
///////////////////////////////////////////////////////////
//                                                       //
//                         SAGA                          //
//                                                       //
//      System for Automated Geoscientific Analyses      //
//                                                       //
//                    User Interface                     //
//                                                       //
//                    Program: SAGA                      //
//                                                       //
//-------------------------------------------------------//
//                                                       //
//                    WKSP_Shapes.h                      //
//                                                       //
//          Copyright (C) 2005 by Olaf Conrad            //
//                                                       //
//-------------------------------------------------------//
//                                                       //
// This file is part of 'SAGA - System for Automated     //
// Geoscientific Analyses'. SAGA is free software; you   //
// can redistribute it and/or modify it under the terms  //
// of the GNU General Public License as published by the //
// Free Software Foundation, either version 2 of the     //
// License, or (at your option) any later version.       //
//                                                       //
// SAGA is distributed in the hope that it will be       //
// useful, but WITHOUT ANY WARRANTY; without even the    //
// implied warranty of MERCHANTABILITY or FITNESS FOR A  //
// PARTICULAR PURPOSE. See the GNU General Public        //
// License for more details.                             //
//                                                       //
// You should have received a copy of the GNU General    //
// Public License along with this program; if not, see   //
// <http://www.gnu.org/licenses/>.                       //
//                                                       //
//-------------------------------------------------------//
//                                                       //
//    contact:    Olaf Conrad                            //
//                Institute of Geography                 //
//                University of Goettingen               //
//                Goldschmidtstr. 5                      //
//                37077 Goettingen                       //
//                Germany                                //
//                                                       //
//    e-mail:     oconrad@saga-gis.org                   //
//                                                       //
///////////////////////////////////////////////////////////

//---------------------------------------------------------
#ifndef _HEADER_INCLUDED__SAGA_GUI__WKSP_Shapes_H
#define _HEADER_INCLUDED__SAGA_GUI__WKSP_Shapes_H


///////////////////////////////////////////////////////////
//                                                       //
//                                                       //
//                                                       //
///////////////////////////////////////////////////////////

//---------------------------------------------------------
#include "wksp_layer.h"


///////////////////////////////////////////////////////////
//                                                       //
//                                                       //
//                                                       //
///////////////////////////////////////////////////////////

//---------------------------------------------------------
enum
{
	EDIT_SHAPE_MODE_Normal	= 0,
	EDIT_SHAPE_MODE_Split,
	EDIT_SHAPE_MODE_Move
};


///////////////////////////////////////////////////////////
//                                                       //
//                                                       //
//                                                       //
///////////////////////////////////////////////////////////

//---------------------------------------------------------
class CWKSP_Shapes : public CWKSP_Layer
{
public:
	CWKSP_Shapes(CSG_Shapes *pShapes);
	virtual ~CWKSP_Shapes(void);

	virtual TWKSP_Item			Get_Type				(void) { return( WKSP_ITEM_Shapes ); }

	CSG_Shapes *				Get_Shapes				(void) { return( (CSG_Shapes *)m_pObject ); }
	class CWKSP_Table *			Get_Table				(void) { return( m_pTable ); }

	virtual wxString			Get_Description			(void);

	virtual wxToolBarBase *		Get_ToolBar				(void);
	virtual wxMenu *			Get_Menu				(void);

	virtual bool				On_Command				(int Cmd_ID);
	virtual bool				On_Command_UI			(wxUpdateUIEvent &event);

	virtual wxString			Get_Value				(CSG_Point ptWorld, double Epsilon);

	int							Get_Field_Value			(void) { return( m_Stretch.Value  ); }
	int							Get_Field_Normal		(void) { return( m_Stretch.Normal ); }
	double						Get_Scale_Normal		(void) { return( m_Stretch.Scale  ); }
	int							Get_Field_Info			(void) { return( m_fInfo          ); }
	int							Get_Field_Label			(void) { return( m_Label.Field    ); }

	bool						Calculate_Geometry		(void);

	bool						Set_Diagram				(bool bShow, CSG_Parameters *pParameters = NULL);

	bool						is_Editing				(void) { return( m_Edit.pShape != NULL ); }

	virtual wxMenu *			Edit_Get_Menu			(void);
	virtual TSG_Rect			Edit_Get_Extent			(void);
	virtual bool				Edit_On_Key_Down		(int KeyCode);
	virtual bool				Edit_On_Mouse_Down		(const CSG_Point &Point, double ClientToWorld, int Key);
	virtual bool				Edit_On_Mouse_Up		(const CSG_Point &Point, double ClientToWorld, int Key);
	virtual bool				Edit_On_Mouse_Move		(wxWindow *pMap, const CSG_Rect &rWorld, const wxPoint &Point, const wxPoint &Last, int Key);
	virtual bool				Edit_On_Mouse_Move_Draw	(wxDC &dc      , const CSG_Rect &rWorld, const wxPoint &Point);
	virtual bool				Edit_Do_Mouse_Move_Draw	(bool bMouseDown);
	virtual bool				Edit_Set_Index			(int Index);
	virtual int					Edit_Get_Index			(void);
	virtual bool				Edit_Set_Attributes		(void);


protected:

	bool						m_bNoData;

	int							m_bVertices, m_fInfo;

	wxColour					m_Sel_Color;

	class CWKSP_Table			*m_pTable = NULL;

	class CStretch				{ public: int Value = -1, Normal = -1; double Scale = 1.; } m_Stretch;

