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CAA开发之文档操作2 C$ \; |' U( N# h5 i2 u: R
% O% }- Y2 k9 r) }/ f/ D: z
. R9 }7 c6 g1 D7 Z9 \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。
1 D2 X2 u) r. t7 I
- v$ h# o& U* e% d5 i% Y+ QCAA中对文档操作的基本步骤如下:
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( |0 R- a: M9 O, |7 e创建会话 - creating the session
4 {) C6 I7 E' y; D k [- p
Y( z |0 [( E' q4 d" V! s" d新建文档 - creating a new document
" X1 r1 [9 s h& s) t5 L; V1 C: b$ o5 C/ L
调用接口 - Query Interface9 H7 _2 D0 T$ P3 u3 v w* @
! `- Z/ F0 p2 N, v+ K; X- W获取根容器 - retrieving the root container
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3 c$ R: u4 c9 e4 \4 T保存文档 - saving the document! b6 I; F/ j) J4 {( N: M
( E s! q7 N! @- Q删除文档 - removing the document
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删除会话 - deleting the session 4 O( I& ^3 \0 W3 Y# p
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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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B. Q; [5 ~8 M1 {, |! S1 z4 L5 Z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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. d' P% J' @, u& z: o' J3 r下文将对各步骤进行补充说明。8 Y$ c- W; H8 V0 o' l7 b9 G* Z
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1 文档创建(Create the new document)
- |1 a1 u0 z# n8 j, C文档的创建通常有以下几种方式。可比较CATIA中文件菜单项3 ~& y1 x c6 N; s
New:新建一个空文档6 u1 I6 M. l3 q, W _: u2 I
9 a3 ? Y+ O' B! n% lNewFrom:新建自
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新建文档代码:' h' A; V5 K6 d% i. H) C
( S1 x6 L% r/ a8 fCATDocument* pDoc = NULL;) ]0 l) x6 k$ u/ x
HRESULT rc = CATDocumentServices::New("Part",pDoc);5 f8 C1 R Z( q7 L, O& s6 T2 s
if (NULL != pDoc)8 o3 O9 ^8 t9 X; o# ?% _0 {
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cout << "New document created OK" << endl << flush;$ Z! f7 }' r. I2 h
} Z9 k. ?0 a4 k9 G& B' ?- K/ b& u
else
' n* E$ A! v# y5 ?{
5 _( j j9 }5 M3 A; Y cout << "ERROR in creating New document" << endl << flush;3 E# {) l! n7 u2 q1 d8 t
return 2;
# P3 s& m4 m* ^+ V1 c3 `}! ~+ O- |8 J9 j: N% P4 Z' _
7 `% G; p: B1 s* _2 `+ d& O5 j2 文档加载(Load the document)! _- j! W+ ]4 ^8 E$ i2 ?
文档加载即打开现有文档,主要方法包括
# x2 M; g% f) a& P d- P9 P4 ~3 x1 ]6 RCATIIniInteractiveSession 中Open方法:打开文档并可视化显示
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8 `5 y& E: n& g: ]CATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行
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Open方法:1 T$ m j# n( T8 }0 u
CATDocument *pInstrumentDoc = NULL;; g) y) O- U+ L5 U2 Y5 f# I9 B
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CATIIniInteractiveSession *piSession=NULL;
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CATSession *pSession = NULL;! p/ a$ m8 v. B: ~( v% o
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rc = ::GetPtrSession(pSession);. w/ F* T5 p y4 I1 h) @, V
% x0 M9 `0 m' c5 u" orc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
. U1 u# F7 c9 E$ q2 c
# e0 [6 \' V* W# q% Y$ e* KCATIEditor *piEditor=NULL;" f; g7 [) l6 e& [7 w: f
2 t0 Y, g% U- e5 J9 Prc = piSession->Open(PathName,FALSE,&piEditor);
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8 K b: P( L; d) Z3 l+ KCATFrmEditor * pFrmEditor = piEditor->GetEditor();
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4 |, F8 z: r' H' ppInstrumentDoc = pFrmEditor->GetDocument(); 6 G0 I1 A: {+ _/ e( ?% M
0 O p X* m' u4 g5 t& n- j ......# C5 o" A' ~7 S, t
6 v5 Z, Z* ^' ^. |# e" D0 u! i& ?
