CommandFilter(object target, MethodInfo mi, ExecuteFilter filter)
: base(target, mi)
{
_filterProc = filter;
foreach (CommandFilterAttribute a in mi.GetCustomAttributes(typeof(CommandFilterAttribute), true))
_keys = a.Keys;
if (_keys == null || _keys.Length == 0)
_keys = DefaultKey;
}
CommandFilter(object target, MethodInfo mi, ExecuteFilter filter)
: base(target, mi)
{
_filterProc = filter;
foreach (CommandFilterAttribute a in mi.GetCustomAttributes(typeof(CommandFilterAttribute), true))
{
_keys = a.Keys;
}
if (_keys == null || _keys.Length == 0)
{
_keys = DefaultKey;
}
}
public static bool TryCreate(object target, MethodInfo mi, out ICommand command)
{
command = null;
ParameterInfo[] args = mi.GetParameters();
if (args.Length == 3 &&
args[0].ParameterType == typeof(ICommandInterpreter) &&
args[1].ParameterType == typeof(ICommandChain) &&
args[2].ParameterType == typeof(string[]))
{
ExecuteFilter filter = (ExecuteFilter)Delegate.CreateDelegate(typeof(ExecuteFilter), target is Type ? null : target, mi, false);
if (filter != null)
{
command = new CommandFilter(target, mi, filter);
}
}
return(command != null);
}
