[学习笔记]ARX反应器

csharp

在alisp中这样写两个这样的反应器

2. 
   
3. (vlr-dwg-reactor nil '((:vlr-beginsave . _beginsave) (:vlr-enddwgopen . _enddwgopen)))
   
4. (defun _beginsave (o e)
   
5.   (setq ms (vla-get-modelspace (vla-get-activedocument (vlax-get-acad-object))))
   
6.   (vla-addtext ms "bbs.xdcad.net" (vlax-3d-point '(0 0 0)) 100.0)
   
7.   (princ)
   
8. )
   
9. (defun _enddwgopen (o e)
   
10.   (princ (getvar "dwgname"))
    
11.   (princ)
    
12. )
    

<br /> (vlr-dwg-reactor nil '((:vlr-beginsave . _beginsave) (:vlr-enddwgopen . _enddwgopen)))<br /> (defun _beginsave (o e)<br />   (setq ms (vla-get-modelspace (vla-get-activedocument (vlax-get-acad-object))))<br />   (vla-addtext ms "bbs.xdcad.net" (vlax-3d-point '(0 0 0)) 100.0)<br />   (princ)<br /> )<br /> (defun _enddwgopen (o e)<br />   (princ (getvar "dwgname"))<br />   (princ)<br /> )<br />

ARX 的反应器就是自己写一个类，继承自那些 AcXXXXReactor类 , 以上两个反应器ARX代码如下，采用 ObjectARX 向导类生成
自定义类 .h

2. 
   
3. //-----------------------------------------------------------------------------
   
4. //----- CDwgReactors.h : Declaration of the CDwgReactors
   
5. //-----------------------------------------------------------------------------
   
6. #pragma once
   
7. 
   
8. #ifdef ARXPROJECT2_MODULE
   
9. #define DLLIMPEXP __declspec(dllexport)
   
10. #else
    
11. #define DLLIMPEXP
    
12. #endif
    
13. 
    
14. //-----------------------------------------------------------------------------
    
15. #include "aced.h"
    
16. 
    
17. //-----------------------------------------------------------------------------
    
18. //----- Note: Uncomment the DLLIMPEXP symbol below if you wish exporting
    
19. //----- your class to other ARX/DBX modules
    
20. class /*DLLIMPEXP*/ CDwgReactors : public AcEditorReactor2 {
    
21. 
    
22. protected:
    
23.         //----- Auto initialization and release flag.
    
24.         bool mbAutoInitAndRelease ;
    
25. 
    
26. public:
    
27.         CDwgReactors (const bool autoInitAndRelease =true) ;
    
28.         virtual ~CDwgReactors () ;
    
29. 
    
30.         virtual void beginSave(AcDbDatabase* pDb, const ACHAR* pIntendedName);//反应器事件
    
31.         virtual void beginDwgOpen(ACHAR* filename);//反应器事件
    
32. 
    
33.         virtual void Attach () ;//
    
34.         virtual void Detach () ;
    
35.         virtual AcEditor *Subject () const ;
    
36.         virtual bool IsAttached () const ;
    
37. } ;
    

<br /> //-----------------------------------------------------------------------------<br /> //----- CDwgReactors.h : Declaration of the CDwgReactors<br /> //-----------------------------------------------------------------------------<br /> #pragma once<br /> <br /> #ifdef ARXPROJECT2_MODULE<br /> #define DLLIMPEXP __declspec(dllexport)<br /> #else<br /> #define DLLIMPEXP<br /> #endif<br /> <br /> //-----------------------------------------------------------------------------<br /> #include "aced.h"<br /> <br /> //-----------------------------------------------------------------------------<br /> //----- Note: Uncomment the DLLIMPEXP symbol below if you wish exporting<br /> //----- your class to other ARX/DBX modules<br /> class /*DLLIMPEXP*/ CDwgReactors : public AcEditorReactor2 {<br /> <br /> protected:<br />         //----- Auto initialization and release flag.<br />         bool mbAutoInitAndRelease ;<br /> <br /> public:<br />         CDwgReactors (const bool autoInitAndRelease =true) ;<br />         virtual ~CDwgReactors () ;<br /> <br />         virtual void beginSave(AcDbDatabase* pDb, const ACHAR* pIntendedName);//反应器事件<br />         virtual void beginDwgOpen(ACHAR* filename);//反应器事件<br /> <br />         virtual void Attach () ;//<br />         virtual void Detach () ;<br />         virtual AcEditor *Subject () const ;<br />         virtual bool IsAttached () const ;<br /> } ;<br />

自定义类 .cpp

2. 
   
