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CAA开发之文档操作
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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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/ K' d* O% W2 M. x" D0 D6 nCAA中对文档操作的基本步骤如下:
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创建会话 - creating the session0 q# s! {4 `: ~. [
h: d' v1 }$ [: M新建文档 - creating a new document
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调用接口 - Query Interface
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获取根容器 - retrieving the root container9 @& |+ \7 i. F( l
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保存文档 - saving the document
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删除文档 - removing the document" @% D2 }' K" W9 R5 K9 c
6 T. F! y5 `4 ?, [) A7 Q删除会话 - deleting the session 6 l; a) Q- ~" U0 X
- e5 R. ]# ~, F, \4 Q: t上述步骤详细说明参考百库全书技术文章 Creating a New Document。: Q7 |0 Q& @) }0 O& z
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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。
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3 c9 k4 b0 H+ i n; w9 L& b下文将对各步骤进行补充说明。
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1 文档创建(Create the new document)
) J* X/ N& t' o+ B( `0 v3 E文档的创建通常有以下几种方式。可比较CATIA中文件菜单项/ N9 G8 o$ ^/ T0 S1 X# ~
New:新建一个空文档9 w$ j* ~5 ~/ b( |, m
! i; Z1 S1 p k$ T! Y, b% l5 jNewFrom:新建自% l( u% h2 Q" R u3 I T
6 I) y) N! E( R新建文档代码:
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4 j" S8 d: S2 e& P* KCATDocument* pDoc = NULL;
* G' \* Q' R4 l7 d1 h. }5 uHRESULT rc = CATDocumentServices::New("Part",pDoc);" U# T9 C: F8 |* E$ D
if (NULL != pDoc)9 B0 X) n7 |/ I% V- _
{, P" s4 e d$ j8 M4 t( P$ S
cout << "New document created OK" << endl << flush;3 A( B& a# ]0 ]) e& W* L4 D. p
}
% d. j- f: m* W1 @) Ielse
4 }7 h7 l6 Y4 a2 p# G& d{3 V7 b, {1 h+ y) M2 x
cout << "ERROR in creating New document" << endl << flush;/ o# [. u, t/ p3 v/ A0 b, M+ |
return 2;* t; L9 s9 r( C# i
}
# k `( _/ y, [' t
& h5 b' c0 M- ~! ]4 ]' {" y2 文档加载(Load the document)
7 A3 l2 d1 V! e" u# X文档加载即打开现有文档,主要方法包括4 ?# V* ^" t" A: Y
CATIIniInteractiveSession 中Open方法:打开文档并可视化显示; a% |1 O6 Y4 q. }! j/ l9 L
( ?5 g4 d1 M" C4 SCATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行7 Z( p0 b/ G9 }8 e4 c2 Q3 V
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Open方法:
) g4 Z4 c1 O, c% \8 Y) @: yCATDocument *pInstrumentDoc = NULL;2 Q+ P2 w" f2 z0 O" y3 e
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CATIIniInteractiveSession *piSession=NULL;
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3 m% r- U( ^$ v- u2 H& mCATSession *pSession = NULL;3 ~ r% J7 o- R4 V/ \' |0 W( [# }
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rc = ::GetPtrSession(pSession);
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rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
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. [; i5 n: j, R, VCATIEditor *piEditor=NULL;! L2 I5 W2 |7 r H& g0 H
. E& `. r7 j1 }2 i' G0 I( m5 U# urc = piSession->Open(PathName,FALSE,&piEditor);% n1 t3 I9 T% q, g* i. u. X
. Z1 W: Z7 H1 E2 n% Z( @CATFrmEditor * pFrmEditor = piEditor->GetEditor();
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/ `) _' L$ c8 B/ a( c; ^( H; @ FpInstrumentDoc = pFrmEditor->GetDocument();
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......
