/////////////////////////////////////////////////////////////////////////////
// Name:        pokegen/FileDialog.cpp
// Purpose:     Dialog to open files
// Author:      Ben Boeckel
// Modified by: Ben Boeckel
// Created:     Fri Feb 1 08:34:34 2008
// Copyright:   ©2007-2008 Ben Boeckel and Nerdy Productions
// Licence:
//    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/>.
/////////////////////////////////////////////////////////////////////////////

#include <kdiroperator.h>
#include <kfilewidget.h>
#include <kimagefilepreview.h>

#include <QDir>
#include <QImage>
#include <QStringList>

#include "FileDialog.h"

KUrl FileDialog::latestDir = KUrl();

FileDialog::FileDialog(const QString& filter, const QSize& imgSize) :
        QObject(NULL),
        dlg(NULL)
{
    if (latestDir == "")
        latestDir = KUrl(QString("%1/.kde/share/apps/pokegen/images").arg(QDir::homePath()));
    size = imgSize;
    dlg = new KFileDialog(latestDir, filter, NULL);
    dlg->setOperationMode(KFileDialog::Opening);
    if (size.isValid())
    {
        dlg->setPreviewWidget(new KImageFilePreview());
        connect(static_cast<KFileWidget*>(dlg->fileWidget())->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", QDir::Files));
    for (int i = 0; i < files.size(); ++i)
    {
        if (QImage(files.at(i)).size() == size)
        {
            if (filter.length())
                filter.append(" ");
            filter.append(files.at(i));
        }
    }
    filter.append("|Valid PNG Files");
    dlg->setFilter(filter);
}