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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。; X; |+ x3 D- y) p3 ]6 y+ m2 {. f
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CAA中对文档操作的基本步骤如下:5 [; |, X9 ]6 P- ?: F
" F9 E/ v3 w" m* c' S& y7 [创建会话 - creating the session7 }. E5 A# A _1 I
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新建文档 - creating a new document0 s! R/ Y3 `; D& ^" x$ ~
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调用接口 - Query Interface- A8 ~1 E3 y$ S6 G2 p* |/ o
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获取根容器 - retrieving the root container
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保存文档 - saving the document0 A1 P2 r; B/ T2 d% j" F
! a. x. D& Y. v/ ^删除文档 - removing the document
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3 h E. R" n" D3 k删除会话 - deleting the session
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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。0 t6 G2 ~" E( k8 Z% C6 p
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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。
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下文将对各步骤进行补充说明。: E: |. u, O# {% l5 B
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1 文档创建(Create the new document)
- p, E6 ^% b* P8 r) n% [' T. m文档的创建通常有以下几种方式。可比较CATIA中文件菜单项. b2 L$ ?2 Q9 Q. Q9 H. T. y
New:新建一个空文档' \5 w& T4 q) T3 F+ Q9 Y; }
5 W. N: M% i/ p2 a9 W7 cNewFrom:新建自/ U# E8 m( E! x' Z! O/ f" A
* S& |' o" M$ G1 k1 i新建文档代码:" R5 a' s) C' W' C
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CATDocument* pDoc = NULL;! N' H' ` @( ?) m5 ^* h
HRESULT rc = CATDocumentServices::New("Part",pDoc);
, v* r! h% \/ W1 \1 U6 n% Iif (NULL != pDoc)
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8 `, L4 I/ V. w. x3 _. B cout << "New document created OK" << endl << flush;) ~: @- {9 }3 Q' O$ g( O3 }
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else" @0 g2 H" j9 ~5 ^: n
{
# e( C7 ~. U4 E: Z7 R' r" @ cout << "ERROR in creating New document" << endl << flush;
) Q G7 k n% Y& j3 c& F' ^ return 2;& G- ?3 H3 V5 j
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1 t( H6 |/ I6 J% g5 `2 文档加载(Load the document)
% |. w6 U; w5 O! M文档加载即打开现有文档,主要方法包括
# b% k2 y5 p# R' ~/ V7 rCATIIniInteractiveSession 中Open方法:打开文档并可视化显示
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( ]7 Q' h/ B) q& f/ ]CATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行
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Open方法:
; m0 D$ R0 h. p* C) HCATDocument *pInstrumentDoc = NULL;1 f7 _ a/ s4 S) U
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CATIIniInteractiveSession *piSession=NULL;
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CATSession *pSession = NULL;
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rc = ::GetPtrSession(pSession);
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rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
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8 |; `! X. K/ N1 ?% c' Q" QCATIEditor *piEditor=NULL;
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rc = piSession->Open(PathName,FALSE,&piEditor);: y. _( m& X& L; `' O
2 ?7 g! F" S7 h# N, b9 a oCATFrmEditor * pFrmEditor = piEditor->GetEditor();
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pInstrumentDoc = pFrmEditor->GetDocument();
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....../ a; q- t, N, k
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OpenDcument方法:9 f' T5 N% l- V8 e! n3 s% t; |
% C! Y3 f2 v5 `CATDocument *pDoc = NULL;' D) g3 {7 F7 d4 H) Y0 D
CATUnicodeString storageName = "XXXX"; //文档保存路径名* A6 b- B, \+ D$ Y
- j, f; Y+ e2 H5 q5 U3 Q9 r: ?rc = CATDocumentServices::OpenDocument (storageName , pDoc);
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if (SUCCEEDED(rc) && (NULL != pDoc))8 e& U* I2 E- l" q
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cout << "Document opened OK" << endl << flush;" W' `% P, `. X# s* c$ a
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cout << "ERROR in opening an existing document" << endl << flush;
1 t. S, c9 `# y. U' T7 h return 2;/ J2 \) l% s5 b d- |! n
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3 获取当前文档1 z% I1 s' ]# Y3 y4 z- u
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,0 y6 j# m5 p6 C9 o# P; k
