Files
UnrealEngine/Engine/Source/Editor/ContentBrowser/Private/SAssetPicker.cpp
2025-05-18 13:04:45 +08:00

943 lines
29 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "SAssetPicker.h"
#include "Algo/Transform.h"
#include "AssetRegistry/AssetData.h"
#include "AssetTextFilter.h"
#include "AssetThumbnail.h"
#include "CollectionManagerModule.h"
#include "CollectionManagerTypes.h"
#include "ContentBrowserDataFilter.h"
#include "ContentBrowserItem.h"
#include "ContentBrowserStyle.h"
#include "ContentBrowserUtils.h"
#include "CoreGlobals.h"
#include "Delegates/Delegate.h"
#include "Editor.h"
#include "Editor/EditorEngine.h"
#include "Filters.h"
#include "Framework/Application/SlateApplication.h"
#include "Framework/Commands/GenericCommands.h"
#include "Framework/Commands/UIAction.h"
#include "Framework/Commands/UICommandList.h"
#include "FrontendFilters.h"
#include "HAL/PlatformCrt.h"
#include "Input/Events.h"
#include "InputCoreTypes.h"
#include "Internationalization/Internationalization.h"
#include "Layout/Children.h"
#include "Layout/Margin.h"
#include "Layout/WidgetPath.h"
#include "Misc/Attribute.h"
#include "Misc/CString.h"
#include "Misc/FilterCollection.h"
#include "Misc/Paths.h"
#include "PropertyHandle.h"
#include "SAssetSearchBox.h"
#include "SAssetView.h"
#include "SContentBrowser.h"
#include "SFilterList.h"
#include "SlotBase.h"
#include "SourceControlOperations.h"
#include "Styling/AppStyle.h"
#include "Styling/ISlateStyle.h"
#include "Styling/SlateColor.h"
#include "Styling/SlateTypes.h"
#include "Templates/UnrealTemplate.h"
#include "Types/ISlateMetaData.h"
#include "Types/WidgetActiveTimerDelegate.h"
#include "UObject/Class.h"
#include "UObject/NameTypes.h"
#include "UObject/TopLevelAssetPath.h"
#include "UObject/UObjectGlobals.h"
#include "Widgets/Images/SImage.h"
#include "Widgets/Input/SButton.h"
#include "Widgets/Input/SCheckBox.h"
#include "Widgets/Input/SComboButton.h"
#include "Widgets/Layout/SSeparator.h"
#include "Widgets/Layout/SSpacer.h"
#include "Widgets/SBoxPanel.h"
#include "Widgets/SWindow.h"
class SWidget;
class UObject;
struct FGeometry;
#define LOCTEXT_NAMESPACE "ContentBrowser"
SAssetPicker::~SAssetPicker()
{
SaveSettings();
}
void SAssetPicker::Construct( const FArguments& InArgs )
{
BindCommands();
OnAssetsActivated = InArgs._AssetPickerConfig.OnAssetsActivated;
OnAssetSelected = InArgs._AssetPickerConfig.OnAssetSelected;
OnAssetDoubleClicked = InArgs._AssetPickerConfig.OnAssetDoubleClicked;
OnAssetEnterPressed = InArgs._AssetPickerConfig.OnAssetEnterPressed;
bPendingFocusNextFrame = InArgs._AssetPickerConfig.bFocusSearchBoxWhenOpened;
DefaultFilterMenuExpansion = InArgs._AssetPickerConfig.DefaultFilterMenuExpansion;
SaveSettingsName = InArgs._AssetPickerConfig.SaveSettingsName;
FilterBarSaveSettingsNameOverride = InArgs._AssetPickerConfig.FilterBarSaveSettingsNameOverride;
OnFolderEnteredDelegate = InArgs._AssetPickerConfig.OnFolderEntered;
OnGetAssetContextMenu = InArgs._AssetPickerConfig.OnGetAssetContextMenu;
OnGetFolderContextMenu = InArgs._AssetPickerConfig.OnGetFolderContextMenu;
// Break up the incoming filter into a sources data and backend filter.
TArray<FCollectionRef> CollectionsFilter = InArgs._AssetPickerConfig.CollectionsFilter;
PRAGMA_DISABLE_DEPRECATION_WARNINGS
if (CollectionsFilter.IsEmpty() && !InArgs._AssetPickerConfig.Collections.IsEmpty())
{
// Fall back to the Collections field for backwards compatibility.
