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CAA开发之文档操作3 V$ i' E; q' v$ g2 p
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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。+ ^% Z& \ M4 d) y
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CAA中对文档操作的基本步骤如下:
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6 j8 @5 y1 |! s) O2 q创建会话 - creating the session
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新建文档 - creating a new document
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) l6 Q# R% E3 F# R调用接口 - Query Interface( W4 B# \: t/ T2 k2 E
* k/ O% l# n* h7 w% r2 ~7 G, p获取根容器 - retrieving the root container+ u7 a* w$ J7 C1 p) L
7 e5 Q! B8 P3 `7 K# G) w
保存文档 - saving the document) Z, ~4 B% C8 `7 `
+ k, W( k& C8 I% X9 L删除文档 - removing the document
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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。" U4 N$ z* i- i4 x- d$ t; m
" L/ Y1 A: N0 X# B# E/ H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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下文将对各步骤进行补充说明。# K% z# n. h2 M# ?0 @6 c" f1 J
; C6 g/ l* {6 k" e1 文档创建(Create the new document)- b# J! G, f+ {5 D9 K3 M3 A
文档的创建通常有以下几种方式。可比较CATIA中文件菜单项
( m4 v/ b% k; t3 T- Q( ]; _; m6 iNew:新建一个空文档
8 a/ u( W+ u( y" D# y4 U) ~" V; J/ g
NewFrom:新建自
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新建文档代码:2 ]$ k7 ]* K) q8 I
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CATDocument* pDoc = NULL;
6 C+ s" B6 Y3 j6 n0 W4 m0 Q Z6 _HRESULT rc = CATDocumentServices::New("Part",pDoc);5 t% M) B- v \0 S% Z0 a4 \* b' j
if (NULL != pDoc)" M, g$ E: |4 P T' b
{8 ]; d( U9 A' a& U' F2 p" i+ \# V
cout << "New document created OK" << endl << flush;4 u& o/ |3 k% S6 j( S
}
9 B7 X' K. M1 {$ U1 pelse, }7 d+ J; B; g, s9 Z# W
{8 w8 Z- i: M4 i2 C. G
cout << "ERROR in creating New document" << endl << flush;
$ x1 x! W3 a' o% x, C. g: O) @ return 2;7 W7 A6 W/ |* W7 ]
}; A0 g1 V3 m8 S2 n
( v7 }& m% d3 [
2 文档加载(Load the document)
- U5 L6 I, f6 Y8 k: O3 m文档加载即打开现有文档,主要方法包括
. W* P' I1 U9 C9 ZCATIIniInteractiveSession 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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% l ^& v5 w& C) NOpen方法:
7 T0 J$ l3 c: D# K4 JCATDocument *pInstrumentDoc = NULL;" |! s# ~6 `3 h, v) ?
3 g% O A: `! `6 Z. V/ o& f$ ZCATIIniInteractiveSession *piSession=NULL;
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+ B Q" g% T; U8 a8 ?+ `& dCATSession *pSession = NULL;
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rc = ::GetPtrSession(pSession);. P9 o9 L6 K1 f5 V: Q7 W" k
2 I# k) [- N/ Q3 ?) xrc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
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CATIEditor *piEditor=NULL;
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9 X) B5 l' y8 W/ s) _6 Z* N2 Nrc = piSession->Open(PathName,FALSE,&piEditor);
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CATFrmEditor * pFrmEditor = piEditor->GetEditor();
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pInstrumentDoc = pFrmEditor->GetDocument(); - o0 ]1 L Z# M7 R
( e; r6 Y5 a/ [ ......2 O& D X: U8 @2 ]7 v
( X! v7 f- o) S+ E1 c7 ZOpenDcument方法:
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CATDocument *pDoc = NULL;
" H" Z- x# Z7 R8 D/ g7 F! Y+ y, qCATUnicodeString storageName = "XXXX"; //文档保存路径名1 z# _3 g* _# E6 D( S- L# f% t
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rc = CATDocumentServices::OpenDocument (storageName , pDoc);& S, W. W: w* b3 _9 A3 {; V
