/*****************************************************************//**
 * @file    FITKGraphActor2D.h
 * @brief   External vtkActor2D with some common functions.
 *  
 * @author  ChengHaotian (yeguangbaozi@foxmail.com)
 * @date    2024-05-16
 *********************************************************************/

#ifndef __FITKGRAPHACTOR2D_H__
#define __FITKGRAPHACTOR2D_H__

#include <vtkActor2D.h>

#include "FITKVTKAlgorithmAPI.h"

#include <vtkObjectFactory.h>
#include <vtkRenderingCoreModule.h>

// Forward declaration
namespace Comp
{
    class FITKGraphObjectVTK;
}

/**
 * @brief   The type of the actor2D.
 * @author  ChengHaotian (yeguangbaozi@foxmail.com)
 * @date    2024-05-16
 */
enum ActorType2D
{
    // Other actor.
    OtherActor2D = -1,

    // Text label actor.
    TextActor = 0,

    // The poly glyph actor.
    GlyphActor,
};

/**
 * @brief   Override vtkActor, add some new interfaces for setting input.
 * @author  ChengHaotian (yeguangbaozi@foxmail.com)
 * @date    2024-05-16
 */
class FITKVTKALGORITHMAPI FITKGraphActor2D : public vtkActor2D
{
public:
    vtkTypeMacro(FITKGraphActor2D, vtkActor2D);

    /**
     * @brief   Vtk new.
     * @return  The instance
     * @author  ChengHaotian (yeguangbaozi@foxmail.com)
     * @date    2024-05-16
     */
    static FITKGraphActor2D* New();

    /**
     * @brief   Set the data object.
     * @param   obj: Data object
     * @author  ChengHaotian (yeguangbaozi@foxmail.com)
     * @date    2024-05-16
     */
    void setGraphObject(Comp::FITKGraphObjectVTK* obj);

    /**
     * @brief   Get the data object.
     * @return  Data object
     * @author  ChengHaotian (yeguangbaozi@foxmail.com)
     * @date    2024-05-16
     */
    Comp::FITKGraphObjectVTK* getGraphObject();

    /**
     * @brief   Get the graph object as the given type.[template]
     * @return  The graph object.
     * @author  ChengHaotian (yeguangbaozi@foxmail.com)
     * @date    2024-06-05
     */
    template<class T>
    T* getGraphObjectAs()
    {
        return dynamic_cast<T*>(m_graphObj);
    }
    
    /**
     * @brief   Set the actor's data type.
     * @param   type: Surface or edge
     * @author  ChengHaotian (yeguangbaozi@foxmail.com)
     * @date    2024-05-16
     */
    void setActorType(ActorType2D type);

    /**
     * @brief   Get the actor's data type.
     * @return  Is a surface or an edge
     * @author  ChengHaotian (yeguangbaozi@foxmail.com)
     * @date    2024-05-16
     */
    ActorType2D getActorType();

    /**
     * @brief   Update the actor's mapper.
     * @author  ChengHaotian (yeguangbaozi@foxmail.com)
     * @date    2024-05-16
     */
    void update();

protected:
    /**
     * @brief   Constructor.
     * @author  ChengHaotian (yeguangbaozi@foxmail.com)
     * @date    2024-05-16
     */
    FITKGraphActor2D();

    /**
     * @brief   Destructor.[virtual]
     * @author  ChengHaotian (yeguangbaozi@foxmail.com)
     * @date    2024-05-16
     */
    virtual ~FITKGraphActor2D();

    /**
     * @brief   Copy constructor.
     * @param   The object
     * @author  ChengHaotian (yeguangbaozi@foxmail.com)
     * @date    2024-05-16
     */
    FITKGraphActor2D(const FITKGraphActor2D&) = delete;

    /**
     * @brief   Operator overloading.
     * @param   The object
     * @author  ChengHaotian (yeguangbaozi@foxmail.com)
     * @date    2024-05-16
     */
    void operator=(const FITKGraphActor2D&) = delete;

protected:
    /**
     * @brief   Shallow copy.[override]
     * @param   prop: The source prop
     * @author  ChengHaotian (yeguangbaozi@foxmail.com)
     * @date    2024-05-16
     */
    void ShallowCopy(vtkProp* prop) override;
    //@}

protected:
    /**
     * @brief   The data object
     * @author  ChengHaotian (yeguangbaozi@foxmail.com)
     * @date    2024-05-16
     */
    Comp::FITKGraphObjectVTK* m_graphObj{ nullptr };

    /**
     * @brief   The type of actor's data.
     * @author  ChengHaotian (yeguangbaozi@foxmail.com)
     * @date    2024-05-16
     */
    ActorType2D m_actorType = OtherActor2D;

};

#endif // __FITKGRAPHACTOR2D_H__