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C++ QmlItemNode::isValid方法代码示例

本文整理汇总了C++中QmlItemNode::isValid方法的典型用法代码示例。如果您正苦于以下问题：C++ QmlItemNode::isValid方法的具体用法？C++ QmlItemNode::isValid怎么用？C++ QmlItemNode::isValid使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QmlItemNode的用法示例。


在下文中一共展示了QmlItemNode::isValid方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: createQmlItemNode

QmlItemNode QmlItemNode::createQmlItemNode(AbstractView *view, const ItemLibraryEntry &itemLibraryEntry, const QPointF &position, QmlItemNode parentQmlItemNode)
{
    if (!parentQmlItemNode.isValid())
        parentQmlItemNode = QmlItemNode(view->rootModelNode());

    Q_ASSERT(parentQmlItemNode.isValid());

    NodeAbstractProperty parentProperty = parentQmlItemNode.defaultNodeAbstractProperty();

    return QmlItemNode::createQmlItemNode(view, itemLibraryEntry, position, parentProperty);
}
开发者ID:acacid，项目名称:qt-creator，代码行数:11，代码来源:qmlitemnode.cpp

示例2: createQmlItemNode

QmlItemNode QmlModelView::createQmlItemNode(const ItemLibraryEntry &itemLibraryEntry, const QPointF &position, QmlItemNode parentNode)
{
    if (!parentNode.isValid())
        parentNode = rootQmlItemNode();

    Q_ASSERT(parentNode.isValid());


    QmlItemNode newNode;
    RewriterTransaction transaction = beginRewriterTransaction();
    {
        QList<QPair<QString, QVariant> > propertyPairList;
        propertyPairList.append(qMakePair(QString("x"), QVariant(round(position.x(), 4))));
        propertyPairList.append(qMakePair(QString("y"), QVariant(round(position.y(), 4))));

        foreach (const PropertyContainer &property, itemLibraryEntry.properties())
            propertyPairList.append(qMakePair(property.name(), property.value()));

        newNode = createQmlItemNode(itemLibraryEntry.typeName(), itemLibraryEntry.majorVersion(), itemLibraryEntry.minorVersion(), propertyPairList);
        parentNode.nodeAbstractProperty("data").reparentHere(newNode);

        Q_ASSERT(newNode.isValid());

        QString id;
        int i = 1;
        QString name(itemLibraryEntry.name().toLower());
        //remove forbidden characters
        name.replace(QRegExp(QLatin1String("[^a-zA-Z0-9_]")), QLatin1String("_"));
        do {
            id = name + QString::number(i);
            i++;
        } while (hasId(id)); //If the name already exists count upwards

        try {
            newNode.setId(id);
        } catch (InvalidIdException &e) {
            // should never happen
            QMessageBox::warning(0, tr("Invalid Id"), e.description());
        }

        if (!currentState().isBaseState()) {
            newNode.modelNode().variantProperty("opacity") = 0;
            newNode.setVariantProperty("opacity", 1);
        }

        Q_ASSERT(newNode.isValid());
    }

    Q_ASSERT(newNode.isValid());

    return newNode;
}
开发者ID:TheProjecter，项目名称:project-qtcreator，代码行数:52，代码来源:qmlmodelview.cpp

示例3: createQmlItemNodeFromImage

QmlItemNode QmlModelView::createQmlItemNodeFromImage(const QString &imageName, const QPointF &position, QmlItemNode parentNode)
{
    if (!parentNode.isValid())
        parentNode = rootQmlItemNode();

    if (!parentNode.isValid())
        return QmlItemNode();

    QmlItemNode newNode;
    RewriterTransaction transaction = beginRewriterTransaction();
    {
        QList<QPair<QString, QVariant> > propertyPairList;
        propertyPairList.append(qMakePair(QString("x"), QVariant( round(position.x(), 4))));
        propertyPairList.append(qMakePair(QString("y"), QVariant( round(position.y(), 4))));

        QString relativeImageName = imageName;

        //use relative path
        if (QFileInfo(model()->fileUrl().toLocalFile()).exists()) {
            QDir fileDir(QFileInfo(model()->fileUrl().toLocalFile()).absolutePath());
            relativeImageName = fileDir.relativeFilePath(imageName);
        }

        propertyPairList.append(qMakePair(QString("source"), QVariant(relativeImageName)));
        newNode = createQmlItemNode("Qt/Image",4, 7, propertyPairList);
        parentNode.nodeAbstractProperty("data").reparentHere(newNode);

