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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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* M+ ^) c# B: f; t8 [1 FCAA中对文档操作的基本步骤如下:* k4 u0 x# c. P1 q W% r
& _$ l* A ~8 |3 E) W7 U创建会话 - creating the session
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8 V" Y' [1 U0 L新建文档 - creating a new document# j, y$ z; r( l$ g! i2 k$ Q v2 a
! n: p, X( p! @% |; u. S调用接口 - Query Interface6 c$ }, {! \7 y2 r6 d4 m
; I! R1 k; z+ n5 r获取根容器 - retrieving the root container
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保存文档 - saving the document2 j1 L& D' |4 k ?& h; n
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删除文档 - removing the document
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# h+ ~0 C/ M- F: g删除会话 - deleting the session 0 d" x0 C6 C6 N" l# S
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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。; m" R8 B8 N; j2 n) E
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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。* S5 k) h4 ]5 B" O4 T2 p+ s, P( e4 K
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下文将对各步骤进行补充说明。- R, y4 r/ i- G' v2 {9 J- a+ ^& s
l% G* a- g- u; R; ~+ O: O+ d% q2 h( w1 文档创建(Create the new document)& ^1 z6 T) \6 C7 t! q0 h
文档的创建通常有以下几种方式。可比较CATIA中文件菜单项
: S/ A' y8 g" { o- c; _New:新建一个空文档
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) @( v' b: Q: C6 G% H; R8 UNewFrom:新建自, b* X: i& }2 k& C* ~7 s
$ J. q# {2 N) _+ l+ Y& q) |新建文档代码:5 A6 c; X, Y7 |1 B% n- d; @0 t3 }
a" S2 N. _; |4 cCATDocument* pDoc = NULL;
, b3 n' \. S; T! s8 B8 g2 nHRESULT rc = CATDocumentServices::New("Part",pDoc);. N% c4 H1 r! [0 U, s" A8 T
if (NULL != pDoc)
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cout << "New document created OK" << endl << flush;" F, }9 C; M; A4 E7 Y% W- S
}
, W- ~) w$ L' N Qelse
+ c6 c! k+ \1 |9 c6 S+ b# o{- m; U' K3 W7 N8 T2 R4 N
cout << "ERROR in creating New document" << endl << flush;, U/ p) p# o3 N) [7 |, h& H
return 2;. s4 y! k+ B9 E7 l+ ^7 ^3 z. O
}
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2 文档加载(Load the document). |4 j; C- R9 U0 g( ~
文档加载即打开现有文档,主要方法包括6 e; o- Y: L- K
CATIIniInteractiveSession 中Open方法:打开文档并可视化显示& \; H- D' j" m# v; t( y! O
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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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Open方法:
* b$ C$ W; R$ S4 s9 J- s+ @: DCATDocument *pInstrumentDoc = NULL;" B# l+ B' r0 s( V! {" u2 Q# ?) V
3 K( n. ~" L3 p) }; a* N% nCATIIniInteractiveSession *piSession=NULL;3 g- o$ P! f0 U9 C6 T8 j
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CATSession *pSession = NULL;
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# q) a7 n A' r( Q" f! }rc = ::GetPtrSession(pSession);- L v- d& n9 Z# `1 M0 p" Z9 c; I
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rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);, F6 s/ [6 `# p5 o+ l6 s8 u
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CATIEditor *piEditor=NULL;& x* x) _4 D) {
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rc = piSession->Open(PathName,FALSE,&piEditor);; o! i) p( @; ^6 ~) V" U9 w# q
" g0 ?: J% B3 ~; J( e( x. Q1 dCATFrmEditor * pFrmEditor = piEditor->GetEditor();' I3 t, i1 N# Y/ @1 B% {
2 P7 p3 \. y; n) N. C9 s; ypInstrumentDoc = pFrmEditor->GetDocument();
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OpenDcument方法:
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CATDocument *pDoc = NULL;
1 w# w, t0 F/ V/ U- A9 ^CATUnicodeString storageName = "XXXX"; //文档保存路径名
