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CAA开发之文档操作
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: c; y t& i/ e- s6 E0 p, P& [+ @CAA开发中经常会遇到对模型文件的创建 ,加载 ,删除 和保存等操作,项目开发中可针对通用功能对基本方法进行封装。本文梳理文档操作的基本方法,并举例对部分方法进行封装,仅供参考。
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CAA中对文档操作的基本步骤如下:
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创建会话 - creating the session
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7 l' |8 V( B3 j0 O. H/ A新建文档 - creating a new document
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. _4 P' e( `, d O" j: l调用接口 - Query Interface
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获取根容器 - retrieving the root container
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保存文档 - saving the document
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删除文档 - removing the document+ d" f& c9 [- M' F
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删除会话 - deleting the session
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$ h; Y3 O: J7 @$ s上述步骤详细说明参考百库全书技术文章 Creating a New Document。, ]$ Q6 h! N2 \) _+ C- N6 D2 g2 D
- q! p( X9 [% F# Z( `$ A文档(CATDocument)的操作主要依赖于CATDocumentServices 类,该类服务于文档的所有基本操作方法。通常用于批处理中对文档进行不可见的操作,如创建,打开,保存等。, `- ?4 D9 i( p4 T' \ N
3 `% A9 S2 V8 x9 m下文将对各步骤进行补充说明。
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v0 J# v7 Q# o0 Q0 m. C1 文档创建(Create the new document)% \) J0 r ]: c" k; F! R
文档的创建通常有以下几种方式。可比较CATIA中文件菜单项7 `6 C; k1 q0 c# r; z0 {
New:新建一个空文档
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! d ? `# h+ P; zNewFrom:新建自
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新建文档代码:
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6 R+ \# {# `* p8 vCATDocument* pDoc = NULL;" _* R) F7 D h8 @% l6 T
HRESULT rc = CATDocumentServices::New("Part",pDoc);
* k N- P- X7 oif (NULL != pDoc). h% g$ \ Z* U5 S4 T: }
{) ~) |# ~% Z: g( d8 P
cout << "New document created OK" << endl << flush;6 H& H: O0 `3 R( b1 V' G7 {$ H, k; X1 |
}; U* g: m+ Z1 Z5 l' R
else
7 ?7 _9 d6 ~, R5 f1 T. m) [: i{" b* E, T% x2 R- t* K7 L
cout << "ERROR in creating New document" << endl << flush;
# d2 I5 m( S6 v8 M9 n return 2;+ Z6 j( U) y9 K3 \8 ^7 c1 ?# R" c6 H
}
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2 文档加载(Load the document)$ q7 \( ~# N( Q* t8 m
文档加载即打开现有文档,主要方法包括: a% I( a/ P' s! j' D( d+ l% }
CATIIniInteractiveSession 中Open方法:打开文档并可视化显示
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CATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行3 X* F" S# J2 T. J
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Open方法:
# N0 D' b6 Y$ T4 c! Q) c: nCATDocument *pInstrumentDoc = NULL;* P9 E# ^! ~. X
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CATIIniInteractiveSession *piSession=NULL;
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$ H( o j2 S' c+ t0 S% c3 I$ L2 D9 ^0 gCATSession *pSession = NULL;. x% j D7 s0 N! {* X" e
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rc = ::GetPtrSession(pSession);
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rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);, s4 Q& ?/ V8 W( P4 E ]( `
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CATIEditor *piEditor=NULL;. ^7 r. W# u# \- U+ V E S, }
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rc = piSession->Open(PathName,FALSE,&piEditor);
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CATFrmEditor * pFrmEditor = piEditor->GetEditor();( l [6 b# D& G( R" \
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pInstrumentDoc = pFrmEditor->GetDocument();
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......
