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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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CAA中对文档操作的基本步骤如下:& t* U, }1 m8 t7 X/ {& C
/ `, S0 w6 A) W! [创建会话 - creating the session, g1 W5 i, X; _$ N
$ m. |( T/ a4 J) N* i新建文档 - creating a new document
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调用接口 - Query Interface2 ~( k- n0 z5 E0 _" e% S" e$ }
, w M5 @, }+ n. _获取根容器 - retrieving the root container4 o) }9 D; S0 a, q5 v( Z4 E. {
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保存文档 - saving the document
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删除文档 - removing the document( S* i+ }; ~9 N7 _
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删除会话 - deleting the session " m( o" h+ L; U. P3 O) u
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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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3 Y+ h. e) h+ L* R5 U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。6 |, m# v; X9 Q' O7 h% w9 U
3 _1 F1 ^( M3 u$ Y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)
9 g* o5 G' R7 j5 {+ j( S7 p文档的创建通常有以下几种方式。可比较CATIA中文件菜单项+ b1 J# u* K! X/ v" {* T7 Z
New:新建一个空文档1 E1 X" ^) c$ N7 Q F
9 p) E; c' \3 f! I8 ?8 gNewFrom:新建自: I5 G! w7 G3 b9 Q8 Y
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新建文档代码:; h0 \ ]# S7 A' a
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CATDocument* pDoc = NULL;) `8 v7 v* z2 Y. |8 p
HRESULT rc = CATDocumentServices::New("Part",pDoc);$ ~) N" ~. j7 ]8 N/ Z: F. o, M
if (NULL != pDoc)) t/ T* C# [! w, Q! F
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cout << "New document created OK" << endl << flush;
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else, D1 K q, L3 R6 y8 m# ~: ~
{
' H3 e |- y a# k8 f) d cout << "ERROR in creating New document" << endl << flush;8 V/ I. q |: r
return 2;
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' P3 x% o3 T6 W6 y- A5 a2 文档加载(Load the document)
7 u u; \' d! @" @& M4 I0 M文档加载即打开现有文档,主要方法包括
! J% f6 x+ A! R9 p* v+ j, I' V$ }CATIIniInteractiveSession 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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/ t5 C$ n, B7 mOpen方法:5 U l( [' b- k: E/ [* q
CATDocument *pInstrumentDoc = NULL;$ m( s# Q/ o* G8 i5 `& s+ M- p# U
5 x! n. ~$ Q8 M- t5 N% ^: MCATIIniInteractiveSession *piSession=NULL;
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8 S' J- R' E2 Q5 L2 bCATSession *pSession = NULL;2 v2 S3 O, w5 g" A6 v; [
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rc = ::GetPtrSession(pSession);
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rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);' I0 W D( u8 P i9 V
$ z7 w$ x2 U3 l! r& r! A% ~CATIEditor *piEditor=NULL;* c0 X _" @/ A- I. e6 x* X
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rc = piSession->Open(PathName,FALSE,&piEditor);' G( @" o$ ?+ u! [: S
! @9 a' I% T2 l8 Z/ v1 ~( jCATFrmEditor * pFrmEditor = piEditor->GetEditor();
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5 L, K+ D* _& {8 p5 }pInstrumentDoc = pFrmEditor->GetDocument();
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......
