Fixes issue #257: removed the $view parameter from widget methods.

apps/bootstrap/protected/views/layouts/main.php

@@ -27,7 +27,7 @@ $this->registerAssetBundle('app');
 		<div class="navbar">
 			<div class="navbar-inner">
 				<div class="container">
-					<?php echo Menu::widget($this, array(
+					<?php echo Menu::widget(array(
 						'options' => array('class' => 'nav'),
 						'items' => array(
 							array('label' => 'Home', 'url' => array('/site/index')),
@@ -44,7 +44,7 @@ $this->registerAssetBundle('app');
 		<!-- /.navbar -->
 	</div>
 
-	<?php echo Breadcrumbs::widget($this, array(
+	<?php echo Breadcrumbs::widget(array(
 		'links' => isset($this->params['breadcrumbs']) ? $this->params['breadcrumbs'] : array(),
 	)); ?>
 	<?php echo $content; ?>
@@ -60,7 +60,7 @@ $this->registerAssetBundle('app');
 	</div>
 	<?php $this->endBody(); ?>
 </div>
-<?php echo Toolbar::widget($this); ?>
+<?php echo Toolbar::widget(); ?>
 </body>
 </html>
 <?php $this->endPage(); ?>

apps/bootstrap/protected/views/site/contact.php

@@ -23,7 +23,7 @@ $this->params['breadcrumbs'][] = $this->title;
 	If you have business inquiries or other questions, please fill out the following form to contact us. Thank you.
 </p>
 
-<?php $form = ActiveForm::begin($this, array(
+<?php $form = ActiveForm::begin(array(
 	'options' => array('class' => 'form-horizontal'),
 	'fieldConfig' => array('inputOptions' => array('class' => 'input-xlarge')),
 )); ?>
@@ -35,7 +35,7 @@ $this->params['breadcrumbs'][] = $this->title;
 		$field = $form->field($model, 'verifyCode');
 		echo $field->begin()
 			. $field->label()
-			. Captcha::widget($this)
+			. Captcha::widget()
 			. Html::activeTextInput($model, 'verifyCode', array('class' => 'input-medium'))
 			. $field->error()
 			. $field->end();

apps/bootstrap/protected/views/site/login.php

@@ -14,7 +14,7 @@ $this->params['breadcrumbs'][] = $this->title;
 
 <p>Please fill out the following fields to login:</p>
 
-<?php $form = ActiveForm::begin($this, array('options' => array('class' => 'form-horizontal'))); ?>
+<?php $form = ActiveForm::begin(array('options' => array('class' => 'form-horizontal'))); ?>
 	<?php echo $form->field($model, 'username')->textInput(); ?>
 	<?php echo $form->field($model, 'password')->passwordInput(); ?>
 	<?php echo $form->field($model, 'rememberMe')->checkbox(); ?>

