///<summary>
/// Uses the action pipeline to invoke the method.
///</summary>
///<param name="target">The object instance to invoke the method on.</param>
///<param name="methodName">The name of the method to invoke.</param>
///<param name="view">The view.</param>
///<param name="source">The source of the invocation.</param>
///<param name="eventArgs">The event args.</param>
///<param name="parameters">The method parameters.</param>
public static void Invoke(object target, string methodName, DependencyObject view = null, FrameworkElement source = null, object eventArgs = null, object[] parameters = null)
{
var context = new ActionExecutionContext {
Target = target,
Method = target.GetType().GetMethod(methodName),
Message = new ActionMessage {
MethodName = methodName
},
View = view,
Source = source,
EventArgs = eventArgs
};
if (parameters != null)
{
parameters.Apply(x => context.Message.Parameters.Add(x as Parameter ?? new Parameter {
Value = x
}));
}
ActionMessage.InvokeAction(context);
}
static ActionMessage CreateMessage(DependencyObject target, string messageText)
{
var message = new ActionMessage();
messageText = messageText.Replace("Action", string.Empty);
var openingParenthesisIndex = messageText.IndexOf('(');
if (openingParenthesisIndex < 0)
{
openingParenthesisIndex = messageText.Length;
}
var closingParenthesisIndex = messageText.LastIndexOf(')');
if (closingParenthesisIndex < 0)
{
closingParenthesisIndex = messageText.Length;
}
var core = messageText.Substring(0, openingParenthesisIndex).Trim();
message.MethodName = core;
if (closingParenthesisIndex - openingParenthesisIndex > 1)
{
var paramString = messageText.Substring(openingParenthesisIndex + 1,
closingParenthesisIndex - openingParenthesisIndex - 1);
var parameters = Regex.Split(paramString);
foreach (var parameter in parameters)
{
message.Parameters.Add(CreateParameter(target, parameter.Trim()));
}
}
return(message);
}
/// <summary>
/// Makes the parameter aware of the <see cref="ActionMessage"/> that it's attached to.
/// </summary>
/// <param name="owner">The action message.</param>
internal void MakeAwareOf(ActionMessage owner)
{
Owner = owner;
}
