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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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+ ]- v( n4 w3 d* bCAA中对文档操作的基本步骤如下:
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8 J, {* {7 {, L2 o6 V创建会话 - creating the session
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# E' m$ T0 Z- G* c1 ]新建文档 - creating a new document' c8 i H1 H8 s; _( o) g/ q
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调用接口 - Query Interface
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获取根容器 - retrieving the root container5 F1 @# N5 u4 u& Q( _: [$ p
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保存文档 - saving the document
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h6 O% j: y" x' h7 i/ v删除文档 - removing the document
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" v& k. j4 w% d2 u" U% A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。
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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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9 Y" K" d- K" s) H$ L; a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)
) t6 w, Y* j- t. U; {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 V8 h. {- E% j( S, M
New:新建一个空文档
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NewFrom:新建自
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新建文档代码:1 w8 V: \" q2 _ y, q7 [
( p/ Q# N( I& j) NCATDocument* pDoc = NULL;0 g$ F& `' S0 \
HRESULT rc = CATDocumentServices::New("Part",pDoc);5 Z- `/ s5 @/ b
if (NULL != pDoc)
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$ O) v( H/ J5 B: Q) u: ? cout << "New document created OK" << endl << flush;' Y5 ~5 O/ R( ~
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else
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# `! T- ?% k1 F; W0 c. h- r cout << "ERROR in creating New document" << endl << flush;, o& A* w2 D5 D: y
return 2;
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: G2 F+ r6 l$ M/ o! U. | E2 文档加载(Load the document)
1 u* g0 u @1 p S: Q# k+ R文档加载即打开现有文档,主要方法包括
. |/ |) P' o. S" D) fCATIIniInteractiveSession 中Open方法:打开文档并可视化显示
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, D* V" s6 {# s C6 g" a8 j& U/ |) lCATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行3 Q2 w9 b6 F) e' A- K
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Open方法:. v h7 N: F2 D* n
CATDocument *pInstrumentDoc = NULL;. }0 g/ T: l* N6 T% G+ W4 |5 Y
3 Z+ c7 i$ C3 M9 R1 i9 }CATIIniInteractiveSession *piSession=NULL;
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( t- X' n; V6 {( n) Q/ JCATSession *pSession = NULL;
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rc = ::GetPtrSession(pSession);
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; t& H) M2 Z8 r8 e/ r- I2 S- trc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);6 i9 H6 \/ B% v: p0 @4 `
9 \! z0 r3 g8 M2 j! ?2 x vCATIEditor *piEditor=NULL;
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rc = piSession->Open(PathName,FALSE,&piEditor);3 m& ?1 L" b+ P* ]; t' z/ N2 X
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CATFrmEditor * pFrmEditor = piEditor->GetEditor();
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: r7 F1 q6 R3 A4 R3 c. C' Y, TpInstrumentDoc = pFrmEditor->GetDocument();
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......
