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#ifndef _ADDON_H_ #define _ADDON_H_ #include "operation.h" class Table; class Part; class Track; class Song; /** This is the base class for all addons. * Beware: If your addon is of the type TO_BE_UNDONE, don't use other operations within your addon! */ class Addon : public Operation { protected: Element * _target; int _context; public: static const bool TO_BE_UNDONE = true; static const int TREAT_SELECTION = 1; static const int TREAT_PART = 2; static const int TREAT_TRACK = 4; static const int TREAT_SONG = 8; static const int TREAT_GLOBAL = 16; static const int TREAT_ALL = TREAT_SELECTION + TREAT_PART + TREAT_TRACK + TREAT_SONG + TREAT_GLOBAL; Addon(char*,Element*,bool,int); virtual ~Addon(); virtual void undo(); virtual void redo(); virtual void selection(Table * selection); virtual void part(Part * part); virtual void track(Track * track); virtual void song(Song * song); virtual void global(); void run(); int context(); bool context(int); virtual ostream & print(int,ostream&) const; virtual void flush(const char*) const; virtual Element * copy() const; }; #endif
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