3. //-----------------------------------------------------------------------------
   
4. //----- CDwgReactors.cpp : Implementation of CDwgReactors
   
5. //-----------------------------------------------------------------------------
   
6. #include "StdAfx.h"
   
7. #include "CDwgReactors.h"
   
8. 
   
9. //-----------------------------------------------------------------------------
   
10. //自定义一个反应器类
    
11. CDwgReactors::CDwgReactors (const bool autoInitAndRelease) : AcEditorReactor2(), mbAutoInitAndRelease(autoInitAndRelease) {
    
12.         if ( autoInitAndRelease ) {
    
13.                 if ( acedEditor )
    
14.                         acedEditor->addReactor (this) ;
    
15.                 else
    
16.                         mbAutoInitAndRelease =false ;
    
17.         }
    
18. }
    
19. 
    
20. //-----------------------------------------------------------------------------
    
21. CDwgReactors::~CDwgReactors () {
    
22.         Detach () ;
    
23. }
    
24. 
    
25. //-----------------------------------------------------------------------------
    
26. void CDwgReactors::Attach () {
    
27.         Detach () ;
    
28.         if ( !mbAutoInitAndRelease ) {
    
29.                 if ( acedEditor ) {
    
30.                         acedEditor->addReactor (this) ;
    
31.                         mbAutoInitAndRelease =true ;
    
32.                 }
    
33.         }
    
34. }
    
35. 
    
36. void CDwgReactors::Detach () {
    
37.         if ( mbAutoInitAndRelease ) {
    
38.                 if ( acedEditor ) {
    
39.                         acedEditor->removeReactor (this) ;
    
40.                         mbAutoInitAndRelease =false ;
    
41.                 }
    
42.         }
    
43. }
    
44. 
    
45. AcEditor *CDwgReactors::Subject () const {
    
46.         return (acedEditor) ;
    
47. }
    
48. 
    
49. bool CDwgReactors::IsAttached () const {
    
50.         return (mbAutoInitAndRelease) ;
    
51. }
    
52. //回调函数
    
53. void CDwgReactors::beginDwgOpen( ACHAR* filename )
    
54. {
    
55.       acedAlert(_T("This is beginDwgOpen test."));
    
56. }
    
57. //回调函数
    
58. void CDwgReactors::beginSave( AcDbDatabase* pDb, const ACHAR* pIntendedName )
    
59. {
    
60.         AcDbBlockTable *pBlkTbl=NULL;
    
61.         if (acdbOpenObject(pBlkTbl,pDb->blockTableId(),AcDb::kForRead)==Acad::eOk)
    
62.         {
    
63.                 AcDbBlockTableRecord *pBlkRcd=NULL;
    
64.                 if (pBlkTbl->getAt(ACDB_MODEL_SPACE,pBlkRcd,AcDb::kForWrite)==Acad::eOk)
    
65.                 {
    
66.                         AcDbExtents ext;
    
67.                         ext.addBlockExt(pBlkRcd);
    
68.                         AcGePoint3d pt(ext.minPoint()+(ext.minPoint()+ext.maxPoint().asVector()).asVector()/2);
    
69.                         double height=ext.maxPoint().y-ext.minPoint().y;
    
70.                         AcDbText *pText=new AcDbText;
    
71.                         pText->setTextString(_T("bbs.xdcad.net"));
    
72.                         pText->setVerticalMode(AcDb::kTextVertMid);
    
73.                         pText->setHorizontalMode(AcDb::kTextCenter);
    
74.                         pText->setPosition(pt);
    
75.                         pText->setColorIndex(1);
    
76.                         pText->setHeight(height/5);
    
77.                         pBlkRcd->appendAcDbEntity(pText);
    
78.                         pText->close();
    
79.                         pBlkRcd->close();
    
80.                 }
    
81.                 pBlkTbl->close();
    
