Source: addToSelection.h

# Source: addToSelection.h |
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    #ifndef _ADDTOSELECTION_H_
    #define _ADDTOSELECTION_H_

    #include "operation.h"

    class Element;
    class Compound;
    class Reference;

    /** This operation adds an element to a compound. 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 AddToSelection : public Operation
    {
     private:
      Reference * _ref;
      Reference * _delete;

     public:
      AddToSelection(Reference * ref);
      AddToSelection(const AddToSelection&);
      ~AddToSelection();

      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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