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CAA开发之文档操作
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- f9 O7 l4 H3 a: k5 _2 ICAA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:
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* W, ~& s8 j9 V1 i3 _创建会话 - creating the session
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新建文档 - creating a new document
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调用接口 - Query Interface( p; J6 p( |( A& g; z8 _ P
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获取根容器 - retrieving the root container
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保存文档 - saving the document
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# f) n& x; v2 R* M- u删除文档 - removing the document
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8 w% A: m/ T% D2 R' M3 F2 ~删除会话 - deleting the session 3 x s# s) ~( s" ? S# |+ j: n5 v5 J
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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。2 i$ k- `% N# b: n- I! ?
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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。* l: g$ X3 L# s' S) w" Y
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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), ^/ Y j% j( Z( v$ c {( z
文档的创建通常有以下几种方式。可比较CATIA中文件菜单项# U2 L" I6 r2 i/ q/ q
New:新建一个空文档- _, t- U" D& @# n8 {, ^' {( j
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NewFrom:新建自
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; e7 |$ o0 @6 J2 A( ^6 C- P5 m新建文档代码:: t" M5 l' f, \% Z
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CATDocument* pDoc = NULL;
% U' f/ s) X# c* i! F7 B3 VHRESULT rc = CATDocumentServices::New("Part",pDoc);
( O) x5 I2 r. i1 X5 k) T# t9 O6 l0 Aif (NULL != pDoc)
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cout << "New document created OK" << endl << flush;# i1 J; F$ _7 H( G- N" E& O5 M" G
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else4 M9 R. Q7 t5 A0 P
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cout << "ERROR in creating New document" << endl << flush;8 E2 J$ B- @7 R* b
return 2;
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2 文档加载(Load the document)
& ]5 j6 m1 ?, f文档加载即打开现有文档,主要方法包括
1 k# O3 n: a0 n2 j3 oCATIIniInteractiveSession 中Open方法:打开文档并可视化显示
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! S& L6 P3 N* d4 X3 dCATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行
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Open方法:
3 g3 M1 W2 F% |1 {- R oCATDocument *pInstrumentDoc = NULL;
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CATIIniInteractiveSession *piSession=NULL;3 s8 q. H B- j9 H- X9 M4 b
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CATSession *pSession = NULL;3 }3 I( X! }2 a- H( h+ z5 ~# O
! T3 { K% k' [9 ?4 Z) grc = ::GetPtrSession(pSession);
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rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
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/ A" i+ ^/ F A2 ZCATIEditor *piEditor=NULL;
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rc = piSession->Open(PathName,FALSE,&piEditor);
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" F7 i |- F! F3 P3 w3 |3 a. vCATFrmEditor * pFrmEditor = piEditor->GetEditor();
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pInstrumentDoc = pFrmEditor->GetDocument(); 4 z0 I# C6 G# o( k: v) K
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......4 e* B. \7 D% E% r& F& G
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OpenDcument方法:4 L/ r; P, g/ B7 P& g0 ^
* w) X o9 l. N9 r' S& n+ i' xCATDocument *pDoc = NULL; U/ @+ L+ Q5 v- Z) s, w# }' \
CATUnicodeString storageName = "XXXX"; //文档保存路径名
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rc = CATDocumentServices::OpenDocument (storageName , pDoc);% h& g: @3 P, k- f4 m( N7 l7 E( Z
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if (SUCCEEDED(rc) && (NULL != pDoc))# q+ X$ c5 D, n- W7 N" M+ z
{
