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CAA开发之文档操作
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6 g4 D* L1 u5 ~, gCAA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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# o( W3 j9 K+ E/ Y3 p4 ~CAA中对文档操作的基本步骤如下:
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) {: n" W% ^+ r- r, c) x2 M创建会话 - creating the session6 a3 S% \* Y1 i( X1 K" }
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新建文档 - creating a new document
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调用接口 - Query Interface
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获取根容器 - retrieving the root container& c$ k9 P+ l; C% ^8 ?/ c
+ n/ ^4 y5 O- P/ p: Z: N保存文档 - saving the document0 }2 o. x7 r6 g: N
S4 k( Y+ l+ k, I) l5 O6 q+ M删除文档 - removing the document
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删除会话 - deleting the session # c: Z% n) w: g3 a1 x: t& T) M; P5 C
$ u6 f3 l3 k5 q+ }' g5 f9 U* 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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5 r) p) z) q' l) {$ ~6 W3 B' N% n9 ^6 \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。9 A8 p7 p0 }" p5 |. U
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下文将对各步骤进行补充说明。0 q! k. o' a7 a; V3 @. F& K k1 {2 g
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1 文档创建(Create the new document)( ]0 u; j% I8 |: v' ]' X1 E
文档的创建通常有以下几种方式。可比较CATIA中文件菜单项3 t& S, }6 d" k
New:新建一个空文档2 }# x% ?' q+ F% y6 R: e% i9 _8 o
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NewFrom:新建自4 |" S2 D. H) [3 p; Z4 A
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新建文档代码:
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CATDocument* pDoc = NULL;3 K9 C/ [& E+ R3 w6 ]
HRESULT rc = CATDocumentServices::New("Part",pDoc);
; l4 }* Y' W% B$ C8 R( ^if (NULL != pDoc)
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8 h9 y, E4 X* G cout << "New document created OK" << endl << flush;
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else
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cout << "ERROR in creating New document" << endl << flush;
& q0 X. z& J# G0 [. k: q2 j- q return 2;
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, g! r8 c% X7 J2 [2 文档加载(Load the document)
$ c) a, W5 f @! V% b, ~文档加载即打开现有文档,主要方法包括' u& z, E" G! r! V9 h
CATIIniInteractiveSession 中Open方法:打开文档并可视化显示
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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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- F! y4 [, t8 ^# C$ G9 f R3 oOpen方法:, {1 ~, l! H0 M- C4 _; r9 Q. j
CATDocument *pInstrumentDoc = NULL;
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q& p" ?4 f/ j+ ZCATIIniInteractiveSession *piSession=NULL;
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CATSession *pSession = NULL; D9 u& h U$ K+ n5 G# f0 u
7 t" K ^1 ~, A# \; Vrc = ::GetPtrSession(pSession);
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2 u0 t/ V: b6 |+ L5 N: o4 Vrc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);* `/ a' W1 c$ g, ^
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CATIEditor *piEditor=NULL;
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- ^4 Y- z1 s/ ]7 v z4 O; Hrc = piSession->Open(PathName,FALSE,&piEditor);
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. w2 P2 Z' d# J7 V2 iCATFrmEditor * pFrmEditor = piEditor->GetEditor();
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pInstrumentDoc = pFrmEditor->GetDocument(); ! T( P- [' }9 O: K) R' J
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OpenDcument方法:
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2 B- f& e0 m( dCATDocument *pDoc = NULL;$ W; i1 c7 e/ @1 u) T0 e
CATUnicodeString storageName = "XXXX"; //文档保存路径名! k# D; m. i5 M6 O/ _! e- }$ A
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rc = CATDocumentServices::OpenDocument (storageName , pDoc);
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if (SUCCEEDED(rc) && (NULL != pDoc))
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* V2 ?6 A" D' m cout << "Document opened OK" << endl << flush;
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' p+ @3 b/ R4 q( `% R" Uelse
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cout << "ERROR in opening an existing document" << endl << flush;; e `, Y6 r4 y, r9 [: n1 i+ b
return 2;
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4 J/ b: E5 N; g! u3 获取当前文档