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; o; }+ W/ F3 e; L* X4 rOpenDcument方法:
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CATDocument *pDoc = NULL;5 `3 w6 `7 |. k3 U. E0 f$ x V
CATUnicodeString storageName = "XXXX"; //文档保存路径名
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9 m ~. ^9 U$ Yrc = CATDocumentServices::OpenDocument (storageName , pDoc);
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! B! ~2 `4 z0 R' w5 Xif (SUCCEEDED(rc) && (NULL != pDoc))
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- X$ N. X4 _4 ~: z0 s7 _& F; ` cout << "Document opened OK" << endl << flush;
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else* `! z N" R b4 e0 H7 D
{
- N& D s$ ]$ X cout << "ERROR in opening an existing document" << endl << flush;0 K# b) d- S- D( z8 l
return 2;
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3 获取当前文档
8 q, N" k$ o0 j/ [% ?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,) |- E4 ?( ], A3 l0 V U: i; b
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CATFrmEditor * pEditor = GetEditor();
4 W/ K1 t; U/ v0 l# qif (NULL != pEditor ): f$ [- F" Y9 Y& f/ ?
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cout << "Editor got OK" << endl << flush;
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else& E0 G O; Y6 [9 a( o
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cout << "ERROR in getting the current editor" << endl << flush;
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0 @ R, s+ a, I' G' |+ aCATDocument *pDoc = pEditor->GetDocument();% u4 ?- Z! {3 T1 N9 t, Y
if (NULL != pDoc)% X1 E, h0 D' M' I( @9 V ^
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cout << "Document opened OK" << endl << flush;
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{
+ n! E F* {' m9 |7 G3 r2 ] cout << "ERROR in opening an existing document" << endl << flush;3 j: b4 @: A9 D: V% l6 g
return 2;: O- ^& @1 V1 U# q" `+ [6 G
}
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% l) y2 z/ C6 |4 q+ w5 i+ z 该指针的获取还有其他方式,如通过CATILinkableObject 类获取。
8 @1 G J- ]3 X0 C3 W/ [8 ^4 保存文档(Save the Document)2 @2 v/ P$ W5 B
4.1 另存:即保存为新模型# W7 U2 a; Y( h5 b- |- L
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CATUnicodeString savePath = "XXXX"; //文档保存路径
8 N& z6 E# @/ k( S" }! q9 qrc = CATDocumentServices::SaveAs (*pDoc, savePath );; \. \' h: \+ Q9 j2 v
if (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;2 Q9 y" @# ?' ~& A
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else) u8 g. V5 [' w6 B
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cout << "ERROR in saving document" << endl << flush;& D% \8 l3 v6 ?9 D: Q ~6 K" d, X
return 5;
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! s& g& M8 W; U5 g4.2 保存:不更新保存路径* B6 B. R# ?. g+ b. C
rc = CATDocumentServices::Save (*pDoc);6 p5 c$ A) }1 ^# ]' I4 q3 Z% ~ E0 U. v
5 k- Q( `# Q, P9 N' X% Z' f" q) N" iif (SUCCEEDED(rc))
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3 h9 z2 t6 ?1 h, I" c cout << "Document saved OK" << endl << flush;
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! g+ q5 G+ a3 aelse
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cout << "ERROR in saving document" << endl << flush;
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}
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5 删除(Remove the document)
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! z( f1 [ r: ?1 v0 U7 {rc = CATDocumentServices::Remove (*pDoc);
5 v$ g# F$ y1 l+ N2 k8 Nif (SUCCEEDED(rc))" @! O8 ~& O; H
{
8 _6 G4 s e5 W5 v cout << "Document removed OK" << endl << flush;
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! g7 e7 p, R; H' D# x3 W) g1 }else
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cout << "ERROR in removing document" << endl << flush;% `$ K4 s; l6 _* i7 \- Z
