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[原创] CATIA二次开发入门教程---16 通过点击屏幕创建线

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CATIA二次开发入门教程---16 通过点击屏幕创建线
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和上面例子类似,这里需要手动添加一些action事件,在头文件里面新增加一个 indication,效果如下
$ S" u" m9 B9 S) r2 V create line.PNG
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代码如下:
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//-------------------------------------------------------------------------# E1 ]8 h5 G: ~) T" C
// Constructor
  y7 T  `( s0 t5 ]! C//-------------------------------------------------------------------------
% Y& G% b5 f9 b  x% `; UCreateLineCmd::CreateLineCmd() :. t8 r, s7 f1 Q7 r/ W1 D0 B
  CATStateCommand ("CreateLineCmd", CATDlgEngOneShot, CATCommandModeExclusive) 0 f7 z9 W( `1 f
//  Valid states are CATDlgEngOneShot and CATDlgEngRepeat
6 ?# o5 m9 j" x. _' a0 Y' I  ,_IndicationPoint1(NULL) ,_IndicationPoint2(NULL)9 z. }* s% b$ l  O! X2 U  s" P
{* o2 @  N, m5 B# F0 R
}
7 o& h' t5 k$ @7 m: b( M+ |4 T2 B//-------------------------------------------------------------------------
. b8 D5 V/ g+ @" c// Destructor% O" Y: Y0 W  I. m) l9 z2 D& N
//-------------------------------------------------------------------------1 n7 p% R/ N. G) u3 ^6 \
CreateLineCmd::~CreateLineCmd()$ {1 V6 H) ~- x6 m$ |1 k
{$ ~7 p1 \# y3 [, `
   if (_IndicationPoint1!= NULL)
+ C/ U- \, `- A8 `5 }      _IndicationPoint1->RequestDelayedDestruction();  ]% G% s+ b  e+ g
   if (_IndicationPoint2!= NULL) . Z2 j7 J% H; Z# ~+ f3 F. i0 S
    _IndicationPoint2->RequestDelayedDestruction();
7 p/ e4 b* ?" P0 g( a4 l4 S+ J
5 f  R# V# n. X( J' T% W+ O}( o+ ]+ F1 M% O( U# W

2 Q; Y  I+ Y$ l: s//-------------------------------------------------------------------------
% p1 Q4 h& I5 O& k- J// BuildGraph()0 ]$ W; I5 u6 Z
//-------------------------------------------------------------------------
& _+ {& _, R9 Jvoid CreateLineCmd::BuildGraph()
1 ^7 w3 t. r3 d& c{
% e, ?) J6 \1 ?' K
. J' I' Z0 k: q& h  // TODO: Define the StateChart : c0 E# y* K3 @, G. f# h
  // ---------------------------  F( E: C+ r1 k8 `( Q! }
  _IndicationPoint1 = new CATIndicationAgent ("IndicationOne");
4 V" A8 r3 g6 r6 w8 Y$ s- q  AddCSOClient(_IndicationPoint1);
5 P7 T" S* k5 b: O$ P3 _" Q  _IndicationPoint2 = new CATIndicationAgent ("IndicationTwo");
) I: b, Q/ o0 O, y8 E+ V. g  CATMathPlane PlaneXY;
+ X2 _5 U/ {! q1 n6 f. \) t! r; r  K  _IndicationPoint1 -> SetMathPlane (PlaneXY);
