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CAA开发之文档操作
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# f. j8 p# s: b- |! ^" gCAA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。' ~. @$ M/ K) {/ N% J$ o. d9 v" u/ T
) s: J+ B( w: s1 {CAA中对文档操作的基本步骤如下:
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创建会话 - creating the session
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2 Z: J, |) p, S9 k0 E新建文档 - creating a new document
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调用接口 - Query Interface/ W6 p4 Q( U, m6 y2 i: A
9 k* r# _! w& c! ]获取根容器 - retrieving the root container
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保存文档 - saving the document2 X1 t/ y% y- @! L8 C7 T0 k0 {% d
. w4 U O2 {: H W: p) u; I删除文档 - removing the document U9 O. y6 b% K/ `5 A: Q3 P
% ]: t n+ p6 U2 T删除会话 - deleting the session
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% M4 L5 I/ f, j# j& H" g上述步骤详细说明参考百库全书技术文章 Creating a New Document。% B! m/ i/ p8 s, ]2 R
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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。$ L( {1 }& D: q! O) `
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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)
, q. g' o9 C' j5 F6 s$ F文档的创建通常有以下几种方式。可比较CATIA中文件菜单项. D9 e# L- l, r
New:新建一个空文档
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NewFrom:新建自% q9 e/ z/ v, D! \
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新建文档代码:
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CATDocument* pDoc = NULL;
( p; m- j# U% g1 w) G& eHRESULT rc = CATDocumentServices::New("Part",pDoc);( L2 Z7 ~4 {" t" l1 A1 S
if (NULL != pDoc)
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( D6 {1 z! p, u5 k) U cout << "New document created OK" << endl << flush;! ]7 {3 }$ I4 M' R' G
}; D- g% |8 J' o1 v. h- T
else1 [- p2 Z) J1 I/ s
{
3 e7 Z7 ]' q2 Z) [2 ?4 ] s, ^ cout << "ERROR in creating New document" << endl << flush;
7 S# c' K. f4 h& T return 2;
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2 z& s3 n8 |+ R2 文档加载(Load the document)
& Q Y, q$ W% ]8 z: i& I文档加载即打开现有文档,主要方法包括5 W# U" ]2 i1 V6 o
CATIIniInteractiveSession 中Open方法:打开文档并可视化显示
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5 |5 L8 {/ n4 ?, bCATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行
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& d# t9 m6 g4 p6 N- I9 n6 v J- UOpen方法:- v2 J x2 f# n1 w
CATDocument *pInstrumentDoc = NULL;
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CATIIniInteractiveSession *piSession=NULL;
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CATSession *pSession = NULL;
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rc = ::GetPtrSession(pSession);- E0 p! ]. [6 P
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rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);1 u# @$ R& O# Y# D+ h& g/ X) v* [
5 Q4 B; I) v) m6 \0 C1 w4 V5 X4 ^CATIEditor *piEditor=NULL;
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5 v* w$ ]. I, \& E T4 crc = piSession->Open(PathName,FALSE,&piEditor);! i* I/ ]4 z% k% K
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CATFrmEditor * pFrmEditor = piEditor->GetEditor();
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pInstrumentDoc = pFrmEditor->GetDocument(); D7 D% m% @7 J& [7 X
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......! F( P( ]! [5 s5 k. f8 Q1 [9 ~
$ J/ v/ @9 H+ r; z9 S8 IOpenDcument方法:
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6 ]6 }" U5 @1 B- tCATDocument *pDoc = NULL;) @ }9 s! L6 F% i _. T
CATUnicodeString storageName = "XXXX"; //文档保存路径名5 l' J1 u D0 D7 D7 F2 Y( i
1 S% O# C$ U1 w6 ~7 d6 Z6 b0 Drc = CATDocumentServices::OpenDocument (storageName , pDoc);
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if (SUCCEEDED(rc) && (NULL != pDoc))
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, C7 S2 b/ a0 _* t cout << "Document opened OK" << endl << flush;
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0 v7 T& n: c! m" ?" @6 Aelse
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cout << "ERROR in opening an existing document" << endl << flush;" ?: ~: n' G9 E$ K/ l6 `, x9 ^
return 2;
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|; n ]. m3 f1 z" h2 x+ Q3 获取当前文档
' H; C9 N: \3 K4 \; Y$ j# H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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/ ]: ~& ?$ z: L: {. f) V$ i0 ]1 \CATFrmEditor * pEditor = GetEditor();