OpenDcument方法:5 h- {) K; \' z
0 r4 z' G: p; x, A; JCATDocument *pDoc = NULL;7 I& r1 H1 j0 P, v: f
CATUnicodeString storageName = "XXXX"; //文档保存路径名
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rc = CATDocumentServices::OpenDocument (storageName , pDoc);
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if (SUCCEEDED(rc) && (NULL != pDoc))) B/ ?2 q* Z) M% C ]0 _9 t+ y
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cout << "Document opened OK" << endl << flush;! w8 f, k& K } ^
}
8 G7 K+ j' ?( O @1 Z1 n$ [* Aelse
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cout << "ERROR in opening an existing document" << endl << flush;
1 f4 e1 {( r6 E( ~* f6 m: Q1 I* d7 i return 2;
% Z9 Y3 V; i( i} |$ n# [7 y8 w' u
3 获取当前文档
( @9 f) j+ `" f4 G2 c9 q9 b1 `; s& K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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+ D, M* w& d% U ~CATFrmEditor * pEditor = GetEditor();: u" ]& x9 E2 @5 V H
if (NULL != pEditor )
3 @* }8 ~4 S) ]9 J" j+ P{
3 W- M( ?; i" w0 v5 ~ cout << "Editor got OK" << endl << flush;4 a/ W& R% ]. ~$ W5 ^ X
}
* E- q8 r( h. D6 N( \ U9 Lelse
7 Q2 l# u3 t$ o5 z/ Y{
" O& Z$ G Q4 l cout << "ERROR in getting the current editor" << endl << flush;
5 i: Z+ j Y$ c$ F2 D! F return 1;
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CATDocument *pDoc = pEditor->GetDocument();
5 t2 s7 a' ?8 R. Nif (NULL != pDoc)
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cout << "Document opened OK" << endl << flush;
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else
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cout << "ERROR in opening an existing document" << endl << flush;. e$ k, F/ l/ N3 k
return 2;7 o1 N: C4 k6 b" g( q8 a; ]
}
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该指针的获取还有其他方式,如通过CATILinkableObject 类获取。
+ O- M# M" O- d, r; E4 |4 保存文档(Save the Document)5 a- ]- g4 q: F# j( V" V
4.1 另存:即保存为新模型
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CATUnicodeString savePath = "XXXX"; //文档保存路径
4 N% F1 w, y& }6 L0 h! crc = CATDocumentServices::SaveAs (*pDoc, savePath );# I# ^/ a z- E& E
if (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;
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else
7 Z; Q5 H a1 O" L# i{
9 y5 ~' N7 l1 w6 @& Q cout << "ERROR in saving document" << endl << flush;) O T# P& S. L1 [# i( D; j
return 5;
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$ v0 `& o3 W! u
4.2 保存:不更新保存路径4 l i1 g9 L6 J0 a- Q
rc = CATDocumentServices::Save (*pDoc);
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if (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;
9 ]& J- \' h6 c& ~}
6 S1 U$ R! Z) C$ Nelse$ ^* w1 d- ^0 J- K
{
# s! r* m' i% e9 u; w cout << "ERROR in saving document" << endl << flush;
( k6 o$ [8 U+ n* U: {8 M- c" R return 3;
C, H! y( W( S- H+ e}! x5 a# R5 g* ^8 |7 Z/ M# A
- }2 R0 d( _. [. X' \$ H5 删除(Remove the document)
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& l* [/ P- r4 Q6 lrc = CATDocumentServices::Remove (*pDoc);
) r; N2 X/ K1 h# kif (SUCCEEDED(rc))
% j' x( m$ m8 `6 r4 ^$ J# ?. e{
' g, p$ E* Y7 j) u/ }2 @ cout << "Document removed OK" << endl << flush;
0 |2 F1 d# w# h& `4 P. o. \# @}
& i- c9 l/ i2 telse
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cout << "ERROR in removing document" << endl << flush;/ d2 ]- b* F( Q$ x/ Y
return 6;
) p% `5 g: ]- T}
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方法封装
