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CAA开发之文档操作$ e' ?$ V. \% j+ M" s# E
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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。6 A7 w% U; f* }0 p( p) X0 `6 L% u
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CAA中对文档操作的基本步骤如下:
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创建会话 - creating the session0 E: Z" a# U# Q2 e
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新建文档 - creating a new document
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! ] Z0 ?- o9 h; o: j调用接口 - Query Interface
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1 F2 `6 g) n. y" u& u获取根容器 - retrieving the root container
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保存文档 - saving the document
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删除文档 - removing the document1 |7 {; B$ j+ u/ z7 t, R. K
; |/ A* }8 p2 D删除会话 - deleting the session , b- s" `9 w' M! ? O4 {
2 j+ H: F. c* w8 X2 G. I6 w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 \9 ]$ B0 f0 _6 b; g6 y, j/ x# |
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下文将对各步骤进行补充说明。6 D& K3 u! U; N6 r* Z* u( H
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1 文档创建(Create the new document)
3 |: z1 M. e+ m2 Q! ^$ c% s3 A文档的创建通常有以下几种方式。可比较CATIA中文件菜单项1 J# ]; z" E- \; Z- N
New:新建一个空文档8 V* M1 u. B- n3 N
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NewFrom:新建自
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7 K2 [. A; n3 b" L; s新建文档代码:! G3 ]6 V. U2 r) [+ x1 [: V
* G! k$ |7 U# O: fCATDocument* pDoc = NULL;
/ T7 z6 d) u3 l& W1 | UHRESULT rc = CATDocumentServices::New("Part",pDoc);: o" e9 w0 ~. f: ?; [9 P) E
if (NULL != pDoc)2 {7 M3 ^" S1 \/ g, {( s9 H+ y; K R# e
{
. }6 o. p, M4 u/ s# i5 r/ z# I cout << "New document created OK" << endl << flush;5 V/ H& E: I. Q, j- {
}
7 a" G8 |- `; E: R' p* M/ a: S8 D7 c& Relse
" ]- R4 W6 K2 b2 j{
6 K2 f" h0 }, G4 p" l cout << "ERROR in creating New document" << endl << flush;+ x0 ]" Z# ^" B( c ~1 s* G8 s. ~" G
return 2;4 {/ Z" q6 v6 m
}; c4 z D! {% w) W# S1 _1 {
8 R3 w6 O1 x. N. Z2 文档加载(Load the document)* Z" ?: y9 s# O4 C; P! A: _! E
文档加载即打开现有文档,主要方法包括
/ P8 q9 _( K+ n! I9 l2 N: `0 z; { FCATIIniInteractiveSession 中Open方法:打开文档并可视化显示0 u3 e) d+ Y' p! q! g; w$ l
8 q, A6 G4 I: b8 \+ |) J) ?; ACATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行( @9 @& o; `% z$ D7 V; R# H
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Open方法:
V3 A5 h, ?+ P4 I9 c+ B) lCATDocument *pInstrumentDoc = NULL;
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CATIIniInteractiveSession *piSession=NULL;
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CATSession *pSession = NULL; c3 L1 e! @. X6 V
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rc = ::GetPtrSession(pSession);
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- t3 t$ }0 ]- J+ n1 ?rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
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CATIEditor *piEditor=NULL;
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rc = piSession->Open(PathName,FALSE,&piEditor);
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+ b: G3 e& C* M. fCATFrmEditor * pFrmEditor = piEditor->GetEditor();
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: U6 m6 ~8 U1 `8 `# YpInstrumentDoc = pFrmEditor->GetDocument();
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$ V: }$ p" U! |9 u' y# z2 e ......, D% c% l( x# \
+ m z2 P( u- g" H) U0 SOpenDcument方法:5 [. V, E# Z3 u3 A
! X5 H9 K, P' WCATDocument *pDoc = NULL;) g, i4 |0 P% v- t& K' e: F
CATUnicodeString storageName = "XXXX"; //文档保存路径名' C6 U- p1 J5 ^- V' S
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rc = CATDocumentServices::OpenDocument (storageName , pDoc);* }/ h$ y8 V8 l0 U9 k% S
5 k3 o% [7 M( M, Vif (SUCCEEDED(rc) && (NULL != pDoc)); e! y3 \* O0 K3 A
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cout << "Document opened OK" << endl << flush;# b" [* t3 M5 o/ _
}
, Z) z# X5 I; |. S3 Q2 ^4 Yelse; C& `2 l( G" `" _3 j" ^! l
{
: K( o+ Z% q; X% c4 M( S# t9 c cout << "ERROR in opening an existing document" << endl << flush;
7 X0 w6 v. x( X' X return 2;8 |( ]9 M7 \0 f. ~
}
! z9 f- o9 J) V. |3 获取当前文档* i+ j, @6 h- L Q- m
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,( N2 Y1 }5 Z' P) D f
4 c7 y' u# z: mCATFrmEditor * pEditor = GetEditor();; S& Q: i" r% W
