/// <summary>
/// Get the view component for the specified object
/// </summary>
internal static IBiViewComponent GetViewComponent(XName elementName)
{
IBiViewComponent retVal = null;
if (!m_componentCache.TryGetValue(elementName, out retVal) && !m_componentCache.TryGetValue(elementName.Namespace + "any", out retVal))
{
return(null);
}
return(retVal);
}
/// <summary>
/// Write the specified object to the screen
/// </summary>
internal static void Write(XmlWriter writer, XNode nd, IRenderContext context)
{
if (nd is XElement el)
{
// TODO get helper here
IBiViewComponent component = ReportViewUtil.GetViewComponent(el.Name);
if (component == null)
{
writer.WriteComment($"WARNING: No component for {el.Name} is registered");
}
else if (component.Validate(el, context))
{
component.Render(el, writer, context);
}
else
{
#if DEBUG
throw new ViewValidationException(el, $"Component {component?.ComponentName} failed validation");
#else
writer.WriteStartElement("em", BiConstants.HtmlNamespace);
writer.WriteAttributeString("style", "color: #f00");
StringBuilder path = new StringBuilder($"/{el.Name}");
var p = el.Parent;
while (p != el.Document.Root && p != null)
{
path.Insert(0, $"/{p.Name}");
p = p.Parent;
}
writer.WriteString($"Component {component.ComponentName} failed validation at {path}");
writer.WriteEndElement(); // em
#endif
}
}
else if (nd is XText xt)
{
writer.WriteString(xt.Value.Trim());
}
}
