private void MyDiagram_NodeCreated(object sender, DiagramEventArgs e)
{
var nodeModel = e.Part.Data as NodeModel;
var key = NodeKeyCreator.GetNodeName(myDiagram.Model.NodesSource.Cast <NodeModel>().Select(i => i.Key), myDiagram.Model.NodesSource.Cast <NodeModel>().Select(i => i.Key));
nodeModel.Text = key;
nodeModel.Key = key;
AddNodeToMatrix(key);
}
private void AddNewNode(PartManager.PartBinding sender)
{
try
{
var myDiagram = sender.Part.Diagram;
var ad = Part.FindAncestor <Adornment>(sender.Part.SelectionElement); //e.OriginalSource as UIElement
if (ad == null)
{
return;
}
// its AdornedPart should be a Node that is bound to a NodeModel object
var from = ad.AdornedPart.Data as NodeModel;
if (from == null)
{
return;
}
// make all changes to the model within a transaction
myDiagram.StartTransaction("Add NodeModel");
// create a new NodeModel, add it to the model, and create a link from
// the selected node data to the new node data
var list = MainModel.NodesModelToArr(myDiagram.Model.NodesSource.Cast <NodeModel>());
var key = NodeKeyCreator.GetNodeName(list, Model.NodesSource.Cast <NodeModel>().Select(i => i.Key));
var to = new NodeModel(key);
// to.Text = "new";
var p = from.Location;
//?? this isn't a very smart way to decide where to place the node
to.Location = new Point(p.X + 200, p.Y);
myDiagram.Model.AddNode(to);
var newnode = myDiagram.PartManager.FindNodeForData(to, myDiagram.Model);
myDiagram.Select(newnode);
EventHandler <DiagramEventArgs> show = null;
show = (snd, evt) =>
{
myDiagram.Panel.MakeVisible(newnode, Rect.Empty);
myDiagram.LayoutCompleted -= show;
};
myDiagram.LayoutCompleted += show;
myDiagram.Model.AddLink(from, null, to, null);
myDiagram.CommitTransaction("Add NodeModel");
}
catch (Exception e)
{
MessageBox.Show("Oops.. something goes wrong...\n\n" + e.Message, "Error!", MessageBoxButton.OK, MessageBoxImage.Error);
}
}