void SDetailsView::RemoveDeletedObjects( const TArray<UObject*>& DeletedObjects )
{
TArray< TWeakObjectPtr< UObject > > NewObjectList;
bool bObjectsRemoved = false;
for(const TSharedPtr<FComplexPropertyNode>& ComplexRootNode : RootPropertyNodes)
{
FObjectPropertyNode* RootPropertyNode = ComplexRootNode->AsObjectNode();
// Scan all objects and look for objects which need to be replaced
for ( TPropObjectIterator Itor( RootPropertyNode->ObjectIterator() ); Itor; ++Itor )
{
if( DeletedObjects.Contains( Itor->Get() ) )
{
// An object we had needs to be removed
bObjectsRemoved = true;
}
else
{
// If the deleted object list does not contain the current object, its ok to keep it in the list
NewObjectList.Add( Itor->Get() );
}
}
}
// if any objects were replaced update the observed objects
if( bObjectsRemoved )
{
SetObjectArrayPrivate( NewObjectList );
}
}
TSharedRef<SWidget> SPropertyEditorEditInline::GenerateClassPicker()
{
FClassViewerInitializationOptions Options;
Options.bShowUnloadedBlueprints = true;
Options.bShowDisplayNames = true;
Options.bShowNoneOption = true;
TSharedPtr<FPropertyEditorInlineClassFilter> ClassFilter = MakeShareable( new FPropertyEditorInlineClassFilter );
Options.ClassFilter = ClassFilter;
ClassFilter->bAllowAbstract = false;
const TSharedRef< FPropertyNode > PropertyNode = PropertyEditor->GetPropertyNode();
UProperty* Property = PropertyNode->GetProperty();
ClassFilter->ObjProperty = Cast<UObjectPropertyBase>( Property );
ClassFilter->IntProperty = Cast<UInterfaceProperty>( Property );
FObjectPropertyNode* ObjectPropertyNode = PropertyNode->FindObjectItemParent();
if( ObjectPropertyNode )
{
for ( TPropObjectIterator Itor( ObjectPropertyNode->ObjectIterator() ); Itor; ++Itor )
{
UObject* OwnerObject = Itor->Get();
ClassFilter->LimitToIsAOfAllObjects.Add( OwnerObject );
}
}
Options.PropertyHandle = PropertyEditor->GetPropertyHandle();
FOnClassPicked OnPicked( FOnClassPicked::CreateRaw( this, &SPropertyEditorEditInline::OnClassPicked ) );
return FModuleManager::LoadModuleChecked<FClassViewerModule>("ClassViewer").CreateClassViewer(Options, OnPicked);
}
void SDetailsView::RemoveInvalidObjects()
{
TArray< TWeakObjectPtr< UObject > > ResetArray;
bool bAllFound = true;
for(const TSharedPtr<FComplexPropertyNode>& ComplexRootNode : RootPropertyNodes)
{
FObjectPropertyNode* RootPropertyNode = ComplexRootNode->AsObjectNode();
if(RootPropertyNode)
{
for(TPropObjectIterator Itor(RootPropertyNode->ObjectIterator()); Itor; ++Itor)
{
TWeakObjectPtr<UObject> Object = *Itor;
if(Object.IsValid() && !Object->IsPendingKill())
{
ResetArray.Add(Object);
}
else
{
bAllFound = false;
}
}
}
}
if (!bAllFound)
{
SetObjectArrayPrivate(ResetArray);
}
}
void SDetailsView::SetObjectPackageOverrides(const TMap<TWeakObjectPtr<UObject>, TWeakObjectPtr<UPackage>>& InMapping)
{
for(TSharedPtr<FComplexPropertyNode>& ComplexRootNode : RootPropertyNodes)
{
FObjectPropertyNode* RootNode = ComplexRootNode->AsObjectNode();
if(RootNode)
{
RootNode->SetObjectPackageOverrides(InMapping);
}
}
}