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OpenDcument方法:. I( N8 F+ _) j
" k8 } @/ e! W3 pCATDocument *pDoc = NULL;
, E& G* ?! P' K! [) v, i" B" L# ~CATUnicodeString storageName = "XXXX"; //文档保存路径名
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! ^* K2 A8 t; m0 F% s$ W9 A3 ~) k ^rc = CATDocumentServices::OpenDocument (storageName , pDoc);0 [: N- I# |7 B! b/ j
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if (SUCCEEDED(rc) && (NULL != pDoc))" z5 k" }; i4 p
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cout << "Document opened OK" << endl << flush;; `! w+ \( O, u" G- B
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else1 }- W8 [; L% L H8 {# ^, ?2 Z& j
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cout << "ERROR in opening an existing document" << endl << flush;( e( V2 F( \5 p
return 2;! `) r! J5 \$ P
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3 获取当前文档
3 y1 m& a7 V N7 C+ O: ]& ^获取当前文档,即获取文档指针*pDoc.上述方法都能获取该指针,但通常对文档操作是基于当前环境的,尤其是交互操作过程中,获取该文档指针之后才能对模型特征进行后续处理。获取当前编辑环境下文档指针方法如下,% y9 a8 S3 K. \3 S7 B8 {# A9 k
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CATFrmEditor * pEditor = GetEditor();3 X( M9 V4 l6 v, y3 Y8 L. Y
if (NULL != pEditor )
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cout << "Editor got OK" << endl << flush;3 i# j4 T# I. F. e# U
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else
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cout << "ERROR in getting the current editor" << endl << flush;, I4 w0 g& L( ~, d! C/ W
return 1;- }3 d3 b0 G3 C# N3 |" c
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CATDocument *pDoc = pEditor->GetDocument();
' e! G7 P* ]4 C& Q" U3 i! kif (NULL != pDoc)# u/ z4 o- S6 q9 `1 a* L+ E: B. I# l
{
9 {( K: D! J9 i C0 b, x* w cout << "Document opened OK" << endl << flush;* d0 K* I9 O6 m. f2 _0 C% d3 c
}
7 A; t: M0 z1 c; m$ g& g8 Pelse
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; T# A1 r8 m! C. M; O9 A* I cout << "ERROR in opening an existing document" << endl << flush;
' ^3 C+ U: v" g9 x return 2;
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- Z* t n, `$ C2 z* v* Z 该指针的获取还有其他方式,如通过CATILinkableObject 类获取。$ e% S& A$ c# _. {
4 保存文档(Save the Document)
v1 o( E6 s* [% x4.1 另存:即保存为新模型: Z8 a1 c0 {$ ~ Y: D
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CATUnicodeString savePath = "XXXX"; //文档保存路径2 y# j& a' F/ A' T a1 e% q
rc = CATDocumentServices::SaveAs (*pDoc, savePath );: ~# Q3 t3 S7 U1 ?6 X
if (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;
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else
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cout << "ERROR in saving document" << endl << flush;
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9 d! o9 Q3 V- ~( U4.2 保存:不更新保存路径( e* p2 Z8 u. Y& T
rc = CATDocumentServices::Save (*pDoc);% R4 n1 Q5 w% L$ I I
! H* \( R$ e+ M, ?# I; Qif (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;
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else
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cout << "ERROR in saving document" << endl << flush;4 Y& G9 k! p9 g' i
return 3;
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5 删除(Remove the document)
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rc = CATDocumentServices::Remove (*pDoc);; w$ [/ C- e4 U; F3 @& F
if (SUCCEEDED(rc))( N9 U! C. ? Q! k& m
{- ~8 ~' U( l' t7 a1 p
cout << "Document removed OK" << endl << flush;
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else' j- r" W, U! O
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cout << "ERROR in removing document" << endl << flush;