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' Z% h" }8 l5 k& J/ s8 pOpenDcument方法:
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CATDocument *pDoc = NULL;" j9 R; e; K& T! s- y) u" c( Q
CATUnicodeString storageName = "XXXX"; //文档保存路径名6 N; W$ l% M1 m* k
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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;( C0 _' R4 o6 g" _6 q0 Z: R1 X7 y$ m
}
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cout << "ERROR in opening an existing document" << endl << flush;) K1 U5 g/ W" G( K0 }
return 2;
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3 获取当前文档) C# Q' t( a7 H6 S8 U% `- M1 p! g/ l* v
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,! L8 n; s9 F7 M6 @7 V
! a) q8 L# X& o, Y3 F' x N& `CATFrmEditor * pEditor = GetEditor();
+ F h( a4 F n8 Y; _' L% jif (NULL != pEditor )
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cout << "Editor got OK" << endl << flush;
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cout << "ERROR in getting the current editor" << endl << flush;0 |8 T( h, r2 k6 G
return 1;4 q/ f! |; N( t, i' a
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CATDocument *pDoc = pEditor->GetDocument();
# ?3 T5 X; E$ K% E, _; k4 U; p9 nif (NULL != pDoc)/ D" c5 m4 k& N) r* v E. m
{
1 e0 D8 d: _' a% R/ o cout << "Document opened OK" << endl << flush;) Q$ v+ |# G. H
}
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{
2 @% }- O. s+ _8 G/ n- @$ d cout << "ERROR in opening an existing document" << endl << flush;
! F; z4 F& E( B/ T# h, N return 2;
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X; E7 ~$ P1 g" J 该指针的获取还有其他方式,如通过CATILinkableObject 类获取。7 e9 y. g8 U% V& z# [: W5 n
4 保存文档(Save the Document)
- n: a, k% D2 u4.1 另存:即保存为新模型
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9 |, o$ o8 ]$ D1 E8 q9 d. J: uCATUnicodeString savePath = "XXXX"; //文档保存路径" g# `& c/ M ]3 p6 h& y
rc = CATDocumentServices::SaveAs (*pDoc, savePath );; E d! ` m& v5 H7 u7 Z' C
if (SUCCEEDED(rc))
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! L: V6 G/ a2 D3 R( [+ q cout << "Document saved OK" << endl << flush;
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else
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cout << "ERROR in saving document" << endl << flush;
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4.2 保存:不更新保存路径# n; }0 [( S0 w$ W# d; ]$ ~; D6 r
rc = CATDocumentServices::Save (*pDoc);
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if (SUCCEEDED(rc))
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! e C) X B; q# {+ } cout << "Document saved OK" << endl << flush;
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3 t* n9 {; d5 L5 ~5 M+ ielse
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cout << "ERROR in saving document" << endl << flush;4 W- @) ?; \: X
return 3;7 G1 w6 V8 \# U: n0 [+ f9 v
}
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5 删除(Remove the document)
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* F; w. r. J. n Orc = CATDocumentServices::Remove (*pDoc);9 R& S6 R; ^. W; A5 E: a: h
if (SUCCEEDED(rc))$ n9 v9 h" k8 |
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cout << "Document removed OK" << endl << flush;
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cout << "ERROR in removing document" << endl << flush;
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}
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方法封装
; ?9 ~ }' m 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
6 h, ]9 E, {0 I3 R, ^输入:3 j2 N7 ?- J8 F! }' v4 h
CATUnicodeString PathName //文档(模型)的路径, E% J) V$ G" h; f u* N U b! K
输出:- J) t# f3 h/ c
CATIProduct ** opiSonProd //文档(模型)的指针
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辅助功能函数:
/ s$ h& ?$ O4 X获取当前模型树根节点
- ~2 z6 X K1 D- u- `模型加载后可视化
- f/ h. O# j* J9 U5 p刷新根节点
& [5 q% P. B, |) J----->打开文件# {2 [5 l! y9 ^* ^& [& ]+ |& F
CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)# C% U: X# D/ J
{
* B8 z5 v5 {" q8 y; x) AHRESULT rc=E_FAIL;' x1 ^' W; e' E q3 w! w, Q; C# k
CATBaseUnknown * pRootProduct = NULL;
, D3 `$ e! Y7 D$ c+ YCATIProduct *piRootProduct = NULL;; u! I6 g% T& m( t1 [
rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点2 u- q6 f W# _8 Q
if (SUCCEEDED(rc))
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1 m& {3 ?9 l7 d: H1 Vrc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);
0 l1 ~4 O' v& }, v3 |; O/ U- J. Jif (SUCCEEDED(rc)&&NULL!= piRootProduct)+ V8 T2 v$ R0 r( X5 L6 ]% I7 ^
{