/** Called at the end of SetObjectArray after we change the objects being observed */
void SDetailsView::PostSetObject()
{
DestroyColorPicker();
ColorPropertyNode = nullptr;
FPropertyNodeInitParams InitParams;
InitParams.ParentNode = nullptr;
InitParams.Property = nullptr;
InitParams.ArrayOffset = 0;
InitParams.ArrayIndex = INDEX_NONE;
InitParams.bAllowChildren = true;
InitParams.bForceHiddenPropertyVisibility = FPropertySettings::Get().ShowHiddenProperties();
switch ( DetailsViewArgs.DefaultsOnlyVisibility )
{
case FDetailsViewArgs::EEditDefaultsOnlyNodeVisibility::Hide:
InitParams.bCreateDisableEditOnInstanceNodes = false;
break;
case FDetailsViewArgs::EEditDefaultsOnlyNodeVisibility::Show:
InitParams.bCreateDisableEditOnInstanceNodes = true;
break;
case FDetailsViewArgs::EEditDefaultsOnlyNodeVisibility::Automatic:
InitParams.bCreateDisableEditOnInstanceNodes = HasClassDefaultObject();
break;
default:
check(false);
}
for( TSharedPtr<FComplexPropertyNode>& ComplexRootNode : RootPropertyNodes )
{
FObjectPropertyNode* RootPropertyNode = ComplexRootNode->AsObjectNode();
RootPropertyNode->InitNode( InitParams );
// Restore existing expanded items
RestoreExpandedItems(ComplexRootNode.ToSharedRef());
}
UpdatePropertyMaps();
for( auto ExternalRootNode : ExternalRootPropertyNodes )
{
if( ExternalRootNode.IsValid() )
{
RestoreExpandedItems( ExternalRootNode.Pin().ToSharedRef() );
}
}
UpdateFilteredDetails();
}
/** Called before during SetObjectArray before we change the objects being observed */
void SDetailsView::PreSetObject(int32 InNewNumObjects)
{
// Save existing expanded items first
for(TSharedPtr<FComplexPropertyNode>& RootNode : RootPropertyNodes)
{
SaveExpandedItems(RootNode.ToSharedRef());
RootNodesPendingKill.Add(RootNode);
FObjectPropertyNode* RootObjectNode = RootNode->AsObjectNode();
RootObjectNode->RemoveAllObjects();
RootObjectNode->ClearCachedReadAddresses(true);
RootObjectNode->ClearObjectPackageOverrides();
}
for( auto ExternalRootNode : ExternalRootPropertyNodes )
{
if( ExternalRootNode.IsValid() )
{
SaveExpandedItems( ExternalRootNode.Pin().ToSharedRef() );
FComplexPropertyNode* ComplexNode = ExternalRootNode.Pin()->AsComplexNode();
if(ComplexNode)
{
ComplexNode->Disconnect();
}
}
}
ExternalRootPropertyNodes.Empty();
RootPropertyNodes.Empty(InNewNumObjects);
if(DetailsViewArgs.bAllowMultipleTopLevelObjects)
{
for(int32 NewRootIndex = 0; NewRootIndex < InNewNumObjects; ++NewRootIndex)
{
RootPropertyNodes.Add(MakeShareable(new FObjectPropertyNode));
}
}
else
{
RootPropertyNodes.Add(MakeShareable(new FObjectPropertyNode));
}
SelectedActors.Empty();
SelectedObjects.Empty();
}
void SDetailsView::ReplaceObjects( const TMap<UObject*, UObject*>& OldToNewObjectMap )
{
TArray< TWeakObjectPtr< UObject > > NewObjectList;
bool bObjectsReplaced = false;
TArray< FObjectPropertyNode* > ObjectNodes;
for(TSharedPtr<FComplexPropertyNode>& RootNode : RootPropertyNodes)
{
PropertyEditorHelpers::CollectObjectNodes(RootNode, ObjectNodes );
}
