void OnDragUpdated(DragUpdatedEvent e)
{
var stencil = Store.GetState().CurrentGraphModel.Stencil;
var dragNDropHandler = stencil.DragNDropHandler;
dragNDropHandler?.HandleDragUpdated(e, DragNDropContext.Blackboard);
e.StopPropagation();
}
void OnDragUpdatedEvent(DragUpdatedEvent e)
{
var selection = DragAndDrop.GetGenericData("DragSelection") as List<ISelectable>;
if (selection == null)
{
SetDragIndicatorVisible(false);
return;
}
if (selection.Any(t => !(t is VFXBlackboardCategory)))
{
SetDragIndicatorVisible(false);
return;
}
Vector2 localPosition = e.localMousePosition;
m_InsertIndex = InsertionIndex(localPosition);
if (m_InsertIndex != -1)
{
float indicatorY = 0;
if (m_InsertIndex == childCount)
{
if (childCount > 0)
{
VisualElement lastChild = this[childCount - 1];
indicatorY = lastChild.ChangeCoordinatesTo(this, new Vector2(0, lastChild.layout.height + lastChild.resolvedStyle.marginBottom)).y;
}
else
{
indicatorY = this.contentRect.height;
}
}
else
{
VisualElement childAtInsertIndex = this[m_InsertIndex];
indicatorY = childAtInsertIndex.ChangeCoordinatesTo(this, new Vector2(0, -childAtInsertIndex.resolvedStyle.marginTop)).y;
}
SetDragIndicatorVisible(true);
m_DragIndicator.style.top = indicatorY - m_DragIndicator.resolvedStyle.height * 0.5f;
DragAndDrop.visualMode = DragAndDropVisualMode.Move;
}
else
{
SetDragIndicatorVisible(false);
}
e.StopPropagation();
}
void DragUpdate(DragUpdatedEvent evt)
{
foreach (UnityEngine.Object obj in DragAndDrop.objectReferences)
{
if (!IsInAcceptedTypes(obj.GetType()))
{
continue;
}
DragAndDrop.visualMode = droppable ? DragAndDropVisualMode.Link : DragAndDropVisualMode.Rejected;
evt.StopPropagation();
}
}
void OnDragUpdated(DragUpdatedEvent evt)
{
Vector2 mousePosition = m_BlockContainer.WorldToLocal(evt.mousePosition);
int blockIndex = GetDragBlockIndex(mousePosition);
if (DragAndDrop.GetGenericData("DragSelection") != null)
{
IEnumerable <VFXBlockUI> blocksUI = (DragAndDrop.GetGenericData("DragSelection") as List <ISelectable>).Select(t => t as VFXBlockUI).Where(t => t != null);
DragAndDrop.visualMode = evt.ctrlKey ? DragAndDropVisualMode.Copy : DragAndDropVisualMode.Move;
DraggingBlocks(blocksUI, blockIndex);
if (!m_DragStarted)
{
// TODO: Do something on first DragUpdated event (initiate drag)
m_DragStarted = true;
AddToClassList("dropping");
}
else
{
// TODO: Do something on subsequent DragUpdated events
}
}
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.visualMode = DragAndDropVisualMode.Link;
evt.StopPropagation();
DraggingBlocks(Enumerable.Empty <VFXBlockUI>(), blockIndex);
if (!m_DragStarted)
{
// TODO: Do something on first DragUpdated event (initiate drag)
m_DragStarted = true;
AddToClassList("dropping");
}
}
}
}
}
protected void OnDragUpdatedEvent(DragUpdatedEvent evt)
{
var draggedObjects = DragAndDrop.GetGenericData("DragSelection") as List <IGraphElementModel>;
if (!CanAcceptDrop(draggedObjects))
{
HideDragIndicator();
return;
}
m_InsertIndex = InsertionIndex(evt.localMousePosition);
if (m_InsertIndex != -1)
{
float indicatorY;
if (m_InsertIndex == childCount)
{
VisualElement lastChild = this[m_InsertIndex - 1];