/ _4 U2 p5 {4 N% lif (NULL != pEditor )" N. c* U, b) p- A; Z
{
2 n5 y" m. Q# ~1 M% h' C9 _6 \7 U4 J cout << "Editor got OK" << endl << flush;/ y) ^1 o$ ~3 @7 \" _% R
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cout << "ERROR in getting the current editor" << endl << flush;
1 o n4 Y! D5 K- Y) ` return 1;
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CATDocument *pDoc = pEditor->GetDocument();
6 l( z" ^3 r; b# H9 Xif (NULL != pDoc)- z1 ~7 R* v4 Z7 F4 n. H% ^2 j" h
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cout << "Document opened OK" << endl << flush;
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else
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+ Z: e7 \% E. a. f2 ^, ^ cout << "ERROR in opening an existing document" << endl << flush;: j8 U+ L1 ?5 t0 A6 y
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 z+ @9 j9 d( p$ [, }" M4 保存文档(Save the Document)
' y; e( L. Q! d# F4.1 另存:即保存为新模型! E& ~+ E, S1 a j& U5 i
* P5 i( u, m6 R* B9 TCATUnicodeString savePath = "XXXX"; //文档保存路径
/ e Z5 _% w# P8 N) U! H% Mrc = CATDocumentServices::SaveAs (*pDoc, savePath );8 l* ~# v: O2 _
if (SUCCEEDED(rc))
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; M$ a* A% K# @: T; w1 H) s cout << "Document saved OK" << endl << flush;
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cout << "ERROR in saving document" << endl << flush;% J$ a2 j( s* `4 v
return 5;
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4.2 保存:不更新保存路径
* B0 ]& _$ {7 H9 N9 R0 frc = CATDocumentServices::Save (*pDoc);
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if (SUCCEEDED(rc))# y" J/ ~ z% J( |; h" _
{
9 ?* D, o q( l& C/ x, u- x: K cout << "Document saved OK" << endl << flush;" U- e0 t3 ~' d8 j2 n
}
: A- |9 I* z9 \( selse
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6 |; L& M( @& `5 `/ ?$ |* ` cout << "ERROR in saving document" << endl << flush;
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}
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" D. u b" o6 D E. n5 删除(Remove the document)' p' A, w7 T1 r; h1 h1 R0 Q
. I5 ]% k+ t9 B( q3 S$ G+ drc = CATDocumentServices::Remove (*pDoc);; N( N3 b7 M/ C4 E1 ~
if (SUCCEEDED(rc))
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- E2 n$ V8 i# |# c/ T' I( M cout << "Document removed OK" << endl << flush;
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. v) H. t- o, E6 ^ O& Xelse
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4 P$ M2 o! i6 j cout << "ERROR in removing document" << endl << flush;0 ^* S0 m% M( B6 _
return 6;
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- r* u+ D9 v. ]/ ~方法封装; |6 C6 E3 z" O' @ H; 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
( K6 A3 T8 ^7 K( ^" ^# E" b: [输入:
$ O3 `3 q! o# }$ e% l; SCATUnicodeString PathName //文档(模型)的路径
9 w; `% `7 \6 C; N. k0 g3 L. X( }输出:
( M3 ]- e' B( E' Q& K( ]" n1 V/ VCATIProduct ** opiSonProd //文档(模型)的指针
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辅助功能函数:1 f; o5 T2 ]( F K6 R2 j
获取当前模型树根节点
) i1 _. I' y p, C* N模型加载后可视化7 P* Z) F* k9 k
刷新根节点 G0 O$ y, I0 g U& q3 o
----->打开文件, r5 z4 d9 L* `9 z8 v2 x# k
CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)
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0 C# m9 K& r) o6 ~( x, cHRESULT rc=E_FAIL;1 z K; ^; G3 W/ G
CATBaseUnknown * pRootProduct = NULL;) I4 k& D3 Z2 P" E6 j
CATIProduct *piRootProduct = NULL;' Y p: t7 t* x, i/ ~
rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点6 L1 E! s# ^! t/ x x: A
if (SUCCEEDED(rc))
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rc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);
* p5 K+ Y1 p4 s) h4 @" \if (SUCCEEDED(rc)&&NULL!= piRootProduct)
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CATDocument *pInstrumentDoc = NULL;& k( B2 k" e {2 O' Q" @8 K
CATIIniInteractiveSession *piSession=NULL;
e2 {" ^: K4 v7 ~' E1 O% L- RCATSession *pSession = NULL;
. ~, x9 @, V+ X: m1 P3 G8 ?rc = ::GetPtrSession(pSession);
$ n0 l6 ]* g8 lrc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
4 C6 W( d7 ?# _) }# @CATIEditor *piEditor=NULL;0 v/ o2 `, _$ a$ T3 k% {" f. }
rc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;
* l; z+ t f" _% \. M1 Mif ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )
2 y6 m0 I1 S+ S& A7 v+ C) e; ~{ cout <<"The document" <<PathName<< " is opened" << endl ; }) _: E V H( A/ L* O& o
