Source: addSymbol.h

# Source: addSymbol.h |
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    #ifndef _ADDSYMBOL_H_
    #define _ADDSYMBOL_H_

    #include "operation.h"

    class Symbol;
    class Part;

    /** This operation adds a symbol to a part. In case the operation is undone, the element has to be deleted when the operation-instance is deleted.
     * For this reason, a _delete element is used...
     */
    class AddSymbol : public Operation
    {
     private:
      Symbol * _symbol;
      Part * _part;
      Symbol * _delete;

     public:
      /** example:
       * new AddSymbol(new Expression(0), new Part());
       */
      AddSymbol(Symbol * o, Part * part);
      AddSymbol(const AddSymbol&);
      ~AddSymbol();

      void undo();
      void redo();

      virtual ostream & print(int,ostream&) const;
      virtual void flush(const char*) const;
      virtual Element * copy() const;
    };

    #endif

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