mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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91 lines
No EOL
2.7 KiB
PHP
91 lines
No EOL
2.7 KiB
PHP
<?php
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/**
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* Helpers collection is used as a registry for loaded helpers and handles loading
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* and constructing helper class objects.
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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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App::import('Core', 'ObjectCollection');
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class HelperCollection extends ObjectCollection {
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/**
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* View object to use when making helpers.
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*
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* @var View
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*/
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protected $_View;
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/**
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* Constructor
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*
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* @return void
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*/
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public function __construct(View $view) {
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$this->_View = $view;
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}
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/**
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* Loads/constructs a helper. Will return the instance in the registry if it already exists.
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*
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* @param string $helper Helper name to load
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* @param array $settings Settings for the helper.
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* @param boolean $enable Whether or not this helper should be enabled by default
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* @return Helper A helper object, Either the existing loaded helper or a new one.
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* @throws MissingHelperFileException, MissingHelperClassException when the helper could not be found
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*/
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public function load($helper, $settings = array(), $enable = true) {
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list($plugin, $name) = pluginSplit($helper, true);
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if (isset($this->{$name})) {
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return $this->{$name};
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}
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$helperClass = $name . 'Helper';
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if (!class_exists($helperClass)) {
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if (!App::import('Helper', $helper)) {
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throw new MissingHelperFileException(Inflector::underscore($name) . '.php');
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}
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if (!class_exists($helperClass)) {
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throw new MissingHelperClassException($helperClass);
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}
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}
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$this->{$name} = new $helperClass($this->_View, $settings);
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if (!in_array($name, $this->_attached)) {
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$this->_attached[] = $name;
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}
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if ($enable === false) {
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$this->_disabled[] = $name;
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}
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return $this->{$name};
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}
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/**
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* Name of the helper to remove from the collection
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*
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* @param string $name Name of helper to delete.
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* @return void
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*/
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public function unload($name) {
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list($plugin, $name) = pluginSplit($name);
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unset($this->{$name});
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$this->_attached = array_values(array_diff($this->_attached, (array)$name));
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}
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}
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/**
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* Exceptions used by the HelperCollection.
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*/
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class MissingHelperFileException extends RuntimeException { }
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class MissingHelperClassException extends RuntimeException { }
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