docs/guide/upgrade-from-v1.md

@@ -218,7 +218,7 @@ methods of the `Widget` class. For example,
 ```php
 // $this refers to the View object
 // Note that you have to "echo" the result to display it
-echo \yii\widgets\Menu::widget($this, array('items' => $items));
+echo \yii\widgets\Menu::widget(array('items' => $items));
 
 // $this refers to the View object
 $form = \yii\widgets\ActiveForm::begin($this);

yii/base/Controller.php

@@ -410,6 +410,7 @@ class Controller extends Component
 	 * Returns the view object that can be used to render views or view files.
 	 * The [[render()]], [[renderPartial()]] and [[renderFile()]] methods will use
 	 * this view object to implement the actual view rendering.
+	 * If not set, it will default to the "view" application component.
 	 * @return View the view object that can be used to render views or view files.
 	 */
 	public function getView()

yii/base/View.php

@@ -373,9 +373,10 @@ class View extends Component
 	 */
 	public function beginBlock($id, $renderInPlace = false)
 	{
-		return Block::begin($this, array(
+		return Block::begin(array(
 			'id' => $id,
 			'renderInPlace' => $renderInPlace,
+			'view' => $this,
 		));
 	}
 
@@ -406,9 +407,10 @@ class View extends Component
 	 */
 	public function beginContent($viewFile, $params = array())
 	{
-		return ContentDecorator::begin($this, array(
+		return ContentDecorator::begin(array(
 			'viewFile' => $viewFile,
 			'params' => $params,
+			'view' => $this,
 		));
 	}
 
@@ -442,8 +444,9 @@ class View extends Component
 	public function beginCache($id, $properties = array())
 	{
 		$properties['id'] = $id;
+		$properties['view'] = $this;
 		/** @var $cache FragmentCache */
-		$cache = FragmentCache::begin($this, $properties);
+		$cache = FragmentCache::begin($properties);
 		if ($cache->getCachedContent() !== false) {
 			$this->endCache();
 			return false;

yii/base/Widget.php

@@ -18,16 +18,6 @@ use Yii;
 class Widget extends Component
 {
 	/**
-	 * @var View the view object that this widget is associated with.
-	 * The widget will use this view object to register any needed assets.
-	 * This property is also required by [[render()]] and [[renderFile()]].
-	 */
-	public $view;
-	/**
-	 * @var string id of the widget.
-	 */
-	private $_id;
-	/**
 	 * @var integer a counter used to generate [[id]] for widgets.
 	 * @internal
 	 */
@@ -39,32 +29,19 @@ class Widget extends Component
 	 */
 	public static $_stack = array();
 
-	/**
-	 * Constructor.
-	 * @param View $view the view object that this widget is associated with.
-	 * The widget will use this view object to register any needed assets.
-	 * It is also required by [[render()]] and [[renderFile()]].
-	 * @param array $config name-value pairs that will be used to initialize the object properties
-	 */
-	public function __construct($view, $config = array())
-	{
-		$this->view = $view;
-		parent::__construct($config);
-	}
 	
 	/**
 	 * Begins a widget.
 	 * This method creates an instance of the calling class. It will apply the configuration
 	 * to the created instance. A matching [[end()]] call should be called later.
-	 * @param View $view the view object that the newly created widget is associated with.
 	 * @param array $config name-value pairs that will be used to initialize the object properties
 	 * @return Widget the newly created widget instance
 	 */
-	public static function begin($view, $config = array())
+	public static function begin($config = array())
 	{
 		$config['class'] = get_called_class();
 		/** @var Widget $widget */
-		$widget = Yii::createObject($config, $view);
+		$widget = Yii::createObject($config);
 		self::$_stack[] = $widget;
 		return $widget;
 	}
@@ -93,21 +70,22 @@ class Widget extends Component
 	/**
 	 * Creates a widget instance and runs it.
 	 * The widget rendering result is returned by this method.
-	 * @param View $view the view object that the newly created widget is associated with.
 	 * @param array $config name-value pairs that will be used to initialize the object properties
 	 * @return string the rendering result of the widget.
 	 */
-	public static function widget($view, $config = array())
+	public static function widget($config = array())
 	{
 		ob_start();
 		ob_implicit_flush(false);
 		/** @var Widget $widget */
 		$config['class'] = get_called_class();
-		$widget = Yii::createObject($config, $view);
+		$widget = Yii::createObject($config);
 		$widget->run();
 		return ob_get_clean();
 	}
 
+	private $_id;
+	
 	/**
 	 * Returns the ID of the widget.
 	 * @param boolean $autoGenerate whether to generate an ID if it is not set previously
@@ -130,6 +108,32 @@ class Widget extends Component
 		$this->_id = $value;
 	}
 
+	private $_view;
+	
+	/**
+	 * Returns the view object that can be used to render views or view files.
+	 * The [[render()]] and [[renderFile()]] methods will use
+	 * this view object to implement the actual view rendering.
+	 * If not set, it will default to the "view" application component.
+	 * @return View the view object that can be used to render views or view files.
+	 */
+	public function getView()
+	{
+		if ($this->_view === null) {
+			$this->_view = Yii::$app->getView();
+		}
+		return $this->_view;
+	}
+
+	/**
+	 * Sets the view object to be used by this widget.
+	 * @param View $view the view object that can be used to render views or view files.
+	 */
+	public function setView($view)
+	{
+		$this->_view = $view;
+	}
+
 	/**
 	 * Executes the widget.
 	 */
@@ -159,7 +163,7 @@ class Widget extends Component
 	public function render($view, $params = array())
 	{
 		$viewFile = $this->findViewFile($view);
-		return $this->view->renderFile($viewFile, $params, $this);
+		return $this->getView()->renderFile($viewFile, $params, $this);
 	}
 
 	/**
@@ -171,7 +175,7 @@ class Widget extends Component
 	 */
 	public function renderFile($file, $params = array())
 	{
-		return $this->view->renderFile($file, $params, $this);
+		return $this->getView()->renderFile($file, $params, $this);
 	}
 
 	/**

yii/web/Pagination.php

@@ -47,7 +47,7 @@ use Yii;
  * }
  *
  * // display pagination
- * LinkPager::widget($this, array(
+ * LinkPager::widget(array(
  *     'pages' => $pages,
  * ));
  * ~~~

yii/widgets/Breadcrumbs.php

@@ -23,7 +23,7 @@ use yii\helpers\Html;
  *
  * ~~~
  * // $this is the view object currently being used
- * echo Breadcrumbs::widget($this, array(
+ * echo Breadcrumbs::widget(array(
  *     'links' => array(
  *         array('label' => 'Sample Post', 'url' => array('post/edit', 'id' => 1)),
  *         'Edit',
@@ -37,7 +37,7 @@ use yii\helpers\Html;
  *
  * ~~~
  * // $this is the view object currently being used
- * echo Breadcrumbs::widget($this, array(
+ * echo Breadcrumbs::widget(array(
  *     'links' => isset($this->params['breadcrumbs']) ? $this->params['breadcrumbs'] : array(),
  * ));
  * ~~~

yii/widgets/Menu.php

@@ -27,7 +27,7 @@ use yii\helpers\Html;
  * 
  * ~~~
  * // $this is the view object currently being used
- * echo Menu::widget($this, array(
+ * echo Menu::widget(array(
  *     'items' => array(
  *         // Important: you need to specify url as 'controller/action',
  *         // not just as 'controller' even if default action is used.