	class CEdit					{ public: int Mode = 0, Index = -1, Part = -1, Point = -1; bool bGleam = false; wxColour Color; CSG_Shapes Shapes; CSG_Shape *pShape = NULL; } m_Edit;

	class CLabel				{ public: int Field = -1, Precision = -1, Effect = 0, Effect_Size = 1; wxColour Effect_Color; } m_Label;


	virtual void				On_Create_Parameters	(void);
	virtual void				On_DataObject_Changed	(void);
	virtual void				On_Parameters_Changed	(void);

	virtual int					On_Parameter_Changed	(CSG_Parameters *pParameters, CSG_Parameter *pParameter, int Flags);

	virtual void				On_Update_Views			(void);

	virtual void				On_Draw					(CSG_Map_DC &dc_Map, int Flags);

	bool						Get_Class_Color			(CSG_Shape *pShape, int &Color);

	CSG_Parameter *				BrushList_Add			(const CSG_String &ParentID, const CSG_String &Identifier, const CSG_String &Name, const CSG_String &Description);
	wxBrushStyle				BrushList_Get_Style		(const CSG_String &Identifier);

	CSG_Parameter *				PenList_Add				(const CSG_String &ParentID, const CSG_String &Identifier, const CSG_String &Name, const CSG_String &Description);
	int							PenList_Get_Style		(const CSG_String &Identifier);

	virtual void				Draw_Initialize			(CSG_Map_DC &dc_Map                   , int Flags)             = 0;
	virtual void				Draw_Shape				(CSG_Map_DC &dc_Map, CSG_Shape *pShape, int Flags)             = 0;
	virtual void				Draw_Label				(CSG_Map_DC &dc_Map, CSG_Shape *pShape, const wxString &Label) = 0;

	virtual void				Edit_Shape_Draw_Move	(wxDC &dc, const CSG_Rect &rWorld, const wxPoint &Point, const TSG_Point &ptWorld);
	virtual void				Edit_Shape_Draw_Move	(wxDC &dc, const CSG_Rect &rWorld, const wxPoint &Point);
	virtual void				Edit_Shape_Draw			(CSG_Map_DC &dc_Map);
	virtual int					Edit_Shape_HitTest		(const CSG_Point &Point, double max_Dist, int &iPart, int &iPoint);
	virtual void				Edit_Snap_Point_ToLine	(const CSG_Point &Point, CSG_Point &snap_Point, double &snap_Dist, CSG_Shape *pShape);


private:

	void						_LUT_Import				(void);

	void						_Draw_Shape				(CSG_Map_DC &dc_Map, CSG_Shape *pShape, int Flags     = 0);
	void						_Draw_Label				(CSG_Map_DC &dc_Map, CSG_Shape *pShape, int PointSize = 0);


	//-----------------------------------------------------
	// Charts...

	class CChart
	{
	public:

		bool					is_Valid				(void)	{	return( m_Fields.Get_Count() > 0 );	}

		bool					Set_Options				(const CSG_Shapes *pShapes,       CSG_Parameters &Parameters);
		bool					Get_Options				(const CSG_Shapes *pShapes, const CSG_Parameters &Parameters);

		void					Draw					(CSG_Map_DC &dc_Map, CSG_Shape *pShape);


	private:

		int						m_Type = 0;

		CSG_Points_Int			m_Fields;

		class CSize				{ public: int Size = 1, Field = -1, Type = 0; double Scale = 1., Range = 0.; } m_Size;

		void					_Draw_Pie				(CSG_Map_DC &dc_Map, CSG_Table_Record *pRecord, bool bOutline, int x, int y, int size);
		void					_Draw_Bar				(CSG_Map_DC &dc_Map, CSG_Table_Record *pRecord, bool bOutline, int x, int y, int sx, int sy);

	}							m_Chart;


	//-----------------------------------------------------
	// Editing...

	bool						_Edit_Shape				(void);
	bool						_Edit_Shape_Start		(void);
	bool						_Edit_Shape_Stop		(void);
	bool						_Edit_Shape_Stop		(bool bSave);
	bool						_Edit_Shape_Add			(void);
	bool						_Edit_Shape_Del			(void);
	bool						_Edit_Part_Add			(void);
	bool						_Edit_Part_Del			(void);
	bool						_Edit_Point_Del			(void);
	bool						_Edit_Merge				(void);
	bool						_Edit_Split				(void);
	bool						_Edit_Move				(bool bToggle = true);
    bool                        _Edit_Selection_Copy	(void);

	void						_Edit_Shape_Draw_Point	(wxDC &dc, TSG_Point_Int Point, bool bSelected);
	void						_Edit_Shape_Draw_Point	(wxDC &dc, int x, int y, bool bSelected);

	void						_Edit_Snap_Point		(CSG_Point &Point, double ClientToWorld);
	void						_Edit_Snap_Point		(const CSG_Point &Point, CSG_Point &snap_Point, double &snap_Dist, CSG_Shapes *pShapes, bool bLine);
	void						_Edit_Snap_Point		(const CSG_Point &Point, CSG_Point &snap_Point, double &snap_Dist, CSG_Shape *pShape);

};


///////////////////////////////////////////////////////////
//                                                       //
//                                                       //
//                                                       //
///////////////////////////////////////////////////////////

//---------------------------------------------------------
#endif // #ifndef _HEADER_INCLUDED__SAGA_GUI__WKSP_Shapes_H
