/*
 * Copyright 2008-2009 Ben Boeckel <MathStuf@gmail.com>
 * 
 * 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 3 of the License, or
 * (at your option) 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, see <http://www.gnu.org/licenses/>.
 */

// Header include
#include "CoinListItemUI.h"

// Sigmod includes
#include <sigmod/CoinListItem.h>
#include <sigmod/Game.h>
#include <sigmod/Item.h>
#include <sigmod/Species.h>

// KDE includes
#include <KComboBox>
#include <KIntNumInput>

// Qt includes
#include <QtCore/QFile>
#include <QtGui/QButtonGroup>
#include <QtGui/QRadioButton>
#include <QtGui/QVBoxLayout>
#include <QtUiTools/QUiLoader>

using namespace Sigmod;
using namespace Sigmodr::Widgets;

CoinListItemUI::CoinListItemUI(CoinListItem* item, QWidget* parent) :
        ObjectUI(parent),
        ui_type(new QButtonGroup(this)),
        m_lastType(-1)
{
    setObjects(item, new CoinListItem(*item));
}

void CoinListItemUI::initGui()
{
    QFile file(":/gui/coinlistitem.ui");
    file.open(QFile::ReadOnly);
    QWidget *formWidget = QUiLoader().load(&file, this);
    file.close();
    QRadioButton* item = formWidget->findChild<QRadioButton*>("varItem");
    QRadioButton* species = formWidget->findChild<QRadioButton*>("varSpecies");
    ui_object = formWidget->findChild<KComboBox*>("varObject");
    ui_cost = formWidget->findChild<KIntNumInput*>("varCost");
    ui_type->addButton(item, CoinListItem::Item);
    ui_type->addButton(species, CoinListItem::Species);
    connect(ui_type, SIGNAL(buttonClicked(int)), this, SLOT(typeChanged(int)));
    connect(ui_object, SIGNAL(currentIndexChanged(int)), this, SLOT(objectChanged(int)));
    connect(ui_cost, SIGNAL(valueChanged(int)), this, SLOT(costChanged(int)));
    QVBoxLayout* layout = new QVBoxLayout;
    layout->addWidget(formWidget);
    setLayout(layout);
}

void CoinListItemUI::setGui()
{
    bool resetObjects = (qobject_cast<CoinListItem*>(modified())->type() != m_lastType);
    ui_type->button(qobject_cast<CoinListItem*>(modified())->type())->setChecked(true);
    m_lastType = qobject_cast<CoinListItem*>(modified())->type();
    if (resetObjects)
    {
        const bool blocked = ui_object->blockSignals(true);
        ui_object->clear();
        if (qobject_cast<CoinListItem*>(modified())->type() == CoinListItem::Item)
        {
            for (int i = 0; i < game()->itemCount(); ++i)
                ui_object->addItem(game()->item(i)->name());
        }
        else
        {
            for (int i = 0; i < game()->speciesCount(); ++i)
                ui_object->addItem(game()->species(i)->name());
        }
        ui_object->blockSignals(blocked);
    }
    if (m_lastType == CoinListItem::Item)
        ui_object->setCurrentIndex(game()->itemIndex(qobject_cast<CoinListItem*>(modified())->object()));
    else
        ui_object->setCurrentIndex(game()->speciesIndex(qobject_cast<CoinListItem*>(modified())->object()));
    ui_cost->setValue(qobject_cast<CoinListItem*>(modified())->cost());
}

void CoinListItemUI::apply()
{
    *qobject_cast<CoinListItem*>(original()) = *qobject_cast<CoinListItem*>(modified());
    emit(changed(false));
}

void CoinListItemUI::discard()
{
    *qobject_cast<CoinListItem*>(modified()) = *qobject_cast<CoinListItem*>(original());
    setGui();
    emit(changed(false));
}

void CoinListItemUI::typeChanged(const int type)
{
    qobject_cast<CoinListItem*>(modified())->setType(static_cast<CoinListItem::Type>(type));
}

void CoinListItemUI::objectChanged(const int object)
{
    if (0 <= object)
    {
        if (qobject_cast<CoinListItem*>(modified())->type() == CoinListItem::Item)
            qobject_cast<CoinListItem*>(modified())->setObject(game()->item(object)->id());
        else
            qobject_cast<CoinListItem*>(modified())->setObject(game()->species(object)->id());
    }
}

void CoinListItemUI::costChanged(const int cost)
{
    qobject_cast<CoinListItem*>(modified())->setCost(cost);
}