start implementing serializers
This commit is contained in:
itsmattkc
+16
-178
@@ -24,6 +24,7 @@
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#include "core.h"
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#include "node/factory.h"
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#include "node/project/serializer/serializer.h"
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#include "widget/nodeview/nodeviewundo.h"
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#include "window/mainwindow/mainwindow.h"
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@@ -34,24 +35,11 @@ void NodeCopyPasteService::CopyNodesToClipboard(QVector<Node *> nodes, void *use
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QString copy_str;
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QXmlStreamWriter writer(©_str);
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writer.setAutoFormatting(true);
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writer.writeStartDocument();
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writer.writeStartElement(QStringLiteral("olive"));
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writer.writeTextElement(QStringLiteral("version"), QString::number(Project::kProjectVersion));
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writer.writeStartElement(QStringLiteral("nodes"));
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// For any groups, add children
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for (int i=0; i<nodes.size(); i++) {
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Node *n = nodes.at(i);
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writer.writeStartElement(QStringLiteral("node"));
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writer.writeAttribute(QStringLiteral("id"), n->id());
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n->Save(&writer);
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writer.writeEndElement(); // node
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// If this is a group, add the child nodes too
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if (NodeGroup *g = dynamic_cast<NodeGroup*>(n)) {
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if (NodeGroup *g = dynamic_cast<NodeGroup*>(nodes.at(i))) {
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for (auto it=g->GetContextPositions().cbegin(); it!=g->GetContextPositions().cend(); it++) {
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if (!nodes.contains(it.key())) {
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nodes.append(it.key());
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@@ -59,187 +47,37 @@ void NodeCopyPasteService::CopyNodesToClipboard(QVector<Node *> nodes, void *use
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}
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}
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}
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writer.writeEndElement(); // nodes
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writer.writeStartElement(QStringLiteral("contexts"));
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foreach (Node* n, nodes) {
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// Determine if this node is a context
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if (!n->GetContextPositions().isEmpty()) {
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writer.writeStartElement(QStringLiteral("context"));
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writer.writeAttribute(QStringLiteral("ptr"), QString::number(reinterpret_cast<quintptr>(n)));
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ProjectSerializer::Save(nodes.first()->project(), &writer, nodes);
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const Node::PositionMap &map = n->GetContextPositions();
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for (auto it=map.cbegin(); it!=map.cend(); it++) {
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writer.writeStartElement(QStringLiteral("node"));
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Project::SavePosition(&writer, it.key(), it.value());
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writer.writeEndElement(); // node
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}
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writer.writeEndElement(); // context
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}
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}
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writer.writeEndElement(); // contexts
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writer.writeStartElement(QStringLiteral("custom"));
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/*writer.writeStartElement(QStringLiteral("custom"));
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CopyNodesToClipboardInternal(&writer, nodes, userdata);
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writer.writeEndElement(); // custom
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writer.writeEndElement(); // olive
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writer.writeEndDocument();
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writer.writeEndElement(); // custom*/
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Core::CopyStringToClipboard(copy_str);
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}
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QVector<Node *> NodeCopyPasteService::PasteNodesFromClipboard(NodeGraph *graph, MultiUndoCommand* command, void *userdata)
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QVector<Node *> NodeCopyPasteService::PasteNodesFromClipboard(Project *project, MultiUndoCommand* command, void *userdata)
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{
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QString clipboard = Core::PasteStringFromClipboard();
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QVector<Node*> pasted_nodes;
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QString clipboard = Core::PasteStringFromClipboard();
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if (clipboard.isEmpty()) {
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return QVector<Node*>();
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return pasted_nodes;
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}
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QXmlStreamReader reader(clipboard);
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uint data_version = 0;
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QVector<Node*> pasted_nodes;
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XMLNodeData xml_node_data;
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QMap<quintptr, QMap<quintptr, Node::Position> > pasted_contexts;
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Project temp;
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ProjectSerializer::Load(&temp, &reader);
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while (XMLReadNextStartElement(&reader)) {
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if (reader.name() == QStringLiteral("olive")) {
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// Default to current version - this may not be desirable?
