/*
 * 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 "SpriteUI.h"

// Sigmod includes
#include <sigmod/Sigmod.h>
#include <sigmod/Sprite.h>

// KDE includes
#include <KFileDialog>
#include <KImageFilePreview>
#include <KLineEdit>
#include <KMessageBox>
#include <KPushButton>
#include <KIO/NetAccess>

// Qt includes
#include <QtCore/QFile>
#include <QtGui/QLabel>
#include <QtUiTools/QUiLoader>

Sigmodr::Widgets::SpriteUI::SpriteUI(Sigmod::Sprite* sprite, QWidget* parent) :
        ObjectUI(parent)
{
    setObjects(sprite, new Sigmod::Sprite(*sprite));
}

void Sigmodr::Widgets::SpriteUI::initGui()
{
    QFile file(":/gui/sprite.ui");
    file.open(QFile::ReadOnly);
    QWidget *formWidget = QUiLoader().load(&file, this);
    file.close();
    ui_name = formWidget->findChild<KLineEdit*>("varName");
    ui_sprite = formWidget->findChild<QLabel*>("varSprite");
    KPushButton* buttonBrowse = formWidget->findChild<KPushButton*>("buttonBrowse");
    connect(ui_name, SIGNAL(textChanged(QString)), this, SLOT(nameChanged(QString)));
    connect(buttonBrowse, SIGNAL(toggled(bool)), this, SLOT(browse()));
    buttonBrowse->setIcon(KIcon("document-open"));
}

void Sigmodr::Widgets::SpriteUI::setGui()
{
    ui_name->setText(qobject_cast<Sigmod::Sprite*>(modified())->name());
    QPixmap icon;
    icon.loadFromData(qobject_cast<Sigmod::Sprite*>(modified())->sprite());
    ui_sprite->setPixmap(icon);
}

void Sigmodr::Widgets::SpriteUI::apply()
{
    *qobject_cast<Sigmod::Sprite*>(original()) = *qobject_cast<Sigmod::Sprite*>(modified());
    emit(changed(false));
}

void Sigmodr::Widgets::SpriteUI::discard()
{
    *qobject_cast<Sigmod::Sprite*>(modified()) = *qobject_cast<Sigmod::Sprite*>(original());
    setGui();
    emit(changed(false));
}

void Sigmodr::Widgets::SpriteUI::nameChanged(const QString& name)
{
    const int cursor = ui_name->cursorPosition();
    qobject_cast<Sigmod::Sprite*>(modified())->setName(name);
    ui_name->setCursorPosition(cursor);
}

void Sigmodr::Widgets::SpriteUI::browse()
{
    KFileDialog* dialog = new KFileDialog(KUrl("kfiledialog:///image"), "image/png image/jpeg image/tiff image/bmp image/gif", this);
    dialog->setCaption("Use Image File");
    dialog->setOperationMode(KFileDialog::Opening);
    dialog->setPreviewWidget(new KImageFilePreview);
    if (dialog->exec() == QDialog::Accepted)
    {
        KUrl url = dialog->selectedFile();
        if (url.isValid())
        {
            QString path;
            bool load = true;
            bool removeTempFile = false;
            if (url.isLocalFile())
                path = url.path();
            else
            {
                if (KIO::NetAccess::download(url, path, this))
                    removeTempFile = true;
                else
                {
                    KMessageBox::error(this, KIO::NetAccess::lastErrorString(), "KIO Error");
                    load = false;
                }
            }
            if (load)
            {
                QImage image(url.path());
                QByteArray bytes;
                QBuffer buffer(&bytes);
                buffer.open(QIODevice::WriteOnly);
                image.save(&buffer);
                qobject_cast<Sigmod::Sprite*>(modified())->setSprite(bytes);
                setGui();
            }
            if (removeTempFile)
                KIO::NetAccess::removeTempFile(path);
        }
        else
            KMessageBox::error(this, "The URL is not valid", "Malformed URL");
    }
    delete dialog;
}