/*
 *  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 "guildlistbox.h"

#include "../graphics.h"

#include <guichan/font.hpp>

GuildListBox::GuildListBox():
    ListBox(NULL)
{
        
}

void GuildListBox::draw(gcn::Graphics *graphics)
{
    if (!mListModel)
        return;
    
    graphics->setColor(gcn::Color(110, 160, 255));
    graphics->setFont(getFont());
    
    int fontHeight = getFont()->getHeight();
    
    // Draw rectangle below the selected list element
    if (mSelected >= 0) {
        graphics->fillRectangle(gcn::Rectangle(0, fontHeight * mSelected,
                                               getWidth(), fontHeight));
    }
    
    // TODO: Add online status image
    
    // Draw the list elements
    for (int i = 0, y = 0;
         i < mListModel->getNumberOfElements();
         ++i, y += fontHeight)
    {
        graphics->drawText(mListModel->getElementAt(i), 1, y);
    }
}

void GuildListBox::setSelected(int selected)
{
    if (!mListModel)
    {
        mSelected = -1;
    }
    else
    {
        // Update mSelected with bounds checking
        mSelected = std::min(mListModel->getNumberOfElements() - 1,
                             std::max(-1, selected));
        
        gcn::Widget *parent;
        parent = (gcn::Widget*)getParent();
        if (parent)
        {
            gcn::Rectangle scroll;
            scroll.y = (mSelected < 0) ? 0 : getFont()->getHeight() * mSelected;
            scroll.height = getFont()->getHeight();
            parent->showWidgetPart(this, scroll);
        }
    }
    
    fireSelectionChangedEvent();
}

void GuildListBox::mousePressed(gcn::MouseEvent &event)
{
    if (event.getButton() == gcn::MouseEvent::LEFT)
    {
        // TODO: Add guild functions, ie private messaging
        int y = event.getY();
        setSelected(y / getFont()->getHeight());
        generateAction();
    }
}