CollectionsFilter.Reserve(InArgs._AssetPickerConfig.Collections.Num());
Algo::Transform(
InArgs._AssetPickerConfig.Collections,
CollectionsFilter,
[](const FCollectionNameType& Collection) { return FCollectionRef(FCollectionManagerModule::GetModule().Get().GetProjectCollectionContainer(), Collection); });
}
PRAGMA_ENABLE_DEPRECATION_WARNINGS
CurrentContentSources = FAssetViewContentSources(InArgs._AssetPickerConfig.Filter.PackagePaths, MoveTemp(CollectionsFilter));
CurrentBackendFilter = InArgs._AssetPickerConfig.Filter;
CurrentBackendFilter.PackagePaths.Reset();
bAllowRename = InArgs._AssetPickerConfig.bAllowRename;
FOnGetContentBrowserItemContextMenu OnGetItemContextMenu;
if (OnGetAssetContextMenu.IsBound() || OnGetFolderContextMenu.IsBound())
{
OnGetItemContextMenu = FOnGetContentBrowserItemContextMenu::CreateSP(this, &SAssetPicker::GetItemContextMenu);
}
if ( InArgs._AssetPickerConfig.bFocusSearchBoxWhenOpened )
{
RegisterActiveTimer( 0.f, FWidgetActiveTimerDelegate::CreateSP( this, &SAssetPicker::SetFocusPostConstruct ) );
}
for (auto DelegateIt = InArgs._AssetPickerConfig.GetCurrentSelectionDelegates.CreateConstIterator(); DelegateIt; ++DelegateIt)
{
if ((*DelegateIt) != nullptr)
{
(**DelegateIt) = FGetCurrentSelectionDelegate::CreateSP(this, &SAssetPicker::GetCurrentSelection);
}
}
for(auto DelegateIt = InArgs._AssetPickerConfig.SyncToAssetsDelegates.CreateConstIterator(); DelegateIt; ++DelegateIt)
{
if((*DelegateIt) != nullptr)
{
(**DelegateIt) = FSyncToAssetsDelegate::CreateSP(this, &SAssetPicker::SyncToAssets);
}
}
for (auto DelegateIt = InArgs._AssetPickerConfig.SetFilterDelegates.CreateConstIterator(); DelegateIt; ++DelegateIt)
{
if ((*DelegateIt) != nullptr)
{
(**DelegateIt) = FSetARFilterDelegate::CreateSP(this, &SAssetPicker::SetNewBackendFilter);
}
}
for (auto DelegateIt = InArgs._AssetPickerConfig.RefreshAssetViewDelegates.CreateConstIterator(); DelegateIt; ++DelegateIt)
{
if ((*DelegateIt) != nullptr)
{
(**DelegateIt) = FRefreshAssetViewDelegate::CreateSP(this, &SAssetPicker::RefreshAssetView);
}
}
TSharedRef<SVerticalBox> VerticalBox = SNew(SVerticalBox);
ChildSlot
[
VerticalBox
];
TAttribute< FText > HighlightText;
EThumbnailLabel::Type ThumbnailLabel = InArgs._AssetPickerConfig.ThumbnailLabel;
FrontendFilters = MakeShareable(new FAssetFilterCollectionType());
TSharedRef<SHorizontalBox> HorizontalBox = SNew(SHorizontalBox);
if (!InArgs._AssetPickerConfig.bAutohideSearchBar)
{
// Search box
HighlightText = TAttribute< FText >(this, &SAssetPicker::GetHighlightedText);
HorizontalBox->AddSlot()
.FillWidth(1.0f)
[
SAssignNew( SearchBoxPtr, SAssetSearchBox )
.HintText(NSLOCTEXT( "ContentBrowser", "SearchBoxHint", "Search Assets" ))
.OnTextChanged( this, &SAssetPicker::OnSearchBoxChanged )
.OnTextCommitted( this, &SAssetPicker::OnSearchBoxCommitted )
.DelayChangeNotificationsWhileTyping( true )
.OnKeyDownHandler( this, &SAssetPicker::HandleKeyDownFromSearchBox )
];
// The 'Other Developers' filter is always on by design.
