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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。4 Q1 z( x% h5 A Y9 b# n
" k5 D3 T0 m1 r, ^, wCAA中对文档操作的基本步骤如下:
% P# f" S& D- b+ e
6 t" [7 G, L+ f# G- ]+ p* [创建会话 - creating the session! G- r( W' z4 s
1 G1 O) e8 ~$ L% e' o" g5 s2 G4 C新建文档 - creating a new document
: K7 m! U% b. e% x( Q
6 Z. E5 B# i G4 w* {: v调用接口 - Query Interface: p# {# h7 n/ K9 c+ s% [
* @2 G5 L: }# ], d' o- U: I获取根容器 - retrieving the root container
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7 ^! k; s( A6 l( \' g, z2 V保存文档 - saving the document0 G3 a- T& T' {
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删除文档 - removing the document1 E! \3 F, A" [& K" K% G* C
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删除会话 - deleting the session & k8 k, b/ M' r7 N0 p) @
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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。: x) [( V1 w# o
1 }7 g( K2 u2 H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。! d8 ~8 M( c# u& s
4 Z1 I3 _# ` Y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)
. o2 Q9 v1 v# @% B0 O c3 d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 t) h: h, ~& \' B- U9 INew:新建一个空文档* O* z3 r1 k) s5 ^9 x% N
) K2 n; n2 \, @* ?1 o# vNewFrom:新建自" `- Z- d/ A8 c! C# W7 j% j' S7 R! c6 p
( a, F7 u8 {6 V; J7 v+ w新建文档代码:
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; N$ s6 r, I' ~* e. ^: Y5 d; }8 ?: dCATDocument* pDoc = NULL; _0 k+ S$ I( V+ p W
HRESULT rc = CATDocumentServices::New("Part",pDoc);# d% h% O! L9 F, P) y6 A
if (NULL != pDoc)( C# K& }; ^' D/ \2 F c
{
4 N! J- O( s+ L% N cout << "New document created OK" << endl << flush;2 z0 d1 n; y( h0 b% i1 ~# J: G# h
}
, A9 E! @0 v% \- c" Telse
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. A3 y) _; e: o) T% |& a" q" a cout << "ERROR in creating New document" << endl << flush;2 t7 N; G' k) e* g8 l' O
return 2;
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' a- Q) E/ f! Q7 p3 ]2 文档加载(Load the document)- J$ W. d: l& J/ _
文档加载即打开现有文档,主要方法包括
* V! L2 G% n$ X {7 HCATIIniInteractiveSession 中Open方法:打开文档并可视化显示- Y6 k8 l2 ^- |
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CATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行! {1 K$ |5 x0 Q4 o' `9 Y
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Open方法:
9 n( V2 B" W, l+ SCATDocument *pInstrumentDoc = NULL;
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CATIIniInteractiveSession *piSession=NULL;1 U* N* M* ?5 |
8 H! ?) f! k0 M) ]CATSession *pSession = NULL;! J& [/ m8 y7 E9 c4 h$ u
4 G6 p q3 Q! orc = ::GetPtrSession(pSession);: W @* s- J# S+ }0 l; Z. }
, U2 ~7 `( B2 }( F n0 s; p3 |# x5 ?& Lrc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
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0 c! e) q u+ D+ N+ S* C( m$ L2 |! cCATIEditor *piEditor=NULL;
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rc = piSession->Open(PathName,FALSE,&piEditor);
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CATFrmEditor * pFrmEditor = piEditor->GetEditor();% T/ [3 w) t+ {' J" }
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pInstrumentDoc = pFrmEditor->GetDocument(); , y; P4 m4 z& f9 I- m& w, E
) Y5 U( |! C7 V. ^ ......
