/// <summary>
/// Returns the active element belonging to the specified snippet element, or null if no such active element is found.
/// </summary>
public IActiveElement GetActiveElement(SnippetElement owner)
{
if (owner == null)
{
throw new ArgumentNullException("owner");
}
IActiveElement element;
if (elementMap.TryGetValue(owner, out element))
{
return(element);
}
else
{
return(null);
}
}
/// <summary>
/// Registers an active element. Elements should be registered during insertion and will be called back
/// when insertion has completed.
/// </summary>
/// <param name="owner">The snippet element that created the active element.</param>
/// <param name="element">The active element.</param>
public void RegisterActiveElement(SnippetElement owner, IActiveElement element)
{
if (owner == null)
{
throw new ArgumentNullException("owner");
}
if (element == null)
{
throw new ArgumentNullException("element");
}
if (currentStatus != Status.Insertion)
{
throw new InvalidOperationException();
}
elementMap.Add(owner, element);
registeredElements.Add(element);
}