QmlItemNode QmlItemNode::createQmlItemNode(AbstractView *view, const ItemLibraryEntry &itemLibraryEntry, const QPointF &position, NodeAbstractProperty parentproperty) { QmlItemNode newQmlItemNode; try { RewriterTransaction transaction = view->beginRewriterTransaction(QByteArrayLiteral("QmlItemNode::createQmlItemNode")); NodeMetaInfo metaInfo = view->model()->metaInfo(itemLibraryEntry.typeName()); int minorVersion = metaInfo.minorVersion(); int majorVersion = metaInfo.majorVersion(); typedef QPair<PropertyName, QString> PropertyBindingEntry; QList<PropertyBindingEntry> propertyBindingList; if (itemLibraryEntry.qmlSource().isEmpty()) { QList<QPair<PropertyName, QVariant> > propertyPairList; if (!position.isNull()) { propertyPairList.append(qMakePair(PropertyName("x"), QVariant(qRound(position.x())))); propertyPairList.append(qMakePair(PropertyName("y"), QVariant(qRound(position.y())))); } foreach (const PropertyContainer &property, itemLibraryEntry.properties()) { if (property.type() == QStringLiteral("binding")) { propertyBindingList.append(PropertyBindingEntry(property.name(), property.value().toString())); } else { propertyPairList.append(qMakePair(property.name(), property.value())); } } newQmlItemNode = QmlItemNode(view->createModelNode(itemLibraryEntry.typeName(), majorVersion, minorVersion, propertyPairList)); } else { newQmlItemNode = createQmlItemNodeFromSource(view, itemLibraryEntry.qmlSource(), position); } if (parentproperty.isValid()) parentproperty.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); } foreach (const PropertyBindingEntry &propertyBindingEntry, propertyBindingList) newQmlItemNode.modelNode().bindingProperty(propertyBindingEntry.first).setExpression(propertyBindingEntry.second); Q_ASSERT(newQmlItemNode.isValid()); }
void ModelNode::setParentProperty(NodeAbstractProperty parent) { if (!isValid()) { Q_ASSERT_X(isValid(), Q_FUNC_INFO, "model node is invalid"); throw InvalidModelNodeException(__LINE__, __FUNCTION__, __FILE__); } if (!parent.parentModelNode().isValid()) throw InvalidArgumentException(__LINE__, __FUNCTION__, __FILE__, "newParentNode"); if (*this == parent.parentModelNode()) { Q_ASSERT_X(*this != parent.parentModelNode(), Q_FUNC_INFO, "cannot set parent to itself"); throw InvalidModelNodeException(__LINE__, __FUNCTION__, __FILE__); } if (parent == parentProperty()) return; parent.reparentHere(*this); }