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CAA开发之文档操作' `' T$ x1 z+ G& ^' Q& `9 `
% o. F4 M0 S; {8 ]
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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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CAA中对文档操作的基本步骤如下:
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0 W+ b- e3 E( N: _+ ^0 U0 A/ X8 q; M创建会话 - creating the session
1 Z; C5 |0 m6 a0 f) d% \% y/ N0 I, W4 |* y0 G
新建文档 - creating a new document, P* {8 w" u7 C: C1 t2 K1 I# _
2 t7 H6 T& N# m8 V; I# C3 k* p调用接口 - Query Interface
8 E, m1 J! H2 g) G) ?4 g0 g/ j% D4 t# @7 r
获取根容器 - retrieving the root container
# o+ X$ S2 Z. T% b" j
8 {9 n* R2 l& N; D4 p! [保存文档 - saving the document O9 T% _5 M; M$ m H" \
9 \ W) n. b$ u% {删除文档 - removing the document
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! P" \ ], @5 E& W删除会话 - deleting the session # ]/ H: V [# G% [
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上述步骤详细说明参考百库全书技术文章 Creating a New Document。3 D2 S! e- z6 Y% E1 ^; e( ~/ J; Q' @
& l( y6 s2 W) `- U& x& ]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。: X% M1 z$ E( j% i& v7 @' V; ~6 r
* |% {4 ~; s7 G7 s, m' T8 o/ f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)
" a" v c1 C- Q文档的创建通常有以下几种方式。可比较CATIA中文件菜单项0 T) p( C) c* [" b1 r
New:新建一个空文档
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4 K7 [9 Q ?: N7 C2 W0 Z' J$ bNewFrom:新建自: u4 a5 l8 h0 h Y% k- @. z% T
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新建文档代码:( R* `/ Y! {% H* K2 K! t+ G! G& R- |
- y6 U2 O- n- s& N' L* vCATDocument* pDoc = NULL;+ o1 f$ s+ B2 Z4 i! F8 L
HRESULT rc = CATDocumentServices::New("Part",pDoc);
3 G9 F8 o. o0 n& U8 f2 Yif (NULL != pDoc)7 Y' A7 Q7 C/ F) ?2 C1 t
{8 W+ I) R2 f/ I! f6 h
cout << "New document created OK" << endl << flush;' y: U3 t4 k ~8 b
}
6 ]: r. |+ S+ ]) A7 k% }else
7 Z% _. A/ X+ m2 o{
& X9 ^# ^5 V8 i. G4 H cout << "ERROR in creating New document" << endl << flush;
* J$ b( b6 O. Z) n return 2;
* o- e3 F9 S5 V! | i6 H}
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2 文档加载(Load the document)
g4 ~! S* E1 T1 w文档加载即打开现有文档,主要方法包括9 v9 S. R; B( J
CATIIniInteractiveSession 中Open方法:打开文档并可视化显示+ X( p. ~8 |# M8 v. S8 x
6 X. m2 ], ?& a3 L, ZCATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行
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Open方法:
. L* O/ x$ S2 e LCATDocument *pInstrumentDoc = NULL;
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8 [' _$ x, z0 Q" s1 ?2 v) s8 sCATIIniInteractiveSession *piSession=NULL;" T( _" t7 d" D9 Q! g& N
6 m6 p& h+ S( f9 e5 L3 DCATSession *pSession = NULL;$ Z% b' |: O4 f! {' u
7 c1 ?* I' K, Src = ::GetPtrSession(pSession);" T5 l5 |$ ]5 I( P" f
/ p- U/ P2 H: R6 @/ rrc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);3 z+ U6 Y4 Y5 i$ B7 ~5 `
6 R" p" U5 {+ k* F1 O+ A7 _8 YCATIEditor *piEditor=NULL;: P% O" g1 S! Q7 Y6 ~; e" L9 V. c
: _7 d" X( h, ?0 L- X4 x; A6 u$ yrc = piSession->Open(PathName,FALSE,&piEditor);% ]# Y; S* a+ U$ _, @: W H
, \9 x8 e$ m" S" S& i7 @6 d. f7 eCATFrmEditor * pFrmEditor = piEditor->GetEditor();- N! z9 R9 d3 C5 v' ?; q/ e
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pInstrumentDoc = pFrmEditor->GetDocument(); 4 `3 o2 \2 d* U
