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/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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.
*
* The Mana World 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 The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#include "itemcontainer.h"
#include <guichan/mouseinput.hpp>
#include "selectionlistener.h"
#include "../graphics.h"
#include "../inventory.h"
#include "../item.h"
#include "../log.h"
#include "../resources/image.h"
#include "../resources/iteminfo.h"
#include "../resources/resourcemanager.h"
#include "../utils/tostring.h"
ItemContainer::ItemContainer(Inventory *inventory):
mInventory(inventory),
mSelectedItem(NULL)
{
ResourceManager *resman = ResourceManager::getInstance();
mSelImg = resman->getImage("graphics/gui/selection.png");
if (!mSelImg) logger->error("Unable to load selection.png");
mMaxItems = mInventory->getLastUsedSlot() + 1;
addMouseListener(this);
}
ItemContainer::~ItemContainer()
{
mSelImg->decRef();
}
void
ItemContainer::logic()
{
gcn::Widget::logic();
int i = mInventory->getLastUsedSlot() + 1;
if (i != mMaxItems)
{
mMaxItems = i;
setWidth(getWidth());
}
}
void
ItemContainer::draw(gcn::Graphics *graphics)
{
int gridWidth = 36; //(item icon width + 4)
int gridHeight = 42; //(item icon height + 10)
int columns = getWidth() / gridWidth;
// Have at least 1 column
if (columns < 1)
{
columns = 1;
}
// Reset selected item when quantity not above 0 (should probably be made
// sure somewhere else)
if (mSelectedItem && mSelectedItem->getQuantity() <= 0)
{
selectNone();
}
for (int i = 0; i < INVENTORY_SIZE; i++)
{
Item *item = mInventory->getItem(i);
if (item->getQuantity() <= 0) {
continue;
}
int itemX = (i % columns) * gridWidth;
int itemY = (i / columns) * gridHeight;
// Draw selection image below selected item
if (mSelectedItem == item)
{
static_cast<Graphics*>(graphics)->drawImage(mSelImg, itemX, itemY);
}
// Draw item icon
if (Image *image = item->getInfo().getImage())
{
static_cast<Graphics*>(graphics)->drawImage(image, itemX, itemY);
}
// Draw item caption
graphics->drawText(
toString(item->getQuantity()),
itemX + gridWidth / 2,
itemY + gridHeight - 11,
gcn::Graphics::CENTER);
}
}
void
ItemContainer::setWidth(int width)
{
gcn::Widget::setWidth(width);
int gridWidth = 36; //item icon width + 4
int gridHeight = 46; //item icon height + 14
int columns = getWidth() / gridWidth;
if (columns < 1)
{
columns = 1;
}
setHeight((mMaxItems + columns - 1) / columns * gridHeight);
}
Item*
ItemContainer::getItem()
{
return mSelectedItem;
}
void
ItemContainer::selectNone()
{
setSelectedItem(NULL);
}
void
ItemContainer::setSelectedItem(Item *item)
{
if (mSelectedItem != item)
{
mSelectedItem = item;
fireSelectionChangedEvent();
}
}
void
ItemContainer::fireSelectionChangedEvent()
{
SelectionEvent event(this);
SelectionListeners::iterator i_end = mListeners.end();
SelectionListeners::iterator i;
for (i = mListeners.begin(); i != i_end; ++i)
{
(*i)->selectionChanged(event);
}
}
void
ItemContainer::mousePressed(gcn::MouseEvent &event)
{
int button = event.getButton();
if (button == gcn::MouseEvent::LEFT || button == gcn::MouseEvent::RIGHT)
{
int gridWidth = 36; //(item icon width + 4)
int gridHeight = 42; //(item icon height + 10)
int columns = getWidth() / gridWidth;
int mx = event.getX();
int my = event.getY();
int index = mx / gridWidth + ((my / gridHeight) * columns);
if (index > INVENTORY_SIZE)
index = INVENTORY_SIZE - 1;
setSelectedItem(mInventory->getItem(index));
}
}
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