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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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CAA中对文档操作的基本步骤如下:
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9 D' X$ {5 [3 o" @) |创建会话 - creating the session* m5 o/ ?* d- U% r% X1 q/ ?
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新建文档 - creating a new document+ r! |. M3 U! K {3 ^. {( O: Z
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调用接口 - Query Interface+ @. b. i" I/ [; E
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获取根容器 - retrieving the root container9 j* @3 i& K! v- V
5 l/ L* _* Y9 N5 r7 g7 l9 `; l. u保存文档 - saving the document
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% C% S3 a/ G0 p4 `# x2 }删除文档 - removing the document' q) x: [% W' }6 b
3 C2 T! c+ B* `* `" Z+ d删除会话 - deleting the session 3 v) W* j3 S9 \- I, [; v N. Y/ h a
$ o+ W1 j+ s2 i2 `上述步骤详细说明参考百库全书技术文章 Creating a New Document。
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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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- E% B: M& x1 ~" @2 u2 U下文将对各步骤进行补充说明。
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6 f W. G( K [0 O+ i/ m1 文档创建(Create the new document)3 T! Y6 n6 x7 |) J4 M
文档的创建通常有以下几种方式。可比较CATIA中文件菜单项- C9 Q' S* |" m8 T, k& v4 i% U
New:新建一个空文档* T" \- B! L5 p5 N ?; s( m
. D" Y# \- r1 P4 U2 t7 i" ONewFrom:新建自
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新建文档代码:) L" ?7 v! I8 M) w) p2 b+ e9 O. \6 y
; O- }2 F' R- JCATDocument* pDoc = NULL;
: o% A% T) O0 F7 N( Y% q! K- pHRESULT rc = CATDocumentServices::New("Part",pDoc);' h4 T' j+ x6 M3 g `. T
if (NULL != pDoc)
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" E- t" ?# S& Y cout << "New document created OK" << endl << flush;2 m) W u/ X" C c+ ~
}
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{
. M, |, j, l+ { cout << "ERROR in creating New document" << endl << flush;4 K4 m5 R5 i; j! b9 X+ h3 |& F
return 2;
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5 _2 f { T2 i5 Q {2 文档加载(Load the document)
1 R W* B; U. o8 L& q; M- b( E) I) Q文档加载即打开现有文档,主要方法包括& @. K# O5 k3 K+ G8 f# c
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
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Open方法:; |# b1 `$ u* l! N: t
CATDocument *pInstrumentDoc = NULL;
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CATIIniInteractiveSession *piSession=NULL;
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" Q5 d4 V; v% o2 @CATSession *pSession = NULL;& d% i- v& L, x( h4 Y
* ?! J6 {/ l: j, g* drc = ::GetPtrSession(pSession);
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/ t5 m# l- K7 J5 Trc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);: w4 d( m1 k1 e/ S" b8 Z. Z
3 F: I, R+ N1 R E6 t! h. RCATIEditor *piEditor=NULL;
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8 e5 }# G! U. y" L0 q4 L& M- drc = piSession->Open(PathName,FALSE,&piEditor);
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+ p7 v. W# R! f9 ACATFrmEditor * pFrmEditor = piEditor->GetEditor();. o, ~7 l, I" i* P5 ], T6 @: c
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pInstrumentDoc = pFrmEditor->GetDocument();
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......
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OpenDcument方法:
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CATDocument *pDoc = NULL;5 B+ t9 A0 l! |8 ~
CATUnicodeString storageName = "XXXX"; //文档保存路径名
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; ~& M# F: q$ @2 S' wrc = CATDocumentServices::OpenDocument (storageName , pDoc);
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. p6 g% z6 | w3 j7 K4 Gif (SUCCEEDED(rc) && (NULL != pDoc)), N9 e; S4 w1 B! V6 s) }. M4 S$ @
{
6 E' e3 `- z8 Z. J( J2 B cout << "Document opened OK" << endl << flush;
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else
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cout << "ERROR in opening an existing document" << endl << flush;
( h. R0 I6 M3 \; U( } return 2;
