/// <summary>
/// Run concrete drawing of instance.
/// </summary>
/// <param name="instance">The drawn instance.</param>
private void concreteDrawing(DrawedInstance instance)
{
var drawer = Runtime.GetDrawer(instance.WrappedInstance);
if (drawer != null)
{
drawer.Draw(instance);
}
}
/// <summary>
/// Gets instance drawing.
/// </summary>
/// <param name="instance">The instance which drawing is requested.</param>
/// <returns>Instance drawing.</returns>
private DrawedInstance getDrawing(Instance instance)
{
DrawedInstance result;
if (!_instanceDrawings.TryGetValue(instance, out result))
{
var runtimeTypeDefinition = Runtime.GetTypeDefinition(instance);
result = new DrawedInstance(runtimeTypeDefinition, instance, this);
_instanceDrawings[instance] = result;
_toDrawQueue.Enqueue(result);
}
return(result);
}
/// <summary>
/// Run general drawing of instance.
/// </summary>
/// <param name="instance">The instance.</param>
private void generalDrawing(DrawedInstance instance)
{
_drawer(instance);
}
/// <summary>
/// Draws the specified item for given instance.
/// </summary>
/// <param name="instance">Instance which is represented by given drawing item</param>
/// <param name="item">Item drawing.</param>
internal void DrawItem(DrawedInstance instance, DiagramItemDefinition item)
{
Context.DrawItem(item);
_displayedInstances.Add(instance.WrappedInstance);
}