// Created on: 1998-09-30
// Created by: Denis PASCAL
// Copyright (c) 1998-1999 Matra Datavision
// Copyright (c) 1999-2014 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 _TPrsStd_AISPresentation_HeaderFile
#define _TPrsStd_AISPresentation_HeaderFile

#include "Standard.hxx"
#include "Standard_Type.hxx"

#include "Quantity_NameOfColor.hxx"
#include "Graphic3d_NameOfMaterial.hxx"
#include "Standard_Integer.hxx"
#include "TDF_Attribute.hxx"
#include "TDataXtd_Presentation.hxx"
#include "AIS_InteractiveContext.hxx"

class AIS_InteractiveObject;
class Standard_GUID;
class TDF_Label;
class TDF_RelocationTable;
class TDF_AttributeDelta;

//! An attribute to associate an
//! AIS_InteractiveObject to a label in an AIS viewer.
//! This attribute works in collaboration with TPrsStd_AISViewer.
//! Note that all the Set... and Unset... attribute
//! methods as well as the query methods for
//! visualization attributes and the HasOwn... test
//! methods are shortcuts to the respective
//! AIS_InteractiveObject settings.
class TPrsStd_AISPresentation : public TDF_Attribute
{

public:
  //! Returns the GUID for TPrsStd_AISPresentation attributes.
  Standard_EXPORT static const Standard_GUID& GetID();

  //! Creates or retrieves the presentation attribute on
  //! the label L, and sets the GUID driver.
  Standard_EXPORT static occ::handle<TPrsStd_AISPresentation> Set(const TDF_Label&     L,
                                                                  const Standard_GUID& driver);

  //! Delete (if exist) the presentation attribute associated to the label <L>.
  Standard_EXPORT static void Unset(const TDF_Label& L);

  //! Creates or retrieves the AISPresentation
  //! attribute attached to master.
  //! The GUID of the driver will be the GUID of master.
  //! master is the attribute you want to display.
  Standard_EXPORT static occ::handle<TPrsStd_AISPresentation> Set(
    const occ::handle<TDF_Attribute>& master);

  Standard_EXPORT TPrsStd_AISPresentation();

  Standard_EXPORT void SetDisplayed(const bool B);

  //! Display presentation of object in AIS viewer.
  //! If <update> = True then AISObject is recomputed and all
  //! the visualization settings are applied
  Standard_EXPORT void Display(const bool update = false);

  //! Removes the presentation of this AIS
  //! presentation attribute from the TPrsStd_AISViewer.
  //! If remove is true, this AIS presentation attribute
  //! is removed from the interactive context.
  Standard_EXPORT void Erase(const bool remove = false);

  //! Recompute presentation of object and apply the visualization settings
  Standard_EXPORT void Update();

  Standard_EXPORT Standard_GUID GetDriverGUID() const;

  Standard_EXPORT void SetDriverGUID(const Standard_GUID& guid);

  //! Returns true if this AIS presentation attribute is displayed.
  Standard_EXPORT bool IsDisplayed() const;

  //! Returns AIS_InteractiveObject stored in the presentation attribute
  Standard_EXPORT occ::handle<AIS_InteractiveObject> GetAIS() const;

  //! Returns the material setting for this presentation attribute.
  Standard_EXPORT Graphic3d_NameOfMaterial Material() const;

  //! Sets the material aName for this presentation attribute.
  Standard_EXPORT void SetMaterial(const Graphic3d_NameOfMaterial aName);

  //! Returns true if this presentation attribute already has a material setting.
  Standard_EXPORT bool HasOwnMaterial() const;

  //! Removes the material setting from this presentation attribute.
  Standard_EXPORT void UnsetMaterial();

  //! Sets the transparency value aValue for this
  //! presentation attribute.
  //! This value is 0.6 by default.
  Standard_EXPORT void SetTransparency(const double aValue = 0.6);

  Standard_EXPORT double Transparency() const;

  //! Returns true if this presentation attribute already has a transparency setting.
  Standard_EXPORT bool HasOwnTransparency() const;

  //! Removes the transparency setting from this presentation attribute.
  Standard_EXPORT void UnsetTransparency();

  Standard_EXPORT Quantity_NameOfColor Color() const;

