public void Execute(object parameter)
{
if (!string.IsNullOrEmpty(CaliburnAction))
{
var methodName = CaliburnAction;
if (methodName.EndsWith(""))
{
methodName = methodName.Remove(methodName.Length - 2);
}
// will be overridden by Caliburn.
var controls = MetaActionManager.Instance.GetControls(this);
var source = controls.First();
var trigger = Parser.Parse(source, CaliburnAction).FirstOrDefault();
var action = trigger.Actions.OfType <ActionMessage>().FirstOrDefault();
var context = new ActionExecutionContext
{
EventArgs = new EventArgs(),
Message = action,
Source = source,
};
ActionMessage.PrepareContext(context);
if (context.CanExecute == null || context.CanExecute())
{
ActionMessage.InvokeAction(context);
}
}
}
protected override void Invoke(object parameter)
{
var context = new ActionExecutionContext
{
Target = _handler,
Message = new ActionMessage {
MethodName = "Execute"
},
Method = _handler.GetType().GetMethod("Execute")
};
ActionMessage.PrepareContext(context);
if (context.CanExecute())
{
ActionMessage.InvokeAction(context);
}
}
protected override void Invoke(object parameter)
{
throw new NotImplementedException();
#warning Invoke
#if false
var context = new ActionExecutionContext
{
Target = _handler,
Message = new ActionMessage {
MethodName = "Execute"
},
Method = _handler.GetType().GetMethod("Execute")
};
ActionMessage.PrepareContext(context);
if (context.CanExecute())
{
ActionMessage.InvokeAction(context);
}
#endif
}
/// <summary>
/// Defines the method that determines whether the command can execute in its current state.
/// </summary>
/// <param name="parameter">Data used by the command. If the command does not require data to be passed, this object can be set to null.</param>
/// <returns>true if this command can be executed; otherwise, false.</returns>
public bool CanExecute(object parameter)
{
return(context.CanExecute == null || context.CanExecute());
}