6 N$ h) G2 t6 p2 R, | ......
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# s" K& ~, x% h0 ]. sOpenDcument方法:
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CATDocument *pDoc = NULL;
! ~: Q& ^0 V' I! L1 }CATUnicodeString storageName = "XXXX"; //文档保存路径名; Z M% B8 j- {& T5 p+ F
) ~) g b5 P+ Brc = CATDocumentServices::OpenDocument (storageName , pDoc);
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if (SUCCEEDED(rc) && (NULL != pDoc))
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cout << "Document opened OK" << endl << flush;! E1 H/ ?4 B) s/ u: E1 ]$ u: p
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else
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' S8 H0 K2 j- n4 A cout << "ERROR in opening an existing document" << endl << flush;
3 |1 l. W( P5 J' u% ` return 2;
9 }# U$ A2 ~! i( x}
0 E2 u8 X5 j5 d+ R7 H. p8 r. }4 d9 P3 f3 获取当前文档
% y- h$ n: i3 D, V% N) M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,
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% a7 m* P3 [$ M4 l0 Z0 _+ N0 fCATFrmEditor * pEditor = GetEditor();
( e) _9 u* m* P O. D6 Pif (NULL != pEditor )
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cout << "Editor got OK" << endl << flush;( W1 q+ Q7 u: r
}
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cout << "ERROR in getting the current editor" << endl << flush;
# Z0 T9 E9 y! R6 i return 1;
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5 H; b) \$ G% i" LCATDocument *pDoc = pEditor->GetDocument();
; A0 V) |. X$ N( q/ c+ `' @if (NULL != pDoc)
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cout << "Document opened OK" << endl << flush;! [. Z: b2 t& ~! o$ A
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else2 q7 q; n5 d2 L
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cout << "ERROR in opening an existing document" << endl << flush;; G0 L2 L j+ z9 ^( ]1 J% e6 L
return 2;5 ^! @( f* c2 D: ?: F
}
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该指针的获取还有其他方式,如通过CATILinkableObject 类获取。
' Q: S' ~! t4 ]& c) m: i4 保存文档(Save the Document), h/ h7 k) S0 f' _) g j x
4.1 另存:即保存为新模型% a$ T; {, a* B, A l, ^9 [
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CATUnicodeString savePath = "XXXX"; //文档保存路径
7 p9 t8 Z) S* \8 I5 src = CATDocumentServices::SaveAs (*pDoc, savePath );2 k. D3 T/ X2 n6 o2 m7 H
if (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;
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else+ \; ^9 w# q/ {. j0 @# T( ?" j
{
4 A3 ?* e1 J; r9 z( H" V' u2 B cout << "ERROR in saving document" << endl << flush;
: r& R: j F! `) ^$ G" g( y5 r0 i return 5;% l$ ~! R5 Z0 d
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& M* B) l+ l* l0 t4.2 保存:不更新保存路径
$ t# s( C7 P& R, D" `' Qrc = CATDocumentServices::Save (*pDoc);$ I+ Z7 G. V, e& p/ I
1 _8 s/ w' D& |, b O& gif (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush; b% Z: I6 k& {( d& b9 V3 k
}
3 Z; S/ } U, Selse
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* k4 z! L1 \$ i- F* v2 B/ ?+ F cout << "ERROR in saving document" << endl << flush;
* h/ |8 ~3 ^" z6 B" F3 H# Y( v! R( } return 3;0 V$ X( J+ q: v1 Z& a
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5 删除(Remove the document)
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# w- v, K) T m5 H0 }# v; G$ b2 Xrc = CATDocumentServices::Remove (*pDoc);: }! W/ q, f# Y* Z* {, s4 I& _
if (SUCCEEDED(rc))
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0 K: X0 j( D. h3 q1 h% y cout << "Document removed OK" << endl << flush;
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else+ b" I$ b/ l% f- }
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cout << "ERROR in removing document" << endl << flush;
1 @% I' u0 k' B0 I- z return 6;
