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Controller.h

#ifndef CONTROLLER_H
#define CONTROLLER_H

#include "AbstractEditor.h"
#include "AbstractEditable.h"
#include "SpecificKeyIterator.h"
#include <string>

template<class T>
class VController : public VAbstractEditable, public VSpecificKeyIterator<T>
{
protected:
        T m_CurrentValue;
        int m_nStartFrame, m_nEndFrame;

public:
        VController() {}
        VController(VController<T> *p)
        {
                if (p != NULL)
                {
                        m_CurrentValue = p->m_CurrentValue;
                        m_nStartFrame = p->m_nStartFrame;
                        m_nEndFrame = p->m_nEndFrame;
                }
        }

        virtual VController<T>* Clone() = 0;

        virtual T Evaluate(int nFrame)=0;

        virtual VAbstractEditor* CreateEditor()  = 0;


        void StartFrame(int nFrame) { m_nStartFrame = nFrame; }
        int StartFrame() const { return m_nStartFrame; }
        
        void EndFrame(int nFrame) { m_nEndFrame = nFrame; }
        int EndFrame() const { return m_nEndFrame; }


        virtual void OnLink( ) {}



                virtual int Count() const
                {
                        return -1;
                }

                virtual void SetFrame(int pos, int f)
                {
                }

                virtual int GetFrame(int pos)
                {
                        return -1;
                }

                virtual void SetKey(int pos, T key)
                {
                }

                virtual T GetKey(int pos)
                {
                        return m_CurrentValue;
                }

                virtual void AddUpdate(int f, T key)
                {
                }

                virtual void Delete(int pos)
                {
                }

                virtual bool SupportsDirectManipulation() const { return false;}


        virtual string Identify() const = 0;

        virtual bool MaintainsLinkToShape(void*) const
        {
                return false;
        }

        virtual void UnlinkShape(void*) {}
};


#endif

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