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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "componentexporter.h"
#include "assetexporter.h"
#include "assetexportpluginconstants.h"
#include "exportnotification.h"
#include "dumpers/nodedumper.h"
#include "model.h"
#include "nodeabstractproperty.h"
#include "nodemetainfo.h"
#include "qmlitemnode.h"
#include "rewriterview.h"
#include "utils/qtcassert.h"
#include <QJsonArray>
#include <QJsonObject>
#include <QLoggingCategory>
#include <QPainter>
namespace {
Q_LOGGING_CATEGORY(loggerInfo, "qtc.designer.assetExportPlugin.modelExporter", QtInfoMsg)
static QByteArrayList populateLineage(const QmlDesigner::ModelNode &node)
{
QByteArrayList lineage;
if (!node.isValid() || node.type().isEmpty())
return {};
for (auto &info : node.metaInfo().superClasses())
lineage.append(info.typeName());
return lineage;
}
}
namespace QmlDesigner {
using namespace Constants;
std::vector<std::unique_ptr<Internal::NodeDumperCreatorBase>> Component::m_readers;
Component::Component(AssetExporter &exporter, const ModelNode &rootNode):
m_exporter(exporter),
m_rootNode(rootNode)
{
m_name = m_rootNode.id();
if (m_name.isEmpty())
m_name = QString::fromUtf8(m_rootNode.type());
}
QJsonObject Component::json() const
{
return m_json;
}
AssetExporter &Component::exporter()
{
return m_exporter;
}
void Component::exportComponent()
{
QTC_ASSERT(m_rootNode.isValid(), return);
m_json = nodeToJson(m_rootNode);
// Change the export type to component
QJsonObject metadata = m_json.value(MetadataTag).toObject();
metadata.insert(ExportTypeTag, ExportTypeComponent);
addReferenceAsset(metadata);
m_json.insert(MetadataTag, metadata);
addImports();
}
const QString &Component::name() const
{
return m_name;
}
NodeDumper *Component::createNodeDumper(const ModelNode &node) const
{
QByteArrayList lineage = populateLineage(node);
std::unique_ptr<NodeDumper> reader;
for (auto &dumperCreator: m_readers) {
std::unique_ptr<NodeDumper> r(dumperCreator->instance(lineage, node));
if (r->isExportable()) {
if (reader) {
if (reader->priority() < r->priority())
reader = std::move(r);
} else {
reader = std::move(r);
}
}
}
if (!reader)
qCDebug(loggerInfo()) << "No dumper for node" << node;
return reader.release();
}
QJsonObject Component::nodeToJson(const ModelNode &node)
{
QJsonObject jsonObject;
// Don't export States, Connection, Timeline etc nodes.
if (!node.isSubclassOf("QtQuick.Item"))
return {};
std::unique_ptr<NodeDumper> dumper(createNodeDumper(node));
if (dumper) {
jsonObject = dumper->json(*this);
} else {
ExportNotification::addError(tr("Error exporting node %1. Cannot parse type %2.")
.arg(node.id()).arg(QString::fromUtf8(node.type())));
}
QJsonArray children;
for (const ModelNode &childnode : node.directSubModelNodes()) {
const QJsonObject childJson = nodeToJson(childnode);
if (!childJson.isEmpty())
children.append(childJson);
}
if (!children.isEmpty())
jsonObject.insert(ChildrenTag, children);
return jsonObject;
}
void Component::addReferenceAsset(QJsonObject &metadataObject) const
{
QPixmap refAsset = m_exporter.generateAsset(m_rootNode);
stichChildrendAssets(m_rootNode, refAsset);
Utils::FilePath refAssetPath = m_exporter.assetPath(m_rootNode, this, "_ref");
m_exporter.exportAsset(refAsset, refAssetPath);
QJsonObject assetData;
if (metadataObject.contains(AssetDataTag))
assetData = metadataObject[AssetDataTag].toObject();
assetData.insert(ReferenceAssetTag, refAssetPath.toString());
metadataObject.insert(AssetDataTag, assetData);
}
void Component::stichChildrendAssets(const ModelNode &node, QPixmap &parentPixmap) const
{
if (!node.hasAnySubModelNodes())
return;
QPainter painter(&parentPixmap);
for (const ModelNode &child : node.directSubModelNodes()) {
QPixmap childPixmap = m_exporter.generateAsset(child);
if (childPixmap.isNull())
continue;
stichChildrendAssets(child, childPixmap);
QTransform cTransform = QmlObjectNode(child).toQmlItemNode().instanceTransform();
painter.setTransform(cTransform);
painter.drawPixmap(QPoint(0, 0), childPixmap);
}
painter.end();
}
void Component::addImports()
{
QJsonArray importsArray;
for (const Import &import : m_rootNode.model()->imports())
importsArray.append(import.toString());
if (!importsArray.empty())
m_json.insert(Constants::ImportsTag, importsArray);
}
} // namespace QmlDesigner
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