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3 获取当前文档
8 Y& N& r& k9 c: c4 }/ h" P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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F6 B8 E. J h3 |CATFrmEditor * pEditor = GetEditor();" ?" t; X+ B$ L1 s
if (NULL != pEditor )6 O* O& v9 V% E
{
# S+ @$ y2 g7 ?, W3 x- v cout << "Editor got OK" << endl << flush;2 d3 [- F( P0 A v- R8 [) ]9 r2 P
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cout << "ERROR in getting the current editor" << endl << flush;
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CATDocument *pDoc = pEditor->GetDocument();1 S7 D' E' l# @' e7 L& k1 H
if (NULL != pDoc)
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9 F* g: r5 z7 z9 T. | cout << "Document opened OK" << endl << flush;" g$ H5 M& m7 K0 o9 x/ G# C& }
}
% v% L! _# G4 ~$ t5 pelse
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cout << "ERROR in opening an existing document" << endl << flush;
* T4 R" S9 M" J1 x return 2;
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该指针的获取还有其他方式,如通过CATILinkableObject 类获取。
. `6 P& W7 ?0 j) l4 保存文档(Save the Document)- x4 @! L9 b) W
4.1 另存:即保存为新模型* H) C, U) Z- v
. E6 ^* p* |4 LCATUnicodeString savePath = "XXXX"; //文档保存路径4 M. X( q3 x# J& M2 P7 `
rc = CATDocumentServices::SaveAs (*pDoc, savePath );
' U* V! E7 q; Dif (SUCCEEDED(rc))
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: A6 O" `" L0 G/ H9 X5 O) l3 }: E cout << "Document saved OK" << endl << flush;
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else0 j3 j+ P2 r) D3 K; ^
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cout << "ERROR in saving document" << endl << flush;
+ X: q B4 i& \# ]4 s return 5;( S3 b& @. b+ ^' d* g- ]8 s5 n
}
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4.2 保存:不更新保存路径 J5 i% a$ C9 F
rc = CATDocumentServices::Save (*pDoc);
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if (SUCCEEDED(rc))
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8 K: G. {/ f( f# n% x8 y) C cout << "Document saved OK" << endl << flush;) G0 C* h6 J0 M' X
}
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cout << "ERROR in saving document" << endl << flush;( N" _5 w! F9 P( D* Y* I9 V# M
return 3;- \: v# h, B( R2 S, F6 F
}
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! _8 m1 g' G- b) w T$ {* c) b5 删除(Remove the document)
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rc = CATDocumentServices::Remove (*pDoc);
1 M- V9 t }* ]( n, r- lif (SUCCEEDED(rc))8 v: [" I/ J& `) `- k
{
: S. d0 ~2 k+ o7 t0 W: X cout << "Document removed OK" << endl << flush;9 \: w$ l5 w. q: r) z2 x- Q6 R
}
6 I7 p, C H; d; j1 qelse
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; y# q, h/ I0 g# j: @% u( L" L cout << "ERROR in removing document" << endl << flush;
# g5 j" J( I A7 v return 6;
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2 k* _& j! H; l$ c* X: N方法封装" d5 c, u0 s) ^9 h: b9 x& }* w p
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. |. k3 ], B8 {6 c4 g
输入: Y/ N: Y7 v: f
CATUnicodeString PathName //文档(模型)的路径2 l% m& L" D l' ]
输出:9 l& V- C1 R" I: T" U5 n W/ p
CATIProduct ** opiSonProd //文档(模型)的指针8 e: E& o0 G; d+ L
; l- i/ I2 U& {, Y, _辅助功能函数:: O2 ^ H' Q( r$ R) }/ t
获取当前模型树根节点
& i6 u1 g. Z) [* S6 C o, n模型加载后可视化0 H9 w; u+ K, {' ?/ u7 D
刷新根节点
7 p6 X) C/ i2 I3 K$ F$ X+ Q----->打开文件
9 y4 g; g. t! E+ a' C, SCATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)3 h. J. Z$ ~9 M- b; p% ]
{
6 W0 w, \3 z: E% S3 BHRESULT rc=E_FAIL;
& B3 ^6 A( [* ]4 y: kCATBaseUnknown * pRootProduct = NULL;
6 h. y$ O0 d2 T/ W3 t1 A/ |CATIProduct *piRootProduct = NULL;5 @" e5 m) { @8 l+ F. G4 {
rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点7 _& A0 u* ~* e5 ~: p3 l: O' T# G+ V
if (SUCCEEDED(rc))
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rc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);
. m: f! X. Z* N4 s/ Gif (SUCCEEDED(rc)&&NULL!= piRootProduct)' ? \( d, `, ?2 _; `) ~& D
{
0 f: E+ ]- r9 ?# q9 s pCATDocument *pInstrumentDoc = NULL;2 Z5 L( D# p: n& C( S( [