4 |' n+ b+ A) C' q: D( {  _IndicationPoint2 -> SetMathPlane (PlaneXY);. p& }1 q2 B9 c% }" b
  CATDialogState * initialState1 = GetInitialState("select first point");
5 J# D# O0 ?( G( s; |  initialState1 -> AddDialogAgent (_IndicationPoint1);1 a* D9 \* g/ B

6 Z6 U6 }5 Y/ |1 e+ z( p  CATDialogState * initialState2 = AddDialogState("select second point"); // add important
0 o( x8 _+ s) B! ]" k2 S7 c  initialState2 -> AddDialogAgent (_IndicationPoint2);
2 H2 O# B' Q  ~7 e
  \. Q3 D7 O9 ^6 z! g( r: T* z, f  
2 |* m( K# O9 V2 g6 D" q. f7 W3 N  AddTransition( initialState1, initialState2, / Q" O3 F& A4 F" |' O3 |* ^3 ~
                 IsOutputSetCondition (_IndicationPoint1),; e3 d" D/ t* o9 f& G) s7 s5 [1 G. G
                 Action ((ActionMethod) &CreateLineCmd::ActionOne));  i' ~/ Y" m) @5 s

8 U* O' H$ f9 J9 a+ R2 w  AddTransition( initialState2, NULL, 0 d1 ^' R4 V4 n1 g/ S9 L
   IsOutputSetCondition (_IndicationPoint2),! |1 P  B1 B4 J7 l
   Action ((ActionMethod) &CreateLineCmd::ActionTwo));* m5 X8 g2 E! f, @" b# s$ ]. @
}6 v$ y( T6 k8 i' g( f* r

( s3 P2 t- h/ Z' K" d( E//-------------------------------------------------------------------------) H& ?6 o: C$ `% P9 {5 \* K- Y
// ActionOne ()0 B4 C  U( d. P; j$ ?, ?  c
//-------------------------------------------------------------------------5 G/ B4 J( C* x& L9 [6 c4 F( u5 H
CATBoolean CreateLineCmd::ActionOne( void *data )
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1 s) B9 C3 p+ q6 g2 g6 V  // TODO: Define the action associated with the transition
$ t& D9 ]; P5 y4 k7 W  // ------------------------------------------------------2 c: l, j( \# W; Q' `9 G& t
  CATMathPoint2D point2D = _IndicationPoint1->GetValue();//获得一个2D的点' w# F" ^" z7 f7 a8 |& }5 ]
  CATMathPoint Point3D;
+ A5 \2 V9 L# W  CATMathPlane Plane = _IndicationPoint1->GetMathPlane();4 x* z+ G4 T! a
  Plane.EvalPoint(point2D.GetX(),point2D.GetY(),Point3D);  //将2D点转换为3D点
1 I* ^" q/ O' M5 ?2 g  K  //设置Container(非根节点)
" O% c; k) H+ D& ?* q  N  //获得Editor
- V% s% M3 L8 C' \' [/ B4 ]  CATFrmEditor* pEditor = CATFrmEditor::GetCurrentEditor();( M3 V3 @; G' l' a7 G& g
  //得到当前对象的文档
, S1 g* x/ u  s1 J7 V+ ~  CATDocument * pDocument = NULL ;
& G$ s3 l* q# w& ?& i  R8 q  //取得当前活动对象5 Z3 g1 h8 h& t% b3 u
  CATPathElement activePath = pEditor->GetUIActiveObject();
$ z) s" J2 _/ ~, {: @& G2 |  //取得当前活动的product* c$ x( C# |6 g2 I& m* B' Z) T6 h
  CATIProduct *pActiveProduct = (CATIProduct *)activePath.SearchObject(CATIProduct::ClassName());7 a( z. R! V% C$ ^
  //当前活动对象不存在7 O4 z/ D9 u9 ?
