/**
* Runs a screen.
*
* @param string $which Which screen to run, "before" or "after"
* @param Controller $controller The controller
* @param AttributeReader $method_meta The method metadata
* @param Array $data Array of data that the screen(s) can add to.
*/
public static function Run($which, $controller, $method_meta, &$data, &$args)
{
$c = $controller->metadata->{$which};
$m = $method_meta->{$which};
if (!$c) {
$c = new AttributeReader();
}
if (!$m) {
$m = new AttributeReader();
}
$screens = $c->merge($m);
foreach ($screens as $name => $screen) {
if (!$screen->ignore) {
if (isset(self::$_screens[$name])) {
$s = self::$_screens[$name];
} else {
uses('screen.' . $name);
$class = $name . 'Screen';
$s = new $class();
self::$_screens[$name] = $s;
}
$s->{$which}($controller, $screen, $data, $args);
}
}
}
