/// <summary>
/// Clears all diagram visual elements.
/// </summary>
public void Clear()
{
Subject = null;
this.subjectDiagramElement = null;
this.drawingEngine = null;
DiagramElements.ToList().ForEach(x => x.Cleanup());
DiagramElements.Clear();
}
/// <summary>
/// Assigns the diagram data.
/// This is the main entry point to display something into the diagram visual tree.
/// </summary>
/// <param name="bindableDiagramData">The data to load into the diagram visual.</param>
public void AssignDiagramData(object bindableDiagramData)
{
var subject = bindableDiagramData as IVisualisableTypeWithAssociations;
if (subject == null)
{
throw new InvalidOperationException("Code Error: Invalid type given to Viewport Controller: " + bindableDiagramData);
}
Subject = subject;
Subject.DiscoverSecondaryAssociationsInModel(); // This enables lines on the diagram other than those involving the subject.
DiagramElements.Clear();
this.drawingEngine = new ClassUmlDrawingEngine(DiagramId, subject);
foreach (DiagramElement element in this.drawingEngine.DrawAllBoxes())
{
DiagramElements.Add(element);
}
}