public EventPropagation DragUpdated(IMGUIEvent evt, IEnumerable <ISelectable> selection, IDropTarget dropTarget)
{
GroupNode firstAncestorOfType = base.parent.GetFirstAncestorOfType <GroupNode>();
bool flag = false;
foreach (ISelectable current in selection)
{
if (current != firstAncestorOfType)
{
GraphElement element = current as GraphElement;
Event imguiEvent = evt.imguiEvent;
if (imguiEvent.shift)
{
if (firstAncestorOfType.ContainsElement(element))
{
firstAncestorOfType.RemoveElement(element);
}
}
else if (!firstAncestorOfType.ContainsElement(element) && element.GetContainingGroupNode() == null)
{
flag = true;
}
}
}
if (flag)
{
base.AddToClassList("dragEntered");
}
else
{
base.RemoveFromClassList("dragEntered");
}
return(EventPropagation.Stop);
}
public EventPropagation DragUpdated(IMGUIEvent evt, IEnumerable <ISelectable> selection, IDropTarget dropTarget)
{
GroupNode group = parent.GetFirstAncestorOfType <GroupNode>();
bool canDrop = false;
foreach (ISelectable selectedElement in selection)
{
if (selectedElement == group)
{
continue;
}
var selectedGraphElement = selectedElement as GraphElement;
Event e = evt.imguiEvent;
if (e.shift)
{
if (group.ContainsElement(selectedGraphElement))
{
group.RemoveElement(selectedGraphElement);
}
}
else
{
if (!group.ContainsElement(selectedGraphElement) && selectedGraphElement.GetContainingGroupNode() == null)
{
canDrop = true;
}
}
}
if (canDrop)
{
AddToClassList("dragEntered");
}
else
{
RemoveFromClassList("dragEntered");
}
return(EventPropagation.Stop);
}
public EventPropagation DragPerform(IMGUIEvent evt, IEnumerable <ISelectable> selection, IDropTarget dropTarget)
{
GroupNode firstAncestorOfType = base.parent.GetFirstAncestorOfType <GroupNode>();
foreach (ISelectable current in selection)
{
if (current != firstAncestorOfType)
{
GraphElement element = current as GraphElement;
if (!firstAncestorOfType.ContainsElement(element) && element.GetContainingGroupNode() == null)
{
firstAncestorOfType.AddElement(element);
}
}
}
base.RemoveFromClassList("dragEntered");
return(EventPropagation.Stop);
}
public EventPropagation DragPerform(IMGUIEvent evt, IEnumerable <ISelectable> selection, IDropTarget dropTarget)
{
GroupNode group = parent.GetFirstAncestorOfType <GroupNode>();
foreach (ISelectable selectedElement in selection)
{
if (selectedElement != group)
{
var selectedGraphElement = selectedElement as GraphElement;
if (group.ContainsElement(selectedGraphElement) || selectedGraphElement.GetContainingGroupNode() != null)
{
continue;
}
group.AddElement(selectedGraphElement);
}
}
RemoveFromClassList("dragEntered");
return(EventPropagation.Stop);
}