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! z2 H- i3 s3 J s0 J1 }+ O方法封装$ l% X r: S* R* s# y' z
上述是对文档操作的基本方法,在实际项目开发中,该类操作使用比较频繁,通常只需要获取相应的指针即可,如对本地模型的特征操作,我们需要加载本地模型文档——获取其文档指针——获取其容器——获取其根节点。每次操作都是这关键的几个步骤,不同之处在于模型的本地路径,以及相应的模型在模型树上的根节点。因此,我们可以对文档加载方法进行封装,即输入设置为文档路径,输出为该模型在模型树上的根节点指针。如“打开文件”操作,封装成OpenCATFile方法如下
+ h% n5 D1 l5 }输入:% H* Y8 h/ J5 F6 w, c& u
CATUnicodeString PathName //文档(模型)的路径) ~. L) ^4 \5 k8 J
输出:
: q; Z1 j2 g/ D7 kCATIProduct ** opiSonProd //文档(模型)的指针, G1 o9 W3 Z9 e
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辅助功能函数:
. W: t7 S6 G: L* {# p获取当前模型树根节点+ ?. V/ P) f( I! U/ ?; I# u% c
模型加载后可视化. b3 |" N# ^! H5 |
刷新根节点
# R4 j, B. F, M4 n8 j----->打开文件; u5 d+ X! f+ t, Y1 X8 A
CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)" N) s9 V% l' }. w
{
( B; c. K r9 v4 K6 n. W& `HRESULT rc=E_FAIL;
3 O- U6 w' F. X( _+ A6 ECATBaseUnknown * pRootProduct = NULL;
" u$ F% r" J3 G/ k9 ~CATIProduct *piRootProduct = NULL;
- r9 V7 K0 A5 L( ~5 p+ Rrc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点
* ~: k" H/ n9 t, hif (SUCCEEDED(rc))8 L+ K# I- e1 u
{
0 {, Z! H2 J+ u4 H6 y. P" R9 grc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);
( O) _0 Z+ B) Eif (SUCCEEDED(rc)&&NULL!= piRootProduct). B) g; r3 Z' r- t
{8 {0 @; B( X7 m: {) j) d
CATDocument *pInstrumentDoc = NULL;
3 C: U& K) R/ F1 `: t8 O# b- i7 rCATIIniInteractiveSession *piSession=NULL;. }4 f0 Z9 {& o4 j" ~
CATSession *pSession = NULL;4 d. Q5 h W: h1 i6 C
rc = ::GetPtrSession(pSession);( `0 K) P9 t4 g l K; ^ ]
rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);0 z; W0 N+ L% o3 C, U, H% P& X7 c8 o
CATIEditor *piEditor=NULL;
. d& l, A3 s: Irc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;
0 I6 p0 h& r/ C, [! W2 i( T% e8 zif ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )) T1 y \) B; `3 c; I" [1 x8 Q6 b; I
{ cout <<"The document" <<PathName<< " is opened" << endl ; }
: H& T( l; l* E$ N- o. `8 A2 ielse o% X1 p0 [9 c) q6 M$ I( Q
{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }" O+ n5 t- o5 O, M- G0 w$ t* B
CATIProduct *piInstanceProd=NULL;" j- S8 f0 a/ ^: F4 \2 N( U% {
rc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下
5 j6 n4 _& Y, M( s1 h; L: E* M# |if ( FAILED(rc) ) return FALSE;
/ o0 o- P; w5 F// rc = piSession->Close(piEditor); 4 X$ |( f+ R5 f' j1 w
* opiSonProd=piInstanceProd;1 `; M1 ^; g# N3 ] }- N1 D3 e
XXXFunction::UpdateProductRoot(); //更新根节点
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8 |0 Q( h9 P) r" ]}
- D& Q7 M* S) r7 }4 _return TRUE;4 y% c/ `9 y+ [' z+ n
}4 r$ P+ Y# ^: C F. a
----->加载模型可视化
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HRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)) ~" J4 ~) o9 b# d! Y0 y
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& V- f+ l4 N) z1 G! Q, H //AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP); 4 [' v! |# P$ g# d) k/ f. h
4 h- t+ [, y: Q; B //AddExternalComponent全局函数所需的三个参数,
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) b# ]& X: T5 J4 ~! p //被**的product document的root product,CATIProduct类型
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( {5 A- |1 D: O5 r1 d( G8 x //将要**的part document,CATDocument类型
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! J6 l+ E0 F( N //the product instance of the imported document: `$ C$ u9 X* O% W# Q! e9 Y
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//注意要**的document也要检索它的root product5 W2 p; Q& n" g5 N1 T) Z7 Y1 F
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cout<<"添加组件执行"<<endl;: H" G2 @; b8 n* o" m; A& Q
