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CAA开发之文档操作
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) J }4 v0 B7 b) [8 o/ ?# qCAA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。" Z+ p, `* z7 Q5 ?! j( i
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CAA中对文档操作的基本步骤如下:
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- r0 b$ j0 [; }- ^, A创建会话 - creating the session
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. W! y8 t: R# t+ h( C/ T新建文档 - creating a new document! @3 M% b$ w; G5 M0 Z9 F
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调用接口 - Query Interface+ Z( L# w2 x6 a$ c. L1 g0 e
+ C+ s' e! R/ G9 f. a: j获取根容器 - retrieving the root container0 r9 ~0 F; p T0 b" X# K9 v$ ]
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保存文档 - saving the document
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删除文档 - removing the document$ {# h+ T; ~ b) G1 R
1 r$ @# I1 P; N9 y p删除会话 - deleting the session 1 l) ]: \6 G s1 H3 f5 |% p
0 c* R H4 i8 D9 `上述步骤详细说明参考百库全书技术文章 Creating a New Document。+ e# |$ e& X: P- d, B
8 z. K* D: d8 P) ]. \
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。; C' P" a0 ?$ B% ?
$ l9 s% @2 [9 h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)' t' W, ?* P, T; x- w& i+ v
文档的创建通常有以下几种方式。可比较CATIA中文件菜单项& q- C6 }( R: F& |, k. e; f; L* p
New:新建一个空文档
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NewFrom:新建自' |+ U7 k2 B9 I! C! y
. |+ E, n: r6 V' B5 D# v( d新建文档代码:# n% B! r- ]+ W9 w! C
; p: P6 [8 l9 q7 lCATDocument* pDoc = NULL;
P' e& i$ I- L( }HRESULT rc = CATDocumentServices::New("Part",pDoc);$ r0 `) ]: B4 d
if (NULL != pDoc)- t. B8 Y6 G. D( N& D& _
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cout << "New document created OK" << endl << flush;
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* d8 v* ~1 M) Welse) ^$ z) f* Q% Z4 C; H) \4 m
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cout << "ERROR in creating New document" << endl << flush;
6 q: B9 s" [- n1 g e% ^ return 2;
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" p" J, \ m2 G' p* o z, I2 文档加载(Load the document)
l5 J5 I" h0 ~( ~) `1 T3 |文档加载即打开现有文档,主要方法包括( ^3 a3 A0 y7 H% U+ Z$ X
CATIIniInteractiveSession 中Open方法:打开文档并可视化显示
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0 z, o |6 s( Y, v4 p' V6 MCATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行
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! j, e' a ~ H: QOpen方法:
" I$ i& ]4 ^7 ?4 K4 e" W5 ACATDocument *pInstrumentDoc = NULL;6 Q5 N( H, @ D
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CATIIniInteractiveSession *piSession=NULL;) B3 U8 x- C" M, c
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CATSession *pSession = NULL;
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rc = ::GetPtrSession(pSession);- ^( s5 T0 n% Z3 U- _& L: X( v5 x
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rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);4 d; J: E4 o% P# }/ b3 e
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CATIEditor *piEditor=NULL;
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, d9 W: d* H/ X/ mrc = piSession->Open(PathName,FALSE,&piEditor);
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) e9 f- Q, X9 e/ v6 MCATFrmEditor * pFrmEditor = piEditor->GetEditor();
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% V7 H; O7 W( w6 R" u! O Q0 ~pInstrumentDoc = pFrmEditor->GetDocument();
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8 ^( e6 e" a, @. J7 b ......