HorizontalBox->AddSlot()
.AutoWidth()
.Padding(4.f, 0.0f, 0.0f, 0.0f)
[
SNew(SCheckBox)
.Style(FAppStyle::Get(), "ToggleButtonCheckBox")
.ToolTipText(this, &SAssetPicker::GetShowOtherDevelopersToolTip)
.OnCheckStateChanged(this, &SAssetPicker::HandleShowOtherDevelopersCheckStateChanged)
.IsChecked(this, &SAssetPicker::GetShowOtherDevelopersCheckState)
.Padding(4.f)
[
SNew(SImage)
.ColorAndOpacity(FSlateColor::UseForeground())
.Image(UE::ContentBrowser::Private::FContentBrowserStyle::Get().GetBrush("ContentBrowser.ColumnViewDeveloperFolderIcon"))
]
];
}
else
{
HorizontalBox->AddSlot()
.FillWidth(1.0)
[
SNew(SSpacer)
];
}
if (InArgs._AssetPickerConfig.bAddFilterUI)
{
// We create available classes here. These are used to hide away the type filters in the filter list that don't match this list of classes
TArray<UClass*> FilterClassList;
for(auto Iter = CurrentBackendFilter.ClassPaths.CreateIterator(); Iter; ++Iter)
{
FTopLevelAssetPath ClassName = (*Iter);
UClass* FilterClass = FindObject<UClass>(ClassName);
if(FilterClass)
{
FilterClassList.AddUnique(FilterClass);
}
}
SAssignNew(FilterListPtr, SFilterList)
.OnFilterChanged(this, &SAssetPicker::OnFilterChanged)
.FrontendFilters(FrontendFilters)
.InitialClassFilters(FilterClassList)
.FilterBarIdentifier(FName(FilterBarSaveSettingsNameOverride.Get(SaveSettingsName)))
.ExtraFrontendFilters(InArgs._AssetPickerConfig.ExtraFrontendFilters)
.DefaultMenuExpansionCategory(ConvertAssetTypeCategoryToAssetCategoryPath(DefaultFilterMenuExpansion).Get(EAssetCategoryPaths::Basic))
.OnExtendAddFilterMenu(InArgs._AssetPickerConfig.OnExtendAddFilterMenu)
.bUseSectionsForCustomCategories(InArgs._AssetPickerConfig.bUseSectionsForCustomFilterCategories);
FilterComboButtonPtr = StaticCastSharedRef<SComboButton>(SFilterList::MakeAddFilterButton(FilterListPtr.ToSharedRef()));
HorizontalBox->InsertSlot(0)
.AutoWidth()
[
FilterComboButtonPtr.ToSharedRef()
];
}
VerticalBox->AddSlot()
.AutoHeight()
.Padding(8.f, 0.f, 8.f, 8.f)
[
HorizontalBox
];
// "None" button
if (InArgs._AssetPickerConfig.bAllowNullSelection)
{
VerticalBox->AddSlot()
.AutoHeight()
[
SNew(SVerticalBox)
+ SVerticalBox::Slot()
.AutoHeight()
[
SNew(SButton)
.ButtonStyle(UE::ContentBrowser::Private::FContentBrowserStyle::Get(), "ContentBrowser.NoneButton" )
.TextStyle(UE::ContentBrowser::Private::FContentBrowserStyle::Get(), "ContentBrowser.NoneButtonText" )
.Text( LOCTEXT("NoneButtonText", "( None )") )
.ToolTipText( LOCTEXT("NoneButtonTooltip", "Clears the asset selection.") )
.HAlign(HAlign_Center)
.VAlign(VAlign_Center)
.OnClicked(this, &SAssetPicker::OnNoneButtonClicked)
]
// Trailing separator
+ SVerticalBox::Slot()
.AutoHeight()
.Padding(0, 0, 0, 4)
[
SNew(SSeparator)
.Orientation(Orient_Horizontal)
]
];
}
// Asset view
if (InArgs._AssetPickerConfig.bAddFilterUI)
{
VerticalBox->AddSlot()
.AutoHeight()
[
FilterListPtr.ToSharedRef()
];
// Use the 'other developer' filter from the filter list widget.
HideOtherDevelopersFilter = StaticCastSharedPtr<FFilter_HideOtherDevelopers>(FilterListPtr->GetFrontendFilter(TEXT("HideOtherDevelopersBackend")));
}
else
{
// Filter UI is off, but the 'other developer' filter is a built-in feature.