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rc = CATDocumentServices::OpenDocument (storageName , pDoc);# J6 ?7 @& Z; H3 W
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if (SUCCEEDED(rc) && (NULL != pDoc))
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cout << "Document opened OK" << endl << flush;+ v8 g3 a4 ]/ J4 ]' B
}
, [" G8 q' U" g5 X' q( s5 ~! belse
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cout << "ERROR in opening an existing document" << endl << flush;
6 I2 _ t' a8 z+ K; h* m3 `( J) C return 2;
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3 获取当前文档8 u+ L4 c5 r" z+ b* C5 c! N
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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CATFrmEditor * pEditor = GetEditor();
0 g3 R6 O. ?/ p+ h" D3 N6 H/ ^2 f/ Yif (NULL != pEditor )
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3 k( p. K; W" i8 f' i1 r cout << "Editor got OK" << endl << flush;
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else
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cout << "ERROR in getting the current editor" << endl << flush;' R7 [" k5 Y" ?) T& Q( {
return 1;
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CATDocument *pDoc = pEditor->GetDocument();: \6 `: \1 r0 \3 @7 K$ F0 `# O7 C( _
if (NULL != pDoc)
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8 E, w6 ^$ `8 ~! u/ _; T* x cout << "Document opened OK" << endl << flush;8 N6 O A2 ^: g8 A! G
}
1 _. D, b6 i& C! U7 Y8 @5 A2 Q6 Felse" Y3 s: ^ l" h) @7 ]* C( V3 d: h
{
7 O) S- R" I, I' n% t# I9 | cout << "ERROR in opening an existing document" << endl << flush;
2 H N/ S1 T& Q! E% L 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。
: V- o- I @* M. q4 保存文档(Save the Document)
; V& c, E! {* H" c4.1 另存:即保存为新模型 l# }; [' Y' w/ V
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CATUnicodeString savePath = "XXXX"; //文档保存路径
! R! l5 ?, H6 ~: q! Xrc = CATDocumentServices::SaveAs (*pDoc, savePath );
3 _# y( e$ ~7 T5 s7 rif (SUCCEEDED(rc))3 H1 @: R: J- D0 F
{
( h) h# J2 Z, Z# e5 J) P. G cout << "Document saved OK" << endl << flush;
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cout << "ERROR in saving document" << endl << flush;* q( J# q) ^2 X3 F
return 5;$ K3 N( z4 x/ x' [8 ]- |4 a3 W, {
}
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4.2 保存:不更新保存路径9 Q3 m+ o& a l/ x% a- H0 s( n
rc = CATDocumentServices::Save (*pDoc);' w$ w; w9 W1 h
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if (SUCCEEDED(rc))
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) P& C2 A) ~6 D. V( y8 ~8 |0 P5 ]5 e cout << "Document saved OK" << endl << flush;1 e9 H# k/ m6 G7 w
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else
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5 r% P. W4 n6 O+ G% {6 u cout << "ERROR in saving document" << endl << flush;
- T7 w: h2 z, f return 3;
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* |( k8 O; V1 u+ h* ^5 删除(Remove the document)
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- v+ w, Y- ^2 m: ]- }rc = CATDocumentServices::Remove (*pDoc);
' k4 ^- D) d8 E+ E' eif (SUCCEEDED(rc))
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cout << "Document removed OK" << endl << flush;
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% d# b2 t F$ m9 e2 X: l$ Telse
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cout << "ERROR in removing document" << endl << flush;
- \- z9 R% f: U6 w# a }; p return 6;3 x! @: w5 v( E* [: `0 h) q
}
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i. ^$ B$ F5 d& Q- }8 }) P方法封装: i( E5 T- l; W2 g, l8 C$ G. ]) l9 E
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