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; b: |, I1 L; ROpenDcument方法:
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3 c( F+ O9 Q; s' @9 wCATDocument *pDoc = NULL;
2 {2 A/ b1 h: ?CATUnicodeString storageName = "XXXX"; //文档保存路径名9 ^0 K3 w3 [# w: P2 M# @9 {
E5 N0 }3 n+ s. S& ^rc = CATDocumentServices::OpenDocument (storageName , pDoc);
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' O! f5 B# X5 E& b7 s/ Uif (SUCCEEDED(rc) && (NULL != pDoc))
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, W8 [' q3 l3 l cout << "Document opened OK" << endl << flush;1 E( Q2 P* V1 r( K/ X
}
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{
( y2 V1 z6 ~! x A/ ^% z2 E* S cout << "ERROR in opening an existing document" << endl << flush;& x2 y/ r+ i0 y+ S
return 2;
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3 获取当前文档# c" k1 ^' y( l W/ Q
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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' p' i: F7 s( U, d* QCATFrmEditor * pEditor = GetEditor();& w _8 g6 o$ t4 B4 P) H# {, _
if (NULL != pEditor ); F$ R! N, z- l5 R& @
{
" P- \$ G: @$ Q( u: S1 F( g$ I5 j cout << "Editor got OK" << endl << flush;
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cout << "ERROR in getting the current editor" << endl << flush;# W6 i1 f2 l6 e2 Z
return 1;
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CATDocument *pDoc = pEditor->GetDocument();
9 b$ A5 C5 h& n) hif (NULL != pDoc)$ @9 T# u2 Z% K" k1 ]+ }8 Q
{
6 d2 a8 E' j. @0 L* w# _* Z X$ C cout << "Document opened OK" << endl << flush;
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else
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cout << "ERROR in opening an existing document" << endl << flush;% ?5 ~: X1 K6 y9 D! _* u& p
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。4 k; E" D: }. B, A6 `
4 保存文档(Save the Document)' Y# i$ C* O' z8 y
4.1 另存:即保存为新模型5 {2 n" |( L+ ^) s- e* k0 m4 M$ \
7 j4 q6 T$ o8 |# i3 L& L2 cCATUnicodeString savePath = "XXXX"; //文档保存路径
, A- b! R8 k: o- frc = CATDocumentServices::SaveAs (*pDoc, savePath ); b( W+ [( T! P; U3 R4 c! W
if (SUCCEEDED(rc)): l6 Z7 V- c0 I Q2 G3 O
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cout << "Document saved OK" << endl << flush;& n) v1 X5 ?0 m7 i) K2 M
}
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cout << "ERROR in saving document" << endl << flush;
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$ U; u2 y$ N) e, A; E( {5 P, ?4.2 保存:不更新保存路径
$ }9 `3 w' N' L- ]. L; h9 P$ vrc = CATDocumentServices::Save (*pDoc);
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if (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;
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! Z5 x# |& X2 {% w2 M) Oelse
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4 R) w3 h/ c; e8 w cout << "ERROR in saving document" << endl << flush;3 a: S' E# K7 u6 x& @. h' I
return 3;$ Y$ F0 Z7 R* t! `: `4 P+ C
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5 删除(Remove the document)
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rc = CATDocumentServices::Remove (*pDoc);) d* M5 l1 `+ U
if (SUCCEEDED(rc))) o: t( t5 z/ Z% G5 [' i4 M0 H
{; ]2 n6 C; `5 A. m
cout << "Document removed OK" << endl << flush;
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else
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8 I4 h5 {. f T cout << "ERROR in removing document" << endl << flush;( E9 H6 b5 S* e/ H0 l p+ y
return 6;
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方法封装
! |) N$ ]& q6 N y& 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! z, Y2 y7 V( A$ z8 g: L l! j
输入:$ z4 _" g. q' A- l$ D/ \' s; w
CATUnicodeString PathName //文档(模型)的路径
$ T% a/ e2 G7 u3 w$ O# {' O输出:
7 E3 u0 x( P0 O& T6 \* Y0 X* RCATIProduct ** opiSonProd //文档(模型)的指针
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8 b; K: ~, F) H辅助功能函数:
4 v3 n: S* \0 ~; b) Z7 r- R获取当前模型树根节点& h& n4 Q a. U" o$ d+ O
模型加载后可视化- X+ N+ N6 p: j {8 Y
刷新根节点
3 K) n5 q. g& {----->打开文件
5 E& f. D8 v$ S6 ]3 @% ~3 pCATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)
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/ ^. }* N! S* p0 d5 m* vHRESULT rc=E_FAIL;
" \ C8 E/ T4 m. j. O, b m+ hCATBaseUnknown * pRootProduct = NULL;. C; Y. L$ ?- X; T5 f
CATIProduct *piRootProduct = NULL;
9 Y v, `0 E- w: I2 d8 t$ O$ |& Grc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点! g- v. t- n) p$ U- |" B6 a; U! q
if (SUCCEEDED(rc))& a) F( `+ R# x0 r9 X* |/ A
{
7 ]7 ?" v: t* V7 j1 l0 q8 krc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);" @" V: c8 Y2 q7 h ?0 E
if (SUCCEEDED(rc)&&NULL!= piRootProduct)