HideOtherDevelopersFilter = MakeShared<FFilter_HideOtherDevelopers>(nullptr, FName(SaveSettingsName));
HideOtherDevelopersFilter->SetActiveInCollection(HideOtherDevelopersFilter.ToSharedRef(), false, *FrontendFilters);
}
// Make game-specific filter
FOnShouldFilterAsset ShouldFilterAssetDelegate;
{
FAssetReferenceFilterContext AssetReferenceFilterContext;
AssetReferenceFilterContext.AddReferencingAssets(InArgs._AssetPickerConfig.AdditionalReferencingAssets);
AssetReferenceFilterContext.AddReferencingAssetsFromPropertyHandle(InArgs._AssetPickerConfig.PropertyHandle);
TSharedPtr<IAssetReferenceFilter> AssetReferenceFilter = GEditor ? GEditor->MakeAssetReferenceFilter(AssetReferenceFilterContext) : nullptr;
if (AssetReferenceFilter.IsValid())
{
FOnShouldFilterAsset ConfigFilter = InArgs._AssetPickerConfig.OnShouldFilterAsset;
ShouldFilterAssetDelegate = FOnShouldFilterAsset::CreateLambda([ConfigFilter, AssetReferenceFilter](const FAssetData& AssetData) -> bool {
if (!AssetReferenceFilter->PassesFilter(AssetData))
{
return true;
}
if (ConfigFilter.IsBound())
{
return ConfigFilter.Execute(AssetData);
}
return false;
});
}
else
{
ShouldFilterAssetDelegate = InArgs._AssetPickerConfig.OnShouldFilterAsset;
}
}
if (!InArgs._AssetPickerConfig.bAutohideSearchBar)
{
TextFilter = MakeShared<FAssetTextFilter>();
}
// clang-format off
VerticalBox->AddSlot()
.FillHeight(1.f)
[
SAssignNew(AssetViewPtr, SAssetView)
.InitialCategoryFilter(EContentBrowserItemCategoryFilter::IncludeAssets)
.SelectionMode( InArgs._AssetPickerConfig.SelectionMode )
.OnShouldFilterAsset(ShouldFilterAssetDelegate)
.OnNewItemRequested(this, &SAssetPicker::HandleNewItemRequested)
.OnItemSelectionChanged(this, &SAssetPicker::HandleItemSelectionChanged)
.OnItemsActivated(this, &SAssetPicker::HandleItemsActivated)
.OnGetItemContextMenu(OnGetItemContextMenu)
.OnIsAssetValidForCustomToolTip(InArgs._AssetPickerConfig.OnIsAssetValidForCustomToolTip)
.OnGetCustomAssetToolTip(InArgs._AssetPickerConfig.OnGetCustomAssetToolTip)
.OnVisualizeAssetToolTip(InArgs._AssetPickerConfig.OnVisualizeAssetToolTip)
.OnAssetToolTipClosing(InArgs._AssetPickerConfig.OnAssetToolTipClosing)
.FrontendFilters(FrontendFilters)
.TextFilter(TextFilter)
.ShowRedirectors(InArgs._AssetPickerConfig.bAddFilterUI ? ContentBrowserUtils::ShouldShowRedirectors(FilterListPtr) : false)
.InitialContentSources(CurrentContentSources)
.InitialBackendFilter(CurrentBackendFilter)
.InitialViewType(InArgs._AssetPickerConfig.InitialAssetViewType)
.InitialAssetSelection(InArgs._AssetPickerConfig.InitialAssetSelection)
.ShowBottomToolbar(InArgs._AssetPickerConfig.bShowBottomToolbar)
.OnAssetTagWantsToBeDisplayed(InArgs._AssetPickerConfig.OnAssetTagWantsToBeDisplayed)
.OnGetCustomSourceAssets(InArgs._AssetPickerConfig.OnGetCustomSourceAssets)
.AllowDragging( InArgs._AssetPickerConfig.bAllowDragging )
.CanShowClasses( InArgs._AssetPickerConfig.bCanShowClasses )
.CanShowFolders( InArgs._AssetPickerConfig.bCanShowFolders )
.CanShowReadOnlyFolders( InArgs._AssetPickerConfig.bCanShowReadOnlyFolders )
.ShowPathInColumnView( InArgs._AssetPickerConfig.bShowPathInColumnView)
.ShowTypeInColumnView( InArgs._AssetPickerConfig.bShowTypeInColumnView)
.ShowViewOptions(false) // We control this in the asset picker
.SortByPathInColumnView( InArgs._AssetPickerConfig.bSortByPathInColumnView)
.FilterRecursivelyWithBackendFilter( false )
.CanShowRealTimeThumbnails( InArgs._AssetPickerConfig.bCanShowRealTimeThumbnails )
.CanShowDevelopersFolder( InArgs._AssetPickerConfig.bCanShowDevelopersFolder )
.ForceShowEngineContent( InArgs._AssetPickerConfig.bForceShowEngineContent )
.ForceShowPluginContent( InArgs._AssetPickerConfig.bForceShowPluginContent )
.HighlightedText( HighlightText )
.ThumbnailLabel( ThumbnailLabel )