# {# ]# F& ]3 Z) T+ d; w输入:
) m% V* }$ ]" I( ZCATUnicodeString PathName //文档(模型)的路径# }- s% H9 P# Q w" W8 I5 n1 y% ]4 E
输出:
, s$ M& |# W* S, H; k2 ?CATIProduct ** opiSonProd //文档(模型)的指针
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辅助功能函数:
% t6 W0 M* w& F: d1 y# @1 g' b获取当前模型树根节点
' R* u/ q: f# `2 {* j模型加载后可视化
; C. N# i* h/ e4 K( f; K; ^! y5 ?) T刷新根节点
; Z v$ g! s# G/ ^2 ~----->打开文件( r* z7 t, b* ]9 x f' y
CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)
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HRESULT rc=E_FAIL;7 u7 O- R d( A, Z4 @: z8 S* y O+ w
CATBaseUnknown * pRootProduct = NULL;
6 j' E) n! Z) y9 N! v% E" NCATIProduct *piRootProduct = NULL;8 k4 N$ h2 h7 |$ ]+ @. r
rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点# H8 y s G; w6 a; P) U
if (SUCCEEDED(rc))
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1 y$ x( u8 ~+ D5 Prc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);/ x$ L, f9 g. ]
if (SUCCEEDED(rc)&&NULL!= piRootProduct)1 r2 l! K, h' ~( f: G% J1 [1 @
{
% @& ~. @& F, H6 pCATDocument *pInstrumentDoc = NULL;( n" C" E$ S' v0 ~' O# B
CATIIniInteractiveSession *piSession=NULL;
3 o+ X6 ^8 `8 o6 X- ^" }CATSession *pSession = NULL;
: c; a7 ~& h a1 n# }! Mrc = ::GetPtrSession(pSession);
4 z# o5 \% H% e) n: e" ]rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);, U8 m& p' Y5 v) h( z8 W
CATIEditor *piEditor=NULL;
8 z6 i# y2 t) s5 Z0 p" E) R) Nrc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;
7 v2 a( c) ~" ~+ O1 k9 u" I! ~if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )
" R5 _1 b7 @" [3 E# ]8 A; g{ cout <<"The document" <<PathName<< " is opened" << endl ; }+ l @% p+ a8 i3 n# w c; d3 j7 X
else& W3 i3 G2 V) I) g! X5 I! s+ ?
{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }+ |8 w T( F; V' N
CATIProduct *piInstanceProd=NULL;9 `! f& X" ?, k0 D# C/ X
rc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下
# M5 N7 S/ X/ ?# N% o* v2 Cif ( FAILED(rc) ) return FALSE;& \: c1 u7 V5 v9 J' t+ d
// rc = piSession->Close(piEditor); 9 H5 l6 H9 G$ I
* opiSonProd=piInstanceProd;
$ z( v* T1 o1 kXXXFunction::UpdateProductRoot(); //更新根节点& Z- ~$ u3 s' I7 ^/ [" k( a
}; I: ]8 s* [" D6 [9 g% g) D$ s# V$ n
}
! h6 R2 T; Q( m8 n; Z7 \9 freturn TRUE;* Z; c! _+ @$ o
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----->加载模型可视化2 |- N. Z$ V9 N+ ?$ ?
/ X# V8 X: U" s$ R6 K# ZHRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)
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//AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP); ) h- Z1 D5 A3 r. Z# ?& V
8 i# u( `1 ]+ t& l7 M //AddExternalComponent全局函数所需的三个参数,. r4 D# z- c7 `/ H* D$ B }% K
" H2 D' y' ?* _" g f' \ //被**的product document的root product,CATIProduct类型/ \; b; S, P& o! f
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//将要**的part document,CATDocument类型
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2 ^" N( P& v3 f' \ //the product instance of the imported document8 v8 \- g; g$ n
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//注意要**的document也要检索它的root product, q& M/ e7 C3 g: C6 Z: m
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cout<<"添加组件执行"<<endl;3 l5 j H9 H( ^% u Y
. F! i6 P# o8 x" C( d0 p HRESULT rc = E_FAIL;2 S0 C: D, e) {6 Z
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if (! ipiFatherProd) return E_FAIL; , X" J8 N! z4 i* B# D
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if (! opiSonProd) return E_FAIL;
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1 L0 S! t6 {1 z& q* ^ if ( NULL != iDocument)
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// Get RootProduct of the document to import.