* d& n7 Z3 {* M; A& o8 C% T- F6 sif (SUCCEEDED(rc) && (NULL != pDoc))
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% K8 Y: L$ o% _* d) x" u cout << "Document opened OK" << endl << flush;( s8 t/ |* n' I% J
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else- c$ n. P8 G% c& K5 P
{
! p# D1 Z* i( I" ~) N: q cout << "ERROR in opening an existing document" << endl << flush;1 A4 O; j) n; [ k* N0 {, p
return 2;- F! o( m! ~( }0 g5 N6 q
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3 获取当前文档+ O4 |* z- w$ M% y1 e
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();
# W! j$ a# \2 K. k' K" Z: iif (NULL != pEditor )+ p& e, z2 W% u/ L0 Y# q
{
# D; M4 O- _' h5 D3 k cout << "Editor got OK" << endl << flush;
! k! D! L P5 X# r4 c3 t}
7 u! m0 }: q1 M9 Delse
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5 x& A, J" k+ E1 u! L9 J/ D5 @ cout << "ERROR in getting the current editor" << endl << flush;
7 p' m& v) O% G' ?2 Y return 1;0 |: k" H6 c' Q6 {. M
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CATDocument *pDoc = pEditor->GetDocument();0 ?9 i% m4 @+ k8 @
if (NULL != pDoc)8 K* X, x, _# |7 q- @0 w" d
{
, a5 T9 {; y2 R$ J& n6 k5 @ @+ O. V cout << "Document opened OK" << endl << flush;$ e8 [7 u: ~' W/ r$ E
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else) K; n5 [& Q8 J0 x0 K- N
{
, j2 X1 t) O, k' F- a cout << "ERROR in opening an existing document" << endl << flush;
( ^5 o" W* i" @. i return 2;4 g4 d8 b4 U' p7 N) b
}
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该指针的获取还有其他方式,如通过CATILinkableObject 类获取。
# ?& Z9 x8 C& q7 Z- d4 保存文档(Save the Document)
* H; n6 Z& t% c9 h$ I! b4.1 另存:即保存为新模型
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2 ^1 g0 N) r1 i2 F# H5 M2 `8 TCATUnicodeString savePath = "XXXX"; //文档保存路径
8 r9 C; X$ Z3 s& T9 [ Rrc = CATDocumentServices::SaveAs (*pDoc, savePath );
. c/ e0 j( g! y9 k" Oif (SUCCEEDED(rc))
4 P( P7 W5 |' W2 }, v d9 |! P{: U$ t; Z5 M1 B& H/ v
cout << "Document saved OK" << endl << flush;
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9 @3 C* w# V u6 \$ S1 v1 Telse
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cout << "ERROR in saving document" << endl << flush;
3 W8 O* @1 x( x& z) s return 5;7 O7 E4 `! n7 t# F# Z0 @4 c
}
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4.2 保存:不更新保存路径
+ l& Y+ B% ^$ p! E* R7 urc = CATDocumentServices::Save (*pDoc);
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if (SUCCEEDED(rc))
3 V* H& |* l& b. z6 r5 O4 l{
5 i8 t7 M- T4 S8 F: u cout << "Document saved OK" << endl << flush;* }& ~: Q% |/ f
}
* i0 x. r, M3 [2 Y- K" gelse
8 m0 R+ ]! @; G' _5 n! H3 w) _" y. |{
* k1 U( B$ q% W" W8 y3 J cout << "ERROR in saving document" << endl << flush; q0 H V1 D& |5 z: `
return 3;8 ?; ^, J* R( F6 u. y
}
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5 删除(Remove the document)7 l) A" w5 [4 n0 {8 [, w+ r) i
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rc = CATDocumentServices::Remove (*pDoc);" i/ P6 s0 o0 }
if (SUCCEEDED(rc))
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cout << "Document removed OK" << endl << flush;2 t4 G' `. d8 [# Z
}# y: S, l- M; d' ^
else$ q7 X" k5 I/ `6 T* i' M
{6 w& K. c9 e3 h
cout << "ERROR in removing document" << endl << flush;- `; o0 X0 c. ?* c/ P/ N$ O
return 6;
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方法封装' ?' o) `0 e; Y. `+ k8 Z
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5 e/ ~# Z% s; y- N# X