return 6;$ X5 V5 G( @8 X0 r' b' }. \) z
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方法封装
2 |8 I N0 N3 B5 q# T$ H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: Z' V* g0 U! N) O* d4 ?" k* U
输入:7 l& P# j: E# N6 t) e8 k; Y
CATUnicodeString PathName //文档(模型)的路径# t2 v( }' n4 o' s
输出:
1 g+ `! L8 g( N' y. ?- }; sCATIProduct ** opiSonProd //文档(模型)的指针/ g; C' V5 b; W! j
" [# p! L8 e% {9 s `
辅助功能函数:& f S. x4 |/ |1 a# O
获取当前模型树根节点
* m3 O" u9 O j" [模型加载后可视化4 T6 q' @# o8 @9 [
刷新根节点# T4 N4 ?+ E4 W5 m% Z
----->打开文件/ Y" T. P6 I( D! \$ W
CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)0 F& a+ z: K1 x9 W) h4 z& h
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HRESULT rc=E_FAIL;
! b; v. F8 k& p1 pCATBaseUnknown * pRootProduct = NULL;2 j% |% Y1 o7 _4 \7 P; z) u
CATIProduct *piRootProduct = NULL;- W/ {6 R, Q) A7 ]
rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点
, o" h6 w1 N: b* n$ j3 Gif (SUCCEEDED(rc))
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rc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);
. E6 `. f7 C: x7 [$ y1 l2 O& xif (SUCCEEDED(rc)&&NULL!= piRootProduct)
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CATDocument *pInstrumentDoc = NULL;
: q! m0 L# _- ~3 f) bCATIIniInteractiveSession *piSession=NULL;
4 C8 T* S0 Z2 R% m3 PCATSession *pSession = NULL;
/ R: y8 ~" F' j$ Y7 b- ^5 @) p' Wrc = ::GetPtrSession(pSession);
9 M% t1 [' c/ y N% o# Irc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);( ?1 z, D' V/ @2 s7 `6 O2 t2 D( X
CATIEditor *piEditor=NULL;
8 q+ K/ v+ `& Jrc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;1 d# J0 F9 F/ X/ A1 r5 M
if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) ): O# K. D7 U5 S/ p# N
{ cout <<"The document" <<PathName<< " is opened" << endl ; }
9 L# Y+ d% D3 a6 w4 ], r" G- celse
& P) K# B5 E+ b% m, S{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }! v) V( e8 n K- ? ]* e& h0 S8 ?) i
CATIProduct *piInstanceProd=NULL;
* R& @0 b: ~' r9 _rc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下 % N9 j5 G7 A- P# B
if ( FAILED(rc) ) return FALSE;
6 k" Q% A, l' t. }// rc = piSession->Close(piEditor); + U& H8 Q: \+ S3 W
* opiSonProd=piInstanceProd;. k6 h5 I) \6 L' E
XXXFunction::UpdateProductRoot(); //更新根节点
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return TRUE;
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----->加载模型可视化
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/ k0 ]% _( g% }HRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)
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, z) F) `' y& }{
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//AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP); 2 ~. x/ q9 O3 k Y8 L2 z) B
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//AddExternalComponent全局函数所需的三个参数,7 p5 j2 Z) Y, s* e) Q5 k
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//被**的product document的root product,CATIProduct类型, k; U+ w' U2 d
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//将要**的part document,CATDocument类型
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//the product instance of the imported document" m2 O5 e/ |: `1 `; \0 A
1 M' G1 n# \9 e: ~5 ] //注意要**的document也要检索它的root product
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4 ` U- W/ a& M cout<<"添加组件执行"<<endl;* h" Z/ F5 Y7 a! p) t J- [
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HRESULT rc = E_FAIL;5 ?% j i5 N2 e$ s9 a% w- m
, \3 _; {# o h: k
if (! ipiFatherProd) return E_FAIL; 6 M+ n( N5 ?( B
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if (! opiSonProd) return E_FAIL;
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if ( NULL != iDocument)
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// Get RootProduct of the document to import.
