<?php /** * @link http://www.yiiframework.com/ * @copyright Copyright (c) 2008 Yii Software LLC * @license http://www.yiiframework.com/license/ */ namespace common\widgets; /** * Alert widget renders a message from session flash. All flash messages are displayed * in the sequence they were assigned using setFlash. You can set message as following: * * ```php * \Yii::$app->getSession()->setFlash('error', 'This is the message'); * \Yii::$app->getSession()->setFlash('success', 'This is the message'); * \Yii::$app->getSession()->setFlash('info', 'This is the message'); * ``` * * Multiple messages could be set as follows: * * ```php * \Yii::$app->getSession()->setFlash('error', ['Error 1', 'Error 2']); * ``` * * @author Kartik Visweswaran <kartikv2@gmail.com> * @author Alexander Makarov <sam@rmcreative.ru> */ class Alert extends \yii\bootstrap\Widget { /** * @var array the alert types configuration for the flash messages. * This array is setup as $key => $value, where: * - $key is the name of the session flash variable * - $value is the bootstrap alert type (i.e. danger, success, info, warning) */ public $alertTypes = [ 'error' => 'alert-danger', 'danger' => 'alert-danger', 'success' => 'alert-success', 'info' => 'alert-info', 'warning' => 'alert-warning' ]; /** * @var array the options for rendering the close button tag. */ public $closeButton = []; public function init() { parent::init(); $session = \Yii::$app->getSession(); $flashes = $session->getAllFlashes(); $appendCss = isset($this->options['class']) ? ' ' . $this->options['class'] : ''; foreach ($flashes as $type => $data) { if (isset($this->alertTypes[$type])) { $data = (array) $data; foreach ($data as $i => $message) { /* initialize css class for each alert box */ $this->options['class'] = $this->alertTypes[$type] . $appendCss; /* assign unique id to each alert box */ $this->options['id'] = $this->getId() . '-' . $type . '-' . $i; echo \yii\bootstrap\Alert::widget([ 'body' => $message, 'closeButton' => $this->closeButton, 'options' => $this->options, ]); } $session->removeFlash($type); } } } }