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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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! @, Q, I8 ?8 x" `/ U8 \4 oCAA中对文档操作的基本步骤如下:" S6 S: f8 v& E; G5 w3 o2 B
" U+ d# Z$ T& _3 D- [2 d创建会话 - creating the session' {- F- Y8 b4 e$ U) G2 M
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新建文档 - creating a new document
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调用接口 - Query Interface5 u1 p$ ^$ v5 N. s4 p5 \/ p. _' N
. V: q# ~0 h& O: F获取根容器 - retrieving the root container
/ Q; i9 f4 j9 O+ ~: z D0 I; u( ?4 U/ Z0 G$ o, V- Z
保存文档 - saving the document
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删除文档 - removing the document8 m0 m- P( i3 H9 q( Z! S
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删除会话 - deleting the session
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7 B7 J4 r6 f- Y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。+ k2 I0 S0 n5 C; K
; z" `( N* u5 }, D下文将对各步骤进行补充说明。" m( D3 R" w \' A& L1 w. X' l
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1 文档创建(Create the new document)
6 h/ y& V6 T* R/ t文档的创建通常有以下几种方式。可比较CATIA中文件菜单项: g" F& X2 y5 O
New:新建一个空文档6 m) E- D0 Z6 D# f: x8 d' D" q: Q
- R. D2 j4 f$ f3 L6 q6 B: ONewFrom:新建自3 w& n3 G O" x, ]+ ]
- N! u: b3 |9 Z新建文档代码:
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CATDocument* pDoc = NULL;8 [: {. s- t5 O4 `
HRESULT rc = CATDocumentServices::New("Part",pDoc);! v* m6 H: i9 b; z
if (NULL != pDoc)& H: q, z d B
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cout << "New document created OK" << endl << flush;
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2 c- g+ ^0 f3 W! @else; i5 m! f) ]9 r" D2 \. K" X
{
% Y; L) i v* M: S% B cout << "ERROR in creating New document" << endl << flush;
8 H' g) p+ r d3 O- \" m f return 2;
# z( Y, U- u! W( ?4 t8 {}1 L( P' [0 K [- |7 u) L& ]
$ j m( G* b3 c* n* a+ Z [* w# ]$ b2 文档加载(Load the document)
& Q' ~1 j; Q: x9 k8 ^文档加载即打开现有文档,主要方法包括
! W3 p4 e3 a$ R% y f; QCATIIniInteractiveSession 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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* {& a! {) k6 I) b0 S$ MOpen方法: ?9 v% \# J- h C" |- w/ _5 ?, g
CATDocument *pInstrumentDoc = NULL; s& ]4 _: G! n2 H6 Y: @
$ u8 H- l2 \, n+ KCATIIniInteractiveSession *piSession=NULL;
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CATSession *pSession = NULL;
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rc = ::GetPtrSession(pSession);/ M; [7 g! `5 R0 L) i0 |& A# O
9 c! c& `3 @9 m, B* nrc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
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5 a5 x- C, }$ J8 ~( n7 xCATIEditor *piEditor=NULL;/ o( B6 v, c7 j5 R
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rc = piSession->Open(PathName,FALSE,&piEditor);: J* f: o6 r- \2 B4 [
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CATFrmEditor * pFrmEditor = piEditor->GetEditor();8 \' ]* I/ m3 h$ [4 g* z5 \' K
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pInstrumentDoc = pFrmEditor->GetDocument();
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......
