/**
* Checks if a view exists by file, method, or both.
*
* @access protected
* @final
* @param array|string $args Can be either the name of the view or an array with name and controller defined
* @param string $controller The name of the controller where the view is located, if left blank assumes the current controller
* @param mixed $checkmethod Indicates whether to check if the method exists, file exists, or both
* @return boolean true if the view exists and boolean false if not
*/
protected final function _viewExists($args, $controller = "", $checkmethod = false)
{
$args = func_get_args();
if (count($args) < 1 || count($args) > 4) {
return false;
}
if (count($args) == 1 && is_array($args[0])) {
$args = $args[0];
} else {
$checkmethod = false;
if (is_bool($args[count($args) - 1]) === true || $args[count($args) - 1] == 'both') {
$checkmethod = array_pop($args);
}
$args = array_combine(array_merge(array_slice(array('name', 'controller', 'branch'), 0, count($args)), (array) 'checkmethod'), array_merge($args, (array) $checkmethod));
unset($checkmethod);
}
// call hook
Hook::call('Controller.viewExists.before', array(&$args));
if (empty($args['name'])) {
return false;
}
if (empty($args['controller'])) {
$args['controller'] = $this->params['controller'];
}
if (empty($args['branch']) && Reg::hasVal('Branch.name')) {
$args['branch'] = Reg::get('Branch.name');
}
if (!empty($args['branch']) && $args['branch'] == Reg::get('System.rootIdentifier')) {
unset($args['branch']);
}
if (!isset($args['checkmethod'])) {
$args['checkmethod'] = false;
}
if ($args['name'][0] != '_' && (!isset($this->bounceback['check']) || $this->bounceback['check'] != $args['controller']) && !in_array($args['controller'], $this->notAView)) {
if ($args['checkmethod'] === true) {
$load['name'] = Config::uriToClass(Config::fileToClass($args['controller']));
if (!empty($args['branch'])) {
$load['branch'] = Config::uriToClass(Config::fileToClass($args['branch']));
}
$load['type'] = 'Controller';
$load = implode('_', $load);
if (is_callable(array($load, Config::uriToMethod(Config::fileToMethod($args['name'])))) && method_exists($load, Config::uriToMethod(Config::fileToMethod($args['name'])))) {
$return = true;
} else {
$return = false;
}
} else {
$path = Reg::get("Path.physical") . ($args['branch'] ? "/branches/" . Config::uriToFile(Config::classToFile($args['branch'])) : "") . "/views/" . Config::uriToFile(Config::classToFile($args['controller'])) . "/" . Config::uriToFile(Config::methodToFile($args['name'])) . ".php";
// call hook
Hook::call('Controller.viewExists.setPath', array(&$args, &$path));
if (file_exists($path)) {
if ($args['checkmethod'] == 'both') {
$load['name'] = Config::uriToClass(Config::fileToClass($args['controller']));
if (!empty($args['branch'])) {
$load['branch'] = Config::uriToClass(Config::fileToClass($args['branch']));
}
$load['type'] = 'Controller';
$load = implode('_', $load);
if (is_callable(array($load, Config::uriToMethod(Config::fileToMethod($args['name'])))) && method_exists($load, Config::uriToMethod(Config::fileToMethod($args['name'])))) {
$return = true;
} else {
$return = false;
}
} else {
$return = true;
}
} else {
$return = false;
}
unset($path);
}
} else {
$return = false;
}
// call hook
Hook::call('Controller.viewExists.after', array(&$return));
return $return;
}
