// Created on: 2014-04-24
// Created by: Kirill Gavrilov
// Copyright (c) 2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#ifndef _AIS_ColoredShape_HeaderFile
#define _AIS_ColoredShape_HeaderFile

#include <AIS_DataMapOfShapeDrawer.hxx>
#include <AIS_Shape.hxx>
#include <NCollection_IndexedDataMap.hxx>
#include <StdPrs_Volume.hxx>
#include <TopoDS_Compound.hxx>
#include <TopTools_MapOfShape.hxx>
#include <TColStd_MapTransientHasher.hxx>

class StdSelect_BRepOwner;

//! Presentation of the shape with customizable sub-shapes properties.
class AIS_ColoredShape : public AIS_Shape
{
public:

  //! Default constructor
  Standard_EXPORT AIS_ColoredShape (const TopoDS_Shape& theShape);

  //! Copy constructor
  Standard_EXPORT AIS_ColoredShape (const Handle(AIS_Shape)& theShape);

public: //! @name sub-shape aspects

  //! Customize properties of specified sub-shape.
  //! The shape will be stored in the map but ignored, if it is not sub-shape of main Shape!
  //! This method can be used to mark sub-shapes with customizable properties.
  Standard_EXPORT virtual Handle(AIS_ColoredDrawer) CustomAspects (const TopoDS_Shape& theShape);

  //! Reset the map of custom sub-shape aspects.
  Standard_EXPORT virtual void ClearCustomAspects();

  //! Reset custom properties of specified sub-shape.
  //! @param theToUnregister unregister or not sub-shape from the map
  Standard_EXPORT void UnsetCustomAspects (const TopoDS_Shape&    theShape,
                                           const Standard_Boolean theToUnregister = Standard_False);

  //! Customize color of specified sub-shape
  Standard_EXPORT void SetCustomColor (const TopoDS_Shape&   theShape,
                                       const Quantity_Color& theColor);

  //! Customize transparency of specified sub-shape
  Standard_EXPORT void SetCustomTransparency (const TopoDS_Shape& theShape,
                                              Standard_Real theTransparency);

  //! Customize line width of specified sub-shape
  Standard_EXPORT void SetCustomWidth (const TopoDS_Shape& theShape,
                                       const Standard_Real theLineWidth);

  //! Return the map of custom aspects.
  const AIS_DataMapOfShapeDrawer& CustomAspectsMap() const { return myShapeColors; }

  //! Return the map of custom aspects.
  AIS_DataMapOfShapeDrawer& ChangeCustomAspectsMap() { return myShapeColors; }

public: //! @name global aspects

  //! Setup color of entire shape.
  Standard_EXPORT virtual void SetColor (const Quantity_Color& theColor) Standard_OVERRIDE;

  //! Setup line width of entire shape.
  Standard_EXPORT virtual void SetWidth (const Standard_Real theLineWidth) Standard_OVERRIDE;

  //! Sets transparency value.
  Standard_EXPORT virtual void SetTransparency (const Standard_Real theValue) Standard_OVERRIDE;

  //! Sets the material aspect.
  Standard_EXPORT virtual void SetMaterial (const Graphic3d_MaterialAspect& theAspect) Standard_OVERRIDE;

public:

  //! Removes the setting for transparency in the reconstructed compound shape.
  Standard_EXPORT virtual void UnsetTransparency() Standard_OVERRIDE;

  //! Setup line width of entire shape.
  Standard_EXPORT virtual void UnsetWidth() Standard_OVERRIDE;

protected: //! @name override presentation computation

  //! Compute presentation considering sub-shape color map.
  Standard_EXPORT virtual void Compute (const Handle(PrsMgr_PresentationManager3d)& thePrsMgr,
                                        const Handle(Prs3d_Presentation)&           thePrs,
                                        const Standard_Integer                      theMode) Standard_OVERRIDE;

  //! Compute selection considering sub-shape hidden state.
  Standard_EXPORT virtual void ComputeSelection (const Handle(SelectMgr_Selection)& theSelection,
                                                 const Standard_Integer theMode) Standard_OVERRIDE;

protected:

  typedef NCollection_IndexedDataMap<Handle(AIS_ColoredDrawer), TopoDS_Compound, TColStd_MapTransientHasher> DataMapOfDrawerCompd;

protected:

