public override void ElementAdded(ElementAddedEventArgs e)
{
base.ElementAdded(e);
DiagramHasLinkShapes con = e.ModelElement as DiagramHasLinkShapes;
if (con != null)
{
LinkShape linkShape = con.LinkShape;
Diagram diagram = con.Diagram;
if (linkShape != null && diagram != null)
{
diagram.RemoveFromShapeMapping(linkShape);
}
}
}
/// <summary>
/// Called whenever a child element is deleted.
/// </summary>
/// <param name="e"></param>
public override void ElementDeleted(ElementDeletedEventArgs e)
{
base.ElementDeleted(e);
DiagramHasChildren con = e.ModelElement as DiagramHasChildren;
if (con != null)
{
NodeShape nodeShape = con.ChildShape;
Diagram diagram = con.Diagram;
if (nodeShape != null && diagram != null)
{
diagram.RemoveFromShapeMapping(nodeShape);
}
}
}
/// <summary>
/// Called whenever a model element is deleted from the store.
/// </summary>
/// <param name="sender">ViewModelStore</param>
/// <param name="args">Event Arguments for notification of the removal of an ModelElement.</param>
private void OnElementDeleted(object sender, ElementDeletedEventArgs args)
{
if (args.ModelElement is DiagramHasChildren)
{
DiagramHasChildren con = args.ModelElement as DiagramHasChildren;
if (con != null)
{
NodeShape nodeShape = con.ChildShape;
Diagram diagram = con.Diagram;
if (nodeShape != null && diagram != null)
{
if (nodeShape.Element != null)
{
diagram.RemoveFromShapeMapping(nodeShape);
}
}
}
}
else if (args.ModelElement is ShapeElementContainsChildShapes)
{
ShapeElementContainsChildShapes con = args.ModelElement as ShapeElementContainsChildShapes;
if (con != null)
{
NodeShape childShape = con.ChildShape;
NodeShape parentShape = con.ParentShape;
if (childShape != null && parentShape != null)
{
if (childShape.Element != null)
{
parentShape.RemoveFromShapeMapping(childShape);
}
}
}
}
}