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OpenDcument方法:# }3 k& p& D' ^8 b" {9 e
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CATDocument *pDoc = NULL;
% h; \& [4 x4 `+ [/ `7 jCATUnicodeString storageName = "XXXX"; //文档保存路径名& d( W: u \& o
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rc = CATDocumentServices::OpenDocument (storageName , pDoc);
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if (SUCCEEDED(rc) && (NULL != pDoc))
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cout << "Document opened OK" << endl << flush;! ~; x& W* z3 x2 S# j1 s, @+ @
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else
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* t" q6 P9 e3 y0 ^- m5 [. J cout << "ERROR in opening an existing document" << endl << flush;5 x+ n, {% k+ R' Q
return 2;& N, x! r8 f6 u3 A+ x6 P
}
3 ^1 |- M; r% P) N9 K0 t( w3 获取当前文档0 ^- h7 s. V' S8 j( 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,* c4 b/ ?& G" ?: P
j: i2 x+ P! B6 V. YCATFrmEditor * pEditor = GetEditor();1 T( G6 v' b# r& ~: B( e' c
if (NULL != pEditor )
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cout << "Editor got OK" << endl << flush;" q" W: m4 Q- d' Z, l& h
}
* y$ t! i- ]! _9 D6 Jelse
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cout << "ERROR in getting the current editor" << endl << flush;
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CATDocument *pDoc = pEditor->GetDocument();% V/ y1 r8 {; r( d8 B
if (NULL != pDoc)
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cout << "Document opened OK" << endl << flush;
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else
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! `7 l4 w# R& j: C$ g! l cout << "ERROR in opening an existing document" << endl << flush;
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该指针的获取还有其他方式,如通过CATILinkableObject 类获取。/ x' S; _) D! {! Y' v
4 保存文档(Save the Document)8 o2 j: ^ B6 [- Z5 `- ]
4.1 另存:即保存为新模型0 p8 c- E9 T3 W
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CATUnicodeString savePath = "XXXX"; //文档保存路径0 f; C- j4 ~; u+ ^. j) {
rc = CATDocumentServices::SaveAs (*pDoc, savePath ); `9 _5 j0 I0 A, z" `
if (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;8 `/ K! }# ?- G
}
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cout << "ERROR in saving document" << endl << flush;6 S6 u7 d+ ?& F+ F* p
return 5;
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4.2 保存:不更新保存路径* z& V7 U9 J4 W+ W4 _9 Y9 K6 y7 H
rc = CATDocumentServices::Save (*pDoc);$ Z6 t1 a% `0 [1 |. Y0 i" A: S
2 N- w6 J6 [% p) W. Uif (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;3 v5 m/ P' |1 Z% i, w
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cout << "ERROR in saving document" << endl << flush;
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* ~/ B1 k( ~/ N6 c0 ]5 删除(Remove the document)
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' e$ ?2 p) E/ S! G! c: E: E6 e- ~1 Qrc = CATDocumentServices::Remove (*pDoc);
8 O: S9 ^: \- X( xif (SUCCEEDED(rc))
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cout << "Document removed OK" << endl << flush;
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{
7 c( h- C+ x. ~/ m cout << "ERROR in removing document" << endl << flush;
- `1 r% r5 ?& j' U, l return 6;
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" A" e5 Y M! j; x/ W, _方法封装' Q s+ H3 g+ d* [4 {
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& w/ |$ u4 M8 j/ D( t
