public static void PasteOutside(bool reposition, Vector2?position = null)
{
if (!canPasteOutside)
{
throw new InvalidOperationException();
}
UndoUtility.RecordEditedObject("Paste Graph Elements");
var pastedElements = GetPasteGroup();
// Assign new GUIDs
foreach (var pastedElement in pastedElements)
{
pastedElement.guid = Guid.NewGuid();
}
// Add elements to graph and selection
selection.Clear();
foreach (var pastedElement in pastedElements)
{
if (!pastedElement.HandleDependencies())
{
continue;
}
graph.elements.Add(pastedElement);
selection.Add(pastedElement);
}
canvas.Cache();
foreach (var pastedElement in pastedElements)
{
var pastedWidget = canvas.Widget(pastedElement);
pastedWidget.BringToFront();
}
var pastedWidgets = pastedElements.Select(e => canvas.Widget(e)).ToList();
// Recenter elements in graph view
if (reposition)
{
var area = GraphGUI.CalculateArea(pastedWidgets.Where(widget => widget.canDrag));
Vector2 delta;
if (position.HasValue)
{
delta = position.Value - area.position;
}
else
{
delta = graph.pan - area.center;
}
foreach (var pastedWidget in pastedWidgets)
{
if (pastedWidget.canDrag)
{
pastedWidget.position = new Rect(pastedWidget.position.position + delta, pastedWidget.position.size).PixelPerfect();
pastedWidget.Reposition();
pastedWidget.CachePositionFirstPass();
pastedWidget.CachePosition();
}
}
}
// Space out overlapping elements
foreach (var pastedWidget in pastedWidgets)
{
if (pastedWidget.canDrag)
{
var distanciation = 20;
var timeout = 100;
var timeoutIndex = 0;
while (GraphGUI.PositionOverlaps(canvas, pastedWidget, 5))
{
// Space the widget out
pastedWidget.position = new Rect(pastedWidget.position.position + new Vector2(distanciation, distanciation), pastedWidget.position.size).PixelPerfect();
// Calculate the resulting position immediately
pastedWidget.CachePositionFirstPass();
pastedWidget.CachePosition();
// Mark it as invalid still so dependencies like ports will be recached
pastedWidget.Reposition();
// Failsafe to keep the editor from freezing
if (++timeoutIndex > timeout)
{
Debug.LogWarning($"Failed to space out pasted element: {pastedWidget.element}");
break;
}
}
}
}
canvas.Cache();
GUI.changed = true;
e?.TryUse();
}