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OpenDcument方法:
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3 j3 q/ u, }( k ]- Y: C/ KCATDocument *pDoc = NULL;
2 V4 Y. `; }4 ?3 ]CATUnicodeString storageName = "XXXX"; //文档保存路径名" c z' @3 E7 _' d8 D$ A- H+ O% a) u
$ v5 k, \1 }% |% e" Y B" Grc = CATDocumentServices::OpenDocument (storageName , pDoc);
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) K8 g! z- P, k/ R0 mif (SUCCEEDED(rc) && (NULL != pDoc))" U* c8 m/ f0 i h% c- x
{
. F) y" ]# X8 c) U: h6 l cout << "Document opened OK" << endl << flush;
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else( h1 |& n3 { {0 y
{$ s, v+ N& _; v4 L) Z$ I
cout << "ERROR in opening an existing document" << endl << flush;
, v" P/ ~: P5 S: {+ |- ]% Q return 2;0 R% U% v4 o" `+ e! U* E4 S% J
}
# K' C. Y7 x# G e' e3 获取当前文档. }% n9 \" ^/ s. S S* T
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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- @7 t6 M2 L8 ^: ~: Q: DCATFrmEditor * pEditor = GetEditor();. C: g6 B! K S( e7 Q7 S
if (NULL != pEditor ): I' z6 ]- r6 I# d9 M
{
% Y% J8 @7 j" A$ L# v0 t cout << "Editor got OK" << endl << flush;( ^+ {& \9 _- Z
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else* H* B# I* Q/ P* y, o4 Z, C
{
! i6 K! I- L9 H+ ?5 j' L cout << "ERROR in getting the current editor" << endl << flush;
/ M7 w% |7 d& Q n: H return 1;
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! Y v2 F# G% `+ y, p" {CATDocument *pDoc = pEditor->GetDocument();
. Z0 D' g% X' _6 j! F$ Y5 Pif (NULL != pDoc)
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cout << "Document opened OK" << endl << flush;
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cout << "ERROR in opening an existing document" << endl << flush;6 p6 W: a, U" x+ _' W
return 2;
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$ G% U. B8 C% K; }& e( r) f8 w 该指针的获取还有其他方式,如通过CATILinkableObject 类获取。2 L1 C. Z3 V3 o4 N* {" ^
4 保存文档(Save the Document)4 Z, n) t. L' T! I, w
4.1 另存:即保存为新模型
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CATUnicodeString savePath = "XXXX"; //文档保存路径
6 W k6 B, n1 M7 h8 a Qrc = CATDocumentServices::SaveAs (*pDoc, savePath );/ L% B) t6 `5 h4 e, S0 s+ J/ D
if (SUCCEEDED(rc)). \0 T# \& \, u9 c* n
{
' k; U+ K. m) T cout << "Document saved OK" << endl << flush;
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- f2 i2 q0 f! ^1 W9 Q1 N4 pelse
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cout << "ERROR in saving document" << endl << flush;
, _1 I. s" K; V4 d) z0 w. W return 5;
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: D: B* \- Y% R0 o1 E" u4.2 保存:不更新保存路径! G8 }& W- w! M. g7 @: R, K; a+ a
rc = CATDocumentServices::Save (*pDoc);
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if (SUCCEEDED(rc))) Y' O2 {) h0 i7 ~ s- ?" T
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cout << "Document saved OK" << endl << flush;
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else
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cout << "ERROR in saving document" << endl << flush;
- m* W3 w% ~3 r0 x w return 3;- t" B7 N* _/ d$ v5 J& p* G
}
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5 删除(Remove the document)
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! l+ L. O3 m- D( g* brc = CATDocumentServices::Remove (*pDoc);8 _! i. {( Y* \8 T* p
if (SUCCEEDED(rc))
, x+ {- [4 r, Z! \0 P4 E% x{
* H+ Z- C7 u, u5 G* y$ t4 \3 S4 G cout << "Document removed OK" << endl << flush;: ^& b6 o- r7 }6 X
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else
