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CAA开发之文档操作0 x! R" R$ q$ x! ~4 I
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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。: D7 N) x+ n- ?3 q2 t0 I
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CAA中对文档操作的基本步骤如下:
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* {% p8 J% D4 \ ~ s: m0 S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; ~7 R* q k1 I+ m* T
" O7 z3 _8 K: Z6 o; Z' Y+ e) e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 document! t# J" |# j# D l/ Y4 n
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删除会话 - deleting the session 6 k) _# [/ ^3 T9 a
, P2 G6 W6 |% U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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5 {- u* n% Q. P/ z- O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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# z$ X1 L& Y Z下文将对各步骤进行补充说明。' u" z& {% @* a' B
3 N. Y, \: f, s& V7 H$ e1 文档创建(Create the new document)
9 C" k$ u) U# q文档的创建通常有以下几种方式。可比较CATIA中文件菜单项
; ]' R5 k# F% J- _; f1 PNew:新建一个空文档
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NewFrom:新建自) u% D5 x: }) ~: c0 j5 S
" V. V- n. ]) M& H新建文档代码:
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5 r2 c+ _' o! K# g3 CCATDocument* pDoc = NULL;' p J$ c" R7 t# ~) a a& q3 T' w
HRESULT rc = CATDocumentServices::New("Part",pDoc);2 z% v$ w5 M8 _0 L7 `) ~
if (NULL != pDoc)
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cout << "New document created OK" << endl << flush;* ]6 n" A7 S$ W; R7 z: v- w
}8 h6 z) j- s0 {& k
else) V& k; C) H' F+ K. {# P9 S2 k# c
{( ^6 C$ C4 B9 r9 p. C) _/ y# D4 R/ d
cout << "ERROR in creating New document" << endl << flush;
& h3 n4 D8 M) f) O# K' w return 2;2 E7 w7 J: I4 V) Y- y
}
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6 J2 r( k( u; i/ L2 文档加载(Load the document)
7 |5 e. f8 @* w; X* `9 k3 } N文档加载即打开现有文档,主要方法包括
! R/ D0 l' K: v. rCATIIniInteractiveSession 中Open方法:打开文档并可视化显示
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2 V+ x( M5 q0 fCATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行
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Open方法:
% }7 l- `% b B9 I3 S3 ACATDocument *pInstrumentDoc = NULL;
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6 ?5 E6 r! ]0 j; [1 {2 VCATIIniInteractiveSession *piSession=NULL;- }& K- ^ D0 G q3 U8 ~" ]$ W# q
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CATSession *pSession = NULL;! { F+ h0 Q) [. m0 Z2 p- h
5 D/ u# x6 A; K% [rc = ::GetPtrSession(pSession);
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0 i) ?7 G! Z; \. [4 Q6 q0 _8 `rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
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6 I# d! n! j" _0 p/ h$ d$ PCATIEditor *piEditor=NULL;8 |: C, I( m- x' W, `3 Z+ I- o
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rc = piSession->Open(PathName,FALSE,&piEditor);! w5 ~ n- N& z6 P& e! ~& n9 Y
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CATFrmEditor * pFrmEditor = piEditor->GetEditor();5 m9 J" g0 J3 S8 j
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pInstrumentDoc = pFrmEditor->GetDocument(); ' M8 r, S2 ?2 U4 e( q$ g
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......' N+ r: f- H [7 r/ {& }3 O" g
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OpenDcument方法:
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V! t6 v A9 `1 C9 r9 \CATDocument *pDoc = NULL;4 L: l, D8 F) B) B- u
