public override void RaiseParseTreeModified(ParseTreeModifiedEventArgs args)
{
if (ParseTreeModified != null)
ParseTreeModified(this, args);
//base.RaiseTextChanged(sender, oldtext);
}
/// <summary>
/// This method triggers a ParseTreeModified event in the root of the parse tree.
/// </summary>
/// <param name="sender">The node which the change applies to.</param>
/// <param name="oldtext">the text of the node before the change.</param>
public virtual void RaiseParseTreeModified(ParseTreeModifiedEventArgs args)
{
if (parent != null)
parent.RaiseParseTreeModified(args);
}
void _ParseTree_ParseTreeModified(object sender, ParseTreeModifiedEventArgs e)
{
if (e.Type == ParseTreeModifiedType.Insert)
{
// see if the added item is displayed at all
var toadd = CreateOverlayShapesFromItem(e.AffectedItem);
if (toadd.Count() == 0)
return;
// so we have something to add... find the correct element of the display tree to insert into
var parent = e.AffectedItem.Ancestors.FirstOrDefault(tcpi => AllItems.OfType<OverlayScope>().Count(os => os.item == tcpi) > 0);
if (parent == null)
TopLevelItems.AddRange(toadd);
else
{
var scope = AllItems.OfType<OverlayScope>().First(os => os.item == parent);
scope.children.AddRange(toadd);
}
//var cplist = toadd.SelectMany(tpi => GetAllDescendants(tpi)).OfType<OverlayControlPoint>();
//foreach (var cp in cplist)
// cp.BindToOrigin(AllItems);
BindControlPointsToOrigins(); // slightly inefficient ... but who cares
if (DisplayTreeChanged != null)
DisplayTreeChanged(this, new DisplayTreeChangedEventArgs() { Type = DisplayTreeChangedType.Insert, AffectedItems = toadd });
}
else if (e.Type == ParseTreeModifiedType.Remove)
{
throw new NotSupportedException(); // maybe support that in the future
}
}
