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<?php
/**
 * Took the components necessary to render views from CController, adding it to a console command
 */
class RenderReadyConsoleCommand extends CConsoleCommand
{
	protected $_widgetStack;
	public function run($args) { }
	public function renderPartial($view,$data=null,$return=true)
	{
		if(($viewFile=$this->getViewFile($view))!==false)
		{
			$output=$this->renderFile($viewFile,$data,true);
			if($return)
				return $output;
			else
				echo $output;
		}
		else
			throw new CException(Yii::t('yii','{controller} cannot find the requested view "{view}".',
				array('{controller}'=>get_class($this), '{view}'=>$view)));
	}	
	
	/**
	 * File Render Methods
	 */
	/**
	 * Renders a view file.
	 *
	 * @param string view file path
	 * @param array data to be extracted and made available to the view
	 * @param boolean whether the rendering result should be returned instead of being echoed
	 * @return string the rendering result. Null if the rendering result is not required.
	 * @throws CException if the view file does not exist
	 */
	public function renderFile($viewFile,$data=null,$return=false)
	{
		$widgetCount=count($this->_widgetStack);
		$content=$this->renderInternal($viewFile,$data,$return);
		if(count($this->_widgetStack)===$widgetCount)
			return $content;
		else
		{
			$widget=end($this->_widgetStack);
			throw new CException(Yii::t('yii','{controller} contains improperly nested widget tags in its view "{view}". A {widget} widget does not have an endWidget() call.',
				array('{controller}'=>get_class($this), '{view}'=>$viewFile, '{widget}'=>get_class($widget))));
		}
	}
	/**
	 * Renders a view file.
	 * This method includes the view file as a PHP script
	 * and captures the display result if required.
	 * @param string view file
	 * @param array data to be extracted and made available to the view file
	 * @param boolean whether the rendering result should be returned as a string
	 * @return string the rendering result. Null if the rendering result is not required.
	 */
	public function renderInternal($_viewFile_,$_data_=null,$_return_=false)
	{
		// we use special variable names here to avoid conflict when extracting data
		if(is_array($_data_))
			extract($_data_,EXTR_PREFIX_SAME,'data');
		else
			$data=$_data_;
		if($_return_)
		{
			ob_start();
			ob_implicit_flush(false);
			require($_viewFile_);
			return ob_get_clean();
		}
		else
			require($_viewFile_);
	}	

	
	/**
	 * File Retrieval Methods
	 */
	public function getViewFile($viewName)
	{
		return $this->resolveViewFile($viewName,$this->getViewPath());
	}	
	public function getViewPath()
	{
		return dirname(__FILE__).'/../views/email';
	}	
	public function resolveViewFile($viewName,$viewPath)
	{
		if(empty($viewName))
			return false;
		$extension='.php';
		$viewFile=$viewPath.DIRECTORY_SEPARATOR.$viewName;
		if(is_file($viewFile.$extension))
			return Yii::app()->findLocalizedFile($viewFile.$extension);
		else if($extension!=='.php' && is_file($viewFile.'.php'))
			return Yii::app()->findLocalizedFile($viewFile.'.php');
		else
			return false;
	}	
}