CATUnicodeString storageName = "XXXX"; //文档保存路径名; ]$ h5 L0 o7 N% ~
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rc = CATDocumentServices::OpenDocument (storageName , pDoc);4 y9 |8 M( e& j' T" T; {
" M6 j; Q; p" h' Oif (SUCCEEDED(rc) && (NULL != pDoc))6 B8 t. P$ D+ O$ t4 D4 e: E# d
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cout << "Document opened OK" << endl << flush;- h- y+ K, q! B, b" T, p- p/ _( n
}
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cout << "ERROR in opening an existing document" << endl << flush;/ b' ~0 E. a! N& I$ U- o( t) q0 u
return 2;( e R3 u, `) E' `" L
}
1 w2 K) l1 m' O9 b# A0 ~; G* J3 获取当前文档1 z0 U1 ^9 s/ C' r; 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,
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CATFrmEditor * pEditor = GetEditor();
/ f' a) v0 F: L |1 M. F2 S$ b; ~if (NULL != pEditor )" ^( B) G2 E# q, n- F% w6 r) Z6 ]
{
# E! M6 S( X4 {5 D* N3 t! _ cout << "Editor got OK" << endl << flush;
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cout << "ERROR in getting the current editor" << endl << flush;0 ?- r% u" o3 {8 |# p u
return 1;
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CATDocument *pDoc = pEditor->GetDocument();8 P; r, W# B5 r! O# J1 @: J! X" w( |
if (NULL != pDoc)# g! B- I; ?/ u& I. W
{
+ x& S- x6 h6 Z9 s cout << "Document opened OK" << endl << flush;; Y2 M! t4 ?- D0 Z0 z1 R9 \
}
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cout << "ERROR in opening an existing document" << endl << flush;
# d& F; e) M/ U0 d& Z1 [ return 2;/ j6 ?' ]0 H4 t6 c- y* d
}; e; l* M3 F) G d$ @, r! J( h
: q. E# r: W7 G 该指针的获取还有其他方式,如通过CATILinkableObject 类获取。
& f% l0 p' k# a# y: h" P; A8 N4 保存文档(Save the Document)- z' F$ j/ @( J. l5 g$ i$ m& y. `9 s
4.1 另存:即保存为新模型
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9 K7 ]- ~$ r' }2 U8 [3 WCATUnicodeString savePath = "XXXX"; //文档保存路径
: m7 `9 V* T" G. v, D: W, r' w8 |rc = CATDocumentServices::SaveAs (*pDoc, savePath );9 i6 |6 T2 T. H; O1 y1 m( q
if (SUCCEEDED(rc))
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0 Q& f5 S! D& }5 S8 m) L cout << "Document saved OK" << endl << flush;
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else
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cout << "ERROR in saving document" << endl << flush;
) i) D) r2 l+ D/ Z$ _( ] return 5;+ a9 j% ~! {! M ~
}
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6 m6 C8 x0 o) r* c' @( E4.2 保存:不更新保存路径" [+ I8 H+ ^/ U+ v5 s
rc = CATDocumentServices::Save (*pDoc);
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if (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;
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: S, I, p t) helse
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1 d- O6 q9 Y! e1 b3 n4 w2 H3 d; P cout << "ERROR in saving document" << endl << flush;
1 n3 l% J% B6 [' a return 3; ]4 \: r7 [# ~+ \: a1 D- C
}
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5 删除(Remove the document)
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rc = CATDocumentServices::Remove (*pDoc);
e: x! z+ q+ D' u. w. |if (SUCCEEDED(rc))
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cout << "Document removed OK" << endl << flush;
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8 S* b( c5 U7 o( P) Zelse" ]7 ?6 a3 C; d- |3 N5 W
{
: J# _3 W5 D) N8 \! T: n$ I cout << "ERROR in removing document" << endl << flush;
0 j* ~: \9 S# D( C$ A7 b. v7 k8 ` return 6;' I& o+ O% u6 \$ z+ Z
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0 m. d3 ?: @% h, M方法封装
