dbaccess/source/ui/inc/ConnectionLine.hxx

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  30 #ifndef DBAUI_CONNECTIONLINE_HXX
  31 #define DBAUI_CONNECTIONLINE_HXX
  32
  33 #ifndef _SV_GEN_HXX
  34 #include <tools/gen.hxx>
  35 #endif
  36 #ifndef _STRING_HXX
  37 #include <tools/string.hxx>
  38 #endif
  39 #ifndef DBAUI_CONNECTIONLINEDATA_HXX
  40 #include "ConnectionLineData.hxx"
  41 #endif
  42 #include <functional>
  43
  44 class OutputDevice;
  45 namespace dbaui
  46 {
  47
  48     //==================================================================
  49     // ConnData         ---------->*    ConnLineData
  50     //    ^1                                                    ^1
  51     //    |                                                             |
  52     //  Conn            ---------->*    ConnLine
  53     //==================================================================
  54
  55     /*
  56         the class OConnectionLine represents the graphical line between the to two windows
  57     **/
  58     class OConnectionLineData;
  59     class OTableConnection;
  60     class OTableWindow;
  61     class OConnectionLine
  62     {
  63         OTableConnection*               m_pTabConn;
  64         OConnectionLineDataRef  m_pData;
  65
  66         Point                                   m_aSourceConnPos,
  67                                 m_aDestConnPos;
  68         Point                                   m_aSourceDescrLinePos,
  69                                 m_aDestDescrLinePos;
  70     public:
  71         OConnectionLine( OTableConnection* pConn, OConnectionLineDataRef pLineData );
  72         OConnectionLine( const OConnectionLine& rLine );
  73         virtual ~OConnectionLine();
  74
  75         virtual OConnectionLine& operator=( const OConnectionLine& rLine );
  76
  77         Rectangle                       GetBoundingRect();
  78         BOOL                            RecalcLine();
  79         void                            Draw( OutputDevice* pOutDev );
  80         bool                            CheckHit( const Point& rMousePos ) const;
  81         String                          GetSourceFieldName() const { return m_pData->GetSourceFieldName(); }
  82         String                          GetDestFieldName() const { return m_pData->GetDestFieldName(); }
  83
  84         BOOL                            IsValid() const;
  85
  86         Rectangle                       GetSourceTextPos() const;
  87         Rectangle                       GetDestTextPos() const;
  88
  89         OConnectionLineDataRef  GetData() const { return m_pData; }
  90
  91         Point                           getMidPoint() const;
  92     };
  93     /// unary_function Functor object for class OConnectionLine returntype is void
  94     /// draws a connectionline object on outputdevice
  95     struct TConnectionLineDrawFunctor : ::std::unary_function<OConnectionLine*,void>
  96     {
  97         OutputDevice* pDevice;
  98         TConnectionLineDrawFunctor(OutputDevice* _pDevice)
  99         {
 100             pDevice = _pDevice;
 101         }
 102         inline void operator()(OConnectionLine* _pLine)
 103         {
 104             _pLine->Draw(pDevice);
 105         }
 106     };
 107     /// binary_function Functor object for class OConnectionLine returntype is bool
 108     /// checks if the point is on connectionline
 109     struct TConnectionLineCheckHitFunctor : ::std::binary_function<OConnectionLine*,Point,bool>
 110     {
 111         inline bool operator()(const OConnectionLine* lhs,const Point& rhs)     const
 112         {
 113             return lhs->CheckHit(rhs);
 114         }
 115     };
 116
 117 }
 118 #endif // DBAUI_CONNECTIONLINE_HXX