mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
synced 2024-11-15 03:18:26 +00:00
1f5d1eee98
The 2nd key in the registry was to support persistModel which has long since been removed. With this registry key not being used it can be removed with reasonable safety. Fixes #2306
298 lines
8.6 KiB
PHP
298 lines
8.6 KiB
PHP
<?php
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/**
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* BehaviorCollection
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*
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* Provides management and interface for interacting with collections of behaviors.
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*
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* PHP 5
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* For full copyright and license information, please see the LICENSE.txt
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package Cake.Model
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* @since CakePHP(tm) v 1.2.0.0
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* @license http://www.opensource.org/licenses/mit-license.php MIT License
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*/
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App::uses('ObjectCollection', 'Utility');
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App::uses('CakeEventListener', 'Event');
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/**
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* Model behavior collection class.
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*
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* Defines the Behavior interface, and contains common model interaction functionality.
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*
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* @package Cake.Model
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*/
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class BehaviorCollection extends ObjectCollection implements CakeEventListener {
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/**
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* Stores a reference to the attached name
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*
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* @var string
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*/
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public $modelName = null;
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/**
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* Keeps a list of all methods of attached behaviors
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*
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* @var array
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*/
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protected $_methods = array();
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/**
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* Keeps a list of all methods which have been mapped with regular expressions
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*
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* @var array
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*/
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protected $_mappedMethods = array();
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/**
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* Attaches a model object and loads a list of behaviors
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*
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* @param string $modelName
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* @param array $behaviors
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* @return void
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*/
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public function init($modelName, $behaviors = array()) {
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$this->modelName = $modelName;
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if (!empty($behaviors)) {
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foreach (BehaviorCollection::normalizeObjectArray($behaviors) as $config) {
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$this->load($config['class'], $config['settings']);
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}
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}
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}
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/**
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* Backwards compatible alias for load()
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*
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* @param string $behavior
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* @param array $config
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* @return void
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* @deprecated Will be removed in 3.0. Replaced with load().
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*/
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public function attach($behavior, $config = array()) {
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return $this->load($behavior, $config);
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}
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/**
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* Loads a behavior into the collection. You can use use `$config['enabled'] = false`
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* to load a behavior with callbacks disabled. By default callbacks are enabled. Disable behaviors
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* can still be used as normal.
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*
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* You can alias your behavior as an existing behavior by setting the 'className' key, i.e.,
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* {{{
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* public $actsAs = array(
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* 'Tree' => array(
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* 'className' => 'AliasedTree'
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* );
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* );
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* }}}
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* All calls to the `Tree` behavior would use `AliasedTree` instead.
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*
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* @param string $behavior CamelCased name of the behavior to load
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* @param array $config Behavior configuration parameters
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* @return boolean True on success, false on failure
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* @throws MissingBehaviorException when a behavior could not be found.
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*/
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public function load($behavior, $config = array()) {
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if (isset($config['className'])) {
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$alias = $behavior;
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$behavior = $config['className'];
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}
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$configDisabled = isset($config['enabled']) && $config['enabled'] === false;
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$priority = isset($config['priority']) ? $config['priority'] : $this->defaultPriority;
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unset($config['enabled'], $config['className'], $config['priority']);
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list($plugin, $name) = pluginSplit($behavior, true);
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if (!isset($alias)) {
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$alias = $name;
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}
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$class = $name . 'Behavior';
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App::uses($class, $plugin . 'Model/Behavior');
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if (!class_exists($class)) {
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throw new MissingBehaviorException(array(
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'class' => $class,
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'plugin' => substr($plugin, 0, -1)
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));
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}
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if (!isset($this->{$alias})) {
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if (ClassRegistry::isKeySet($class)) {
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$this->_loaded[$alias] = ClassRegistry::getObject($class);
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} else {
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$this->_loaded[$alias] = new $class();
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ClassRegistry::addObject($class, $this->_loaded[$alias]);
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}
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} elseif (isset($this->_loaded[$alias]->settings) && isset($this->_loaded[$alias]->settings[$this->modelName])) {
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if ($config !== null && $config !== false) {
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$config = array_merge($this->_loaded[$alias]->settings[$this->modelName], $config);
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} else {
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$config = array();
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}
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}
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if (empty($config)) {
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$config = array();
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}
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$this->_loaded[$alias]->settings['priority'] = $priority;
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$this->_loaded[$alias]->setup(ClassRegistry::getObject($this->modelName), $config);
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foreach ($this->_loaded[$alias]->mapMethods as $method => $methodAlias) {
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$this->_mappedMethods[$method] = array($alias, $methodAlias);
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}
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$methods = get_class_methods($this->_loaded[$alias]);
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$parentMethods = array_flip(get_class_methods('ModelBehavior'));
