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CAA开发之文档操作+ U, X- S4 t! |3 k
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0 M5 p; p: v7 @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。, E( K X% `- U
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CAA中对文档操作的基本步骤如下: C& d4 W! o7 L" G5 Z
* f% J8 \$ H; |2 w创建会话 - creating the session1 ^' j" t B7 n! w' }* x" n
' ~- _+ p1 j- D/ I0 n新建文档 - creating a new document) q! h3 A4 ^ z& T0 n8 b" B& B$ P
; _3 H5 b. O! ]2 D
调用接口 - Query Interface
* J* ^% `6 k# \- b; e d+ n0 s) O* Y/ E: D# Y: u) A) D* j
获取根容器 - retrieving the root container
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, Z& j! n+ d% \$ }3 P保存文档 - saving the document) W: t$ b+ Y9 E- y
2 i5 B! h0 Z% Z) L; S7 M( \
删除文档 - removing the document
0 `$ R! Q# a( {8 a$ W1 \3 i; {9 e/ F% t) t
删除会话 - deleting the session
! I0 @! b7 U% {- w- x! x
% ^" d7 a$ l& h: n上述步骤详细说明参考百库全书技术文章 Creating a New Document。; e2 B; T/ h3 V* t" O# {/ {% M' A
; K" S" a4 {2 J$ J s" ^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。/ E; P# ^+ f! h9 c1 P; _ S3 J: x
4 i. N$ u; S. |, q% W下文将对各步骤进行补充说明。
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( a" q/ E6 M4 v6 F# x1 文档创建(Create the new document)
2 J+ }. s1 Z* {( `文档的创建通常有以下几种方式。可比较CATIA中文件菜单项: P2 O$ Q, q( T6 F w' ?- k
New:新建一个空文档
3 Z/ D# L1 s: b3 G
- ?. S: _' X, e, bNewFrom:新建自2 C' {* z7 D3 R
, y' j E( o- y2 m8 O6 \* F: L/ `新建文档代码:
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CATDocument* pDoc = NULL;* @% Q& n# u" |: r
HRESULT rc = CATDocumentServices::New("Part",pDoc);8 Y8 \$ a3 m) e0 p
if (NULL != pDoc)
' j7 V. B* j. o- ?9 n{6 U. ` N1 g5 }5 z1 P! H3 [
cout << "New document created OK" << endl << flush;5 ^8 K/ d5 X& t& a) G! L8 K. b- I( f9 r
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else6 i- v9 a6 N+ I* n+ v4 x/ Z8 n( v; {
{. c' F j( R6 A6 K9 z
cout << "ERROR in creating New document" << endl << flush;
* I: ]+ Q4 f8 U" E) ]) x return 2;1 w1 }1 }! ^; s( K
}. V1 b a$ Z2 ~, M$ g
- g5 \6 _- i* j% ?) r! {2 文档加载(Load the document)/ |/ ^0 `4 l* P
文档加载即打开现有文档,主要方法包括
" {' j$ w+ o' z: K, A5 f! A1 i2 d: iCATIIniInteractiveSession 中Open方法:打开文档并可视化显示
3 I3 v$ G! u* u# Z$ T8 e- A
( \! I# f3 _, @0 i7 _; h0 GCATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行( ]( _5 ^" |8 M6 A/ ~
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Open方法:5 {) g' B5 W7 G$ ?6 T
CATDocument *pInstrumentDoc = NULL;
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CATIIniInteractiveSession *piSession=NULL;0 d% d3 }' C1 z" G7 t* E* p8 Z) _
+ f8 `- D, A" SCATSession *pSession = NULL;
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rc = ::GetPtrSession(pSession);& d7 Q( X$ s5 M! c8 w5 |
( h/ i, Z2 b' k; p! wrc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
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CATIEditor *piEditor=NULL;5 [4 k" X0 \ ^1 s3 d
* F/ |" H$ D% P# P+ R2 Nrc = piSession->Open(PathName,FALSE,&piEditor);
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6 {0 S% t8 B4 p$ SCATFrmEditor * pFrmEditor = piEditor->GetEditor();/ g1 p/ b8 A1 Y4 h
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pInstrumentDoc = pFrmEditor->GetDocument(); ! P r6 i0 Y/ N+ v! {1 Y0 i
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......' J4 i1 F3 W" S* Q1 H, t3 C8 Q
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OpenDcument方法:% l8 Q# {7 \5 f; |; d