.AssetShowWarningText( InArgs._AssetPickerConfig.AssetShowWarningText)
.AllowFocusOnSync(false) // Stop the asset view from stealing focus (we're in control of that)
.HiddenColumnNames(InArgs._AssetPickerConfig.HiddenColumnNames)
.ListHiddenColumnNames(InArgs._AssetPickerConfig.ListHiddenColumnNames)
.CustomColumns(InArgs._AssetPickerConfig.CustomColumns)
.OnSearchOptionsChanged(this, &SAssetPicker::HandleSearchSettingsChanged)
.InitialThumbnailSize(InArgs._AssetPickerConfig.InitialThumbnailSize)
.AssetViewOptionsProfile(InArgs._AssetPickerConfig.AssetViewOptionsProfile)
];
// clang-format on
HorizontalBox->AddSlot()
.AutoWidth()
[
SNew(SComboButton)
.ContentPadding(0.f)
.ComboButtonStyle(&FAppStyle::Get().GetWidgetStyle<FComboButtonStyle>("SimpleComboButton"))
.OnGetMenuContent(AssetViewPtr.ToSharedRef(), &SAssetView::GetViewButtonContent)
.HasDownArrow(false)
.ButtonContent()
[
SNew(SImage)
.ColorAndOpacity(FSlateColor::UseForeground())
.Image(FAppStyle::Get().GetBrush("Icons.Settings"))
]
];
LoadSettings();
if (TextFilter.IsValid())
{
bool bClassNamesProvided = (InArgs._AssetPickerConfig.Filter.ClassPaths.Num() != 1);
TextFilter->SetIncludeClassName(bClassNamesProvided || AssetViewPtr->IsIncludingClassNames());
TextFilter->SetIncludeAssetPath(AssetViewPtr->IsIncludingAssetPaths());
TextFilter->SetIncludeCollectionNames(AssetViewPtr->IsIncludingCollectionNames());
}
AssetViewPtr->RequestSlowFullListRefresh();
}
TSharedPtr<SWidget> SAssetPicker::GetSearchBox() const
{
return SearchBoxPtr;
}
EActiveTimerReturnType SAssetPicker::SetFocusPostConstruct( double InCurrentTime, float InDeltaTime )
{
if (SearchBoxPtr.IsValid())
{
FWidgetPath WidgetToFocusPath;
FSlateApplication::Get().GeneratePathToWidgetUnchecked(SearchBoxPtr.ToSharedRef(), WidgetToFocusPath);
FSlateApplication::Get().SetKeyboardFocus(WidgetToFocusPath, EFocusCause::SetDirectly);
WidgetToFocusPath.GetWindow()->SetWidgetToFocusOnActivate(SearchBoxPtr);
return EActiveTimerReturnType::Stop;
}
return EActiveTimerReturnType::Continue;
}
FReply SAssetPicker::HandleKeyDownFromSearchBox(const FGeometry& MyGeometry, const FKeyEvent& InKeyEvent)
{
// Hide the filter list
if (FilterComboButtonPtr.IsValid())
{
FilterComboButtonPtr->SetIsOpen(false);
}
// Up and down move thru the filtered list
int32 SelectionDelta = 0;
if (InKeyEvent.GetKey() == EKeys::Up)
{
SelectionDelta = -1;
}
else if (InKeyEvent.GetKey() == EKeys::Down)
{
SelectionDelta = +1;
}
if (SelectionDelta != 0)
{
AssetViewPtr->AdjustActiveSelection(SelectionDelta);
return FReply::Handled();
}
return FReply::Unhandled();
}
FReply SAssetPicker::OnKeyDown(const FGeometry& MyGeometry, const FKeyEvent& InKeyEvent)
{
if (InKeyEvent.GetKey() == EKeys::Enter)
{
TArray<FContentBrowserItem> SelectionSet = AssetViewPtr->GetSelectedFileItems();
HandleItemsActivated(SelectionSet, EAssetTypeActivationMethod::Opened);
return FReply::Handled();
}
if (Commands->ProcessCommandBindings(InKeyEvent))
{
return FReply::Handled();
}
return FReply::Unhandled();
}
void SAssetPicker::FolderEntered(const FString& FolderPath)
{
CurrentContentSources.SetVirtualPath(FName(*FolderPath));
AssetViewPtr->SetContentSources(CurrentContentSources);
OnFolderEnteredDelegate.ExecuteIfBound(FolderPath);
}
FText SAssetPicker::GetHighlightedText() const
{
return TextFilter->GetRawFilterText();
}
void SAssetPicker::SetSearchBoxText(const FText& InSearchText)
{
// Has anything changed? (need to test case as the operators are case-sensitive)
if (!InSearchText.ToString().Equals(TextFilter->GetRawFilterText().ToString(), ESearchCase::CaseSensitive))
{
TextFilter->SetRawFilterText(InSearchText);
if (InSearchText.IsEmpty())
{
AssetViewPtr->SetUserSearching(false);
}
else
{
AssetViewPtr->SetUserSearching(true);