else
! k9 ~1 I+ \3 j% q5 G T{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }
3 O8 P! V3 T2 Q/ VCATIProduct *piInstanceProd=NULL;
! R: }+ f8 _- y5 D4 K( _% Yrc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下
1 Y4 O9 W* }* @ ~8 {0 T( j Y1 sif ( FAILED(rc) ) return FALSE;9 K2 J' W$ D3 [# B) x' Q9 U+ }
// rc = piSession->Close(piEditor); % _+ E; ^2 [+ v- ?- F# h) C
* opiSonProd=piInstanceProd;
$ s: r0 o I6 l7 E5 f+ bXXXFunction::UpdateProductRoot(); //更新根节点
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return TRUE;4 { x0 G% P5 `0 n0 a1 c4 b4 l
}
) h2 s: r7 X! V) F4 U----->加载模型可视化
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HRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd); \7 p- a' N: z. O9 ^: u. R
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//AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP);
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( `" I( P: S4 C+ b& S6 a //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2 e4 w' ]2 S% H( ]
, M! O" n7 b5 K) N' e //将要**的part document,CATDocument类型; O8 L: c0 D' A2 Y* ` \) I/ L
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//the product instance of the imported document" i# U" F0 T9 I
- r* b4 F2 v6 l/ W8 G/ p9 ~/ } //注意要**的document也要检索它的root product+ b. U: X0 n7 a/ q9 C
. h- i4 w, N6 M. e& o3 Y; [! C) y cout<<"添加组件执行"<<endl;
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% J8 ]. u+ Q Y# `" X HRESULT rc = E_FAIL;* h5 \0 f9 J; q7 q* \' T: N
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if (! ipiFatherProd) return E_FAIL;
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% D1 t* [+ @, c3 k1 }0 c if (! opiSonProd) return E_FAIL;
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: f( w7 |. L0 K* x' J2 s1 Z if ( NULL != iDocument)
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7 s) l$ _: V& w/ }1 V, ^. V // Get RootProduct of the document to import.
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& K. a8 a0 g* d CATIDocRoots *piDocRootsOnDoc = NULL;
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rc = iDocument->QueryInterface(IID_CATIDocRoots,. o3 c) B1 e9 c9 v9 w; ]3 P. j
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(void**) &piDocRootsOnDoc);- [. B6 `3 I9 j1 G5 a0 H
0 A* D3 U- l* W& D if ( FAILED(rc) ) return rc;
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4 |7 O8 N$ e3 ?. h" X CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();
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6 S( L5 w7 ~+ l1 _1 h( F6 i CATIProduct_var spRootProduct = NULL_var;
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if (NULL != pRootProducts)
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if (pRootProducts->Size())9 i( B; p4 J* Q! J3 P3 E2 T$ K
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spRootProduct = (*pRootProducts)[1];
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9 v: p! d6 p% Z" w: ? delete pRootProducts;
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pRootProducts = NULL;% Y( R/ f" [) I$ ~7 y7 J
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}
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piDocRootsOnDoc->Release();2 K& P6 Z. @! a6 `% Z0 E3 `
4 V; E+ V/ O9 e5 V9 A+ G' X piDocRootsOnDoc=NULL;! p( `8 K" m# b1 Z
2 L( f- w; b4 y# r CATIProduct_var spProduct = NULL_var;! w& W0 C$ J0 {4 ~' R
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if (NULL_var != spRootProduct)* }( l, i. D$ f5 u; e$ ]: b
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spProduct = ipiFatherProd->AddProduct(spRootProduct);
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cout<<"NULL_var != spRootProduct"<<endl;
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}
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else
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- w0 }1 d/ {2 a% @# @0 w1 ~ {8 @$ r, ~2 l5 H- x) J. Y( @4 D
6 e/ q, P0 g+ H* T, N( y- A CATUnicodeString docName = iDocument-> StorageName();
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8 R. Z5 X: Q7 p ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);6 j% p& |) Y' ^: k1 p9 M7 Y
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}; C l9 s9 t+ K; B6 j/ L
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if (NULL_var != spProduct)8 C0 H' G, _& U) P9 C5 [/ `7 ^' k& D
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. Z; _" W" `; p; O/ Y rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);