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CATDocument *pDoc = NULL;4 P$ G" D; i& A6 C
CATUnicodeString storageName = "XXXX"; //文档保存路径名
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rc = CATDocumentServices::OpenDocument (storageName , pDoc);
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if (SUCCEEDED(rc) && (NULL != pDoc))
9 h& ~! I7 Z2 h) |/ x{
' } F( J6 b3 y, ~( e' ~ \1 h cout << "Document opened OK" << endl << flush;
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3 D) @7 }5 T1 K4 r3 pelse
( D E& m) R% N$ c& _2 g{$ u* l. s5 U& T" ^- I9 _2 l
cout << "ERROR in opening an existing document" << endl << flush;! T* e0 ]/ k' F* ]+ V) \( Y
return 2;* ^$ ^, W( }! S2 t; L
}
" p9 @, M1 o0 B1 F3 获取当前文档
4 L6 Z. f# z' E1 }5 _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,2 f3 }) V( G6 i- p/ x
' `+ _) z4 t) x7 ^0 s5 ~ u& \; M# rCATFrmEditor * pEditor = GetEditor();( |0 l0 [+ F+ m4 Y5 `# I
if (NULL != pEditor )
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cout << "Editor got OK" << endl << flush;4 H ]: @7 c/ i' s8 g0 x+ c5 ~4 d7 A
}
* f. q/ B p0 Z. relse
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cout << "ERROR in getting the current editor" << endl << flush;
6 {' y6 s! E2 |( w8 s return 1;
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CATDocument *pDoc = pEditor->GetDocument();) _& p% X! {9 Y- E9 n& B, i
if (NULL != pDoc)4 J s! O% ?4 o- ~
{
4 q5 q' i5 J6 o/ b) { cout << "Document opened OK" << endl << flush;
- S F* v8 s) _4 c}
" W! T" x) `" N3 _else
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cout << "ERROR in opening an existing document" << endl << flush;
3 y5 j- u' W9 a0 `0 D: |& p return 2;
) \" `& c+ W$ E# y" n5 i2 |}
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该指针的获取还有其他方式,如通过CATILinkableObject 类获取。1 f! S* ]9 Z j
4 保存文档(Save the Document). Y5 \ f% n4 S/ ~
4.1 另存:即保存为新模型( s1 }; R' K5 J7 t% o
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CATUnicodeString savePath = "XXXX"; //文档保存路径) r* R; p) N s/ E
rc = CATDocumentServices::SaveAs (*pDoc, savePath );( P! J' r" Y8 M# {2 ^ w" D' B
if (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;
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' ]/ X% K3 r+ Z8 l' Y" p# relse& r! {. n: o0 `) g4 _
{
, _% a% p1 n8 s. I* ^ cout << "ERROR in saving document" << endl << flush;7 e, }1 e x! ?# Y
return 5;
8 d k. D: k: n. L}- A, G: W* m `7 K4 h1 A
9 ]1 t+ F; h" _: A; f' V! y/ d4.2 保存:不更新保存路径
! u$ _: C* Z& v% m' zrc = CATDocumentServices::Save (*pDoc);0 T: V4 |: n' B, n
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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;( X8 |1 a- @' f
return 3;
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5 删除(Remove the document)
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7 T7 `) S2 X+ r: D: t/ H% m# o: src = CATDocumentServices::Remove (*pDoc);
1 f5 j8 X9 p' N' V" vif (SUCCEEDED(rc))/ |/ O" R( o; A: Q& N' N" P! X+ `! \
{, R- n6 j$ i% x
cout << "Document removed OK" << endl << flush;8 Y. I1 v' U: o6 P0 M1 n# }! a1 K
}4 B% m5 _( m9 U" t- {
else
* d4 t+ ~! x! R2 I! c) x{. u6 i6 H E0 N& B# ~. Y
cout << "ERROR in removing document" << endl << flush;( a% \4 @6 ^" X5 N+ D& h
return 6;" A) f2 T% J! Z ]6 F' B5 J& @( v
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方法封装& }! M N! N* f9 a
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