if (NULL != pEditor )/ [* a# k4 ]8 k
{
/ j$ k% T5 B, D cout << "Editor got OK" << endl << flush;
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% ?8 Z& `% l& g+ }( X! }else
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) Q: j! R) S7 n) e cout << "ERROR in getting the current editor" << endl << flush;
6 b" Q6 q4 }+ _; z( `% j" o4 S return 1;# i+ }. A8 l$ H) i+ y2 ^
}
/ {( \1 j: g% L% X8 R( mCATDocument *pDoc = pEditor->GetDocument();. Q& w$ k% @. Y8 n; z& `0 I. Y
if (NULL != pDoc)- E4 R7 f( R. B- w1 \
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cout << "Document opened OK" << endl << flush;* H/ T8 q, y+ g8 m
}
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cout << "ERROR in opening an existing document" << endl << flush;2 ]8 b7 {4 ]8 O) s' V+ N& {7 [
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。3 O& T8 m7 a6 C, V! Y9 g! q$ y# W
4 保存文档(Save the Document)
U5 P" N7 Y( y* R7 R4.1 另存:即保存为新模型
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CATUnicodeString savePath = "XXXX"; //文档保存路径3 @; `" w4 j0 o9 ]5 y. r
rc = CATDocumentServices::SaveAs (*pDoc, savePath );
0 _ ~0 ]5 C" y; e5 ^% aif (SUCCEEDED(rc))+ Q3 A3 a2 ` g! [
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cout << "Document saved OK" << endl << flush;4 z& u% ^3 J4 B" j' N0 E( F
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else; C4 K- a- B* x
{
. U: U4 C( d# x cout << "ERROR in saving document" << endl << flush;: t: ?9 D6 W4 M8 n5 f8 X
return 5;7 i& W$ C( }0 c
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5 L3 f% w$ {7 q, N+ ?4.2 保存:不更新保存路径) ~) S$ {; C2 x# t7 a7 s& |0 P
rc = CATDocumentServices::Save (*pDoc);
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if (SUCCEEDED(rc)): R4 Z/ T: k, N6 c7 N6 w
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cout << "Document saved OK" << endl << flush;
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else! X/ J, o9 {9 f( z0 t G
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cout << "ERROR in saving document" << endl << flush;& h# o F* ~ ~ V
return 3;- X! U3 ^7 V% c! [; o
}
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5 删除(Remove the document)
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rc = CATDocumentServices::Remove (*pDoc);
: c+ H+ E- T" z& y, k {if (SUCCEEDED(rc))
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cout << "Document removed OK" << endl << flush;
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else
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8 g+ ~8 X. Q" o2 V, {& l cout << "ERROR in removing document" << endl << flush;$ b# ?0 x% h9 O* N, w( J6 f8 I
return 6;$ N1 A& p# A1 m1 U
}
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方法封装. K7 W, i9 h0 n% I P+ @+ _
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; ?* E" I4 {- U9 @) p
输入:& Q2 O0 E6 a! ^0 c8 E
CATUnicodeString PathName //文档(模型)的路径
9 [' P5 V" K% t+ p输出:
' l% z! H: [& ^' k7 C, hCATIProduct ** opiSonProd //文档(模型)的指针7 h! @4 a+ [+ X- {
) _) {3 j" I/ N$ s
辅助功能函数:: ]$ e: S; C+ _9 q
获取当前模型树根节点
$ J f9 a/ H, R3 G; K" e模型加载后可视化. I- I4 C9 e4 Y h4 Z
刷新根节点$ L; M- Q1 e# }/ ~( x# x" B
----->打开文件2 l- Z' w8 ~' Q5 |9 L& O; |
CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)
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HRESULT rc=E_FAIL;
# s9 d- q$ r. SCATBaseUnknown * pRootProduct = NULL;% y) `6 T6 y( ?* e! _: v Q5 W! g
CATIProduct *piRootProduct = NULL;
, j9 v* `& x, I, o! m' crc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点
5 p# e0 l3 X% x t, ~! \if (SUCCEEDED(rc))
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rc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);$ U& u( P1 W! n. `
if (SUCCEEDED(rc)&&NULL!= piRootProduct)9 w4 u( X) F* J! e$ J
{: K( R4 N, x( @8 Y
CATDocument *pInstrumentDoc = NULL;
% c% h0 M: Y5 ACATIIniInteractiveSession *piSession=NULL;
" b- Q2 L- P$ g7 D9 J# e. ZCATSession *pSession = NULL;
. P! Z5 y' \ s0 |5 Drc = ::GetPtrSession(pSession);2 X" ]- V! I( w0 E P# M1 x
rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);" f' }5 x+ H* N7 e
CATIEditor *piEditor=NULL;
& H5 |, T2 [; Z$ Wrc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;
, z% c' I* d: G& B; x8 eif ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )6 G, y9 P- _* k1 r; d4 b
{ cout <<"The document" <<PathName<< " is opened" << endl ; }
