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Revision Autor Zeilennr. Zeile
1 lars 1 
<?php
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/*
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 * This file is part of SwiftMailer.
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 * (c) 2004-2009 Chris Corbyn
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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//@require 'Swift/Mime/SimpleMimeEntity.php';
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//@require 'Swift/Mime/ContentEncoder.php';
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//@require 'Swift/Mime/HeaderSet.php';
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//@require 'Swift/KeyCache.php';
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/**
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 * A MIME part, in a multipart message.
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 *
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 * @package Swift
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 * @subpackage Mime
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 * @author Chris Corbyn
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 */
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class Swift_Mime_MimePart extends Swift_Mime_SimpleMimeEntity
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{
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  /** The format parameter last specified by the user */
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  protected $_userFormat;
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  /** The charset last specified by the user */
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  protected $_userCharset;
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  /** The delsp parameter last specified by the user */
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  protected $_userDelSp;
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  /** The nesting level of this MimePart */
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  private $_nestingLevel = self::LEVEL_ALTERNATIVE;
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  /**
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   * Create a new MimePart with $headers, $encoder and $cache.
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   *
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   * @param Swift_Mime_HeaderSet $headers
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   * @param Swift_Mime_ContentEncoder $encoder
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   * @param Swift_KeyCache $cache
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   * @param string $charset
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   */
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  public function __construct(Swift_Mime_HeaderSet $headers,
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    Swift_Mime_ContentEncoder $encoder, Swift_KeyCache $cache, $charset = null)
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  {
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    parent::__construct($headers, $encoder, $cache);
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    $this->setContentType('text/plain');
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    if (!is_null($charset))
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    {
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      $this->setCharset($charset);
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    }
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  }
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  /**
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   * Set the body of this entity, either as a string, or as an instance of
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   * {@link Swift_OutputByteStream}.
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   *
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   * @param mixed $body
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   * @param string $contentType optional
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   * @param string $charset optional
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   */
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  public function setBody($body, $contentType = null, $charset = null)
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  {
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    parent::setBody($body, $contentType);
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    if (isset($charset))
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    {
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      $this->setCharset($charset);
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    }
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    return $this;
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  }
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  /**
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   * Get the character set of this entity.
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   *
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   * @return string
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   */
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  public function getCharset()
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  {
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    return $this->_getHeaderParameter('Content-Type', 'charset');
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  }
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  /**
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   * Set the character set of this entity.
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   *
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   * @param string $charset
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   */
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  public function setCharset($charset)
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  {
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    $this->_setHeaderParameter('Content-Type', 'charset', $charset);
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    if ($charset !== $this->_userCharset)
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    {
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      $this->_clearCache();
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    }
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    $this->_userCharset = $charset;
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    parent::charsetChanged($charset);
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    return $this;
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  }
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  /**
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   * Get the format of this entity (i.e. flowed or fixed).
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   *
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   * @return string
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   */
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  public function getFormat()
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  {
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    return $this->_getHeaderParameter('Content-Type', 'format');
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  }
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  /**
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   * Set the format of this entity (flowed or fixed).
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   *
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   * @param string $format
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   */
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  public function setFormat($format)
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  {
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    $this->_setHeaderParameter('Content-Type', 'format', $format);
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    $this->_userFormat = $format;
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    return $this;
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  }
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  /**
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   * Test if delsp is being used for this entity.
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   *
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   * @return boolean
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   */
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  public function getDelSp()
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  {
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    return ($this->_getHeaderParameter('Content-Type', 'delsp') == 'yes')
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      ? true
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      : false;
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  }
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  /**
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   * Turn delsp on or off for this entity.
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   *
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   * @param boolean $delsp
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   */
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  public function setDelSp($delsp = true)
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  {
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    $this->_setHeaderParameter('Content-Type', 'delsp', $delsp ? 'yes' : null);
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    $this->_userDelSp = $delsp;
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    return $this;
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  }
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  /**
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   * Get the nesting level of this entity.
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   *
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   * @return int
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   * @see LEVEL_TOP, LEVEL_ALTERNATIVE, LEVEL_MIXED, LEVEL_RELATED
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   */
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  public function getNestingLevel()
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  {
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    return $this->_nestingLevel;
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  }
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  /**
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   * Receive notification that the charset has changed on this document, or a
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   * parent document.
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   *
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   * @param string $charset
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   */
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  public function charsetChanged($charset)
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  {
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    $this->setCharset($charset);
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  }
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  // -- Protected methods
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  /** Fix the content-type and encoding of this entity */
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  protected function _fixHeaders()
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  {
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    parent::_fixHeaders();
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    if (count($this->getChildren()))
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    {
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      $this->_setHeaderParameter('Content-Type', 'charset', null);
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      $this->_setHeaderParameter('Content-Type', 'format', null);
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      $this->_setHeaderParameter('Content-Type', 'delsp', null);
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    }
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    else
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    {
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      $this->setCharset($this->_userCharset);
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      $this->setFormat($this->_userFormat);
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      $this->setDelSp($this->_userDelSp);
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    }
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  }
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  /** Set the nesting level of this entity */
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  protected function _setNestingLevel($level)
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  {
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    $this->_nestingLevel = $level;
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  }
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}