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方法封装% G# b) l! L6 i' _1 x
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6 n7 J! Z% F$ @
输入:
$ x: V" f& {8 w" a9 C; O9 O6 iCATUnicodeString PathName //文档(模型)的路径
. X; _* g u$ \5 E1 t: U输出:7 F9 X- N3 @4 v/ b3 \
CATIProduct ** opiSonProd //文档(模型)的指针1 T/ ?) ?" t& J% l/ g
6 X8 M- N7 P7 s辅助功能函数:
& \% C2 I: A9 `+ ] |6 ^获取当前模型树根节点
6 }9 A1 P8 J6 h& }5 y3 n模型加载后可视化
6 T" i _2 V1 A' A5 J刷新根节点
" O1 Q: }# ]& y----->打开文件
) t+ g: l% G$ F7 G K e$ [6 }0 t+ ?& ]CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)
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3 B/ ]5 e! H/ a6 CHRESULT rc=E_FAIL;3 f* D4 S+ |; t
CATBaseUnknown * pRootProduct = NULL;
) K9 ]# T8 H0 k5 eCATIProduct *piRootProduct = NULL;
s6 I, E1 S5 Arc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点5 E* E; \' n- Y6 \! A
if (SUCCEEDED(rc))# h! s: v0 Q/ i+ a- F" V- `3 c& X, T
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rc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);1 \- K3 P; w. Q0 `* h
if (SUCCEEDED(rc)&&NULL!= piRootProduct)' Z! o% w$ c0 d
{% Z, k8 C) L# w+ o" H: Y
CATDocument *pInstrumentDoc = NULL;
% I4 D3 @9 u! r( x0 Q* Z, ECATIIniInteractiveSession *piSession=NULL;
. u$ {8 E% b" X# \CATSession *pSession = NULL;% x' c( Z2 N' k$ {# {
rc = ::GetPtrSession(pSession);* y b- t( s% v; K( D, c
rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
$ y" C+ w7 Q7 K2 T% K3 TCATIEditor *piEditor=NULL;
" P& n: q) I. s, }# w# ]rc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;
$ g( a: z3 c6 C2 R7 o7 Y$ Gif ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) ), t* E$ V: B) u$ C( ~
{ cout <<"The document" <<PathName<< " is opened" << endl ; }1 ?: p( q' a* s) S u
else
/ z& N& _; H6 t! T% h{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }
' C U8 W( n+ C/ [2 ]CATIProduct *piInstanceProd=NULL;
7 t- a$ h/ m; G& B5 l4 r1 ~( src = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下 " P) M" B9 I; w( c! m6 s
if ( FAILED(rc) ) return FALSE;
1 ^% J* l/ o4 ^0 v" l// rc = piSession->Close(piEditor);
+ a2 k1 A! m0 A* v% C5 h* opiSonProd=piInstanceProd;
, A& J. X7 z7 H6 R U8 sXXXFunction::UpdateProductRoot(); //更新根节点% s# i$ I+ i& C. o
}
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% B( E+ o- R! l: nreturn TRUE;# u+ R* [4 k0 k7 r5 J o; }
}% c- q/ d: x ], [5 e: \* |
----->加载模型可视化
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4 m$ [' b% x+ e- f$ sHRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)
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5 }$ `0 z5 t% z" U" ^{+ B( c4 _/ [+ W/ |( N
/ J. k% V6 c7 t" j0 A! d //AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP); ; S$ j7 g! Y( t& r$ g/ }
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//AddExternalComponent全局函数所需的三个参数,( `5 J9 {; R7 \1 G7 d
$ b: U+ Q1 V; Q6 F //被**的product document的root product,CATIProduct类型3 e; F% C! @+ \5 T5 x; n* z/ D
# u1 _! w1 G! }& q3 B" L* n6 S. F
//将要**的part document,CATDocument类型. R8 Q5 d4 t* D2 v4 C" Y! B' c9 B
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//the product instance of the imported document% _& m9 W0 V5 v& ~
& a8 ?6 B3 L/ U* I: ^# z //注意要**的document也要检索它的root product
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cout<<"添加组件执行"<<endl;6 q+ U3 u3 W* G/ X+ K; |. g
1 s) K0 Q/ C( B9 U( H- | HRESULT rc = E_FAIL;
1 ^- o# Y" h) o2 i Y* g
: c) w7 J0 n4 l if (! ipiFatherProd) return E_FAIL;
" l* M6 C0 p) F) y' f/ `% ?" z" c+ f, S6 Y7 w6 P1 x1 ~
if (! opiSonProd) return E_FAIL; ( z/ d2 E% ~+ ^+ F" M$ N1 T: g
" x- ^% D& |4 x" c4 J9 A if ( NULL != iDocument)0 q2 I+ R! ~& }: L0 o
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6 a4 F! s( g' Y5 O- B) Y) | // Get RootProduct of the document to import.