  if (pActiveProduct == NULL)
& W) `5 q( {+ Q  {3 o, x1 E3 P( _3 G  S7 _
    pDocument = pEditor->GetDocument();
' @+ L" E& d  v5 D# e7 W9 t6 Q  }
, {4 K9 w! V& r9 @" S  else+ T3 K# d: q: e' [" `
  {
  X+ j* |; v/ I: `$ S    CATIProduct_var spRef = pActiveProduct->GetReferenceProduct();+ y" ^" G( p5 a: c9 ?3 s  l- V3 e
    //当前对象的引用对象是否存在
4 ~. z1 H% w$ K- C- u    if ( NULL_var == spRef )7 o  d& m  k( @2 z. [' b
    {2 }& s3 p* R2 D$ W2 z: ]( m
      return FALSE;
" i) U  `  H+ D/ I! b* h+ y    }
. t* z  }' }9 @& o    //当前对象的链接对象! O4 H- n( q' c4 u6 Y7 [, R  Z9 v& _
    CATILinkableObject * piLinkableObject = NULL;
6 ]2 j8 U& y( E3 |    HRESULT rc = spRef->QueryInterface( IID_CATILinkableObject, (void**)& piLinkableObject );                           
& Z, l' _5 r' J: Y    if ( FAILED(rc) )5 t% u* v* l6 c9 p( @
    {
; @9 r" }4 Q' [$ _/ h1 Q      piLinkableObject->Release();
& Z9 ^- L8 [5 B, v1 g. ^      piLinkableObject = NULL ;  E* c9 m" z+ i
      return FALSE;
  m, W2 y3 a& U. B- \    }% [$ I7 y/ q2 h* a" p3 c
    //得到当前对象的文档
8 K6 i5 ]$ p" o* R( E! @" R- Y    pDocument = piLinkableObject->GetDocument();) Z- m, b. q) R9 U
    piLinkableObject->Release();% d" Q5 {$ B! S# G& Z! J$ z
    piLinkableObject = NULL ;
) @, N/ o3 E5 n5 W' X6 f    if ( NULL == pDocument)
1 u, k6 _; `. r: D) ^    {7 q& b! ^1 o( x. ?$ y$ i' B6 M4 o
      return FALSE;
, |$ \% k7 h5 J) S* ~: n    }7 q# \3 A$ t1 m! O. H
  }
& ^- n2 G5 r% w9 @  //得到文档容器集' \( r  \3 z/ i. L& e
  CATIContainerOfDocument * pIContainerOfDocument = NULL;) a2 u, j9 E2 H3 t* A4 O' h4 [$ ~
  HRESULT rc = pDocument->QueryInterface(IID_CATIContainerOfDocument, (void**)&pIContainerOfDocument);
# q) ~* |' A8 i, q9 u7 K; L  if (FAILED(rc)); K$ _, k- \% n( H; u# A, |% }
  {4 H/ q% e$ E' \. _
    //pIContainerOfDocument->Release();
+ h- H7 l' O9 O# `% T    pIContainerOfDocument = NULL ;4 m6 ]/ q( w9 l* t1 u( ^6 c
    return FALSE;
' U4 ]1 h% _) k9 D* x4 p  }
% j* V1 j+ x; |) @$ {3 Z! P2 H  //获得Document, G  m% j! f$ B% U$ x- O
  CATIContainer* _pContainer = NULL;
' \* A  d5 X! F' d. n  //获得SpecContainer
5 N* c( f& N% t/ s9 v( H  HRESULT hr = pIContainerOfDocument->GetSpecContainer(_pContainer);
2 ]4 ?* F. e- D! _6 `( o& K  cout << "container ok" <<endl;
7 ^! X9 N! o% i1 b% |7 ?! l0 n
6 c: d2 i' l1 o) l9 A  //GSM工厂
