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