输入:
2 ~" W: `8 n2 A# G7 j2 gCATUnicodeString PathName //文档(模型)的路径" q7 Z7 E. I2 D
输出:8 [# v* {, K0 z! F4 A7 G7 n# h& V
CATIProduct ** opiSonProd //文档(模型)的指针
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3 V* V, h v: N. P: @5 d辅助功能函数:
' w: ]8 {0 A) Z6 p( N3 G获取当前模型树根节点# }- M# D5 B/ W1 F( X, ]& w) \
模型加载后可视化% L4 O' g) E. Q! {5 B' U/ i
刷新根节点5 D( t, ]( i2 I1 o" u
----->打开文件
M. q% y% j2 K& b; w& @CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)
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! i7 F9 K. P6 b0 k3 L; w) ^0 ]9 ?HRESULT rc=E_FAIL;1 _2 j3 n) q' B0 z0 l5 m
CATBaseUnknown * pRootProduct = NULL;
2 t1 |$ a$ ]7 N6 p+ VCATIProduct *piRootProduct = NULL;
( J# J8 l' f7 Z8 ?8 C5 orc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点
/ u4 _' q M# lif (SUCCEEDED(rc))
; ?# {7 q) A; w, U7 c{ M3 v/ S G8 [! s8 f
rc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);
) n" D$ ^2 [9 V0 ~# E; W2 j0 aif (SUCCEEDED(rc)&&NULL!= piRootProduct)
# ?, X* q- A% x8 W2 V{
! G. Z1 j2 Y; A1 |8 wCATDocument *pInstrumentDoc = NULL;
- ?" g0 f# U- V3 A. p0 r1 `' z2 hCATIIniInteractiveSession *piSession=NULL;% Y* r5 @) V( d7 l' I" q; z! W* P8 y
CATSession *pSession = NULL;
' l* J9 R2 d9 }1 R" Erc = ::GetPtrSession(pSession);9 F" |4 `3 K* L! c' U4 c: Z, K
rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
9 V+ k9 H" t: nCATIEditor *piEditor=NULL;& F9 n2 Q7 @7 E$ X% ]
rc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;: c! o! F5 j- ^2 u3 @
if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )
: m$ b: E( p& @( Z{ cout <<"The document" <<PathName<< " is opened" << endl ; }7 \; `0 J# q! W. \- o
else
; t4 v3 x6 q& R5 N/ \6 \- [{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }8 B7 S8 T& A( Y3 L; r! C5 l4 F+ q
CATIProduct *piInstanceProd=NULL;" }' K$ f |- ^+ J" K$ Z
rc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下
+ L. [8 E1 `+ |' h- cif ( FAILED(rc) ) return FALSE;
1 L* `$ ?0 h2 g) `0 k C8 n// rc = piSession->Close(piEditor);
H/ {6 h' Q, s9 h* T. R* opiSonProd=piInstanceProd;/ ` J. j: m# @ W& _: H* s7 s/ e
XXXFunction::UpdateProductRoot(); //更新根节点
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return TRUE;1 l% |$ m& k+ j/ x; t
}1 Z; l8 Q" P$ x+ T# }
----->加载模型可视化
" D% [, H8 y! P1 p" L" q! `! P& s
" `/ Y& B4 [: IHRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)
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//AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP);
+ v) L/ y) Q; `: z$ k" h/ d% X6 P2 J; w: ?/ G7 d( X
//AddExternalComponent全局函数所需的三个参数,
5 d5 O4 b9 C2 G' x
* R( @( V2 f* g1 Z% f$ c) f //被**的product document的root product,CATIProduct类型
4 s- w% O- }/ N- v/ c
4 o6 X( b& {, y4 D! K //将要**的part document,CATDocument类型
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//the product instance of the imported document7 U, I8 H4 p& T; T
$ F4 L' _' \; S4 m* |6 S //注意要**的document也要检索它的root product
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7 d0 u% g$ L7 \6 ]* y$ G1 e4 Y cout<<"添加组件执行"<<endl;
& Y- O9 m* @& Q4 |) W, H$ q- g- ^7 e5 }
HRESULT rc = E_FAIL;8 I# n+ f x" g" k
+ Z+ P9 J6 r5 O! Q
if (! ipiFatherProd) return E_FAIL;
1 E3 ]& R% V- T7 c2 v H# G% Y: N4 z/ e* }, {/ p9 Z1 h
if (! opiSonProd) return E_FAIL;
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if ( NULL != iDocument)
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{6 {6 W; h; O. U ~& \ {6 F/ Y9 R* [
9 Y% [: Q* a$ {* t5 Y: t; H4 T& N // Get RootProduct of the document to import.: z& u# Q1 n) Q% `