/ e# @4 N( ~; G2 |5 I* ^CATDocument *pInstrumentDoc = NULL;
1 o4 O& W5 J% kCATIIniInteractiveSession *piSession=NULL;% e6 i1 M/ R6 J
CATSession *pSession = NULL;
. s6 D& { `- N+ R- X v4 [rc = ::GetPtrSession(pSession);
" m* G3 U2 z( t' Y4 T' Drc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);- h; N* X5 c. {
CATIEditor *piEditor=NULL;
* b3 A: H0 k1 ~% D- A' i5 arc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;3 D, F4 {5 ~/ I, f5 m" h3 ]! T* n
if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )
* U6 k7 r0 G, G{ 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); }8 W2 \0 t }; I! Q, W0 e
CATIProduct *piInstanceProd=NULL;
[! f3 k5 v4 x2 Q$ r2 Vrc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下
0 g: c6 {6 t1 D: a* [# Qif ( FAILED(rc) ) return FALSE;1 J. o5 A0 }& F) r) f( y
// rc = piSession->Close(piEditor); 1 Z6 Z- g# m9 \! ~7 b
* opiSonProd=piInstanceProd;
2 W7 Z1 f, ]2 \! G6 N+ h9 YXXXFunction::UpdateProductRoot(); //更新根节点
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return TRUE;; w) B6 m V. Q4 R1 z0 a
}% p1 L+ W0 [# h4 [) M
----->加载模型可视化
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HRESULT 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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9 m M' c: U8 M! q/ `+ b8 i //被**的product document的root product,CATIProduct类型
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//将要**的part document,CATDocument类型0 N# x2 [% |9 Z; |* H( C4 s
3 ]" F( b4 v1 C S; a //the product instance of the imported document8 |% {7 C0 n6 `( N
' n6 z/ I" j* _7 q //注意要**的document也要检索它的root product% q j( i5 v$ d" P7 p/ u% D
8 J4 J. I9 P5 E( N: d cout<<"添加组件执行"<<endl;2 v6 P9 k' i/ Q: |9 i
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HRESULT rc = E_FAIL;
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1 _# \/ V. d6 |$ \- o3 B# E if (! ipiFatherProd) return E_FAIL;
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if (! opiSonProd) return E_FAIL; 6 J, U; }% Z! ~# w: \) ]7 p
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if ( NULL != iDocument)( ]7 A4 I$ h. x) { L: m) E
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4 E0 v2 f3 }8 g1 W) y // Get RootProduct of the document to import.- W y6 M, b- c2 [' b" x
* r0 O* q: K4 n3 q( M5 I a" r. S/ U CATIDocRoots *piDocRootsOnDoc = NULL;9 F; C2 J# B4 |/ g( s; x+ I- x7 S
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rc = iDocument->QueryInterface(IID_CATIDocRoots, D" U0 F4 p, T
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(void**) &piDocRootsOnDoc);# U2 I' g9 h3 ]% Q
& Y6 i1 L2 I; m# m& e' ] if ( FAILED(rc) ) return rc;% b/ [" o3 q; i0 a4 F
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CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();
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% W/ G0 X# r9 _5 L/ l ?7 b9 X CATIProduct_var spRootProduct = NULL_var;
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$ L5 y' V! Y9 p if (NULL != pRootProducts)0 _( @# M1 c8 x s x9 j6 q
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{( x5 o @/ \/ }$ L/ X* w& A* t' F
) e' ]0 [1 \3 J/ w$ V+ i# b if (pRootProducts->Size())
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{
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. h8 Z$ K) s+ n0 @8 | spRootProduct = (*pRootProducts)[1];! ]) O A. ^$ |7 d, B R9 O
D f7 x- a B$ \: ~% l; u: T$ d8 K delete pRootProducts;6 u/ D: `/ R' t" k% L. A3 b
/ q8 g8 z1 B* ]% k: X pRootProducts = NULL;
+ }8 W( ~$ g1 ?! b, G( {/ w: I) U8 @# K# _
}
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+ m& U, u3 \* p y, s/ H# P piDocRootsOnDoc->Release();
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piDocRootsOnDoc=NULL;* _0 Z3 \5 s# B5 h7 i: \3 @
0 q; M) A: w( Y( Z3 l CATIProduct_var spProduct = NULL_var;
3 H: R2 i! y) F% C
2 S- n1 F4 ^; M9 N1 z7 o if (NULL_var != spRootProduct)
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: Z6 f0 `. B! u" [- H+ g spProduct = ipiFatherProd->AddProduct(spRootProduct);
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cout<<"NULL_var != spRootProduct"<<endl;6 J3 n+ C& t+ X, S& g) S" X* t& L
$ U2 Z4 y$ @: }; r. u9 s
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else( l0 N/ ]+ X! y0 m7 J4 _
0 p7 z: H: g5 R$ y {
' b! f$ W x" m
) H4 @3 j! u8 X. i( D CATUnicodeString docName = iDocument-> StorageName();/ ^) P2 R. E4 o: P: I' }, q0 I
0 r, C3 C$ H& ^! h1 u& ^ ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);0 A$ }! I3 _9 K4 F8 j" S$ G; Y
7 q7 T0 g: `, I3 [8 x }; p n! m- y6 B