0 z+ W& W$ u2 y+ f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/ L0 }8 t: h) L
输入:
" l& i( a/ s" ?. C! g, ^, _CATUnicodeString PathName //文档(模型)的路径
4 _) D/ t/ v. P/ z! v2 E* v1 Y# j输出:" y/ ~( W& y0 R
CATIProduct ** opiSonProd //文档(模型)的指针
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4 v+ b4 \- ?% f9 H, q5 S8 K辅助功能函数:
: t `$ r4 U% |+ M' i获取当前模型树根节点
1 `- f D% r8 A7 r模型加载后可视化
" D5 v! F Z2 `& B4 V7 V {* T刷新根节点
4 |! K- ?$ P' K7 G O) |( S----->打开文件
$ y. S3 p( G% O) O9 ^6 R \/ WCATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)8 l3 f1 M' l2 {3 N
{
! I5 p, ]' x; i rHRESULT rc=E_FAIL;
8 j9 G1 _* F! {% ~7 U' H* |CATBaseUnknown * pRootProduct = NULL; Z9 ?5 n A1 W/ v7 }* O) U( P
CATIProduct *piRootProduct = NULL;) S8 t8 t, s% N# C
rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点
% U9 z5 m) O0 P* z; \4 hif (SUCCEEDED(rc))* o6 |! g; ?, ^* B# I
{% A) }+ P# f* J# K) ]( ^
rc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);' N' z3 F2 k) ^4 B4 B/ s
if (SUCCEEDED(rc)&&NULL!= piRootProduct)
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CATDocument *pInstrumentDoc = NULL;
" u8 x+ `. w" M. xCATIIniInteractiveSession *piSession=NULL;
5 \2 [" y) m5 XCATSession *pSession = NULL;/ b M1 V+ h+ g( l# |) U, `/ P! F) O
rc = ::GetPtrSession(pSession);
- `8 Z0 g& w# `) C4 Orc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
! m* U2 `9 N: F# W2 `9 [CATIEditor *piEditor=NULL;
4 \' W* F; s: {/ v5 g% `/ grc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;
5 _% A$ _$ h# a. Y# c2 w4 ]if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )0 ?8 m" y, X8 D
{ cout <<"The document" <<PathName<< " is opened" << endl ; }$ r: t1 m4 `, C. ^6 p8 D' U
else ?1 t5 ^' s- E1 p
{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }
, z2 J& L8 n7 q0 ]" xCATIProduct *piInstanceProd=NULL;
8 x U7 D8 B; e6 o1 erc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下 ( a* A; h: x, b) B
if ( FAILED(rc) ) return FALSE;) q3 V! @$ Q- T2 N' [* L7 |7 Q, g
// rc = piSession->Close(piEditor); , |: o! k+ b4 o4 }3 N: O
* opiSonProd=piInstanceProd;
% J! P7 Z. ], D4 A& P% c- |2 LXXXFunction::UpdateProductRoot(); //更新根节点 s; @$ O/ i3 e/ U% c
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}
" O6 H$ W5 O: creturn TRUE;( m, Q$ ~7 d% M1 j5 ~4 D$ z
}3 c# F, U& H; T# k' H @9 d$ c
----->加载模型可视化6 \$ t6 E" F0 O& I7 m
/ W1 Z" q( g$ O* }: oHRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)
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//AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP); , g B. k0 F: J/ m
% X+ {; B) U% a* E) C' L //AddExternalComponent全局函数所需的三个参数,
# S) y; {6 u6 \ T v* _6 d
& Z! r# K) m- T" T4 E //被**的product document的root product,CATIProduct类型% `/ H6 l7 g; `! C
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//将要**的part document,CATDocument类型
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//the product instance of the imported document
# e9 {' y" o0 X) [% z% S/ H
- ]8 S+ u' K* z# u( { //注意要**的document也要检索它的root product
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cout<<"添加组件执行"<<endl;9 m9 @- U. a- d1 |% \0 B5 I, h
# Z* A3 a$ X ~ HRESULT rc = E_FAIL;" \) D6 j+ I8 L: X/ i7 ^7 _2 ?
) n; X% A: H W if (! ipiFatherProd) return E_FAIL; ' |" e0 b+ p& |$ ^
) |2 H$ _, [* Q9 h% m4 F- P if (! opiSonProd) return E_FAIL;
% `% F3 ^: m& e0 J
S7 q2 b+ ^ |6 M; U if ( NULL != iDocument)
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// Get RootProduct of the document to import.
