/**
 * @file  XTPChart3dPieSeriesLabelsViewDeviceCommand.h
 *
 * @copyright
 * (c) 1998-2025 Codejock Software, All Rights Reserved.
 *
 * This source file is the property of Codejock Software and must not be
 * redistributed by any means without the explicit written permission of
 * Codejock Software.
 *
 * The use of this source code is governed by the terms and conditions specified
 * in the Toolkit Pro license agreement. Codejock Software grants you, as a
 * single software developer, the limited right to use this software on one
 * computer only.
 *
 * Contact Information:
 * support@codejock.com
 * http://www.codejock.com
 *
 */

/** @cond */
#if !defined(__XTPCHART3DPIESERIESLABELSVIEWDEVICECOMMAND_H__)
#	define __XTPCHART3DPIESERIESLABELSVIEWDEVICECOMMAND_H__
/** @endcond */

#	if _MSC_VER >= 1000
#		pragma once
#	endif // _MSC_VER >= 1000

#	include "Common/Base/Diagnostic/XTPDisableNoisyWarnings.h"

class CXTPChart3dPieSeriesLabelsView;
class CXTPChart3dPieSeriesLabelView;
class CXTPChart3dPieSeriesPointView;
class CXTPChart3dPieSeriesLabelDeviceCommand;
class CXTPChart3dDeviceContext;
class CXTPChart3dPieSeriesLabel;

/**
 * @brief
 * Implements 3D chart pie series label device command.
 */
class _XTP_EXT_CLASS CXTPChart3dPieSeriesLabelDeviceCommand : public CXTPChart3dDeviceCommand
{
	DECLARE_DYNAMIC(CXTPChart3dPieSeriesLabelDeviceCommand);

public:
	/**
	 * @brief
	 * Constructs a CXTPChart3dPieSeriesLabelDeviceCommand object.
	 *
	 * @param pSeriesLabelView Associated series label view pointer.
	 */
	CXTPChart3dPieSeriesLabelDeviceCommand(CXTPChart3dPieSeriesLabelView* pSeriesLabelView);

public:
	/** @cond */
	virtual void ExecuteOverride(CXTPChartDeviceContext* pDC);
	/** @endcond */

	/**
	 * @brief
	 * Obtains the label view object pointer.
	 *
	 * @return
	 * Label view object pointer.
	 */
	CXTPChart3dPieSeriesLabelView* GetSeriesLabelView() const;

	/**
	 * @brief
	 * Returns TRUE if the label connector is bent.
	 *
	 * @return
	 * TRUE if the label connector is bent, FALSE otherwise.
	 */
	BOOL IsBent() const;

	/**
	 * @brief
	 * Checks whether the command object is in a failed state.
	 *
	 * @return
	 * TRUE if the command object is in a failed state, FALSE otherwise.
	 *
	 * @see
	 * SetFailed
	 */
	BOOL IsFailed() const;

	/**
	 * @brief
	 * Sets the command object to a failed state.
	 */
	void SetFailed();

	/**
	 * @brief
	 * Obtains the label rectangle.
	 *
	 * @return
	 * Label rectangle.
	 *
	 * @see
	 * SetLabelRect
	 */
	CRect GetLabelRect() const;

	/**
	 * @brief
	 * Sets the label rectangle.
	 *
	 * @param rcLabel Label rectangle.
	 *
	 * @see
	 * GetLabelRect
	 */
	void SetLabelRect(CRect rcLabel);

	/**
	 * @brief
	 * Computes the connector vector.
	 *
	 * @param pDC Target device context pointer.
	 *
	 * @return
	 * TRUE if the vector is successfully computed, FALSE otherwise.
	 */
	BOOL ComputeConnectorVector(CXTPChart3dDeviceContext* pDC);

	/**
	 * @brief
	 * Computes the connector bend.
	 *
	 * @param pDC Target device context pointer.
	 * @param rcBoundaries Size of boundries.
	 *
	 * @return
	 * TRUE if the bend is successfully computed, FALSE otherwise.
	 */
	BOOL ComputeConnectorBend(CXTPChart3dDeviceContext* pDC, CRect rcBoundaries);

	/**
	 * @brief
	 * Computes label.
	 *
	 * @param pDC Target device context pointer.
	 */
	void ComputeLabel(CXTPChart3dDeviceContext* pDC);

