/// <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);
}
void Start()
{
//Get components
navAgent = GetComponent <NavMeshAgent>();
core = GameObject.Find("Core").transform;
//Initialize
cargo = new Node.NodeData();
SetNode();
}
/// <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);
}
}
public void TryAndPaste()
{
try
{
if (Graph.ReadOnly)
{
return;
}
Point mp = Mouse.GetPosition(ViewPort);
mp.X = Math.Max(0, mp.X);
mp.Y = Math.Max(0, mp.Y);
mp.X = mp.X > ViewPort.ActualWidth ? 0 : mp.X;
mp.Y = mp.Y > ViewPort.ActualHeight ? 0 : mp.Y;
ToWorld(ref mp);
string data = Clipboard.GetText();
if (string.IsNullOrEmpty(data))
{
return;
}
GraphCopyData cd;
//apparently deserialize will throw an exception
//it the content isn't json at atll
try
{
cd = JsonConvert.DeserializeObject <GraphCopyData>(data);
}
catch
{
return;
}
if (cd.nodes == null || cd.nodes.Count == 0)
{
return;
}
List <UINode> added = new List <UINode>();
Dictionary <string, string> jsonContent = new Dictionary <string, string>();
Dictionary <string, Node> realLookup = new Dictionary <string, Node>();
for (int i = 0; i < cd.nodes.Count; i++)
{
string json = cd.nodes[i];
var unode = AddNodeFromJson(json, realLookup);
if (unode != null)
{
added.Add(unode);
jsonContent[unode.Node.Id] = json;
}
}
double minX = float.MaxValue;
double minY = float.MaxValue;
//find minx and miny
foreach (UINode n in added)
{
if (minX > n.Node.ViewOriginX)
{
minX = n.Node.ViewOriginX;
}
if (minY > n.Node.ViewOriginY)
{
minY = n.Node.ViewOriginY;
}
}
//offset nodes origin by mouse point position
foreach (UINode n in added)
{
double dx = n.Node.ViewOriginX - minX;
double dy = n.Node.ViewOriginY - minY;
//also set node connections as needed
string json = null;
if (jsonContent.TryGetValue(n.Node.Id, out json))
{
Node.NodeData nd = JsonConvert.DeserializeObject <Node.NodeData>(json);
n.Node.SetConnections(realLookup, nd.outputs);
}
n.OffsetTo(mp.X + dx, mp.Y + dy);
}
Task.Delay(250).ContinueWith((Task t) =>
{
App.Current.Dispatcher.Invoke(() =>
{
foreach (UINode n in added)
{
//finally load visual connections
n.LoadConnections(lookup);
}
if (added.Count > 0)
{
Modified = true;
}
});
});
}
catch (Exception ex)
{
Console.WriteLine(ex.StackTrace);
}
}
