#include "FITKElementList.h"
#include "FITKAbstractElement.h"

namespace Interface
{

    FITKElementList::~FITKElementList()
    {
        //释放全部单元内存
        this->removeAllElement();
       
    }

    void FITKElementList::appendElement(FITKAbstractElement* element)
    {
        //已经存在的单元不追加
        if (element == nullptr) return;
//        if (_elementList.contains(element)) return;

        _elementList.append(element);
       const int id = element->getEleID();
       const int index = _elementList.size() - 1;
        //建立ID与index的映射关系
       _idIndexMap.insert(id, index);
       _eleMaxID = _eleMaxID > id ? _eleMaxID : id;
    }

    int FITKElementList::getEleIDByIndex(const int index)
    {
        if (index < 0 || index >= _elementList.size()) return -1;
        FITKAbstractElement* ele = _elementList[index];
        if (ele == nullptr) return -1;

        return ele->getEleID();
    }

    int FITKElementList::getEleIndexByID(const int id) const
    {
        return _idIndexMap.value(id);
    }

    FITKAbstractElement* FITKElementList::getElementAt(const int index)
    {
        //越界返回空指针
        if (index < 0 || index >= _elementList.size()) return nullptr;
        return _elementList.at(index);
    }

    Interface::FITKAbstractElement* FITKElementList::getElementByID(const int id)
    {
        //首先查到ID
        const int index = _idIndexMap.value(id);
        if (index < 0 || index >= _elementList.size()) return nullptr;
        return _elementList.at(index);
    }

    int FITKElementList::getElementCount()
    {
        return _elementList.size();
    }

    void FITKElementList::reverseEleByID(const int id)
    {
        auto ele = this->getElementByID(id);
        if (ele) ele->reverse();
    }

    void FITKElementList::reverseEleByIndex(const int index)
    {
        auto ele = this->getElementAt(index);
        if (ele) ele->reverse();
    }

    int FITKElementList::getElementMaxID()
    {
        return _eleMaxID;
    }

    void FITKElementList::removeAllElement()
    {
        for (auto ele : _elementList)
            delete ele;
        //清空列表
        _elementList.clear();
        _idIndexMap.clear();
        _eleMaxID = 0;
    }

}