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. t* w6 B y) I cout << "ERROR in removing document" << endl << flush;
2 G8 p) @% h0 v6 x4 Z* P( t return 6;
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( P: R& o! g0 V$ p7 M8 S方法封装8 u- z, Q4 x# `) B% ?! g
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 ]5 g( H8 m$ ~4 F
输入:& e% ^0 G1 U# n5 X) J3 _8 a
CATUnicodeString PathName //文档(模型)的路径) u* y# g5 Z6 z% Z) j3 H
输出:( I. B% U4 U- ^
CATIProduct ** opiSonProd //文档(模型)的指针
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辅助功能函数:0 X9 P' D. t. x4 W' k% O; Z5 _
获取当前模型树根节点4 c8 \2 U) r0 y, u2 G# ?5 O
模型加载后可视化- B7 p( I1 b: {! o, c
刷新根节点, v3 j! {$ r% ]1 C- s) g
----->打开文件
2 ?0 b; s+ `" n2 V, Z9 U" yCATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)0 E2 \/ d/ ^, S# z- e5 w
{
' Q, b. f: p- q% }HRESULT rc=E_FAIL;
; T/ P! E: z; |CATBaseUnknown * pRootProduct = NULL;
# F8 M1 L) Y3 [* @- Z) tCATIProduct *piRootProduct = NULL;
3 Q3 J& `+ Q1 src = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点
) n3 p4 L4 f) w/ \6 V( P9 f3 n' x" cif (SUCCEEDED(rc))1 U0 n3 ~, `: R0 p2 U- l* v
{2 L* L* {# Y" L! z- y+ ]5 P
rc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);
3 B+ R7 w/ e3 S. @ C8 Wif (SUCCEEDED(rc)&&NULL!= piRootProduct)
; Z, V! o( A$ Q' k0 |% G{$ V# n1 q4 v. t2 [- o1 g
CATDocument *pInstrumentDoc = NULL;9 l z7 ]6 K2 B$ u
CATIIniInteractiveSession *piSession=NULL;! z7 ~* A* y( ]3 C
CATSession *pSession = NULL;9 k: B ?3 b6 c' k- A. c! K) d
rc = ::GetPtrSession(pSession);2 H; p" u" P/ r9 x- q* [5 i
rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
, @# A- d3 N: m a3 D0 \) c! j* QCATIEditor *piEditor=NULL;
0 m+ }; {. v# m; n& y7 Frc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;: x) G. h6 f. t: b. |
if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )
9 A0 r# T' k2 l{ cout <<"The document" <<PathName<< " is opened" << endl ; }- E1 A8 Y& I3 G
else5 Q1 k; T9 O# }! ~6 h
{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); } m" Q( @. C+ Q" O2 X
CATIProduct *piInstanceProd=NULL;
/ h# D1 ]9 n" d& z5 e1 Prc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下
, y) V0 v( j( [ M s" iif ( FAILED(rc) ) return FALSE;
5 A# {) O: [6 P1 k5 o! s# S// rc = piSession->Close(piEditor);
, V9 K: T. q& Y. Q& R1 X* opiSonProd=piInstanceProd;: O6 q- I" g o& U# p) [- o
XXXFunction::UpdateProductRoot(); //更新根节点, D" P4 N P/ X1 |- {
}
# O* a4 E( u9 _& @9 g5 P9 g}
/ U9 F3 p0 u0 h3 u* e, lreturn TRUE;5 D( q3 s2 {( a1 n* j+ ` K0 m+ s
}8 M* K* X Q2 ~& ^; M) [& Y
----->加载模型可视化! T: c8 c" s* E s
3 ^% X' L/ K! K/ R' Q9 ?8 F" w+ FHRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)$ s4 K2 K, A, s
/ O1 D/ P# n; x- k3 q: |5 E
{
" C% G; o& W# O- f5 i. ^3 N
9 u% p4 r3 }% Q) D //AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP); : H! y- q) ]' A
1 M, D* a' ?' k) p3 l) F* g% l/ V //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
4 p2 B) @' z% l# w( [) @' V" D% u7 K% t+ t# w
//将要**的part document,CATDocument类型5 b+ l, u6 n& _2 F
% a( \3 B0 m6 ]/ e //the product instance of the imported document
* L7 C* B E5 l% g9 n) w7 E {2 }+ S& d0 G- d4 V
//注意要**的document也要检索它的root product
$ |1 [! B' n2 s% R" ^
- ~- H7 }$ l+ `% S* V% d% j cout<<"添加组件执行"<<endl;) s. \+ [; E& D3 K
, b E3 x& `3 k8 _ HRESULT rc = E_FAIL;; K8 Z- [* S2 c9 n& {* m
% P& r7 }" M6 Q5 w% M: ^) F
if (! ipiFatherProd) return E_FAIL; 7 {3 Z. [# [, w8 ~; ^- e% X
8 u" R3 m4 C1 {1 [3 } if (! opiSonProd) return E_FAIL;
2 q0 P2 `& d: h; {( W6 n# t
6 j. h+ Z) h7 K- U$ n) Q: A+ _ if ( NULL != iDocument)
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7 M) ~% a; @4 [, m6 T) y9 \( n8 R" q( a& F; l2 A& C) L
// Get RootProduct of the document to import.
