SignStateManager.h

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#ifndef _SIGNSTATEMANAGER_H_
#define _SIGNSTATEMANAGER_H_

#include <vector>
#include <string>
#include <map>
#include <SignDLL.h>


class SignState;
class SignContext;
class vtkKWFrame;

typedef std::map<std::string,SignState*> StateMap;

class SIGN_EXPORT SignStateManager
{
public:
        SignStateManager(SignContext* newSignContext);

        ~SignStateManager();

        SignState* SaveState(std::string name,vtkKWFrame* frame);

        SignState* RestoreState(std::string name);

        void DeleteState(std::string name);

        bool CheckState(std::string name);

        SignState* GetCurrentState();

private:
        StateMap states;
        SignState* currentState;
        SignContext* signContext;

        void RestoreFiducials(SignState* state);
        void RestoreViewers(SignState* state);
        void RestoreTransferFunctions(SignState* state);

        SignStateManager(); // reserves the name
};

#endif

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