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while (XMLReadNextStartElement(&reader)) {
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if (reader.name() == QStringLiteral("version")) {
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data_version = reader.readElementText().toUInt();
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} else if (reader.name() == QStringLiteral("nodes")) {
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while (XMLReadNextStartElement(&reader)) {
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if (reader.name() == QStringLiteral("node")) {
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if (data_version == 0) {
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// Refuse to create any nodes if we didn't get a version string
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return QVector<Node*>();
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}
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Node* node = nullptr;
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XMLAttributeLoop((&reader), attr) {
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if (attr.name() == QStringLiteral("id")) {
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node = NodeFactory::CreateFromID(attr.value().toString());
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break;
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}
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}
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if (node) {
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node->Load(&reader, xml_node_data, data_version, nullptr);
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pasted_nodes.append(node);
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}
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} else {
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reader.skipCurrentElement();
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}
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}
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} else if (reader.name() == QStringLiteral("contexts")) {
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while (XMLReadNextStartElement(&reader)) {
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if (reader.name() == QStringLiteral("context")) {
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// Get context ptr
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QMap<quintptr, Node::Position> map;
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quintptr context_ptr = 0;
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XMLAttributeLoop((&reader), attr) {
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if (attr.name() == QStringLiteral("ptr")) {
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context_ptr = attr.value().toULongLong();
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break;
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}
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}
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// Find nodes section
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while (XMLReadNextStartElement(&reader)) {
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if (reader.name() == QStringLiteral("node")) {
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quintptr node_ptr;
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Node::Position node_pos;
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if (Project::LoadPosition(&reader, &node_ptr, &node_pos)) {
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map.insert(node_ptr, node_pos);
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}
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} else {
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reader.skipCurrentElement();
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}
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}
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// Insert
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if (!map.isEmpty()) {
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pasted_contexts.insert(context_ptr, map);
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}
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} else {
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reader.skipCurrentElement();
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}
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}
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} else if (reader.name() == QStringLiteral("custom")) {
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if (data_version == 0) {
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// Refuse to create any nodes if we didn't get a version string
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return QVector<Node*>();
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}
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PasteNodesFromClipboardInternal(&reader, xml_node_data, userdata);
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} else {
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reader.skipCurrentElement();
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}
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}
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} else {
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reader.skipCurrentElement();
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foreach (Node *n, temp.nodes()) {
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if (!temp.default_nodes().contains(n)) {
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n->setParent(nullptr);
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pasted_nodes.append(n);
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}
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}
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if (pasted_nodes.isEmpty()) {
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// If we passed through the whole string and there were no nodes, it must not be data for us after all
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return QVector<Node*>();
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}
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// If we have some nodes AND the XML data was malformed, the user should probably know
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if (reader.hasError()) {
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// Delete all nodes so this is a no-op
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foreach (Node* n, pasted_nodes) {
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delete n;
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}
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// If this was NOT an internal error, we assume it's an XML error that the user needs to know about
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QMessageBox::critical(Core::instance()->main_window(),
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QCoreApplication::translate("NodeCopyPasteWidget", "Error pasting nodes"),
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QCoreApplication::translate("NodeCopyPasteWidget", "Failed to paste nodes: %1").arg(reader.errorString()),
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QMessageBox::Ok);
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return QVector<Node*>();
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}
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// Add all nodes to graph
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foreach (Node* n, pasted_nodes) {
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if (command) {
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command->add_child(new NodeAddCommand(graph, n));
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} else {
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n->setParent(graph);
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}
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}
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// Process contexts
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for (auto it=pasted_contexts.cbegin(); it!=pasted_contexts.cend(); it++) {
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Node *context = xml_node_data.node_ptrs.value(it.key());
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if (context) {
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auto map = it.value();
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for (auto jt=map.cbegin(); jt!=map.cend(); jt++) {
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Node *subnode = xml_node_data.node_ptrs.value(jt.key());
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if (subnode) {
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if (command) {
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command->add_child(new NodeSetPositionCommand(subnode, context, jt.value()));
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} else {
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context->SetNodePositionInContext(subnode, jt.value());
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}
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}
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}
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}
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}
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// Make connections
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xml_node_data.PostConnect(data_version, command);
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return pasted_nodes;
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}
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