// EditItemFactory.cpp - 工厂管理器
#include "diagramEditor/editItemFactory.h"
#include "diagramEditor/busItemFactory.h"
#include "diagramEditor/bayItemFactory.h"
#include "diagramEditor/transItemFactory.h"
#include <map>
#include <memory>

EditItemFactory* EditItemFactory::getFactory(int itemType) {
    static std::map<int, std::unique_ptr<EditItemFactory>> factories;

    // 延迟初始化
    if (factories.empty()) {
        factories[1] = std::make_unique<BusItemFactory>();
        factories[2] = std::make_unique<BayItemFactory>();
        factories[3] = std::make_unique<TransItemFactory>();
    }

    auto it = factories.find(itemType);
    if (it != factories.end()) {
        return it->second.get();
    }
    return nullptr;
}