fixes #1888: updated Alert phpdoc

apps/advanced/frontend/widgets/Alert.php

@@ -27,11 +27,11 @@ class Alert extends \yii\bootstrap\Widget
 	 * - $value is the bootstrap alert type (i.e. danger, success, info, warning)
 	 */
 	public $alertTypes = [
-		'error'   => 'danger',
-		'danger'  => 'danger',
-		'success' => 'success',
-		'info'    => 'info',
-		'warning' => 'warning'
+		'error'   => 'alert-danger',
+		'danger'  => 'alert-danger',
+		'success' => 'alert-success',
+		'info'    => 'alert-info',
+		'warning' => 'alert-warning'
 	];
 	
 	/**
@@ -49,7 +49,7 @@ class Alert extends \yii\bootstrap\Widget
 		
 		foreach ($flashes as $type => $message) {
 			/* initialize css class for each alert box */
-			$this->options['class'] = 'alert-' . $this->alertTypes[$type] . $appendCss;
+			$this->options['class'] = $this->alertTypes[$type] . $appendCss;
 
 			/* assign unique id to each alert box */
 			$this->options['id'] = $this->getId() . '-' . $type;
@@ -57,7 +57,7 @@ class Alert extends \yii\bootstrap\Widget
 			echo \yii\bootstrap\Alert::widget([
 				'body' => $message,
 				'closeButton' => $this->closeButton,
-				'options' => $this->options
+				'options' => $this->options,
 			]);
 
 			$session->removeFlash($type);

extensions/bootstrap/Alert.php

@@ -18,11 +18,10 @@ use yii\helpers\Html;
  *
  * ```php
  * echo Alert::widget([
- *     'body' => 'Say hello...',
- *     'closeButton' => [
- *         'label' => '×',
- *         'tag' => 'a',
+ *     'options' => [
+ *         'class' => 'alert-info',
  *     ],
+ *     'body' => 'Say hello...',
  * ]);
  * ```
  *
@@ -31,7 +30,9 @@ use yii\helpers\Html;
  *
  * ```php
  * Alert::begin([
- *     'closeButton' => ['label' => '×'],
+ *     'options' => [
+ *         'class' => 'alert-warning',
+ *     ],
  * ]);
  *
  * echo 'Say hello...';
@@ -39,7 +40,7 @@ use yii\helpers\Html;
  * Alert::end();
  * ```
  *
- * @see http://twitter.github.io/bootstrap/javascript.html#alerts
+ * @see http://getbootstrap.com/components/#alerts
  * @author Antonio Ramirez <amigo.cobos@gmail.com>
  * @since 2.0
  */
@@ -62,7 +63,7 @@ class Alert extends Widget
 	 * - label: string, the label of the button. Defaults to '&times;'.
 	 *
 	 * The rest of the options will be rendered as the HTML attributes of the button tag.
-	 * Please refer to the [Alert plugin help](http://twitter.github.com/bootstrap/javascript.html#alerts)
+	 * Please refer to the [Alert documentation](http://getbootstrap.com/components/#alerts)
 	 * for the supported HTML attributes.
 	 */
 	public $closeButton = [];
@@ -134,9 +135,9 @@ class Alert extends Widget
 	 */
 	protected function initOptions()
 	{
-		$this->options = array_merge(['class' => 'fade in'], $this->options);
-
 		Html::addCssClass($this->options, 'alert');
+		Html::addCssClass($this->options, 'fade');
+		Html::addCssClass($this->options, 'in');
 
 		if ($this->closeButton !== null) {
 			$this->closeButton = array_merge([