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CATIDocRoots *piDocRootsOnDoc = NULL;
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# ^! \% |# K1 b1 L rc = iDocument->QueryInterface(IID_CATIDocRoots,
- a' S; h2 e S( f, B, E: }# s; b) @! m$ q# J$ P# ~8 ^' j# i6 H5 d
(void**) &piDocRootsOnDoc);9 C7 s3 q, L; s- w, @: B" U
# Q, B# k8 i F8 L
if ( FAILED(rc) ) return rc;* m, K! }0 e; q6 `/ v
$ U! a- v1 Y- f' ^, V CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();" ^0 r% L' X/ s
. o6 z6 i9 C) _, K i+ S: m }
CATIProduct_var spRootProduct = NULL_var;
* m8 E) s! M, {
) ]7 ~2 q( I9 Z1 p# p if (NULL != pRootProducts)
: ~8 D# z5 B" d, W4 z7 T$ c& g6 L5 ]7 C$ t7 j
{
% `& h! N8 R1 `& g
) T' }( X7 D& d8 d! d# B5 X# E7 m if (pRootProducts->Size())* x0 n( [: i/ K8 h* {) M
/ v. a. L3 E8 a+ i {
0 U# ~0 @- I/ n& k& y
7 J* z. D7 ]5 h Y: q spRootProduct = (*pRootProducts)[1];
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delete pRootProducts;# L) d9 K# w; K- v4 |: P
0 Q: |5 I8 v) l pRootProducts = NULL;% z) |/ k: s# I5 \1 u% d v
4 B0 e% @( k& j0 e5 Y& v# q- v }
8 v% a) s4 h+ p8 B1 s$ n7 r
- C, } X9 a K) y9 e piDocRootsOnDoc->Release();( N, |6 ]6 `: F/ U8 M% [
( w T% @8 r: [. j( J4 C piDocRootsOnDoc=NULL;
7 ~8 N+ g% n; Z% Q' {/ U0 Y+ i# t5 H8 R, y$ v' u3 X% i W
CATIProduct_var spProduct = NULL_var;/ b0 d7 [/ F R9 ~8 s0 F
/ C. K8 Z* M6 E if (NULL_var != spRootProduct)' G! f! s& {) l
7 M2 ^6 @# I" }) b
{
% S. k0 s+ h" i( o8 L, _/ h5 R+ X- b
7 d0 G3 @4 i9 ]" o8 @! x spProduct = ipiFatherProd->AddProduct(spRootProduct);
! m u7 A- b- \* H) [/ n9 t$ m; s( b- A z
cout<<"NULL_var != spRootProduct"<<endl;6 Y+ \+ K5 y( w
2 N& @% }% i( a8 y8 z, \0 W; F
}; w8 I' K* c3 \* x {
4 ]" `8 x i4 ?+ s. a
else
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{1 D: z o/ A4 U/ O# E5 C- D
2 } D; [( Z* o9 ]2 s
CATUnicodeString docName = iDocument-> StorageName();* u, t7 h) P g, F0 t5 h! S- O& Y
$ S) ]9 A! } {0 _: d( h* Y6 H ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);3 z/ x. r+ i4 T& F# E
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if (NULL_var != spProduct)
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# I0 G+ B3 d o; m) L {& H- e2 K: k5 ^) U
# P) [, Y- a0 w, D' o
rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);
, u" c7 W" l2 K9 A$ b- l2 ~2 B$ Y2 ^9 P; I' e: y5 A# q% q( A
if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;
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Y% n# b; Q! s' ? x% k; _' }2 G }# w( D4 N5 Q+ h8 E% e1 b5 ~" ]
' p1 x# p- K8 f) x } ) I/ e: B# Y( G
$ [. C& e0 @2 d$ z8 a* g$ w( l }0 G. Y6 Y0 z9 q% Z6 u
( @' P; d' O) v. Q return rc;
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} ! K& I+ y5 D- v3 A8 w8 @8 _
! H+ }3 e! O, ^3 l$ q, g1 w
----->刷新模型根节点+ @; K+ ^( X* h( \, J
9 v8 i2 O$ [8 J2 O6 Nvoid XXXFunction::UpdateProductRoot()" S# v) r# |# `7 K' W$ [
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9 l; j1 h1 ]. X r+ V, g" g, s% z" H, j" P/ @+ t+ x
//*******************************important**************************************) E1 a( ^, u3 o/ n7 G
9 l: j+ B. X# O& f CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();
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8 c* q, @, K/ ?/ B3 m6 B CATFrmWindow * pWindow = pLayout->GetCurrentWindow();
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CATFrmEditor * pEditor = pWindow->GetEditor();