3 s8 t. Q; e+ O. z* f8 |{
% s- [+ C6 s# i# Z# [CATDocument *pInstrumentDoc = NULL;
, P6 \. l, k- C- j9 a, SCATIIniInteractiveSession *piSession=NULL;! ]; x l) V8 a9 S. i
CATSession *pSession = NULL;1 {6 R0 Z5 ]; a8 C2 j- l
rc = ::GetPtrSession(pSession);
. s4 R6 M9 g0 x: ^0 F: a7 ?" qrc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);3 L+ h, |1 l8 \+ k" U
CATIEditor *piEditor=NULL;# p9 d' ^% C5 _& A6 m# Z+ R: O
rc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;' z! `# W1 ~: u9 I L
if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )
# I. J; w# _( ~{ 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); }
3 n) d4 m. Y2 e/ ?+ A0 ECATIProduct *piInstanceProd=NULL; k" |* _# O5 a+ C3 {( I
rc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下 0 V4 y1 i- g) b: L+ b5 L
if ( FAILED(rc) ) return FALSE;
$ N m, F, x- X" N6 U1 P& K7 {# X4 `5 y// rc = piSession->Close(piEditor); . }8 k. n* s. Q: ` P% E6 K: S
* opiSonProd=piInstanceProd;
- O- J3 O* L6 k2 g- s1 d6 |7 c5 hXXXFunction::UpdateProductRoot(); //更新根节点2 a7 K' P$ ?& [# T! n
}
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return TRUE;0 W7 c% T ^+ X5 X
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----->加载模型可视化$ G& [/ N9 P- o0 S
9 x3 B/ n/ P; [! C" dHRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)
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{
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//AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP);
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//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+ @1 u6 I9 v" v' j) y! f
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//将要**的part document,CATDocument类型/ M2 m" k/ L% G4 q2 ^
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//the product instance of the imported document, v. h1 N; w" l+ f; a
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//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;
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2 `8 p& O6 h( Q* o* ?9 v& ] HRESULT rc = E_FAIL;9 @" Z8 i, n/ u! r
9 B; } N) n' Q# G* s+ @ if (! ipiFatherProd) return E_FAIL; : ?1 D" d V. D9 @4 V' H
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if (! opiSonProd) return E_FAIL;
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+ X. F) b7 \$ f if ( NULL != iDocument)
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// Get RootProduct of the document to import.+ V* f6 y% ?5 k
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CATIDocRoots *piDocRootsOnDoc = NULL;
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rc = iDocument->QueryInterface(IID_CATIDocRoots,8 | ~3 E+ k" w$ H; ]' S
G' C2 j3 e3 t$ T (void**) &piDocRootsOnDoc);1 y+ W6 }) I6 H
/ J! }: `; R# m9 n6 z if ( FAILED(rc) ) return rc;% O* |* _; F O5 S- }+ F% d# K
* R7 ^4 D" V7 R# e% k; d4 O0 Q0 ? CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();
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4 o) `. A0 }% H( W( w. l1 ~ CATIProduct_var spRootProduct = NULL_var;" R( X2 p) k; x
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if (NULL != pRootProducts)
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if (pRootProducts->Size())5 D. e3 y! {7 V; F# y, @
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{
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( n7 P4 |* G6 ?2 X' u) B" b% i spRootProduct = (*pRootProducts)[1];
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delete pRootProducts;5 ?, m+ G0 a% s+ N* y |
$ ^3 m3 `! `, _* K5 ^$ ` pRootProducts = NULL;/ `* D' V) P5 V0 N" P7 Y+ H
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}" k4 h1 m3 j) }
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piDocRootsOnDoc->Release();) j# D% ~9 G6 I
$ K1 B# [+ W( q0 p3 u piDocRootsOnDoc=NULL;
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CATIProduct_var spProduct = NULL_var;
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if (NULL_var != spRootProduct)3 d K' u v* G$ {& M7 g
5 s$ z! K4 T* p {3 E- V6 \7 \7 R, I# M2 K
/ B @2 d( P1 U spProduct = ipiFatherProd->AddProduct(spRootProduct);( D+ z- L+ I2 j5 b/ d/ E
% U+ ]! a+ |; g/ | cout<<"NULL_var != spRootProduct"<<endl;) m8 f3 W t4 } ?6 d
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}, ^( X3 g8 ^/ K- M* ^. l; n
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else( i0 C8 n$ t5 j
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{7 V! b7 Y. C. t+ t' h( t5 p
7 o+ O% |# ?" U% ^ ] CATUnicodeString docName = iDocument-> StorageName();0 _ h3 L" {+ R
( Y/ L/ ~& Z2 I" E* I/ u, O ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);: x! ^ R2 @/ W: U( E
