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Stating to implement a CakePlugin class to allow the inclusion of boo…
…traping files for plugins
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<?php | ||
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class CakePlugin { | ||
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/** | ||
* Holds a list of all loaded plugins and their configuration | ||
* | ||
*/ | ||
private static $_plugins = array(); | ||
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/** | ||
* Loads a plugin and optionally loads bootstrapping, routing files or loads a initialization function | ||
* | ||
* Examples: | ||
* | ||
* `CakePlugin::load('DebugKit')` will load the DebugKit plugin and will not load any bootstrap nor route files | ||
* `CakePlugin::load('DebugKit', array('bootstrap' => true, 'routes' => true))` will load the bootstrap.php and routes.php files | ||
* `CakePlugin::load('DebugKit', array('bootstrap' => false, 'routes' => true))` will load routes.php file but not bootstrap.php | ||
* `CakePlugin::load('DebugKit', array('bootstrap' => array('config1', 'config2')))` will load config1.php and config2.php files | ||
* `CakePlugin::load('DebugKit', array('bootstrap' => 'aCallableMethod'))` will run the aCallableMethod function to initialize it | ||
* | ||
* Bootstrap initialization functions can be expressed as a PHP callback type, including closures. Callbacks will receive two | ||
* parameters (plugin name, plugin configuration) | ||
* | ||
* It is also possible to load multiple plugins at once. Examples: | ||
* | ||
* `CakePlugin::load(array('DebugKit', 'ApiGenerator'))` will load the DebugKit and ApiGenerator plugins | ||
* `CakePlugin::load(array('DebugKit', 'ApiGenerator'), array('bootstrap' => true))` will load bootstrap file for both plugins | ||
* | ||
* {{{ | ||
* CakePlugin::load(array( | ||
* 'DebugKit' => array('routes' => true), | ||
* 'ApiGenerator' | ||
* ), array('bootstrap' => true)) | ||
* }}} | ||
* | ||
* Will only load the bootstrap for ApiGenerator and only the routes for DebugKit | ||
* | ||
* @param mixed $plugin name of the plugin to be loaded in CamelCase format or array or plugins to load | ||
* @param array $config configuration options for the plugin | ||
* @throws MissingPluginException if the folder for the plugin to be loaded is not found | ||
* @return void | ||
*/ | ||
public static function load($plugin, $config = array()) { | ||
if (is_array($plugin)) { | ||
foreach ($plugin as $name => $conf) { | ||
list($name, $conf) = (is_numeric($name)) ? array($conf, $config) : array($name, $conf); | ||
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lorenzo
Author
Member
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self::load($name, $config); | ||
} | ||
return; | ||
} | ||
$config += array('bootstrap' => false, 'routes' => false); | ||
$underscored = Inflector::underscore($plugin); | ||
if (empty($config[$path])) { | ||
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foreach (App::path('plugins') as $path) { | ||
if (is_dir($path . $underscored)) { | ||
self::$_plugins[$plugin] = $config + array('path' => $path . $underscored . DS); | ||
} | ||
} | ||
} else { | ||
self::$_plugins[$plugin] = $config; | ||
} | ||
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if (empty(self::$_plugins[$plugin]['path'])) { | ||
throw new MissingPluginException(array('plugin' => $plugin)); | ||
} | ||
if (!empty(self::$_plugins[$plugin]['bootstrap'])) { | ||
self::bootstrap($plugin); | ||
} | ||
if (!empty(self::$_plugins[$plugin]['routes'])) { | ||
self::routes($plugin); | ||
} | ||
} | ||
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/** | ||
* Returns the filesystem path for a plugin | ||
* | ||
* @param string $plugin name of the plugin in CamelCase format | ||
* @return string path to the plugin folder | ||
* @throws MissingPluginException if the folder for plugin was not found or plugin has not been loaded | ||
*/ | ||
public static function path($plugin) { | ||
if (empty(self::_$plugins[$plugin])) { | ||
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throw new MissingPluginException(array('plugin' => $plugin)); | ||
} | ||
return self::_$plugins[$plugin]['path']; | ||
} | ||
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/** | ||
* Loads the bootstrapping files for a plugin, or calls the initialization setup in the configuration | ||
* | ||
* @param string $plugin name of the plugin | ||
* @return mixed | ||
* @see CakePlugin::load() for examples of bootstrap configuration | ||
*/ | ||
public static function bootstrap($plugin) { | ||
$config = self::$_plugins[$plugin]; | ||
if ($config['bootstrap'] === false) { | ||
return false; | ||
} | ||
if (is_callable($config['bootstrap'])) { | ||
return call_user_func_array($config['bootstrap'], array($plugin, $config)); | ||
} | ||
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$path = self::path($plugin); | ||
if ($config['bootstrap'] === true && is_file($path . 'config' . DS . 'bootstrap.php')) { | ||
return include($path . 'config' . DS . 'bootstrap.php'); | ||
} | ||
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$bootstrap = (array)$config['bootstrap']; | ||
foreach ($bootstrap as $file) { | ||
if (is_file($path . 'config' . DS . $file . '.php')) { | ||
include $path . 'config' . DS . $file . '.php' | ||
} | ||
} | ||
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return true; | ||
} | ||
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/** | ||
* Loads the routes file for a plugin | ||
* | ||
* @param string $plugin name of the plugin | ||
* @return boolean | ||
*/ | ||
public static function routes($plugin) { | ||
$config = self::$_plugins[$plugin]; | ||
if ($config['routes'] === false) { | ||
return false; | ||
} | ||
$path = include self::path($plugin) . 'config' . DS . 'routes.php'; | ||
if (is_file($path)) { | ||
include $path; | ||
} | ||
return true; | ||
} | ||
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/** | ||
* Returns a list of all loaded plugins | ||
* | ||
* @return array list of plugins that have been loaded | ||
*/ | ||
public static function list() { | ||
return array_keys(self::$_plugins); | ||
} | ||
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/** | ||
* Forgets a loaded plugin or all of them if first parameter is null | ||
* | ||
* @param string $plugin name of the plugin to forget | ||
* @return void | ||
*/ | ||
public static function unload($plugin = null) { | ||
if (is_null($plugin)) { | ||
self::$_plugins = array(); | ||
} else { | ||
unset($_plugins[$plugin]); | ||
} | ||
} | ||
} |
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$conf variable is not used after assignment