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! d$ z7 w. n+ a: c6 G6 c4 Z, o# g CATDocument * pDoc = pEditor->GetDocument(); " S) F$ t# @, P: x8 H% O5 J8 J6 C
! T- h4 i8 v }5 r //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 i% D7 r/ k+ P/ W( X6 y* {) V/ K
0 g0 t: c4 x2 ?" j' a# n //首先,获取该当前活动文档的产品根节点 , F) ^! _0 _# h) o d C* I
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CATIProduct *piRootProduct = NULL;
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7 o9 [0 {( p8 B( ~$ R CATIDocRoots* piDocRootsOnDoc = NULL;, {( L8 J/ O1 }5 ]/ W. u
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HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);
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6 v8 C' O* a& e0 I: l if (SUCCEEDED(rc)), \$ ?/ _) t; r, I! O- w
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{
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- e' D" o# h! c* u7 q$ L // Retrieve the root product which is the first element of root elements
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CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();# u1 y: H8 e* } w/ q
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piDocRootsOnDoc -> Release();2 u9 v. ^! _6 ~7 V+ C. ?6 h. g- G' {
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piDocRootsOnDoc = NULL;
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CATBaseUnknown *pBaseRootProduct = NULL; * e& c& t% v3 ~( M O9 H
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if (pRootProducts && pRootProducts->Size()) q/ K9 k& b" f" P
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2 I2 M, R R0 u1 Y pBaseRootProduct = (*pRootProducts)[1];/ |0 C) @% |1 \* M) N1 e2 t& i
0 T3 y( l9 a+ K+ s7 i7 J delete pRootProducts;: p' o; R. _& U
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pRootProducts = NULL;
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k4 b$ T* U( S# _ if (NULL == pBaseRootProduct) return;
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; X3 N, D$ I: Y# {4 g rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);* f8 ^7 H6 C2 ?* i% G
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if (FAILED(rc)) return;6 n" v8 Z; z, S( I+ f; M
3 l K) P y h" n //对模型树进行刷新0 q! _5 X! |4 F$ j
+ a& u. w6 {" k3 W7 m& q CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新
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pPartRenew->Update();% R$ N6 v& K3 ]0 f- t( l0 S
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# t3 _2 N8 ?+ q& J" [4 y else return;
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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。4 M' H& ^$ ^8 m) E
6 t2 G- i% o; {& m2 j CATIModelEvents_var spEvents = piRootProduct;8 i% [4 O" S8 P8 |5 ^! `+ i& A
* K1 l' w) f* `) Y4 [ CATModify ModifyEvent(piRootProduct);. j% e; U& C7 y v; @
5 N- V1 Y. R2 ] spEvents -> Dispatch (ModifyEvent);
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2 Z+ t/ |8 ]& X; u) i% J //Update the graph view
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CATIRedrawEvent_var spRedraw = piRootProduct;
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5 O7 c3 A/ _& D5 h! L" y4 O1 S spRedraw -> Redraw();
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/ A4 n( o, [# X6 Z8 | piRootProduct -> Release();; W8 `/ Z, p' ?8 A5 Y+ \9 D
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piRootProduct = NULL;. y4 _. S; Z, N# I$ F9 _$ i
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