/*
 * Copyright 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 "ClassModel.h"

// Sigtools includes
#include "PluginModel.h"

// KDE includes
#include <KColorScheme>
#include <KGlobalSettings>
#include <KIcon>

// Qt includes
#include <QtCore/QSize>
#include <QtGui/QFontMetrics>
#include <QtGui/QPainter>

using namespace Sigtools;

ClassModel::ClassModel(const QIcon& icon, const QString& name, const QString& description, PluginModel* parent) :
        BaseModel(parent),
        m_icon(icon),
        m_name(name),
        m_description(description)
{
}

int ClassModel::rowCount() const
{
    return 0;
}

Qt::ItemFlags ClassModel::flags() const
{
    return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
}

BaseModel* ClassModel::childItem(const int row)
{
    Q_UNUSED(row)
    return NULL;
}

int ClassModel::findChild(BaseModel* model) const
{
    Q_UNUSED(model)
    return -1;
}

void ClassModel::redraw(const int width) const
{
    QFontMetrics regMetrics(KGlobalSettings::generalFont());
    QFont smallFont = KGlobalSettings::smallestReadableFont();
    smallFont.setItalic(true);
    QFontMetrics smallMetrics(smallFont);
    
    QSize nameSize = regMetrics.size(0, m_name);
    
    int maxWidth = qMax(nameSize.width() + nameSize.width() + horizSpacing, width);
    
    QSize descSize = smallMetrics.boundingRect(QRect(0, 0, maxWidth, 0), Qt::TextWordWrap, m_description).size();
    
    int maxHeight = nameSize.height() + descSize.height() + vertSpacing;
    
    m_pixmap = QPixmap(maxWidth + 2 * borderWidth, maxHeight + 2 * borderWidth);
    m_pixmap.fill(KStatefulBrush(KColorScheme::View, KColorScheme::NormalBackground).brush(QPalette::Normal).color());
    QPainter painter(&m_pixmap);
    
    int h = borderWidth;
    int w = borderWidth;
    
    painter.drawPixmap(w, h, KIcon(m_icon).pixmap(nameSize.height(), nameSize.height()));
    
    w += nameSize.height();
    w += horizSpacing;
    
    painter.drawText(QRect(QPoint(w, h), QSize(maxWidth - w, nameSize.height())), Qt::AlignBottom | Qt::AlignLeft, m_name);
    
    w = borderWidth;
    h += nameSize.height();
    h += vertSpacing;
    
    painter.setFont(smallFont);
    painter.drawText(QRect(QPoint(w, h), descSize), Qt::AlignBottom | Qt::AlignLeft | Qt::TextWordWrap, m_description);
}