/// <summary>
/// action element is faked out for now.
/// currently we only grab the last child (activated state)
/// and render it
/// </summary>
public object Visit(MathMLActionElement e, object args)
{
Area cache = Area.GetArea(e);
if(cache != null) return cache;
IFormattingContext ctx = (IFormattingContext)args;
try
{
MathMLElement selectedElement = (MathMLElement)e.ChildNodes[e.Selection];
Area area = (Area)selectedElement.Accept(this, ctx);
// check to see if we are colored
Object userData = e.GetUserData("mouseenter");
if(userData != null && userData is bool && (bool)userData)
{
Color background = e.Background;
Color color = e.Color;
if(!color.IsEmpty && !background.IsEmpty)
{
area = AreaFactory.Color(color, area);
area = AreaFactory.Background(background, area);
}
else if(!color.IsEmpty)
{
area = AreaFactory.Color(color, area);
}
else if(!background.IsEmpty)
{
area = AreaFactory.Background(background, area);
}
}
return CompleteArea(ctx, e, area);
}
catch(Exception ex)
{
return Error(ctx, e, ex.Message);
}
}