+ ?) u! b; [- J7 m: Felse7 [. l& N5 U, ^6 Y' w5 ]
{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }
4 A$ h, }. h( s3 L0 Q* C* kCATIProduct *piInstanceProd=NULL;5 e: c; K1 J0 ]% o9 Y2 e/ z4 {' H
rc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下
) G; T: _' S, f" A3 {if ( FAILED(rc) ) return FALSE;6 P' y6 U* N! K0 _5 Q. C5 e* p7 m, G. g
// rc = piSession->Close(piEditor);
4 b: Y1 q! U* ` M* opiSonProd=piInstanceProd;
7 V, N3 o6 X1 J, E- N8 m: gXXXFunction::UpdateProductRoot(); //更新根节点
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return TRUE;
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----->加载模型可视化
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3 J8 Y9 B0 D. Q8 T" x& _! w4 ?HRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)7 m# {8 P% v' L" i+ W
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1 X7 U# g& D |2 c8 S3 F( L //AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP);
% L5 u$ z6 H( u K) f% v, w
$ W, @! _2 w7 T //AddExternalComponent全局函数所需的三个参数,3 F" n9 T4 a& ~: G6 a( V
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//被**的product document的root product,CATIProduct类型/ S# x: n- U& {7 x9 b
7 w1 r% I6 f8 Y //将要**的part document,CATDocument类型
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//the product instance of the imported document
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s: q3 F- Y$ z6 \8 N1 B1 F9 S# F6 B //注意要**的document也要检索它的root product
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% ^3 M ^" D$ {$ Z% Y* e& X cout<<"添加组件执行"<<endl;
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HRESULT rc = E_FAIL;6 T) R+ t: p( R9 B
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if (! ipiFatherProd) return E_FAIL; 4 K. Z& ~; \& |8 k! d
: M& l) `$ n% P; b if (! opiSonProd) return E_FAIL;
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if ( NULL != iDocument)
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?3 l# U1 F: a // Get RootProduct of the document to import.
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CATIDocRoots *piDocRootsOnDoc = NULL;
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rc = iDocument->QueryInterface(IID_CATIDocRoots,' A( b/ D4 o" K4 |+ x$ F
4 X7 d5 _. y9 A2 `+ O# u' @( r (void**) &piDocRootsOnDoc);+ |3 _# B4 I3 t9 z# {: q' i
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if ( FAILED(rc) ) return rc;: Y: @0 r. k( ^& X
" K5 j- A& S3 D' p" j CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();/ B2 B8 T9 H: Z: C
+ X% m3 @( F* |1 c$ g CATIProduct_var spRootProduct = NULL_var;: u( L. I1 ^* \2 g$ \2 c# @ E9 Z
: g: A" V7 ~7 p7 E9 D4 @ if (NULL != pRootProducts)
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! V1 o( t S5 e/ d5 s {3 u7 j) j9 g: V& ^7 ?6 v. ^
9 k7 B7 J5 M5 s4 d) j
if (pRootProducts->Size())& O& I2 ~0 K K( A) _: q | v) g
$ e/ ~* c5 y6 t: V { 3 m& C; j7 x: q, N' L W6 f1 ~& C# A
" y) T5 j# a( o* s spRootProduct = (*pRootProducts)[1];; y& F* z' l4 I8 S# G |
$ i" d* E# `: j, k) Z, S2 E delete pRootProducts;0 S' j7 o! v. s/ n& u: e
$ |; H" s( q$ r pRootProducts = NULL;
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piDocRootsOnDoc->Release();% F; Y; t! v, j
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piDocRootsOnDoc=NULL;8 w; W G7 H( _. n4 c! H
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CATIProduct_var spProduct = NULL_var;
' v/ X7 e: z2 d& Y
" P. N) _! B2 T5 C if (NULL_var != spRootProduct)% N) D% J; ^+ X! k3 r5 u: @, z
; ^4 u3 M! W3 y3 }4 h h
{6 I" r3 _$ _5 _! M" ]9 m( Z
" g( X0 u% F3 R; E. N
spProduct = ipiFatherProd->AddProduct(spRootProduct);
$ A! y/ N# K& c6 D
& E. g* ], H# f% s0 d$ T cout<<"NULL_var != spRootProduct"<<endl;
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}" c# |: t+ @4 c& p% N
, L. {" g$ C2 ~, R+ l6 i else
$ s/ H- _# g6 d; ^- B6 b; ]
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+ R/ g7 m0 l$ N4 m6 A( m
CATUnicodeString docName = iDocument-> StorageName();& y {3 C/ a8 d* p. B/ ]; r% b
) V {& d& X: d8 H5 U" ~
ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);+ g# \- O* h0 _) p# W6 T; q3 I% V
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}
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if (NULL_var != spProduct): ?& h, ]8 O$ P c/ r% E$ m {
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rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);; U9 D% \# u5 {7 o( L+ R
