void Handler(IMGUIEvent evt, List <ISelectable> selection, IDropTarget dropTarget)
{
if (dropTarget == null || !dropTarget.CanAcceptDrop(selection))
{
return;
}
var propagation = EventPropagation.Continue;
if (evt.imguiEvent.type == EventType.DragUpdated)
{
propagation = dropTarget.DragUpdated(evt, selection, dropTarget);
}
else if (evt.imguiEvent.type == EventType.DragPerform)
{
propagation = dropTarget.DragPerform(evt, selection, dropTarget);
}
else if (evt.imguiEvent.type == EventType.DragExited)
{
propagation = dropTarget.DragExited();
}
// if (propagation == EventPropagation.Stop)
// evt.StopPropagation();
}
private void SendDragAndDropEvent(IMGUIEvent evt, List <ISelectable> selection, IDropTarget dropTarget)
{
if (dropTarget != null && dropTarget.CanAcceptDrop(selection))
{
EventType type = evt.imguiEvent.type;
if (type != EventType.DragUpdated)
{
if (type != EventType.DragPerform)
{
if (type == EventType.DragExited)
{
dropTarget.DragExited();
}
}
else
{
dropTarget.DragPerform(evt, selection, dropTarget);
}
}
else
{
dropTarget.DragUpdated(evt, selection, dropTarget);
}
}
}
private void OnMouseCaptureOutEvent(MouseCaptureOutEvent e)
{
if (m_Active)
{
if (m_PrevDropTarget != null && m_GraphView != null)
{
if (m_PrevDropTarget.CanAcceptDrop(m_GraphView.selection))
{
m_PrevDropTarget.DragExited();
}
}
// Stop processing the event sequence if the target has lost focus, then.
selectedElement = null;
m_PrevDropTarget = null;
m_Active = false;
}
}
static void SendDragAndDropEvent(IDragAndDropEvent evt, List <ISelectable> selection, IDropTarget dropTarget)
{
if (dropTarget == null || !dropTarget.CanAcceptDrop(selection))
{
return;
}
EventBase e = evt as EventBase;
if (e.GetEventTypeId() == DragPerformEvent.TypeId())
{
dropTarget.DragPerform(evt as DragPerformEvent, selection, dropTarget);
}
else if (e.GetEventTypeId() == DragUpdatedEvent.TypeId())
{
dropTarget.DragUpdated(evt as DragUpdatedEvent, selection, dropTarget);
}
else if (e.GetEventTypeId() == DragExitedEvent.TypeId())
{
dropTarget.DragExited();
}
}
static void SendDragAndDropEvent(IDragAndDropEvent evt, List <ISelectable> selection, IDropTarget dropTarget, ISelection dragSource)
{
if (dropTarget == null)
{
return;
}
EventBase e = evt as EventBase;
if (e.eventTypeId == DragExitedEvent.TypeId())
{
dropTarget.DragExited();
}
else if (e.eventTypeId == DragEnterEvent.TypeId())
{
dropTarget.DragEnter(evt as DragEnterEvent, selection, dropTarget, dragSource);
}
else if (e.eventTypeId == DragLeaveEvent.TypeId())
{
dropTarget.DragLeave(evt as DragLeaveEvent, selection, dropTarget, dragSource);
}
if (!dropTarget.CanAcceptDrop(selection))
{
return;
}
if (e.eventTypeId == DragPerformEvent.TypeId())
{
dropTarget.DragPerform(evt as DragPerformEvent, selection, dropTarget, dragSource);
}
else if (e.eventTypeId == DragUpdatedEvent.TypeId())
{
dropTarget.DragUpdated(evt as DragUpdatedEvent, selection, dropTarget, dragSource);
}
}
void SendDragAndDropEvent(IMGUIEvent evt, List <ISelectable> selection, IDropTarget dropTarget)
{
if (dropTarget == null || !dropTarget.CanAcceptDrop(selection))
{
return;
}
switch (evt.imguiEvent.type)
{
case EventType.DragPerform:
dropTarget.DragPerform(evt, selection, dropTarget);
break;
case EventType.DragUpdated:
dropTarget.DragUpdated(evt, selection, dropTarget);
break;
case EventType.DragExited:
dropTarget.DragExited();
break;
default:
break;
}
}