82.         }
    
83. }
    

<br /> //-----------------------------------------------------------------------------<br /> //----- CDwgReactors.cpp : Implementation of CDwgReactors<br /> //-----------------------------------------------------------------------------<br /> #include "StdAfx.h"<br /> #include "CDwgReactors.h"<br /> <br /> //-----------------------------------------------------------------------------<br /> //自定义一个反应器类<br /> CDwgReactors::CDwgReactors (const bool autoInitAndRelease) : AcEditorReactor2(), mbAutoInitAndRelease(autoInitAndRelease) {<br />         if ( autoInitAndRelease ) {<br />                 if ( acedEditor )<br />                         acedEditor->addReactor (this) ;<br />                 else<br />                         mbAutoInitAndRelease =false ;<br />         }<br /> }<br /> <br /> //-----------------------------------------------------------------------------<br /> CDwgReactors::~CDwgReactors () {<br />         Detach () ;<br /> }<br /> <br /> //-----------------------------------------------------------------------------<br /> void CDwgReactors::Attach () {<br />         Detach () ;<br />         if ( !mbAutoInitAndRelease ) {<br />                 if ( acedEditor ) {<br />                         acedEditor->addReactor (this) ;<br />                         mbAutoInitAndRelease =true ;<br />                 }<br />         }<br /> }<br /> <br /> void CDwgReactors::Detach () {<br />         if ( mbAutoInitAndRelease ) {<br />                 if ( acedEditor ) {<br />                         acedEditor->removeReactor (this) ;<br />                         mbAutoInitAndRelease =false ;<br />                 }<br />         }<br /> }<br /> <br /> AcEditor *CDwgReactors::Subject () const {<br />         return (acedEditor) ;<br /> }<br /> <br /> bool CDwgReactors::IsAttached () const {<br />         return (mbAutoInitAndRelease) ;<br /> }<br /> //回调函数<br /> void CDwgReactors::beginDwgOpen( ACHAR* filename )<br /> {<br />       acedAlert(_T("This is beginDwgOpen test."));<br /> }<br /> //回调函数<br /> void CDwgReactors::beginSave( AcDbDatabase* pDb, const ACHAR* pIntendedName )<br /> {<br />         AcDbBlockTable *pBlkTbl=NULL;<br />         if (acdbOpenObject(pBlkTbl,pDb->blockTableId(),AcDb::kForRead)==Acad::eOk)<br />         {<br />                 AcDbBlockTableRecord *pBlkRcd=NULL;<br />                 if (pBlkTbl->getAt(ACDB_MODEL_SPACE,pBlkRcd,AcDb::kForWrite)==Acad::eOk)<br />                 {<br />                         AcDbExtents ext;<br />                         ext.addBlockExt(pBlkRcd);<br />                         AcGePoint3d pt(ext.minPoint()+(ext.minPoint()+ext.maxPoint().asVector()).asVector()/2);<br />                         double height=ext.maxPoint().y-ext.minPoint().y;<br />                         AcDbText *pText=new AcDbText;<br />                         pText->setTextString(_T("bbs.xdcad.net"));<br />                         pText->setVerticalMode(AcDb::kTextVertMid);<br />                         pText->setHorizontalMode(AcDb::kTextCenter);<br />                         pText->setPosition(pt);<br />                         pText->setColorIndex(1);<br />                         pText->setHeight(height/5);<br />                         pBlkRcd->appendAcDbEntity(pText);<br />                         pText->close();<br />                         pBlkRcd->close();<br />                 }<br />                 pBlkTbl->close();<br />         }<br /> }<br />

在初始化中加载这个反应器

1. 
   
2.         virtual AcRx::AppRetCode On_kInitAppMsg (void *pkt) {
   
3.                 // TODO: Load dependencies here
   
4. 
   
5.                 // You *must* call On_kInitAppMsg here
   
6.                 AcRx::AppRetCode retCode =AcRxArxApp::On_kInitAppMsg (pkt) ;
   
7.                
   
8.                 // TODO: Add your initialization code here
   
9.                 CDwgReactors *mDwgReactor=new CDwgReactors;//加载反应器
   
10. 
    
11.                 return (retCode) ;
    
12.         }
    

复制代码

st788796

ARX 和 其它两者是有区别的，在 SDI 下，三者一样，MDI 下，ARX 一样有效，其他两个无效

zjy2999

学习！！！！！！！！！！！！！！！