AttributeModelProxy.h

#pragma once

namespace ParaEngine
{
    template<typename T>
    class CArrayAttributeProxy : public IAttributeFields
    {
    public:
        typedef T* ArrayPtr_type;
        CArrayAttributeProxy(ArrayPtr_type pArray, const char* sName = NULL) : m_pArray(pArray){ 
            if (sName)
                SetIdentifier(sName);
        };
        virtual ~CArrayAttributeProxy(){};

        ATTRIBUTE_DEFINE_CLASS(CArrayAttributeProxy);

        virtual const std::string& GetIdentifier() {
            return m_sName;
        }
        virtual void SetIdentifier(const std::string& sName){
            m_sName = sName;
        }

        virtual int GetChildAttributeObjectCount(int nColumnIndex = 0) {
            return (m_pArray != nullptr) ? m_pArray->size() : 0;
        };
        virtual IAttributeFields* GetChildAttributeObject(int nRowIndex, int nColumnIndex=0){
            if (m_pArray){
                auto iter = m_pArray->begin();
                std::advance(iter, nRowIndex);
                if (iter != m_pArray->end())
                    return *iter;
            }
            return NULL;
        }
    public:
        ArrayPtr_type m_pArray;
        std::string m_sName;
    };

    template<typename T>
    class CMapAttributeProxy : public IAttributeFields
    {
    public:
        typedef T* MapPtr_type;
        CMapAttributeProxy(MapPtr_type pArray, const char* sName = NULL) : m_pArray(pArray){
            if (sName)
                SetIdentifier(sName);
        };
        virtual ~CMapAttributeProxy(){};

        ATTRIBUTE_DEFINE_CLASS(CMapAttributeProxy);

        virtual int GetChildAttributeObjectCount() {
            return (m_pArray != nullptr) ? m_pArray->size() : 0;
        };
        virtual IAttributeFields* GetChildAttributeObject(int nIndex){
            if (m_pArray){
                auto iter = m_pArray->begin();
                std::advance(iter, nIndex);
                if (iter != m_pArray->end())
                    return iter->second;
            }
            return NULL;
        }

        virtual const std::string& GetIdentifier() {
            return m_sName;
        }
        virtual void SetIdentifier(const std::string& sName){
            m_sName = sName;
        }
    public:
        MapPtr_type m_pArray;
        std::string m_sName;
    };
}