/*
 * 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 "MapWarpUI.h"

// Sigmodr core widget includes
#include <sigmodr/corewidgets/ScriptWidget.h>

// Sigmod includes
#include <sigmod/Game.h>
#include <sigmod/Map.h>
#include <sigmod/MapWarp.h>

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

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

using namespace Sigcore;
using namespace Sigmod;
using namespace Sigmodr::CoreWidgets;
using namespace Sigmodr::Widgets;

MapWarpUI::MapWarpUI(MapWarp* warp, QWidget* parent) :
        ObjectUI(parent),
        m_lastMap(-1)
{
    setObjects(warp, new MapWarp(*warp));
}

void MapWarpUI::initGui()
{
    QFile file(":/gui/mapwarp.ui");
    file.open(QFile::ReadOnly);
    QWidget *formWidget = QUiLoader().load(&file, this);
    file.close();
    ui_name = formWidget->findChild<KLineEdit*>("varName");
    ui_type = formWidget->findChild<KComboBox*>("varType");
    ui_toMap = formWidget->findChild<KComboBox*>("varToMap");
    ui_toWarp = formWidget->findChild<KComboBox*>("varToWarp");
    ui_script = formWidget->findChild<ScriptWidget*>("varScript");
    connect(ui_name, SIGNAL(textChanged(QString)), this, SLOT(nameChanged(QString)));
    connect(ui_type, SIGNAL(currentIndexChanged(int)), this, SLOT(typeChanged(int)));
    connect(ui_toMap, SIGNAL(currentIndexChanged(int)), this, SLOT(toMapChanged(int)));
    connect(ui_toWarp, SIGNAL(currentIndexChanged(int)), this, SLOT(toWarpChanged(int)));
    connect(ui_script, SIGNAL(valueChanged(Sigcore::Script)), this, SLOT(scriptChanged(Sigcore::Script)));
    QVBoxLayout* layout = new QVBoxLayout;
    layout->addWidget(formWidget);
    setLayout(layout);
    ui_type->addItems(MapWarp::TypeStr);
}

void MapWarpUI::refreshGui()
{
    const bool blocked = ui_toMap->blockSignals(true);
    ui_toMap->clear();
    for (int i = 0; i < game()->mapCount(); ++i)
        ui_toMap->addItem(game()->map(i)->name());
    ui_toMap->blockSignals(blocked);
}

void MapWarpUI::setGui()
{
    const bool resetWarps = (qobject_cast<MapWarp*>(modified())->toMap() != m_lastMap);
    ui_name->setText(qobject_cast<MapWarp*>(modified())->name());
    ui_type->setCurrentIndex(qobject_cast<MapWarp*>(modified())->type());
    ui_toMap->setCurrentIndex(game()->mapIndex(qobject_cast<MapWarp*>(modified())->toMap()));
    m_lastMap = qobject_cast<MapWarp*>(modified())->toMap();
    const Map* map = game()->mapById(qobject_cast<MapWarp*>(modified())->toMap());
    if (resetWarps)
    {
        const bool blocked = ui_toWarp->blockSignals(true);
        ui_toWarp->clear();
        if (map)
        {
            for (int i = 0; i < map->warpCount(); ++i)
                ui_toWarp->addItem(map->warp(i)->name());
        }
        ui_toWarp->blockSignals(blocked);
    }
    if (map)
        ui_toWarp->setCurrentIndex(map->warpIndex(qobject_cast<MapWarp*>(modified())->toWarp()));
    else
        ui_toWarp->setCurrentIndex(-1);
    ui_script->setValue(qobject_cast<MapWarp*>(modified())->script());
}

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

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

void MapWarpUI::nameChanged(const QString& name)
{
    const int cursor = ui_name->cursorPosition();
    qobject_cast<MapWarp*>(modified())->setName(name);
    ui_name->setCursorPosition(cursor);
}

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

void MapWarpUI::toMapChanged(const int toMap)
{
    qobject_cast<MapWarp*>(modified())->setToMap(game()->map(toMap)->id());
}

void MapWarpUI::toWarpChanged(const int toWarp)
{
    const Map* map = game()->map(qobject_cast<MapWarp*>(modified())->toMap());
    if (map)
        qobject_cast<MapWarp*>(modified())->setToWarp(map->warp(toWarp)->id());
}

void MapWarpUI::scriptChanged(const Script& script)
{
    qobject_cast<MapWarp*>(modified())->setScript(script);
}