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82 lines
2.6 KiB
82 lines
2.6 KiB
12 years ago
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<?php
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/**
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* CContentDecorator class file.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @link http://www.yiiframework.com/
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* @copyright 2008-2013 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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/**
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* CContentDecorator decorates the content it encloses with the specified view.
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*
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* CContentDecorator is mostly used to implement nested layouts, i.e., a layout
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* is embedded within another layout. {@link CBaseController} defines a pair of
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* convenient methods to use CContentDecorator:
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* <pre>
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* $this->beginContent('path/to/view');
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* // ... content to be decorated
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* $this->endContent();
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* </pre>
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*
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* The property {@link view} specifies the name of the view that is used to
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* decorate the content. In the view, the content being decorated may be
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* accessed with variable <code>$content</code>.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @package system.web.widgets
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* @since 1.0
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*/
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class CContentDecorator extends COutputProcessor
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{
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/**
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* @var mixed the name of the view that will be used to decorate the captured content.
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* If this property is null (default value), the default layout will be used as
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* the decorative view. Note that if the current controller does not belong to
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* any module, the default layout refers to the application's {@link CWebApplication::layout default layout};
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* If the controller belongs to a module, the default layout refers to the module's
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* {@link CWebModule::layout default layout}.
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*/
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public $view;
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/**
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* @var array the variables (name=>value) to be extracted and made available in the decorative view.
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*/
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public $data=array();
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/**
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* Processes the captured output.
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* This method decorates the output with the specified {@link view}.
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* @param string $output the captured output to be processed
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*/
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public function processOutput($output)
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{
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$output=$this->decorate($output);
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parent::processOutput($output);
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}
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/**
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* Decorates the content by rendering a view and embedding the content in it.
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* The content being embedded can be accessed in the view using variable <code>$content</code>
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* The decorated content will be displayed directly.
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* @param string $content the content to be decorated
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* @return string the decorated content
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*/
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protected function decorate($content)
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{
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$owner=$this->getOwner();
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if($this->view===null)
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$viewFile=Yii::app()->getController()->getLayoutFile(null);
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else
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$viewFile=$owner->getViewFile($this->view);
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if($viewFile!==false)
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{
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$data=$this->data;
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$data['content']=$content;
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return $owner->renderFile($viewFile,$data,true);
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}
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else
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return $content;
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}
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}
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