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- <?php
- namespace app\widgets;
- use Yii;
- /**
- * 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::$app->session->setFlash('error', 'This is the message');
- * Yii::$app->session->setFlash('success', 'This is the message');
- * Yii::$app->session->setFlash('info', 'This is the message');
- * ```
- *
- * Multiple messages could be set as follows:
- *
- * ```php
- * Yii::$app->session->setFlash('error', ['Error 1', 'Error 2']);
- * ```
- *
- * @author Kartik Visweswaran <kartikv2@gmail.com>
- * @author Alexander Makarov <sam@rmcreative.ru>
- */
- class Alert extends \yii\bootstrap4\Widget
- {
- /**
- * @var array the alert types configuration for the flash messages.
- * This array is setup as $key => $value, where:
- * - key: the name of the session flash variable
- * - value: 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.
- * Array will be passed to [[\yii\bootstrap\Alert::closeButton]].
- */
- public $closeButton = [];
- /**
- * {@inheritdoc}
- */
- public function run()
- {
- $session = Yii::$app->session;
- $appendClass = isset($this->options['class']) ? ' ' . $this->options['class'] : '';
- foreach (array_keys($this->alertTypes) as $type) {
- $flash = $session->getFlash($type);
- foreach ((array) $flash as $i => $message) {
- echo \yii\bootstrap4\Alert::widget([
- 'body' => $message,
- 'closeButton' => $this->closeButton,
- 'options' => array_merge($this->options, [
- 'id' => $this->getId() . '-' . $type . '-' . $i,
- 'class' => $this->alertTypes[$type] . $appendClass,
- ]),
- ]);
- }
- $session->removeFlash($type);
- }
- }
- }
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