}
}
}
void SAssetPicker::OnSearchBoxChanged(const FText& InSearchText)
{
SetSearchBoxText( InSearchText );
}
void SAssetPicker::OnSearchBoxCommitted(const FText& InSearchText, ETextCommit::Type CommitInfo)
{
SetSearchBoxText( InSearchText );
if (CommitInfo == ETextCommit::OnEnter)
{
TArray<FContentBrowserItem> SelectionSet = AssetViewPtr->GetSelectedFileItems();
if ( SelectionSet.Num() == 0 )
{
AssetViewPtr->AdjustActiveSelection(1);
SelectionSet = AssetViewPtr->GetSelectedFileItems();
}
HandleItemsActivated(SelectionSet, EAssetTypeActivationMethod::Opened);
}
}
void SAssetPicker::SetNewBackendFilter(const FARFilter& NewFilter)
{
CurrentContentSources.SetVirtualPaths(NewFilter.PackagePaths);
if(AssetViewPtr.IsValid())
{
AssetViewPtr->SetContentSources(CurrentContentSources);
}
CurrentBackendFilter = NewFilter;
CurrentBackendFilter.PackagePaths.Reset();
// Update the Text filter too, since now class names may no longer matter
if (TextFilter.IsValid())
{
TextFilter->SetIncludeClassName(NewFilter.ClassPaths.Num() != 1);
}
OnFilterChanged();
}
void SAssetPicker::OnFilterChanged()
{
FARFilter Filter;
TArray<TSharedRef<const FPathPermissionList>> CustomPermissionLists;
if ( FilterListPtr.IsValid() )
{
Filter = FilterListPtr->GetCombinedBackendFilter(CustomPermissionLists);
}
else if (!IsShowingOtherDevelopersContent())
{
CustomPermissionLists.Add(HideOtherDevelopersFilter->GetPathPermissionList());
}
Filter.Append(CurrentBackendFilter);
if (AssetViewPtr.IsValid())
{
AssetViewPtr->SetBackendFilter(Filter, &CustomPermissionLists);
}
}
FReply SAssetPicker::OnNoneButtonClicked()
{
OnAssetSelected.ExecuteIfBound(FAssetData());
if (AssetViewPtr.IsValid())
{
AssetViewPtr->ClearSelection(true);
}
return FReply::Handled();
}
void SAssetPicker::HandleNewItemRequested(const FContentBrowserItem& NewItem)
{
// Make sure we are showing the location of the new file (we may have created it in a folder)
const FString ItemOwnerPath = FPaths::GetPath(NewItem.GetVirtualPath().ToString());
FolderEntered(ItemOwnerPath);
}
void SAssetPicker::HandleItemSelectionChanged(const FContentBrowserItem& InSelectedItem, ESelectInfo::Type InSelectInfo)
{
if (InSelectInfo != ESelectInfo::Direct)
{
FAssetData ItemAssetData;
InSelectedItem.Legacy_TryGetAssetData(ItemAssetData);
OnAssetSelected.ExecuteIfBound(ItemAssetData);
}
}
void SAssetPicker::HandleItemsActivated(TArrayView<const FContentBrowserItem> ActivatedItems, EAssetTypeActivationMethod::Type ActivationMethod)
{
FContentBrowserItem FirstActivatedFolder;
TArray<FAssetData> ActivatedAssets;
for (const FContentBrowserItem& ActivatedItem : ActivatedItems)
{
if (ActivatedItem.IsFile())
{
FAssetData ItemAssetData;
if (ActivatedItem.Legacy_TryGetAssetData(ItemAssetData))
{
ActivatedAssets.Add(MoveTemp(ItemAssetData));
}
}
if (ActivatedItem.IsFolder() && !FirstActivatedFolder.IsValid())
{
FirstActivatedFolder = ActivatedItem;
}
}
if (FirstActivatedFolder.IsValid())
{
if (ActivatedAssets.Num() == 0)
{
FolderEntered(FirstActivatedFolder.GetVirtualPath().ToString());
}
return;
}
if (ActivatedAssets.Num() == 0)
{
return;
}
if (ActivationMethod == EAssetTypeActivationMethod::DoubleClicked)
{
if (ActivatedAssets.Num() == 1)
{
OnAssetDoubleClicked.ExecuteIfBound(ActivatedAssets[0]);
}
}
else if (ActivationMethod == EAssetTypeActivationMethod::Opened)
{
OnAssetEnterPressed.ExecuteIfBound(ActivatedAssets);
}
OnAssetsActivated.ExecuteIfBound( ActivatedAssets, ActivationMethod );
}
void SAssetPicker::SyncToAssets(const TArray<FAssetData>& AssetDataList)
{
AssetViewPtr->SyncToLegacy(AssetDataList, TArray<FString>());
}
void SAssetPicker::SyncToItems(TArrayView<const FContentBrowserItem> ItemsToSync, const bool bAllowImplicitSync, const bool bDisableFiltersThatHideAssets)
{