indicatorY = lastChild.ChangeCoordinatesTo(this,
new Vector2(0, lastChild.layout.height + lastChild.resolvedStyle.marginBottom)).y;
}
else
{
VisualElement childAtInsertIndex = this[m_InsertIndex];
indicatorY = childAtInsertIndex.ChangeCoordinatesTo(this,
new Vector2(0, -childAtInsertIndex.resolvedStyle.marginTop)).y;
}
ShowDragIndicator(indicatorY);
DragAndDrop.visualMode = DragAndDropVisualMode.Move;
}
else
{
HideDragIndicator();
}
evt.StopPropagation();
}
private void OnDragUpdatedEvent(DragUpdatedEvent evt)
{
var selection = DragAndDrop.GetGenericData("DragSelection") as List <ISelectable>;
if (!CanAcceptDrop(selection))
{
SetDragIndicatorVisible(false);
return;
}
VisualElement sourceItem = null;
foreach (ISelectable selectedElement in selection)
{
sourceItem = selectedElement as VisualElement;
if (sourceItem == null)
{
continue;
}
}
if (!Contains(sourceItem))
{
SetDragIndicatorVisible(false);
return;
}
Vector2 localPosition = evt.localMousePosition;
m_InsertIndex = InsertionIndex(localPosition);
if (m_InsertIndex != -1)
{
float indicatorY = 0;
if (m_InsertIndex == childCount)
{
VisualElement lastChild = this[childCount - 1];
indicatorY = lastChild.ChangeCoordinatesTo(this, new Vector2(0, lastChild.layout.height + lastChild.resolvedStyle.marginBottom)).y;
}
else
{
VisualElement childAtInsertIndex = this[m_InsertIndex];
indicatorY = childAtInsertIndex.ChangeCoordinatesTo(this, new Vector2(0, -childAtInsertIndex.resolvedStyle.marginTop)).y;
}
SetDragIndicatorVisible(true);
m_DragIndicator.layout = new Rect(0, indicatorY - m_DragIndicator.layout.height / 2, layout.width, m_DragIndicator.layout.height);
}
else
{
SetDragIndicatorVisible(false);
m_InsertIndex = -1;
}
if (m_InsertIndex != -1)
{
DragAndDrop.visualMode = DragAndDropVisualMode.Move;
}
evt.StopPropagation();
}
private void OnDragUpdatedEvent(DragUpdatedEvent evt)
{
var selection = DragAndDrop.GetGenericData("DragSelection") as List <ISelectable>;
if (selection == null)
{
SetDragIndicatorVisible(false);
return;
}
if (selection.Any(t => !(t is VFXBlackboardField)))
{
SetDragIndicatorVisible(false);
return;
}
Vector2 localPosition = evt.localMousePosition;
m_InsertIndex = InsertionIndex(localPosition);
if (m_InsertIndex != -1)
{
float indicatorY = 0;
if (m_InsertIndex == childCount)
{
if (childCount > 0)
{
VisualElement lastChild = this[childCount - 1];
indicatorY = lastChild.ChangeCoordinatesTo(this, new Vector2(0, lastChild.layout.height + lastChild.style.marginBottom)).y;
}
else
{
indicatorY = this.contentRect.height;
}
}
else
{
VisualElement childAtInsertIndex = this[m_InsertIndex];
indicatorY = childAtInsertIndex.ChangeCoordinatesTo(this, new Vector2(0, -childAtInsertIndex.style.marginTop)).y;
}
SetDragIndicatorVisible(true);
m_DragIndicator.layout = new Rect(0, indicatorY - m_DragIndicator.layout.height / 2, layout.width, m_DragIndicator.layout.height);
}
else
{
SetDragIndicatorVisible(false);
m_InsertIndex = -1;
}
if (m_InsertIndex != -1)
{
DragAndDrop.visualMode = evt.ctrlKey ? DragAndDropVisualMode.Copy : DragAndDropVisualMode.Move;
}
evt.StopPropagation();
}