+ j l2 f% \% k+ C$ _ cout << "Document opened OK" << endl << flush;
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# p* V Y8 x2 v" O9 O q1 telse
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cout << "ERROR in opening an existing document" << endl << flush;
]3 a, x u. ` i4 S3 I6 W" E return 2;1 n% H- }4 X* l. }
}
0 F2 o4 [" Y' u5 d8 o9 X3 获取当前文档9 E0 I" N3 `0 b
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 o: H9 M3 _6 L& q! H5 a
* m9 |, C4 l4 B2 uCATFrmEditor * pEditor = GetEditor();
! l; w" F0 X: b# w. `- w- b" Xif (NULL != pEditor )0 c' d* V* L( m
{
8 y: R# S& z" Y( Q# ~9 A' [2 V. x cout << "Editor got OK" << endl << flush;; g7 O8 ~) x5 q+ \
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else8 X" ~5 E( z" T, }2 z' v& l" K
{
' o2 d. ?( O& x# b cout << "ERROR in getting the current editor" << endl << flush;9 e, o9 D9 M$ H3 ?' K( a5 u
return 1;
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7 e+ c1 w$ }# M; ICATDocument *pDoc = pEditor->GetDocument();/ H1 d, Y3 M& j4 A3 s4 w
if (NULL != pDoc)0 ? h9 {4 D/ \0 f" F& G
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cout << "Document opened OK" << endl << flush;3 s# U' J" S- H0 M
}
$ X3 X, g4 v9 q$ Velse
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cout << "ERROR in opening an existing document" << endl << flush;
Q0 k: e9 y4 S0 J) l& o& b! h 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。7 |% T' o# e4 I& ~' o
4 保存文档(Save the Document)
' g8 V o! N2 |6 u& o4.1 另存:即保存为新模型
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CATUnicodeString savePath = "XXXX"; //文档保存路径
; m& e$ {5 O# U- D1 ~, L7 yrc = CATDocumentServices::SaveAs (*pDoc, savePath );* J, Y5 ^ }$ C9 `( z6 [
if (SUCCEEDED(rc))
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4 S7 e# _% r1 R! f2 c6 f cout << "Document saved OK" << endl << flush;
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{
, l7 h2 x1 X, T+ `! ^ cout << "ERROR in saving document" << endl << flush;
4 q* X( `4 j' X1 P/ o' z6 Q return 5;
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4.2 保存:不更新保存路径! p+ u6 ? `0 h' Q( O
rc = CATDocumentServices::Save (*pDoc);% m$ P, B# D' f2 B" N
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if (SUCCEEDED(rc))4 c2 w; ]0 `3 H; u* a0 Q9 X
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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;
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}
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5 删除(Remove the document)
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. P3 U6 Y2 Y; z) Erc = CATDocumentServices::Remove (*pDoc);0 ~! U8 P; S; N2 n p1 T& U
if (SUCCEEDED(rc))
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cout << "Document removed OK" << endl << flush;
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{
! L- [; [1 ^- y! ?* z3 w2 P6 J2 S, } cout << "ERROR in removing document" << endl << flush;
. t1 ^( u, k! ^+ f return 6;
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方法封装. L. \8 }; V& x5 }
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) a4 I& S9 I! ~
输入:6 }' P7 z1 {3 z4 c
CATUnicodeString PathName //文档(模型)的路径: x+ F* I+ V4 s* g
输出:
9 F) }9 B% d+ `# Y/ }- _4 eCATIProduct ** opiSonProd //文档(模型)的指针
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8 C( H* Z% z7 N7 Q$ c- s2 S+ h5 n辅助功能函数:
7 i. E+ s3 \7 y获取当前模型树根节点& u1 G4 X4 I- J. L, `
模型加载后可视化1 \5 ~ l- L6 U
刷新根节点
2 c8 F1 S' U8 {1 x7 n1 P. H) ^% b8 N----->打开文件, Y& z* x( X+ c1 b# {
CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)4 t3 O6 A, g% P, P9 J s; Y
{
9 m; W. `/ R6 o: k# AHRESULT rc=E_FAIL;
& z) a4 F8 E& U# ~+ OCATBaseUnknown * pRootProduct = NULL;
+ D/ `% O* P1 w7 W, \9 @% G7 UCATIProduct *piRootProduct = NULL;
, \& Q) T* O' ^" prc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点, j- O4 K5 x9 M! y, B# e
if (SUCCEEDED(rc))
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rc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);
% t- i, n7 Q6 N8 o4 Eif (SUCCEEDED(rc)&&NULL!= piRootProduct)
_8 k" g9 _& ]( t6 @{