if (bDisableFiltersThatHideAssets)
{
if (FilterListPtr)
{
FilterListPtr->DisableFiltersThatHideItems(ItemsToSync);
}
if (SearchBoxPtr)
{
SetSearchBoxText(FText::GetEmpty());
SearchBoxPtr->SetText(FText::GetEmpty());
SearchBoxPtr->SetError(FText::GetEmpty());
}
}
if (AssetViewPtr)
{
AssetViewPtr->SyncToItems(ItemsToSync, bAllowImplicitSync);
}
}
TArray< FAssetData > SAssetPicker::GetCurrentSelection()
{
return AssetViewPtr->GetSelectedAssets();
}
void SAssetPicker::RefreshAssetView(bool bRefreshSources)
{
if (bRefreshSources)
{
AssetViewPtr->RequestSlowFullListRefresh();
}
else
{
AssetViewPtr->RequestQuickFrontendListRefresh();
}
}
bool SAssetPicker::IsShowingOtherDevelopersContent() const
{
if (FilterListPtr.IsValid())
{
// OtherDevelopersFilter is an inverse filter, so if it is active we are not showing other developers content
return FilterListPtr->IsFrontendFilterActive(HideOtherDevelopersFilter);
}
else
{
for (int32 i=0; i < FrontendFilters->Num(); ++i)
{
if (FrontendFilters->GetFilterAtIndex(i) == HideOtherDevelopersFilter)
{
return false;
}
}
return true;
}
}
FText SAssetPicker::GetShowOtherDevelopersToolTip() const
{
// NOTE: This documents the filter effect rather than the button action.
if (IsShowingOtherDevelopersContent())
{
return LOCTEXT("ShowingOtherDevelopersFilterTooltipText", "Showing Other Developers Assets");
}
else
{
return LOCTEXT("HidingOtherDevelopersFilterTooltipText", "Hiding Other Developers Assets");
}
}
void SAssetPicker::HandleShowOtherDevelopersCheckStateChanged( ECheckBoxState InCheckboxState )
{
if (FilterListPtr) // Filter UI enabled?
{
// Pin+activate or unpin+deactivate the filter. A widget is pinned on the filter UI. It allows the user to activate/deactive the filter independently of the 'checked' state.
FilterListPtr->SetFrontendFilterCheckState(HideOtherDevelopersFilter, InCheckboxState);
}
else
{
if (InCheckboxState == ECheckBoxState::Checked)
{
HideOtherDevelopersFilter->SetActiveInCollection(HideOtherDevelopersFilter.ToSharedRef(), /* do show other developers content*/ false, *FrontendFilters);
}
else
{
HideOtherDevelopersFilter->SetActiveInCollection(HideOtherDevelopersFilter.ToSharedRef(), /* do not show other developers content*/ true, *FrontendFilters);
}
}
OnFilterChanged();
}
ECheckBoxState SAssetPicker::GetShowOtherDevelopersCheckState() const
{
if (FilterListPtr) // Filter UI enabled?
{
return FilterListPtr->GetFrontendFilterCheckState(HideOtherDevelopersFilter); // Tells whether the 'other developer' filter is pinned on the filter UI. (The filter itself may be active or not).
}
else
{
if (IsShowingOtherDevelopersContent())
{
return ECheckBoxState::Checked;
}
else
{
return ECheckBoxState::Unchecked;
}
}
}
void SAssetPicker::OnRenameRequested() const
{
const TArray<FContentBrowserItem> SelectedItems = AssetViewPtr->GetSelectedItems();
if (SelectedItems.Num() == 1)
{
AssetViewPtr->RenameItem(SelectedItems[0]);
}
}
bool SAssetPicker::CanExecuteRenameRequested()
{
if(!bAllowRename)
{
return false;
}
return ContentBrowserUtils::CanRenameFromAssetView(AssetViewPtr);
}
void SAssetPicker::ExecuteRenameCommand()
{
if (Commands.IsValid())
{
Commands->TryExecuteAction(FGenericCommands::Get().Rename.ToSharedRef());
}
}
void SAssetPicker::BindCommands()
{
Commands = MakeShareable(new FUICommandList);
// bind commands
Commands->MapAction( FGenericCommands::Get().Rename, FUIAction(
FExecuteAction::CreateSP( this, &SAssetPicker::OnRenameRequested ),
FCanExecuteAction::CreateSP( this, &SAssetPicker::CanExecuteRenameRequested )
));
}
void SAssetPicker::LoadSettings()
{
const FString& SettingsString = SaveSettingsName;
if ( !SettingsString.IsEmpty() )
{
// Load all our data using the settings string as a key in the user settings ini
if (FilterListPtr.IsValid())