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CATIDocRoots *piDocRootsOnDoc = NULL;% b S3 Y- w: ]# k2 M
! \: I" m0 p; S4 |" g( `2 p+ @ rc = iDocument->QueryInterface(IID_CATIDocRoots,8 R; ?' K$ |' O- n
7 l$ D0 J- W! w5 J+ @0 ?
(void**) &piDocRootsOnDoc);6 C q3 |9 n9 }8 S4 A+ R$ e9 F3 i
S6 d+ X+ d* @4 R7 m
if ( FAILED(rc) ) return rc;: A- W$ K; u/ ?- p
`$ x* F7 T! f
CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();
" F: @; |! h$ f
+ c7 z6 o- }+ J! { CATIProduct_var spRootProduct = NULL_var; A9 m* ?; x- P9 V! y# [3 k
: b' ]3 K# E0 a4 ]' L8 q; x/ c# K" W if (NULL != pRootProducts)! i8 u& y' c; `$ t2 M. B
" k" a E. V" `+ J# b7 W
{, x/ D R1 m" v- U
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if (pRootProducts->Size()), O/ U% H# q2 W7 f
# U4 k# \. ]. d4 Q* ? { 8 b- k, |2 Y: x' D
& A/ m) X$ ~) x, p
spRootProduct = (*pRootProducts)[1];" ~" d( E4 d! i/ `0 I6 ~, C) m
* C# s9 r1 Z9 [3 Y' E( ] delete pRootProducts;
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, C9 T( L7 W5 T pRootProducts = NULL;9 n2 \! N" l2 ^3 d6 r7 f: W* |3 V
. h7 H& v) X1 V6 x. k$ W/ G
}
{/ @+ f) s2 {! r2 M
5 M% Z1 Q3 p% m* E piDocRootsOnDoc->Release();
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piDocRootsOnDoc=NULL;. N" g+ L4 B! {4 S: G: D. A
; E6 ?2 r# T! R/ O
CATIProduct_var spProduct = NULL_var;
8 ^5 H; l: F& k( C$ ~% U
) C9 ]5 y& D5 S if (NULL_var != spRootProduct)
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0 X8 B% s4 w0 r7 q& C5 T( G {. B: _9 O/ Z8 A9 ^' T7 A
- n* O7 ]; N- t$ l1 Y
spProduct = ipiFatherProd->AddProduct(spRootProduct);+ k& k" a6 G, K4 h
2 A2 R% A2 Q0 a! B# x cout<<"NULL_var != spRootProduct"<<endl;
9 f z0 M4 [% \( M! W" t
/ ^2 f; r* K- P- {9 Q }
, w; h' f: J( q
; A% e/ r8 @) T7 c0 u J else
8 z$ x5 R# D4 o0 p. d0 L! i, [* S2 A* G) l+ n) h) ^4 F
{, S/ m( W6 t7 @$ V+ S4 V
" Y- m' {! u5 w! A3 P CATUnicodeString docName = iDocument-> StorageName();; h7 a5 A: Q. ?8 ]/ g* V" C
2 s/ K6 o# K! E& V
ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);
2 [6 ]' W0 c7 E+ [/ w% C$ J6 @, n7 Y+ n
}) H0 O2 g; p0 Q2 Z+ q1 W
3 I( \/ }5 R! m% t: ]7 v if (NULL_var != spProduct)
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{, y. }+ b- p4 n, B+ g" b
$ |3 X# D) ]9 h+ l3 [5 |1 p rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);
: \- ^) d8 o, i9 c. ^
' F( p# f, n/ Z: j& t if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;7 u9 {) }0 ^: M: V! b
6 w* K! r% h+ M. Q1 \5 l. U
}
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; j. e2 c A, j9 j e1 [ }
% {# o8 r {& @( |1 e ?2 ]2 E/ Q/ M+ S& |* E8 p4 h, @
}
8 b+ R. g7 e0 S* w* Z/ S; ~3 B; C" u7 k: }7 [
return rc;
@% @' F: m4 o, q: j; y w) U/ x6 g* s4 H w, W
}
2 S* Z% n5 d, y. G
* Y: l# ]/ o' ?1 I8 o1 m$ F----->刷新模型根节点9 Z/ L" o. V7 C; b1 w) n4 l9 q& q# K
/ b1 [' E3 p: z. M0 Tvoid XXXFunction::UpdateProductRoot()
/ h" Z6 k' [) Y, A3 a) q& Z) R, \* y, k& | M3 x
{4 I6 I: d5 P6 O
# a2 g$ s7 ?4 X: P- x& \ //*******************************important**************************************
9 h+ k2 ~% @9 L! @2 }+ M
8 v( y; s' q( x& `% {; c* O CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();8 `: [3 F' n5 w; C8 @$ y7 G
. B# ~7 q! Q" S7 `/ K
CATFrmWindow * pWindow = pLayout->GetCurrentWindow();" C+ B) Z, D% S' a9 c1 N* F
3 |9 |. \( d- z% F' ]3 i
CATFrmEditor * pEditor = pWindow->GetEditor();/ `& F3 W& B" p
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CATDocument * pDoc = pEditor->GetDocument(); ~) t x: I0 }
