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::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;
}