/**
* 订阅类的事件
*
* @param string $class
* @param string $event
* @param callback $callback
* @access public
* @return void
*/
public function subscribe($class, $event, $callback)
{
if (!is_callable($callback)) {
throw Error::not_callable('Events::subscribe() parameter 3');
}
$class = strtolower(ltrim($class, '\\'));
$this->subscribe[$class][$event][] = $callback;
}
/**
* 获得真正的视图文件名
*
* @param string $file
* @access protected
* @return string
*/
protected function findFile($file)
{
$ext = $this->file_ext ?: 'php';
if (!is_file($file)) {
// 不是绝对路径
$file = $this->view_dir . '/' . $file;
}
$pathinfo = pathinfo($file);
if (!isset($pathinfo['extension']) || $pathinfo['extension'] != $ext) {
$file .= '.' . $ext;
}
if (!($fullname = realpath($file))) {
throw Error::file_not_found($file);
}
return $fullname;
}
/**
* 自定义类的autoloader
* 会覆盖默认的autoloader
*
* @param callable $loader
* @param boolean $throw
* @param boolean $prepend
* @access public
* @return Onion\MVC\Application
*/
public function setAutoloader($loader, $throw = true, $prepend = false)
{
if (!is_callable($loader)) {
throw Error::not_callable('Application loader');
}
spl_autoload_unregister(array($this, 'loadClass'));
spl_autoload_register($loader, $throw, $prepend);
return $this;
}
public function setProp($prop, $val = null, $static = true)
{
if (static::$readonly) {
throw OrmError::readonly($this);
}
if (is_array($prop)) {
$props = $prop;
$strict = $val === null ? true : (bool) $val;
} else {
$props = array($prop => $val);
}
$meta = static::getMeta();
foreach ($props as $prop => $val) {
if (!($prop_meta = $meta->getPropMeta($prop))) {
if (!$strict) {
continue;
}
throw Error::undefined_property(get_class($this), $prop);
}
if (!$this->is_fresh && ($prop_meta['refuse_update'] || $prop_meta['primary_key'])) {
throw OrmError::refuse_update($this, $prop);
}
$val = $this->formatProp($prop, $val, $prop_meta);
if (!$prop_meta['allow_null'] && $val === null) {
throw OrmError::not_allow_null($this, $prop);
}
$this->changeProp($prop, $val);
}
return $this;
}