输入:! Y& k3 V: m H; e* b: o$ ^9 K( n
CATUnicodeString PathName //文档(模型)的路径
; b M4 k' T$ o% l; ]. R) a, K, k输出:
8 ^1 O) j# I' { v/ ~CATIProduct ** opiSonProd //文档(模型)的指针# ~% g+ l0 ~& w+ p
% w- M" h- Z& T/ y: y+ ]1 o9 x3 H辅助功能函数:7 i7 G6 p4 g8 F" |" E- J8 N4 k$ v0 }
获取当前模型树根节点) L4 u# [! `& K# n% e* Z0 I
模型加载后可视化6 p) o6 I. K! X" Z" \4 R, z
刷新根节点/ b+ k2 D7 M* z/ o2 L
----->打开文件
' R" t# v2 N$ G: O! j* m) p6 {CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)
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HRESULT rc=E_FAIL;
0 V! s9 E. K+ v) k1 {8 XCATBaseUnknown * pRootProduct = NULL;
9 I3 J; Q6 T2 j- P0 yCATIProduct *piRootProduct = NULL;
+ A( j) l: y! J0 [& Arc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点2 t v8 p5 d; {8 v! \2 t4 b1 H
if (SUCCEEDED(rc))7 p. ?$ K+ L# L) A) e( ~; C
{
( T* m5 V! U1 O) \8 B# n/ Hrc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);
0 P3 K6 l5 E+ B; k0 Fif (SUCCEEDED(rc)&&NULL!= piRootProduct)
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CATDocument *pInstrumentDoc = NULL;
# G! _! W; \3 [0 T$ |7 p$ S" GCATIIniInteractiveSession *piSession=NULL;" B4 z3 I* t& C3 i
CATSession *pSession = NULL;
0 I. U( w( v2 s7 _rc = ::GetPtrSession(pSession);9 ~' @# }* C9 \3 B" {6 s9 T
rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);- @( {& \( o q+ i' H: D/ I# P
CATIEditor *piEditor=NULL;6 w1 j. n4 k/ U/ X4 W
rc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;3 p2 g! T/ f% {9 X4 K
if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )
/ z3 M8 n. q Q2 |' x/ D5 m{ cout <<"The document" <<PathName<< " is opened" << endl ; }! u% h' Y, }$ E/ A
else
/ m& E5 A# Q# g$ r{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }% }, Z. Z6 {) d- p7 k+ T5 o
CATIProduct *piInstanceProd=NULL;4 u3 e8 e* M8 e/ T6 N9 N
rc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下 . A9 Z( |8 a. C z! Y( v
if ( FAILED(rc) ) return FALSE;/ X4 R* ]5 R) Z s1 k8 t- J2 r3 ?9 L
// rc = piSession->Close(piEditor);
7 T6 q( e H/ {8 y/ Z1 K* opiSonProd=piInstanceProd;
& @( O2 r6 L; X$ E4 s: JXXXFunction::UpdateProductRoot(); //更新根节点9 V6 B3 w( S. F) s/ i( ?
}
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return TRUE; c5 e, S' ~3 u; N0 U
}
$ K9 o3 ?1 ]* w L----->加载模型可视化
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HRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)
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& x/ y* E/ I! Z2 F# O6 c7 J //AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP);
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//AddExternalComponent全局函数所需的三个参数,& F8 ^$ F8 }6 O% A1 E+ e" e/ t6 z
u% V* Z* M0 a' ?; ]" F //被**的product document的root product,CATIProduct类型) z$ p" Y7 ]+ U' v4 \7 E
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//将要**的part document,CATDocument类型! w/ F8 W7 ^& d1 c3 V2 Z$ z% `
6 i3 k' j8 _% } //the product instance of the imported document% ~; A; E# c7 |! c4 }! F! Z
2 [" N4 m5 E% ]- M: C) V: h //注意要**的document也要检索它的root product8 z9 a! k6 \" e3 B
k: e4 z5 y/ \ w. M- T cout<<"添加组件执行"<<endl;. w8 P, w% v' \
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HRESULT rc = E_FAIL;
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, g# ?! g6 g; r! o. u" f$ |4 ^0 ^ if (! ipiFatherProd) return E_FAIL; $ |- M( f# b9 d7 i0 ~8 T
( a- j ~! N9 B' w! B+ q0 q if (! opiSonProd) return E_FAIL; ( e* z5 } `2 c, T2 w9 }: f
! v& O8 _9 h4 o/ o( h if ( NULL != iDocument)
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// Get RootProduct of the document to import.
