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Current File : /home/antonen/chenglong.lt/libraries/foxcontact/swiftmailer/classes/Swift/Mime/MimePart.php

<?php defined('_JEXEC') or die;
/**
 * @package   Fox Contact for Joomla
 * @copyright Copyright (c) Fox Labs, all rights reserved.
 * @license   Distributed under the terms of the GNU General Public License GNU/GPL v3 http://www.gnu.org/licenses/gpl-3.0.html
 * @see       Documentation: http://www.fox.ra.it/forum/2-documentation.html
 */

class Swift_Mime_MimePart extends Swift_Mime_SimpleMimeEntity
{
	protected $_userFormat;
	protected $_userCharset;
	protected $_userDelSp;
	private $_nestingLevel = self::LEVEL_ALTERNATIVE;
	
	public function __construct(Swift_Mime_HeaderSet $headers, Swift_Mime_ContentEncoder $encoder, Swift_KeyCache $cache, Swift_Mime_Grammar $grammar, $charset = null)
	{
		parent::__construct($headers, $encoder, $cache, $grammar);
		$this->setContentType('text/plain');
		if (null !== $charset)
		{
			$this->setCharset($charset);
		}
	
	}
	
	
	public function setBody($body, $contentType = null, $charset = null)
	{
		if (isset($charset))
		{
			$this->setCharset($charset);
		}
		
		$body = $this->_convertString($body);
		parent::setBody($body, $contentType);
		return $this;
	}
	
	
	public function getCharset()
	{
		return $this->_getHeaderParameter('Content-Type', 'charset');
	}
	
	
	public function setCharset($charset)
	{
		$this->_setHeaderParameter('Content-Type', 'charset', $charset);
		if ($charset !== $this->_userCharset)
		{
			$this->_clearCache();
		}
		
		$this->_userCharset = $charset;
		parent::charsetChanged($charset);
		return $this;
	}
	
	
	public function getFormat()
	{
		return $this->_getHeaderParameter('Content-Type', 'format');
	}
	
	
	public function setFormat($format)
	{
		$this->_setHeaderParameter('Content-Type', 'format', $format);
		$this->_userFormat = $format;
		return $this;
	}
	
	
	public function getDelSp()
	{
		return 'yes' == $this->_getHeaderParameter('Content-Type', 'delsp') ? true : false;
	}
	
	
	public function setDelSp($delsp = true)
	{
		$this->_setHeaderParameter('Content-Type', 'delsp', $delsp ? 'yes' : null);
		$this->_userDelSp = $delsp;
		return $this;
	}
	
	
	public function getNestingLevel()
	{
		return $this->_nestingLevel;
	}
	
	
	public function charsetChanged($charset)
	{
		$this->setCharset($charset);
	}
	
	
	protected function _fixHeaders()
	{
		parent::_fixHeaders();
		if (count($this->getChildren()))
		{
			$this->_setHeaderParameter('Content-Type', 'charset', null);
			$this->_setHeaderParameter('Content-Type', 'format', null);
			$this->_setHeaderParameter('Content-Type', 'delsp', null);
		}
		else
		{
			$this->setCharset($this->_userCharset);
			$this->setFormat($this->_userFormat);
			$this->setDelSp($this->_userDelSp);
		}
	
	}
	
	
	protected function _setNestingLevel($level)
	{
		$this->_nestingLevel = $level;
	}
	
	
	protected function _convertString($string)
	{
		$charset = strtolower($this->getCharset());
		if (!in_array($charset, array('utf-8', 'iso-8859-1', 'iso-8859-15', '')))
		{
			if (function_exists('mb_convert_encoding'))
			{
				$string = mb_convert_encoding($string, $charset, 'utf-8');
			}
			elseif (function_exists('iconv'))
			{
				$string = iconv('utf-8//TRANSLIT//IGNORE', $charset, $string);
			}
			else
			{
				throw new Swift_SwiftException('No suitable convert encoding function (use UTF-8 as your charset or install the mbstring or iconv extension).');
			}
			
			return $string;
		}
		
		return $string;
	}

}