  //! Recursive function to map shapes.
  //! @param theParentDrawer   the drawer to be used for undetailed shapes (default colors)
  //! @param theShapeToParse   the subshape to be recursively parsed
  //! @param theShapeDrawerMap shapes map Subshape (in the base shape) -> Drawer
  //! @param theParentType     the parent subshape type
  //! @param theIsParentClosed flag indicating that specified shape is part of closed Solid
  //! @param theDrawerOpenedShapePerType the array of shape types to fill
  //! @param theDrawerClosedFaces        the map for closed faces
  Standard_EXPORT static Standard_Boolean dispatchColors (const Handle(AIS_ColoredDrawer)& theParentDrawer,
                                                          const TopoDS_Shape& theShapeToParse,
                                                          const AIS_DataMapOfShapeDrawer& theShapeDrawerMap,
                                                          const TopAbs_ShapeEnum theParentType,
                                                          const Standard_Boolean theIsParentClosed,
                                                          DataMapOfDrawerCompd* theDrawerOpenedShapePerType,
                                                          DataMapOfDrawerCompd& theDrawerClosedFaces);
protected:

  //! Extract myShapeColors map (KeyshapeColored -> Color) to subshapes map (Subshape -> Color).
  //! This needed when colored shape is not part of BaseShape (but subshapes are) and actually container for subshapes.
  Standard_EXPORT void fillSubshapeDrawerMap (AIS_DataMapOfShapeDrawer& theSubshapeDrawerMap) const;

  //! Add shape to presentation
  //! @param thePrs the presentation
  //! @param theDrawerOpenedShapePerType the shapes map with unique attributes
  //! @param theDrawerClosedFaces the map of attributes for closed faces
  //! @param theMode display mode
  Standard_EXPORT void addShapesWithCustomProps (const Handle(Prs3d_Presentation)& thePrs,
                                                 const DataMapOfDrawerCompd* theDrawerOpenedShapePerType,
                                                 const DataMapOfDrawerCompd& theDrawerClosedFaces,
                                                 const Standard_Integer theMode);

  //! Check all shapes from myShapeColorsfor visibility
  Standard_EXPORT Standard_Boolean isShapeEntirelyVisible() const;

  //! Resolve (parse) theKeyShape into subshapes, search in they for theBaseShape,
  //! bind all resolved subshapes with theOriginKeyShape and store all binds in theShapeDrawerMap
  //! @param theShapeDrawerMap shapes map: resolved and found theBaseShape subshape -> theOriginKeyShape
  //! @param theKeyShape       a shape to be resolved (parse) into smaller (in topological sense)
  //!                          subshapes for new bind cycle
  //! @param theDrawer         assigned drawer
  Standard_EXPORT void bindSubShapes (AIS_DataMapOfShapeDrawer& theShapeDrawerMap,
                                      const TopoDS_Shape& theKeyShape,
                                      const Handle(AIS_ColoredDrawer)& theDrawer) const;

  //! Add sub-shape to selection considering hidden state (recursively).
  //! @param theParentDrawer   drawer of parent shape
  //! @param theShapeDrawerMap shapes map
  //! @param theShape          shape to compute sensitive entities
  //! @param theOwner          selectable owner object
  //! @param theSelection      selection to append new sensitive entities
  //! @param theTypOfSel       type of selection
  //! @param theDeflection     linear deflection
  //! @param theDeflAngle      angular deflection
  Standard_EXPORT void computeSubshapeSelection (const Handle(AIS_ColoredDrawer)& theParentDrawer,
                                                 const AIS_DataMapOfShapeDrawer& theShapeDrawerMap,
                                                 const TopoDS_Shape& theShape,
                                                 const Handle(StdSelect_BRepOwner)& theOwner,
                                                 const Handle(SelectMgr_Selection)& theSelection,
                                                 const TopAbs_ShapeEnum theTypOfSel,
                                                 const Standard_Integer thePriority,
                                                 const Standard_Real theDeflection,
                                                 const Standard_Real theDeflAngle);

protected:

  AIS_DataMapOfShapeDrawer myShapeColors;

public:

  DEFINE_STANDARD_RTTIEXT(AIS_ColoredShape,AIS_Shape)

};

DEFINE_STANDARD_HANDLE(AIS_ColoredShape, AIS_Shape)

#endif // _AIS_ColoredShape_HeaderFile