for( int32 ObjectNodeIndex = 0; ObjectNodeIndex < ObjectNodes.Num(); ++ObjectNodeIndex )
{
FObjectPropertyNode* CurrentNode = ObjectNodes[ObjectNodeIndex];
// Scan all objects and look for objects which need to be replaced
for ( TPropObjectIterator Itor( CurrentNode->ObjectIterator() ); Itor; ++Itor )
{
UObject* Replacement = OldToNewObjectMap.FindRef( Itor->Get() );
if( Replacement && Replacement->GetClass() == Itor->Get()->GetClass() )
{
bObjectsReplaced = true;
if( CurrentNode->IsRootNode() )
{
// Note: only root objects count for the new object list. Sub-Objects (i.e components count as needing to be replaced but they don't belong in the top level object list
NewObjectList.Add( Replacement );
}
}
else if( CurrentNode->IsRootNode() )
{
// Note: only root objects count for the new object list. Sub-Objects (i.e components count as needing to be replaced but they don't belong in the top level object list
NewObjectList.Add( Itor->Get() );
}
}
}
if( bObjectsReplaced )
{
SetObjectArrayPrivate( NewObjectList );
}
}
void SPropertyEditorEditInline::OnClassPicked(UClass* InClass)
{
TArray<FObjectBaseAddress> ObjectsToModify;
TArray<FString> NewValues;
const TSharedRef< FPropertyNode > PropertyNode = PropertyEditor->GetPropertyNode();
FObjectPropertyNode* ObjectNode = PropertyNode->FindObjectItemParent();
if( ObjectNode )
{
for ( TPropObjectIterator Itor( ObjectNode->ObjectIterator() ) ; Itor ; ++Itor )
{
FString NewValue;
if (InClass)
{
UObject* Object = Itor->Get();
UObject* UseOuter = (InClass->IsChildOf(UClass::StaticClass()) ? Cast<UClass>(Object)->GetDefaultObject() : Object);
EObjectFlags MaskedOuterFlags = UseOuter ? UseOuter->GetMaskedFlags(RF_PropagateToSubObjects) : RF_NoFlags;
if (UseOuter && UseOuter->HasAnyFlags(RF_ClassDefaultObject | RF_ArchetypeObject))
{
MaskedOuterFlags |= RF_ArchetypeObject;
}
UObject* NewObject = StaticConstructObject(InClass, UseOuter, NAME_None, MaskedOuterFlags, NULL);
NewValue = NewObject->GetPathName();
}
else
{
NewValue = FName(NAME_None).ToString();
}
NewValues.Add(NewValue);
}
const TSharedRef< IPropertyHandle > PropertyHandle = PropertyEditor->GetPropertyHandle();
PropertyHandle->SetPerObjectValues( NewValues );
// Force a rebuild of the children when this node changes
PropertyNode->RequestRebuildChildren();
ComboButton->SetIsOpen(false);
}
}
void SDetailsViewBase::SetColorPropertyFromColorPicker(FLinearColor NewColor)
{
const TSharedPtr< FPropertyNode > PinnedColorPropertyNode = ColorPropertyNode.Pin();
if (ensure(PinnedColorPropertyNode.IsValid()))
{
UProperty* Property = PinnedColorPropertyNode->GetProperty();
check(Property);
FObjectPropertyNode* ObjectNode = PinnedColorPropertyNode->FindObjectItemParent();
if (ObjectNode && ObjectNode->GetNumObjects())
{
FScopedTransaction Transaction(NSLOCTEXT("UnrealEd", "SetColorProperty", "Set Color Property"));
PinnedColorPropertyNode->NotifyPreChange(Property, GetNotifyHook());
FPropertyChangedEvent ChangeEvent(Property, EPropertyChangeType::ValueSet);
PinnedColorPropertyNode->NotifyPostChange(ChangeEvent, GetNotifyHook());
