mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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210 lines
No EOL
6.5 KiB
PHP
210 lines
No EOL
6.5 KiB
PHP
<?php
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/**
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* Deals with Collections of objects. Keeping registries of those objects,
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* loading and constructing new objects and triggering callbacks.
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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 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package cake
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* @subpackage cake.cake.libs.view
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* @since CakePHP(tm) v 0.10.0.1076
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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abstract class ObjectCollection {
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/**
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* List of the currently-enabled objects
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*
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* @var array
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* @access protected
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*/
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protected $_enabled = array();
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/**
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* A hash of loaded objects, indexed by name
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*
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* @var array
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*/
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protected $_loaded = array();
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/**
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* Loads a new object onto the collection. Can throw a variety of exceptions
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*
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* @param string $name Name of object to load.
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* @param array $options Array of configuration options for the object to be constructed.
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* @param boolean $enable Whether or not this helper should be enabled by default
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* @return object the constructed object
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*/
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abstract public function load($name, $options = array(), $enable = true);
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/**
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* Trigger a callback method on every object in the collection.
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* Used to trigger methods on objects in the collection. Will fire the methods in the
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* order they were attached.
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*
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* ### Options
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*
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* - `breakOn` Set to the value or values you want the callback propagation to stop on.
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* Defaults to `false`
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* - `break` Set to true to enabled breaking. Defaults to `false`.
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* - `collectReturn` Set to true to collect the return of each object into an array.
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* This array of return values will be returned from the trigger() call. Defaults to `false`.
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* - `triggerDisabled` Will trigger the callback on all objects in the collection even the non-enabled
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* objects. Defaults to false.
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*
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* @param string $callback Method to fire on all the objects. Its assumed all the objects implement
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* the method you are calling.
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* @param array $params Array of parameters for the triggered callback.
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* @param array $options Array of options.
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* @return mixed true.
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*/
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public function trigger($callback, $params = array(), $options = array()) {
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if (empty($this->_enabled)) {
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return true;
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}
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$options = array_merge(
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array('break' => false, 'breakOn' => false, 'collectReturn' => false, 'triggerDisabled' => false),
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$options
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);
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$collected = array();
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$list = $this->_enabled;
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if ($options['triggerDisabled'] === true) {
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$list = array_keys($this->_loaded);
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}
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foreach ($list as $name) {
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$result = call_user_func_array(array(&$this->_loaded[$name], $callback), $params);
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if ($options['collectReturn'] === true) {
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$collected[] = $result;
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}
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if (
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$options['break'] && ($result === $options['breakOn'] ||
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(is_array($options['breakOn']) && in_array($result, $options['breakOn'], true)))
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) {
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return ($options['collectReturn'] === true) ? $collected : $result;
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}
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}
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return $options['collectReturn'] ? $collected : true;
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}
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/**
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* Provide public read access to the loaded objects
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*
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* @param string $name Name of property to read
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* @return mixed
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*/
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public function __get($name) {
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if (isset($this->_loaded[$name])) {
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return $this->_loaded[$name];
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}
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return null;
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}
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/**
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* Provide isset access to _loaded
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*
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* @param sting $name Name of object being checked.
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* @return boolean
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*/
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public function __isset($name) {
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return isset($this->_loaded[$name]);
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}
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/**
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* Enables callbacks on an object or array of objects
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*
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* @param mixed $name CamelCased name of the object(s) to enable (string or array)
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* @return void
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*/
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public function enable($name) {
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foreach ((array)$name as $object) {
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if (isset($this->_loaded[$object]) && array_search($object, $this->_enabled) === false) {
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$this->_enabled[] = $object;
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}
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}
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}
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/**
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* Disables callbacks on a object or array of objects. Public object methods are still
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* callable as normal.
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*
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* @param mixed $name CamelCased name of the objects(s) to disable (string or array)
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* @return void
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*/
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public function disable($name) {
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foreach ((array)$name as $object) {
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$index = array_search($object, $this->_enabled);
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unset($this->_enabled[$index]);
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}
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$this->_enabled = array_values($this->_enabled);
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}
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/**
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* Gets the list of currently-enabled objects, or, the current status of a single objects
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*
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* @param string $name Optional. The name of the object to check the status of. If omitted,
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* returns an array of currently-enabled object
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* @return mixed If $name is specified, returns the boolean status of the corresponding object.
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* Otherwise, returns an array of all enabled objects.
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*/
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public function enabled($name = null) {
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if (!empty($name)) {
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return in_array($name, $this->_enabled);
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}
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return $this->_enabled;
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}
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/**
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* Gets the list of attached behaviors, or, whether the given behavior is attached
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*
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* @param string $name Optional. The name of the behavior to check the status of. If omitted,
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* returns an array of currently-attached behaviors
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* @return mixed If $name is specified, returns the boolean status of the corresponding behavior.
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* Otherwise, returns an array of all attached behaviors.
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*/
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public function attached($name = null) {
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if (!empty($name)) {
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return isset($this->_loaded[$name]);
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}
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return array_keys($this->_loaded);
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}
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/**
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* Name of the object to remove from the collection
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*
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* @param string $name Name of the object to delete.
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* @return void
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*/
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public function unload($name) {
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list($plugin, $name) = pluginSplit($name);
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unset($this->_loaded[$name]);
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$this->_enabled = array_values(array_diff($this->_enabled, (array)$name));
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}
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/**
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* Normalizes an object array, creates an array that makes lazy loading
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* easier
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*
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* @param array $objects Array of child objects to normalize.
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* @return array Array of normalized objects.
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*/
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public static function normalizeObjectArray($objects) {
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$normal = array();
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foreach ($objects as $i => $objectName) {
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$options = array();
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if (!is_int($i)) {
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list($options, $objectName) = array($objectName, $i);
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}
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list($plugin, $name) = pluginSplit($objectName);
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$normal[$name] = array('class' => $objectName, 'settings' => $options);
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}
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return $normal;
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}
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} |