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CAA开发之文档操作
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% n( N4 \4 A2 I( C, |$ |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。; P) s2 G& `0 g/ B* K) ]$ t- d
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CAA中对文档操作的基本步骤如下:
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" ?- [1 H S5 A3 P6 d3 j, h' O; t创建会话 - creating the session" S1 ^+ U q* C" j. w/ {
: d8 u2 N3 q" T3 ~" R新建文档 - creating a new document( Y: H/ {1 G# C% `1 W9 d6 ^* `( c
! d( W+ K8 k5 U5 {; u2 a调用接口 - Query Interface
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" `: d, \! _4 l! ?* @( E0 T- e获取根容器 - retrieving the root container
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( T0 h: F% ?; I, |0 ^* U保存文档 - saving the document
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删除文档 - removing the document
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删除会话 - deleting the session
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7 i I: E2 g9 r5 Z; E7 E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。5 x! k& _: y& |0 V& e8 O
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下文将对各步骤进行补充说明。2 H. l% }& O) x/ I& R2 U( C
8 s9 D+ P- L8 [- K. z+ U% X1 `. o& I1 文档创建(Create the new document)
: l! W6 ^- D9 ^; f, s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 L, O* U1 u0 v7 |0 G2 m MNew:新建一个空文档
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NewFrom:新建自
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; ^! f6 k! K( U( ]8 H% B% e新建文档代码:
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CATDocument* pDoc = NULL;
9 M1 E- x l* _HRESULT rc = CATDocumentServices::New("Part",pDoc);. K$ T2 v- }( S. l0 G
if (NULL != pDoc)# Z! }( e6 k) J9 S" B
{
3 j4 l& o$ a# a$ X o cout << "New document created OK" << endl << flush;
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else! P7 e. ], H; v* w
{
. s, n7 g8 E0 O$ A4 n cout << "ERROR in creating New document" << endl << flush;
3 _+ ~5 q- a0 y! a+ T' ^6 Y return 2;% J+ d/ O$ h+ I4 f/ J5 C, O0 ]
}
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3 t/ Z& |7 P7 i9 @5 p9 [0 v% k3 q2 文档加载(Load the document)4 z @* h; r2 l/ j
文档加载即打开现有文档,主要方法包括
0 X( M5 S1 e' d5 s2 K7 aCATIIniInteractiveSession 中Open方法:打开文档并可视化显示! e/ \; B# a7 S! ^
) N/ V1 e7 w! F) M5 z4 BCATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行
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* e, S8 ?! h% a2 XOpen方法:& j6 P8 z$ \( E* J
CATDocument *pInstrumentDoc = NULL;5 Q# M; A" ~/ ]. Y
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CATIIniInteractiveSession *piSession=NULL;
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, j. }% |" P& _. H" wCATSession *pSession = NULL;& E7 o. p$ b+ p& J' X
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rc = ::GetPtrSession(pSession);( B" T# ^5 g `" [( P x; e: ]
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rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
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6 A7 m' g: v8 J& ICATIEditor *piEditor=NULL;
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$ [: k: P! |6 [6 p# irc = piSession->Open(PathName,FALSE,&piEditor);+ E0 S4 S6 A3 I3 M7 l8 J
* M+ S4 d ~" c# i( PCATFrmEditor * pFrmEditor = piEditor->GetEditor();
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" e+ v1 z5 U& E" N8 YpInstrumentDoc = pFrmEditor->GetDocument(); ! ]* H# s( S3 W
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......4 j9 b: c& W4 G. a6 ]1 a$ S
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OpenDcument方法:
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6 N8 ^* F: H. W8 d* hCATDocument *pDoc = NULL;
% n+ t+ u" P, W: }+ WCATUnicodeString storageName = "XXXX"; //文档保存路径名# u! f0 b) e1 h2 F# S- f
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rc = CATDocumentServices::OpenDocument (storageName , pDoc);
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if (SUCCEEDED(rc) && (NULL != pDoc))
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cout << "Document opened OK" << endl << flush;: h7 v7 o1 X( c' T, Y, r
}; f; y* M& k* e7 e) |
else
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; Z# T }8 K- h5 E cout << "ERROR in opening an existing document" << endl << flush;& e' _! f5 n3 M& `$ d1 V8 W
return 2;
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3 获取当前文档. S7 ?' i+ h( J/ i7 ]. \2 L
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,7 B+ v4 ?4 ?( d2 Q) f, u
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CATFrmEditor * pEditor = GetEditor();- R: [/ }5 ^6 r* a$ O) q