        Q_ASSERT(newNode.isValid());

        QString id;
        int i = 1;
        QString name("image");
        name.remove(QLatin1Char(' '));
        do {
            id = name + QString::number(i);
            i++;
        } while (hasId(id)); //If the name already exists count upwards

        newNode.setId(id);
        if (!currentState().isBaseState()) {
            newNode.modelNode().variantProperty("opacity") = 0;
            newNode.setVariantProperty("opacity", 1);
        }

        Q_ASSERT(newNode.isValid());
    }

    Q_ASSERT(newNode.isValid());

    return newNode;
}
开发者ID:TheProjecter，项目名称:project-qtcreator，代码行数:51，代码来源:qmlmodelview.cpp

示例4: boundingBox

QRectF QmlAnchorBindingProxy::boundingBox(const QmlItemNode &node)
{
    if (node.isValid())
        return node.instanceTransformWithContentTransform().mapRect(node.instanceBoundingRect());

    return QRect();
}
开发者ID:C-sjia，项目名称:qt-creator，代码行数:7，代码来源:qmlanchorbindingproxy.cpp

示例5: itemIsResizable

bool itemIsResizable(const QmlItemNode &qmlItemNode)
{
    return qmlItemNode.isValid()
           && qmlItemNode.instanceIsResizable()
           && qmlItemNode.modelIsMovable()
           && qmlItemNode.modelIsResizable()
           && !qmlItemNode.instanceHasRotationTransform()
           && !qmlItemNode.instanceIsInLayoutable();
}
开发者ID:jay602，项目名称:QmlDesignerPlus，代码行数:9，代码来源:resizeindicator.cpp

示例6: allQmlItemsRecursive

static QList<QmlItemNode> allQmlItemsRecursive(const QmlItemNode &qmlItemNode)
{
    QList<QmlItemNode> qmlItemNodeList;

    if (qmlItemNode.isValid()) {
        qmlItemNodeList.append(qmlItemNode);

        foreach (const ModelNode &modelNode, qmlItemNode.modelNode().directSubModelNodes()) {
            if (QmlItemNode::isValidQmlItemNode(modelNode))
                qmlItemNodeList.append(allQmlItemsRecursive(modelNode));
        }
    }
开发者ID:UIKit0，项目名称:qt-creator，代码行数:12，代码来源:qmlobjectnode.cpp

示例7: removeNodeFromScene

void FormEditorView::removeNodeFromScene(const QmlItemNode &qmlItemNode)
{
    if (qmlItemNode.isValid()) {
        QList<QmlItemNode> nodeList;
        nodeList.append(qmlItemNode.allSubModelNodes());
        nodeList.append(qmlItemNode);

        QList<FormEditorItem*> removedItemList;
        removedItemList.append(scene()->itemsForQmlItemNodes(nodeList));
        m_currentTool->itemsAboutToRemoved(removedItemList);

        qDeleteAll(removedItemList);
    }
}
开发者ID:mornelon，项目名称:QtCreator_compliments，代码行数:14，代码来源:formeditorview.cpp

示例8: allFxItemsRecursive

static QList<QmlItemNode> allFxItemsRecursive(const QmlItemNode &fxNode)
{
    QList<QmlItemNode> returnList;

    if (fxNode.isValid()) {
        returnList.append(fxNode);
        QList<QmlItemNode> allChildNodes;
        foreach (const ModelNode &node, fxNode.modelNode().allDirectSubModelNodes()) {
            if (QmlItemNode(node).isValid())
                allChildNodes.append(node);
        }
        foreach (const QmlItemNode &node, allChildNodes) {
            returnList.append(allFxItemsRecursive(node));
        }
开发者ID:KDE，项目名称:android-qt-creator，代码行数:14，代码来源:qmlobjectnode.cpp

示例9: updateContext

    virtual void updateContext()
    {
        defaultAction()->setSelectionContext(selectionContext());
        if (selectionContext().isValid()) {
            defaultAction()->setEnabled(isEnabled(selectionContext()));
            defaultAction()->setVisible(isVisible(selectionContext()));

            defaultAction()->setCheckable(true);
            QmlItemNode itemNode = QmlItemNode(selectionContext().currentSingleSelectedNode());
            if (itemNode.isValid())
                defaultAction()->setChecked(itemNode.instanceValue("visible").toBool());
            else
                defaultAction()->setEnabled(false);
        }
    }
开发者ID:qtproject，项目名称:qt-creator，代码行数:15，代码来源:designeractionmanager.cpp