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OpenDcument方法:
# }% R! t- e* r
2 C0 \% g8 B: l* K" X+ hCATDocument *pDoc = NULL;
! c; W7 S5 u2 ?6 UCATUnicodeString storageName = "XXXX"; //文档保存路径名7 c/ a8 e: l0 ?2 Q2 v
9 ^) _. x1 u4 n6 g0 b8 Frc = CATDocumentServices::OpenDocument (storageName , pDoc);: S; \5 L! g" u
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if (SUCCEEDED(rc) && (NULL != pDoc))1 P! q8 D1 L* |. q1 {6 E
{
4 J% D) n. B4 J- W% W9 J" ? cout << "Document opened OK" << endl << flush;! y" J5 u% t8 T$ m* I, j4 U3 F: j
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else) b. q: R4 `0 ]* e
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cout << "ERROR in opening an existing document" << endl << flush;
: |( q- `+ a1 L7 q; n1 I; Y return 2;2 E4 |. q/ e4 w, Z2 h8 i
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3 获取当前文档
3 g0 k" @+ s4 f- D& m, I4 z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,/ ]& F3 @* z& v" V8 Z/ X9 U
" p3 b3 k$ r5 `5 iCATFrmEditor * pEditor = GetEditor();9 V0 d/ n) T5 c
if (NULL != pEditor )
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5 q, X' O" W0 {7 x cout << "Editor got OK" << endl << flush;
& m) ]7 M. x; A( e) @9 ]}
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{
2 u8 J9 e* F5 n% s cout << "ERROR in getting the current editor" << endl << flush;
5 J6 Q1 ~5 Q$ P6 x2 r return 1;
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CATDocument *pDoc = pEditor->GetDocument();0 N0 G* K. ?7 ^8 p. S7 |; o
if (NULL != pDoc)
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cout << "Document opened OK" << endl << flush;
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{
7 |# Y& R3 O3 [8 n8 K6 ? cout << "ERROR in opening an existing document" << endl << flush;8 [9 z1 H8 h3 E2 U r
return 2;! U, w" v$ x6 T9 q2 i4 L
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9 {: r% C! z, z X8 q) x 该指针的获取还有其他方式,如通过CATILinkableObject 类获取。
/ d0 n" [9 H1 Y4 保存文档(Save the Document)
: M1 k6 k5 V* a# H! S7 j6 X8 h4.1 另存:即保存为新模型
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CATUnicodeString savePath = "XXXX"; //文档保存路径1 T$ x8 N9 F* d: [0 l& i
rc = CATDocumentServices::SaveAs (*pDoc, savePath );
A+ w0 f& C7 d& r V- }+ T1 kif (SUCCEEDED(rc))
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) ?2 a+ t1 v, R& H) \3 a1 M3 k 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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4.2 保存:不更新保存路径) @- s% O2 |8 |) j8 a9 H$ }
rc = CATDocumentServices::Save (*pDoc);$ a1 t. I$ v$ l# U* a& U; m
+ y4 v: g' q! b8 X% Y( `if (SUCCEEDED(rc))2 w0 r( i" o. m9 S
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cout << "Document saved OK" << endl << flush;, w/ g/ S5 {1 N+ [% @
}
% M# r, n4 f2 T9 W9 y3 Felse
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) h9 Y) Z# y% w' m cout << "ERROR in saving document" << endl << flush;( u2 L* Y ?, `. |, d) _8 G! O4 h
return 3;
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5 删除(Remove the document)
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rc = CATDocumentServices::Remove (*pDoc);
( @4 I8 _' X4 o& w" iif (SUCCEEDED(rc))
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7 P* c# X$ {4 _1 ? cout << "Document removed OK" << endl << flush;
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+ p; M" |3 j4 L, ?8 ?' d# N) Qelse
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3 c+ e9 }! f: O$ [# n/ p" Y& H cout << "ERROR in removing document" << endl << flush;' I) X6 g6 c2 O. W% A
return 6;* ]7 Q" F! S! k6 L2 B1 b5 T5 {
}
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方法封装
" u. i @; s; M8 t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- S$ G, R8 C* l
输入:
% o8 N( `1 r, I" [: R' e+ LCATUnicodeString PathName //文档(模型)的路径0 ~5 `: b* ` A
输出:7 Y5 j s+ ^# o2 W! R
CATIProduct ** opiSonProd //文档(模型)的指针4 U! l1 ?3 R/ b$ N2 I- W# s; H. ^% F
" x3 `; ?7 D- @% ?4 G+ H6 l+ v辅助功能函数:) ?1 ^3 F# ?; P3 Y+ v% d6 L
获取当前模型树根节点& F {! w) K8 K0 c( T# |9 x! n
模型加载后可视化8 l. Z/ d& F. Y' c0 U2 g% M) z$ G
刷新根节点
( V4 Y. t I% R----->打开文件( I4 \1 H" Y+ F5 W l
CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)5 v% n) ~2 `9 T5 q/ X2 @
{
$ t, ?; V h+ iHRESULT rc=E_FAIL;% ^% W& L7 a' @+ [
CATBaseUnknown * pRootProduct = NULL;
- O1 {# C8 `! f8 ]7 L7 W# @+ S1 PCATIProduct *piRootProduct = NULL;0 F) N4 f- y- Z6 D" [7 M
rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点
7 _/ Y+ ^: k" U$ qif (SUCCEEDED(rc))1 i8 _+ G5 Z. f- Z% j, |" p; r5 `
{* X3 y3 {1 z2 N" Q0 |" V5 i6 i7 }$ e
rc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);0 g( E& Y% J( ]7 ^) I- O" r
if (SUCCEEDED(rc)&&NULL!= piRootProduct)
% H5 u" Y# n7 }) j I{8 X6 Z6 E' e& r R( f4 W0 N. z1 S
CATDocument *pInstrumentDoc = NULL;+ q: k7 Z9 y# n