. q8 i( h& U! X7 T; F, [9 b HRESULT rc = E_FAIL;) P$ A' h% u; ?8 h" G+ {* s. F
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if (! ipiFatherProd) return E_FAIL; - \+ P7 s6 w( }4 M) ]- H9 K9 ?$ x
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if (! opiSonProd) return E_FAIL; - o2 z1 x2 p: d! X" e$ o( t1 g8 e) l
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if ( NULL != iDocument)
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{& {& @1 t" A6 K% f' j
4 O$ x' O; G/ `- O0 `$ j8 G3 O // Get RootProduct of the document to import.! U5 c. z0 \! K; j
) r) i1 l0 m0 E( P( D CATIDocRoots *piDocRootsOnDoc = NULL;4 i% y* t* m. |8 I
9 [( `" H2 m& s
rc = iDocument->QueryInterface(IID_CATIDocRoots,. U( O2 l: p; |
0 G) _ [7 n. E
(void**) &piDocRootsOnDoc);. l0 z" x% @4 @, m n5 R, ?' |
: _5 p, }( E! \3 d; Z {
if ( FAILED(rc) ) return rc;% D$ w. H( f ~3 e$ ^
' N+ q* y+ b0 `
CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();& b' ]: S% |* D% u% ?7 o2 a! o: S
. w/ D8 ] M2 z) H" p, c0 Z" p& c" }- x CATIProduct_var spRootProduct = NULL_var;
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if (NULL != pRootProducts)4 H' G4 K9 v5 s# a2 L9 w0 Z P
: i3 k2 [$ f2 \# t
{
$ M# j- R1 p7 }' m2 l; r8 g7 b! H- K7 K5 m
if (pRootProducts->Size())1 b0 L L0 [1 d$ ~
" o+ c9 E) l j. p; ^8 G% A { ) q# |0 A* P1 i T
) e# \( J* w8 f8 w' h! ^9 W4 d spRootProduct = (*pRootProducts)[1];
: U; ~5 ]/ J5 W; X- ^
' Q' p, a5 V! ~ delete pRootProducts;
9 r2 L' U! }" q$ ?
; Y, A; V- N& w, l7 Y0 b pRootProducts = NULL;
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' G3 d4 y5 \- Z1 `% r# _! V2 d" b0 N }7 }( F" A- z; u
& u" f. x. w% S6 r
piDocRootsOnDoc->Release();& I6 K8 ~2 @$ V& Q
0 r& l* s+ P: N6 c piDocRootsOnDoc=NULL;7 U( ^5 N7 |% B, k
$ e- f& S6 `- h) | CATIProduct_var spProduct = NULL_var;
; i+ ~, |3 _0 C! Z
+ e% f, B4 F: R e" `7 `; |" R# t if (NULL_var != spRootProduct)! i* U. s0 C7 a! K2 k V
1 H Q: S6 q9 i( v( j) r {3 `4 G/ Z! l8 l9 i
' L4 y; a6 ?% k& I# g4 V spProduct = ipiFatherProd->AddProduct(spRootProduct);" @/ \" U& q1 Z. g0 C: k$ N9 E
1 l2 x' j! K+ Z$ T v0 N! O cout<<"NULL_var != spRootProduct"<<endl;
# z* }. Q, ]7 x" h2 I
2 `: w8 _, ^2 E$ _- O: w ~/ |! S }6 Q& u" s" G3 ^
4 z! Q a% n" V else! k: R9 ~; `2 B8 x
q: \- j! T, c" S+ U6 S {
9 P& ~4 h3 B$ h9 T+ p- {
7 H, F e, H6 A1 A CATUnicodeString docName = iDocument-> StorageName();" U: ^, T! H8 V) O6 L' ^1 Q
/ Y! R# G8 ?' V4 r
ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);
+ Z9 u6 z8 L* _2 l7 `# Z9 ~
! H8 ]+ _0 M" }9 q% ], m" | }& A: V. U* s0 H6 a! _8 a0 G
( N1 ?2 ~5 Q- J ]& c
if (NULL_var != spProduct)# B$ K- F' I0 s" a7 j" @6 P; S
4 x$ |5 `2 f# K* F5 b {
, V4 |$ ^0 f! N# [- P! E6 D3 D- e3 |* d
rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);
C% U# X4 ~4 K' X
" x( I W4 _( e if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;) `' F1 I% K+ r
C& ?& x2 E/ w2 `: ?2 t
}
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- T) G7 _5 K$ N3 a. V/ u {# R+ S } ! y$ u& L5 _' C* N
# I) X' J# _4 p% r( _- L }# G7 ]- }& Y& W- w) k/ ^# Y
0 e1 s- ~: l' U# w return rc;
i2 Z8 B6 h3 y% y% E
1 m* l" ]+ E/ i8 h} 2 A r+ g# o' V b+ d" Z3 _8 @
6 p4 _, r5 F4 i/ |& E" H6 W* Y$ G----->刷新模型根节点
7 p B5 x, y4 P, ?7 b1 P3 K: O1 H) P% `/ E3 f$ V
void XXXFunction::UpdateProductRoot()
% F' [" K$ O9 q" I8 z7 B, @
8 o2 \& E" |) s{ P4 n% y/ `; B7 J2 L1 L, S9 @
0 X" @3 u! g+ P3 Y //*******************************important**************************************
$ @7 h6 H$ V) @, e
7 h G3 n0 }& ]2 i4 {) T- k CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();
