/// <summary>
/// Allows action parameters to be specified using Xaml compact syntaxes and (optionally) parameters evaluation.
/// </summary>
/// <param name = "syntaxes">The extra syntaxes which should be allowed.</param>
public static void AllowExtraSyntax(MessageSyntaxes syntaxes)
{
MessageBinder.EvaluateParameter = BaseEvaluateParameter;
Parser.CreateParameter = BaseCreateParameter;
Func <DependencyObject, string, Parameter> createParameter =
syntaxes.HasFlag(MessageSyntaxes.SpecialValueProperty)
? CreateParameter
: BaseCreateParameter;
if (syntaxes.HasFlag(MessageSyntaxes.XamlBinding))
{
Parser.CreateParameter =
(target, parameterText) =>
{
//Check if the parameter is defined as a markup...
if (parameterText.StartsWith("{") && parameterText.EndsWith("}"))
{
try
{
parameterText = string.Format(PARAMETER_XAML_FRAGMENT,
XamlNamespaces,
parameterText);
var parsed = LoadXaml(parameterText);
return((Parameter)parsed);
}
catch (Exception exc)
{
LogManager.GetLog(typeof(Parser)).Error(exc);
}
}
//Use the default implementation if the parameter is not identified as a binding...
return(createParameter(target, parameterText));
};
}
if (syntaxes.HasFlag(MessageSyntaxes.SpecialValueProperty))
{
MessageBinder.EvaluateParameter = (text, parameterType, context) =>
{
var lookup = text.ToLower(CultureInfo.InvariantCulture);
Func <ActionExecutionContext, object> resolver;
if (MessageBinder.SpecialValues.TryGetValue(lookup,
out resolver))
{
return(resolver(context));
}
return
(MessageBinder.SpecialValues.Any(
x => lookup.Contains(x.Key))
? EvaluateParameter(text, context, parameterType)
: text);
};
}
}
/// <summary>
/// Allows action parameters to be specified using Xaml compact syntaxes and (optionally) parameters evaluation.
/// </summary>
/// <param name = "syntaxes">The extra syntaxes which should be allowed.</param>
public static void AllowExtraSyntax(MessageSyntaxes syntaxes)
{
MessageBinder.EvaluateParameter = BaseEvaluateParameter;
Parser.CreateParameter = BaseCreateParameter;
Func<DependencyObject, string, Parameter> createParameter =
syntaxes.HasFlag(MessageSyntaxes.SpecialValueProperty)
? CreateParameter
: BaseCreateParameter;
if (syntaxes.HasFlag(MessageSyntaxes.XamlBinding))
{
Parser.CreateParameter =
(target, parameterText) =>
{
//Check if the parameter is defined as a markup...
if (parameterText.StartsWith("{") && parameterText.EndsWith("}"))
{
try
{
parameterText = string.Format(PARAMETER_XAML_FRAGMENT,
XamlNamespaces,
parameterText);
var parsed = LoadXaml(parameterText);
return (Parameter)parsed;
}
catch (Exception exc)
{
LogManager.GetLog(typeof(Parser)).Error(exc);
}
}
//Use the default implementation if the parameter is not identified as a binding...
return createParameter(target, parameterText);
};
}
if (syntaxes.HasFlag(MessageSyntaxes.SpecialValueProperty))
{
MessageBinder.EvaluateParameter = (text, parameterType, context) =>
{
var lookup = text.ToLower(CultureInfo.InvariantCulture);
Func<ActionExecutionContext, object> resolver;
if (MessageBinder.SpecialValues.TryGetValue(lookup,
out resolver)) return resolver(context);
return
MessageBinder.SpecialValues.Any(
x => lookup.Contains(x.Key))
? EvaluateParameter(text, context, parameterType)
: text;
};
}
}