  //! Sets the color aColor for this presentation attribute.
  Standard_EXPORT void SetColor(const Quantity_NameOfColor aColor);

  //! Returns true if this presentation attribute already has a color setting.
  Standard_EXPORT bool HasOwnColor() const;

  //! Removes the color setting from this presentation attribute.
  Standard_EXPORT void UnsetColor();

  Standard_EXPORT double Width() const;

  //! Sets the width aWidth for this presentation attribute.
  Standard_EXPORT void SetWidth(const double aWidth);

  //! Returns true if this presentation attribute already has a width setting.
  Standard_EXPORT bool HasOwnWidth() const;

  //! Removes the width setting from this presentation attribute.
  Standard_EXPORT void UnsetWidth();

  Standard_EXPORT int Mode() const;

  Standard_EXPORT void SetMode(const int theMode);

  Standard_EXPORT bool HasOwnMode() const;

  Standard_EXPORT void UnsetMode();

  //! Returns selection mode(s) of the attribute.
  //! It starts with 1 .. GetNbSelectionModes().
  Standard_EXPORT int GetNbSelectionModes() const;
  Standard_EXPORT int SelectionMode(const int index = 1) const;

  //! Sets selection mode.
  //! If "theTransaction" flag is OFF, modification of the attribute doesn't influence the
  //! transaction mechanism (the attribute doesn't participate in undo/redo because of this
  //! modification). Certainly, if any other data of the attribute is modified (display mode, color,
  //! ...), the attribute will be included into undo/redo.
  Standard_EXPORT void SetSelectionMode(const int  theSelectionMode,
                                        const bool theTransaction = true);
  Standard_EXPORT void AddSelectionMode(const int  theSelectionMode,
                                        const bool theTransaction = true);

  Standard_EXPORT bool HasOwnSelectionMode() const;

  //! Clears all selection modes of the attribute.
  Standard_EXPORT void UnsetSelectionMode();

  Standard_EXPORT const Standard_GUID& ID() const override;

  Standard_EXPORT occ::handle<TDF_Attribute> NewEmpty() const override;

  Standard_EXPORT void Restore(const occ::handle<TDF_Attribute>& with) override;

  Standard_EXPORT void Paste(const occ::handle<TDF_Attribute>&       into,
                             const occ::handle<TDF_RelocationTable>& RT) const override;

  Standard_EXPORT occ::handle<TDF_Attribute> BackupCopy() const override;

  Standard_EXPORT void AfterAddition() override;

  Standard_EXPORT void BeforeRemoval() override;

  Standard_EXPORT void BeforeForget() override;

  Standard_EXPORT void AfterResume() override;

  Standard_EXPORT bool BeforeUndo(const occ::handle<TDF_AttributeDelta>& anAttDelta,
                                  const bool                             forceIt = false) override;

  //! update AIS viewer according to delta
  Standard_EXPORT bool AfterUndo(const occ::handle<TDF_AttributeDelta>& anAttDelta,
                                 const bool                             forceIt = false) override;

  //! Dumps the content of me into the stream
  Standard_EXPORT void DumpJson(Standard_OStream& theOStream, int theDepth = -1) const override;

  DEFINE_STANDARD_RTTIEXT(TPrsStd_AISPresentation, TDF_Attribute)

protected:
  //! Returns attribute storing presentation data
  Standard_EXPORT virtual occ::handle<TDataXtd_Presentation> getData() const;

private:
  occ::handle<AIS_InteractiveContext> getAISContext() const;

  //! Activates selection mode of the interactive object.
  //! It is called internally on change of selection mode and AISUpdate().
  void ActivateSelectionMode();

  //! Updates AIS_InteractiveObject stored in the attribute
  //! and applies the visualization settings
  Standard_EXPORT void AISUpdate();

  //! Displays AIS_InteractiveObject stored in the attribute
  Standard_EXPORT void AISDisplay();

  //! Erases AIS_InteractiveObject stored in the attribute in
  //! the viewer; If <remove> = True then AISObject is removed
  //! from AIS_InteractiveContext instead of simple erasing in the viewer
  Standard_EXPORT void AISErase(const bool remove = false);

private:
  occ::handle<AIS_InteractiveObject> myAIS;
};

#endif // _TPrsStd_AISPresentation_HeaderFile