' G, Y7 [' L) {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,/ f* \2 q/ d9 A, j+ c* Z% d) b
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CATFrmEditor * pEditor = GetEditor();; N6 f0 B. a2 K7 U" F! K% E
if (NULL != pEditor )
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cout << "Editor got OK" << endl << flush;2 f# v; h' V, ?4 B1 c7 Y2 w; G0 C5 o
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else
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3 ]$ D4 w. ?0 A" v; Y0 E: c z cout << "ERROR in getting the current editor" << endl << flush;, R* G: p2 k3 m3 t0 o
return 1;7 R& T4 i6 n1 b# ]
}
3 w4 k+ z3 g, L/ j$ tCATDocument *pDoc = pEditor->GetDocument();
3 T r8 ]6 r- s7 ~( bif (NULL != pDoc)
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( ~& [" Y& D, s, L/ V. N, ^0 |- v cout << "Document opened OK" << endl << flush;
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else
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3 j4 S* l% I+ `0 I7 { cout << "ERROR in opening an existing document" << endl << flush;6 Z5 R% @$ H' o+ [3 D: q
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。, Q! g) X! c3 f( |: l
4 保存文档(Save the Document)
l/ c6 Q$ {3 r a" E; v4 d4.1 另存:即保存为新模型
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8 s' T; }0 \) f8 {6 aCATUnicodeString savePath = "XXXX"; //文档保存路径+ j# Q& W2 i4 i9 x
rc = CATDocumentServices::SaveAs (*pDoc, savePath );/ H6 d; U6 I" Z' n/ S T
if (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;* U* B7 {; Q- t `+ {- g: v
}
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cout << "ERROR in saving document" << endl << flush;
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) k. P4 h/ d3 s2 C& h( q4.2 保存:不更新保存路径
& T7 P( l9 l* e4 Drc = CATDocumentServices::Save (*pDoc);
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! ]+ A& D7 }$ _% xif (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;& ^/ I- A `" S, }7 |
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else% v0 y! `9 d6 Q9 r) B# g% B
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cout << "ERROR in saving document" << endl << flush;
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5 ~2 Q: p+ S, e! O, U+ ^5 删除(Remove the document). l" W! [ ^' v
" K8 q: y, d4 ]4 S% i/ S# [rc = CATDocumentServices::Remove (*pDoc);
7 M {8 [$ g# p4 g! k) Cif (SUCCEEDED(rc))
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/ x4 k; B4 L1 ?) s# i cout << "Document removed OK" << endl << flush; ?" J) _5 e4 N5 i. y8 ?
}
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cout << "ERROR in removing document" << endl << flush;" T0 u6 t' L9 J$ D7 ~
return 6;
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方法封装 \( ?; v8 v& ^, B' {' 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. V1 p4 D) | |4 k/ z
输入:
1 j4 C* K% }2 U. X0 T2 T9 iCATUnicodeString PathName //文档(模型)的路径+ a+ W8 f% o) {3 l1 N9 Q; s4 c
输出:
: A- {) z- u! ?6 b. L, |* tCATIProduct ** opiSonProd //文档(模型)的指针2 g* D1 F; ~# [" a) g% U+ A0 i+ w- |' j
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辅助功能函数:
+ o$ ?5 R& y+ m. u- f获取当前模型树根节点
8 Y/ Q! z0 r& I: v! Z模型加载后可视化) y6 V: K; |- T4 J$ g
刷新根节点) s W$ P; A& m& p1 r0 C w" `- O( K2 Z
----->打开文件4 Z$ S' Y- _2 H: J
CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)
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/ h; d5 `% N1 @8 S) j: XHRESULT rc=E_FAIL; O9 b% ~2 h& C3 S S! D
CATBaseUnknown * pRootProduct = NULL;
( _, T5 ~* }, D2 V0 f2 s' {- [$ P" wCATIProduct *piRootProduct = NULL;
. G1 _$ x8 u" S' N z) [rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点
( p9 O& I f: i2 W! D: T( Fif (SUCCEEDED(rc))# C# U# s$ {# m' r8 {) B: A L, r- \
{
/ c+ [5 _9 Q; g: f8 Nrc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);; c: B% N1 C/ _0 w
if (SUCCEEDED(rc)&&NULL!= piRootProduct)
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CATDocument *pInstrumentDoc = NULL;6 R3 w. X+ n% K
CATIIniInteractiveSession *piSession=NULL;: w W* j- e. N) u! u+ i
CATSession *pSession = NULL;
9 n/ J! `% V; _' P2 M& d! B( \rc = ::GetPtrSession(pSession);1 |7 M, k# q1 l' Z, C
rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);1 {% a% |! I$ L {( t
CATIEditor *piEditor=NULL;
& m- c( {% f' M h$ d5 [! \rc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;
. t4 G- Q& H4 s( c& kif ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )
. A: m& Y% L. U# T0 j4 I- @{ cout <<"The document" <<PathName<< " is opened" << endl ; }
