protected void AddNode(string type, Point p)
{
Node n = null;
UINode unode = null;
n = Graph.CreateNode(type);
if (n != null)
{
if (n is GraphInstanceNode)
{
GraphInstanceNode gn = (GraphInstanceNode)n;
gn.Load(type);
}
Modified = true;
n.ViewOriginX = p.X;
n.ViewOriginY = p.Y;
Graph.Add(n);
unode = new UINode(n, this, p.X, p.Y, XShift, YShift, Scale);
unode.HorizontalAlignment = HorizontalAlignment.Left;
unode.VerticalAlignment = VerticalAlignment.Top;
lookup[n.Id] = unode;
ViewPort.Children.Add(unode);
GraphNodes.Add(unode);
UndoRedoManager.AddUndo(new UndoCreateNode(Id, unode.Id, this));
}
}
/// <summary>
/// Helper for Undeo Redo System. Does not trigger new undo added to stack.
/// </summary>
/// <param name="json"></param>
/// <param name="p"></param>
/// <returns></returns>
public UINode AddNodeFromJson(string json, Point p)
{
try
{
Node.NodeData nd = JsonConvert.DeserializeObject <Node.NodeData>(json);
if (nd == null)
{
return(null);
}
Node n = null;
UINode unode = null;
n = Graph.CreateNode(nd.type);
if (n != null)
{
if (n is GraphInstanceNode)
{
GraphInstanceNode gn = (GraphInstanceNode)n;
gn.Load(nd.type);
}
n.Id = nd.id;
n.Width = nd.width;
n.Height = nd.height;
Graph.Add(n);
n.FromJson(Graph.NodeLookup, json);
unode = new UINode(n, this, p.X, p.Y, XShift, YShift, Scale);
unode.HorizontalAlignment = HorizontalAlignment.Left;
unode.VerticalAlignment = VerticalAlignment.Top;
lookup[n.Id] = unode;
ViewPort.Children.Add(unode);
GraphNodes.Add(unode);
Modified = true;
Task.Delay(250).ContinueWith(t =>
{
unode.LoadConnections(lookup);
});
}
return(unode);
}
catch (Exception e)
{
Console.WriteLine(e.StackTrace);
}
return(null);
}
/// <summary>
/// real lookup is required as the nodes added from json
/// from a paste command will have new ids
/// but will need to lookup the old ids
/// to reconnect any that may have been connected when pasted
/// </summary>
/// <param name="json"></param>
/// <param name="realLookup"></param>
/// <returns></returns>
protected UINode AddNodeFromJson(string json, Dictionary <string, Node> realLookup)
{
try
{
Node.NodeData nd = JsonConvert.DeserializeObject <Node.NodeData>(json);
if (nd == null)
{
return(null);
}
Node n = null;
UINode unode = null;
n = Graph.CreateNode(nd.type);
if (n != null)
{
if (n is GraphInstanceNode)
{
GraphInstanceNode gn = (GraphInstanceNode)n;
gn.Load(nd.type);
}
realLookup[nd.id] = n;
Graph.Add(n);
unode = new UINode(n, this, 0, 0, XShift, YShift, Scale);
unode.HorizontalAlignment = HorizontalAlignment.Left;
unode.VerticalAlignment = VerticalAlignment.Top;
lookup[n.Id] = unode;
ViewPort.Children.Add(unode);
GraphNodes.Add(unode);
UndoRedoManager.AddUndo(new UndoCreateNode(Id, unode.Id, this));
Modified = true;
}
return(unode);
}
catch (Exception e)
{
Console.WriteLine(e.StackTrace);
return(null);
}
}
