private void OnDragPerformEvent(DragPerformEvent evt)
{
var selection = DragAndDrop.GetGenericData("DragSelection") as List <ISelectable>;
if (selection == null)
{
SetDragIndicatorVisible(false);
return;
}
if (selection.OfType <VFXBlackboardCategory>().Any())
{
return;
}
if (m_InsertIndex != -1)
{
var parent = GetFirstAncestorOfType <VFXBlackboard>();
if (parent != null)
{
parent.OnMoveParameter(selection.OfType <VisualElement>().Select(t => t.GetFirstOfType <VFXBlackboardRow>()).Where(t => t != null), this, m_InsertIndex);
}
SetDragIndicatorVisible(false);
evt.StopPropagation();
m_InsertIndex = -1;
}
}
void OnDragPerformEvent(DragPerformEvent e)
{
SetDragIndicatorVisible(false);
var selection = DragAndDrop.GetGenericData("DragSelection") as List<ISelectable>;
if (selection == null)
{
return;
}
var category = selection.OfType<VFXBlackboardCategory>().FirstOrDefault();
if (category == null)
{
return;
}
if (m_InsertIndex != -1)
{
if (m_InsertIndex > IndexOf(category))
--m_InsertIndex;
controller.MoveCategory(category.title, m_InsertIndex - IndexOf(m_DefaultCategory) - 1);
}
SetDragIndicatorVisible(false);
e.StopPropagation();
}
void OnDragPerform(DragPerformEvent e)
{
var stencil = Store.GetState().CurrentGraphModel.Stencil;
var dragNDropHandler = stencil.DragNDropHandler;
dragNDropHandler?.HandleDragPerform(e, Store, DragNDropContext.Blackboard, this);
e.StopPropagation();
}
protected void OnDragPerformEvent(DragPerformEvent evt)
{
var selection = DragAndDrop.GetGenericData("DragSelection") as List <IGraphElementModel>;
if (selection != null && CanAcceptDrop(selection) && m_InsertIndex != -1)
{
OnItemDropped(m_InsertIndex, selection);
}
HideDragIndicator();
evt.StopPropagation();
}
void OnDragPerform(DragPerformEvent evt)
{
RemoveDragIndicator();
if (DragAndDrop.GetGenericData("DragSelection") != null)
{
Vector2 mousePosition = m_BlockContainer.WorldToLocal(evt.mousePosition);
IEnumerable <VFXBlockUI> blocksUI = (DragAndDrop.GetGenericData("DragSelection") as List <ISelectable>).Select(t => t as VFXBlockUI).Where(t => t != null);
if (!CanDrop(blocksUI))
{
return;
}
int blockIndex = GetDragBlockIndex(mousePosition);
BlocksDropped(blockIndex, blocksUI, evt.ctrlKey);
DragAndDrop.AcceptDrag();
m_DragStarted = false;
RemoveFromClassList("dropping");
}
else
{
var references = DragAndDrop.objectReferences.OfType <VisualEffectSubgraphBlock>();
if (references.Count() > 0 && (!controller.viewController.model.isSubgraph || !references.Any(t => t.GetResource().GetOrCreateGraph().subgraphDependencies.Contains(controller.viewController.model.subgraph) || t.GetResource() == controller.viewController.model)))
{
var context = references.First().GetResource().GetOrCreateGraph().children.OfType <VFXBlockSubgraphContext>().FirstOrDefault();
if (context != null && (context.compatibleContextType & controller.model.contextType) == controller.model.contextType)
{
DragAndDrop.AcceptDrag();
Vector2 mousePosition = m_BlockContainer.WorldToLocal(evt.mousePosition);
int blockIndex = GetDragBlockIndex(mousePosition);
VFXBlock newModel = ScriptableObject.CreateInstance <VFXSubgraphBlock>();
newModel.SetSettingValue("m_Subgraph", references.First());
controller.AddBlock(blockIndex, newModel);
}
evt.StopPropagation();
}
}
m_DragStarted = false;
RemoveFromClassList("dropping");
}
void Drop(DragPerformEvent evt, Action <UnityEngine.Object, Vector2> OnDrop)
{
bool atLeastOneAccepted = false;
foreach (UnityEngine.Object obj in DragAndDrop.objectReferences)
{
if (!IsInAcceptedTypes(obj.GetType()))
{
continue;
}
OnDrop.Invoke(obj, evt.localMousePosition);
atLeastOneAccepted = true;
}
if (atLeastOneAccepted)
{
DragAndDrop.AcceptDrag();
evt.StopPropagation();
}
}
private void OnDragPerformEvent(DragPerformEvent evt)
{
var selection = DragAndDrop.GetGenericData("DragSelection") as List <ISelectable>;
if (!CanAcceptDrop(selection))
{
SetDragIndicatorVisible(false);
return;
}
if (m_InsertIndex != -1)
{
List <Tuple <VisualElement, VisualElement> > draggedElements = new List <Tuple <VisualElement, VisualElement> >();
foreach (ISelectable selectedElement in selection)
{
var draggedElement = selectedElement as VisualElement;
if (draggedElement != null && Contains(draggedElement))
{
draggedElements.Add(new Tuple <VisualElement, VisualElement>(FindSectionDirectChild(draggedElement), draggedElement));
}
}
if (draggedElements.Count == 0)
{
SetDragIndicatorVisible(false);
return;
}
// Sorts the dragged elements from their relative order in their parent
draggedElements.Sort((pair1, pair2) => { return(IndexOf(pair1.Item1).CompareTo(IndexOf(pair2.Item1))); });
int insertIndex = m_InsertIndex;
foreach (Tuple <VisualElement, VisualElement> draggedElement in draggedElements)
{
VisualElement sectionDirectChild = draggedElement.Item1;
int indexOfDraggedElement = IndexOf(sectionDirectChild);
if (!((indexOfDraggedElement == insertIndex) || ((insertIndex - 1) == indexOfDraggedElement)))
{
if (blackboard.moveItemRequested != null)
{
blackboard.moveItemRequested(blackboard, m_InsertIndex, draggedElement.Item2);
}
else
{
if (insertIndex == contentContainer.childCount)
{
sectionDirectChild.BringToFront();
}
else
{
sectionDirectChild.PlaceBehind(this[insertIndex]);
}
}
}
if (insertIndex > indexOfDraggedElement) // No need to increment the insert index for the next dragged element if the current dragged element is above the current insert location.
{
continue;
}
insertIndex++;
}
}
SetDragIndicatorVisible(false);
evt.StopPropagation();
}