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o3de/Code/Framework/AzToolsFramework/AzToolsFramework/ToolsComponents/ComponentAssetMimeDataConta...

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3.0 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#include "ComponentAssetMimeDataContainer.h"
#include <AzCore/Serialization/SerializeContext.h>
#include <AzCore/Component/Component.h>
#include <AzCore/Component/ComponentApplicationBus.h>
#include <AzCore/IO/GenericStreams.h>
#include <AzCore/IO/ByteContainerStream.h>
#include <AzCore/Serialization/Utils.h>
#include <AzCore/Serialization/ObjectStream.h>
#include <QtCore/QMimeData>
namespace AzToolsFramework
{
void ComponentAssetMimeData::Reflect(AZ::ReflectContext* context)
{
AZ::SerializeContext* serializeContext = azrtti_cast<AZ::SerializeContext*>(context);
if (serializeContext)
{
serializeContext->Class<ComponentAssetMimeData>()
->Field("m_assetId", &ComponentAssetMimeData::m_assetId)
->Field("m_classId", &ComponentAssetMimeData::m_classId)
->Version(1);
}
}
void ComponentAssetMimeDataContainer::Reflect(AZ::ReflectContext* context)
{
AzToolsFramework::ComponentAssetMimeData::Reflect(context);
AZ::SerializeContext* serializeContext = azrtti_cast<AZ::SerializeContext*>(context);
if (serializeContext)
{
serializeContext->Class<ComponentAssetMimeDataContainer>()
->Field("m_assets", &ComponentAssetMimeDataContainer::m_assets)
->Version(1);
}
}
void ComponentAssetMimeDataContainer::AddComponentAsset(const AZ::Uuid& classId, const AZ::Data::AssetId& assetId)
{
ComponentAssetMimeData newAsset(classId, assetId);
m_assets.push_back(newAsset);
}
void ComponentAssetMimeDataContainer::AddToMimeData(QMimeData* mimeData) const
{
if (mimeData != nullptr)
{
// There are a few conversion steps.
AZStd::vector<char> buffer;
AZ::IO::ByteContainerStream<AZStd::vector<char> > byteStream(&buffer);
AZ::Utils::SaveObjectToStream(byteStream, AZ::DataStream::ST_BINARY, this);
QByteArray dataArray(buffer.data(), static_cast<int>(sizeof(char) * buffer.size()));
mimeData->setData(GetMimeType(), dataArray);
}
}
bool ComponentAssetMimeDataContainer::FromMimeData(const QMimeData* mimeData)
{
if (mimeData != nullptr && mimeData->hasFormat(GetMimeType()))
{
QByteArray arrayData = mimeData->data(GetMimeType());
AZ::IO::MemoryStream ms(arrayData.constData(), arrayData.size());
ComponentAssetMimeDataContainer* pContainer = AZ::Utils::LoadObjectFromStream<ComponentAssetMimeDataContainer>(ms, nullptr);
if (pContainer)
{
m_assets = AZStd::move(pContainer->m_assets);
delete pContainer;
return true;
}
}
return false;
}
}