// converts the source value into the xpath value
// uses the converter else returns the source value as a string
// if successful, returns either a string or an XPathNavigator
// source: the property source value
// preview: whether we are previewing or not
public object ConvertSourceToXPath(object source, bool preview)
{
// use the converter if any
if (_converter != null)
{
return(_converter.ConvertSourceToXPath(this, source, preview));
}
// else just return the source value as a string or an XPathNavigator
if (source == null)
{
return(null);
}
var xElement = source as XElement;
if (xElement != null)
{
return(xElement.CreateNavigator());
}
return(source.ToString().Trim());
}
public override object ConvertSourceToXPath(PublishedPropertyType propertyType, object source, bool preview)
{
return(_baseValueConverter.ConvertSourceToXPath(propertyType, source, preview));
}