//-----------------------------------------------------------------------
public override void Paste()
{
if (WrappedItem != null)
{
WrappedItem.Paste();
}
else
{
GraphNodeDefinition chosen = null;
foreach (var def in ReferenceDef.Definitions.Values)
{
if (Clipboard.ContainsData(def.CopyKey))
{
var flat = Clipboard.GetData(def.CopyKey) as string;
var root = XElement.Parse(flat);
if (root.Name == def.Name)
{
chosen = def;
break;
}
}
}
if (chosen == null)
{
return;
}
GraphNodeItem item = null;
using (UndoRedo.DisableUndoScope())
{
item = chosen.CreateData(UndoRedo) as GraphNodeItem;
if (item is GraphStructItem && item.Children.Count == 0)
{
(item.Definition as GraphStructDefinition).CreateChildren(item as GraphStructItem, UndoRedo);
}
item.Paste();
}
UndoRedo.ApplyDoUndo(delegate
{
ChosenDefinition = chosen;
WrappedItem = item;
},
delegate
{
ChosenDefinition = null;
WrappedItem = null;
},
"Paste Item " + item.Name);
}
}
//-----------------------------------------------------------------------
public void Create(string chosenName = null)
{
var Node = GetParentNode();
var chosen = chosenName != null ?
(Definition as GraphReferenceDefinition).Definitions[chosenName] :
(Definition as GraphReferenceDefinition).Definitions[SelectedDefinition.Item1];
GraphNodeItem item = null;
using (UndoRedo.DisableUndoScope())
{
item = chosen.CreateData(UndoRedo) as GraphNodeItem;
if (Node != null)
{
var x = Node.X + 100;
if (!double.IsNaN(Node.GraphNode.ActualWidth))
{
x += Node.GraphNode.ActualWidth;
}
else
{
x += 200;
}
item.X = x;
item.Y = Node.Y;
}
}
UndoRedo.ApplyDoUndo(delegate
{
WrappedItem = item;
if (!DataModel.GraphNodeItems.Contains(item))
{
DataModel.GraphNodeItems.Add(item);
}
},
delegate
{
WrappedItem = null;
DataModel.GraphNodeItems.Remove(item);
},
"Create Item " + item.Name);
IsExpanded = true;
}
//-----------------------------------------------------------------------
public void SetWrappedItem(GraphNodeItem item)
{
var oldItem = WrappedItem;
UndoRedo.ApplyDoUndo(delegate
{
WrappedItem = item;
},
delegate
{
WrappedItem = oldItem;
},
"Set Item " + item.Name);
if (IsCircular())
{
LinkType = LinkType.Reference;
}
}