1 s7 e S# S" ~2 o4 `* J9 |
+ Z- ~9 {( w/ _( v4 t7 a CATIDocRoots *piDocRootsOnDoc = NULL;% n ^& A: \3 U3 o: z5 E" Q- b
; x, ?6 L( k! H rc = iDocument->QueryInterface(IID_CATIDocRoots,
" t6 x& u+ G4 |# n Y: t6 d% \: Q9 P5 N6 P+ F' C$ U8 p. Q K
(void**) &piDocRootsOnDoc);
) {( |0 I9 {2 u7 W" R( ~) Y
! S: U5 {* F0 T! q6 `6 Y6 S if ( FAILED(rc) ) return rc;
9 m& w& e) w) b9 W" D. E) i
& a' h, P# H# \7 D2 a CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();
. f4 {% O8 q' ?3 Q4 ]$ s- x7 e+ W5 h6 {; e' Z2 q
CATIProduct_var spRootProduct = NULL_var;
6 J! E i0 Z9 H9 F7 ~$ ^' c; @* y7 A' [" s: O( g. l) v
if (NULL != pRootProducts)& I$ P! w5 Z6 r3 ^/ `
- e5 I5 }8 l6 m4 z4 J4 Z X6 J- ~
{
i% m5 P' p$ m( E. m( Q) S7 X
+ |# t; E0 `7 ~9 g4 Z8 m) r. ^ if (pRootProducts->Size())1 Y% l0 {' V, c( V
, d) o& [* i' `' ?7 I
{
: r# b+ [2 H3 M# c# r3 `9 ^0 Q4 ^' w
+ \* M+ T8 r3 b; T spRootProduct = (*pRootProducts)[1];
! Q& m9 L* I: `# }8 J8 l" x- }1 {& S. ]
delete pRootProducts;* d. p p; Q2 L! n3 m9 p
. k- |: z: I! B! g0 f4 B/ B. X. ?, a pRootProducts = NULL;
+ ` R" u2 S0 m# o5 n
9 n9 M) e* o( M6 [* \& E }( X6 E2 `( X& R5 \+ X
- W- i! h* `( N; [" d W
piDocRootsOnDoc->Release();% |2 Y ~0 M, x( u9 Y; g; h1 S
0 d9 [ W. H9 Y% g) t6 u: c
piDocRootsOnDoc=NULL;
: V0 J& s; w9 e& `' o
) K0 E6 o9 b9 w: h& `) R7 N, K CATIProduct_var spProduct = NULL_var;
# P8 W1 a d: ?% x, r; T @. P2 e9 e% r
if (NULL_var != spRootProduct)
3 U# @) w( Q! Z: V: z
1 |/ S: U8 X7 }7 z* h! Q {
% i9 Q+ ~$ I5 |% ?$ h1 q2 |5 T, U7 r6 ?
spProduct = ipiFatherProd->AddProduct(spRootProduct);' ]# H( ]. C9 K4 {7 g* b
6 y: R& b1 z: @3 M# K1 w
cout<<"NULL_var != spRootProduct"<<endl;( a$ S( G5 a# n+ _& v6 @1 j
; x, f' U+ [# t6 U* N8 H, P }& b8 A# L1 f! I5 Z. o2 ~
) O6 S- t% J- _# R
else
3 |( y/ C- ^2 G+ A. `2 s3 C) j. C- x5 S5 \; v0 M
{3 b; d" D2 g# c' o1 W) i* Y
2 V+ `2 m! d6 ~ CATUnicodeString docName = iDocument-> StorageName();; K2 M6 Z8 l5 d3 Q6 G" }' G
, H) l! x9 S8 @' O! R! Y
ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);) t3 c4 c- x1 G; H }% Z; j& U% t) v+ i
' r! ~% Z x1 j5 H
}' J- I, A9 Z* _4 }9 @
4 h. `; {: J9 `3 a if (NULL_var != spProduct)
0 d/ A9 S$ m; @4 |' [/ I7 [" _- [
% R6 M2 D' T( g5 l {9 I( K; o' z( r% g
5 S Y; r5 R7 f" S3 q+ D# O
rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);
. U& t+ a8 W+ t: z7 R1 Q3 d) b- R0 a
5 w% W" n8 e6 q! w$ E if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;
& O; m2 Z8 O+ V: V. d5 `) X
- d3 [# A {, `, H$ w }
8 ^ U$ F: r e( p; n, J" K9 {) y' a* A& s$ n! x4 g6 f. L9 C
}
+ R- Y$ x' O# B- ^
2 ?# y) o( ~5 P* {! E }
% x& T" \$ i; z9 `1 O4 \
5 U1 r! p' l Y1 D return rc;
& }% k7 z% N. X( x7 w" z
$ i c7 g. n1 H7 [$ g2 b, T}
- o5 P! M' d* N2 C8 l: v) M
5 E4 {3 O/ D) c# T. r4 h3 _----->刷新模型根节点& ^7 P( k Z0 C2 P; ?9 u2 f/ M5 J
) ^/ b; W- P/ I- P0 _/ T5 q1 Z evoid XXXFunction::UpdateProductRoot()
% m' g! v4 ?1 ]0 X R, |( M
; l. z* f& ]& c- ?{
2 P5 |& e9 X& J. Z' `
. o! K$ R% h7 V2 n0 Q, Y8 `: T3 [ //*******************************important**************************************
: B8 F z1 _7 P1 ~2 h4 [
% @1 N. X y& x8 g5 ` v CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();
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4 O6 p9 T' U- `% F! ? CATFrmWindow * pWindow = pLayout->GetCurrentWindow();
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CATFrmEditor * pEditor = pWindow->GetEditor(); w0 }: C4 I) t. [