}
}
}
void FDetailLayoutBuilderImpl::GetObjectsBeingCustomized( TArray< TWeakObjectPtr<UObject> >& OutObjects ) const
{
OutObjects.Empty();
// The class to find properties in defaults to the class currently being customized
FName ClassName = CurrentCustomizationClass ? CurrentCustomizationClass->GetFName() : NAME_None;
if( ClassName != NAME_None && CurrentCustomizationVariableName != NAME_None )
{
// If this fails there are no properties associated with the class name provided
FClassInstanceToPropertyMap* ClassInstanceToPropertyMapPtr = PropertyMap.Find( ClassName );
if( ClassInstanceToPropertyMapPtr )
{
FClassInstanceToPropertyMap& ClassInstanceToPropertyMap = *ClassInstanceToPropertyMapPtr;
FPropertyNodeMap* PropertyNodeMapPtr = ClassInstanceToPropertyMap.Find( CurrentCustomizationVariableName );
if( PropertyNodeMapPtr )
{
FPropertyNodeMap& PropertyNodeMap = *PropertyNodeMapPtr;
FObjectPropertyNode* ParentObjectProperty = PropertyNodeMap.ParentProperty ? PropertyNodeMap.ParentProperty->AsObjectNode() : NULL;
if (ParentObjectProperty)
{
for (int32 ObjectIndex = 0; ObjectIndex < ParentObjectProperty->GetNumObjects(); ++ObjectIndex)
{
OutObjects.Add(ParentObjectProperty->GetUObject(ObjectIndex));
}
}
}
}
}
else
{
OutObjects = DetailsView.GetSelectedObjects();
}
}
void SDetailsView::ForceRefresh()
{
TArray< TWeakObjectPtr< UObject > > NewObjectList;
const FRootPropertyNodeList& RootNodes = GetRootNodes();
for(const TSharedPtr<FComplexPropertyNode>& ComplexRootNode : RootNodes)
{
FObjectPropertyNode* RootNode = ComplexRootNode->AsObjectNode();
if(RootNode)
{
// Simply re-add the same existing objects to cause a refresh
for(TPropObjectIterator Itor(RootNode->ObjectIterator()); Itor; ++Itor)
{
TWeakObjectPtr<UObject> Object = *Itor;
if(Object.IsValid())
{
NewObjectList.Add(Object.Get());
}
}
}
}
SetObjectArrayPrivate( NewObjectList );
}
void SDetailsViewBase::UpdateSinglePropertyMapRecursive(FPropertyNode& InNode, FDetailLayoutData& LayoutData, FName CurCategory, FComplexPropertyNode* CurObjectNode, bool bEnableFavoriteSystem, bool bUpdateFavoriteSystemOnly)
{
FDetailLayoutBuilderImpl& DetailLayout = *LayoutData.DetailLayout;
UProperty* ParentProperty = InNode.GetProperty();
UStructProperty* ParentStructProp = Cast<UStructProperty>(ParentProperty);
for(int32 ChildIndex = 0; ChildIndex < InNode.GetNumChildNodes(); ++ChildIndex)
{
//Use the original value for each child
bool LocalUpdateFavoriteSystemOnly = bUpdateFavoriteSystemOnly;
TSharedPtr<FPropertyNode> ChildNodePtr = InNode.GetChildNode(ChildIndex);
FPropertyNode& ChildNode = *ChildNodePtr;
UProperty* Property = ChildNode.GetProperty();
{
FObjectPropertyNode* ObjNode = ChildNode.AsObjectNode();
FCategoryPropertyNode* CategoryNode = ChildNode.AsCategoryNode();
if(ObjNode)
{
// Currently object property nodes do not provide any useful information other than being a container for its children. We do not draw anything for them.
// When we encounter object property nodes, add their children instead of adding them to the tree.