	/**
	 * @brief
	 * Determines the connector length factor value.
	 *
	 * @return
	 * Connector length factor value.
	 *
	 * @see
	 * SetConnectorLengthFactor
	 */
	double GetConnectorLengthFactor() const;

	/**
	 * @brief
	 * Sets the connector length factor value.
	 *
	 * @param dFactor New connector length factor value.
	 *
	 * @see
	 * GetConnectorLengthFactor
	 */
	void SetConnectorLengthFactor(double dFactor);

	/**
	 * @brief
	 * Determines the connector endpoint vertical offset value.
	 *
	 * @return
	 * Connector endpoint vertical offset value.
	 *
	 * @see
	 * SetConnectorEndpointVerticalOffset
	 */
	double GetConnectorEndpointVerticalOffset() const;

	/**
	 * @brief
	 * Sets the connector endpoint vertical offset value.
	 *
	 * @param yOffset New connector endpoint vertical offset value.
	 *
	 * @see
	 * GetConnectorEndpointVerticalOffset
	 */
	void SetConnectorEndpointVerticalOffset(double yOffset);

	/**
	 * @brief
	 * Sets the column anchor vertical position value.
	 *
	 * @param pDC Target device context.
	 * @param y New column anchor vertical position value.
	 *
	 * @return
	 * TRUE if the new value is successfully computed and applied, FALSE otherwise.
	 */
	BOOL SetColumnAnchorVerticalPosition(CXTPChart3dDeviceContext* pDC, int y);

private:
	BOOL ComputeConnectorStartPoint(CXTPChart3dDeviceContext* pDC, CXTPPoint3d& ptStart,
									CPoint& ptProjected) const;
	CXTPPoint3d ComputeConnectorBendPoint() const;
	CXTPPoint3d ComputeConnectorEndPoint() const;
	CXTPPoint3d ComputeConnectorVectorEndPoint(const CXTPPoint3d& point) const;
	void ComputeLabel_TwoColumn(const CSize& szLabel, const CPoint& ptAnchor);
	void ComputeLabel_Outside(const CSize& szLabel, const CPoint& ptAnchorOrigin,
							  const CPoint& ptAnchor);
	void ComputeLabel_InsideAndRadial(const CSize& szLabel, const CPoint& ptAnchor);

protected:
	CXTPChart3dPieSeriesLabelView* m_pSeriesLabelView;
	CXTPChart3dPieSeriesPointView* m_pPointView;
	CRect m_rcLabel;
	BOOL m_bFailed;
	double m_dConnectorLengthFactor;
	double m_dConnectorEndpointVerticalOffset;
};

AFX_INLINE BOOL CXTPChart3dPieSeriesLabelDeviceCommand::IsFailed() const
{
	return m_bFailed;
}

AFX_INLINE void CXTPChart3dPieSeriesLabelDeviceCommand::SetFailed()
{
	m_bFailed = TRUE;
}

AFX_INLINE CXTPChart3dPieSeriesLabelView*
	CXTPChart3dPieSeriesLabelDeviceCommand::GetSeriesLabelView() const
{
	return m_pSeriesLabelView;
}

AFX_INLINE CRect CXTPChart3dPieSeriesLabelDeviceCommand::GetLabelRect() const
{
	return m_rcLabel;
}

AFX_INLINE void CXTPChart3dPieSeriesLabelDeviceCommand::SetLabelRect(CRect rcLabel)
{
	m_rcLabel = rcLabel;
}

AFX_INLINE double CXTPChart3dPieSeriesLabelDeviceCommand::GetConnectorLengthFactor() const
{
	return m_dConnectorLengthFactor;
}

AFX_INLINE void CXTPChart3dPieSeriesLabelDeviceCommand::SetConnectorLengthFactor(double dFactor)
{
	m_dConnectorLengthFactor = dFactor;
}

AFX_INLINE double CXTPChart3dPieSeriesLabelDeviceCommand::GetConnectorEndpointVerticalOffset() const
{
	return m_dConnectorEndpointVerticalOffset;
}

AFX_INLINE void
	CXTPChart3dPieSeriesLabelDeviceCommand::SetConnectorEndpointVerticalOffset(double yOffset)
{
	m_dConnectorEndpointVerticalOffset = yOffset;
}

