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<?php |
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/** |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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namespace common\widgets; |
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use Yii; |
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use yii\bootstrap\Widget; |
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use Exception; |
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use yii\bootstrap\Alert as BootstrapAlert; |
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/** |
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* Alert widget renders a message from session flash. All flash messages are displayed |
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* in the sequence they were assigned using setFlash. You can set message as following: |
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* |
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* ```php |
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* Yii::$app->session->setFlash('error', 'This is the message'); |
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* Yii::$app->session->setFlash('success', 'This is the message'); |
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* Yii::$app->session->setFlash('info', 'This is the message'); |
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* ``` |
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* |
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* Multiple messages could be set as follows: |
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* |
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* ```php |
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* Yii::$app->session->setFlash('error', ['Error 1', 'Error 2']); |
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* ``` |
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* |
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* @author Kartik Visweswaran <[email protected]> |
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* @author Alexander Makarov <[email protected]> |
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*/ |
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class Alert extends Widget |
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{ |
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/** |
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* @var array the alert types configuration for the flash messages. |
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* This array is setup as $key => $value, where: |
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* - $key is the name of the session flash variable |
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* - $value is the bootstrap alert type (i.e. danger, success, info, warning) |
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*/ |
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public $alertTypes = [ |
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'error' => 'alert-danger', |
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'danger' => 'alert-danger', |
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'success' => 'alert-success', |
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'info' => 'alert-info', |
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'warning' => 'alert-warning' |
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]; |
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/** |
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* @var array the options for rendering the close button tag. |
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*/ |
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public $closeButton = []; |
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public function init() |
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{ |
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parent::init(); |
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/** @var yii\web\Session $session */ |
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$session = Yii::$app->session; |
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$flashes = $session->getAllFlashes(); |
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$appendCss = isset($this->options['class']) ? ' ' . $this->options['class'] : ''; |
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foreach ($flashes as $type => $data) { |
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if (isset($this->alertTypes[$type])) { |
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$data = (array)$data; |
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try { |
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$this->processTypes($this->alertTypes[$type], $data, $appendCss); |
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} catch (Exception $e) { |
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// Save to log |
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} |
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$session->removeFlash($type); |
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} |
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} |
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} |
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/** |
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* @param string $type |
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* @param array $data |
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* @param string $appendCss |
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* @throws Exception |
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*/ |
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protected function processTypes($type, $data, $appendCss) |
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{ |
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foreach ($data as $i => $message) { |
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/* initialize css class for each alert box */ |
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$this->options['class'] = $type . $appendCss; |
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/* assign unique id to each alert box */ |
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$this->options['id'] = $this->getId() . '-' . $type . '-' . $i; |
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$this->renderFlash($message); |
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} |
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} |
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/** |
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* @param array $message |
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* @throws Exception |
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*/ |
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protected function renderFlash($message) |
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{ |
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echo BootstrapAlert::widget([ |
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'body' => $message, |
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'closeButton' => $this->closeButton, |
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'options' => $this->options |
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]); |
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} |
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} |
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Dominus77 /
yii2-advanced-start