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if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;
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return rc; ; } v# g9 _5 Y2 W
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----->刷新模型根节点5 z0 Z; J/ e C$ I
2 }+ F( T3 Y# M
void XXXFunction::UpdateProductRoot(); j( v1 Y# c3 t2 C& R. T
. P p- m7 {/ A9 x, G3 ?{
0 u7 S, Z5 @0 W! Y# {$ K* w
& g9 Y. L# V/ L- h# G; D, J, ? //*******************************important**************************************
$ a3 O( [. t$ {" ?8 b8 e; E
+ |% X! t: I9 p CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();0 r* ?/ I% [ |
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CATFrmWindow * pWindow = pLayout->GetCurrentWindow();* J! s. p. C5 G) j, u
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CATFrmEditor * pEditor = pWindow->GetEditor();1 \6 ], J7 p G8 O ^; d- Q
* y, s( p' d; M+ K3 m CATDocument * pDoc = pEditor->GetDocument(); 2 H/ J2 f, V- Z
4 Q$ W0 \( a( N: Y //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& n$ T% p. L" ^
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//首先,获取该当前活动文档的产品根节点 ! {$ K9 N, S/ J$ f. J8 b
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CATIProduct *piRootProduct = NULL; 8 W$ C1 P. ~+ B9 `
& n7 Z! ?5 m2 f. n& n+ E CATIDocRoots* piDocRootsOnDoc = NULL;' O/ }/ Z6 |4 n$ |. B* i
- {" K- j6 ]/ y5 n- b' E HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);6 L1 {) r" \9 V G* [5 y) ]$ q
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if (SUCCEEDED(rc))
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// Retrieve the root product which is the first element of root elements i0 o$ ?9 o% P; y, F# w9 {
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CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();
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piDocRootsOnDoc -> Release();
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5 ?6 u) u: N( Y" K4 L! M piDocRootsOnDoc = NULL;
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CATBaseUnknown *pBaseRootProduct = NULL; : a | V4 O# P) p
8 Y, P) {& G* G9 N5 g* z/ t& ~ if (pRootProducts && pRootProducts->Size())/ j# e4 x v: O0 E& Z9 X+ i
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( |7 Y+ b. `2 y pBaseRootProduct = (*pRootProducts)[1];
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delete pRootProducts;
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/ X2 P) b- S7 {, C pRootProducts = NULL; X( I+ Z. @. v% p) A; h! l# @1 N
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if (NULL == pBaseRootProduct) return;& b$ n- p9 g& O6 b* T
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rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);* x# g' z% F$ u# W: B
6 X$ h/ T$ w A" P if (FAILED(rc)) return;
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//对模型树进行刷新( T U3 u5 g2 @: {, j4 Y! \
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CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新9 a) ^! R- g$ V- h, D3 l' V
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pPartRenew->Update();
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' }( n2 B& L* n, L! G0 n8 { else return; % V: ]* O3 u' C# k: a
' S1 A9 u4 h& s9 j8 _7 Y9 u //----------------------------------------------------------------. t" {/ Y0 {7 K& I
* h8 y0 w1 g. M; h5 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。/ S& v0 q) J; J
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CATIModelEvents_var spEvents = piRootProduct;. T2 T/ E7 M& u: {1 m; N+ c
" W/ W' h& {3 @( t/ v CATModify ModifyEvent(piRootProduct);
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! i- n- c* h) l3 j spEvents -> Dispatch (ModifyEvent);
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* b0 u& T7 \7 R. c& f9 B! H; E //Update the graph view
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CATIRedrawEvent_var spRedraw = piRootProduct;
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spRedraw -> Redraw();
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piRootProduct -> Release();
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~& u( t( K! l& B) j1 H3 o, i# k3 i piRootProduct = NULL;/ s `7 I ~, w: L3 ?. c0 l- \
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}
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