% ^1 E$ o& [2 D; o- H7 J. rCATDocument *pInstrumentDoc = NULL;
, d# w, a- j0 V$ D" y8 \CATIIniInteractiveSession *piSession=NULL;% }/ M" o" p& m' a; T1 \
CATSession *pSession = NULL;
# N' l3 [' ~( J+ ?. D) Vrc = ::GetPtrSession(pSession);) B0 t: A) V* i4 }$ w. |
rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
# n u5 x, J% z2 C# W4 m P1 }CATIEditor *piEditor=NULL;+ w. `( N$ w ^: L3 ]
rc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ; x3 F7 \7 e7 m& D* D1 n8 y0 ]9 O
if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )! z2 k6 R8 A5 r$ R# a
{ cout <<"The document" <<PathName<< " is opened" << endl ; }$ U. X* S. J1 ?3 O% I N
else
9 P. ] v/ n1 Q! `{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }
+ O. y9 g2 y; H0 d4 K; I6 nCATIProduct *piInstanceProd=NULL;
6 E$ t) I& ^7 Y) ]4 urc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下
$ _ } E/ B6 y9 Wif ( FAILED(rc) ) return FALSE;5 l% A1 e4 H* H
// rc = piSession->Close(piEditor); " K6 L1 |) h8 H8 H
* opiSonProd=piInstanceProd;2 J) Q- l( o! {2 h. o9 @, `# y
XXXFunction::UpdateProductRoot(); //更新根节点+ M2 m$ J. y$ w W
}
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return TRUE;
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+ H& d) ]9 A; ?----->加载模型可视化- S) @7 f6 k1 v7 i* z
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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); - e6 {( d; V. `! j
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//AddExternalComponent全局函数所需的三个参数,
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/ v# C7 r2 P& J Y4 B4 t9 M: a //被**的product document的root product,CATIProduct类型
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; e" T1 w3 q. f& U3 W d8 E% M$ e/ B //将要**的part document,CATDocument类型/ @! V' {, ?6 U5 m+ k* E# h' m
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//the product instance of the imported document
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* } a: u, @( l4 Q6 f; M //注意要**的document也要检索它的root product4 F8 `: b8 i3 s* m; R y, d- t
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cout<<"添加组件执行"<<endl;
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HRESULT rc = E_FAIL;
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if (! ipiFatherProd) return E_FAIL;
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if (! opiSonProd) return E_FAIL;
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2 q6 ?& K, D; ~0 a0 `: t" v! b if ( NULL != iDocument) x1 k" \( h* J
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{* S: D% e3 }# m
' p b: K' J' r6 j" h // Get RootProduct of the document to import.8 a8 c7 I/ x- W h& p
0 [5 g3 ~/ @2 D3 d/ ^) O# s CATIDocRoots *piDocRootsOnDoc = NULL;
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U8 u: ? f5 R0 n2 O; q1 Y' j0 D rc = iDocument->QueryInterface(IID_CATIDocRoots,
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' l, F7 ^; L, |. C2 G (void**) &piDocRootsOnDoc);
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if ( FAILED(rc) ) return rc;. w. A- N! {. g# S; M; s
9 C9 e7 N: a: \ CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();
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3 N% v. t6 D* E0 { CATIProduct_var spRootProduct = NULL_var;- e" t l* x, y3 C6 X
2 h( ^8 }3 B% K
if (NULL != pRootProducts)
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) J$ ?. O) X( B6 [ {
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if (pRootProducts->Size())% ~, ?: X2 O1 Q
! i, t1 U$ s- t$ g" {7 b { 2 G, v+ k: o3 v
! v9 F: N$ k0 m: c5 }
spRootProduct = (*pRootProducts)[1];
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delete pRootProducts;# W) L/ L* _! y. I. K3 h) S: M. h3 }
. w. `; q. {2 D, v0 o8 f8 {1 a pRootProducts = NULL;6 \( C$ Z) t; y. D- n' R
' J9 m6 \, L6 R" S }
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piDocRootsOnDoc->Release();3 } j& W5 x6 r& I& {/ P# @
) O, i+ D+ v! z. l6 N, v! p4 ]5 ?
piDocRootsOnDoc=NULL;
+ g+ @4 p- P# ]+ l$ i
3 h( y4 X1 B- A) }' [ CATIProduct_var spProduct = NULL_var;, @/ e+ p9 b) n( Q5 ?