. x7 O. x2 I7 u* v9 `2 Z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1 i$ Q" N, P2 H$ K' ~! r1 l
输入:
" V" k* P; o/ T& \. c# i3 kCATUnicodeString PathName //文档(模型)的路径
7 [% Y7 U. j& p4 S( _! C输出:, D s8 _7 z8 P; ?) a7 m
CATIProduct ** opiSonProd //文档(模型)的指针
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辅助功能函数:
4 B9 r- J, X y4 Q获取当前模型树根节点
8 C, V! G' S" e) U" U8 C0 E5 B9 I模型加载后可视化
+ O' x) v: q. U7 @刷新根节点1 y) c$ j: A% S. L1 P; f6 a$ l
----->打开文件
$ i- ]5 }' [9 a* A% d1 _; g ACATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)/ X' d4 m( {/ \) {8 u* \* s, i
{: s P; m% f- y. S
HRESULT rc=E_FAIL;) `& F% ^; `3 m
CATBaseUnknown * pRootProduct = NULL;6 `- s: P$ k; B3 r9 R3 a
CATIProduct *piRootProduct = NULL;
( b% B; m/ r/ O& L+ j0 I1 Irc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点' v9 N0 q* R, M
if (SUCCEEDED(rc))
+ P) Q W" u) {! i/ l0 v( n: D$ Y{, J, l% E& t' ~/ @
rc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);" ?( x, w' c- K+ Q8 y
if (SUCCEEDED(rc)&&NULL!= piRootProduct)
/ `, g& Z' a. j* o( E{
! y& F- |: w& C* \8 @, [3 ~8 O% JCATDocument *pInstrumentDoc = NULL; k- Z5 w) g& C; E
CATIIniInteractiveSession *piSession=NULL;1 K5 `5 {, g$ E0 W" q# i# | @
CATSession *pSession = NULL;
# v" f- A- w# E5 t5 A5 @rc = ::GetPtrSession(pSession);
# d1 Q1 ~0 K' }# c9 erc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
+ P# n$ U( p3 B. |* R3 lCATIEditor *piEditor=NULL;6 P5 q4 s" H& x6 I1 x
rc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;
- x- h8 n2 t, Kif ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )* l% {' O* ?: R O
{ cout <<"The document" <<PathName<< " is opened" << endl ; }
- q& E) e: w8 c4 I" Telse
8 ]" D) V! C1 K5 p( Q{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }
! {( X9 m" h, y8 OCATIProduct *piInstanceProd=NULL;
6 T l! w$ m1 Brc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下
# S4 ? r# `# `. a4 F% Y7 kif ( FAILED(rc) ) return FALSE;
% D | x% }' o/ x// rc = piSession->Close(piEditor);
5 {7 M' C; s* Z* [* opiSonProd=piInstanceProd;& C$ B* H4 U& V4 J: `: G
XXXFunction::UpdateProductRoot(); //更新根节点& X- _% s: y& t& T0 p
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}: {* J; j' N7 G' u' E
return TRUE;
) b( @0 u' h6 V% s}
) P% D) i7 a( z. J! c+ d0 G) x----->加载模型可视化
+ x/ H( ^' E5 T u( t$ C& A4 w# p( n3 I2 o2 J$ |2 h
HRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)8 |. @% u1 j# s, a7 c. h
3 `; |' ?0 o( F2 I
{
; C) p$ {5 s* Q" `) \8 X3 U5 U& u# j5 ~: P$ _ W
//AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP);
2 R5 r: `' m7 n( t2 p6 u
' M# _& F0 o" k) @ \& n //AddExternalComponent全局函数所需的三个参数,
& ]8 {" g4 o# L8 W5 S. `6 c& s! J$ l) U5 ]
//被**的product document的root product,CATIProduct类型
% V: U2 Q! ]" Q. P% {
# U/ U7 j, l, s+ {8 H: w, r' R //将要**的part document,CATDocument类型
/ z1 R! J3 f& v: f, L9 T
: K N6 J9 w8 d; j2 [$ h# O0 ~) w //the product instance of the imported document
9 d# e- G, e! N9 H9 L5 D: r; F
0 G1 _6 W, S2 o$ w6 C //注意要**的document也要检索它的root product( D) c$ Z9 \3 W" S" \
" m% \5 Z" h5 s) Y+ i& t' m
cout<<"添加组件执行"<<endl;7 C7 P8 W8 e8 C; p7 g
& E8 d! h) _( g8 R9 Z1 D
HRESULT rc = E_FAIL;6 J: j, M0 K& a4 R; p) w
" u0 k! \' X, r/ b% C5 Q; A+ m! X
if (! ipiFatherProd) return E_FAIL;
/ V2 q# `" n4 l5 T1 Q
: F/ c- J2 ^9 S" c if (! opiSonProd) return E_FAIL; 0 r$ Y9 X$ |. `, S
* G0 K: ^+ g, N4 D4 F T if ( NULL != iDocument)/ M& z) M5 y" t7 @" i
& F7 f0 m" }( H0 ?