# t5 v. h# y# w2 uelse
$ k, M( D* j7 [+ V{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }
' b$ o! T! _9 B( l; vCATIProduct *piInstanceProd=NULL;0 G, k1 C3 y' ]9 d4 g$ H: [2 O
rc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下
$ r) _& e4 A/ q( g! Q* pif ( FAILED(rc) ) return FALSE;' `& s# ~7 B2 i% m" u
// rc = piSession->Close(piEditor);
+ t. I% E& w7 M5 \* opiSonProd=piInstanceProd;* S& Y4 g7 S& u ?) Y" o' ]
XXXFunction::UpdateProductRoot(); //更新根节点- \3 k0 c! {: m3 N
}
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0 x# E1 }! {4 m! H4 }/ G3 k: Oreturn TRUE;, E, m) _. z6 B. c# V
}
: e8 R! @0 d$ \" d* F----->加载模型可视化
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9 D! Z e' U1 W* s+ x( S5 S! HHRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)
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{
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$ y6 E" y5 N+ L0 }! l //AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP); $ k0 n2 z0 m! Z9 B0 N
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//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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9 X& x4 {0 ]4 q9 c4 k/ E //将要**的part document,CATDocument类型' U; t( p' o. q
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//the product instance of the imported document
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% B' q8 H3 z, Y3 A' S* [' r: d //注意要**的document也要检索它的root product
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T2 T2 i, G! x8 { cout<<"添加组件执行"<<endl;4 ~& v% y5 M% i7 X8 x9 x+ w( F
( R/ v1 A5 y, y% c9 O+ u# X HRESULT rc = E_FAIL;( |: S; Z3 E) M& D6 q" A1 K6 ?
6 x( ]3 O* h! H if (! ipiFatherProd) return E_FAIL; ) f9 A- X u; g2 V1 d
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if (! opiSonProd) return E_FAIL;
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' j/ H% d9 E* y6 i6 e if ( NULL != iDocument)+ k5 i [3 Z; j* k1 N1 j
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{
* k$ n6 p4 b: B/ w) {) j/ ~0 {
, Z' | C4 S5 ] // Get RootProduct of the document to import.
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CATIDocRoots *piDocRootsOnDoc = NULL;
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rc = iDocument->QueryInterface(IID_CATIDocRoots,
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" O3 r- n- P9 t4 x3 p9 b (void**) &piDocRootsOnDoc);( }: q, ?; {( R0 l+ q0 b
( |; Z p% ?' S; R, w$ O if ( FAILED(rc) ) return rc;
" f0 [& ]+ Y+ U1 w" y) P9 R3 e
. \4 P, S2 l. E0 t+ J" _7 N/ W CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();2 [) F( C! t* _3 D, K. B
5 s( P0 u5 F! \/ {$ S/ U) z; p CATIProduct_var spRootProduct = NULL_var;
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if (NULL != pRootProducts)4 v9 \7 t3 u w" B3 b
) L* M' g( a) ` { {1 t) y4 z$ }, c; y# \
. H* O0 k* u2 _# j/ v, l) e if (pRootProducts->Size())
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. H' H3 Q p- t& Y' _; C spRootProduct = (*pRootProducts)[1];
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delete pRootProducts;
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pRootProducts = NULL;
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piDocRootsOnDoc->Release();
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piDocRootsOnDoc=NULL;
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% F0 b4 T" I% O' k/ G CATIProduct_var spProduct = NULL_var;
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if (NULL_var != spRootProduct)/ n- \7 k5 A3 f/ A' Q6 d
( S2 C$ T/ T/ A5 U {
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S6 F* j3 ` w9 p& U1 \. E( } spProduct = ipiFatherProd->AddProduct(spRootProduct);
: y/ v# X% e) Z8 a9 }/ X& q P3 L4 s8 m0 `
cout<<"NULL_var != spRootProduct"<<endl;
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else4 u( ], X$ |6 [8 n* g
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CATUnicodeString docName = iDocument-> StorageName();2 }* M, ?. N! R
8 Q' A+ g% Q( ]7 \2 E ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);
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; b$ T4 E+ T9 ]6 ?& e }
; R9 u) ^- o% a; U# y$ s
1 n2 Z4 B6 v5 Q k if (NULL_var != spProduct)6 \9 N7 B% W; ?! K% V5 M% z! j
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rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);, [; Y! X- \6 v2 j4 b
0 o* W9 z; C* ~' ~ z% D8 ?/ R/ u; l( Q if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;
