apps/openmw/mwgui/tradeitemmodel.hpp

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#ifndef MWGUI_TRADE_ITEM_MODEL_H
#define MWGUI_TRADE_ITEM_MODEL_H

#include "itemmodel.hpp"

namespace MWGui
{

    class ItemModel;

    class TradeItemModel : public ProxyItemModel
    {
    public:
        TradeItemModel (ItemModel* sourceModel, const MWWorld::Ptr& merchant);

        virtual ItemStack getItem (ModelIndex index);
        virtual size_t getItemCount();

        virtual void update();

        void borrowItemFromUs (ModelIndex itemIndex, size_t count);

        void borrowItemToUs (ModelIndex itemIndex, ItemModel* source, size_t count);

        void returnItemBorrowedToUs (ModelIndex itemIndex, size_t count);

        void returnItemBorrowedFromUs (ModelIndex itemIndex, ItemModel* source, size_t count);

        void transferItems ();
        void abort();

        std::vector<ItemStack> getItemsBorrowedToUs();

    private:
        void borrowImpl(const ItemStack& item, std::vector<ItemStack>& out);
        void unborrowImpl(const ItemStack& item, size_t count, std::vector<ItemStack>& out);

        std::vector<ItemStack> mItems;

        std::vector<ItemStack> mBorrowedToUs;
        std::vector<ItemStack> mBorrowedFromUs;

        MWWorld::Ptr mMerchant;
    };

}

#endif