You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
o3de/Gems/LyShine/Code/Editor/AssetDropHelpers.cpp

107 lines
3.8 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 "AssetDropHelpers.h"
#include <LyShine/UiAssetTypes.h>
#include <AzCore/Asset/AssetTypeInfoBus.h>
#include <AzCore/Slice/SliceAsset.h>
#include <AzToolsFramework/AssetBrowser/AssetBrowserEntry.h>
#include <QMimeData>
namespace AssetDropHelpers
{
using ProductAssetList = AZStd::vector<const AzToolsFramework::AssetBrowser::ProductAssetBrowserEntry*>;
ProductAssetList GetProductsFromAssetMimeData(const QMimeData* mimeData)
{
using namespace AzToolsFramework;
AZStd::vector<AssetBrowser::AssetBrowserEntry*> entries;
AssetBrowser::AssetBrowserEntry::FromMimeData(mimeData, entries);
AZStd::vector<const AssetBrowser::ProductAssetBrowserEntry*> products;
products.reserve(entries.size());
for (AssetBrowser::AssetBrowserEntry* entry : entries)
{
const AssetBrowser::ProductAssetBrowserEntry* browserEntry = azrtti_cast<const AssetBrowser::ProductAssetBrowserEntry*>(entry);
if (browserEntry)
{
products.push_back(browserEntry);
}
else
{
entry->GetChildren<AssetBrowser::ProductAssetBrowserEntry>(products);
}
}
return products;
}
bool AcceptsMimeType(const QMimeData* mimeData)
{
return mimeData && mimeData->hasFormat(AzToolsFramework::AssetBrowser::AssetBrowserEntry::GetMimeType());
}
bool DoesMimeDataContainSliceOrComponentAssets(const QMimeData* mimeData)
{
if (AcceptsMimeType(mimeData))
{
ComponentAssetHelpers::ComponentAssetPairs componentAssetPairs;
AssetList sliceAssets;
DecodeSliceAndComponentAssetsFromMimeData(mimeData, componentAssetPairs, sliceAssets);
return (!componentAssetPairs.empty() || !sliceAssets.empty());
}
return false;
}
void DecodeSliceAndComponentAssetsFromMimeData(const QMimeData* mimeData, ComponentAssetHelpers::ComponentAssetPairs& componentAssetPairs, AssetList& sliceAssets)
{
ProductAssetList products = GetProductsFromAssetMimeData(mimeData);
// Look at all products and determine if they have a slice asset or an asset with an associated component
for (const auto* product : products)
{
if (product->GetAssetType() == AZ::AzTypeInfo<AZ::SliceAsset>::Uuid())
{
sliceAssets.push_back(product->GetAssetId());
}
else
{
bool canCreateComponent = false;
AZ::AssetTypeInfoBus::EventResult(canCreateComponent, product->GetAssetType(), &AZ::AssetTypeInfo::CanCreateComponent, product->GetAssetId());
AZ::TypeId componentType;
AZ::AssetTypeInfoBus::EventResult(componentType, product->GetAssetType(), &AZ::AssetTypeInfo::GetComponentTypeId);
if (canCreateComponent && !componentType.IsNull())
{
componentAssetPairs.push_back(AZStd::make_pair(componentType, product->GetAssetId()));
}
}
}
}
void DecodeUiCanvasAssetsFromMimeData(const QMimeData* mimeData, AssetList& canvasAssets)
{
ProductAssetList products = GetProductsFromAssetMimeData(mimeData);
// Look at all products and determine if they have a UiCanvas asset
for (const auto* product : products)
{
if (product->GetAssetType() == AZ::AzTypeInfo<LyShine::CanvasAsset>::Uuid())
{
canvasAssets.push_back(product->GetAssetId());
}
}
}
} // namespace AssetDropHelpers