# e6 `/ c, X v9 v& t" p4 _输入:
' m: K2 L: B$ T$ c3 R% A: sCATUnicodeString PathName //文档(模型)的路径+ F# `5 g I. A; ~) ?1 M6 L9 e9 H
输出:+ V( W5 r3 o, d% h* b
CATIProduct ** opiSonProd //文档(模型)的指针6 T: z, A7 \/ _3 U7 N+ q
* y6 g# e# s a4 V; {' X
辅助功能函数:
& {3 [ X7 A4 Q7 G5 |9 _% s$ b& b获取当前模型树根节点( v( [/ d$ z% {3 ?1 P
模型加载后可视化
6 q% N0 \! p2 j8 M6 L0 ]刷新根节点
& K* h" i- j# L2 k4 p" K----->打开文件
" c2 X6 b$ m8 ]. \5 WCATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)) L6 X9 c. D; E. t
{
' |2 B8 |) J+ i" Y% MHRESULT rc=E_FAIL;3 x1 C" Z/ u6 B. J- A) E
CATBaseUnknown * pRootProduct = NULL;! r7 F- g3 m. y# |; B2 u
CATIProduct *piRootProduct = NULL;
/ \2 Q9 p' N; J$ Z; L3 qrc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点
% }/ o% G& B3 V0 `8 s" Rif (SUCCEEDED(rc))
9 ?8 k! v) Y" N2 h; v7 h7 e{* ?( f& `, q9 |; J( s& @! M% r! \
rc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);8 r- l" r6 D$ ?& N+ }; f9 n
if (SUCCEEDED(rc)&&NULL!= piRootProduct), x# o( G% {2 @) ]: W
{
$ Q. d1 X7 n+ q/ m$ ECATDocument *pInstrumentDoc = NULL;
; }# d$ F/ I7 x, f! U: qCATIIniInteractiveSession *piSession=NULL;0 G9 k6 I# z9 y( \
CATSession *pSession = NULL;, O P+ J5 a1 v( g1 E' C# D
rc = ::GetPtrSession(pSession);
/ T5 i* |4 z/ P% |; Y4 Q' D: Qrc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession); ~8 f) G0 H; [! j3 U
CATIEditor *piEditor=NULL;
* k ]+ ?, z/ O, k$ Q9 N9 Src = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;
, J( b+ J- k5 `8 A& }if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )
0 a4 b- B+ ?! J' v{ cout <<"The document" <<PathName<< " is opened" << endl ; }. t: T! c8 w4 [: I
else
$ w, v: d8 ^2 M+ a" t{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }
2 s. x% u; Q6 i. E K% ?% f! K2 kCATIProduct *piInstanceProd=NULL;3 d' K2 }5 A9 p* l$ 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
d3 R3 M/ G2 @4 m$ L; ~if ( FAILED(rc) ) return FALSE;
3 K% }) ?) M) k; F; j, Q// rc = piSession->Close(piEditor);
/ ?6 J, w) X, U9 J/ h7 t$ t" D8 r* opiSonProd=piInstanceProd;
; T, S% U( C/ _ Q& U+ mXXXFunction::UpdateProductRoot(); //更新根节点$ J; |( I) T8 y1 Q6 L1 g% h5 P6 `$ _
}
1 `6 V1 P$ I& w" m, e0 I}5 N- O, d: J" ~
return TRUE;
8 g2 K j1 Q8 b- s1 |}
- H2 E" r; Z. r5 w----->加载模型可视化& i+ E$ D4 y: X" m
, v* v9 g" u! B& f1 z! xHRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)0 f& j* y! Y7 {! j) I( o" C
& a4 Y; f/ X0 u0 a' z{
, z$ I3 _% n: @! s3 u& |% w1 t: y& A+ P+ c0 c6 j
//AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP); * U- x. s' h* y1 r5 u/ s* u2 Q
, s, z3 }3 }( m. u" S( w7 C6 V
//AddExternalComponent全局函数所需的三个参数,' m) e: t5 P5 G" U
5 I1 N4 R& V" S //被**的product document的root product,CATIProduct类型; O. {5 ^& T$ Q, k' _% A
% d" e: {+ k5 S; N0 x! n //将要**的part document,CATDocument类型5 q, T x: p$ `" c
# s+ p7 ^% F4 d
//the product instance of the imported document0 Z1 u, i7 j7 T1 G+ X/ `
; H* P: V9 v7 K- @' h* v
//注意要**的document也要检索它的root product b( h9 L# ?- c4 W# h4 z/ I( K$ l5 d
& \, O, V1 X9 u( ]+ V
cout<<"添加组件执行"<<endl;
( z$ }# r/ u8 T7 I' S- X
+ z% ~* ^# N/ i6 G2 E HRESULT rc = E_FAIL;
( T; }1 X- e4 q% N( U( a
: v# v6 L& P0 o- r% y: b if (! ipiFatherProd) return E_FAIL;
- f. p3 N7 t3 ?( m
5 f' x( ? k( \( X' J; H if (! opiSonProd) return E_FAIL; / X) @3 W- Y/ j- J
4 i# X' W) ^4 C% _7 r% k
if ( NULL != iDocument)
* Y, w3 }: P9 i: _ \# z
7 | J* C z0 ` {( U) A5 w$ [; F* d
8 g+ P J& G) E6 C6 s. w // Get RootProduct of the document to import.$ T- D, a, [- _7 e
