C++ ModelNode::model方法代码示例

void ModelMerger::replaceModel(const ModelNode &modelNode)
{
        view()->model()->changeImports(modelNode.model()->imports(), QList<Import>());
        view()->model()->setFileUrl(modelNode.model()->fileUrl());

    try {
        RewriterTransaction transaction(view()->beginRewriterTransaction());

        ModelNode rootNode(view()->rootModelNode());

        foreach (const QString &propertyName, rootNode.propertyNames())
            rootNode.removeProperty(propertyName);

        QHash<QString, QString> idRenamingHash;
        setupIdRenamingHash(modelNode, idRenamingHash, view());

        syncVariantProperties(rootNode, modelNode);
        syncBindingProperties(rootNode, modelNode, idRenamingHash);
        syncId(rootNode, modelNode, idRenamingHash);
        syncNodeProperties(rootNode, modelNode, idRenamingHash, view());
        syncNodeListProperties(rootNode, modelNode, idRenamingHash, view());
        m_view->changeRootNodeType(modelNode.type(), modelNode.majorVersion(), modelNode.minorVersion());
    } catch (RewritingException &e) { 
        qWarning() << e.description(); //silent error
    }
}

bool ModelNode::setObjectValue(const QScriptValue& valuemap, bool writeToCache)
{
    bool emitItemsChanged = false;

    QScriptValueIterator it(valuemap);
    while (it.hasNext()) {
        it.next();
        ModelNode *prev = properties.value(it.name());
        ModelNode *value = new ModelNode(m_model);
        QScriptValue v = it.value();

        if (v.isArray()) {
            value->isArray = true;
            value->setListValue(v);
            if (writeToCache && objectCache)
                objectCache->setValue(it.name().toUtf8(), QVariant::fromValue(value->model(m_model)));
            emitItemsChanged = true;    // for now, too inefficient to check whether list and sublists have changed
        } else {
            value->values << v.toVariant();
            if (writeToCache && objectCache)
                objectCache->setValue(it.name().toUtf8(), value->values.last());
            if (!emitItemsChanged && prev && prev->values.count() == 1
                    && prev->values[0] != value->values.last()) {
                emitItemsChanged = true;
            }
        }
        if (properties.contains(it.name()))
            delete properties[it.name()];
        properties.insert(it.name(), value);
    }
    return emitItemsChanged;
}

static void openSourcePropertyOfLoader(const ModelNode &modelNode)
{
    QmlDesignerPlugin::instance()->viewManager().nextFileIsCalledInternally();

    QString componentFileName = modelNode.variantProperty("source").value().toString();

    QFileInfo fileInfo(modelNode.model()->fileUrl().toLocalFile());
    Core::EditorManager::openEditor(fileInfo.absolutePath() + "/" + componentFileName, Core::Id(), Core::EditorManager::DoNotMakeVisible);
}

void NameItemDelegate::paint(QPainter *painter,
               const QStyleOptionViewItem &option, const QModelIndex &index) const
{
    if (option.state & QStyle::State_Selected)
        drawSelectionBackground(painter, option);

    QString displayString;
    QPoint displayStringOffset;

    painter->save();
    QFontMetrics fm(option.font);
    int width = 0;
    if (index.data(Qt::UserRole).isValid()) {

        int pixmapSide = 16;

        if (m_TreeModel->isNodeInvisible( index ))
            painter->setOpacity(0.5);

        ModelNode node = m_TreeModel->nodeForIndex(index);

        QIcon icon;
        if (node.isValid()) {
            // if node has no own icon, search for it in the itemlibrary
            const ItemLibraryInfo *libraryInfo = node.model()->metaInfo().itemLibraryInfo();
            QList <ItemLibraryEntry> infoList = libraryInfo->entriesForType(node.type(),
                                                                            node.majorVersion(),
                                                                            node.minorVersion());
            foreach (const ItemLibraryEntry &entry, infoList) {
                if (icon.isNull()) {
                    icon = entry.icon();
                    break;
                }
            }
        }
        // if the library was also empty, use the default icon
        if (icon.isNull())
            icon = QIcon(QLatin1String(":/ItemLibrary/images/item-default-icon.png"));
        if (!node.metaInfo().isValid())
            icon = QIcon(QLatin1String(":/ItemLibrary/images/item-invalid-icon.png"));

