Merge pull request #410 from creocoder/jui-sortable

[READY] JQuery UI sortable widget

framework/yii/jui/Sortable.php

@@ -0,0 +1,98 @@
+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\jui;
+
+use yii\base\InvalidConfigException;
+use yii\helpers\ArrayHelper;
+use yii\helpers\Html;
+
+/**
+ * Sortable renders a sortable jQuery UI widget.
+ *
+ * For example:
+ *
+ * ```php
+ * echo Sortable::widget(array(
+ *     'items' => array(
+ *         'Item 1',
+ *         array(
+ *             'content' => 'Item2',
+ *         ),
+ *         array(
+ *             'content' => 'Item3',
+ *             'options' => array(
+ *                 'tag' => 'li',
+ *             ),
+ *         ),
+ *     ),
+ *     'options' => array(
+ *         'tag' => 'ul',
+ *     ),
+ *     'itemOptions' => array(
+ *         'tag' => 'li',
+ *     ),
+ *     'clientOptions' => array(
+ *         'cursor' => 'move',
+ *     ),
+ * ));
+ * ```
+ *
+ * @see http://api.jqueryui.com/sortable/
+ * @author Alexander Kochetov <creocoder@gmail.com>
+ * @since 2.0
+ */
+class Sortable extends Widget
+{
+	/**
+	 * @var array list of sortable containers.
+	 */
+	public $items = array();
+	/**
+	 * @var array list of individual sortable container default options.
+	 */
+	public $itemOptions = array();
+
+
+	/**
+	 * Renders the widget.
+	 */
+	public function run()
+	{
+		$options = $this->options;
+		$tag = ArrayHelper::remove($options, 'tag', 'ul');
+		echo Html::beginTag($tag, $options) . "\n";
+		echo $this->renderItems() . "\n";
+		echo Html::endTag($tag) . "\n";
+		$this->registerWidget('sortable', false);
+	}
+
+	/**
+	 * Renders sortable items as specified on [[items]].
+	 * @return string the rendering result.
+	 * @throws InvalidConfigException.
+	 */
+	public function renderItems()
+	{
+		$items = array();
+		foreach ($this->items as $item) {
+			$options = $this->itemOptions;
+			$tag = ArrayHelper::remove($options, 'tag', 'li');
+			if (is_array($item)) {
+				if (!isset($item['content'])) {
+					throw new InvalidConfigException("The 'content' option is required.");
+				}
+				$options = array_merge($options, ArrayHelper::getValue($item, 'options', array()));
+				$tag = ArrayHelper::remove($options, 'tag', $tag);
+				$items[] = Html::tag($tag, $item['content'], $options);
+			} else {
+				$items[] = Html::tag($tag, $item, $options);
+			}
+		}
+		return implode("\n", $items);
+	}
+}

framework/yii/jui/Widget.php

@@ -58,13 +58,16 @@ class Widget extends \yii\base\Widget
 	/**
 	 * Registers a specific jQuery UI widget and the related events
 	 * @param string $name the name of the jQuery UI widget
+	 * @param boolean $registerTheme whether register theme bundle
 	 */
-	protected function registerWidget($name)
+	protected function registerWidget($name, $registerTheme = true)
 	{
 		$id = $this->options['id'];
 		$view = $this->getView();
 		$view->registerAssetBundle("yii/jui/$name");
-		$view->registerAssetBundle(static::$theme . "/$name");
+		if ($registerTheme) {
+			$view->registerAssetBundle(static::$theme . "/$name");
+		}
 
 		if ($this->clientOptions !== false) {
 			$options = empty($this->clientOptions) ? '' : Json::encode($this->clientOptions);