/*
 * 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 "SigmodrTree.h"

// Sigmodr tree includes
#include "BaseModel.h"
#include "SigmodrTreeModel.h"

// Sigmodr widget includes
#include <sigmodr/widgets/ObjectUI.h>

// Sigmod includes
#include <sigmod/Game.h>
#include <sigmod/Object.h>

// Qt includes
#include <QtGui/QHeaderView>

using namespace Sigmod;
using namespace Sigmodr::Widgets;
using namespace Sigmodr::Tree;

SigmodrTree::SigmodrTree(QWidget* parent) :
        QTreeView(parent)
{
    SigmodrTreeModel* model = new SigmodrTreeModel(this);
    connect(model, SIGNAL(dirty(const Sigmod::Game*, bool)), this, SLOT(setDirty(const Sigmod::Game*, bool)));
    header()->hide();
    setModel(model);
    setRootIndex(model->index(-1, 0, QModelIndex()));
}

QString SigmodrTree::description(const QModelIndex& index)
{
    QString type = model()->data(index, BaseModel::TypeRole).toString();
    QString name = model()->data(index, Qt::DisplayRole).toString();
    if (type.isEmpty() && name.isEmpty())
        return "";
    return QString("%1: %2").arg(type).arg(name);
}

ObjectUI* SigmodrTree::editorWidget(const QModelIndex& index)
{
    ObjectUI* widget = qobject_cast<ObjectUI*>(model()->data(index, BaseModel::WidgetRole).value<QWidget*>());
    return widget;
}

KMenu* SigmodrTree::contextMenu(const QModelIndex& index)
{
    return model()->data(index, BaseModel::ContextMenuRole).value<KMenu*>();
}

const Game* SigmodrTree::currentGame() const
{
    QModelIndex index = currentIndex();
    if (index.isValid())
    {
        const Object* object = static_cast<BaseModel*>(index.internalPointer())->object();
        if (object)
            return object->game();
    }
    return NULL;
}

QDomDocument SigmodrTree::copy(const QModelIndex& index)
{
    QDomDocument xml;
    xml.setContent(model()->data(index, BaseModel::XmlRole).toString());
    return xml;
}

void SigmodrTree::paste(const QModelIndex& index, const QDomDocument& data)
{
    model()->setData(index, data.toString(), BaseModel::XmlRole);
}

QList<const Game*> SigmodrTree::openedGames() const
{
    return m_games.keys();
}

void SigmodrTree::addGame(Game* game, const KUrl& url)
{
    qobject_cast<SigmodrTreeModel*>(model())->addGame(game);
    m_games[game] = UrlDirty(url, false);
}

void SigmodrTree::deleteGame(const Game* game)
{
    if (m_games.contains(game))
    {
        qobject_cast<SigmodrTreeModel*>(model())->deleteGame(game);
        m_games.remove(game);
    }
}

bool SigmodrTree::isOpen(const KUrl& url) const
{
    foreach (const UrlDirty& pair, m_games.values())
    {
        if (url == pair.first)
            return true;
    }
    return false;
}

KUrl SigmodrTree::url(const Game* game) const
{
    if (m_games.contains(game))
        return m_games[game].first;
    return KUrl();
}

QStringList SigmodrTree::urls() const
{
    QStringList urls;
    foreach (const UrlDirty& pair, m_games.values())
        urls << pair.first.prettyUrl();
    return urls;
}

void SigmodrTree::setUrl(const Game* game, const KUrl& url)
{
    if (m_games.contains(game))
        m_games[game] = UrlDirty(url, false);
}

bool SigmodrTree::dirty(const Game* game) const
{
    if (m_games.contains(game))
        return m_games[game].second;
    return false;
}

bool SigmodrTree::dirty() const
{
    return dirty(currentGame());
}

void SigmodrTree::setDirty(const Game* game, const bool dirty)
{
    if (m_games.contains(game))
        m_games[game].second = dirty;
}

void SigmodrTree::setDirty()
{
    setDirty(currentGame(), true);
}