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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace frontend\widgets;
use yii\helpers\Html;
use yii\bootstrap\Widget;
use yii\bootstrap\Alert as BsAlert;
/**
* 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:
*
* - \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');
*
* @author Alexander Makarov <sam@rmcerative.ru>
* @author Kartik Visweswaran <kartikv2@gmail.com>
*/
class Alert extends Widget
{
/**
* @var array the allowed bootstrap alert types.
*/
public $allowedTypes = ['error', 'danger', 'success', 'info', 'warning'];
/**
* @var array the options for rendering the close button tag.
*/
public $closeButton = [];
private $_doNotRender = true;
public function init()
{
$this->_doNotRender = true;
$session = \Yii::$app->getSession();
$flashes = $session->getAllFlashes();
$baseCssClass = isset($this->options['class']) ? $this->options['class'] : '';
foreach ($flashes as $type => $message) {
if (in_array($type, $this->allowedTypes)) {
$this->options['class'] = (($type === 'error') ? "alert-danger" : "alert-{$type}") . ' ' . $baseCssClass;
echo BsAlert::widget([
'body' => $message,
'closeButton' => $this->closeButton,
'options' => $this->options
]);
Html::removeCssClass($this->options, $class);
$session->removeFlash($type);
$this->_doNotRender = false;
}
}
if (!$this->_doNotRender) {
parent::init();
}
}
public function run()
{
if (!$this->_doNotRender) {
parent::run();
}
}
}