mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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100 lines
No EOL
3 KiB
PHP
100 lines
No EOL
3 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 2005-2011, 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 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package Cake.View
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* @since CakePHP(tm) v 2.0
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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App::uses('ObjectCollection', 'Utility');
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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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* @package Cake.View
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*/
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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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* @param View $view
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*/
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public function __construct(View $view) {
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$this->_View = $view;
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}
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/**
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* Loads/constructs a helper. Will return the instance in the registry if it already exists.
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* By setting `$enable` to false you can disable callbacks for a helper. Alternatively you
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* can set `$settings['enabled'] = false` to disable callbacks. This alias is provided so that when
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* declaring $helpers arrays you can disable callbacks on helpers.
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*
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* You can alias your helper as an existing helper by setting the 'className' key, i.e.,
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* {{{
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* public $helpers = array(
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* 'Html' => array(
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* 'className' => 'AliasedHtml'
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* );
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* );
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* }}}
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* All calls to the `Html` helper would use `AliasedHtml` instead.
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*
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* @param string $helper Helper name to load
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* @param array $settings Settings for the helper.
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* @return Helper A helper object, Either the existing loaded helper or a new one.
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* @throws MissingHelperException when the helper could not be found
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*/
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public function load($helper, $settings = array()) {
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if (is_array($settings) && isset($settings['className'])) {
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$alias = $helper;
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$helper = $settings['className'];
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}
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list($plugin, $name) = pluginSplit($helper, true);
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if (!isset($alias)) {
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$alias = $name;
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}
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if (isset($this->_loaded[$alias])) {
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return $this->_loaded[$alias];
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}
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$helperClass = $name . 'Helper';
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App::uses($helperClass, $plugin . 'View/Helper');
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if (!class_exists($helperClass)) {
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throw new MissingHelperException(array(
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'class' => $helperClass,
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'plugin' => substr($plugin, 0, -1)
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));
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}
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$this->_loaded[$alias] = new $helperClass($this->_View, $settings);
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$vars = array('request', 'theme', 'plugin');
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foreach ($vars as $var) {
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$this->_loaded[$alias]->{$var} = $this->_View->{$var};
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}
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$enable = isset($settings['enabled']) ? $settings['enabled'] : true;
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if ($enable === true) {
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$this->_enabled[] = $alias;
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}
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return $this->_loaded[$alias];
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}
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} |