        // If no icon is present, leave an empty space of 24 pixels anyway
        QPixmap pixmap = icon.pixmap(pixmapSide, pixmapSide);
        painter->drawPixmap(option.rect.x()+1,option.rect.y()+2,pixmap);

        displayString = node.id();
        if (displayString.isEmpty())
            displayString = node.simplifiedTypeName();

        // Check text length does not exceed available space
        int extraSpace=12+pixmapSide;

        displayString = fm.elidedText(displayString,Qt::ElideMiddle,option.rect.width()-extraSpace);
        displayStringOffset = QPoint(5+pixmapSide,-5);
        width = fm.width(displayString);
    }

void ModelMerger::replaceModel(const ModelNode &modelNode)
{
     RewriterTransaction transaction(view()->beginRewriterTransaction());

    foreach (const Import &import, modelNode.model()->imports())
        view()->model()->addImport(import);
    view()->model()->setFileUrl(modelNode.model()->fileUrl());

    ModelNode rootNode(view()->rootModelNode());

    foreach (const QString &propertyName, rootNode.propertyNames())
        rootNode.removeProperty(propertyName);

    QHash<QString, QString> idRenamingHash;
    setupIdRenamingHash(modelNode, idRenamingHash, view());

    syncVariantProperties(rootNode, modelNode);
    syncBindingProperties(rootNode, modelNode, idRenamingHash);
    syncId(rootNode, modelNode, idRenamingHash);
    syncNodeProperties(rootNode, modelNode, idRenamingHash, view());
    syncNodeListProperties(rootNode, modelNode, idRenamingHash, view());
    m_view->changeRootNodeType(modelNode.type(), modelNode.majorVersion(), modelNode.minorVersion());
}

ModelNode ModelMerger::insertModel(const ModelNode &modelNode)
{
     RewriterTransaction transaction(view()->beginRewriterTransaction());

    foreach (const Import &import, modelNode.model()->imports())
        view()->model()->addImport(import);

    QHash<QString, QString> idRenamingHash;
    setupIdRenamingHash(modelNode, idRenamingHash, view());
    qDebug() << idRenamingHash;
    ModelNode newNode(createNodeFromNode(modelNode, idRenamingHash, view()));

    return newNode;
}

static void openSourcePropertyOfLoader(const ModelNode &modelNode)
{
    QmlDesignerPlugin::instance()->viewManager().nextFileIsCalledInternally();

    QHash<PropertyName, QVariant> propertyHash;

    QString componentFileName = modelNode.variantProperty("source").value().toString();
    QString componentFilePath = modelNode.model()->fileUrl().resolved(QUrl::fromLocalFile(componentFileName)).toLocalFile();

    getProperties(modelNode, propertyHash);
    Core::EditorManager::openEditor(componentFilePath, Core::Id(), Core::EditorManager::DoNotMakeVisible);

    ModelNode rootModelNode = currentDesignDocument()->rewriterView()->rootModelNode();
    applyProperties(rootModelNode, propertyHash);
}

ModelNode ModelMerger::insertModel(const ModelNode &modelNode)
{
    RewriterTransaction transaction(view()->beginRewriterTransaction(QByteArrayLiteral("ModelMerger::insertModel")));

    QList<Import> newImports;

    foreach (const Import &import, modelNode.model()->imports()) {
        if (!view()->model()->hasImport(import, true, true))
            newImports.append(import);
    }

    view()->model()->changeImports(newImports, QList<Import>());