CATIIniInteractiveSession *piSession=NULL;
# n, X4 P) t# qCATSession *pSession = NULL;+ \% B- k. J# \( Z/ A
rc = ::GetPtrSession(pSession);
! c! j* |) ]7 Brc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);2 _* m' z% Y. ~1 R1 ~' f$ E! H
CATIEditor *piEditor=NULL;
" w+ y* E2 u( V' o) Hrc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;
- ]; `" y6 D: D& W- `) q. Gif ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )
& `; e( Z7 H" Y- Q- p* M% ?{ cout <<"The document" <<PathName<< " is opened" << endl ; }' ~7 ^* ~, ]$ a5 L, c2 o+ U9 z- Y
else4 e( A/ I* I7 ?3 J
{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }
7 i% H' v+ e/ ^1 [5 x' z, O4 HCATIProduct *piInstanceProd=NULL;5 H2 v3 w) X: Y1 J2 O4 c, Y
rc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下
8 [9 m8 y$ J0 B! Y' |if ( FAILED(rc) ) return FALSE;
! o! ^; f, H. r4 B& w1 F; r// rc = piSession->Close(piEditor); ) W3 p) N* ]: G
* opiSonProd=piInstanceProd;/ x/ p+ W4 M* H8 f
XXXFunction::UpdateProductRoot(); //更新根节点( f/ d( U& _0 M1 x* W
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return TRUE;
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----->加载模型可视化! G3 n6 R4 j; y' [4 U+ |
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HRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)
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' {0 b' D+ t2 b6 s //AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP);
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: u' F" i" l7 k' _$ C //AddExternalComponent全局函数所需的三个参数,
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//被**的product document的root product,CATIProduct类型
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* L M; M# j I1 _- F //将要**的part document,CATDocument类型
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% h, r) Z/ l0 a' I" V- q# s7 Q //the product instance of the imported document2 w9 y% y+ @+ q2 s8 f8 y
' i' h3 K9 L3 Y: }6 I( P4 m //注意要**的document也要检索它的root product
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G# q \, `* D8 n# [3 S cout<<"添加组件执行"<<endl;; u X- k* J ?6 L
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HRESULT rc = E_FAIL;- H' u9 V5 H. Y# c- `9 d" \: M
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if (! ipiFatherProd) return E_FAIL;
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if (! opiSonProd) return E_FAIL; 4 d2 Y% Q5 t; [( I% q
% F2 D% n x5 H8 c E. J( t a3 V& ^4 p if ( NULL != iDocument)
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// Get RootProduct of the document to import.; R# s. g! |0 D* M! V! M4 i* B) J2 X
& p; U" u- R! P CATIDocRoots *piDocRootsOnDoc = NULL;
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rc = iDocument->QueryInterface(IID_CATIDocRoots,
2 j' H" [! n8 }! K- N2 U# Z: Y% Y2 i6 ~
(void**) &piDocRootsOnDoc);
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/ g/ g3 I& T$ d; a6 G if ( FAILED(rc) ) return rc;
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. ~, t- s4 \) J CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();
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# J. D i' h0 ~2 @ CATIProduct_var spRootProduct = NULL_var;
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if (NULL != pRootProducts)+ {3 ^& N3 S* I/ l# c* o
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{8 ~3 m/ L5 r' s. i$ y
& `4 f" H2 E7 L/ }4 Q2 K
if (pRootProducts->Size())
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{
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spRootProduct = (*pRootProducts)[1];
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, }0 _; n9 O. O/ o, |4 c% F+ L delete pRootProducts;
+ d; Q) z. n h& C6 E- W8 Y& Y
; z# T. J( ~! i pRootProducts = NULL;" p) Q& _) k$ `
# o6 b/ R! |* `4 K
}
# t, w! h- ~) s* l, s, b4 |! S3 u5 `+ s5 [4 ?
piDocRootsOnDoc->Release();
6 @0 \" t8 e. f
1 m# R R I' u ?7 ^4 X. B {* y piDocRootsOnDoc=NULL;) P5 W6 T8 A5 c1 |( z
$ e3 v6 d- e+ a7 Y# Z. Z: [+ L
CATIProduct_var spProduct = NULL_var;
0 _" t' ~) x5 i ]2 l; u, ?7 |# @- T3 F8 {7 k4 s1 y( }
if (NULL_var != spRootProduct)
