kbbthememanager.cpp

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//
// KBlackBox
//
// A simple game inspired by an emacs module
//
/***************************************************************************
 *   Copyright (c) 2007, Nicolas Roffet                                    *
 *   nicolas-kde@roffet.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 St, Fifth Floor, Boston, MA 02110-1301, USA               *
 ***************************************************************************/


#include "kbbthememanager.h"

#include <QColor>
#include <QDomDocument>
#include <QFile>

#include <QStringList>


#include <kfilterdev.h>
#include <qsvgrenderer.h>


#include "kbbscalablegraphicwidget.h"



//
// Constructor / Destructor
//

KBBThemeManager::KBBThemeManager(const QString &svgzFileName)
{
    // 1. for SVG items
    m_svgRenderer.load(svgzFileName);
    
    
    // 2. for non SVG items
    QFile svgzFile(svgzFileName);
    QIODevice *f = KFilterDev::device(&svgzFile, QString::fromLatin1("application/x-gzip"), false);
    
    if (f) {
        QDomDocument doc;
        if (doc.setContent(f,true)) {
            m_root = doc.documentElement();
        }
        
        delete f;
    }
}



//
// Public
//

QColor KBBThemeManager::color(const KBBScalableGraphicWidget::itemType itemType)
{
    return QColor(value(itemType, "stroke"));
}


QString KBBThemeManager::elementId(const KBBScalableGraphicWidget::itemType itemType)
{
    QString eId;
    
    switch (itemType) {
        case KBBScalableGraphicWidget::background:
            eId = "background";
            break;
        case KBBScalableGraphicWidget::blackbox:
            eId = "blackbox";
            break;
        case KBBScalableGraphicWidget::blackboxGrid:
            eId = "blackbox_grid";
            break;
        case KBBScalableGraphicWidget::cursor:
            eId = "cursor";
            break;
        case KBBScalableGraphicWidget::informationBackground:
            eId = "information_background";
            break;
        case KBBScalableGraphicWidget::interactionInfoDeflection:
            eId = "interaction_info_deflection";
            break;
        case KBBScalableGraphicWidget::interactionInfoHit:
            eId = "interaction_info_hit";
            break;
        case KBBScalableGraphicWidget::interactionInfoNothing:
            eId = "interaction_info_nothing";
            break;
        case KBBScalableGraphicWidget::interactionInfoReflection:
            eId = "interaction_info_reflection";
            break;
        case KBBScalableGraphicWidget::interactionInfoReflectionSym:
            eId = "interaction_info_reflection_sym";
            break;
        case KBBScalableGraphicWidget::laser0:
            eId = "laser_0";
            break;
        case KBBScalableGraphicWidget::laser90:
            eId = "laser_90";
            break;
        case KBBScalableGraphicWidget::laser180:
            eId = "laser_180";
            break;
        case KBBScalableGraphicWidget::laser270:
            eId = "laser_270";
            break;
        case KBBScalableGraphicWidget::markerNothing:
            eId = "marker_nothing";
            break;
        case KBBScalableGraphicWidget::playerBall:
            eId = "player_ball";
            break;
        case KBBScalableGraphicWidget::playerRay:
            eId = "player_ray";
            break;
        case KBBScalableGraphicWidget::resultBackground:
            eId = "result_background";
            break;
        case KBBScalableGraphicWidget::resultBackgroundHighlight:
            eId = "result_background_highlight";
            break;
        case KBBScalableGraphicWidget::resultHit:
            eId = "result_hit";
            break;
        case KBBScalableGraphicWidget::resultReflection:
            eId = "result_reflection";
            break;
        case KBBScalableGraphicWidget::rightPlayerBall:
            eId = "right_player_ball";
            break;
        case KBBScalableGraphicWidget::solutionBall:
            eId = "solution_ball";
            break;
        case KBBScalableGraphicWidget::solutionRay:
            eId = "solution_ray";
            break;
        case KBBScalableGraphicWidget::tutorialMarker:
            eId = "tutorial_marker";
            break;
        case KBBScalableGraphicWidget::unsureBall:
            eId = "unsure_ball";
            break;
        case KBBScalableGraphicWidget::wrongPlayerBall:
            eId = "wrong_player_ball";
            break;
        default:
            eId = "none";
            break;
    }
    
    return eId;
}


Qt::PenStyle KBBThemeManager::style(const KBBScalableGraphicWidget::itemType itemType)
{
    if (value(itemType, "stroke-dasharray")=="none") {
        return Qt::SolidLine;
    } else
        return Qt::DotLine;
}


QSvgRenderer* KBBThemeManager::svgRenderer()
{
    return &m_svgRenderer;
}


qreal KBBThemeManager::width(const KBBScalableGraphicWidget::itemType itemType)
{
    return value(itemType, "stroke-width").toFloat();
}


int KBBThemeManager::zValue(const KBBScalableGraphicWidget::itemType itemType)
{
    return itemType;
}



//
// Private
//

QString KBBThemeManager::value(const KBBScalableGraphicWidget::itemType itemType, const QString &styleElement)
{
    const QString id = elementId(itemType);
    QString style("");
    QString v("");
    
    QDomNode node = m_root.firstChild();
    while(!node.isNull()) {
        if (node.toElement().attribute("id") == id)
            style = node.toElement().attribute("style");
        node = node.nextSibling();
    }
    
    QStringList styleList = style.split(';');
    for (int i = 0; i < styleList.size(); i++) {
        styleList.replace(i, styleList.at(i).trimmed());
        if (styleList.at(i).startsWith(styleElement + ':')) {
            QString s = styleList.at(i);
            v = s.right(s.length()-styleElement.length()-1);
        }
    }
    
    return v;
}