{
FilterListPtr->LoadSettings();
}
AssetViewPtr->LoadSettings(GEditorPerProjectIni, SContentBrowser::SettingsIniSection, SettingsString);
}
}
void SAssetPicker::SaveSettings() const
{
const FString& SettingsString = SaveSettingsName;
if ( !SettingsString.IsEmpty() )
{
// Save all our data using the settings string as a key in the user settings ini
if (FilterListPtr.IsValid())
{
FilterListPtr->SaveSettings();
}
AssetViewPtr->SaveSettings(GEditorPerProjectIni, SContentBrowser::SettingsIniSection, SettingsString);
}
}
void SAssetPicker::HandleSearchSettingsChanged()
{
bool bClassNamesProvided = (FilterListPtr.IsValid() ? FilterListPtr->GetInitialClassFilters().Num() != 1 : false);
TextFilter->SetIncludeClassName(bClassNamesProvided || AssetViewPtr->IsIncludingClassNames());
TextFilter->SetIncludeAssetPath(AssetViewPtr->IsIncludingAssetPaths());
TextFilter->SetIncludeCollectionNames(AssetViewPtr->IsIncludingCollectionNames());
}
TSharedPtr<SWidget> SAssetPicker::GetItemContextMenu(TArrayView<const FContentBrowserItem> SelectedItems)
{
// We may only open the file or folder context menu (folder takes priority), so see whether we have any folders selected
TArray<FContentBrowserItem> SelectedFolders;
for (const FContentBrowserItem& SelectedItem : SelectedItems)
{
if (SelectedItem.IsFolder())
{
SelectedFolders.Add(SelectedItem);
}
}
if (SelectedFolders.Num() > 0)
{
// Folders selected - show the folder menu
TArray<FString> SelectedPackagePaths;
for (const FContentBrowserItem& SelectedFolder : SelectedFolders)
{
FName PackagePath = SelectedFolder.GetInvariantPath();
if (!PackagePath.IsNone())
{
SelectedPackagePaths.Add(PackagePath.ToString());
}
}
if (SelectedPackagePaths.Num() > 0 && OnGetFolderContextMenu.IsBound())
{
return OnGetFolderContextMenu.Execute(SelectedPackagePaths, FContentBrowserMenuExtender_SelectedPaths(), FOnCreateNewFolder::CreateSP(AssetViewPtr.Get(), &SAssetView::NewFolderItemRequested));
}
}
else
{
// Files selected - show the file menu
TArray<FAssetData> SelectedAssets;
for (const FContentBrowserItem& SelectedItem : SelectedItems)
{
FAssetData ItemAssetData;
if (SelectedItem.IsFile() && SelectedItem.Legacy_TryGetAssetData(ItemAssetData))
{
SelectedAssets.Add(MoveTemp(ItemAssetData));
}
}
if (OnGetAssetContextMenu.IsBound())
{
return OnGetAssetContextMenu.Execute(SelectedAssets);
}
}
return nullptr;
}
TOptional<FAssetCategoryPath> SAssetPicker::ConvertAssetTypeCategoryToAssetCategoryPath(EAssetTypeCategories::Type InDefaultFilterMenuExpansion)
{
// TODO We should completely replace EAssetTypeCategories with FAssetCategoryPath, but FAssetCategoryPath is contained in the AssetDefinitionsModule.
// Since the API exposes the DefaultFilterMenuExpansion, we can't easily change this
switch (InDefaultFilterMenuExpansion)
{
case EAssetTypeCategories::Basic:
return EAssetCategoryPaths::Basic;
case EAssetTypeCategories::Animation:
return EAssetCategoryPaths::Animation;
case EAssetTypeCategories::Materials:
return EAssetCategoryPaths::Material;
case EAssetTypeCategories::Sounds:
return EAssetCategoryPaths::Audio;
case EAssetTypeCategories::Physics:
return EAssetCategoryPaths::Physics;
case EAssetTypeCategories::UI:
return EAssetCategoryPaths::UI;
case EAssetTypeCategories::Misc:
return EAssetCategoryPaths::Misc;
case EAssetTypeCategories::Gameplay:
return EAssetCategoryPaths::Gameplay;
case EAssetTypeCategories::Blueprint:
return EAssetCategoryPaths::Blueprint;
case EAssetTypeCategories::Media:
return EAssetCategoryPaths::Media;
case EAssetTypeCategories::Textures:
return EAssetCategoryPaths::Texture;
case EAssetTypeCategories::World:
break;
case EAssetTypeCategories::FX:
return EAssetCategoryPaths::FX;
}
return TOptional<FAssetCategoryPath>();
}
#undef LOCTEXT_NAMESPACE