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) e) s E" T! @& [5 O- P CATIDocRoots *piDocRootsOnDoc = NULL;
' Z1 R! D: ?, C5 g; u# W) i, `1 \
rc = iDocument->QueryInterface(IID_CATIDocRoots,+ h% e" G# V W1 C. j4 S% G/ }
0 }& f+ z# g! W! O* a5 f (void**) &piDocRootsOnDoc);# U, O" y" I( w. }" d0 t1 a' P
/ G+ W3 S, a* }% b1 F! |
if ( FAILED(rc) ) return rc;
| v) D- E+ E5 a' R# k4 ^$ ]6 H
0 L6 U- r3 M9 w$ P8 [2 a, R CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();
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CATIProduct_var spRootProduct = NULL_var;
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if (NULL != pRootProducts)
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: i6 M6 M$ ~1 F* l1 ?- c {% Y# `4 P1 K2 f
0 _' E2 S/ Z# s p* f% E if (pRootProducts->Size())6 _" m! Z- J3 _7 n% Z
3 n7 A3 Q, R# w( |: j, K$ P { * @3 I- r5 L: l
+ O0 n& A4 v' D" b% q! | spRootProduct = (*pRootProducts)[1];
- ?! ~5 C, I4 U' k, k( @ {1 ]
/ s' U$ K: U: w* m delete pRootProducts;
5 l2 x% R$ \; R$ `, ~' [- o; {2 n( V% W6 P& v* c% _
pRootProducts = NULL;
. O$ i" {% n S% o: ` H+ Y6 L7 `4 p- e$ g, n! l- I
}
( L2 [4 [0 |: x# S, K* Q; g* h( o4 F5 Z7 U8 V! F: C
piDocRootsOnDoc->Release();
% R* I5 ] u" G, R5 R$ S
3 C& V( x9 B5 ~3 ?! T! L- Z) A( L piDocRootsOnDoc=NULL;1 f- R+ }( k" _
) j1 I( b- E C3 N8 G- o* t CATIProduct_var spProduct = NULL_var;4 F, e: v' p2 \( x/ }
8 h* W# F' J$ n' F
if (NULL_var != spRootProduct)( Z9 [2 V& e; q# O- x, k
5 f# v& c1 Z6 j6 s
{* `3 F% | m/ S+ r2 `
5 E8 }7 O# `( B% Y spProduct = ipiFatherProd->AddProduct(spRootProduct);2 |. C+ X! E; E/ T& @ u
4 V: r* Z+ A, s; p cout<<"NULL_var != spRootProduct"<<endl;
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}. f& C; v1 M% m7 P' B
/ L; X/ n2 ]; V6 z$ \ M7 g else
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{
& f$ X4 ^8 Y5 g" N. y2 ?7 g7 Y3 e9 c" d
CATUnicodeString docName = iDocument-> StorageName();
4 U! P& r* X' Y- i. |# w. b) u9 [, `( X: d8 y! ]8 R) p+ }% }: R8 J
ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);
8 t: ~, x2 m6 g9 `- I- e* U, d# U* N+ D$ Q) R- H% R+ E! I! p
}
7 R6 A/ h' }4 z2 u
3 S; d* I( r! h. O if (NULL_var != spProduct)+ Z4 t5 B& T% ?# d0 m4 ^
5 W* S3 w4 }( s) _1 o
{! a3 r3 o% n' A# p3 V
" w% P1 r3 M* p8 x
rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);3 X6 y& c5 M1 S; @
9 q. R1 \- A% Z H' P i if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;( s( j( x: n; A: T! C
# R1 J2 P. V/ u3 ]. l9 P
}
* ?& T3 S- N, d2 v, v; z3 Q6 Q5 j, S- U# x8 t
}
" ?# z; v1 z/ y3 J8 `! H- \3 \# c6 @/ P2 ?