9 f/ k5 h8 f: k/ e( z; ] if (NULL_var != spProduct)
2 @, ~1 j7 D; M8 n9 \8 k
( Z7 k2 q" A1 t% s$ t8 y {
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rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);- I5 V4 o7 k% B! c4 N4 A
/ ]# }) c5 D0 s2 h8 R% ^
if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;4 d! X+ | e% @, }. n- |
/ _2 b; h5 |% D }
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return rc;
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+ ^1 n( a2 j8 W8 [& H% u
5 S# E4 e/ Q# p5 S" ?! }----->刷新模型根节点+ a# ~; U. Z9 f- ^9 J
/ B/ |7 E) I/ H! M9 Yvoid XXXFunction::UpdateProductRoot()( |: i) f+ p( E+ S
+ v) a& d0 M# R; o- {
{
5 W3 K0 `" d5 ~3 Y; c' D2 K7 Y
: a p3 A/ {% N/ | //*******************************important**************************************
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CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();; t1 C6 P( e( Z. D+ k! p
* {0 C/ I; d/ j+ K& z- K! |# | CATFrmWindow * pWindow = pLayout->GetCurrentWindow();) p3 {" D: E) R5 H- M/ V4 c
$ N7 r6 ^' J: [0 r; r CATFrmEditor * pEditor = pWindow->GetEditor();
' A8 \/ ^" E: ]( p/ }3 A
: [4 P; [) D0 j$ X$ b& y# M CATDocument * pDoc = pEditor->GetDocument();
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2 g& M' u; K* b$ k //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4 S5 i. d. [# R. U* N3 g; |
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//首先,获取该当前活动文档的产品根节点 / w& q. G& u9 o- h7 q
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CATIProduct *piRootProduct = NULL;
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" t- E# h4 \. V, c CATIDocRoots* piDocRootsOnDoc = NULL;7 m+ j4 | Y3 ]& q% H
* d1 d$ w8 ^, K& Q+ [* g* r HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);: w% L" r( ]5 a6 Q( D
' J0 }. A! C: h3 O E/ j9 @ if (SUCCEEDED(rc))
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// Retrieve the root product which is the first element of root elements e/ Z' F$ {/ ~- e1 m% Q2 G4 u
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CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();
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' `: O3 O( Y3 B$ L piDocRootsOnDoc -> Release();
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CATBaseUnknown *pBaseRootProduct = NULL;
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/ J5 _0 ^( F+ f, g9 T# Z if (pRootProducts && pRootProducts->Size())
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pBaseRootProduct = (*pRootProducts)[1];
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2 j! j9 i8 b' ]5 w. U0 `; w/ u, V delete pRootProducts; _4 `9 E: h3 \( E
0 X( u) k" j9 r6 E# o: s pRootProducts = NULL;
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if (NULL == pBaseRootProduct) return;
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& T- c9 P* O4 v1 I rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);
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% C8 M& _4 l+ f! _ if (FAILED(rc)) return;
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5 L2 d; M0 m9 \( R( M5 J //对模型树进行刷新
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/ g5 B/ m6 ~! q/ n# b* x CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新
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, M1 [' r! t% b pPartRenew->Update();
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}
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: w( s5 l4 p* J! [; g/ G else return; 9 ]2 D+ e$ m+ N) |1 A
: c. b( d. k/ c2 M& \9 B- A# { //----------------------------------------------------------------# |% E; [9 k% i) q& Q$ z2 `
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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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) X/ h8 o! F/ Y* Z CATIModelEvents_var spEvents = piRootProduct;
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CATModify ModifyEvent(piRootProduct);
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spEvents -> Dispatch (ModifyEvent);
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//Update the graph view
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9 K* m, R# [ L! E CATIRedrawEvent_var spRedraw = piRootProduct;
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spRedraw -> Redraw();
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piRootProduct -> Release();
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piRootProduct = NULL; N% c/ h, B/ f! e0 {1 t
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