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added wxDynamicObject (kind of delegate, docs to come once this has calmed down)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22765 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Stefan Csomor
2003-08-11 10:01:02 +00:00
parent 395470d965
commit 2d51f067b9
4 changed files with 354 additions and 36 deletions
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106
include/wx/xti.h
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@@ -487,6 +487,8 @@ public :
class SetAndGetByRefRetBool ;
class GetByRef ;
#endif
wxPropertyAccessor() { m_setterName = NULL ; m_getterName = NULL ; }
virtual ~wxPropertyAccessor() {}
virtual void SetProperty(wxObject *object, const wxxVariant &value) const = 0 ;
virtual wxxVariant GetProperty(const wxObject *object) const = 0 ;
virtual bool HasSetter() const = 0 ;
@@ -500,6 +502,22 @@ protected :
const wxChar *m_getterName ;
};
class WXDLLIMPEXP_BASE wxGenericPropertyAccessor : public wxPropertyAccessor
{
public :
wxGenericPropertyAccessor( const wxChar* propertyName ) ;
~wxGenericPropertyAccessor() ;
virtual void SetProperty(wxObject *object, const wxxVariant &value) const ;
virtual wxxVariant GetProperty(const wxObject *object) const ;
virtual bool HasSetter() const { return true ; }
virtual bool HasGetter() const { return true ; }
virtual wxxVariant ReadValue( const wxString &value ) const ;
virtual void WriteValue( wxString& value , const wxObject *o ) const ;
private :
struct wxGenericPropertyAccessorInternal ;
wxGenericPropertyAccessorInternal* m_data ;
} ;
template<class Klass, typename T>
class WXDLLIMPEXP_BASE wxPropertyAccessorT : public wxPropertyAccessor
{
@@ -537,7 +555,7 @@ public:
: m_setter_bool( NULL ) , m_setter_ref_bool( NULL ) , m_setter(NULL), m_setter(setter), m_getter(NULL) , m_getter_ref(getter){m_setterName = s;m_getterName=g ;}
// returns true if this accessor has a setter
bool HasSetter() const { return m_setter != NULL || m_setter_ref != NULL ; }
bool HasSetter() const { return m_setter != NULL || m_setter_ref != NULL || m_setter_ref_bool != NULL || m_setter_bool ; }
// return true if this accessor has a getter
bool HasGetter() const { return m_getter != NULL || m_getter_ref != NULL ; }
@@ -654,7 +672,7 @@ private :
};
#define WX_BEGIN_PROPERTIES_TABLE(theClass) \
const wxPropertyInfo *theClass::GetPropertiesStatic() \
wxPropertyInfo *theClass::GetPropertiesStatic() \
{ \
typedef theClass class_t; \
static wxPropertyInfo* first = NULL ;
@@ -760,7 +778,7 @@ private :
static wxHandlerInfo _handlerInfo##name( first , #name , (wxObjectEventFunction) (wxEventFunction) &name , CLASSINFO( eventClassType ) ) ;
#define WX_BEGIN_HANDLERS_TABLE(theClass) \
const wxHandlerInfo *theClass::GetHandlersStatic() \
wxHandlerInfo *theClass::GetHandlersStatic() \
{ \
typedef theClass class_t; \
static wxHandlerInfo* first = NULL ;
@@ -970,8 +988,8 @@ public:
const wxChar *_ClassName,
int size,
wxObjectConstructorFn ctor ,
const wxPropertyInfo *_Props ,
const wxHandlerInfo *_Handlers ,
wxPropertyInfo *_Props ,
wxHandlerInfo *_Handlers ,
wxConstructorBridge* _Constructor ,
const wxChar ** _ConstructorProperties ,
const int _ConstructorPropertiesCount ,
@@ -987,9 +1005,18 @@ public:
Register() ;
}
