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/*
**************************************************************************
description
--------------------
copyright : (C) 2002 by Andreas Zehender
email : [email protected]
**************************************************************************
**************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
**************************************************************************/
#ifndef PMENUMPROPERTY_H
#define PMENUMPROPERTY_H
#include "pmmetaobject.h"
#include <tqmap.h>
typedef TQMap<int, TQString> PMEnumValueStringMap;
typedef TQMap<TQString, int> PMEnumStringValueMap;
/**
* Base class for enum properties
*/
class PMEnumProperty : public PMPropertyBase
{
public:
/**
* Default constructor
*/
PMEnumProperty( const char* name, bool readOnly = false,
bool writeOnly = false );
/**
* Adds the string to the list of enum values and sets the enum flag
* to true
*/
void addEnumValue( const TQString& str, int value );
/**
* Returns true if the property is an enum
*/
virtual bool isEnum( ) const { return true; }
/**
* Returns the list of enum values
*/
virtual TQStringList enumValues( ) const;
protected:
/**
* Do not reimplement this method in a sub class
*/
virtual bool setProtected( PMObject* obj, const PMVariant& v );
/**
* Do not reimplement this method in a sub class
*/
virtual PMVariant getProtected( const PMObject* obj );
/**
* Reimplement this method in sub classes. You can safetly
* cast the integer to the enum type
*/
virtual void setEnum( PMObject* obj, int value ) = 0;
/**
* Reimplement this method in sub classes.
*/
virtual int getEnum( const PMObject* obj ) = 0;
private:
PMEnumValueStringMap m_valueMap;
PMEnumStringValueMap m_stringMap;
};
#define PMDefineEnumPropertyClass( ObjectClass, EnumType, PropertyClass ) \
class PropertyClass : public PMEnumProperty \
{ \
public: \
typedef void ( ObjectClass::*SetPtr ) ( EnumType ); \
typedef EnumType ( ObjectClass::*GetPtr ) ( void ) const; \
\
PropertyClass( const char* name, SetPtr setFktn, GetPtr getFktn ) \
: PMEnumProperty( name, setFktn == 0, getFktn == 0 ) \
{ \
m_setFunktion = setFktn; \
m_getFunktion = getFktn; \
} \
protected: \
virtual void setEnum( PMObject* obj, int value ) \
{ \
ObjectClass* o = ( ObjectClass* ) obj; \
( o->*m_setFunktion )( ( EnumType ) value ); \
} \
virtual int getEnum( const PMObject* obj ) \
{ \
const ObjectClass* o = ( const ObjectClass* ) obj; \
return ( o->*m_getFunktion )( ); \
} \
private: \
SetPtr m_setFunktion; \
GetPtr m_getFunktion; \
}
// no semicolon, put a semicolon after the macro!
#endif
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