if (NULL != pEditor )
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cout << "Editor got OK" << endl << flush;
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else
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3 _- |! j0 j6 _ cout << "ERROR in getting the current editor" << endl << flush;
& H; _$ Q* [* e return 1;. |& x+ o6 o& v0 T" X" G" z a
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CATDocument *pDoc = pEditor->GetDocument();
2 \3 l$ R& {4 n3 s6 Z! n, W9 L4 mif (NULL != pDoc)* U2 }5 D0 a# {0 y/ F" L
{
. r" j; Q4 {5 Q cout << "Document opened OK" << endl << flush;
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else$ G+ K0 Z. T9 J
{
- y. k3 D3 r4 _ cout << "ERROR in opening an existing document" << endl << flush;
4 e( b5 S3 [5 A* t4 ~ return 2;, X: ]4 N$ S' y. @3 N% ^/ s9 U- H
}
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该指针的获取还有其他方式,如通过CATILinkableObject 类获取。1 S Z4 p# S1 [% c( C9 L
4 保存文档(Save the Document)" l, t- w6 Z5 S% N% S! V* G
4.1 另存:即保存为新模型
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CATUnicodeString savePath = "XXXX"; //文档保存路径: s! _/ R4 ^9 A* n# z
rc = CATDocumentServices::SaveAs (*pDoc, savePath );9 h; u/ O( z7 P7 i5 `; N
if (SUCCEEDED(rc))
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+ _# Y7 X+ w0 H, @2 r3 S( ?& k3 [* _% E cout << "Document saved OK" << endl << flush;! a/ |5 c6 }8 x! V! [$ U; s
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else
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cout << "ERROR in saving document" << endl << flush;; Z4 r# |4 H ?+ G; y: k
return 5;
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4.2 保存:不更新保存路径& ~6 M" Q0 a$ v* G; {
rc = CATDocumentServices::Save (*pDoc);* X0 B' g3 J* [# U# }9 n p6 u- ?" P
- F) q" q. W6 X* m6 ~& N4 xif (SUCCEEDED(rc))) J# B* }/ ?' d, u" g0 c& v& z
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cout << "Document saved OK" << endl << flush;
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, N6 e* H% Z2 Z0 B, E' selse
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cout << "ERROR in saving document" << endl << flush;) J( _% T; H; N. G) [, D& n+ r! l; M
return 3;
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5 删除(Remove the document)
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3 m' A+ i8 u) A6 Frc = CATDocumentServices::Remove (*pDoc);
5 J3 @5 e! {5 P9 Q+ P/ nif (SUCCEEDED(rc))
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$ M J+ F4 \9 W4 b- p& a7 ^ I9 P cout << "Document removed OK" << endl << flush;
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else
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cout << "ERROR in removing document" << endl << flush;- [( v; h6 i ^2 p( L T* o
return 6;8 \9 m3 [- O" `+ E
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方法封装' H2 D6 ]( a( ]$ `' [/ H& D
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% z1 j9 X( j4 ^6 s
输入:$ i' I( \7 k7 G5 I! ^; W
CATUnicodeString PathName //文档(模型)的路径) z( I7 z$ l( f! V, l
输出:" _8 E6 |4 d9 Q: t$ S2 N: f
CATIProduct ** opiSonProd //文档(模型)的指针% X+ M& b \1 v7 Q# G( T* [
) ^9 Y; x7 n; A' y辅助功能函数:( I. {5 P. _! S3 g8 f8 J; p; c9 ]
获取当前模型树根节点
# z8 [7 V4 l+ y) ^* _( \模型加载后可视化+ _, i7 k. Z1 c l+ O4 b6 ?" u0 Z
刷新根节点
* G4 r4 m5 l; t% U! F6 }) V, v! R----->打开文件
8 h0 X" h6 {$ i& p3 i+ ?CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)
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7 e1 T8 ^3 R* E! B# @HRESULT rc=E_FAIL;
3 }: q3 Z% Y* O" u( ^" s; K$ SCATBaseUnknown * pRootProduct = NULL;2 ?1 R$ y/ J2 k& [$ s8 [4 A" n
CATIProduct *piRootProduct = NULL;7 E& [$ W" h# e9 Y- W m! a
rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点* _* P+ @' D4 Z0 O8 _ Z) [) K# z. b: W
if (SUCCEEDED(rc))
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* t. n* n# c! J+ H1 o+ Jrc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);
# w1 F( }& \) W8 H7 [if (SUCCEEDED(rc)&&NULL!= piRootProduct)
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q* e. A$ M$ G7 C% G j1 @CATDocument *pInstrumentDoc = NULL;
& s7 y5 g' s! X4 [9 ]% n0 k, QCATIIniInteractiveSession *piSession=NULL;
* @- d9 [: c+ hCATSession *pSession = NULL;& J* Z( [# H: A! _* K8 Y0 Z4 c& E
rc = ::GetPtrSession(pSession);
; @/ e* }' o- s- `5 zrc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);, z% \+ Z# j9 V2 K, T' Q
CATIEditor *piEditor=NULL;
- p$ A; ^0 V& I0 Mrc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;* h( {$ _6 o: R( {; C3 J- w: M; [" r( P6 ?$ u
if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )
