C++ KoShapeLoadingContext::sharedData方法代码示例

KoTextLoader::KoTextLoader(KoShapeLoadingContext &context)
        : QObject()
        , d(new Private(context))
{
    KoSharedLoadingData *sharedData = context.sharedData(KOTEXT_SHARED_LOADING_ID);
    if (sharedData) {
        d->textSharedData = dynamic_cast<KoTextSharedLoadingData *>(sharedData);
    }

    kDebug(32500) << "sharedData" << sharedData << "textSharedData" << d->textSharedData;

    if (!d->textSharedData) {
        d->textSharedData = new KoTextSharedLoadingData();
        // TODO pass style manager so that on copy and paste we can recognice the same styles
        d->textSharedData->loadOdfStyles(context.odfLoadingContext(), 0);
        if (!sharedData) {
            context.addSharedData(KOTEXT_SHARED_LOADING_ID, d->textSharedData);
        } else {
            kWarning(32500) << "A different type of sharedData was found under the" << KOTEXT_SHARED_LOADING_ID;
            Q_ASSERT(false);
        }
    }
}

void KoListLevelProperties::loadOdf(KoShapeLoadingContext& scontext, const KoXmlElement& style)
{
    KoOdfLoadingContext &context = scontext.odfLoadingContext();

    // The text:level attribute specifies the level of the number list
    // style. It can be used on all list-level styles.
    const int level = qMax(1, style.attributeNS(KoXmlNS::text, "level", QString()).toInt());
    // The text:display-levels attribute specifies the number of
    // levels whose numbers are displayed at the current level.
    const QString displayLevel = style.attributeNS(KoXmlNS::text,
                                 "display-levels", QString());

    const QString styleName = style.attributeNS(KoXmlNS::text, "style-name", QString());
    KoCharacterStyle *cs = 0;
    if (!styleName.isEmpty()) {
//         kDebug(32500) << "Should use the style =>" << styleName << "<=";

        KoSharedLoadingData *sharedData = scontext.sharedData(KOTEXT_SHARED_LOADING_ID);
        KoTextSharedLoadingData *textSharedData = 0;
        if (sharedData) {
            textSharedData = dynamic_cast<KoTextSharedLoadingData *>(sharedData);
        }
        if (textSharedData) {
            cs = textSharedData->characterStyle(styleName, context.useStylesAutoStyles());
            if (!cs) {
               kWarning(32500) << "Missing KoCharacterStyle!";
            }
            else {
//                kDebug(32500) << "==> cs.name:" << cs->name();
//                kDebug(32500) << "==> cs.styleId:" << cs->styleId();
                setCharacterStyleId(cs->styleId());
            }
        }
    }

    if (style.localName() == "list-level-style-bullet") {   // list with bullets
        // special case bullets:
        //qDebug() << QChar(0x2202) << QChar(0x25CF) << QChar(0xF0B7) << QChar(0xE00C)
        //<< QChar(0xE00A) << QChar(0x27A2)<< QChar(0x2794) << QChar(0x2714) << QChar(0x2d) << QChar(0x2717);

