private bool ProcessDrag(Event @event)
{
if (NewEdge)
{
//Avoid dragging during a new edge drawing
return(false);
}
if (@event.button == 1)
{
foreach (var node in _graph.Nodes)
{
node.Position += Zoomed(@event.delta);
}
_graph.Offset += Zoomed(@event.delta);
@event.Use();
return(true);
}
if (_selector.IsEmpty)
{
return(false);
}
//Dragging of selected nodes
foreach (var node in _selector)
{
_graph.GetNode(node).Position += Zoomed(@event.delta);
}
@event.Use();
return(true);
}
public void Paste(Vector2 position)
{
_selector.Clean();
var nodes = _copyBuffer.Select(x => _graph.GetNode(x)).ToList();
var offset = GetPositionOffset(position, nodes);
var map = PasteNodes(nodes, offset);
PasteEdges(map);
_selector.Add(map.Values.Select(_graph.GetNode));
GUI.changed = true;
}