/**
 * @file  XTPChart2dPieSeriesLabel.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(__XTPCHART2DPIESERIESLABEL_H__)
#	define __XTPCHART2DPIESERIESLABEL_H__
/** @endcond */

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

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

class CXTPChartSeriesView;
class CXTPChartPieSeriesPointViewBase;
class CXTPChartPieSeriesStyleBase;

/**
 * @brief
 * CXTPChartPieSeriesLabelBase is a kind of CXTPChartPieSeriesLabel. This class
 * abstracts the label of a pie series.
 */
class _XTP_EXT_CLASS CXTPChartPieSeriesLabel : public CXTPChartPieSeriesLabelBase
{
	DECLARE_SERIAL(CXTPChartPieSeriesLabel);

public:
	/**
	 * @brief
	 * Constructs a CXTPChartPieSeriesLabel object.
	 */
	CXTPChartPieSeriesLabel();

protected:
	/**
	 * @brief
	 * This function creates the view of the pie series.
	 *
	 * @param pDC The chart device context object pointer.
	 * @param pPointView The series point view.
	 * @param pParentView   The pointer to the parent view object.
	 *
	 * @return
	 * Returns a pointer to the associated label view object.
	 */
	virtual CXTPChartElementView* CreateView(CXTPChartDeviceContext* pDC,
											 CXTPChartSeriesPointView* pPointView,
											 CXTPChartElementView* pParentView);

public:
	/**
	 * @brief
	 * Call this function to calculate the anchor points and angles of the
	 * pie label stem.
	 *
	 * @param pPointView       The pie series point view.
	 * @param borderThickness  The border thickness of the label.
	 * @param lineAngle        The line(stem) angle, out param.
	 *
	 * @return
	 * Returns a CXTPChartPointF object denoting the anchor point.
	 */
	CXTPChartPointF CalculateAnchorPointAndAngles(CXTPChartPieSeriesPointViewBase* pPointView,
												  int borderThickness, double& lineAngle);
};

/**
 * @brief
 *  Defines 2D series label view.
 */
class _XTP_EXT_CLASS CXTPChartPieSeriesLabelView : public CXTPChartPieSeriesLabelViewBase
{
public:
	/**
	 * @brief
	 *  Constructs a CXTPChartPieSeriesLabelView object.
	 *
	 * @param pLabel Associated label model pointer.
	 * @param pPointView Point view object pointer associated with the label.
	 * @param pParentView Parent view pointer.
	 */
	CXTPChartPieSeriesLabelView(CXTPChartSeriesLabel* pLabel, CXTPChartSeriesPointView* pPointView,
								CXTPChartElementView* pParentView);

public:
	/**
	 * @brief
	 *  Calculates label and connector layout for the device context specified.
	 *
	 * @param pDC Device context pointer.
	 */
	void CalculateLayout(CXTPChartDeviceContext* pDC);

	/**
	 * @brief
	 *  Creates connector drawing device command for the device context specified.
	 *
	 * @param pDC Device context pointer for which the drawing command is to be created.
	 *
	 * @return
	 *  A new instance of connector drawing device command or NULL if no command
	 *  is provided.
	 */
	virtual CXTPChartDeviceCommand* CreateConnectorDeviceCommand(CXTPChartDeviceContext* pDC);

	/**
	 * @brief
	 *  Creates view drawing device command for the device context specified.
	 *
	 * @param pDC Device context pointer for which the drawing command is to be created.
	 *
	 * @return
	 *  A new instance of view drawing device command or NULL if no command
	 *  is provided.
	 */
	virtual CXTPChartDeviceCommand* CreateDeviceCommand(CXTPChartDeviceContext* pDC);

protected:
	CXTPChartRectF m_rcBounds;		/**< The determined boundary rectange.*/
	CXTPChartPointF m_ptStartPoint; /**< The determined connector start point.*/
	double m_dLineAngle;			/**< The determined connector line angle.*/

	friend class CXTPChartPieSeriesLabelsView;
};

/**
 * @brief
 *  Defines 2D series label collection view.
 */
class _XTP_EXT_CLASS CXTPChartPieSeriesLabelsView : public CXTPChartPieSeriesLabelsViewBase
{
public:
	/**
	 * @brief
	 *  Constructs a CXTPChartPieSeriesLabelsView object.
	 *
	 * @param pParentView Parent view pointer.
	 */
	CXTPChartPieSeriesLabelsView(CXTPChartElementView* pParentView);

public:
	/**
	 * @brief
	 *  Creates a view drawing device command for the device context specified.
	 *
	 * @param pDC Device context pointer for which the drawing command is to be created.
	 *
	 * @return
	 *  A new instance of view drawing device command or NULL if no command
	 *  is provided.
	 */
	virtual CXTPChartDeviceCommand* CreateDeviceCommand(CXTPChartDeviceContext* pDC);

	/**
	 * @brief
	 *  Resolves label overlapping in an implementation specific way.
	 */
	virtual void ResolveOverlapping();

protected:
	/**
	 * @brief
	 *  Resolves label overlapping for column mode.
	 *
	 * @param arrColumn Label collumn array reference.
	 */
	void ResolveOverlappingColumn(
		CArray<CXTPChartPieSeriesLabelView*, CXTPChartPieSeriesLabelView*>& arrColumn);
};
/** @cond */
#	include "Common/Base/Diagnostic/XTPEnableNoisyWarnings.h"
#endif //#if !defined(__XTPCHART2DPIESERIESLABEL_H__)
	   /** @endcond */