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CATDocument * pDoc = pEditor->GetDocument(); : }# ]9 i. B1 z! ]" T% n. @
) G) Q. E% `! A& P5 @6 [0 Q6 a: N //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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$ i4 D4 q" c" J. m# R2 b CATIProduct *piRootProduct = NULL;
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, s' }) B, w( i7 ]1 _ CATIDocRoots* piDocRootsOnDoc = NULL;
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* ^9 j; m8 X3 q- U% G HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);+ k- x+ E* } r5 u
7 c* a7 M1 s, c" A( K9 M if (SUCCEEDED(rc))
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// Retrieve the root product which is the first element of root elements1 m C7 ` Q5 }0 ?6 M5 d
& t2 x; U7 x3 L! z CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();7 k: t) B/ \! P' r0 \" K8 x
9 u; F! r P, ? piDocRootsOnDoc -> Release();& z+ R2 k( T M& W+ O/ j
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piDocRootsOnDoc = NULL;, h( I5 L. C c6 s/ i9 v4 G
& k, V: c, Z, T CATBaseUnknown *pBaseRootProduct = NULL;
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if (pRootProducts && pRootProducts->Size())
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pBaseRootProduct = (*pRootProducts)[1];4 P+ }# M1 b7 P# d% ]
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delete pRootProducts;
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% j* E. r1 M w5 F# N. m$ _ pRootProducts = NULL;
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if (NULL == pBaseRootProduct) return;/ y# v' M& ` M; Y0 K
# N' H! ^( w% M6 z H1 N rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);: x' \! |' P3 u4 u* Q
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if (FAILED(rc)) return;8 j' I$ a3 y# p' S$ ~& |# w; W
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//对模型树进行刷新
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; x0 ~0 }7 q" S8 E8 I1 A& G CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新# Y7 |7 W) F) j. C( S
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pPartRenew->Update();
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7 j* Z3 G }; J: o else return; & w5 I9 q0 C0 X, |; H
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//----------------------------------------------------------------
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* W3 j6 c' i- f$ i3 u* b) T y //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。5 Q: O' [( f& w6 h' z/ `
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CATIModelEvents_var spEvents = piRootProduct;6 h9 B. i/ U4 Q, e/ Z
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CATModify ModifyEvent(piRootProduct);
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C7 ~8 @- s, }4 n spEvents -> Dispatch (ModifyEvent);
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//Update the graph view3 N! ]+ [% f2 x: K0 m
; m! t; t) X. |" D9 j. j CATIRedrawEvent_var spRedraw = piRootProduct;% E( K8 d; W3 N$ L4 ?6 z' G0 }
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spRedraw -> Redraw(); - p" x% O/ Z$ k) g6 Z _
3 v [( _5 N1 H, B# t; {3 F piRootProduct -> Release();5 L( D2 P" G! Q6 @, H
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piRootProduct = NULL;1 @! A7 H) H3 f0 s, j
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