/***************************************************************************
 *   Copyright (C) 2008 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 <kicon.h>
#include "filterlistmodel.h"
#include "filter.h"

namespace kt 
{

	FilterListModel::FilterListModel(QObject* parent)
	: QAbstractListModel(parent)
	{
	}


	FilterListModel::~FilterListModel()
	{
	}
	
	void FilterListModel::addFilter(Filter* f)
	{
		filters.append(f);
		insertRow(filters.count() - 1);
	}
	
	void FilterListModel::removeFilter(Filter* f)
	{
		filters.removeAll(f);
		int idx = filters.indexOf(f);
		if (idx < 0)
			removeRow(idx);
		else
			reset();
	}
	
	Filter* FilterListModel::filterForIndex(const QModelIndex & idx)
	{
		if (!idx.isValid())
			return 0;
		
		return filters.at(idx.row());
	}
	
	Filter* FilterListModel::filterByName(const QString & name)
	{
		foreach (Filter* f,filters)
			if (f->filterName() == name)
				return f;
		
		return 0;
	}
	
	Filter* FilterListModel::filterByID(const QString & id)
	{
		foreach (Filter* f,filters)
			if (f->filterID() == id)
				return f;
		
		return 0;
	}
	
	Filter* FilterListModel::filterByRow(int row)
	{
		if (row < 0 || row >= filters.count())
			return 0;
		else
			return filters.at(row);
	}

	int FilterListModel::rowCount(const QModelIndex & parent) const
	{
		if (parent.isValid())
			return 0;
		else
			return filters.count();
	}
	
	QVariant FilterListModel::data(const QModelIndex & index, int role) const
	{
		if (!index.isValid() || index.row() < 0 || index.row() >= filters.count())
			return QVariant();
		
		Filter* f = filters.at(index.row());
		if (!f)
			return QVariant();
		
		switch (role)
		{
			case Qt::DisplayRole:
				return f->filterName();
			case Qt::DecorationRole:
				return KIcon("view-filter");
		}
			
		return QVariant();
	}
	
	bool FilterListModel::removeRows(int row,int count,const QModelIndex & parent)
	{
		Q_UNUSED(parent);
		beginRemoveRows(QModelIndex(),row,row + count - 1);
		endRemoveRows();
		return true;
	}
	
	bool FilterListModel::insertRows(int row,int count,const QModelIndex & parent)
	{
		Q_UNUSED(parent);
		beginInsertRows(QModelIndex(),row,row + count - 1);
		endInsertRows();
		return true;
	}
	
	void FilterListModel::clear()
	{
		filters.clear();
		reset();
	}
}
