/***************************************************************************
 *   Copyright (C) 2007 by Joris Guisson and Ivan Vasic                    *
 *   joris.guisson@gmail.com                                               *
 *   ivasic@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 2 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, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.          *
 ***************************************************************************/
#include "chunkdownloadview.h"

#include <QHeaderView>
#include <QSortFilterProxyModel>
#include <klocale.h>
#include <interfaces/torrentinterface.h>
#include <interfaces/torrentfileinterface.h>
#include <interfaces/chunkdownloadinterface.h>
#include <util/functions.h>
#include <util/log.h>
#include <util/itemselectionmodel.h>
#include "chunkdownloadmodel.h"

using namespace bt;

namespace kt
{
	

	ChunkDownloadView::ChunkDownloadView(QWidget* parent) : QWidget(parent),curr_tc(0)
	{
		setupUi(this);
		model = new ChunkDownloadModel(this);
		ItemSelectionModel* sm = new ItemSelectionModel(model,this);
		m_chunk_view->setModel(model);
		m_chunk_view->setSelectionModel(sm);
		connect(model,SIGNAL(sorted()),sm,SLOT(sorted()));
		
		m_chunk_view->setRootIsDecorated(false);
		m_chunk_view->setSortingEnabled(true);
		m_chunk_view->setAlternatingRowColors(true);
		m_chunk_view->setUniformRowHeights(true);
	}

	ChunkDownloadView::~ChunkDownloadView()
	{
	}

	void ChunkDownloadView::downloadAdded(ChunkDownloadInterface* cd)
	{
		model->downloadAdded(cd);
	}

	void ChunkDownloadView::downloadRemoved(ChunkDownloadInterface* cd)
	{
		model->downloadRemoved(cd);
	}

	void ChunkDownloadView::update()
	{
		if (!curr_tc)
			return;

		model->update();
		const TorrentStats & s = curr_tc->getStats();
		m_chunks_downloading->setText(QString::number(s.num_chunks_downloading));
		m_chunks_downloaded->setText(QString::number(s.num_chunks_downloaded));
		m_excluded_chunks->setText(QString::number(s.num_chunks_excluded));
		m_chunks_left->setText(QString::number(s.num_chunks_left));
	}

	void ChunkDownloadView::changeTC(TorrentInterface* tc)
	{
		curr_tc = tc;
		if (!curr_tc)
		{
			setEnabled(false);
		}
		else
		{
			setEnabled(true);
			const TorrentStats & s = curr_tc->getStats();
			m_total_chunks->setText(QString::number(s.total_chunks));
			m_size_chunks->setText(BytesToString(s.chunk_size));
		}
		model->changeTC(tc);
	}

	void ChunkDownloadView::removeAll()
	{
		model->clear();
	}

	void ChunkDownloadView::saveState(KSharedConfigPtr cfg)
	{
		KConfigGroup g = cfg->group("ChunkDownloadView");
		QByteArray s = m_chunk_view->header()->saveState();
		g.writeEntry("state",s.toBase64());
	}
	
	void ChunkDownloadView::loadState(KSharedConfigPtr cfg)
	{
		KConfigGroup g = cfg->group("ChunkDownloadView");
		QByteArray s = QByteArray::fromBase64(g.readEntry("state",QByteArray()));
		if (!s.isNull())
		{
			QHeaderView* v = m_chunk_view->header();
			v->restoreState(s);
			m_chunk_view->sortByColumn(v->sortIndicatorSection(),v->sortIndicatorOrder());
			model->sort(v->sortIndicatorSection(),v->sortIndicatorOrder());
		}
	}
}

#include "chunkdownloadview.moc"