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CATIDocRoots *piDocRootsOnDoc = NULL;3 z$ h- S$ m6 M" f4 @/ \$ A
) X. ]" i; ?$ C4 b4 R' a
rc = iDocument->QueryInterface(IID_CATIDocRoots,
4 M, w5 E* {$ a1 M2 y. j, G/ ^+ M T/ L8 H l5 L1 m3 @
(void**) &piDocRootsOnDoc);
! x; J$ {; O& V$ Z; B- n0 h8 z, S: {7 q5 J. e5 e
if ( FAILED(rc) ) return rc;
) y8 S3 X, F t/ ?; }5 ?! F y, @# V6 \; b
CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();. k5 ^8 a+ T8 m% M2 W0 e' C( i S* {
& e% T+ o. J( s
CATIProduct_var spRootProduct = NULL_var;
: W2 R3 P1 U" I% s) F* {/ g+ J4 Q6 @8 z& F- S% p
if (NULL != pRootProducts)+ | F& |# b; W
; k$ j" ?7 L+ i& A: G9 l/ Y, B8 q {- U4 k% K) H% i) Z
7 ^! n1 R9 O8 g, K6 J, c
if (pRootProducts->Size())
. k* Y$ U' U( H. o& b. s: F8 x
{ ( j1 r! z, o, U9 r' v
4 M3 V3 S; D- x
spRootProduct = (*pRootProducts)[1];
' S$ w5 @. l% q! Y& v B8 q) T/ [9 Z1 j$ K: w# m1 T
delete pRootProducts;
( ^+ y( n6 `+ h' e# d8 }7 E( X* s7 S6 w2 q8 v, [
pRootProducts = NULL;
$ e4 P7 L' O/ i! t% ?2 o. Q% w' u" l7 X( k) T' a' [4 A" E
}0 `5 W, z" @; j
! i9 c0 U0 W R$ y7 Q piDocRootsOnDoc->Release();
. b2 L# Q7 h+ u1 V4 H$ L' w
# H8 p+ N' }5 B piDocRootsOnDoc=NULL;. p5 z3 N6 _9 R7 K2 \, T6 \# V5 ^
3 l3 a. U0 D, I* ~0 o1 U8 V$ v CATIProduct_var spProduct = NULL_var;
, A( X$ L/ r5 Y! p" S3 R, E! X$ ?4 J: I0 w
if (NULL_var != spRootProduct)
2 B3 @' C# x5 v# q% [
3 E/ ?+ `2 B* z! H& g$ R {
( J2 m( s! \9 k; o( I. m$ n2 ?9 G1 z' s
spProduct = ipiFatherProd->AddProduct(spRootProduct);9 e, m4 E9 B0 m3 G
% G x0 V& o. ]
cout<<"NULL_var != spRootProduct"<<endl;
, U* y# h! K) Q0 g T$ C. W) r. h, V
}
4 l! F E0 [2 M! j( i8 I. M+ X L
; K* \2 V- y; ~9 A2 H else
, W2 I! N1 ~5 F4 V9 y" u/ H6 K. k5 O6 K% J# s
{
$ }/ e3 r3 V7 t
/ [' I- t( p" y( a) U) a9 R' d/ }+ _ CATUnicodeString docName = iDocument-> StorageName();
Y3 C' x$ V, E! f: _( b4 p
% d: K- q2 M( R7 r. \ ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);- n( l/ B- J2 l. O$ V8 _
3 v! q' _; ~9 Z! W6 e }
5 Y7 z: h$ p1 G) r
8 ^7 H+ q( X6 V8 C2 h$ [. } if (NULL_var != spProduct)
0 z. c+ K$ R; Q6 @, y4 j! [7 I3 L0 F% o
{
) W: W, k* a( { u, s k4 ` T/ J. J" ?) }
rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);* i+ s2 _7 ~% u5 u% `3 |5 G+ O
0 L* [+ D: m8 J/ `% X. Q4 }1 h5 }3 t
if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;
6 d7 m6 @) K H) r* l/ @4 G" v, x4 `6 G; r% j
}
6 U+ t7 q& ?# K3 U. m) C1 q' T7 J$ g" B5 J6 B6 A7 o+ |
}
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}
( {' T; N$ H' `7 L* E# |* K( j! M8 T8 i
return rc;
: k m. R; E* d& d3 I: \* {2 C) v: G# E% S' Z5 n5 D: B
} $ D: h$ A2 v- ^9 `
9 u5 M8 S; \" h" A3 b& P
----->刷新模型根节点; \5 ^6 M' _1 S8 P
! R6 v) W$ D- p" r6 V: e% f
void XXXFunction::UpdateProductRoot(). ^/ z0 j P5 [/ E% {
1 {9 o8 G( L; h D9 X! T' b% R8 m{3 C3 y: U2 C d& s$ v. r/ L
$ K. L0 V9 `8 h: ~! o) Q" ^" h //*******************************important**************************************4 J$ i" [. u! _$ f* @
: V4 F1 D m- @8 I/ a5 @$ e) k
CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();
1 j9 ~- s; L1 u f( c0 ]: f& n. p' Z' J1 j& S
CATFrmWindow * pWindow = pLayout->GetCurrentWindow();
% v. _5 D2 x6 A) y- u/ I& U! W2 N2 M. H' [( c6 E( d! i+ j4 R i
CATFrmEditor * pEditor = pWindow->GetEditor();" h' ?% e; J; A: I" U& f
! {- @" p% j- ]9 B4 c
CATDocument * pDoc = pEditor->GetDocument();
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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, x* M; s. s* L$ z; m- v