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# g" y9 f, E. o7 s CATIDocRoots *piDocRootsOnDoc = NULL;
% Y1 N! y3 N+ _' {
7 v( x' N6 r4 ` rc = iDocument->QueryInterface(IID_CATIDocRoots,3 E$ S/ L. { t; v. i
+ M/ @, c% j$ \" {% z0 X (void**) &piDocRootsOnDoc);
; L3 G _& A3 V, r8 n
1 w8 S5 S6 k$ V1 e. }6 j if ( FAILED(rc) ) return rc;
1 ?7 d* Z5 z0 ` `
/ j1 b6 Y+ \' z# h2 T CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();" x8 l3 ~3 c" Q: l) b) M
1 Z6 U9 w6 Q9 M4 h% z' ]
CATIProduct_var spRootProduct = NULL_var;/ x, D o2 A. X* {' X4 N
" m& c& k' C4 l7 K
if (NULL != pRootProducts)
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' x) { w9 A1 M! z1 {% ]& j {
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1 x3 _9 q1 r5 q; Z: ~) c9 T4 n if (pRootProducts->Size())$ b3 O) o6 b5 T; ^, Q4 [; D
! \. P+ K& C' w {
, R/ |9 i; X$ i2 O
( W' b: s* `) K- \. u Y spRootProduct = (*pRootProducts)[1];! j8 U6 g: b; X7 Y- u$ W9 u
; D: j+ e/ k# p5 `9 V
delete pRootProducts;
( _* U: I$ b) D4 f7 u
( k4 R' b/ ?6 B; Q, P" v6 { pRootProducts = NULL;
4 r/ c3 s5 ]; _
) l( K9 F! }1 B! M9 R- m% c# B }( R$ I4 _/ j3 d' x$ J0 N6 Z
! }6 Z; |( O9 [; f! f' J3 a piDocRootsOnDoc->Release();
" A4 `1 g/ V0 k j) q' j. P0 Z/ u T5 e0 p9 a
piDocRootsOnDoc=NULL;" x2 g8 z* @: q- q1 v
+ z& b$ f: z6 t& n$ [' Q6 h& z
CATIProduct_var spProduct = NULL_var;+ H/ ?1 m& M- x" C, O
% X! O! w. b" e) S( E8 B8 f* `6 i
if (NULL_var != spRootProduct)
/ w4 b9 m- |& \& k2 A2 m( W! s7 d% I0 V* l" b1 z- q: |5 Q: L
{# x* D" j' Q& v. |, h
2 V9 r( i) ?$ I3 c spProduct = ipiFatherProd->AddProduct(spRootProduct);' U% Z0 G3 \. W/ B% i9 S
! A2 w) _( D9 e cout<<"NULL_var != spRootProduct"<<endl;
' a( v. T' c* z. W3 n3 [
8 V% R! w5 P" _+ {7 a6 e7 ~ C }
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8 Y: ?, q; a2 {; }9 P else4 s2 C3 Y; H. b4 W( M8 d- u3 b
4 M5 W7 j( \1 v9 U( v w {
1 j( n1 \0 O5 W) w
# J! B }: d6 X2 ^, q3 j6 d7 f: k! H CATUnicodeString docName = iDocument-> StorageName();
& p% i: h4 s6 T# s b- L1 ]) u# I3 `6 ]! y; X4 o2 {
ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);
+ A) w, ?) W2 Z+ i, \
! [6 \4 A' l* H, S- q+ @. H* G }
0 [" w5 A5 }. L) v$ b3 E
' O# F7 [5 \4 F1 F) t$ @ if (NULL_var != spProduct)
4 G# s. [' h; r
# q. z2 C# }4 |$ S- l {
- [# m8 M u) U2 R c R' I" H4 o- T( F" r
rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);
7 m# l$ n1 W' v7 D
! n/ `1 ]( H% Z i9 _ if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;* N2 \2 ]% U: I6 ?3 s
6 E I8 T5 {3 I9 _+ ~
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0 ?4 E" D2 {. b( H9 I8 ]0 D# Z/ c; m
}
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}
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" i% y- _) ?' Q7 x6 s+ e return rc;
3 t# w4 V! t: Q, ?! X8 y; h
! V2 @% `. u3 c" Q+ v6 c$ t% U}
\: h( }( t) |& Y6 W, Y
9 J4 t$ W- i* j9 \/ L----->刷新模型根节点
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& P5 W$ Q8 F5 m2 M! H- X! b4 bvoid XXXFunction::UpdateProductRoot()
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{' Z! y9 _6 I, F& z, [2 [0 ^
; m7 F; S3 n/ L
//*******************************important**************************************
3 M( T6 Z! Q# d. w Z" y- [$ T7 R. s
& o [9 ~& `$ ^9 j6 `3 ? CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();6 v& J$ S Q/ Y6 w0 Y, t9 Y* O, q
9 ?) o0 T9 I! @& l' N
CATFrmWindow * pWindow = pLayout->GetCurrentWindow();& U! u/ \6 p7 [
: i" u6 Y1 w6 E3 z