0 J% b0 C2 O8 b f w2 F{ cout <<"The document" <<PathName<< " is opened" << endl ; }
) [8 W; j" |" }* @else7 \6 D; k4 x3 r3 e
{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }
( F9 Z6 ], D- `2 s, wCATIProduct *piInstanceProd=NULL;' y7 P2 m2 g% 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
, |3 H# j) {( S U9 Fif ( FAILED(rc) ) return FALSE;5 N: V! Z2 d2 P/ z; M! Z
// rc = piSession->Close(piEditor); 8 O% M$ d6 }1 R5 [: q' ^
* opiSonProd=piInstanceProd;
' ^. U) d/ ]- r* v9 bXXXFunction::UpdateProductRoot(); //更新根节点
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return TRUE;
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4 K/ X& ]7 R- b0 s+ q6 u----->加载模型可视化
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HRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)2 Z2 [+ ?/ P( n
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2 o5 r. i2 V- t* C7 Q" D2 s //AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP);
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5 X6 V- b, E: g$ b: h0 J! _ //AddExternalComponent全局函数所需的三个参数,
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- @7 s# ?( J) D) e //被**的product document的root product,CATIProduct类型
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//将要**的part document,CATDocument类型
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//the product instance of the imported document" @$ A4 M' V% f) Y" E% d
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//注意要**的document也要检索它的root product. ]/ p. ^4 K7 X( f& M& m
+ I/ y0 ~5 ~4 |3 ?2 b' S: C cout<<"添加组件执行"<<endl;
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HRESULT rc = E_FAIL;
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if (! ipiFatherProd) return E_FAIL; 6 t$ e i3 K9 L3 D- f3 E8 V
2 j' Y+ _) f) N9 `* Y( v if (! opiSonProd) return E_FAIL; ; O$ N3 I3 I) Q" c: r$ {/ T1 Y5 \
# T! j2 y1 w0 n4 x4 _ if ( NULL != iDocument)" S0 e, T4 h1 _: L; z$ n8 ~
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// Get RootProduct of the document to import.; d5 u J( l' W4 A
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CATIDocRoots *piDocRootsOnDoc = NULL;
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rc = iDocument->QueryInterface(IID_CATIDocRoots,
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(void**) &piDocRootsOnDoc);
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if ( FAILED(rc) ) return rc;
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/ u' \- ]8 U8 T/ q& @8 y( X CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();
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$ u3 K! U* {* q CATIProduct_var spRootProduct = NULL_var;
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if (NULL != pRootProducts)
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if (pRootProducts->Size())) m* I& V* A+ M6 x- A9 V" j
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& K! R! s. V ]5 f2 }1 B* l spRootProduct = (*pRootProducts)[1];, }% R+ a( ?5 U( F
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delete pRootProducts;
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pRootProducts = NULL;2 F/ E& X8 B1 K% y" `
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}
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& F" c( h: G' d. W! s2 \ piDocRootsOnDoc->Release();
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: w( D, n+ m8 d' x piDocRootsOnDoc=NULL;+ u0 ?: R( E. `6 U: T+ m
1 i: }3 l+ Y" q4 N+ Z3 C
CATIProduct_var spProduct = NULL_var; L* e( _4 I% p0 \6 L
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if (NULL_var != spRootProduct)2 d$ ^) m, D; B0 M" @
+ L1 Y# M4 C$ j+ G
{; E9 |8 v3 f$ Q
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spProduct = ipiFatherProd->AddProduct(spRootProduct);
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% r: p9 O( W: ?+ t% d4 ~+ {2 `9 Q cout<<"NULL_var != spRootProduct"<<endl;
& h( h6 V8 D' z3 } m5 {( y; }: g5 I2 t" y9 a7 A
}
+ ~. `9 D' ]( Q9 A7 X/ h
/ e' @; i) q" `) X: g) J0 a" k else
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{
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! Y/ [# F( j+ G2 i. d. z3 w- | CATUnicodeString docName = iDocument-> StorageName();- ]3 @" e( |6 ]$ W
* k6 [: m" j5 t) Y) _ ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);% h+ b& S6 H1 K+ c
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}
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if (NULL_var != spProduct)
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rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);
