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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;
/**
* Alert widget renders a message from session flash. 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>
*/
class Alert extends \yii\bootstrap\Alert
{
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private $_doNotRender = false;
public function init()
{
if ($this->body = \Yii::$app->getSession()->getFlash('error')) {
Html::addCssClass($this->options, 'alert-danger');
} elseif ($this->body = \Yii::$app->getSession()->getFlash('success')) {
Html::addCssClass($this->options, 'alert-success');
} elseif ($this->body = \Yii::$app->getSession()->getFlash('info')) {
Html::addCssClass($this->options, 'alert-info');
} elseif ($this->body = \Yii::$app->getSession()->getFlash('warning')) {
Html::addCssClass($this->options, 'alert-warning');
} else {
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$this->_doNotRender = true;
return;
}
parent::init();
}
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public function run()
{
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if (!$this->_doNotRender) {
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parent::run();
}
}
}