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if (NULL_var != spProduct)
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{2 p! F7 R) f1 p3 @' `- t
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rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);
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8 ]# S6 E" L; E0 s# N* Z if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;
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: q" N/ \6 v/ H/ H }
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return rc; + S) V( _' U$ v+ V6 I9 S
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} ) l( L: L% O1 @5 {+ p
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----->刷新模型根节点" x" q+ \6 m0 t8 ?1 w+ H8 P8 B1 X% h# ]
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void XXXFunction::UpdateProductRoot() i) B/ Z% b7 r# F" a
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{
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//*******************************important**************************************% T/ K- [. r; I5 F
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CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();
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CATFrmWindow * pWindow = pLayout->GetCurrentWindow();
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6 F1 W/ u/ J& k. I CATFrmEditor * pEditor = pWindow->GetEditor();
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. U$ k2 L5 P6 P 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# @+ W( j# V' c4 Y0 d
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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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* f+ j( q: v% W! B CATIProduct *piRootProduct = NULL; ' G4 v4 S% e! y, I
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CATIDocRoots* piDocRootsOnDoc = NULL;: @, U+ i% b6 A8 i
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HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);
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if (SUCCEEDED(rc))
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6 n+ M: [6 r. w; { // Retrieve the root product which is the first element of root elements
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CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots(); v" K! Y" v$ I. H
% l5 E7 H8 k( R 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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{
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$ S3 _& Q; U1 n0 `, k9 I* [3 O( ? pBaseRootProduct = (*pRootProducts)[1];- A" J/ {) q) P" Z/ U
+ F6 C! h5 ?' |+ f' B' `& L; _" h( M delete pRootProducts;! c4 I) P/ [8 E1 F& n, d
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pRootProducts = NULL;
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if (NULL == pBaseRootProduct) return;
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/ }* `- {5 Y1 I6 [3 E rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);
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if (FAILED(rc)) return;$ c# g9 S" a) O+ l# S
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//对模型树进行刷新* _% e+ x' g$ P8 t" ~9 }' J
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CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新
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- t/ A1 _ O% x/ F5 s& y# C) Y( b pPartRenew->Update();. b/ B: q, C" I) d: d
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else return;
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//----------------------------------------------------------------
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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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CATIModelEvents_var spEvents = piRootProduct;; `9 k H# v9 S$ ?' D. H5 W7 _" [
" u. I* q* R- v' q0 @7 H CATModify ModifyEvent(piRootProduct);
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spEvents -> Dispatch (ModifyEvent);
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//Update the graph view
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+ ^8 [2 G, r' a; N4 w7 K% g CATIRedrawEvent_var spRedraw = piRootProduct;* t- B7 @3 s) z8 {( [# B
$ S8 X% N% O2 ^) W spRedraw -> Redraw();
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. I. p. d# q# B" ?4 z/ B F piRootProduct -> Release();
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piRootProduct = NULL;
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}
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