UpdateSinglePropertyMapRecursive(ChildNode, LayoutData, CurCategory, ObjNode, bEnableFavoriteSystem, LocalUpdateFavoriteSystemOnly);
}
else if(CategoryNode)
{
if(!LocalUpdateFavoriteSystemOnly)
{
FName InstanceName = NAME_None;
FName CategoryName = CurCategory;
FString CategoryDelimiterString;
CategoryDelimiterString.AppendChar(FPropertyNodeConstants::CategoryDelimiterChar);
if(CurCategory != NAME_None && CategoryNode->GetCategoryName().ToString().Contains(CategoryDelimiterString))
{
// This property is child of another property so add it to the parent detail category
FDetailCategoryImpl& CategoryImpl = DetailLayout.DefaultCategory(CategoryName);
CategoryImpl.AddPropertyNode(ChildNodePtr.ToSharedRef(), InstanceName);
}
}
// For category nodes, we just set the current category and recurse through the children
UpdateSinglePropertyMapRecursive(ChildNode, LayoutData, CategoryNode->GetCategoryName(), CurObjectNode, bEnableFavoriteSystem, LocalUpdateFavoriteSystemOnly);
}
else
{
// Whether or not the property can be visible in the default detail layout
bool bVisibleByDefault = IsVisibleStandaloneProperty(ChildNode, InNode);
// Whether or not the property is a struct
UStructProperty* StructProperty = Cast<UStructProperty>(Property);
bool bIsStruct = StructProperty != NULL;
static FName ShowOnlyInners("ShowOnlyInnerProperties");
bool bIsChildOfCustomizedStruct = false;
bool bIsCustomizedStruct = false;
const UStruct* Struct = StructProperty ? StructProperty->Struct : NULL;
const UStruct* ParentStruct = ParentStructProp ? ParentStructProp->Struct : NULL;
if(Struct || ParentStruct)
{
FPropertyEditorModule& ParentPlugin = FModuleManager::GetModuleChecked<FPropertyEditorModule>("PropertyEditor");
if(Struct)
{
bIsCustomizedStruct = ParentPlugin.IsCustomizedStruct(Struct, SharedThis(this));
}
if(ParentStruct)
{
bIsChildOfCustomizedStruct = ParentPlugin.IsCustomizedStruct(ParentStruct, SharedThis(this));
}
}
// Whether or not to push out struct properties to their own categories or show them inside an expandable struct
bool bPushOutStructProps = bIsStruct && !bIsCustomizedStruct && !ParentStructProp && Property->HasMetaData(ShowOnlyInners);
// Is the property edit inline new
const bool bIsEditInlineNew = ChildNode.HasNodeFlags(EPropertyNodeFlags::ShowInnerObjectProperties) || SPropertyEditorEditInline::Supports(&ChildNode, ChildNode.GetArrayIndex());
// Is this a property of a container property
bool bIsChildOfContainer = PropertyEditorHelpers::IsChildOfArray(ChildNode) || PropertyEditorHelpers::IsChildOfSet(ChildNode) || PropertyEditorHelpers::IsChildOfMap(ChildNode);
// Edit inline new properties should be visible by default
bVisibleByDefault |= bIsEditInlineNew;
// Children of arrays are not visible directly,
bVisibleByDefault &= !bIsChildOfContainer;
FPropertyAndParent PropertyAndParent(*Property, ParentProperty);
const bool bIsUserVisible = IsPropertyVisible(PropertyAndParent);
// Inners of customized in structs should not be taken into consideration for customizing. They are not designed to be individually customized when their parent is already customized
if(!bIsChildOfCustomizedStruct && !LocalUpdateFavoriteSystemOnly)
{
// Add any object classes with properties so we can ask them for custom property layouts later
LayoutData.ClassesWithProperties.Add(Property->GetOwnerStruct());