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if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;& p* W- Z2 M' @3 I4 y
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return rc;
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} ; |8 B, ^% P1 [( D" N" e* W$ N& h
m% j4 x! ~$ o7 d- C
----->刷新模型根节点/ l6 ?. P t9 E( F- w8 A
/ H; U: Z4 B( P1 a! x0 N" _6 Rvoid XXXFunction::UpdateProductRoot()
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{
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, K1 ^( |; v. t/ u //*******************************important**************************************8 ~/ K: y+ x3 g: s- l
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CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();
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CATFrmWindow * pWindow = pLayout->GetCurrentWindow();
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# U- b9 Z* s% M3 b CATFrmEditor * pEditor = pWindow->GetEditor();3 O8 x' Q9 o4 Z) E
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CATDocument * pDoc = pEditor->GetDocument(); ' I+ |5 k0 Q6 p* _* \
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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6 [! {1 r3 O$ b* z" b) Z6 l% l
/ J" b! B7 V1 ?$ I //首先,获取该当前活动文档的产品根节点
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3 t- l8 C9 v, r CATIProduct *piRootProduct = NULL;
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CATIDocRoots* piDocRootsOnDoc = NULL;
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HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);
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if (SUCCEEDED(rc))
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$ l) I+ W& m1 S" u5 `2 r // Retrieve the root product which is the first element of root elements
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+ F- o1 G6 B( k$ Q CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();/ N( \0 E' K, \5 b
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piDocRootsOnDoc -> Release();2 \8 W" d! P1 L4 x" c3 |8 y
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$ J- k/ e7 ?& G3 F CATBaseUnknown *pBaseRootProduct = NULL; " b6 D& G( }* R4 g6 g. u
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if (pRootProducts && pRootProducts->Size())% F; _( N8 Y. U* j, G+ Z% Y
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pBaseRootProduct = (*pRootProducts)[1];
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! b' e) h8 M5 L6 h6 V+ b7 E delete pRootProducts;
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pRootProducts = NULL;
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1 Z5 k3 _9 o0 y& f& Y6 a1 d5 K if (NULL == pBaseRootProduct) return;* J. J% ]( T I
; I. G& S- u# V( M5 x6 O rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);
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' L0 u* z( o- r if (FAILED(rc)) return;
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# o! M& o! R4 u7 p! A f //对模型树进行刷新* m! ` u k, e8 O
q3 }; @" h, f0 A# c CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新
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pPartRenew->Update();; s: l: [9 g( S3 e# v! v
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}
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$ h/ a8 Q. a' E/ t( S5 _ K- E8 B) h else return; 5 e! [' z1 R3 g, I/ d, m- D
0 j! }$ t; u/ U# r9 B, `) 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。! b; z4 b% D( B2 w* u
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CATIModelEvents_var spEvents = piRootProduct;7 {4 I ^1 ] T+ E
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CATModify ModifyEvent(piRootProduct);
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: y: q; W7 z$ Y: n, D spEvents -> Dispatch (ModifyEvent);
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//Update the graph view
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w5 Z: G, a8 Z: P N x! M$ G CATIRedrawEvent_var spRedraw = piRootProduct;8 b' k9 R7 p1 X' B3 d# K1 ^, Q6 G
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spRedraw -> Redraw(); 5 G- U3 S/ c8 T; C/ E
+ X8 `) s0 M8 a; t- z [% | piRootProduct -> Release();
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piRootProduct = NULL;
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