* Y( J& N3 H- S- q* t2 `# b6 ~/ ~% E
CATFrmWindow * pWindow = pLayout->GetCurrentWindow();- }* ?9 w& b/ Y
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CATFrmEditor * pEditor = pWindow->GetEditor();& A' t! k) k$ t6 Z& m- P" z
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CATDocument * pDoc = pEditor->GetDocument();
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1 [2 t% [! t' f1 l6 e! p //特征对象已经创建完毕,需要对产品根节点发送消息,更新产品模型导航树
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. g! ~4 k* L) @3 i, {* _% j; N //首先,获取该当前活动文档的产品根节点 4 D T) C h' m3 u( A3 d! k
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CATIProduct *piRootProduct = NULL;
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2 }5 }. A7 @' I8 q, }& E5 S. { CATIDocRoots* piDocRootsOnDoc = NULL;
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t7 |* v; h2 X% v HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);
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) e" t) e% u- @8 a- h if (SUCCEEDED(rc))
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: c. J0 [2 @# Z+ d4 F0 Y% v // Retrieve the root product which is the first element of root elements
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' M; J* U6 F" {$ e4 m- D% c CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();! O D4 n p! j2 D; `7 C
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piDocRootsOnDoc -> Release();! O8 w* o9 r7 N- p' W
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5 A( u1 C$ z- H( t: s CATBaseUnknown *pBaseRootProduct = NULL; . B7 b( t/ @( U5 \
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if (pRootProducts && pRootProducts->Size())
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pBaseRootProduct = (*pRootProducts)[1];
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( V* f/ y3 i+ k' J delete pRootProducts;
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if (NULL == pBaseRootProduct) return;
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rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct); b, Z1 w$ {) v
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if (FAILED(rc)) return;; o; K# r( k/ X+ d/ W' N. t8 M
$ @8 j5 ~& @1 i, M //对模型树进行刷新9 `% m0 s4 o' y" y
1 R- V+ v- [, |* K" t/ O CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新
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; j7 l- K6 j. v' J5 J pPartRenew->Update();' [; t! u# b5 |$ a- @+ X
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else return; : u( `+ U* p' A: A; Y9 q" `
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//----------------------------------------------------------------
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, _: ~5 u9 j! J# r1 C3 C //给产品根节点发送消息,通知其更新三维可视化模型和产品结构特征树。
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CATIModelEvents_var spEvents = piRootProduct;8 z- V$ |% R5 ?4 u- {) o: v. r
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CATModify ModifyEvent(piRootProduct);
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3 t6 y( w' L' H spEvents -> Dispatch (ModifyEvent);
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6 \% }! c% v0 p I //Update the graph view
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CATIRedrawEvent_var spRedraw = piRootProduct;* N4 X9 A. {, a2 O9 K! Q
1 c. _' F! }& O spRedraw -> Redraw();
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4 G) s3 j1 n2 B; a/ O: i piRootProduct -> Release();: `( p3 Q. d% k' m
$ L$ g$ f6 I6 r: M piRootProduct = NULL;3 Y4 T E1 Y# Q8 W+ s) r
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