Merge pull request #449 from creocoder/jui-draggable

[READY] jQuery UI draggable widget

framework/yii/jui/Draggable.php

@@ -0,0 +1,52 @@
+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\jui;
+
+use yii\helpers\Html;
+
+/**
+ * Draggable renders an draggable jQuery UI widget.
+ *
+ * For example:
+ *
+ * ```php
+ * Draggable::begin(array(
+ *     'clientOptions' => array(
+ *         'grid' => array(50, 20),
+ *     ),
+ * ));
+ *
+ * echo 'Draggable contents here...';
+ *
+ * Draggable::end();
+ * ```
+ *
+ * @see http://api.jqueryui.com/draggable/
+ * @author Alexander Kochetov <creocoder@gmail.com>
+ * @since 2.0
+ */
+class Draggable extends Widget
+{
+	/**
+	 * Initializes the widget.
+	 */
+	public function init()
+	{
+		parent::init();
+		echo Html::beginTag('div', $this->options) . "\n";
+	}
+
+	/**
+	 * Renders the widget.
+	 */
+	public function run()
+	{
+		echo Html::endTag('div') . "\n";
+		$this->registerWidget('draggable', false);
+	}
+}