private Func <GetStringRequest, string> findConverter(GetStringRequest request)
{
if (request.PropertyType.IsNullable())
{
if (request.RawValue == null)
{
return(r => string.Empty);
}
return(findConverter(request.GetRequestForNullableType()));
}
if (request.PropertyType.IsArray)
{
if (request.RawValue == null)
{
return(r => string.Empty);
}
return(r =>
{
if (r.RawValue == null)
{
return string.Empty;
}
return r.RawValue.As <Array>().OfType <object>().Select(GetString).Join(", ");
});
}
StringifierStrategy strategy = _strategies.FirstOrDefault(x => x.Matches(request));
return(strategy == null ? toString : strategy.StringFunction);
}
/// <summary>
/// Formats the provided value using the accessor accessor metadata and a custom format
/// </summary>
/// <param name="formatter">The formatter</param>
/// <param name="modelType">The type of the model to which the accessor belongs (i.e. Case where the accessor might be on its base class WorkflowItem)</param>
/// <param name="accessor">The property that holds the given value</param>
/// <param name="value">The data to format</param>
/// <param name="format">The custom format specifier</param>
public static string FormatValue(this IDisplayFormatter formatter, Type modelType, Accessor accessor, object value, string format)
{
var request = new GetStringRequest(accessor, value, null)
{
Format = format
};
return(formatter.GetDisplay(request));
}
public bool Equals(GetStringRequest other)
{
if (ReferenceEquals(null, other))
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
return(Equals(other.OwnerType, OwnerType) && Equals(other.Property, Property) && Equals(other.RawValue, RawValue) && Equals(other.Format, Format));
}
public string GetString(GetStringRequest request)
{
if (request == null || request.RawValue == null || (request.RawValue as String) == string.Empty)
{
return(string.Empty);
}
PropertyOverrideStrategy propertyOverride = _overrides.FirstOrDefault(o => o.Matches(request.Property));
if (propertyOverride != null)
{
return(propertyOverride.StringFunction(request));
}
return(findConverter(request)(request));
}
private static string toString(GetStringRequest value)
{
return(value.RawValue == null ? string.Empty : value.RawValue.ToString());
}
public string GetDisplayForValue(Accessor accessor, object rawValue)
{
var request = new GetStringRequest(accessor, rawValue, _locator);
return(_stringifier.GetString(request));
}
public string GetDisplay(Accessor accessor, object target)
{
var request = new GetStringRequest(accessor, target, _locator);
return(_stringifier.GetString(request));
}
public string GetDisplay(GetStringRequest request)
{
request.Locator = _locator;
return(_stringifier.GetString(request));
}