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/*
* The Mana World
* Copyright (C) 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef SHOP_H
#define SHOP_H
#include <guichan/listmodel.hpp>
#include <string>
#include <vector>
class ShopItem;
/**
* This class handles the list of items available in a shop.
*
* The addItem routine can automatically check, if an item already exists and
* only adds duplicates to the old item, if one is found. The original
* distribution of the duplicates can be retrieved from the item.
*
* This functionality can be enabled in the constructor.
*/
class ShopItems : public gcn::ListModel
{
public:
/**
* Constructor.
*
* @param mergeDuplicates lets the Shop look for duplicate entries and
* merges them to one item.
*/
ShopItems(bool mergeDuplicates = false);
~ShopItems();
/**
* Adds an item to the list.
*/
void addItem(int id, int amount, int price);
/**
* Adds an item to the list (used by sell dialog). Looks for
* duplicate entries, if mergeDuplicates was turned on.
*
* @param inventoryIndex the inventory index of the item
* @param id the id of the item
* @param quantity number of available copies of the item
* @param price price of the item
*/
void addItem(int inventoryIndex, int id, int amount, int price);
/**
* Returns the number of items in the shop.
*/
int getNumberOfElements();
/**
* Returns the name of item number i in the shop.
*
* @param i the index to retrieve
*/
std::string getElementAt(int i);
/**
* Returns the item number i in the shop.
*/
ShopItem *at(int i) const;
/**
* Removes an element from the shop.
*
* @param i index to remove
*/
void erase(int i);
/**
* Clears the list of items in the shop.
*/
void clear();
private:
/**
* Searches the current items in the shop for the specified
* id and returns the item if found, or 0 else.
*
* @return the item found or 0
*/
ShopItem *findItem(int id);
/** The list of items in the shop. */
std::vector<ShopItem*> mShopItems;
/** Look for duplicate entries on addition. */
bool mMergeDuplicates;
};
#endif // SHOP_H
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