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//首先,获取该当前活动文档的产品根节点 * _* k4 H0 @& {* t& ]5 @
: x0 P+ z' y5 k9 ]1 _ CATIProduct *piRootProduct = NULL;
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R5 j" q' _& h7 X; Q& x CATIDocRoots* piDocRootsOnDoc = NULL;9 B* d- V# x5 q% ?! p, t3 k; t! P
) g; [' n+ B: J HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);
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if (SUCCEEDED(rc))6 L) q# O5 d R7 F% y$ ^1 K, O0 x3 a
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// Retrieve the root product which is the first element of root elements
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CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();5 m) ^0 V! I5 c1 x1 d
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piDocRootsOnDoc -> Release();* r0 ^$ i: l) T
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piDocRootsOnDoc = NULL;+ K, p3 D7 _7 h1 A8 T
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CATBaseUnknown *pBaseRootProduct = NULL;
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/ k+ V5 W1 N# K/ h5 i! y0 ` if (pRootProducts && pRootProducts->Size())
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pBaseRootProduct = (*pRootProducts)[1];
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$ f- N+ i& |9 |9 V delete pRootProducts;) M* o9 q7 f+ u' a, u
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pRootProducts = NULL;
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if (NULL == pBaseRootProduct) return;" ?1 M9 ^, v8 Z( t! N. Y
- i7 w2 \7 U4 m rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);
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if (FAILED(rc)) return;3 z0 V8 m5 n6 b2 C* s
' N- ~1 t" S/ Y; D //对模型树进行刷新* `! Y- d9 n5 t6 a4 B
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CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新
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pPartRenew->Update();
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}
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- L& v$ `5 B" V$ x! p else return;
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2 F- C7 p6 g( [% d' D, F8 l% } //----------------------------------------------------------------
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3 x4 B3 M* T8 s& l8 A8 t //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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" [/ Y- Q7 n' w3 s CATIModelEvents_var spEvents = piRootProduct;
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1 M1 Y/ N* W; n" o' g, |% u% @' Q CATModify ModifyEvent(piRootProduct);0 `, P" J/ t2 w) l# g1 G0 G( i9 j
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spEvents -> Dispatch (ModifyEvent); k$ z6 \2 Z9 t3 z# Q0 _! h# _, o
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//Update the graph view
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1 u0 Q; x8 s* D CATIRedrawEvent_var spRedraw = piRootProduct;9 k+ m! i& N% b* _& @3 S F+ o
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spRedraw -> Redraw();
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* |' p3 D& B' r# S* E2 c piRootProduct -> Release();% P$ U, v/ [6 h5 z4 ^
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piRootProduct = NULL;
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}
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