' P1 q: u5 N* E& G+ E  CATIGSMFactory_var spGSMFactory = NULL_var;0 V) A/ V5 \1 ~( a) _1 H: {' e
  //设置工厂  - B5 ~/ ^' M0 [' f- z
  spGSMFactory = _pContainer;         + v6 M. W9 M6 D1 T) {) G" Y# T+ `" r* B0 Z
  CATIGSMPoint_var spPoint = spGSMFactory->CreatePoint(Point3D);
3 d& t# \4 y) `, i, A  spSpecPoint1= spPoint;     
- j1 p# l7 m& R. r: e* D( _9 u  CATIGSMProceduralView_var spSndPntObj = spSpecPoint1;
7 v  K/ ]/ Q8 U2 u  //*将点显示在屏幕上7 ^7 d* W4 I, y, M- }& `( P
  spSndPntObj->InsertInProceduralView();
; H, G0 o1 f3 T cout << "create point ok" <<endl;
# A  s' f' z( m8 }4 h0 K/ ]: H  spSpecPoint1->Update();
) N8 h; R5 x" L7 W0 X& xcout << "update point ok" <<endl;
8 `8 z4 T/ M8 s9 i8 `, e. x  return TRUE;" |/ h, |: ^3 h& t% k7 |% ^4 q) Z
}
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: B8 ], x" ^6 c: ^. I# L& aCATBoolean CreateLineCmd::ActionTwo( void *data )
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// TODO: Define the action associated with the transition , `, Q8 s+ G) u7 u! [6 D
// ------------------------------------------------------2 |( C8 E. E' Z3 X) C' N
    CATMathPoint2D point2D = _IndicationPoint2->GetValue();//获得一个2D的点0 e$ f" a9 q: X& K# N
  CATMathPoint Point3D;  b/ i) S5 ^7 J6 K2 \& ~* q+ ^
  CATMathPlane Plane = _IndicationPoint2->GetMathPlane();3 n9 N3 C0 Q( N
  Plane.EvalPoint(point2D.GetX(),point2D.GetY(),Point3D);  //将2D点转换为3D点1 Y/ S9 u) w$ c3 ~8 C( c
  //设置Container(非根节点)/ I8 `. G  T% q3 V$ g& i$ d
  //获得Editor
" `/ f4 b/ m, r. k  CATFrmEditor* pEditor = CATFrmEditor::GetCurrentEditor();5 W! ~$ D! h% t8 q( h
  //得到当前对象的文档, l' `0 u, r6 p% A1 F
  CATDocument * pDocument = NULL ;* {, K7 j. z: s
  //取得当前活动对象- C; }3 J, H/ }, P  i
  CATPathElement activePath = pEditor->GetUIActiveObject();
$ G# E  b( n. F  //取得当前活动的product7 p9 A8 V( e# d* M2 W( ~
  CATIProduct *pActiveProduct = (CATIProduct *)activePath.SearchObject(CATIProduct::ClassName());+ W7 U% k& q8 ?; S+ `, S$ X
  //当前活动对象不存在
6 s) T! {' [3 x8 R. L. J/ p; `" j  if (pActiveProduct == NULL)! l' O% t# s5 R
  {
# }" ?( Q5 G8 W8 f    pDocument = pEditor->GetDocument();& I3 J  y2 `3 j" H1 Z9 b
  }8 D0 P" u" s, ^$ a' a
  else2 k9 n$ {0 y4 @  B4 P7 R: R& w
  {7 i# U# U6 S3 X% a7 A8 _) E9 `9 p
    CATIProduct_var spRef = pActiveProduct->GetReferenceProduct();1 n7 w4 q! ~( N7 `
    //当前对象的引用对象是否存在  U- U; e9 _+ ?