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}- a& D+ f8 n. ]; ~( P
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return rc;
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----->刷新模型根节点" m# u( m( a+ D
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void XXXFunction::UpdateProductRoot()" |* W/ L; [- w8 p
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/ s' j/ w, P' c7 W/ c# N& O
9 Q- T0 W6 R9 ~' U4 m. o$ i$ | //*******************************important**************************************, w! P* [# K$ l! M
2 e- s% c4 c: a/ X, r8 M CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();, A+ B# t9 o* o4 Y' l+ G
0 u6 `+ z( F2 {6 l( ]9 G2 D+ e CATFrmWindow * pWindow = pLayout->GetCurrentWindow();
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9 z' Y) p( ~9 _4 W) W B CATFrmEditor * pEditor = pWindow->GetEditor();
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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, G! ~& A6 u6 _
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//首先,获取该当前活动文档的产品根节点 ' F# c7 Z- _* ]$ A7 e
, y2 q) n7 J- H. s" ?% a2 U0 B9 O* q CATIProduct *piRootProduct = NULL;
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. x" ~# [+ i9 x% _ CATIDocRoots* piDocRootsOnDoc = NULL;7 k- }$ p" l' p6 U3 |9 C
b: K8 I! r9 E HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);% q1 b' s' p+ n- Y5 ?
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if (SUCCEEDED(rc))$ r" G7 H) X- D0 O
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// Retrieve the root product which is the first element of root elements) n! x! ~7 ` \
: r- }, r9 z' P; a CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();' Z% j6 L9 ~# r0 p7 _3 ?
7 f7 @: L! Y2 B- F3 V piDocRootsOnDoc -> Release();' h, t& M; q' ?; E8 i
# i7 ~1 |; X! m- V" m+ L2 c; J9 t piDocRootsOnDoc = NULL;6 P! L5 p3 r- G( n
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CATBaseUnknown *pBaseRootProduct = NULL; 7 I! ]' L% ]* X9 H2 W8 q& }( Z1 m) q
$ L/ B1 [$ i. Y' B if (pRootProducts && pRootProducts->Size())( D e* |9 b! E1 q
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{
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# o9 u, G. b; V, p pBaseRootProduct = (*pRootProducts)[1];
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delete pRootProducts;' _8 B) M# B% Q6 i' j0 r
" F+ a7 U' `7 P" A( o pRootProducts = NULL;
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: x2 x7 Z6 \) {4 ~( M if (NULL == pBaseRootProduct) return;* I8 c# n; y' O" X1 d9 J
0 _& j: c: Y, ?* d rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);
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" n+ x& Y( s' j; f- }; U1 C: G if (FAILED(rc)) return;! m H k% X; G- p; a
4 F" d$ V2 t$ ], h! J. \5 B //对模型树进行刷新
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! g% z2 G* f& s9 k9 {4 y CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新! O) P9 d# k6 Q! t, O& D% I# Z
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pPartRenew->Update();
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}
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2 D1 ~: I- N6 C! F- S- p( Q0 Q else return; ; }# Q9 ~. y9 R/ J$ E$ ]- w
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//----------------------------------------------------------------
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0 \9 \3 Q4 x5 P5 o- b) 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。' \& L" T+ F7 j* T2 S, Y
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CATIModelEvents_var spEvents = piRootProduct;+ y' L$ H& a2 E
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CATModify ModifyEvent(piRootProduct);
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spEvents -> Dispatch (ModifyEvent);
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+ v2 _- n& l; s) X1 y8 K4 L ] //Update the graph view: l7 f+ }' e' N
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CATIRedrawEvent_var spRedraw = piRootProduct;
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) N) [4 l: {% @5 _' k spRedraw -> Redraw();
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* o, [( J1 J( d. {% Z$ @2 ^; d piRootProduct -> Release();! U* q9 d3 G" C c7 W, X. D
( A6 G4 O2 \2 X7 ]8 b; q/ b piRootProduct = NULL;- U8 ~9 m, d7 @/ p, K% ~
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}
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