CATFrmEditor * pEditor = pWindow->GetEditor();' s9 O7 U6 Z3 N8 E
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CATDocument * pDoc = pEditor->GetDocument(); f a) D: ?- F: z
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//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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//首先,获取该当前活动文档的产品根节点 $ [8 Y i! m# E' r- f; u
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CATIProduct *piRootProduct = NULL; * e' R6 k. z, o5 Y& Q) @
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CATIDocRoots* piDocRootsOnDoc = NULL;
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0 m: s9 t4 i& A" W HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);' W3 A- J1 Z7 N9 y( l* e6 o0 D
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if (SUCCEEDED(rc))9 ^ O0 F4 H1 o$ G0 g3 b
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// Retrieve the root product which is the first element of root elements
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- h& D4 h, L- `3 f. R. s CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();
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piDocRootsOnDoc -> Release();
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piDocRootsOnDoc = NULL;
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CATBaseUnknown *pBaseRootProduct = NULL;
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if (pRootProducts && pRootProducts->Size())
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pBaseRootProduct = (*pRootProducts)[1];: I" P, Q$ n! S' t* J
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delete pRootProducts;
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pRootProducts = NULL;
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# A$ B4 y" L9 j" N7 O- B6 `% s if (NULL == pBaseRootProduct) return;' f' J3 ~8 h2 V) I6 k7 P
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rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);, _- D: |! H9 r. |) D
8 l# A* n& T# f" r1 {+ c) E9 q if (FAILED(rc)) return;* ~) C% E% G/ T( ~
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//对模型树进行刷新( N. y2 g; E# B' Q
' Z$ p9 t8 @4 ^8 A0 ] CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新
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% s2 x$ [" q4 Y# R( T$ \) C! V pPartRenew->Update();3 i2 A1 G/ {( q# n' q$ n
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else return; * P; \' J1 U3 }
8 t% `: M' h) Q" ` //----------------------------------------------------------------
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' N) |+ x/ p( w //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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* |' o) d5 t0 c) f, M+ w CATIModelEvents_var spEvents = piRootProduct;" f0 \2 A. Q( e4 J
r- ^5 ]6 V" ?" e" x8 U CATModify ModifyEvent(piRootProduct);% R6 o% a. v; i/ M0 h2 R9 }
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spEvents -> Dispatch (ModifyEvent);
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4 M6 n$ ]: f" Q, ^ //Update the graph view
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CATIRedrawEvent_var spRedraw = piRootProduct;
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" r) @0 K: W7 D9 c$ } spRedraw -> Redraw(); % I% A7 H; h& a8 d$ r* x0 f' X
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piRootProduct -> Release();% |7 P. ~; ]" z! Z
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