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CATIDocRoots *piDocRootsOnDoc = NULL;0 z, G- M9 [6 D/ x5 a
u2 a1 [9 q7 K q0 |7 K3 j* \$ T" C rc = iDocument->QueryInterface(IID_CATIDocRoots,
2 {# k% M6 m( A P L/ m- m& n" C9 r O, c7 C y
(void**) &piDocRootsOnDoc);6 C/ {$ x% ~5 G% A( B
# T9 w" Z( ~. c5 O" `6 S# I if ( FAILED(rc) ) return rc;. C$ I) P) w5 {0 m1 }7 L$ s' u) B
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CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();
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CATIProduct_var spRootProduct = NULL_var;
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if (NULL != pRootProducts)
; J U* @. X# Q% I; M" O, J) p
: y- V& s7 n O: C2 s4 H {
6 O/ r% S t# e; U# A6 b
6 E5 F3 ^/ d! x0 [ if (pRootProducts->Size())
/ [: O d% p$ b
. X% l' A& e9 L. {6 P {
7 [! N# F9 ~! B# e+ d
( L6 p' n' h* v6 L spRootProduct = (*pRootProducts)[1];$ w- t- }- r( }8 g( e2 O
/ C y$ q7 \* F4 ?, e: S
delete pRootProducts;
$ o) M9 p$ X1 y
( d( \4 ^- `( G: e7 b" ]$ P pRootProducts = NULL;
- ~5 r( A. Y: \7 E. r7 f# q! Y8 F- G' k' M
}
: a/ C3 L% [% [3 X2 K& |% h9 }( {, Y; P! n% `
piDocRootsOnDoc->Release();7 o+ y1 h5 ?0 `
- l) z& t$ Q# m3 a% W piDocRootsOnDoc=NULL;
# I1 X; G& o2 e9 ]8 J- K9 N9 y
6 V* f1 e" ~7 z( D1 V+ T9 T CATIProduct_var spProduct = NULL_var;
$ h) A4 j5 m8 c6 R4 e2 t
$ V2 p& Z- X0 b1 ~' w if (NULL_var != spRootProduct)
7 H. N) Q% |6 H4 y$ J5 y+ V) n! f r9 C$ ~. N- ?9 E' E6 r
{, Y" U0 n4 V1 m' m/ L* k& y7 m" g
7 N! T2 H5 }: b" O; }' {0 D% M
spProduct = ipiFatherProd->AddProduct(spRootProduct);. G! |4 d6 t9 a0 D' h7 C
7 V" b) L" j' l cout<<"NULL_var != spRootProduct"<<endl;1 |& I+ @, |4 j* D: q+ ]) c# _7 K" V
0 J& G3 w9 r7 G @. x6 p9 I* d" w) Q
}
4 X; i6 y% @" z
" r8 D$ r' e3 s: x5 j5 a else! C9 C+ M6 ?( J! _* e" l8 Q
5 P$ J6 z" [7 v% C/ }% ^
{' T; C. N; a# M8 Z0 i
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CATUnicodeString docName = iDocument-> StorageName();4 F: }" S( \1 K) \
" F- z- V3 a4 E+ } ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);
3 o: s& V- P" X* f6 N" ]2 p
6 U# k8 C# R( U+ N/ o9 K }
/ t+ A5 A+ B, a1 H+ o9 _4 a9 M4 P% q4 U. J
if (NULL_var != spProduct)6 ~) t9 q. n, ~ {6 {) d' v7 V
, A* Y6 Z6 N/ ^% d
{
, @1 e2 }! L2 ^ v2 j) p& B: f8 a& D( f* P2 _' Q& G
rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);
, A& l. U- g: e% q6 v' X5 l
6 \/ }1 g# U7 u$ f" S" t if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;
8 N% R z f% b6 ^+ H+ l! r1 h' M' A
}( R% }2 ]4 u0 A0 K. M, O8 k3 ~
( H' q! B- j% M3 W" S* d5 b } 5 C/ F# q [+ L' D: H8 `
, F; M0 b% }( H4 U4 ~0 G }' ^ |& S1 e# k# b4 h* W& H& i
7 `2 h* G8 O" L; o4 A9 ^% y return rc; ! b3 s b( Z6 s* ]- D' J
+ T3 Z/ J( G6 L5 M0 L* q1 i
} 6 s0 T+ c; L: c' `% i6 J' b
2 T/ V. b ~( n3 k9 I) M+ t----->刷新模型根节点3 a: A ]* X! D
4 Q4 o8 X" U1 hvoid XXXFunction::UpdateProductRoot()3 `% t% E: C5 J& y- M" a
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{. ~+ ]& \) g% X: X) r$ ^9 k
$ r( j) k+ C5 `6 L* N
//*******************************important**************************************
( g: B. c% {1 z5 ?3 `6 Q7 S6 v. n
CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();
5 w- B, z' I9 ]# H
8 A) k$ K- ^& D CATFrmWindow * pWindow = pLayout->GetCurrentWindow();/ G% v. T* w: ?7 ^' m+ E4 \1 F0 W% [
" v O v( u* z- j CATFrmEditor * pEditor = pWindow->GetEditor();
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2 J @; F! ?, x7 t CATDocument * pDoc = pEditor->GetDocument();