}
* ~0 f4 v6 @; M7 R! v
) _- C' G0 o. O9 f3 X return rc;
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}
6 T8 {! H6 D+ u) G8 g8 i& c5 a" z: Z1 b1 b8 M0 Y2 x* z" X
----->刷新模型根节点: w5 j7 p/ u$ F: v& j
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void XXXFunction::UpdateProductRoot()- E! u' c j2 n0 j1 }8 d
6 V# d- }2 L8 H) q% z
{8 e. u1 F3 M- Q- a
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//*******************************important**************************************4 B6 l4 a; }$ ^3 j; j5 I; l
6 Z( B+ e1 F+ j1 K$ ]; d CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();
) d2 I8 R' G" f4 o3 x; W$ J) D. b7 x3 e% u. c
CATFrmWindow * pWindow = pLayout->GetCurrentWindow();
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CATFrmEditor * pEditor = pWindow->GetEditor();$ c& T2 i/ d; N- S
0 ]+ D9 j2 Y2 v; E CATDocument * pDoc = pEditor->GetDocument(); 0 s9 m& u' S1 J* w7 _/ M5 p c
# ?% e: A m8 d0 k E1 b //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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7 G) K3 h/ `9 ^. G1 B, { //首先,获取该当前活动文档的产品根节点
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% _2 M( E' T1 X CATIProduct *piRootProduct = NULL;
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CATIDocRoots* piDocRootsOnDoc = NULL;% Z% ]2 j g: H
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HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);* X; C5 A4 p \! d& a& V' |
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if (SUCCEEDED(rc))
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{
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4 g2 I p6 Z% g$ l // Retrieve the root product which is the first element of root elements
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CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();1 t6 h$ T0 U" a( G
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piDocRootsOnDoc -> Release();
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piDocRootsOnDoc = NULL;
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# d9 U+ w! O1 y/ v% i& A; I CATBaseUnknown *pBaseRootProduct = NULL; 2 P* a2 i, W& H0 I3 ]
3 C7 d- Y2 g7 Z) x1 U' N if (pRootProducts && pRootProducts->Size())) r) z* v5 f2 f5 f! V/ J" W
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, ^6 }( B- X" i ~ pBaseRootProduct = (*pRootProducts)[1];; p- Z$ ^: U+ n0 M6 ^! u9 ]
* p' k2 `4 p7 ?$ _ delete pRootProducts;0 K* _0 o! I- ~4 o0 Z
4 j# G j( Q O4 {, ~ pRootProducts = NULL;
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if (NULL == pBaseRootProduct) return;, ~# \$ ~" G( o$ ~
3 s, W& q& h, T6 ]6 j8 i rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);7 k6 k- K& f* T- E
- t. r& [, n$ Q if (FAILED(rc)) return;3 V3 a& H4 f- L' T" Z
6 r/ z- n+ D% v/ j Z1 Z9 W9 V& J //对模型树进行刷新) i; O3 T3 E" d Q
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CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新
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+ v @0 }" B( d' P pPartRenew->Update();8 a( N5 w% Z1 s: o$ c. I; I
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" C: C) B+ N$ P0 {' W else return;
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/ ~% y3 M! _7 {+ W: o8 Y //----------------------------------------------------------------
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//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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1 s; V# {/ `0 B; F( R) U% |* { CATIModelEvents_var spEvents = piRootProduct;
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CATModify ModifyEvent(piRootProduct);
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spEvents -> Dispatch (ModifyEvent);
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H9 t8 w$ O( W* `; @+ `# E //Update the graph view
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" U& R% X# \( I3 u CATIRedrawEvent_var spRedraw = piRootProduct;7 H, V$ h! s& [& M
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spRedraw -> Redraw(); ; g! p9 N* R2 T) t& N5 S! G5 ^& P8 ~
( s6 b' j* N" o7 ?% P+ z" b piRootProduct -> Release();
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( B3 f# A! b+ \, O, v( F piRootProduct = NULL;
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