示例10: hideNodeFromScene

void FormEditorView::hideNodeFromScene(const QmlItemNode &qmlItemNode)
{
    if (qmlItemNode.isValid()) {

        FormEditorItem *item = m_scene->itemForQmlItemNode(qmlItemNode);

        QList<QmlItemNode> nodeList;
        nodeList.append(qmlItemNode.allSubModelNodes());
        nodeList.append(qmlItemNode);

        QList<FormEditorItem*> removedItemList;
        removedItemList.append(scene()->itemsForQmlItemNodes(nodeList));
        m_currentTool->itemsAboutToRemoved(removedItemList);
        item->setFormEditorVisible(false);
    }
}
开发者ID:mornelon，项目名称:QtCreator_compliments，代码行数:16，代码来源:formeditorview.cpp

示例11: createQmlItemNodeFromImage

void DragTool::createQmlItemNodeFromImage(const QString &imageName,
                                          const QmlItemNode &parentNode,
                                          const QPointF &scenePosition)
{
    if (parentNode.isValid()) {
        MetaInfo metaInfo = MetaInfo::global();

        FormEditorItem *parentItem = scene()->itemForQmlItemNode(parentNode);
        QPointF positonInItemSpace = parentItem->qmlItemNode().instanceSceneContentItemTransform().inverted().map(scenePosition);

        m_dragNode = QmlItemNode::createQmlItemNodeFromImage(view(), imageName, positonInItemSpace, parentNode);

        QList<QmlItemNode> nodeList;
        nodeList.append(m_dragNode);
        m_selectionIndicator.setItems(scene()->itemsForQmlItemNodes(nodeList));
    }
}
开发者ID:maui-packages，项目名称:qt-creator，代码行数:17，代码来源:dragtool.cpp

示例12: synchronizeParent

void MoveManipulator::synchronizeParent(const QList<FormEditorItem*> &itemList, const ModelNode &parentNode)
{
    bool snapperUpdated = false;

    foreach (FormEditorItem *item, itemList) {
        if (m_itemList.contains(item)) {
            QmlItemNode parentItemNode = QmlItemNode(parentNode);
            if (parentItemNode.isValid()) {
                if (snapperUpdated == false && m_snapper.containerFormEditorItem() != m_view->scene()->itemForQmlItemNode(parentItemNode)) {
                    m_snapper.setContainerFormEditorItem(m_view->scene()->itemForQmlItemNode(parentItemNode));
                    m_snapper.setTransformtionSpaceFormEditorItem(m_snapper.containerFormEditorItem());
                    m_snapper.updateSnappingLines(m_itemList);
                    snapperUpdated = true;
                }
            }
        }
    }
}
开发者ID:DuinoDu，项目名称:qt-creator，代码行数:18，代码来源:movemanipulator.cpp

示例13: createQmlItemNode

QmlItemNode QmlModelView::createQmlItemNode(const ItemLibraryEntry &itemLibraryEntry, const QPointF &position, QmlItemNode parentNode)
{
    if (!parentNode.isValid())
        parentNode = rootQmlItemNode();

    Q_ASSERT(parentNode.isValid());

    QmlItemNode newNode;

    try {
        RewriterTransaction transaction = beginRewriterTransaction();
        if (itemLibraryEntry.typeName().contains('.')) {

            const QString newImportUrl = itemLibraryEntry.requiredImport();

            if (!itemLibraryEntry.requiredImport().isEmpty()) {
                const QString newImportVersion = QString("%1.%2").arg(QString::number(itemLibraryEntry.majorVersion()), QString::number(itemLibraryEntry.minorVersion()));
                Import newImport = Import::createLibraryImport(newImportUrl, newImportVersion);

                foreach (const Import &import, model()->imports()) {
                    if (import.isLibraryImport()
                            && import.url() == newImport.url()
                            && import.version() == newImport.version()) {
                        // reuse this import
                        newImport = import;
                        break;
                    }
                }

                if (!model()->hasImport(newImport, true, true)) {
                    model()->changeImports(QList<Import>() << newImport, QList<Import>());
                }
            }
        }

