector.h"
#include "tmqt/selectionFilters.h"
#include "ngutil/dtqlist.h"

class DtSymbol;


#include "tmqt/tmqtDefines.h"
class DT_DLL_tmqt DtObjectSelector : public DtSymbolSelector
{

   Q_OBJECT

public:
   
   enum DtSelectorType
   {
      DtNone = 0,             
      DtRectSelector,         
      DtCircleSelector,       
      DtCirclePointsSelector, 
      DtCircleInscribedPointsSelector, 
      DtSinglePointSelector,  
      DtMAXSelectorType
   };

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

   static DtObjectSelector* create();

   virtual void setSelectionFilter(const DtFilter&);
   virtual const DtFilter* selectionFilter() const;

   virtual void revalidateSelectedKeys(DtModelDataIter *iter);

   virtual void clearFilter();

   virtual DtSymbol* symbolAtLocation(DtModelDataIter* iter, const DtPoint& pnt);

   virtual void backupSelectionFilter();
   virtual bool restoreSelectionFilter();

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


protected:
   virtual bool isValidForSelectionMode(const DtModelData* data);

   virtual bool isValidForSelectionMode(const DtSymbol* symbol);

   virtual bool isValidForMode(const DtModelData* data, const DtSymbol *s);

   virtual void select(DtModelDataIter* iter, QVector<DtModelKey>& keys,
      Qt::KeyboardModifiers keyState, Qt::MouseButtons mouseState);

   virtual bool isInRectangle(const DtModelData* data, DtSymbol* s,
                                     const QPoint& start, const QPoint& end) const;
   virtual bool isInPoint(const DtModelData* data, DtSymbol* s,
                                     const QPoint& start, const QPoint& end) const;
   virtual bool isInCircle(const DtModelData* data, DtSymbol* s,
                                     const QPoint& start, const QPoint& end) const;
   virtual bool isInRectCircle(const DtModelData* data, DtSymbol* s,
                                     const QPoint& start, const QPoint& end) const;

   virtual bool selectForMode(const DtModelData* data, DtSymbol* s, const QPoint& start, const QPoint& end) const;

   virtual void postProcessForMode(DtModelDataIter* iter, const QPoint& start, const QPoint& end, QVector<DtModelKey>& keys);
   virtual void postProcessRectangleMode(DtModelDataIter* iter, const QPoint& start, const QPoint& end, QVector<DtModelKey>& keys);

   virtual void highlightSymbols(QVector<DtModelKey>* display = NULL);
   virtual bool passesFinalSelectionTest(const DtSymbol* s);

   virtual void removeSingleSelectionItems(DtModelDataIter *iter, QVector<DtModelKey>&);
   virtual bool isSingleSelectionItem(DtModelData* data, DtSymbol* s) const;

protected:
   DtFilter*         mySelectionFilter;
   DtPtrQList<DtFilter*>  myFilterBackups;
};

#endif //DTOBJECTSELECTOR_H_