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#include "FieldStyleFactory.h"

const QString FieldStyleFactory::DefaultStyle = "Normal";

FieldStyleFactory::FieldStyleFactory()
    {
    cardBgColor.setNamedColor("white");
    initStyles();
    }

void FieldStyleFactory::initStyles()
{
    setStyle(DefaultStyle, FieldStyle());
    setStyle("Example", {"", 14, false, false, "", "", "", true, "blue"});
    setStyle("Transcription", {"Arial", 0, false, false, "", "/", "/"});
    setStyle("Big", {"Arial", 26});
    setStyle("Color1", {"", 0, true, false, "red"});
    setStyle("Color2", {"", 0, true, false, "blue"});
}

FieldStyleFactory* FieldStyleFactory::inst()
    {
    static FieldStyleFactory factory;
    return &factory;
    }

void FieldStyleFactory::setStyle(const QString& aStyleName, FieldStyle aStyle )
    {
    styles[aStyleName] = aStyle;
    if(!stylesNames.contains( aStyleName ))
        stylesNames << aStyleName;
    }

void FieldStyleFactory::load()
{
    QSettings settings;
    settings.beginGroup("Styles");
    cardBgColor.setNamedColor(
        settings.value("bg-color", cardBgColor.name()).toString());
    foreach(QString styleName,
        settings.value("list", getStyleNames()).toStringList())
            loadStyle(settings, styleName);
    settings.endGroup();
}

void FieldStyleFactory::loadStyle(QSettings& settings, const QString& styleName)
{
    FieldStyle curStyle;
    settings.beginGroup(styleName);
    FieldStyle defaultStyle = getStyle(styleName);
    loadStyleMainProperties(settings, curStyle, defaultStyle);
    loadKeywordStyle(settings, curStyle, defaultStyle);
    settings.endGroup();
    setStyle(styleName, curStyle);
}

void FieldStyleFactory::loadStyleMainProperties(const QSettings& settings,
    FieldStyle& curStyle, const FieldStyle& defaultStyle)
{
    curStyle.font.setFamily(
        settings.value("font-family", defaultStyle.font.family()).toString());
    curStyle.font.setPointSize(
        settings.value("font-size", defaultStyle.font.pointSize()).toInt());
    curStyle.font.setBold(
        settings.value("font-bold", defaultStyle.font.bold()).toBool());
    curStyle.font.setItalic(
        settings.value("font-italic", defaultStyle.font.italic()).toBool());
    curStyle.color.setNamedColor(
        settings.value("color", defaultStyle.color.name()).toString());
    curStyle.prefix = settings.value("prefix", defaultStyle.prefix).toString();
    curStyle.suffix = settings.value("suffix", defaultStyle.suffix).toString();
    curStyle.hasKeyword = settings.value("keyword", defaultStyle.hasKeyword).toBool();
}

void FieldStyleFactory::loadKeywordStyle(const QSettings& settings, FieldStyle& curStyle,
    const FieldStyle& defaultStyle)
{
    if(!curStyle.hasKeyword)
        return;
    curStyle.keywordBold =
        settings.value("keyword/font-bold", defaultStyle.keywordBold).toBool();
    curStyle.keywordItalic =
        settings.value("keyword/font-italic", defaultStyle.keywordItalic).toBool();
    curStyle.keywordColor.setNamedColor(
        settings.value("keyword/color", defaultStyle.keywordColor.name()).toString());
}

void FieldStyleFactory::save()
    {
    QSettings settings;
    settings.beginGroup("Styles");
    settings.remove("");    // Remove old user settings
    if(cardBgColor != FieldStyleFactory().cardBgColor)
        settings.setValue("bg-color", cardBgColor.name());
    foreach(QString styleName, getStyleNames())
        saveStyle(settings, styleName);
    settings.endGroup();
    }

void FieldStyleFactory::saveStyle(QSettings& settings, const QString& styleName)
{
    const FieldStyle curStyle = getStyle(styleName);
    const FieldStyle defaultStyle = FieldStyleFactory().getStyle(styleName);
    settings.beginGroup( styleName );
    saveStyleMainProperties(settings, curStyle, defaultStyle);
    saveKeywordStyle(settings, curStyle, defaultStyle);
    settings.endGroup();
}

void FieldStyleFactory::saveStyleMainProperties(QSettings& settings, const FieldStyle& curStyle,
    const FieldStyle& defaultStyle)
{
    if(curStyle.font.family() != defaultStyle.font.family())
        settings.setValue("font-family", curStyle.font.family());
    if(curStyle.font.pointSize() != defaultStyle.font.pointSize())
        settings.setValue("font-size", curStyle.font.pointSize());
    if(curStyle.font.bold() != defaultStyle.font.bold())
        settings.setValue("font-bold", curStyle.font.bold());
    if(curStyle.font.italic() != defaultStyle.font.italic())
        settings.setValue("font-italic", curStyle.font.italic());
    if(curStyle.color != defaultStyle.color)
        settings.setValue("color", curStyle.color.name());
    if(curStyle.prefix != defaultStyle.prefix)
        settings.setValue("prefix", curStyle.prefix);
    if(curStyle.suffix != defaultStyle.suffix)
        settings.setValue("suffix", curStyle.suffix);
    if(curStyle.hasKeyword != defaultStyle.hasKeyword)
        settings.setValue("keyword", curStyle.hasKeyword);
}

void FieldStyleFactory::saveKeywordStyle(QSettings& settings, const FieldStyle& curStyle,
    const FieldStyle& defaultStyle)
{
    if(!curStyle.hasKeyword)
        return;
    if(!defaultStyle.hasKeyword ||
        curStyle.keywordBold != defaultStyle.keywordBold)
            settings.setValue("keyword/font-bold", curStyle.keywordBold);
    if(!defaultStyle.hasKeyword ||
        curStyle.keywordItalic != defaultStyle.keywordItalic)
            settings.setValue("keyword/font-italic", curStyle.keywordItalic);
    if(!defaultStyle.hasKeyword ||
        curStyle.keywordColor != defaultStyle.keywordColor)
            settings.setValue("keyword/color", curStyle.keywordColor.name());
}