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0 z7 }) J7 s, S8 ~! h if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;: O( S+ [" L8 @0 S% y. L' S
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}
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}
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* q9 T5 h# t/ Z& s return rc; 2 ?3 R: j, N' X, R& T
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----->刷新模型根节点
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void XXXFunction::UpdateProductRoot()/ [ {( ~& ^# A* W) `/ s
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+ b( N7 w: r: f: @# C6 {" X+ l+ U; {- y6 C, B
//*******************************important**************************************" E5 E+ |9 v& a& i% V- G. w M& V
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CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();
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4 q) I) ^8 G Q: g CATFrmWindow * pWindow = pLayout->GetCurrentWindow();# m1 C; R0 n$ N& k6 o
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CATFrmEditor * pEditor = pWindow->GetEditor();+ W2 a" o" B0 N( z. N9 k$ j5 ]6 a2 Y( \
9 M$ }9 ?. }( B) `4 f; H5 y+ L 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
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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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. n! B; H5 _2 E CATIProduct *piRootProduct = NULL; ! [ @8 t+ E( \2 i. H
& x# t, w. l/ q* c CATIDocRoots* piDocRootsOnDoc = NULL;8 r8 a; h8 o2 w
" D! ]; d8 ]" r9 v% A- w: p1 H' ]% r HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);3 \( @, w; n6 V4 Y) r+ C2 P
3 c" U# O; { F7 O/ l0 L if (SUCCEEDED(rc))
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{
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// Retrieve the root product which is the first element of root elements; ]1 w/ c5 k4 W) L, F
$ n3 x5 y( o4 H CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();
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piDocRootsOnDoc -> Release();
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( q( c: P; P) `- | piDocRootsOnDoc = NULL;
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! X7 g0 ]4 R, I# d3 _8 w5 n# R CATBaseUnknown *pBaseRootProduct = NULL;
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; r% T. z5 C/ l$ Q$ Y, f# {- a if (pRootProducts && pRootProducts->Size())
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( C# Q8 y i" Q0 Q6 C% I, h pBaseRootProduct = (*pRootProducts)[1];
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delete pRootProducts;, P+ u2 @( y/ m2 @) ~! {
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pRootProducts = NULL;+ m1 b/ @& Q, u# h: A) z
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if (NULL == pBaseRootProduct) return;
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! ^2 ?2 n3 {* g2 U rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);
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9 A; U" p4 p0 J* W. | if (FAILED(rc)) return;
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//对模型树进行刷新
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/ b. o( N' D% b o1 S3 A CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新
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pPartRenew->Update();& l& a0 ?0 W( J t' X; v
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: S1 t2 Z, b3 K else return;
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//----------------------------------------------------------------
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2 [4 q4 ?2 R4 ]- D2 q' | //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。+ I+ \3 a- j1 o
g- y ?9 ?: F7 N+ z8 T6 n CATIModelEvents_var spEvents = piRootProduct;( |) }+ K R, L# p
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CATModify ModifyEvent(piRootProduct);$ Y' H7 E1 Z* u" q
7 i( C6 a1 T0 o5 u9 Q+ m spEvents -> Dispatch (ModifyEvent);
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. i1 b8 Y2 j8 y1 R9 P //Update the graph view* C1 V- _9 U) j& s+ \
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CATIRedrawEvent_var spRedraw = piRootProduct;
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spRedraw -> Redraw(); " [4 c" W2 ^& Z3 e
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piRootProduct -> Release();! Z) z% \# R9 q2 h8 f
; g& n; E' i! z piRootProduct = NULL;4 x7 g; |% q0 ~) `8 L" f/ E3 K8 h
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