/ d1 |" F, w& g( A7 x if (NULL_var != spRootProduct). Y1 {5 _. J4 ^) m2 h# i% E
% h1 {/ h0 S+ k7 l* j7 r3 X
{0 ~) w2 O4 ~" o) s' r2 {! G
. I# Y* Z% ^1 d: ?8 {
spProduct = ipiFatherProd->AddProduct(spRootProduct); J5 }# r+ E6 }# P
) T- ^( P1 o& R `% f$ I cout<<"NULL_var != spRootProduct"<<endl;
" J: t* E! P6 h1 h* W. e2 H1 d
, p6 z# {+ K# b7 v* ^( I& K$ g5 J; N }
* \7 m. h4 k- F, L% C$ N
( \8 ]+ k$ v. w8 _7 H else6 a0 X6 d4 j5 s6 _, v
- S1 w, H# I2 `% ] {% A4 [( C0 b/ n- b- `) c1 {
g6 M5 h; S, V8 T CATUnicodeString docName = iDocument-> StorageName();
! S* h5 N) ?8 t4 P8 r7 } f" ^: j% J i0 n# T( l- K
ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);
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}$ p) H: ]. Z3 }' h# k; t9 e0 n
1 K/ E$ d' U$ l/ u8 V8 `
if (NULL_var != spProduct)# ~4 j( e2 r4 p) b2 a
6 h! ]8 _8 [9 R( ^- F% t {4 ^ M, ?3 V, ?% L# s; t+ h
' O0 p- V9 N, ~) t+ s! S6 ` rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);- g+ @2 O' r) w* B& ?
* Y9 q/ ^. R0 t, y
if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;& N% q; J- |5 ~) k- w) r
+ f, o. b7 G3 M9 l }& I/ N& F1 l4 _. e
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R/ F6 t% i+ C( _+ S* y
* o2 ^9 f: x5 s5 b }
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return rc; * M9 ~* m" L4 {
% J; y7 ~8 g: L} B+ G& L: P0 C3 @" I# l4 q
, p3 d0 F+ V5 N7 N/ T' d5 s----->刷新模型根节点
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void XXXFunction::UpdateProductRoot()
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{
b" Z% A+ [7 A& G7 t/ ~, g- u- j
2 b9 v) e2 I3 x. o$ s% h& v //*******************************important**************************************
2 s. b' x3 T$ C/ E) T
4 b7 f d( c4 D$ k! M: l" R W CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();
3 Y9 Y% p# E8 ^: i( O
8 p- B# l5 l+ C& s- Y CATFrmWindow * pWindow = pLayout->GetCurrentWindow();, Q9 e2 @5 A3 E( w
% {, U' p, S. a0 ^
CATFrmEditor * pEditor = pWindow->GetEditor();6 ~3 ~- g' C& c/ c
5 G) K' P" n. o( y2 X! u CATDocument * pDoc = pEditor->GetDocument();
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//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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CATIProduct *piRootProduct = NULL; 8 t8 U1 q Z* |1 S+ [
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CATIDocRoots* piDocRootsOnDoc = NULL;- q% A' q& A$ ^& @
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HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);
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if (SUCCEEDED(rc))
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// Retrieve the root product which is the first element of root elements/ Q. ?! `% A' H1 N
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CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();$ v8 d! ?! q5 ? `: `, n! s2 B3 X( u
b6 C, i# j) u5 _ P* [ piDocRootsOnDoc -> Release();
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piDocRootsOnDoc = NULL;
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1 t, Z4 H7 M: c6 o: {- [# H6 h. h0 Z CATBaseUnknown *pBaseRootProduct = NULL; 3 e! l7 p! ~7 j- X1 _) d- ~
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if (pRootProducts && pRootProducts->Size())) C( Z: @; F0 u T4 Q% \
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pBaseRootProduct = (*pRootProducts)[1];
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delete pRootProducts; o& f. C" l2 |( r X
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5 H( Z4 k: L+ i& w m if (NULL == pBaseRootProduct) return;
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rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);
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if (FAILED(rc)) return;: @0 g6 a4 c. p" n2 }3 r
1 L, I! u; G5 b2 R6 n! c //对模型树进行刷新
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CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新/ r. f/ b* |/ G6 J' U3 Z% b7 K
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pPartRenew->Update();
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}
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$ h' C/ h* A. {$ f) P# w/ j1 d9 b //----------------------------------------------------------------
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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。5 ^2 q" ~( v8 F, ~. e
9 N+ P! f. z5 n) L k8 _ CATIModelEvents_var spEvents = piRootProduct;6 `1 _3 U; q: `& \4 M* `
) o! j4 n6 M) } CATModify ModifyEvent(piRootProduct);
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! L+ O7 n5 s) I& T spEvents -> Dispatch (ModifyEvent);
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//Update the graph view" s* g' n" a: R7 J* I4 g$ w
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CATIRedrawEvent_var spRedraw = piRootProduct;
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spRedraw -> Redraw(); 1 G. S4 |8 u9 I( w8 H7 p- l
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piRootProduct -> Release();
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piRootProduct = NULL;
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} [8 ^; |- A9 ~7 Y5 ^8 c. Y- ?/ i
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