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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
*/
namespace yii\widgets;
use yii\base\InvalidConfigException;
use yii\base\Widget;
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/**
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
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*/
class ContentDecorator extends Widget
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{
/**
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* @var string the view file that will be used to decorate the content enclosed by this widget.
* This can be specified as either the view file path or path alias.
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*/
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public $viewFile;
/**
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* @var array the parameters (name => value) to be extracted and made available in the decorative view.
*/
public $params = array();
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/**
* Starts recording a clip.
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*/
public function init()
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{
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if ($this->viewFile === null) {
throw new InvalidConfigException('ContentDecorator::viewFile must be set.');
}
ob_start();
ob_implicit_flush(false);
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}
/**
* Ends recording a clip.
* This method stops output buffering and saves the rendering result as a named clip in the controller.
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*/
public function run()
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{
$params = $this->params;
$params['content'] = ob_get_clean();
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// render under the existing context
echo $this->view->renderFile($this->viewFile, $params);
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}
}