jQuery UI spinner widget

framework/yii/jui/Spinner.php

+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\jui;
+
+use Yii;
+use yii\helpers\Html;
+
+/**
+ * Spinner renders an spinner jQuery UI widget.
+ *
+ * For example:
+ *
+ * ```php
+ * echo Spinner::widget(array(
+ *     'model' => $model,
+ *     'attribute' => 'country',
+ *     'clientOptions' => array(
+ *         'step' => 2,
+ *     ),
+ * ));
+ * ```
+ *
+ * The following example will use the name property instead:
+ *
+ * ```php
+ * echo Spinner::widget(array(
+ *     'name'  => 'country',
+ *     'clientOptions' => array(
+ *         'step' => 2,
+ *     ),
+ * ));
+ *```
+ *
+ * @see http://api.jqueryui.com/spinner/
+ * @author Alexander Kochetov <creocoder@gmail.com>
+ * @since 2.0
+ */
+class Spinner extends InputWidget
+{
+	/**
+	 * Renders the widget.
+	 */
+	public function run()
+	{
+		echo $this->renderWidget();
+		$this->registerWidget('spinner');
+	}
+
+	/**
+	 * Renders the Spinner widget.
+	 * @return string the rendering result.
+	 */
+	public function renderWidget()
+	{
+		if ($this->hasModel()) {
+			return Html::activeTextInput($this->model, $this->attribute, $this->options);
+		} else {
+			return Html::textInput($this->name, $this->value, $this->options);
+		}
+	}
+}