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$callbacks = array(
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'setup', 'cleanup', 'beforeFind', 'afterFind', 'beforeSave', 'afterSave',
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'beforeDelete', 'afterDelete', 'onError'
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);
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foreach ($methods as $m) {
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if (!isset($parentMethods[$m])) {
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$methodAllowed = (
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$m[0] !== '_' && !array_key_exists($m, $this->_methods) &&
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!in_array($m, $callbacks)
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);
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if ($methodAllowed) {
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$this->_methods[$m] = array($alias, $m);
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}
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}
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}
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if ($configDisabled) {
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$this->disable($alias);
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} elseif (!$this->enabled($alias)) {
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$this->enable($alias);
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} else {
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$this->setPriority($alias, $priority);
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}
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return true;
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}
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/**
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* Detaches a behavior from a model
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*
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* @param string $name CamelCased name of the behavior to unload
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* @return void
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*/
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public function unload($name) {
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list(, $name) = pluginSplit($name);
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if (isset($this->_loaded[$name])) {
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$this->_loaded[$name]->cleanup(ClassRegistry::getObject($this->modelName));
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parent::unload($name);
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}
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foreach ($this->_methods as $m => $callback) {
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if (is_array($callback) && $callback[0] == $name) {
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unset($this->_methods[$m]);
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}
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}
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}
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/**
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* Backwards compatible alias for unload()
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*
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* @param string $name Name of behavior
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* @return void
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* @deprecated Will be removed in 3.0. Use unload instead.
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*/
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public function detach($name) {
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return $this->unload($name);
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}
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/**
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* Dispatches a behavior method. Will call either normal methods or mapped methods.
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*
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* If a method is not handled by the BehaviorCollection, and $strict is false, a
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* special return of `array('unhandled')` will be returned to signal the method was not found.
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*
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* @param Model $model The model the method was originally called on.
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* @param string $method The method called.
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* @param array $params Parameters for the called method.
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* @param boolean $strict If methods are not found, trigger an error.
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* @return array All methods for all behaviors attached to this object
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*/
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public function dispatchMethod($model, $method, $params = array(), $strict = false) {
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$method = $this->hasMethod($method, true);
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if ($strict && empty($method)) {
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trigger_error(__d('cake_dev', '%s - Method %s not found in any attached behavior', 'BehaviorCollection::dispatchMethod()', $method), E_USER_WARNING);
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return null;
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}
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if (empty($method)) {
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return array('unhandled');
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}
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if (count($method) === 3) {
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array_unshift($params, $method[2]);
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unset($method[2]);
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}
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return call_user_func_array(
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array($this->_loaded[$method[0]], $method[1]),
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array_merge(array(&$model), $params)
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);
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}
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/**
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* Gets the method list for attached behaviors, i.e. all public, non-callback methods.
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* This does not include mappedMethods.
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*
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* @return array All public methods for all behaviors attached to this collection
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*/
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public function methods() {
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return $this->_methods;
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}
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/**
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* Check to see if a behavior in this collection implements the provided method. Will
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* also check mappedMethods.
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*
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* @param string $method The method to find.
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* @param boolean $callback Return the callback for the method.
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* @return mixed If $callback is false, a boolean will be returned, if its true, an array
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* containing callback information will be returned. For mapped methods the array will have 3 elements.
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*/
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public function hasMethod($method, $callback = false) {
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if (isset($this->_methods[$method])) {
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return $callback ? $this->_methods[$method] : true;
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}
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foreach ($this->_mappedMethods as $pattern => $target) {
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if (preg_match($pattern . 'i', $method)) {
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if ($callback) {
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$target[] = $method;
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return $target;
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}
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return true;
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}
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}
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return false;
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}
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/**
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* Returns the implemented events that will get routed to the trigger function
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* in order to dispatch them separately on each behavior
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*
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* @return array
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*/
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public function implementedEvents() {
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return array(
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'Model.beforeFind' => 'trigger',
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'Model.afterFind' => 'trigger',
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'Model.beforeValidate' => 'trigger',
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'Model.afterValidate' => 'trigger',
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'Model.beforeSave' => 'trigger',
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'Model.afterSave' => 'trigger',
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'Model.beforeDelete' => 'trigger',
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'Model.afterDelete' => 'trigger'
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);
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}
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}
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