public override void ElementDeleting(ElementDeletingEventArgs e)
{
if (e.ModelElement != null)
{
if (e.ModelElement.Store.TransactionManager.CurrentTransaction != null)
{
if (e.ModelElement.Store.TransactionManager.CurrentTransaction.IsSerializing)
{
return;
}
}
}
if (e.ModelElement == null)
{
return;
}
if (ImmutabilityExtensionMethods.GetLocks(e.ModelElement) != Locks.None)
{
return;
}
ShapeClass shapeClass = e.ModelElement as ShapeClass;
if (shapeClass != null)
{
for (int i = shapeClass.Children.Count - 1; i >= 0; i--)
{
shapeClass.Children[i].Delete();
}
}
}
private static void FixUpDiagramView(LibraryModelContext model)
{
foreach (DiagramClass diagramClass in model.DiagramClasses)
{
DiagramClassView vm = new DiagramClassView(model.Store);
vm.IsExpanded = true;
vm.DiagramClass = diagramClass;
// add shapes views
foreach (PresentationElementClass p in diagramClass.PresentationElements)
{
if (p is ShapeClass)
{
ShapeClass shapeClass = p as ShapeClass;
if (shapeClass.Parent == null)
{
RootDiagramNode node = new RootDiagramNode(p.Store);
node.PresentationElementClass = p;
vm.RootDiagramNodes.Add(node);
}
else
{
EmbeddingDiagramNode newNode = new EmbeddingDiagramNode(model.Store);
newNode.PresentationElementClass = p;
}
}
else
{
RootDiagramNode node = new RootDiagramNode(p.Store);
node.PresentationElementClass = p;
vm.RootDiagramNodes.Add(node);
}
}
foreach (PresentationElementClass p in diagramClass.PresentationElements)
{
if (p is ShapeClass)
{
ShapeClass shapeClass = p as ShapeClass;
if (shapeClass.Parent != null)
{
EmbeddingDiagramNode source = shapeClass.Parent.DiagramTreeNode as EmbeddingDiagramNode;
EmbeddingDiagramNode target = p.DiagramTreeNode as EmbeddingDiagramNode;
if (source != null && target != null)
{
new EmbeddingDiagramNodeHasEmbeddingDiagramNodes(source, target);
}
}
}
}
model.ViewContext.DiagramView.DiagramClassViews.Add(vm);
}
}
/// <summary>
/// Verifies if a given shape class is within the children collection.
/// </summary>
/// <param name="shapeClass">ShapeClass to find.</param>
/// <returns>True if the given shape class is within the children collection; False otherwise.</returns>
public bool ContainsChild(ShapeClass shapeClass)
{
foreach (ShapeClass p in this.Children)
{
if (p == shapeClass)
return true;
if (p.ContainsChild(shapeClass))
return true;
}
return false;
}
/// <summary>
/// Verifies if a given shape class is within the children collection.
/// </summary>
/// <param name="shapeClass">ShapeClass to find.</param>
/// <returns>True if the given shape class is within the children collection; False otherwise.</returns>
public bool ContainsChild(ShapeClass shapeClass)
{
foreach (ShapeClass p in this.Children)
{
if (p == shapeClass)
{
return(true);
}
if (p.ContainsChild(shapeClass))
{
return(true);
}
}
return(false);
}
public static bool HasProperty(ShapeClass shapeClass, string name)
{
if (shapeClass == null)
return false;
ShapeClass d = shapeClass;
while (d != null)
{
foreach (DomainProperty p in d.Properties)
if (p.Name == name)
return true;
d = d.BaseShape;
}
return false;
}