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CATFrmEditor * pEditor = GetEditor();
- Q1 C9 m% v, Z- ^4 Mif (NULL != pEditor )
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cout << "Editor got OK" << endl << flush;
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else
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cout << "ERROR in getting the current editor" << endl << flush;8 G$ q( [% D% z; U1 u. x: L: @
return 1;
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( N2 y" z' s4 J$ V hCATDocument *pDoc = pEditor->GetDocument();
5 b8 _2 P$ }: ]( Nif (NULL != pDoc)
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cout << "Document opened OK" << endl << flush;9 w- z9 `9 j! y7 r5 O
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else
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cout << "ERROR in opening an existing document" << endl << flush;2 u* z/ j) H- d& e }+ I$ r2 b
return 2;/ t/ X: y6 c5 a2 q" T" g8 H
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" u4 ~- D1 v* L& J1 K 该指针的获取还有其他方式,如通过CATILinkableObject 类获取。2 ]1 o2 y8 d2 |9 z' y) k
4 保存文档(Save the Document)4 w4 q# A% @* g3 n; R0 w" W
4.1 另存:即保存为新模型' Q& ]: w- ^1 B/ g' I
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CATUnicodeString savePath = "XXXX"; //文档保存路径2 b9 y0 ]3 F$ G" b8 }+ J
rc = CATDocumentServices::SaveAs (*pDoc, savePath );( f- e2 p/ ]- ~! J# ?/ f: `
if (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;. W# j/ u$ z3 P. ?
}
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{
" Z3 {) ^8 \# ~; b cout << "ERROR in saving document" << endl << flush;6 B( D. A; p7 l9 j) j w' r: S
return 5;
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- h1 Y4 _! i& Z% t' {8 R4.2 保存:不更新保存路径
+ j$ M0 `; |$ h! qrc = CATDocumentServices::Save (*pDoc);
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$ j9 a( n$ n, w% T1 ?7 mif (SUCCEEDED(rc))
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2 f1 L4 i( u- L0 [7 M9 B$ C9 |# { cout << "Document saved OK" << endl << flush;
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else# c9 {4 W, X4 k& _* n
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cout << "ERROR in saving document" << endl << flush;, Z8 D9 f# n8 \. K+ p) a% \
return 3;, K. T4 n; W6 x1 q- I+ ]' C
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5 删除(Remove the document)
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rc = CATDocumentServices::Remove (*pDoc);
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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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! y6 q$ b7 @( z1 a& C# O; s方法封装% E: l6 @8 ~' z4 P3 b) k# W
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
3 G/ J, [& y' q/ }: k- S. w输入:4 H! J7 x& g" d0 w
CATUnicodeString PathName //文档(模型)的路径
; G8 e$ m* `) o/ A+ I" e7 b" b输出:4 z* Q: P% a# |6 S
CATIProduct ** opiSonProd //文档(模型)的指针! |. w6 F8 b3 ] n4 ^
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辅助功能函数:" n6 ?9 N% k+ E
获取当前模型树根节点
8 U1 x3 V$ v4 {) M' b7 c模型加载后可视化 g. V& e0 E. O
刷新根节点3 ?! w0 X& ]+ F$ z: \
----->打开文件
7 X2 J7 i/ `/ Q7 v: e. NCATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)
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: d, J8 n& x/ \3 XHRESULT rc=E_FAIL;, r+ t: `6 Y: O- Q3 E% G( t
CATBaseUnknown * pRootProduct = NULL;. D: h+ p2 K! _! q
CATIProduct *piRootProduct = NULL;
2 [6 {5 \" X; Q- `rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点
! j( k9 Q4 r" lif (SUCCEEDED(rc))+ |8 U4 \6 _7 h5 W/ o9 Q$ u5 D" H
{
K4 M ^6 W7 A# q) _) \- crc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);* t$ k/ F- V+ _' J
if (SUCCEEDED(rc)&&NULL!= piRootProduct)
4 d7 `5 b7 J; D5 ]{
$ {- H! Y% \ X4 P& }9 U) ]$ aCATDocument *pInstrumentDoc = NULL;
7 s0 L9 w& ]& J/ XCATIIniInteractiveSession *piSession=NULL;
4 F5 k8 n, X) rCATSession *pSession = NULL;/ r- Z' ~5 K) u* l! w
rc = ::GetPtrSession(pSession);* @2 F+ @/ M- d. G" B# P0 h
rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
3 o/ _ T3 ~ @' JCATIEditor *piEditor=NULL;% b9 T' M; P0 \: L2 u, X( Z
rc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;+ D& c5 Y8 j( v* A2 R
if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )8 b+ u% f) I5 W# x* _
{ cout <<"The document" <<PathName<< " is opened" << endl ; }# ?, \! p) D' k+ I1 d. _! l
else! n' m& ^( ]5 \2 R9 E2 s, r: }$ ?
