public void PasteNodesFromClipboard()
{
if (Clipboard.ContainsText() && dockPanel.ActiveDocument is GraphLayoutForm)
{
string xml = Clipboard.GetText();
try
{
YAXSerializer networkSerializer = new YAXSerializer(typeof(MyNetwork), YAXExceptionHandlingPolicies.ThrowErrorsOnly, YAXExceptionTypes.Error, YAXSerializationOptions.DontSerializeNullObjects);
MyNetwork networkToPaste = (MyNetwork)networkSerializer.Deserialize(xml);
networkToPaste.UpdateAfterDeserialization(0, Project);
GraphLayoutForm activeLayout = dockPanel.ActiveDocument as GraphLayoutForm;
activeLayout.Target.AppendGroupContent(networkToPaste);
activeLayout.ReloadContent();
HashSet <int> pastedNodes = new HashSet <int>();
networkToPaste.Children.ForEach(node => pastedNodes.Add(node.Id));
List <MyNodeView> pastedNodeViews = new List <MyNodeView>();
RectangleF? pastedBounds = null;
Graphics context = activeLayout.Desktop.CreateGraphics();
foreach (MyNodeView nodeView in activeLayout.Desktop.Nodes)
{
if (pastedNodes.Contains(nodeView.Node.Id))
{
pastedNodeViews.Add(nodeView);
SizeF size = GraphRenderer.Measure(context, nodeView);
RectangleF bounds = new RectangleF(nodeView.Location, size);
if (pastedBounds.HasValue)
{
pastedBounds = RectangleF.Union(pastedBounds.Value, bounds);
}
else
{
pastedBounds = bounds;
}
}
}
PointF pasteLocation = activeLayout.Desktop.UnprojectPoint(new PointF(20, 20));
if (pastedBounds.HasValue)
{
foreach (MyNodeView nodeView in pastedNodeViews)
{
nodeView.Node.Location = new MyLocation()
{
X = nodeView.Location.X - pastedBounds.Value.Left + pasteLocation.X,
Y = nodeView.Location.Y - pastedBounds.Value.Top + pasteLocation.Y
};
nodeView.UpdateView();
}
}
//select pasted nodes
activeLayout.Desktop.FocusElement = new NodeSelection(pastedNodeViews);
}
catch (Exception e)
{
MyLog.ERROR.WriteLine("Paste failed: " + e.Message);
}
}
}