wxClassInfo(const wxChar *_UnitName, const wxChar *_ClassName, const wxClassInfo **_Parents) : m_parents(_Parents) , m_unitName(_UnitName) ,m_className(_ClassName),
m_objectSize(0), m_objectConstructor(NULL) , m_firstProperty(NULL ) , m_firstHandler(NULL ) , m_constructor( NULL ) ,
m_constructorProperties(NULL) , m_constructorPropertiesCount(NULL),
m_variantOfPtrToObjectConverter( NULL ) , m_variantToObjectConverter( NULL ) , m_objectToVariantConverter( NULL ) , m_next(sm_first)
{
sm_first = this;
Register() ;
}
virtual ~wxClassInfo() ;
wxObject *CreateObject() const { return m_objectConstructor ? (*m_objectConstructor)() : 0; }
virtual wxObject *CreateObject() const { return m_objectConstructor ? (*m_objectConstructor)() : 0; }
const wxChar *GetClassName() const { return m_className; }
const wxClassInfo **GetParents() const { return m_parents; }
@@ -1047,8 +1074,8 @@ public:
virtual const wxChar* GetCreateParamName(int i) const { return m_constructorProperties[i] ; }
// Runtime access to objects by property name, and variant data
virtual void SetProperty (wxObject *object, const wxChar *PropertyName, const wxxVariant &Value);
virtual wxxVariant GetProperty (wxObject *object, const wxChar *PropertyName);
virtual void SetProperty (wxObject *object, const wxChar *PropertyName, const wxxVariant &Value) const ;
virtual wxxVariant GetProperty (wxObject *object, const wxChar *PropertyName) const;
// we must be able to cast variants to wxObject pointers, templates seem not to be suitable
wxObject* VariantToInstance( wxxVariant &data ) const
@@ -1066,6 +1093,11 @@ public:
// find handler by name
virtual const wxHandlerInfo *FindHandlerInfo (const wxChar *PropertyName) const ;
// find property by name
virtual const wxPropertyInfo *FindPropertyInfoInThisClass (const wxChar *PropertyName) const ;
// find handler by name
virtual const wxHandlerInfo *FindHandlerInfoInThisClass (const wxChar *PropertyName) const ;
public:
const wxChar *m_className;
int m_objectSize;
@@ -1081,10 +1113,11 @@ public:
// many clients)
static wxHashTable *sm_classTable;
protected :
wxPropertyInfo * m_firstProperty ;
wxHandlerInfo * m_firstHandler ;
private:
const wxClassInfo** m_parents ;
const wxPropertyInfo * m_firstProperty ;
const wxHandlerInfo * m_firstHandler ;
const wxChar* m_unitName;
wxConstructorBridge* m_constructor ;
@@ -1094,11 +1127,11 @@ private:
wxVariantToObjectConverter m_variantToObjectConverter ;
wxObjectToVariantConverter m_objectToVariantConverter ;
const wxPropertyAccessor *FindAccessor (const wxChar *propertyName);
const wxPropertyAccessor *FindAccessor (const wxChar *propertyName) const ;
// InitializeClasses() helper
static wxClassInfo *GetBaseByName(const wxChar *name);
static wxClassInfo *GetBaseByName(const wxChar *name) ;
protected:
// registers the class
@@ -1108,8 +1141,41 @@ protected:
DECLARE_NO_COPY_CLASS(wxClassInfo)
};
WXDLLIMPEXP_BASE wxObject *wxCreateDynamicObject(const wxChar *name);
// ----------------------------------------------------------------------------
// wxDynamicObject
// ----------------------------------------------------------------------------
//
// this object leads to having a pure runtime-instantiation
class wxDynamicClassInfo : public wxClassInfo
{
public :
wxDynamicClassInfo( const wxChar *_UnitName, const wxChar *_ClassName , const wxClassInfo* superClass ) ;
virtual ~wxDynamicClassInfo() ;