        QList<QPair<QString, QVariant> > propertyPairList;
        propertyPairList.append(qMakePair(QString("x"), QVariant(round(position.x(), 4))));
        propertyPairList.append(qMakePair(QString("y"), QVariant(round(position.y(), 4))));

        if (itemLibraryEntry.qml().isEmpty()) {
            foreach (const PropertyContainer &property, itemLibraryEntry.properties())
                propertyPairList.append(qMakePair(property.name(), property.value()));

            newNode = createQmlItemNode(itemLibraryEntry.typeName(), itemLibraryEntry.majorVersion(), itemLibraryEntry.minorVersion(), propertyPairList);
        } else {
            QScopedPointer<Model> inputModel(Model::create("QtQuick.Rectangle", 1, 0, model()));
            inputModel->setFileUrl(model()->fileUrl());
            QPlainTextEdit textEdit;


            textEdit.setPlainText(Utils::FileReader::fetchQrc(itemLibraryEntry.qml()));
            NotIndentingTextEditModifier modifier(&textEdit);

            QScopedPointer<RewriterView> rewriterView(new RewriterView(RewriterView::Amend, 0));
            rewriterView->setCheckSemanticErrors(false);
            rewriterView->setTextModifier(&modifier);
            inputModel->attachView(rewriterView.data());

            if (rewriterView->errors().isEmpty() && rewriterView->rootModelNode().isValid()) {
                ModelNode rootModelNode = rewriterView->rootModelNode();
                inputModel->detachView(rewriterView.data());

                rootModelNode.variantProperty("x") = propertyPairList.first().second;
                rootModelNode.variantProperty("y") = propertyPairList.at(1).second;

                ModelMerger merger(this);
                newNode = merger.insertModel(rootModelNode);               
            }
        }

        if (parentNode.hasDefaultProperty()) {
            parentNode.nodeAbstractProperty(parentNode.defaultProperty()).reparentHere(newNode);
        }

        if (!newNode.isValid())
            return newNode;

        QString id;
        int i = 1;
        QString name(itemLibraryEntry.name().toLower());
        //remove forbidden characters
        name.replace(QRegExp(QLatin1String("[^a-zA-Z0-9_]")), QLatin1String("_"));
        do {
            id = name + QString::number(i);
            i++;
        } while (hasId(id)); //If the name already exists count upwards

        newNode.setId(id);

        if (!currentState().isBaseState()) {
            newNode.modelNode().variantProperty("opacity") = 0;
            newNode.setVariantProperty("opacity", 1);
        }

        Q_ASSERT(newNode.isValid());
    }
开发者ID:mornelon，项目名称:QtCreator_compliments，代码行数:96，代码来源:qmlmodelview.cpp

示例14: createQmlItemNodeFromImage

QmlItemNode QmlModelView::createQmlItemNodeFromImage(const QString &imageName, const QPointF &position, QmlItemNode parentNode)
{
    if (!parentNode.isValid())
        parentNode = rootQmlItemNode();

    if (!parentNode.isValid())
        return QmlItemNode();

    QmlItemNode newNode;
    RewriterTransaction transaction = beginRewriterTransaction();
    {
        const QString newImportUrl = QLatin1String("QtQuick");
        const QString newImportVersion = QLatin1String("1.0");
        Import newImport = Import::createLibraryImport(newImportUrl, newImportVersion);

        foreach (const Import &import, model()->imports()) {
            if (import.isLibraryImport()
                && import.url() == newImport.url()
                && import.version() == newImport.version()) {
                // reuse this import
                newImport = import;
                break;
            }
        }

        if (!model()->imports().contains(newImport)) {
            model()->changeImports(QList<Import>() << newImport, QList<Import>());
        }

        QList<QPair<QString, QVariant> > propertyPairList;
        propertyPairList.append(qMakePair(QString("x"), QVariant( round(position.x(), 4))));
        propertyPairList.append(qMakePair(QString("y"), QVariant( round(position.y(), 4))));

        QString relativeImageName = imageName;

        //use relative path
        if (QFileInfo(model()->fileUrl().toLocalFile()).exists()) {
            QDir fileDir(QFileInfo(model()->fileUrl().toLocalFile()).absolutePath());
            relativeImageName = fileDir.relativeFilePath(imageName);
        }

        propertyPairList.append(qMakePair(QString("source"), QVariant(relativeImageName)));
        newNode = createQmlItemNode("QtQuick.Image", 1, 0, propertyPairList);
        parentNode.nodeAbstractProperty("data").reparentHere(newNode);