CATIIniInteractiveSession *piSession=NULL;
m" A# u& x& iCATSession *pSession = NULL;
: ]+ F# h; g( M* m( ?: Jrc = ::GetPtrSession(pSession);
0 ~! t+ ?6 `8 Frc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
: w$ F7 ?+ G8 V1 R. I) F, iCATIEditor *piEditor=NULL;
1 Q# P1 R# R, p/ mrc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;
: t; s8 V) o9 [- cif ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )8 Z( z1 r. O, ?$ @5 c* x* L( x1 d
{ cout <<"The document" <<PathName<< " is opened" << endl ; }
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{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }
p$ l3 Q i% u$ @: _CATIProduct *piInstanceProd=NULL;0 _1 A, c% ^6 K2 z, d& q) ^1 }. z
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 z6 c0 p- o6 w+ a: U8 ]if ( FAILED(rc) ) return FALSE;2 Y3 c: `, o/ [6 Z+ N: E5 g3 Q5 Y
// rc = piSession->Close(piEditor);
/ v% b1 ~/ v! o6 g* opiSonProd=piInstanceProd;9 n0 m2 A8 a: o' Z+ i9 R
XXXFunction::UpdateProductRoot(); //更新根节点) E4 p, Q/ ? M' D* P/ f9 Z9 _
}
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return TRUE;3 ?0 e6 v: E: t `
}
( }7 _9 ]! |# U! W----->加载模型可视化7 p- V0 Q7 S) j# {0 V
, _* o6 M: |) ?5 j0 d \HRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)1 L# O& Z3 u7 U* R/ U5 T
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//AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP); ( \* b4 X# ?' _0 Y) m* G
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//AddExternalComponent全局函数所需的三个参数,
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$ A: O9 p8 Q# B# [2 i i- q$ G; |- K //被**的product document的root product,CATIProduct类型
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//将要**的part document,CATDocument类型 A& F1 p) Q" V- y8 P4 s
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//the product instance of the imported document' x8 v9 w; f; j( L1 A& O
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//注意要**的document也要检索它的root product
* |6 d& u; x& k+ b
5 ?- u/ W: ^2 A cout<<"添加组件执行"<<endl;
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HRESULT rc = E_FAIL;. U. d' H6 C& x) k! F; a, R
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if (! ipiFatherProd) return E_FAIL;
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if (! opiSonProd) return E_FAIL; , z6 r( u1 q6 K& I* G( C+ T( e6 a
3 c& Y5 o x7 s/ ~+ G' K3 m if ( NULL != iDocument)3 s: ]: R1 ?# n
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{
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// Get RootProduct of the document to import.: K; ?# z+ Q" Z
: \8 D# |/ h% L/ a$ o! I CATIDocRoots *piDocRootsOnDoc = NULL;
) @+ [* U9 s5 Z# I
- p/ H$ k0 _5 ?' G4 S- I rc = iDocument->QueryInterface(IID_CATIDocRoots,
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1 O. Y2 u9 o, Z/ ]2 b (void**) &piDocRootsOnDoc);
+ D3 a7 o C; G9 ]9 V- J
, u: h) d& J) T5 q- [: E if ( FAILED(rc) ) return rc;
. O3 d! ?/ r. s/ J6 N( S% y# Z# ~3 n' ]
CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();
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CATIProduct_var spRootProduct = NULL_var;" j3 ]/ i' V) I) [2 A" y
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if (NULL != pRootProducts)/ L7 a4 {+ t6 F* s6 P& @! b
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{
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if (pRootProducts->Size())
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4 i5 f9 }$ K( b: v2 o% x {
% L/ s1 B# t+ H$ T \; p3 X" \* q X* T
spRootProduct = (*pRootProducts)[1];
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; r5 J4 s( x; t6 d delete pRootProducts;
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pRootProducts = NULL;
3 j: c1 b) E4 C& K
0 q% v% I/ @, O1 l5 {9 t: y }
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piDocRootsOnDoc->Release();
, E) [8 v; a6 q* r* c( ?5 e! j8 T: Y5 L: Q2 {
piDocRootsOnDoc=NULL;# x; D: V1 k T0 d) g# V7 c: A$ c
. {( y. F2 \ q+ i5 s9 a3 N* r
CATIProduct_var spProduct = NULL_var;
w3 h' w7 `0 y: v+ t9 Z
' g; e w0 r0 T6 B. @/ g' m if (NULL_var != spRootProduct)
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8 j% x( w6 E; _9 J6 X3 b {
0 u: Y# c7 F1 M0 J$ ^$ C) J/ v
# N+ s1 p" K1 }8 m spProduct = ipiFatherProd->AddProduct(spRootProduct);. P6 @# _3 ] p
2 \) m1 E3 n' {- }8 M0 m# \5 c cout<<"NULL_var != spRootProduct"<<endl;
9 {- X$ z/ _! F @
) a+ t& x0 t5 |$ N: a8 I }
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" v6 C7 `+ t2 c g/ G. B* z O: t' { else5 f1 v1 m$ S) q; u0 [# p9 B- r
f$ D* u" ^, P4 N' x/ m; a7 v0 g {( H" E5 F+ ~ E- V" L9 J
/ w6 u. r2 Z( O* d* R; e CATUnicodeString docName = iDocument-> StorageName();
/ H3 |6 X) k4 Q. K3 ]* |2 H _/ r
ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);
