public static string DynamicField(this HtmlHelper html, object entity, MetaColumn column, string uiHint, DataBoundControlMode mode)
{
var host = new SimpleFieldTemplateHost()
{
Column = column, Mode = mode
};
IFieldTemplate fieldTemplate = MetaModel.Default.FieldTemplateFactory.CreateFieldTemplate(column, mode, uiHint ?? column.UIHint);
ViewUserControl fieldTemplateControl = fieldTemplate as ViewUserControl;
if (fieldTemplateControl == null)
{
throw new InvalidOperationException("Cannot render a dynamic field whose field template is not a ViewUserControl");
}
fieldTemplate.SetHost(host);
return(html.RenderViewUserControl(fieldTemplateControl, entity));
}
public override IFieldTemplate CreateFieldTemplate(MetaColumn column, DataBoundControlMode mode, string uiHint)
{
// Call Preprocess mode so that we do set the right mode base on the the column's attributes
mode = PreprocessMode(column, mode);
bool readOnly = (mode == DataBoundControlMode.ReadOnly);
// If the folder doesn't exist use the fallback
if (!DirectoryExists)
{
return(CreateFieldTemplate(readOnly, column));
}
// Always see check if the base found anything first then fall back to the simple field template
IFieldTemplate fieldTemplate = base.CreateFieldTemplate(column, mode, uiHint);
// If there was no field template found and the user specified a uiHint then use the default behavior
if (!String.IsNullOrEmpty(uiHint))
{
return(fieldTemplate);
}
return(fieldTemplate ?? CreateFieldTemplate(readOnly, column));
}