{/ M2 t. P, m7 P
+ ?* M2 m3 K3 z) ^5 z // Get RootProduct of the document to import.
. o! t- E, n* c
) g; E' e% d7 @$ T4 K CATIDocRoots *piDocRootsOnDoc = NULL;
( `/ N% z2 \5 z$ e$ c/ @' [
& t& a8 H+ {! s4 l. Z9 M9 D rc = iDocument->QueryInterface(IID_CATIDocRoots,
7 T z6 T, ^* o* J
7 {& }$ [* j7 X2 X& ] (void**) &piDocRootsOnDoc);3 B1 j/ [' @( i6 [. V
2 m5 V& l+ k4 U5 G7 e+ L
if ( FAILED(rc) ) return rc;
0 W2 h6 f, [0 v- e/ U9 t# j
9 L( x- L8 e( g1 p0 O# E s CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();
- u) m$ {' ]3 {# f- U& W/ V
/ W: B9 M; R6 [/ v k! v. [& e CATIProduct_var spRootProduct = NULL_var;7 h' L; r- Z" R: z1 |' q- _
+ x& p$ v& Y# p, ^ if (NULL != pRootProducts) Y4 g$ ^0 m9 p! [* G' X0 o
4 F1 o( H+ W( |: m, X! X9 h {
( Q. f2 {- f% L" s. Y& j A& R
4 b: g* }$ C! x/ ~8 `8 J# h5 C if (pRootProducts->Size())& {2 k# R' P. V% s1 o) Z6 O8 l
) R4 T; o* ?$ S4 W {
' O2 f* w/ {3 r C4 O: _0 l1 ^- P* ?! {9 D* T2 L
spRootProduct = (*pRootProducts)[1];. C- F" H8 {' n
+ l6 U* t( C5 v# e' v6 \ delete pRootProducts;7 r& x% P y N7 N
3 D. k; a; u; U/ x
pRootProducts = NULL;; T4 f, H) r+ ^3 j$ \ p4 \
2 y' O8 }; E& E+ v1 E }
* @) ]& p( i: Y# q0 V. T; r9 d; t; G) L
piDocRootsOnDoc->Release();' n: I: ^. I K0 n# u
5 B" P" k/ F' A
piDocRootsOnDoc=NULL;1 F# S- Y, B/ {; S
8 W! f- j- T' H; o
CATIProduct_var spProduct = NULL_var;
: }6 R8 F& ?& V* [, N
! r! A0 ^/ y+ t" {" a if (NULL_var != spRootProduct)5 K+ y [5 N) _$ X1 }5 W
) q/ o9 Q) L9 Y. h T, h
{
: G9 Y& L& h- C6 Q* _! X
2 G1 w+ u; y( _5 d2 m spProduct = ipiFatherProd->AddProduct(spRootProduct);1 E( J0 r- h/ Z0 ]+ I& t( F
% `* E4 {& k$ K/ L1 {: U' m( n+ [; q cout<<"NULL_var != spRootProduct"<<endl;: z- W2 [6 K! D
1 S* Y/ e: v% O5 J: Y) G: \ }
2 t4 u9 I8 X9 Z6 L- k
$ s, w! z( L8 N. D& r, \2 D' C else
* T% P' y! V* P) [4 M
2 A, C0 E# @3 b9 o( w/ h7 q {0 c: k4 }( S/ P4 v# c
. J- |( _1 e3 ]( \. [0 S
CATUnicodeString docName = iDocument-> StorageName();
" r; V, X. `2 z$ D6 v1 T5 g8 u
8 m( X/ B6 c! i: H ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);, C- D* r% A, X6 q9 f% f! Z9 H
2 P# A4 c$ S$ y1 W
}
) V3 q2 F0 U$ c M: ^3 H, k9 X6 ^6 S8 c# ]
if (NULL_var != spProduct)
' b9 g& B9 |# _9 b- E% I, e' o8 O1 r! w' v
{
( W2 p7 l6 W' n) |, i! `
' v6 ]0 O! M) `. Z+ ~$ K/ r rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);" e2 q6 n9 d) M F! W
! _8 ?' @( J9 d) U) w b' B
if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;
# ]( p W% y0 D2 U& G, g; O
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& h& j: P5 }* i' W7 _' g }
: D; O, Z3 G. z0 p3 w' t4 c; y i" t5 c
}
3 J4 v( z. u3 B: q; S2 y/ |- w0 M6 {. _6 S6 w
return rc;
+ S7 E) Y' {7 P3 T, z
6 ^/ Y: l; }& z" p3 e" f} - d5 j5 k4 e& g& k6 p" J, C
E2 f: L% m2 N) f* J/ ~ y+ l/ Z* e----->刷新模型根节点
% A: s; L+ G- [% g0 ~. L2 w9 j2 l- ? U, ^) Q+ T) z
void XXXFunction::UpdateProductRoot()1 P' @/ P, E$ y4 P( P& V
, `5 {; U6 f% \( j8 u+ p{$ ]( k& C" Y( J7 p
$ o! p. ~! K0 { //*******************************important**************************************
. J) w% Q7 |0 b2 _
$ \0 C; _% M7 D, D CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();
; ?$ V' p3 l. M1 P4 v( B3 a' y. }0 ^# |. @/ F( e( ^3 B
CATFrmWindow * pWindow = pLayout->GetCurrentWindow();" x6 L( S* d5 o8 a" ^+ m
0 M @! v1 ^0 [
CATFrmEditor * pEditor = pWindow->GetEditor();
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' f- Z$ k) ^/ G# I2 [, h0 ` CATDocument * pDoc = pEditor->GetDocument(); ; B! c( U1 g+ W0 H2 v2 {& }7 n
