void FUMGSequencerObjectBindingManager::BindPossessableObject( const FGuid& PossessableGuid, UObject& PossessedObject )
{
UPanelSlot* PossessedSlot = Cast<UPanelSlot>(&PossessedObject);
if ( PossessedSlot != nullptr && PossessedSlot->Content != nullptr )
{
SlotContentPreviewObjectToGuidMap.Add(PossessedSlot->Content, PossessableGuid);
GuidToSlotContentPreviewObjectsMap.Add(PossessableGuid, PossessedSlot->Content);
// Save the name of the widget containing the slots. This is the object to look up that contains the slot itself(the thing we are animating)
FWidgetAnimationBinding NewBinding;
NewBinding.AnimationGuid = PossessableGuid;
NewBinding.SlotWidgetName = PossessedSlot->GetFName();
NewBinding.WidgetName = PossessedSlot->Content->GetFName();
WidgetAnimation->AnimationBindings.Add(NewBinding);
}
else if( PossessedSlot == nullptr )
{
PreviewObjectToGuidMap.Add(&PossessedObject, PossessableGuid);
GuidToPreviewObjectsMap.Add(PossessableGuid, &PossessedObject);
FWidgetAnimationBinding NewBinding;
NewBinding.AnimationGuid = PossessableGuid;
NewBinding.WidgetName = PossessedObject.GetFName();
WidgetAnimation->AnimationBindings.Add(NewBinding);
}
}
bool UPanelWidget::RemoveChildAt(int32 Index)
{
if ( Index < 0 || Index >= Slots.Num() )
{
return false;
}
UPanelSlot* PanelSlot = Slots[Index];
if ( PanelSlot->Content )
{
PanelSlot->Content->Slot = nullptr;
}
Slots.RemoveAt(Index);
OnSlotRemoved(PanelSlot);
const bool bReleaseChildren = true;
PanelSlot->ReleaseSlateResources(bReleaseChildren);
PanelSlot->Parent = nullptr;
PanelSlot->Content = nullptr;
InvalidateLayoutAndVolatility();
return true;
}
UPanelSlot* UPanelWidget::AddChild(UWidget* Content)
{
if ( Content == nullptr )
{
return nullptr;
}
if ( !bCanHaveMultipleChildren && GetChildrenCount() > 0 )
{
return nullptr;
}
Content->RemoveFromParent();
UPanelSlot* PanelSlot = NewObject<UPanelSlot>(this, GetSlotClass());
PanelSlot->SetFlags(RF_Transactional);
PanelSlot->Content = Content;
PanelSlot->Parent = this;
if ( Content )
{
Content->Slot = PanelSlot;
}
Slots.Add(PanelSlot);
OnSlotAdded(PanelSlot);
InvalidateLayoutAndVolatility();
return PanelSlot;
}
void UWidgetAnimation::BindPossessableObject(const FGuid& ObjectId, UObject& PossessedObject, UObject* Context)
{
// If it's the Root Widget
if (&PossessedObject == PreviewWidget.Get())
{
PreviewObjectToIds.Add(&PossessedObject, ObjectId);
IdToPreviewObjects.Add(ObjectId, &PossessedObject);
FWidgetAnimationBinding NewBinding;
{
NewBinding.AnimationGuid = ObjectId;
NewBinding.WidgetName = PossessedObject.GetFName();
NewBinding.bIsRootWidget = true;
}
AnimationBindings.Add(NewBinding);
return;
}
UPanelSlot* PossessedSlot = Cast<UPanelSlot>(&PossessedObject);
if ((PossessedSlot != nullptr) && (PossessedSlot->Content != nullptr))
{
SlotContentPreviewObjectToIds.Add(PossessedSlot->Content, ObjectId);
IdToSlotContentPreviewObjects.Add(ObjectId, PossessedSlot->Content);
// Save the name of the widget containing the slots. This is the object
// to look up that contains the slot itself (the thing we are animating).
FWidgetAnimationBinding NewBinding;
{
NewBinding.AnimationGuid = ObjectId;
NewBinding.SlotWidgetName = PossessedSlot->GetFName();
NewBinding.WidgetName = PossessedSlot->Content->GetFName();
NewBinding.bIsRootWidget = false;
}
AnimationBindings.Add(NewBinding);
}
else if (PossessedSlot == nullptr)
{
PreviewObjectToIds.Add(&PossessedObject, ObjectId);
IdToPreviewObjects.Add(ObjectId, &PossessedObject);
FWidgetAnimationBinding NewBinding;
{
NewBinding.AnimationGuid = ObjectId;
NewBinding.WidgetName = PossessedObject.GetFName();
NewBinding.bIsRootWidget = false;
}
AnimationBindings.Add(NewBinding);
}
}
bool UPanelWidget::ReplaceChildAt(int32 Index, UWidget* Content)
{
if ( Index < 0 || Index >= Slots.Num() )
{
return false;
}
UPanelSlot* PanelSlot = Slots[Index];
PanelSlot->Content = Content;
if ( Content )
{
Content->Slot = PanelSlot;
}
PanelSlot->SynchronizeProperties();
return true;
}