    QHash<QString, QString> idRenamingHash;
    setupIdRenamingHash(modelNode, idRenamingHash, view());
    ModelNode newNode(createNodeFromNode(modelNode, idRenamingHash, view()));

    return newNode;
}

static QIcon getTypeIcon(const ModelNode &modelNode)
{
    QIcon icon;

    if (modelNode.isValid()) {
        // if node has no own icon, search for it in the itemlibrary
        const ItemLibraryInfo *libraryInfo = modelNode.model()->metaInfo().itemLibraryInfo();
        QList <ItemLibraryEntry> itemLibraryEntryList = libraryInfo->entriesForType(modelNode.type(),
                                                                        modelNode.majorVersion(),
                                                                        modelNode.minorVersion());
        if (!itemLibraryEntryList.isEmpty())
            return  itemLibraryEntryList.first().typeIcon();
        else if (modelNode.metaInfo().isValid())
            return QIcon(QStringLiteral(":/ItemLibrary/images/item-default-icon.png"));
        else
            return QIcon(QStringLiteral(":/ItemLibrary/images/item-invalid-icon.png"));
    }

    return QIcon(QStringLiteral(":/ItemLibrary/images/item-invalid-icon.png"));
}

QVariant NestedListModel::valueForNode(ModelNode *node, bool *hasNested) const
{
    QObject *rv = 0;
    if (hasNested)
        *hasNested = false;

    if (node->isArray) {
        // List
        rv = node->model(this);
        if (hasNested)
            *hasNested = true;
    } else {
        if (!node->properties.isEmpty()) {
            // Object
            rv = node->object(this);
        } else if (node->values.count() == 0) {
            // Invalid
            return QVariant();
        } else if (node->values.count() == 1) {
            // Value
            QVariant &var = node->values[0];
            ModelNode *valueNode = qvariant_cast<ModelNode *>(var);
            if (valueNode) {
                if (!valueNode->properties.isEmpty())
                    rv = valueNode->object(this);
                else
                    rv = valueNode->model(this);
            } else {
                return var;
            }
        }
    }

    if (rv) {
        return QVariant::fromValue(rv);
    } else {
        return QVariant();
    }
}

QString QmlTextGenerator::toQml(const ModelNode &node, int indentDepth) const
{
    QString type = node.type();
    QString url;
    if (type.contains('.')) {
        QStringList nameComponents = type.split('.');
        url = nameComponents.first();
        type = nameComponents.last();
    }

    QString alias;
    if (!url.isEmpty()) {
        foreach (const Import &import, node.model()->imports()) {
            if (import.url() == url) {
                alias = import.alias();
                break;
            }
            if (import.file() == url) {
                alias = import.alias();
                break;
            }
        }
    }

QString QmlTextGenerator::toQml(const ModelNode &node, int indentDepth) const
{
    QString type = node.type();
    QString url;
    if (type.contains('.')) {
        QStringList nameComponents = type.split('.');
        url = nameComponents.first();
        type = nameComponents.last();
    }

    QString alias;
    if (!url.isEmpty()) {
        const QString &versionUrl = QString("%1.%2").arg(QString::number(node.majorVersion()), QString::number(node.minorVersion()));
        foreach (const Import &import, node.model()->imports()) {
            if (import.url() == url
                && import.version() == versionUrl) {
                alias = import.alias();
                break;
            }
        }
    }

    QString result;

    if (!alias.isEmpty())
        result = alias + '.';

    result += type;
    result += QLatin1String(" {\n");

    const int propertyIndentDepth = indentDepth + 4;

    const QString properties = propertiesToQml(node, propertyIndentDepth);

    return result + properties + QString(indentDepth, QLatin1Char(' ')) + QLatin1Char('}');
}

scene::Node& MDLModel_default(){
	ModelNode* modelNode = new ModelNode();
	Model_constructNull( modelNode->model() );
	return modelNode->node();
}

scene::Node& MD2Model_new( const byte* buffer, ArchiveFile& file ){
	ModelNode* modelNode = new ModelNode();
	MD2Model_read( modelNode->model(), buffer, file );
	return modelNode->node();
}

scene::Node& MDCModel_new(const byte* buffer)
{
  ModelNode* modelNode = new ModelNode();
  MDCModel_read(modelNode->model(), buffer);
  return modelNode->node();
}