8 O$ c0 h. @7 q) ?
; x# {$ Y8 B% S8 ]! ] {! E0 e: Q, I) o$ ~3 g# O
8 v9 v! G9 h2 z% e4 O/ U spProduct = ipiFatherProd->AddProduct(spRootProduct);( f3 ^0 @' ~$ A* e- Q$ u; D* h
6 H5 E# }0 ~: V3 P0 E) u/ `; Y N
cout<<"NULL_var != spRootProduct"<<endl;# t7 c( h$ }( m
, x% I5 i7 `& B. y }
" c' d/ w2 y3 g$ j2 w, b) u
J2 d2 D a% @ else
2 k% w# y# \/ P! n
7 ?: Z3 ]/ O5 O* w b/ B h2 ? {
% E9 I/ t3 N% i: M2 B( M9 d2 i) s2 v% Y( B% p- Q
CATUnicodeString docName = iDocument-> StorageName();+ T) I5 ?5 o% l! ]. I& ~, X; h6 t
* N8 l( V0 |7 \7 L
ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);% g8 `8 K+ `' w2 ^5 | O
7 ~" [& X8 C0 U5 ^5 [ c }
, \$ K: c' D" r7 ?7 W+ Y7 I, r2 Q% n, f& t. U$ N
if (NULL_var != spProduct)
* ~. w9 V% C0 S% `+ b& G j
4 g- C$ R9 `3 Y/ ?" z& A9 z {" R6 {. X( Q; B
, q+ P- s# M0 `4 M% Q
rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);
9 }( \& r2 X' T- ]0 E
. D, Y, t# p5 R0 A( s if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;/ {9 l4 R( d3 C u9 Q9 }+ A
: n' S0 C. H! T, N) t }
S1 r2 A3 S) K8 W) ~2 G# y2 b
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" K' u$ p$ U. k/ a; N }
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return rc; ! w7 J7 k, Q5 V, `3 [: a y
^ E+ q& |6 L( M2 W P5 D} 4 b% V A0 W2 z9 c! n+ M. d1 N) u
# w! k( L/ h; H% A! Y4 w
----->刷新模型根节点
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void XXXFunction::UpdateProductRoot()
: O' _# C! g6 \1 y& P" P9 @
6 a- N8 a. v' K) y4 i% A{
8 J( B/ u7 i9 `; o# ^7 K. g( `, \/ X- S* {
//*******************************important**************************************! n( m8 A" d- ^" L7 U
W* V% p6 d1 d8 k CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();
3 x8 {* m3 C, H! h* M( L
: i$ C1 g3 z& }/ S) [ CATFrmWindow * pWindow = pLayout->GetCurrentWindow();
. C/ j& E4 M, Z" u3 n% [2 {$ w
& T( l0 }5 K6 c/ j& U3 y4 _ CATFrmEditor * pEditor = pWindow->GetEditor();
4 J& w; c4 |% `* T: Z2 S7 z4 h
5 L5 X& K# V/ d- u( N' Z; E CATDocument * pDoc = pEditor->GetDocument(); ! P; H* B: _7 A. R5 Y! H' {
( w( a! r: L r7 w, |! } //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
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/ y" f r. t7 T; d6 \# W CATIProduct *piRootProduct = NULL; / I* F) Q& `. B$ f5 M
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CATIDocRoots* piDocRootsOnDoc = NULL;1 J5 J' z3 w" B
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HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);
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if (SUCCEEDED(rc))
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7 a& D" ~; X! |. Z$ I* b- r# X" i0 M# j // Retrieve the root product which is the first element of root elements9 Y. \3 O1 o1 j- E# h: w" J
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CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();. `' r; |& ?! B9 i5 }0 l* x
0 K- N# N2 h( N- t4 Z piDocRootsOnDoc -> Release();7 C8 \3 `3 F0 |& }4 D/ i9 A
8 u* i$ V8 q% f1 g* v4 J2 _ piDocRootsOnDoc = NULL;
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" j6 _. U& v# Y& P" C# X* A CATBaseUnknown *pBaseRootProduct = NULL; % g, h/ s" v( O
$ f4 ~- `( R, U- W4 c2 d# u if (pRootProducts && pRootProducts->Size())
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{
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pBaseRootProduct = (*pRootProducts)[1];: R0 [! B/ O. K6 K. q
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delete pRootProducts;
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4 l# d! o0 q" J) ^- Z# U$ ~& K pRootProducts = NULL;
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+ m' t# }# p: c5 b# _3 t" _: Q if (NULL == pBaseRootProduct) return;' {) f5 q& q' A; c: H; L
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rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);
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+ L; G. o! B. u/ `' H/ b6 p2 D if (FAILED(rc)) return;7 W4 f6 q8 {. ~, U8 _
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//对模型树进行刷新6 o- f8 `3 l1 T- V, N
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CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新
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& p3 \" R' t, Y% \. @6 @ pPartRenew->Update();( T- w5 e" I& W
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}
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else return;
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//----------------------------------------------------------------0 e& N( ^) b5 q2 W5 R$ p8 ~' Q9 c: ~; @
! k; @. E: f. v A$ r( x //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;$ Q$ \; J3 K- M& e
3 E2 `5 J" F/ j1 | CATModify ModifyEvent(piRootProduct);& u. M! A8 |# y- z. ~; p
0 `. |9 v6 c8 W( `) ~9 | spEvents -> Dispatch (ModifyEvent); V! X s0 A- D# ^7 C# g5 C
% P$ h0 v% J$ p1 } //Update the graph view P* {/ y; e7 @& q& g
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CATIRedrawEvent_var spRedraw = piRootProduct;
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3 E( H/ M* f0 S# B+ @! l4 h1 } spRedraw -> Redraw(); b" @8 G; C9 D9 g( ~
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piRootProduct -> Release();
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piRootProduct = NULL;
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