}
// If there is no outer object then the class is the object root and there is only one instance
FName InstanceName = NAME_None;
if(CurObjectNode && CurObjectNode->GetParentNode())
{
InstanceName = CurObjectNode->GetParentNode()->GetProperty()->GetFName();
}
else if(ParentStructProp)
{
InstanceName = ParentStructProp->GetFName();
}
// Do not add children of customized in struct properties or arrays
if(!bIsChildOfCustomizedStruct && !bIsChildOfContainer && !LocalUpdateFavoriteSystemOnly)
{
// Get the class property map
FClassInstanceToPropertyMap& ClassInstanceMap = LayoutData.ClassToPropertyMap.FindOrAdd(Property->GetOwnerStruct()->GetFName());
FPropertyNodeMap& PropertyNodeMap = ClassInstanceMap.FindOrAdd(InstanceName);
if(!PropertyNodeMap.ParentProperty)
{
PropertyNodeMap.ParentProperty = CurObjectNode;
}
else
{
ensure(PropertyNodeMap.ParentProperty == CurObjectNode);
}
checkSlow(!PropertyNodeMap.Contains(Property->GetFName()));
PropertyNodeMap.Add(Property->GetFName(), ChildNodePtr);
}
bool bCanDisplayFavorite = false;
if(bVisibleByDefault && bIsUserVisible && !bPushOutStructProps)
{
FName CategoryName = CurCategory;
// For properties inside a struct, add them to their own category unless they just take the name of the parent struct.
// In that case push them to the parent category
FName PropertyCatagoryName = FObjectEditorUtils::GetCategoryFName(Property);
if(!ParentStructProp || (PropertyCatagoryName != ParentStructProp->Struct->GetFName()))
{
CategoryName = PropertyCatagoryName;
}
if(!LocalUpdateFavoriteSystemOnly)
{
if(IsPropertyReadOnly(PropertyAndParent))
{
ChildNode.SetNodeFlags(EPropertyNodeFlags::IsReadOnly, true);
}
// Add a property to the default category
FDetailCategoryImpl& CategoryImpl = DetailLayout.DefaultCategory(CategoryName);
CategoryImpl.AddPropertyNode(ChildNodePtr.ToSharedRef(), InstanceName);
}
bCanDisplayFavorite = true;
if(bEnableFavoriteSystem)
{
if(bIsCustomizedStruct)
{
bCanDisplayFavorite = false;
//CustomizedStruct child are not categorize since they are under an object but we have to put them in favorite category if the user want to favorite them
LocalUpdateFavoriteSystemOnly = true;
}
else if(ChildNodePtr->IsFavorite())
{
//Find or create the favorite category, we have to duplicate favorite property row under this category
FString CategoryFavoritesName = TEXT("Favorites");
FName CatFavName = *CategoryFavoritesName;
FDetailCategoryImpl& CategoryFavImpl = DetailLayout.DefaultCategory(CatFavName);
CategoryFavImpl.SetSortOrder(0);
CategoryFavImpl.SetCategoryAsSpecialFavorite();
//Add the property to the favorite
FObjectPropertyNode *RootObjectParent = ChildNodePtr->FindRootObjectItemParent();
FName RootInstanceName = NAME_None;
if(RootObjectParent != nullptr)
{
RootInstanceName = RootObjectParent->GetObjectBaseClass()->GetFName();
}
if(LocalUpdateFavoriteSystemOnly)
{
if(IsPropertyReadOnly(PropertyAndParent))
{
ChildNode.SetNodeFlags(EPropertyNodeFlags::IsReadOnly, true);
}
else
{
//If the parent has a condition that is not met, make the child as readonly
FDetailLayoutCustomization ParentTmpCustomization;
ParentTmpCustomization.PropertyRow = MakeShareable(new FDetailPropertyRow(InNode.AsShared(), CategoryFavImpl.AsShared()));
if(ParentTmpCustomization.PropertyRow->GetPropertyEditor()->IsPropertyEditingEnabled() == false)
{
