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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
*/
#include <guichan/widgets/label.hpp>
#include "button.h"
#include "buy.h"
#include "scrollarea.h"
#include "shop.h"
#include "shoplistbox.h"
#include "slider.h"
#include "widgets/layout.h"
#include "../npc.h"
#include "../units.h"
#include "../net/messageout.h"
#include "../net/protocol.h"
#include "../utils/gettext.h"
#include "../utils/strprintf.h"
BuyDialog::BuyDialog(Network *network):
Window(_("Buy")), mNetwork(network),
mMoney(0), mAmountItems(0), mMaxItems(0)
{
setWindowName("Buy");
setResizable(true);
setMinWidth(260);
setMinHeight(230);
setDefaultSize(0, 0, 260, 230);
mShopItems = new ShopItems;
mShopItemList = new ShopListBox(mShopItems, mShopItems);
mScrollArea = new ScrollArea(mShopItemList);
mSlider = new Slider(1.0);
mQuantityLabel = new gcn::Label("0");
mMoneyLabel = new gcn::Label(strprintf(_("Price: %s / Total: %s"),
"", ""));
mIncreaseButton = new Button("+", "+", this);
mDecreaseButton = new Button("-", "-", this);
mBuyButton = new Button(_("Buy"), "buy", this);
mQuitButton = new Button(_("Quit"), "quit", this);
mItemDescLabel = new gcn::Label(strprintf(_("Description: %s"), ""));
mItemEffectLabel = new gcn::Label(strprintf(_("Effect: %s"), ""));
mIncreaseButton->setSize(20, 20);
mDecreaseButton->setSize(20, 20);
mScrollArea->setHorizontalScrollPolicy(gcn::ScrollArea::SHOW_NEVER);
mIncreaseButton->setEnabled(false);
mDecreaseButton->setEnabled(false);
mBuyButton->setEnabled(false);
mSlider->setEnabled(false);
mSlider->setActionEventId("slider");
mSlider->addActionListener(this);
mShopItemList->addSelectionListener(this);
place(0, 0, mScrollArea, 5).setPadding(3);
place(0, 1, mQuantityLabel, 2);
place(2, 1, mSlider, 3);
place(0, 2, mMoneyLabel, 5);
place(0, 3, mItemEffectLabel, 5);
place(0, 4, mItemDescLabel, 5);
place(0, 5, mDecreaseButton);
place(1, 5, mIncreaseButton);
place(3, 5, mBuyButton);
place(4, 5, mQuitButton);
Layout &layout = getLayout();
layout.setRowHeight(0, Layout::AUTO_SET);
loadWindowState();
setLocationRelativeTo(getParent());
}
BuyDialog::~BuyDialog()
{
delete mShopItems;
}
void BuyDialog::setMoney(int amount)
{
mMoney = amount;
mShopItemList->setPlayersMoney(amount);
updateButtonsAndLabels();
}
void BuyDialog::reset()
{
mShopItems->clear();
mShopItemList->adjustSize();
// Reset previous selected items to prevent failing asserts
mShopItemList->setSelected(-1);
mSlider->setValue(0);
setMoney(0);
}
void BuyDialog::addItem(short id, int price)
{
mShopItems->addItem(id, price);
mShopItemList->adjustSize();
}
void BuyDialog::action(const gcn::ActionEvent &event)
{
int selectedItem = mShopItemList->getSelected();
if (event.getId() == "quit")
{
setVisible(false);
current_npc = 0;
return;
}
// The following actions require a valid selection
if (selectedItem < 0 ||
selectedItem >= (int) mShopItems->getNumberOfElements())
{
return;
}
if (event.getId() == "slider")
{
mAmountItems = (int) mSlider->getValue();
updateButtonsAndLabels();
}
else if (event.getId() == "+" && mAmountItems < mMaxItems)
{
mAmountItems++;
mSlider->setValue(mAmountItems);
updateButtonsAndLabels();
}
else if (event.getId() == "-" && mAmountItems > 1)
{
mAmountItems--;
mSlider->setValue(mAmountItems);
updateButtonsAndLabels();
}
// TODO: Actually we'd have a bug elsewhere if this check for the number
// of items to be bought ever fails, Bertram removed the assertions, is
// there a better way to ensure this fails in an _obvious_ way in C++?
else if (event.getId() == "buy" && mAmountItems > 0 &&
mAmountItems <= mMaxItems)
{
MessageOut outMsg(mNetwork);
outMsg.writeInt16(CMSG_NPC_BUY_REQUEST);
outMsg.writeInt16(8);
outMsg.writeInt16(mAmountItems);
outMsg.writeInt16(mShopItems->at(selectedItem)->getId());
// Update money and adjust the max number of items that can be bought
mMaxItems -= mAmountItems;
setMoney(mMoney -
mAmountItems * mShopItems->at(selectedItem)->getPrice());
// Reset selection
mAmountItems = 1;
mSlider->setValue(1);
mSlider->gcn::Slider::setScale(1, mMaxItems);
}
}
void BuyDialog::valueChanged(const gcn::SelectionEvent &event)
{
// Reset amount of items and update labels
mAmountItems = 1;
mSlider->setValue(1);
updateButtonsAndLabels();
mSlider->gcn::Slider::setScale(1, mMaxItems);
}
void BuyDialog::updateButtonsAndLabels()
{
const int selectedItem = mShopItemList->getSelected();
int price = 0;
if (selectedItem > -1)
{
const ItemInfo &info = mShopItems->at(selectedItem)->getInfo();
mItemDescLabel->setCaption
(strprintf(_("Description: %s"), info.getDescription().c_str()));
mItemEffectLabel->setCaption
(strprintf(_("Effect: %s"), info.getEffect().c_str()));
int itemPrice = mShopItems->at(selectedItem)->getPrice();
// Calculate how many the player can afford
mMaxItems = mMoney / itemPrice;
if (mAmountItems > mMaxItems)
{
mAmountItems = mMaxItems;
}
// Calculate price of pending purchase
price = mAmountItems * itemPrice;
}
else
{
mItemDescLabel->setCaption(strprintf(_("Description: %s"), ""));
mItemEffectLabel->setCaption(strprintf(_("Effect: %s"), ""));
mMaxItems = 0;
mAmountItems = 0;
}
// Enable or disable buttons and slider
mIncreaseButton->setEnabled(mAmountItems < mMaxItems);
mDecreaseButton->setEnabled(mAmountItems > 1);
mBuyButton->setEnabled(mAmountItems > 0);
mSlider->setEnabled(mMaxItems > 1);
// Update quantity and money labels
mQuantityLabel->setCaption(strprintf("%d / %d", mAmountItems, mMaxItems));
mMoneyLabel->setCaption
(strprintf(_("Price: %s / Total: %s"),
Units::formatCurrency(price).c_str(),
Units::formatCurrency(mMoney - price).c_str()));
}
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