{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }8 ^6 Y4 T% ^4 K1 z
CATIProduct *piInstanceProd=NULL;
1 H8 u: u5 q+ l0 P. lrc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下
* m R7 B) X9 C9 q$ i6 I. aif ( FAILED(rc) ) return FALSE;
( q' }0 l' Y% h; O// rc = piSession->Close(piEditor);
9 A* U2 ?% a$ G1 s# Y' L* opiSonProd=piInstanceProd;3 G* d3 G' I/ f* f6 h5 W; B: z
XXXFunction::UpdateProductRoot(); //更新根节点: s% ?/ H% K7 ^% ~0 P: p7 K
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}
6 ~) ]1 ]5 V/ w- ]. M7 T, A2 lreturn TRUE;( A; Z5 d% A# r+ {7 I
}
% y' ~9 H7 e: p9 ?% e----->加载模型可视化6 t5 A. E% F3 H% n" A+ d* ?
: k* g; P C: X" p" i2 I. h7 ]HRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)- H$ u, u, {1 @: U- C/ G6 F9 @$ S
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{
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. j, C2 |. g, c4 r6 ]& J //AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP); $ s9 y6 y2 s2 T- T6 [! e1 v
6 Z/ R: P; _+ Q/ K0 c //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
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//将要**的part document,CATDocument类型
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; ]# t5 s' w$ [/ g( A& i% N+ n //the product instance of the imported document: ~: s: ?; F% x2 o* f* a
" O& n, o! H( `% S" q& e //注意要**的document也要检索它的root product' ]2 p: L2 A @
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cout<<"添加组件执行"<<endl;+ K( t) H) o2 n" }; a$ }7 ^
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HRESULT rc = E_FAIL;1 a7 b4 M, u" g3 o0 n; I7 W% q
" B5 J# K# D5 k. @/ X. h0 X" h& C4 ` if (! ipiFatherProd) return E_FAIL; $ a9 _: W2 j0 T+ B+ h) f
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if (! opiSonProd) return E_FAIL;
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if ( NULL != iDocument)
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{
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// Get RootProduct of the document to import.% ?4 K% n! M" A
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CATIDocRoots *piDocRootsOnDoc = NULL;( q: V% @# W. y f: f* {
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rc = iDocument->QueryInterface(IID_CATIDocRoots,
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: u8 J$ X. N& I (void**) &piDocRootsOnDoc);
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if ( FAILED(rc) ) return rc;
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CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();
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: o, A3 T4 I; k CATIProduct_var spRootProduct = NULL_var;7 U3 Q/ J( p$ L9 r3 }. Z* w
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if (NULL != pRootProducts)
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if (pRootProducts->Size())1 a3 p* g: R/ u3 [2 t9 C9 w
+ A4 R9 U( j' F- ^$ `, B4 M { 1 ?! G8 l9 G" a) {
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spRootProduct = (*pRootProducts)[1];$ ]% ?2 `* Y" l
! R; L/ J, a5 W delete pRootProducts;9 M1 l# } e- a+ m
6 z r. F8 [: w8 [9 B# h pRootProducts = NULL;
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0 p$ z3 Y: j) a& M- Q1 y9 ] }2 S4 m" I8 R' n$ ^
+ R( L0 A. t0 ^' Z piDocRootsOnDoc->Release();& [3 b, y3 p3 Z, h
* r2 b6 f/ v; l9 ?