ChildNode.SetNodeFlags(EPropertyNodeFlags::IsReadOnly, true);
}
}
}
//Duplicate the row
CategoryFavImpl.AddPropertyNode(ChildNodePtr.ToSharedRef(), RootInstanceName);
}
if(bIsStruct)
{
LocalUpdateFavoriteSystemOnly = true;
}
}
}
ChildNodePtr->SetCanDisplayFavorite(bCanDisplayFavorite);
bool bRecurseIntoChildren =
!bIsChildOfCustomizedStruct // Don't recurse into built in struct children, we already know what they are and how to display them
&& !bIsCustomizedStruct // Don't recurse into customized structs
&& !bIsChildOfContainer // Do not recurse into containers, the children are drawn by the container property parent
&& !bIsEditInlineNew // Edit inline new children are not supported for customization yet
&& bIsUserVisible // Properties must be allowed to be visible by a user if they are not then their children are not visible either
&& (!bIsStruct || bPushOutStructProps); // Only recurse into struct properties if they are going to be displayed as standalone properties in categories instead of inside an expandable area inside a category
if(bRecurseIntoChildren || LocalUpdateFavoriteSystemOnly)
{
// Built in struct properties or children of arras
UpdateSinglePropertyMapRecursive(ChildNode, LayoutData, CurCategory, CurObjectNode, bEnableFavoriteSystem, LocalUpdateFavoriteSystemOnly);
}
}
}
}
}
void SDetailsView::SetObjectArrayPrivate(const TArray< TWeakObjectPtr< UObject > >& InObjects)
{
double StartTime = FPlatformTime::Seconds();
PreSetObject(InObjects.Num());
// Selected actors for building SelectedActorInfo
TArray<AActor*> SelectedRawActors;
bViewingClassDefaultObject = InObjects.Num() > 0 ? true : false;
bool bOwnedByLockedLevel = false;
for( int32 ObjectIndex = 0 ; ObjectIndex < InObjects.Num(); ++ObjectIndex )
{
TWeakObjectPtr< UObject > Object = InObjects[ObjectIndex];
if( Object.IsValid() )
{
bViewingClassDefaultObject &= Object->HasAnyFlags( RF_ClassDefaultObject );
if(DetailsViewArgs.bAllowMultipleTopLevelObjects)
{
check(RootPropertyNodes.Num() == InObjects.Num());
RootPropertyNodes[ObjectIndex]->AsObjectNode()->AddObject( Object.Get() );
}
else
{
RootPropertyNodes[0]->AsObjectNode()->AddObject( Object.Get() );
}
SelectedObjects.Add( Object );
AActor* Actor = Cast<AActor>( Object.Get() );
if( Actor )
{
SelectedActors.Add( Actor );
SelectedRawActors.Add( Actor );
}
}
}
if( InObjects.Num() == 0 )
{
// Unlock the view automatically if we are viewing nothing
bIsLocked = false;
}
// Selection changed, refresh the detail area
if ( DetailsViewArgs.NameAreaSettings != FDetailsViewArgs::ActorsUseNameArea && DetailsViewArgs.NameAreaSettings != FDetailsViewArgs::ComponentsAndActorsUseNameArea )
{
NameArea->Refresh( SelectedObjects );
}
else
{
NameArea->Refresh( SelectedActors, SelectedObjects, DetailsViewArgs.NameAreaSettings );
}
// When selection changes rebuild information about the selection
SelectedActorInfo = AssetSelectionUtils::BuildSelectedActorInfo( SelectedRawActors );
// @todo Slate Property Window
//SetFlags(EPropertyWindowFlags::ReadOnly, bOwnedByLockedLevel);
PostSetObject();
// Set the title of the window based on the objects we are viewing
// Or call the delegate for handling when the title changed
FString Title;
if( GetNumObjects() == 0 )
{
Title = NSLOCTEXT("PropertyView", "NothingSelectedTitle", "Nothing selected").ToString();
}
