mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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99 lines
3.3 KiB
PHP
99 lines
3.3 KiB
PHP
<?php
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/**
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* Flash Helper
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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.View.Helper
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* @since CakePHP(tm) v 2.7.0-dev
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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('AppHelper', 'View/Helper');
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App::uses('CakeSession', 'Model/Datasource');
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/**
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* FlashHelper class to render flash messages.
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*
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* After setting messages in your controllers with FlashComponent, you can use
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* this class to output your flash messages in your views.
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*
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* @package Cake.View.Helper
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*/
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class FlashHelper extends AppHelper {
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/**
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* Used to render the message set in FlashComponent::set()
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*
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* In your view: $this->Flash->render('somekey');
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* Will default to flash if no param is passed
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*
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* You can pass additional information into the flash message generation. This allows you
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* to consolidate all the parameters for a given type of flash message into the view.
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*
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* ```
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* echo $this->Flash->render('flash', array('params' => array('name' => $user['User']['name'])));
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* ```
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*
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* This would pass the current user's name into the flash message, so you could create personalized
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* messages without the controller needing access to that data.
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*
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* Lastly you can choose the element that is used for rendering the flash message. Using
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* custom elements allows you to fully customize how flash messages are generated.
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*
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* ```
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* echo $this->Flash->render('flash', array('element' => 'my_custom_element'));
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* ```
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*
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* If you want to use an element from a plugin for rendering your flash message
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* you can use the dot notation for the plugin's element name:
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*
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* ```
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* echo $this->Flash->render('flash', array(
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* 'element' => 'MyPlugin.my_custom_element',
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* ));
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* ```
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*
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* @param string $key The [Message.]key you are rendering in the view.
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* @param array $options Additional options to use for the creation of this flash message.
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* Supports the 'params', and 'element' keys that are used in the helper.
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* @return string|null Rendered flash message or null if flash key does not exist
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* in session.
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* @throws UnexpectedValueException If value for flash settings key is not an array.
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*/
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public function render($key = 'flash', $options = array()) {
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if (!CakeSession::check("Message.$key")) {
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return;
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}
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$flash = CakeSession::read("Message.$key");
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if (!is_array($flash)) {
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throw new UnexpectedValueException(sprintf(
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'Value for flash setting key "%s" must be an array.',
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$key
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));
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}
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$flash = $options + $flash;
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CakeSession::delete("Message.$key");
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// backwards compatibility with Session->setFlash
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if($flash['element'] === 'default') {
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$class = 'message';
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if (!empty($flash['params']['class'])) {
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$class = $flash['params']['class'];
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}
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return '<div id="' . $key . 'Message" class="' . $class . '">' . $flash['message'] . '</div>';
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}
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return $this->_View->element($flash['element'], $flash);
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}
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}
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