/**
 * @brief
 * Represents device command for all pie series labels view.
 */
class _XTP_EXT_CLASS CXTPChart3dPieSeriesLabelsViewDeviceCommand
	: public CXTPChart3dDeviceCommand
	, private CXTPChartDeviceCommandEvents
{
public:
	/**
	 * @brief
	 * Constructs a command object instance.
	 *
	 * @param pSeriesLabelsView View pointer.
	 */
	CXTPChart3dPieSeriesLabelsViewDeviceCommand(CXTPChart3dPieSeriesLabelsView* pSeriesLabelsView);

public:
	/**
	 * @brief
	 * Override this function to write the drawing code for specific objects.
	 *
	 * @param pDC A pointer to the chart device context.
	 */
	virtual void ExecuteOverride(CXTPChartDeviceContext* pDC);

private:
	CXTPChart3dPieSeriesLabel* GetLabel() const;
	void ComputeLabelConnectorVectors(CXTPChart3dDeviceContext* pDC, BOOL& bNeedComputeBends);
	BOOL ComputeBendBoundaries(CXTPChart3dDeviceContext* pDC, CRect& rcBounaries);
	void ComputeLabelConnectorBends(CXTPChart3dDeviceContext* pDC, CRect rcBoundaries);
	void ComputeLabels(CXTPChart3dDeviceContext* pDC);
	BOOL ResolveLabelOverlaps(CXTPChart3dDeviceContext* pDC, const CRect& rcBoundaries);
	BOOL ResolveLabelOverlaps_ChangePositionInColumn(CXTPChart3dDeviceContext* pDC,
													 BOOL bLeftDirected, const CRect& rcBoundaries);
	BOOL ResolveLabelOverlaps_ChangeConnectorLength(CXTPChart3dDeviceContext* pDC);

	CXTPChart3dPieSeriesLabelDeviceCommand*
		FindLabelDeviceCommand(CXTPChartDeviceCommand* pCommand) const;

private:
	virtual void OnAfterExecute(CXTPChartDeviceCommand* pCommand, CXTPChartDeviceContext* pDC);

	struct CommandCallbackData
	{
		enum State
		{
			None,
			ComputeVector,
			ComputeBend,
			ComputeBendConnector,
			ColumnAnchorVericalPosition
		};

		CommandCallbackData(State state = None);
		void SwitchTo(State state);
		State GetState() const;

		BOOL bSuccess;				   /**< for all*/
		CXTPChart3dDeviceContext* pDC; /**< for ComputeVector, ComputeBend, ComputeBendConnector,
											ColumnAnchorVericalPosition*/
		CXTPChart3dPieSeriesLabelDeviceCommand* pLabelCommand; /**< for ComputeVector,
																	ComputeBendConnector*/
		const CXTPPoint3d* ptBend;							   /**< for ComputeBend*/
		LPRECT prcBoundaries; /**< for ComputeBend, ComputeBendConnector*/
		int nNewYPos;		  /**< for ColumnAnchorVericalPosition*/

	private:
		State state;
	};

	CommandCallbackData m_CommandCallbackData;

protected:
	CXTPChart3dPieSeriesLabelsView* m_pSeriesLabelsView; /**< View pointer*/
};

AFX_INLINE void
	CXTPChart3dPieSeriesLabelsViewDeviceCommand::CommandCallbackData::SwitchTo(State newState)
{
	*this = CommandCallbackData(newState);
}

AFX_INLINE CXTPChart3dPieSeriesLabelsViewDeviceCommand::CommandCallbackData::State
	CXTPChart3dPieSeriesLabelsViewDeviceCommand::CommandCallbackData::GetState() const
{
	return state;
}

AFX_INLINE CXTPChart3dPieSeriesLabelsViewDeviceCommand::CommandCallbackData::CommandCallbackData(
	State state)
	: bSuccess(FALSE)
	, pDC(NULL)
	, pLabelCommand(NULL)
	, ptBend(NULL)
	, prcBoundaries(NULL)
	, state(state)
{
}
/** @cond */
#	include "Common/Base/Diagnostic/XTPEnableNoisyWarnings.h"
#endif //#if !defined(__XTPCHART3DPIESERIESLABELSVIEWDEVICECOMMAND_H__)
	   /** @endcond */