/ d& x. `$ m2 O9 H# F# S2 t" v; X( e" {- i" G7 v4 T( t( v
}/ u$ [8 m' p) u; K0 S* k$ b5 j
& K( @5 j; \% G if (NULL_var != spProduct)0 r. L1 V( k6 }3 O8 Q: L
8 b! @% r/ N# B1 \" }2 c- {
{
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2 n4 w: @! W: E' j: P6 g rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);% B* W- d- G4 c" Y2 H+ `7 @) u
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if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;- \7 {1 X. E% F& J- E, f
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}
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$ T9 e: @2 z# n! n% I" Q }
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0 r9 w8 v: ^ M; |4 U g: B return rc; 1 r2 n7 r4 h/ h7 r
/ C1 ?# r! n( O4 F. [) V: L3 j} 4 _( s' } k* b) ?) @
6 U% `2 j9 j1 D----->刷新模型根节点; J" v7 C1 A# L5 l& t9 v7 \8 D( Q
1 Z8 O* y8 Z* q% u4 n4 \
void XXXFunction::UpdateProductRoot()
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//*******************************important**************************************
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: i! s% F* S/ T0 l' n CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();" O5 k; g5 ^6 H' ?
$ X& \3 }1 }: K
CATFrmWindow * pWindow = pLayout->GetCurrentWindow();3 G/ X* ^( e* k) _
& Z+ J2 G) t' m- t. U/ q. X: J CATFrmEditor * pEditor = pWindow->GetEditor();
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CATDocument * pDoc = pEditor->GetDocument();
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- @4 C+ M6 ^9 e3 p r //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4 Y# t5 u% h: p D! y
4 |# @/ P% [+ I% \3 N //首先,获取该当前活动文档的产品根节点
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CATIProduct *piRootProduct = NULL; % a' m% H" }3 H
% Q# j* n! R4 D! G0 @( U CATIDocRoots* piDocRootsOnDoc = NULL;* y2 r$ t% f0 D" _
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HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);
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8 Z/ ?- l# K6 B- T# a% i; h/ P if (SUCCEEDED(rc))
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! C! o0 W9 R+ X // Retrieve the root product which is the first element of root elements
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CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();
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piDocRootsOnDoc -> Release();! F, C. y) @$ ]- x' c. P
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piDocRootsOnDoc = NULL;8 q2 ]3 {' I; H4 Z; Q
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CATBaseUnknown *pBaseRootProduct = NULL;
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if (pRootProducts && pRootProducts->Size())
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pBaseRootProduct = (*pRootProducts)[1];
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) ~ z& O. l& R, ~" M delete pRootProducts;/ D. i/ j6 e: ]: d X! `! P
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pRootProducts = NULL;; L" ` b5 u7 c7 o6 p* W
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if (NULL == pBaseRootProduct) return;
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rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);
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if (FAILED(rc)) return;9 D( G \6 w1 J! c, _7 j8 z& e
! J# C: @7 q- \ //对模型树进行刷新
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/ p: f) @" Q& [# f8 W6 \1 D CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新: n. @- q" O) U6 F( ]7 S2 R: ?
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pPartRenew->Update();
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; R+ d9 X" O7 w+ M% A1 d, [$ j: l else return;
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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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7 e! A9 J) S/ J1 t" F5 K/ s0 Y& ]7 [ CATIModelEvents_var spEvents = piRootProduct;
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CATModify ModifyEvent(piRootProduct);' r9 M1 M% S* u. j7 Q- i, p6 C1 g( I. a
9 K( u) v3 y% [+ N9 h spEvents -> Dispatch (ModifyEvent);; I& d9 \& w( I
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//Update the graph view
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: M! Q& m# k* M: S% C% L+ W5 S% P0 l CATIRedrawEvent_var spRedraw = piRootProduct;
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spRedraw -> Redraw();
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piRootProduct -> Release();
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piRootProduct = NULL;8 o- p7 g+ P3 l' p/ d0 |
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}
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