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5 k4 V9 O& D3 y; 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
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//首先,获取该当前活动文档的产品根节点 % v _. }& X7 ~( L. @6 k
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CATIProduct *piRootProduct = NULL; + u% \5 f! i8 S2 |! ^8 {
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CATIDocRoots* piDocRootsOnDoc = NULL;
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2 U" e' M+ b; ~( ^4 G, E HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);3 x( y. W0 e! g
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if (SUCCEEDED(rc))3 ?6 w3 k3 _( x: E4 W$ g; [
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// Retrieve the root product which is the first element of root elements
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CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();0 ?2 A8 w' r% |1 `4 i b
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piDocRootsOnDoc -> Release();. A0 H* V- G- i- j
/ g; l& D, N o* I5 J6 H5 O piDocRootsOnDoc = NULL;* X- C4 i2 c0 ^* B# c
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CATBaseUnknown *pBaseRootProduct = NULL; ; G0 t0 z4 Y7 Z% u; Q2 N
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if (pRootProducts && pRootProducts->Size())
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{
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; ?) d K2 U9 L! X# D0 b pBaseRootProduct = (*pRootProducts)[1];
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delete pRootProducts;: M3 q# K' `, ?% p; d) `$ j- L4 o
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pRootProducts = NULL;. ^: P9 F. ~ \) ?
& k, r! p7 Q4 m! _; N if (NULL == pBaseRootProduct) return;
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: f( b) h! h q: J3 h rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);
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8 [7 o: W+ [ ` if (FAILED(rc)) return;( C: L3 O! ?: Y" ~
! G, d4 Y; H; I8 H# m //对模型树进行刷新8 O7 q- U. P" c8 R, ~* A
( X4 z" Q. G5 q! e( Z4 b CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新4 C, Y' Y/ n1 v) q2 Y! m
7 Z5 D5 d' V4 r" i pPartRenew->Update();
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2 X) P8 _' A1 T& o; v* E) Y else return; $ O2 O6 I- \2 |& m" v4 F
( r( t7 X* q, Z0 R1 b$ ~* j# e //----------------------------------------------------------------
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9 u- `$ |& {) c9 S& n. V/ ^ v7 z //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。' [8 Z+ e2 h6 L$ w5 N) {; C
n0 N* E" W, b! K; G u4 z CATIModelEvents_var spEvents = piRootProduct;
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CATModify ModifyEvent(piRootProduct);9 P% ^- b2 f) E" n
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spEvents -> Dispatch (ModifyEvent);
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# L: F; B) o6 ~. ?/ w //Update the graph view
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5 a; k4 O9 ]$ \" N7 j CATIRedrawEvent_var spRedraw = piRootProduct;
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spRedraw -> Redraw(); 1 \6 ~$ z# L) r: y) B8 L, F
% c. Q2 R% T. T2 A piRootProduct -> Release();* e: W& j2 x2 ]' H
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piRootProduct = NULL;4 J, V) A/ `* l4 c! v
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