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27 #ifndef DBAUI_CONNECTIONLINE_HXX
28 #define DBAUI_CONNECTIONLINE_HXX
29 
30 #ifndef _SV_GEN_HXX
31 #include <tools/gen.hxx>
32 #endif
33 #ifndef _STRING_HXX
34 #include <tools/string.hxx>
35 #endif
36 #ifndef DBAUI_CONNECTIONLINEDATA_HXX
37 #include "ConnectionLineData.hxx"
38 #endif
39 #include <functional>
40 
41 class OutputDevice;
42 namespace dbaui
43 {
44 
45 	//==================================================================
46 	// ConnData		---------->*	ConnLineData
47 	//    ^1							^1
48 	//    |								|
49 	//	Conn		---------->*	ConnLine
50 	//==================================================================
51 
52 	/*
53 		the class OConnectionLine represents the graphical line between the to two windows
54 	**/
55 	class OConnectionLineData;
56 	class OTableConnection;
57 	class OTableWindow;
58 	class OConnectionLine
59 	{
60 		OTableConnection*		m_pTabConn;
61 		OConnectionLineDataRef	m_pData;
62 
63 		Point					m_aSourceConnPos,
64 								m_aDestConnPos;
65 		Point					m_aSourceDescrLinePos,
66 								m_aDestDescrLinePos;
67 	public:
68 		OConnectionLine( OTableConnection* pConn, OConnectionLineDataRef pLineData );
69 		OConnectionLine( const OConnectionLine& rLine );
70 		virtual ~OConnectionLine();
71 
72 		virtual OConnectionLine& operator=( const OConnectionLine& rLine );
73 
74 		Rectangle			GetBoundingRect();
75 		sal_Bool				RecalcLine();
76 		void				Draw( OutputDevice* pOutDev );
77 		bool				CheckHit( const Point& rMousePos ) const;
78 		String				GetSourceFieldName() const { return m_pData->GetSourceFieldName(); }
79 		String				GetDestFieldName() const { return m_pData->GetDestFieldName(); }
80 
81 		sal_Bool				IsValid() const;
82 
83 		Rectangle			GetSourceTextPos() const;
84 		Rectangle			GetDestTextPos() const;
85 
86 		OConnectionLineDataRef	GetData() const { return m_pData; }
87 
88 		Point				getMidPoint() const;
89 	};
90 	/// unary_function Functor object for class OConnectionLine returntype is void
91 	/// draws a connectionline object on outputdevice
92 	struct TConnectionLineDrawFunctor : ::std::unary_function<OConnectionLine*,void>
93 	{
94 		OutputDevice* pDevice;
95 		TConnectionLineDrawFunctor(OutputDevice* _pDevice)
96 		{
97 			pDevice = _pDevice;
98 		}
99 		inline void operator()(OConnectionLine* _pLine)
100 		{
101 			_pLine->Draw(pDevice);
102 		}
103 	};
104 	/// binary_function Functor object for class OConnectionLine returntype is bool
105 	/// checks if the point is on connectionline
106 	struct TConnectionLineCheckHitFunctor : ::std::binary_function<OConnectionLine*,Point,bool>
107 	{
108 		inline bool operator()(const OConnectionLine* lhs,const Point& rhs)	const
109 		{
110 			return lhs->CheckHit(rhs);
111 		}
112 	};
113 
114 }
115 #endif // DBAUI_CONNECTIONLINE_HXX
116