piDocRootsOnDoc=NULL;% n/ |7 o; q* v* R4 a& {( D" X
: A+ g0 Z" m6 L- f" F: v CATIProduct_var spProduct = NULL_var;, h! r$ f4 b3 v5 p% b
+ B) `4 Q" f3 j; K if (NULL_var != spRootProduct)
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{
/ g! w& R- u$ t
# E; g: l& D0 }, M spProduct = ipiFatherProd->AddProduct(spRootProduct);
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cout<<"NULL_var != spRootProduct"<<endl;
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else
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{- s) b- _* H3 r, V: i. `" T
: x% @) T* N% l+ y1 A, v CATUnicodeString docName = iDocument-> StorageName();
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ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);
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}
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if (NULL_var != spProduct)7 T" u. q( m9 n/ }6 B
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0 H7 Y" A* P7 H9 E! z8 d rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);
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if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;
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return rc; $ h$ y Q0 L' c0 H# m& a2 \) A
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} / J3 J+ \7 K. Z( M8 y
7 k3 S" r% o6 ]----->刷新模型根节点1 v' Y/ ?3 h# q
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void XXXFunction::UpdateProductRoot()
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1 } H0 d4 m7 Y2 {/ X. }
2 v, P9 {+ X4 s# y" A- K# ~ //*******************************important**************************************
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9 t0 L# q) p4 p2 o$ ~3 S1 | CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();
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CATFrmWindow * pWindow = pLayout->GetCurrentWindow();
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0 y+ A6 S! [( k, `8 c- k) q CATFrmEditor * pEditor = pWindow->GetEditor();
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3 Z9 |. w; M1 t9 ^" ]( M! b CATDocument * pDoc = pEditor->GetDocument();
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# a. d, E6 E" t& h1 [! |0 I. p0 ]8 S+ v //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" m& C9 ~7 e8 D, p0 [
& f! S* p9 _4 O& f5 H0 L //首先,获取该当前活动文档的产品根节点 7 s5 ?4 ~) `9 ~7 O+ w0 y E
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CATIProduct *piRootProduct = NULL;
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% V* }8 S a$ E7 T4 D$ l CATIDocRoots* piDocRootsOnDoc = NULL;
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; r( R& t9 C5 h HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);
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: N: G% r( d3 v! L/ q" b! O if (SUCCEEDED(rc))
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{
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; f7 e w8 Q( Q0 D2 P // Retrieve the root product which is the first element of root elements
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CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();
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% T" y# [. \( |, o3 Y piDocRootsOnDoc -> Release();
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piDocRootsOnDoc = NULL;2 l- p' a7 C/ r* M. N2 ~; y
; | l# Z$ g$ h3 z n, ? { CATBaseUnknown *pBaseRootProduct = NULL;
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+ d1 S9 E3 w# s& ~0 [& \7 k0 \ if (pRootProducts && pRootProducts->Size())) v+ C- y6 A) e+ z9 \/ m5 s
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% f7 S5 Y; ~) K( e$ ~$ _! y pBaseRootProduct = (*pRootProducts)[1];3 ~3 \! h8 i* | ?# D- V
+ y# T) V& U3 o) T; G3 Y+ |5 t delete pRootProducts;
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pRootProducts = NULL;
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if (NULL == pBaseRootProduct) return;+ ?; u+ f' K* `& h
4 J& M5 l' i6 w* A, E# e; @ rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);; |- f/ |3 {' ^* }: E( }6 H! ~6 m" N
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if (FAILED(rc)) return;
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* N! l- p9 y: I" q7 x B0 S I) X //对模型树进行刷新5 r% @( O: |7 ?( d7 j, I
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CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新
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?8 p& \& S: U9 T6 h" ` pPartRenew->Update();
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else return; # ^5 s6 Q2 s6 p
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//----------------------------------------------------------------
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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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+ N4 M: I3 Y) p9 J0 N CATIModelEvents_var spEvents = piRootProduct;$ ^* h/ P/ K R5 n, ^ C
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CATModify ModifyEvent(piRootProduct);
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; k7 N. W$ N$ I% k spEvents -> Dispatch (ModifyEvent);
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//Update the graph view! |0 s9 q* m2 `+ Q
/ ], k/ v" u4 L0 |, s& I: N" E CATIRedrawEvent_var spRedraw = piRootProduct;
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% p& N! V: ^: I# q( d1 h9 o0 O6 A) ` spRedraw -> Redraw();
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7 {0 {# z# t+ d+ D: ^( V* }' J piRootProduct -> Release();
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2 ]& R: e! f- H* w piRootProduct = NULL;
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}
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