        Q_ASSERT(newNode.isValid());

        QString id;
        int i = 1;
        QString name("image");
        name.remove(QLatin1Char(' '));
        do {
            id = name + QString::number(i);
            i++;
        } while (hasId(id)); //If the name already exists count upwards

        newNode.setId(id);
        if (!currentState().isBaseState()) {
            newNode.modelNode().variantProperty("opacity") = 0;
            newNode.setVariantProperty("opacity", 1);
        }

        Q_ASSERT(newNode.isValid());
    }

    Q_ASSERT(newNode.isValid());

    return newNode;
}
开发者ID:mornelon，项目名称:QtCreator_compliments，代码行数:69，代码来源:qmlmodelview.cpp

示例15: createQmlItemNode

QmlItemNode QmlItemNode::createQmlItemNode(AbstractView *view, const ItemLibraryEntry &itemLibraryEntry, const QPointF &position, QmlItemNode parentQmlItemNode)
{
    if (!parentQmlItemNode.isValid())
        parentQmlItemNode = QmlItemNode(view->rootModelNode());

    Q_ASSERT(parentQmlItemNode.isValid());

    QmlItemNode newQmlItemNode;

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

        NodeMetaInfo metaInfo = view->model()->metaInfo(itemLibraryEntry.typeName());

        int minorVersion = metaInfo.minorVersion();
        int majorVersion = metaInfo.majorVersion();

        if (itemLibraryEntry.typeName().contains('.')) {

            const QString newImportUrl = itemLibraryEntry.requiredImport();

            if (!itemLibraryEntry.requiredImport().isEmpty()) {
                const QString newImportVersion = QString("%1.%2").arg(QString::number(itemLibraryEntry.majorVersion()), QString::number(itemLibraryEntry.minorVersion()));

                Import newImport = Import::createLibraryImport(newImportUrl, newImportVersion);
                if (itemLibraryEntry.majorVersion() == -1 && itemLibraryEntry.minorVersion() == -1)
                    newImport = Import::createFileImport(newImportUrl, QString());
                else
                    newImport = Import::createLibraryImport(newImportUrl, newImportVersion);

                foreach (const Import &import, view->model()->imports()) {
                    if (import.isLibraryImport()
                            && import.url() == newImport.url()
                            && import.version() == newImport.version()) {
                        // reuse this import
                        newImport = import;
                        break;
                    }
                }

                if (!view->model()->hasImport(newImport, true, true))
                    view->model()->changeImports(QList<Import>() << newImport, QList<Import>());
            }
        }

        if (itemLibraryEntry.qmlSource().isEmpty()) {
            QList<QPair<PropertyName, QVariant> > propertyPairList;
            propertyPairList.append(qMakePair(PropertyName("x"), QVariant(qRound(position.x()))));
            propertyPairList.append(qMakePair(PropertyName("y"), QVariant(qRound(position.y()))));

            foreach (const PropertyContainer &property, itemLibraryEntry.properties())
                propertyPairList.append(qMakePair(property.name(), property.value()));

            newQmlItemNode = QmlItemNode(view->createModelNode(itemLibraryEntry.typeName(), majorVersion, minorVersion, propertyPairList));
        } else {
            newQmlItemNode = createQmlItemNodeFromSource(view, itemLibraryEntry.qmlSource(), position);
        }

        if (parentQmlItemNode.hasDefaultPropertyName())
            parentQmlItemNode.nodeAbstractProperty(parentQmlItemNode.defaultPropertyName()).reparentHere(newQmlItemNode);

        if (!newQmlItemNode.isValid())
            return newQmlItemNode;

        newQmlItemNode.setId(view->generateNewId(itemLibraryEntry.name()));

        if (!view->currentState().isBaseState()) {
            newQmlItemNode.modelNode().variantProperty("opacity").setValue(0);
            newQmlItemNode.setVariantProperty("opacity", 1);
        }

        Q_ASSERT(newQmlItemNode.isValid());
    }
开发者ID:zhongxingzhi，项目名称:qtcreator，代码行数:73，代码来源:qmlitemnode.cpp


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