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CATIDocRoots *piDocRootsOnDoc = NULL;6 g6 m0 q/ p i# x9 c1 g+ t
0 e* g; x- ^* M$ }# F k' B rc = iDocument->QueryInterface(IID_CATIDocRoots,4 E- _# i3 {: \+ f% J! ^
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(void**) &piDocRootsOnDoc);
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if ( FAILED(rc) ) return rc;
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CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();
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- e0 e3 |; Q/ O8 l8 ] CATIProduct_var spRootProduct = NULL_var;
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if (NULL != pRootProducts)
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if (pRootProducts->Size())
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spRootProduct = (*pRootProducts)[1];
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1 N( u& ?2 E9 M! i& L3 T0 s delete pRootProducts;
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% O8 n3 B, m: f n8 O pRootProducts = NULL;
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piDocRootsOnDoc->Release();3 h4 A/ q# N# U& c2 X" |; J
$ i y& Q$ j- w+ O piDocRootsOnDoc=NULL;9 c4 J+ o1 Y4 q# A9 f
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CATIProduct_var spProduct = NULL_var;8 ^1 W& j; X$ K' h9 C- p
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if (NULL_var != spRootProduct)
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spProduct = ipiFatherProd->AddProduct(spRootProduct);# G. H9 u& y6 o7 P
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cout<<"NULL_var != spRootProduct"<<endl;, _1 ]5 U% {! Y' I$ Y* x
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$ V; X% C* h* C! g else
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{0 s, A. j: D6 ]& c
, Z% H4 G$ `2 l( G0 e7 V) x' R CATUnicodeString docName = iDocument-> StorageName();
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5 T! Y6 q( C) ]& f, A' w9 N# i1 @ ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);+ i3 j! x @; w+ d* ?3 _ L7 B
" \4 |; j! m1 O: l }
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2 }0 T _5 X; _# p V+ h& \) H# ^7 s if (NULL_var != spProduct)
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. A0 q4 ?* J5 ^1 L rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);; N$ f- \! n/ f. p5 f8 j: O
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if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;
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}
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}
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/ l6 S8 ^. n% L/ Z2 }: P; R: A return rc; * }: J) [5 O" C& w' ^! T3 [- q% q
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} 2 @; [7 L% }3 M0 q. X* ]
! }: t% h6 z+ m9 l* s- D----->刷新模型根节点
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- J) h/ T& K7 v8 Vvoid XXXFunction::UpdateProductRoot()
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{ @2 b0 D# q. W' D6 m3 m
& R$ O7 x: l4 i% S {# S: Y //*******************************important**************************************
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CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();- |4 g. a' Y3 `, e: V
% b1 G% F4 R+ h3 D CATFrmWindow * pWindow = pLayout->GetCurrentWindow();
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CATFrmEditor * pEditor = pWindow->GetEditor();) o) |9 |8 g! o* o# h
% m+ U: p7 l; 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;
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CATIDocRoots* piDocRootsOnDoc = NULL;
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HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);
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if (SUCCEEDED(rc))
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S! S) z1 \' |( {0 I // Retrieve the root product which is the first element of root elements: }' _+ m; X8 F/ y$ C% H% f
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CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();3 Q' B7 d* }. ^8 K' ^' h1 F3 X0 [
7 z! I3 s: L8 r& ~ piDocRootsOnDoc -> Release();
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piDocRootsOnDoc = NULL;
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1 i% h5 t& x$ k CATBaseUnknown *pBaseRootProduct = NULL; ) _+ C% P d3 z& W% t9 f4 z% B
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if (pRootProducts && pRootProducts->Size())5 ]9 B K& R- w I
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: p9 X6 Y& A9 u7 h0 U9 i# X pBaseRootProduct = (*pRootProducts)[1];6 G1 G/ U* R; y6 D) F- T) n
, D3 v! n: D7 J+ k delete pRootProducts;+ s3 j& z" H0 i/ I
* C' q+ d& X, B pRootProducts = NULL;$ w' C8 Y8 ~8 o0 V) m0 J# p. S
! @' A$ T) k, [2 D+ z0 `. R if (NULL == pBaseRootProduct) return;
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3 n7 R/ C" w( N% B, N rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);
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if (FAILED(rc)) return;
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//对模型树进行刷新+ K* @# t e% b
; q& |8 N7 N: m# r CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新
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pPartRenew->Update();$ L0 u# m1 c0 b# H, A# K. {( R8 p
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}
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else return;
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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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CATIModelEvents_var spEvents = piRootProduct;
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+ r1 x" B) p2 d- H$ n* P2 d CATModify ModifyEvent(piRootProduct);
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4 x" L+ M( M7 P! ^ spEvents -> Dispatch (ModifyEvent);
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//Update the graph view
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% m% Q" D$ ?6 e R CATIRedrawEvent_var spRedraw = piRootProduct;
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spRedraw -> Redraw();
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piRootProduct -> Release();7 a5 K g4 o1 m# U, W D
! u5 C5 d1 b X+ q piRootProduct = NULL;& }% u1 }) x" a. b
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}
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