        //1.6: KoParagCounter::loadOasisListStyle
        QString bulletChar = style.attributeNS(KoXmlNS::text, "bullet-char", QString());
//         kDebug(32500) << "style.localName()=" << style.localName() << "level=" << level << "displayLevel=" << displayLevel << "bulletChar=" << bulletChar;
        if (bulletChar.isEmpty()) {  // list without any visible bullets
            setStyle(KoListStyle::CustomCharItem);
            setBulletCharacter(QChar());
        } else { // try to determinate the bullet we should use
            switch (bulletChar[0].unicode()) {
            case 0x2022: // bullet, a small disc -> circle
                setStyle(KoListStyle::Bullet);
                break;
            case 0x25CF: // black circle, large disc -> disc
                setStyle(KoListStyle::BlackCircle);
                break;
            case 0x25CB:           //white circle, no fill
                setStyle(KoListStyle::CircleItem);
                break;
            case 0x25C6: // losange => rhombus
                setStyle(KoListStyle::RhombusItem);
                break;
            case 0x25A0: // square. Not in OASIS (reserved Unicode area!), but used in both OOo and kotext.
                setStyle(KoListStyle::SquareItem);
                break;
            case 0x27A2: // two-colors right-pointing triangle
                setStyle(KoListStyle::RightArrowHeadItem);
                break;
            case 0x2794: // arrow to right
                setStyle(KoListStyle::RightArrowItem);
                break;
            case 0x2714: // checkmark
                setStyle(KoListStyle::HeavyCheckMarkItem);
                break;
            case 0x2d: // minus
                setStyle(KoListStyle::CustomCharItem);
                break;
            case 0x2717: // cross
                setStyle(KoListStyle::BallotXItem);
                break;
            default:
                QChar customBulletChar = bulletChar[0];
                kDebug(32500) << "Unhandled bullet code 0x" << QString::number((uint)customBulletChar.unicode(), 16) << bulletChar;
                kDebug(32500) << "Should use the style =>" << style.attributeNS(KoXmlNS::text, "style-name", QString()) << "<=";
                setStyle(KoListStyle::CustomCharItem);
                /*
                QString customBulletFont;
                // often StarSymbol when it comes from OO; doesn't matter, Qt finds it in another font if needed.
                if ( listStyleProperties.hasAttributeNS( KoXmlNS::style, "font-name" ) )
                {
                    customBulletFont = listStyleProperties.attributeNS( KoXmlNS::style, "font-name", QString() );
                    kDebug(32500) <<"customBulletFont style:font-name =" << listStyleProperties.attributeNS( KoXmlNS::style,"font-name", QString() );
                }
                else if ( listStyleTextProperties.hasAttributeNS( KoXmlNS::fo, "font-family" ) )
                {
                    customBulletFont = listStyleTextProperties.attributeNS( KoXmlNS::fo, "font-family", QString() );
                    kDebug(32500) <<"customBulletFont fo:font-family =" << listStyleTextProperties.attributeNS( KoXmlNS::fo,"font-family", QString() );
                }
                // ## TODO in fact we're supposed to read it from the style pointed to by text:style-name
                */
//                     setStyle(KoListStyle::BoxItem); //fallback
                break;
//.........这里部分代码省略.........

bool KPrPlaceholderTextStrategy::loadOdf( const KoXmlElement & element, KoShapeLoadingContext & context )
{
    if (KoTextSharedLoadingData *textSharedData = dynamic_cast<KoTextSharedLoadingData *>(context.sharedData(KOTEXT_SHARED_LOADING_ID))) {
        KoShapeFactoryBase *factory = KoShapeRegistry::instance()->value("TextShapeID");
        Q_ASSERT(factory);
        delete m_textShape;
        m_textShape = factory->createDefaultShape(context.documentResourceManager());

        KoTextShapeData *shapeData = qobject_cast<KoTextShapeData*>(m_textShape->userData());
        shapeData->document()->setUndoRedoEnabled(false);

        QTextDocument *document = shapeData->document();
        QTextCursor cursor(document);
        QTextBlock block = cursor.block();

        const QString styleName = element.attributeNS(KoXmlNS::presentation, "style-name");
        if (!styleName.isEmpty()) {
            const KoXmlElement *style = context.odfLoadingContext().stylesReader().findStyle(styleName, "presentation", context.odfLoadingContext().useStylesAutoStyles());

            if (style) {
                KoParagraphStyle paragraphStyle;
                paragraphStyle.loadOdf(style, context);
                paragraphStyle.applyStyle(block, false); // TODO t.zachmann is the false correct?
            }
        }

        const QString textStyleName = element.attributeNS(KoXmlNS::draw, "text-style-name");
        if (!textStyleName.isEmpty()) {
            KoParagraphStyle *style = textSharedData->paragraphStyle(textStyleName, context.odfLoadingContext().useStylesAutoStyles());
            if (style) {
                style->applyStyle(block, false); // TODO t.zachmann is the false correct?
            }
        }

        cursor.insertText(text());
        shapeData->setDirty();
        shapeData->document()->setUndoRedoEnabled(true);
    }
    return true;
}