public virtual T GetValue <T>()
{
if (ViewContext.ViewData.Model == null)
{
return(default(T));
}
var val = Accessor.GetValue(ViewContext.ViewData.Model);
if (TagConventions.IsAssignable <T>(this))
{
return((T)val);
}
if (typeof(T) == typeof(string))
{
return((T)(val != null ? (object)val.ToString() : (object)string.Empty));
}
try
{
return((T)Convert.ChangeType(val, typeof(T)));
}
catch (Exception ex)
{
throw new InvalidCastException(string.Format("Cannot convert '{0}' to '{1}'", (val == null ? "null" : val.GetType().ToString()), typeof(T)), ex);
}
}
public void Modify(Action <HtmlTag, RequestData, TAttribute> modifier)
{
Modifiers.Add(new Modifier(Condition, (tag, req) =>
{
var attribute = (TAttribute)TagConventions.GetPropertyInfo(req.Accessor).GetCustomAttributes(typeof(TAttribute), true).First();
modifier(tag, req, attribute);
}));
}
public void BuildBy(Func <RequestData, TAttribute, IConventionPipeline, HtmlTag> builder)
{
Builders.Add(new Builder(Condition, (req, pipe) =>
{
var attribute = (TAttribute)TagConventions.GetPropertyInfo(req.Accessor).GetCustomAttributes(typeof(TAttribute), true).First();
return(builder(req, attribute, pipe));
}));
}