6 k7 ~ ^" x/ Q1 i4 ^ w! h, i //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7 n9 E; h* U5 S; Y1 k/ S) P) V, T
P% M0 X* R9 ^ _1 T' A //首先,获取该当前活动文档的产品根节点
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CATIProduct *piRootProduct = NULL;
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CATIDocRoots* piDocRootsOnDoc = NULL;' V7 R$ p2 t; l1 ?$ K$ _# P% o
8 l5 I9 f) b$ s/ D- `3 X/ M HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);' `, {, E, B3 |2 F
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if (SUCCEEDED(rc))
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// Retrieve the root product which is the first element of root elements
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6 p! z) B4 A/ N! \( b CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();/ k, W% Y& ~0 f* c4 R
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piDocRootsOnDoc -> Release();
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piDocRootsOnDoc = NULL;* o# t7 j* n% ~+ D* h
8 `# q0 w3 |$ } r5 Y2 d* z CATBaseUnknown *pBaseRootProduct = NULL;
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% `! h4 ^$ @* N' B+ S8 p if (pRootProducts && pRootProducts->Size())
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pBaseRootProduct = (*pRootProducts)[1];
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delete pRootProducts;
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pRootProducts = NULL;
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, Q7 x& F( L% q3 `3 i if (NULL == pBaseRootProduct) return;; @2 h% A/ x2 k: T8 x/ u
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rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);1 I4 X; y9 P, z+ o
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if (FAILED(rc)) return;
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//对模型树进行刷新5 W) H Z! q# O( Z
$ u8 f; E1 h/ O9 O' X CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新
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& L3 c8 ~ ^6 C: B7 w/ I& ? pPartRenew->Update();1 F' v8 a+ E( e1 f3 \$ S' |
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}
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- U# i$ v8 E; m! G7 r* r else return; 8 O$ B8 u& {" W2 O: b; g
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//----------------------------------------------------------------
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/ g4 c% Y& m2 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。
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; X. R( B9 k7 a5 }) I; V6 Z4 t CATIModelEvents_var spEvents = piRootProduct;) ]; ~& Q* N# Y. z$ |0 c2 H
; k- h0 P4 S$ t) M1 L CATModify ModifyEvent(piRootProduct);
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* _0 t4 g U. d' X" ~) n! a spEvents -> Dispatch (ModifyEvent);
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//Update the graph view
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0 b( J: u2 R9 y4 ? CATIRedrawEvent_var spRedraw = piRootProduct;8 ~8 f1 n' j* }8 W4 h, k
6 u8 {" N1 B6 ?) }( T spRedraw -> Redraw();
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piRootProduct -> Release();1 J! s1 P* C. J1 k. ^ F
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piRootProduct = NULL;3 c4 \8 ^4 B; E8 K; Z; [: {
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