samples/xti/codereadercallback.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/xtistrm.h
   3 // Purpose:     streaming runtime metadata information (extended class info)
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     27/07/03
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _CODEDEPERSISTER_
  13 #define _CODEDEPERSISTER_
  14
  15 #include "wx/defs.h"
  16 #include "wx/sstream.h"
  17
  18 /*
  19 wxObjectCodeReaderCallback implements the callbacks that will depersist
  20 an object into a C++ initialization function.
  21 */
  22
  23 class WXDLLIMPEXP_BASE wxTextOutputStream;
  24
  25 class WXDLLIMPEXP_BASE wxObjectCodeReaderCallback: public wxObjectReaderCallback
  26 {
  27 private:
  28     struct wxObjectCodeReaderCallbackInternal;
  29     wxObjectCodeReaderCallbackInternal * m_data;
  30     wxString& m_headerincludes;
  31     wxString& m_source;
  32
  33 public:
  34     wxObjectCodeReaderCallback(wxString& headerincludes, wxString &source);
  35     virtual ~wxObjectCodeReaderCallback();
  36
  37     // allocate the new object on the heap, that object will have the passed in ID
  38     virtual void AllocateObject(int objectID, wxClassInfo *classInfo,
  39         wxStringToAnyHashMap &metadata);
  40
  41     // initialize the already allocated object having the ID objectID
  42     // with the Create method creation parameters which are objects are
  43     // having their Ids passed in objectIDValues having objectId <> wxInvalidObjectID
  44
  45     virtual void CreateObject(int objectID,
  46         const wxClassInfo *classInfo,
  47         int paramCount,
  48         wxAny *variantValues,
  49         int *objectIDValues,
  50         const wxClassInfo **objectClassInfos,
  51         wxStringToAnyHashMap &metadata
  52         );
  53
  54     // construct the new object on the heap, that object will have the
  55     // passed in ID (for objects that don't support allocate-create type
  56     // of creation) creation parameters which are objects are having their
  57     // Ids passed in objectIDValues having objectId <> wxInvalidObjectID
  58
  59     virtual void ConstructObject(int objectID,
  60         const wxClassInfo *classInfo,
  61         int paramCount,
  62         wxAny *VariantValues,
  63         int *objectIDValues,
  64         const wxClassInfo **objectClassInfos,
  65         wxStringToAnyHashMap &metadata);
  66
  67     // destroy the heap-allocated object having the ID objectID, this may
  68     // be used if an object is embedded in another object and set via value
  69     // semantics, so the intermediate object can be destroyed after safely
  70     virtual void DestroyObject(int objectID, wxClassInfo *classInfo);
  71
  72     // set the corresponding property
  73     virtual void SetProperty(int objectID,
  74         const wxClassInfo *classInfo,
  75         const wxPropertyInfo* propertyInfo,
  76         const wxAny &variantValue);
  77
  78     // sets the corresponding property (value is an object)
  79     virtual void SetPropertyAsObject(int objectId,
  80         const wxClassInfo *classInfo,
  81         const wxPropertyInfo* propertyInfo,
  82         int valueObjectId);
  83
  84     // adds an element to a property collection
  85     virtual void AddToPropertyCollection( int objectID,
  86         const wxClassInfo *classInfo,
  87         const wxPropertyInfo* propertyInfo,
  88         const wxAny &VariantValue);
  89
  90     // sets the corresponding property (value is an object)
  91     virtual void AddToPropertyCollectionAsObject(int objectID,
  92         const wxClassInfo *classInfo,
  93         const wxPropertyInfo* propertyInfo,
  94         int valueObjectId);
  95
  96     // sets the corresponding event handler
  97     virtual void SetConnect(int eventSourceObjectID,
  98         const wxClassInfo *eventSourceClassInfo,
  99         const wxPropertyInfo *delegateInfo,
 100         const wxClassInfo *eventSinkClassInfo,
 101         const wxHandlerInfo* handlerInfo,
 102         int eventSinkObjectID );
 103
 104     // utility function exposed for callbacks
 105     wxString ValueAsCode( const wxAny &param );
 106 };
 107
 108 #endif