PropertyChangeNotifier.H

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#ifndef PROPERTYCHANGEDNOTIFIER_H
#define PROPERTYCHANGEDNOTIFIER_H


// Gluebase includes
#define OUTSIDE_GLUE_CORE
#include <std/strings.H>
#include <mlib/points.H>
#include <std/typedobj.H>

class PropertyListener;
class PropertyEvent;

class PropertyChangedNotifier{
public:
  PropertyChangedNotifier();
  virtual ~PropertyChangedNotifier();
  
  virtual void addPropertyChangeListener(PropertyListener* pl);
  virtual void removePropertyChangeListener(PropertyListener *pl);
  virtual void firePropertyChangeEvent(PropertyEvent* pce);
  int getNumListeners(){return _pls.num();};
protected:
  ARRAY<PropertyListener*> _pls;
};

class PropertyListener{
public:
  virtual void propertyChanged(PropertyEvent* event)=0;
};

class PropertyEvent{
public:
  PropertyEvent(str_ptr name,str_ptr event,void* data=NULL);
  virtual ~PropertyEvent();
  
  virtual void setSource(void* ptr);
  virtual void* getSource();
  
  virtual str_ptr getName();
  virtual str_ptr getEvent();
  virtual void* getData();
protected:
  str_ptr _name;
  str_ptr _event;
  void* _data;
  void* _src;
};
#endif

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