else if( GetNumObjects() == 1 && RootPropertyNodes[0]->AsObjectNode()->GetNumObjects() > 0)
{
// if the object is the default metaobject for a UClass, use the UClass's name instead
UObject* Object = RootPropertyNodes[0]->AsObjectNode()->GetUObject(0);
FString ObjectName = Object->GetName();
if ( Object->GetClass()->GetDefaultObject() == Object )
{
ObjectName = Object->GetClass()->GetName();
}
else
{
// Is this an actor? If so, it might have a friendly name to display
const AActor* Actor = Cast<const AActor >( Object );
if( Actor != nullptr)
{
// Use the friendly label for this actor
ObjectName = Actor->GetActorLabel();
}
}
Title = ObjectName;
}
else if(DetailsViewArgs.bAllowMultipleTopLevelObjects)
{
Title = FString::Printf(*NSLOCTEXT("PropertyView", "MultipleToLevelObjectsSelected", "%i selected").ToString(), GetNumObjects());
}
else
{
FObjectPropertyNode* RootPropertyNode = RootPropertyNodes[0]->AsObjectNode();
Title = FString::Printf( *NSLOCTEXT("PropertyView", "MultipleSelected", "%s (%i selected)").ToString(), *RootPropertyNode->GetObjectBaseClass()->GetName(), RootPropertyNode->GetNumObjects() );
}
OnObjectArrayChanged.ExecuteIfBound(Title, InObjects);
double ElapsedTime = FPlatformTime::Seconds() - StartTime;
}
bool SDetailsView::ShouldSetNewObjects(const TArray< TWeakObjectPtr< UObject > >& InObjects) const
{
bool bShouldSetObjects = false;
const bool bHadBSPBrushSelected = SelectedActorInfo.bHaveBSPBrush;
if( bHadBSPBrushSelected == true )
{
// If a BSP brush was selected we need to refresh because surface could have been selected and the object set not updated
bShouldSetObjects = true;
}
else if( InObjects.Num() != GetNumObjects() )
{
// If the object arrays differ in size then at least one object is different so we must reset
bShouldSetObjects = true;
}
else if(InObjects.Num() == 0)
{
// User is likely resetting details panel
bShouldSetObjects = true;
}
else
{
// Check to see if the objects passed in are different. If not we do not need to set anything
TSet< TWeakObjectPtr< UObject > > NewObjects;
NewObjects.Append(InObjects);
if(DetailsViewArgs.bAllowMultipleTopLevelObjects)
{
// For multiple top level node support, if the single object in each node is not found in the new object set
// then we need to refresh
for(int32 RootNodeIndex = 0; RootNodeIndex < RootPropertyNodes.Num(); ++RootNodeIndex)
{
FObjectPropertyNode* RootPropertyNode = RootPropertyNodes[RootNodeIndex]->AsObjectNode();
if(RootPropertyNode && RootPropertyNode->GetNumObjects() > 0)
{
if(!NewObjects.Contains(RootPropertyNode->GetUObject(0)))
{
bShouldSetObjects = true;
break;
}
}
else
{
bShouldSetObjects = true;
break;
}
}
}
else
{
ensure(RootPropertyNodes.Num() == 1);
FObjectPropertyNode* RootPropertyNode = RootPropertyNodes[0]->AsObjectNode();
if( RootPropertyNode )
{
for(TPropObjectIterator Itor(RootPropertyNode->ObjectIterator()); Itor; ++Itor)
{
TWeakObjectPtr<UObject> Object = *Itor;
if(Object.IsValid() && !NewObjects.Contains(Object))
{
// An existing object is not in the list of new objects to set
bShouldSetObjects = true;
break;
}
else if(!Object.IsValid())
{
// An existing object is invalid
bShouldSetObjects = true;
break;
}
}
}
else
{
bShouldSetObjects = true;
}
}
}
if (!bShouldSetObjects && AssetSelectionUtils::IsAnySurfaceSelected(nullptr))
{
bShouldSetObjects = true;
}
return bShouldSetObjects;
}