    if ( NULL_var == spRef )7 ~# J' S6 C" b
    {
# ^% B' f1 G4 r& W1 N      return FALSE;; E" V5 R4 y, }2 A
    }
/ m" S! x, {4 P/ w* M& N; Z    //当前对象的链接对象& y& p6 T2 G& H% X$ }
    CATILinkableObject * piLinkableObject = NULL;
6 V* _1 M5 R5 ]& [+ [    HRESULT rc = spRef->QueryInterface( IID_CATILinkableObject, (void**)& piLinkableObject );                            % n( A3 K7 A5 b4 G6 f
    if ( FAILED(rc) )" h2 u6 c9 t: z* [4 Q  C0 K- m' B8 S0 ^
    {
+ l$ X: {- _9 b      piLinkableObject->Release();
7 \/ n: `. P5 Z& M6 u5 z      piLinkableObject = NULL ;
' q5 V* ]4 h' f5 t      return FALSE;' M; b  G3 k+ V$ _
    }
- H# T, k4 X$ o9 ]* a: Q    //得到当前对象的文档( r9 ?, N3 i# s2 P8 n
    pDocument = piLinkableObject->GetDocument();
8 `2 Q% P* s- l; C    piLinkableObject->Release();
- c4 H" t2 A6 u7 ]7 Q    piLinkableObject = NULL ;
; z# b- d" n7 f4 n    if ( NULL == pDocument)
0 A) t1 {& c! O3 {' {& X* ?! B+ [, p    {2 B( b( I( C; {; i# I1 `
      return FALSE;
+ j3 z( ]- c9 `    }
8 x. Z6 W- Z6 K  }. E+ F2 k0 z1 s+ u
  //得到文档容器集
: a$ y6 E0 g4 m9 Q1 R9 l  CATIContainerOfDocument * pIContainerOfDocument = NULL;
% K9 O- n$ R$ C. @, g( w  HRESULT rc = pDocument->QueryInterface(IID_CATIContainerOfDocument, (void**)&pIContainerOfDocument);
. ^; G2 B. s4 q1 R  if (FAILED(rc))
) P/ N- i) f) {! |  {
: {" H( j! e/ O9 t+ k8 Y, N    //pIContainerOfDocument->Release();' @+ L2 E8 z, a% I; B& ~
    pIContainerOfDocument = NULL ;; t, G1 g5 u& @# }$ S8 y
    return FALSE;
  ?+ y! D2 z- [. \  }2 h9 |6 J0 B& n0 m$ ~) v. F# `) C
  //获得Document4 A* m" L3 W- v" G# _
  CATIContainer* _pContainer = NULL; " E3 ]( m4 a# `* ?
  //获得SpecContainer+ G) T- ]( a) V3 B+ _- j
  HRESULT hr = pIContainerOfDocument->GetSpecContainer(_pContainer);
8 C9 ^( H3 }# ?! k. I
. @; G  F8 e; ]) o! ^: n5 ]  //GSM工厂+ y+ B/ e: f% {) z# z
  CATIGSMFactory_var spGSMFactory = NULL_var;
# I! f2 w0 Z/ J4 u& ?5 G0 H0 B  //设置工厂  + `5 i! P; o7 d& Z0 [) o
  spGSMFactory = _pContainer;         % `0 n' O) R( ?! U/ r: Y
  CATIGSMPoint_var spPoint = spGSMFactory->CreatePoint(Point3D);
# J/ }$ d' A9 j/ S  CATISpecObject_var spSpecPoint2= spPoint;     ( |5 o$ t1 @& @- |, F1 J2 J( X( `
  CATIGSMProceduralView_var spSndPntObj = spSpecPoint2;2 p1 E, q" B/ Q$ f! A+ J8 t
  //*将点显示在屏幕上
% j, _1 S) g( J) z- L2 l) a, M6 ~  spSndPntObj->InsertInProceduralView();
8 D+ I' s$ _4 d# h) ]5 C9 F( R  spSpecPoint2->Update();
7 U7 G% Q2 f/ R. ]6 D  F0 w  //生成线
4 y# L( F& ~$ h% q% q) Z9 B  CATIGSMLinePtPt_var spLine = spGSMFactory->CreateLine(spSpecPoint1, spSpecPoint2, NULL_var);; X* t' g0 q/ j! w! j8 ]
  CATISpecObject_var spSpecLine= spLine;     
! l% u" g/ `1 _5 e/ W1 l  CATIGSMProceduralView_var spSndPntObjLine = spSpecLine;0 O4 l+ I" [! ~2 z2 [0 U
  //*将线显示在屏幕上* {( n/ A: `* e  o9 x+ q& F
  spSndPntObjLine->InsertInProceduralView();. [; y, M' x1 I* g5 p
  spSpecLine->Update();
) V; J! a! ?, B% O& O1 b, m& C& a
return TRUE;$ t6 @% I( i$ p; _% G
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