/*
 * Copyright 2008 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 "FileDialog.h"

// Qt includes
#include <QDir>
#include <QPixmap>
#include <QStringList>

// KDE includes
#include <KDirOperator>
#include <KFileDialog>
#include <KImageFilePreview>

FileDialog::FileDialog(const QSize& size) :
        KFileDialog(KUrl("kfiledialog:///image"), "", NULL)
{
    m_size = size;
    setOperationMode(KFileDialog::Opening);
    if (m_size.isValid())
    {
        setPreviewWidget(new KImageFilePreview());
        // FIXME: KDirOperator is failing here on linking :(
//         connect(findChild<KDirOperator*>(), SIGNAL(dirActivated(const KFileItem&)), this, SLOT(sizeFilter(const FileItem&)));
    }
}

void FileDialog::sizeFilter(const KFileItem& item)
{
    QString filter;
    QStringList files(QDir(item.url().path()).entryList(QStringList() << "*.png" << "*.jpg" << "*.jpeg", QDir::Files));
    for (int i = 0; i < files.size(); ++i)
    {
        if (QPixmap(files.at(i)).size() == m_size)
        {
            if (filter.length())
                filter.append(" ");
            filter.append(files.at(i));
        }
    }
    setFilter(QString("%1|Valid files").arg(filter));
}