#ifndef SCH_VIEW_H_
#define SCH_VIEW_H_

#include <memory>
#include <view/view.h>
#include <math/box2.h>

#include <view/wx_view_controls.h>
#include <worksheet_viewitem.h>
#include <layers_id_colors_and_visibility.h>

class SCH_SHEET;
class SCH_SCREEN;
class LIB_PART;


static const LAYER_NUM SCH_LAYER_ORDER[] =
    {
        LAYER_GP_OVERLAY, LAYER_SELECT_OVERLAY,
        LAYER_ERC_ERR, LAYER_ERC_WARN,
        LAYER_REFERENCEPART, LAYER_VALUEPART, LAYER_FIELDS,
        LAYER_JUNCTION,
        LAYER_WIRE, LAYER_BUS,
        LAYER_DEVICE,
        LAYER_DEVICE_BACKGROUND,
        LAYER_NOTES,
        LAYER_SHEET,
        LAYER_SHEET_BACKGROUND,
        LAYER_WORKSHEET
    };


namespace KIGFX
{
    class VIEW_GROUP;
    class WORKSHEET_VIEWITEM;

    namespace PREVIEW
    {
        class SELECTION_AREA;
    };

class SCH_VIEW : public KIGFX::VIEW
{
public:
    SCH_VIEW( bool aIsDynamic );
    ~SCH_VIEW();

    void DisplaySheet( SCH_SHEET *aSheet );
    void DisplaySheet( SCH_SCREEN *aSheet );
    void DisplayComponent( LIB_PART *aPart );

    KIGFX::PREVIEW::SELECTION_AREA* GetSelectionArea() const { return m_selectionArea.get(); }

    KIGFX::VIEW_GROUP* GetPreview() const { return m_preview.get(); }

    void ClearPreview();
    void AddToPreview( EDA_ITEM *aItem, bool takeOwnership = true );

    void ShowSelectionArea( bool aShow = true );
    void ShowPreview( bool aShow = true );

    void ClearHiddenFlags();
    void HideWorksheet();

private:
    std::unique_ptr<WORKSHEET_VIEWITEM> m_worksheet;
    std::unique_ptr<KIGFX::PREVIEW::SELECTION_AREA> m_selectionArea;
    std::unique_ptr<KIGFX::VIEW_GROUP> m_preview;
    std::vector<EDA_ITEM *> m_ownedItems;
};

}; // namespace

#endif