/// <summary>
/// Find an annottaion that has a specific id in the map
/// returns null if not found
/// </summary>
/// <param name="id">id of the annotation to find</param>
public Annotation FindAnnotation(Guid id)
{
CachedAnnotation cachedAnnotation = null;
if (_currentAnnotations.TryGetValue(id, out cachedAnnotation))
{
return(cachedAnnotation.Annotation);
}
return(null);
}
/// <summary>
/// remove an annotation from the map if it exists
/// otherwise return
/// </summary>
/// <param name="id">id of the annotation to remove</param>
public void RemoveAnnotation(Guid id)
{
CachedAnnotation existingCachedAnnot = null;
if (_currentAnnotations.TryGetValue(id, out existingCachedAnnot))
{
existingCachedAnnot.Annotation.AuthorChanged -= OnAuthorChanged;
existingCachedAnnot.Annotation.AnchorChanged -= OnAnchorChanged;
existingCachedAnnot.Annotation.CargoChanged -= OnCargoChanged;
_currentAnnotations.Remove(id);
}
}