// constructs a wxDynamicObject with an instance
virtual wxObject *CreateObject() const ;
// Call the Create method for a class
virtual void Create (wxObject *object, int ParamCount, wxxVariant *Params) const ;
// get number of parameters for constructor
virtual int GetCreateParamCount() const ;
// get i-th constructor parameter
virtual const wxChar* GetCreateParamName(int i) const ;
// Runtime access to objects by property name, and variant data
virtual void SetProperty (wxObject *object, const wxChar *PropertyName, const wxxVariant &Value) const ;
virtual wxxVariant GetProperty (wxObject *object, const wxChar *PropertyName) const ;
void AddProperty( const wxChar *propertyName , const wxTypeInfo* typeInfo ) ;
void AddHandler( const wxChar *handlerName , wxObjectEventFunction address , const wxClassInfo* eventClassInfo ) ;
} ;
// ----------------------------------------------------------------------------
// Dynamic class macros
// ----------------------------------------------------------------------------
@@ -1118,8 +1184,8 @@ WXDLLIMPEXP_BASE wxObject *wxCreateDynamicObject(const wxChar *name);
public: \
static wxClassInfo sm_class##name; \
static const wxClassInfo* sm_classParents##name[] ; \
static const wxPropertyInfo* GetPropertiesStatic() ; \
static const wxHandlerInfo* GetHandlersStatic() ; \
static wxPropertyInfo* GetPropertiesStatic() ; \
static wxHandlerInfo* GetHandlersStatic() ; \
virtual wxClassInfo *GetClassInfo() const \
{ return &name::sm_class##name; }
@@ -1197,8 +1263,8 @@ WX_CONSTRUCTOR_DUMMY( name )
#define IMPLEMENT_DYNAMIC_CLASS( name , basename ) \
_IMPLEMENT_DYNAMIC_CLASS( name , basename , "" ) \
const wxPropertyInfo *name::GetPropertiesStatic() { return (wxPropertyInfo*) NULL ; } \
const wxHandlerInfo *name::GetHandlersStatic() { return (wxHandlerInfo*) NULL ; } \
wxPropertyInfo *name::GetPropertiesStatic() { return (wxPropertyInfo*) NULL ; } \
wxHandlerInfo *name::GetHandlersStatic() { return (wxHandlerInfo*) NULL ; } \
WX_CONSTRUCTOR_DUMMY( name )
#define IMPLEMENT_DYNAMIC_CLASS_XTI( name , basename , unit ) \
@@ -1265,8 +1331,8 @@ _IMPLEMENT_DYNAMIC_CLASS_WITH_COPY( name , basename , unit )
#define IMPLEMENT_DYNAMIC_CLASS2( name , basename , basename2) \
_IMPLEMENT_DYNAMIC_CLASS2( name , basename , basename2 , "") \
const wxPropertyInfo *name::GetPropertiesStatic() { return (wxPropertyInfo*) NULL ; } \
const wxHandlerInfo *name::GetHandlersStatic() { return (wxHandlerInfo*) NULL ; } \
wxPropertyInfo *name::GetPropertiesStatic() { return (wxPropertyInfo*) NULL ; } \
wxHandlerInfo *name::GetHandlersStatic() { return (wxHandlerInfo*) NULL ; } \
WX_CONSTRUCTOR_DUMMY( name )
#define IMPLEMENT_DYNAMIC_CLASS2_XTI( name , basename , basename2, unit) \
@@ -1298,8 +1364,8 @@ wxxVariant wxObjectToVariantConverter##name ( wxObject *data ) { return wxxVaria
#define IMPLEMENT_ABSTRACT_CLASS( name , basename ) \
_IMPLEMENT_ABSTRACT_CLASS( name , basename ) \
const wxHandlerInfo *name::GetHandlersStatic() { return (wxHandlerInfo*) NULL ; } \
const wxPropertyInfo *name::GetPropertiesStatic() { return (wxPropertyInfo*) NULL ; }
wxHandlerInfo *name::GetHandlersStatic() { return (wxHandlerInfo*) NULL ; } \
wxPropertyInfo *name::GetPropertiesStatic() { return (wxPropertyInfo*) NULL ; }
// Multiple inheritance with two base classes