8 p2 U$ z l0 ^, y2 \ //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, c9 V4 u. b7 l
$ N, `: A9 Y3 H/ z! N# Q, b //首先,获取该当前活动文档的产品根节点 , V2 Z- [- W$ ?* b e6 d
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CATIProduct *piRootProduct = NULL; & C9 j) k9 L+ N0 l
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CATIDocRoots* piDocRootsOnDoc = NULL;9 p+ n! O8 o! Y t, W9 ]3 a- b) v
, W' N% D* A7 R$ M8 m HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);
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if (SUCCEEDED(rc))6 w3 w( o/ j) r4 z6 P! I% p. B
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{
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4 k) G3 c- \8 E: V1 w, J3 n // Retrieve the root product which is the first element of root elements( B* D J, d. j" l6 h4 e
# T% q. ^7 G8 G% W7 M! {5 X CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();
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7 k, H# c: I0 N* @1 V8 c piDocRootsOnDoc -> Release();
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5 p( V5 e6 q- v* M) G piDocRootsOnDoc = NULL;( A- M/ X4 Z3 Y% w
" \7 O% T% N7 c$ b0 X1 O: k' H CATBaseUnknown *pBaseRootProduct = NULL; 1 O' v) b/ I* E4 o7 Q
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if (pRootProducts && pRootProducts->Size())
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pBaseRootProduct = (*pRootProducts)[1]; q- k6 C- H3 j) E3 m# w2 U& p
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delete pRootProducts;9 y$ C2 B* V$ M# o+ V
9 P, g6 e) u, G# o' H" A pRootProducts = NULL;# f0 S- j7 X( W* k. _
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if (NULL == pBaseRootProduct) return;
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rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);1 }' o$ h" H& w; J
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if (FAILED(rc)) return;
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//对模型树进行刷新- @6 L9 V# f3 i2 D" j3 ~: j2 R( ]
* p* ^9 \5 z! a CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新2 G0 x1 t' S; O" q6 m3 T
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pPartRenew->Update();7 g4 F) v: C) o2 Z
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}
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}
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: c6 C4 v% h1 ]( a2 n( a else return; + H E- ^0 Z. ^# R
. r8 L0 Y4 f3 C% J9 I( x //----------------------------------------------------------------
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. j* J9 b$ O" X `, H //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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CATIModelEvents_var spEvents = piRootProduct;6 J6 S2 z/ t$ J' V
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CATModify ModifyEvent(piRootProduct);
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spEvents -> Dispatch (ModifyEvent);
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/ F+ [) H- ^/ ?. m( `+ a4 } //Update the graph view
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8 i: _1 M& l& S8 r CATIRedrawEvent_var spRedraw = piRootProduct;
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spRedraw -> Redraw(); 8 V. y+ c0 H7 \1 }& h) G" ~
' }) `4 M: E$ ~4 E8 U( k9 v# ^& g piRootProduct -> Release();
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* m3 t; Y9 C+ F- i, e+ D" I& b& q- h piRootProduct = NULL;
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