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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category  Zend
  * @package   Zend_Text_Table
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license   http://framework.zend.com/license/new-bsd     New BSD License
  * @version   $Id$
  */
 
 /**
  * @see Zend_Text_Table
  */
 // require_once 'Zend/Text/Table.php';
 
 /**
  * @see Zend_Text_MultiByte
  */
 // require_once 'Zend/Text/MultiByte.php';
 
 /**
  * Column class for Zend_Text_Table_Row
  *
  * @category  Zend
  * @package   Zend_Text_Table
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license   http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Text_Table_Column
 {
     /**
      * Aligns for columns
      */
     const ALIGN_LEFT   = 'left';
     const ALIGN_CENTER = 'center';
     const ALIGN_RIGHT  = 'right';
 
     /**
      * Content of the column
      *
      * @var string
      */
     protected $_content = '';
 
     /**
      * Align of the column
      *
      * @var string
      */
     protected $_align = self::ALIGN_LEFT;
 
     /**
      * Colspan of the column
      *
      * @var integer
      */
     protected $_colSpan = 1;
 
     /**
      * Allowed align parameters
      *
      * @var array
      */
     protected $_allowedAligns = array(self::ALIGN_LEFT, self::ALIGN_CENTER, self::ALIGN_RIGHT);
 
     /**
      * Create a column for a Zend_Text_Table_Row object.
      *
      * @param string  $content  The content of the column
      * @param string  $align    The align of the content
      * @param integer $colSpan  The colspan of the column
      * @param string  $charset  The encoding of the content
      */
     public function __construct($content = null, $align = null, $colSpan = null, $charset = null)
     {
         if ($content !== null) {
             $this->setContent($content, $charset);
         }
 
         if ($align !== null) {
             $this->setAlign($align);
         }
 
         if ($colSpan !== null) {
             $this->setColSpan($colSpan);
         }
     }
 
     /**
      * Set the content.
      *
      * If $charset is not defined, it is assumed that $content is encoded in
      * the charset defined via Zend_Text_Table::setInputCharset() (defaults
      * to utf-8).
      *
      * @param  string $content  Content of the column
      * @param  string $charset  The charset of the content
      * @throws Zend_Text_Table_Exception When $content is not a string
      * @return Zend_Text_Table_Column
      */
     public function setContent($content, $charset = null)
     {
         if (is_string($content) === false) {
             // require_once 'Zend/Text/Table/Exception.php';
             throw new Zend_Text_Table_Exception('$content must be a string');
         }
 
         if ($charset === null) {
             $inputCharset = Zend_Text_Table::getInputCharset();
         } else {
             $inputCharset = strtolower($charset);
         }
 
         $outputCharset = Zend_Text_Table::getOutputCharset();
 
         if ($inputCharset !== $outputCharset) {
             if (PHP_OS !== 'AIX') {
                 // AIX does not understand these character sets
                 $content = iconv($inputCharset, $outputCharset, $content);
             }
 
         }
 
         $this->_content = $content;
 
         return $this;
     }
 
     /**
      * Set the align
      *
      * @param  string $align Align of the column
      * @throws Zend_Text_Table_Exception When supplied align is invalid
      * @return Zend_Text_Table_Column
      */
     public function setAlign($align)
     {
         if (in_array($align, $this->_allowedAligns) === false) {
             // require_once 'Zend/Text/Table/Exception.php';
             throw new Zend_Text_Table_Exception('Invalid align supplied');
         }
 
         $this->_align = $align;
 
         return $this;
     }
 
     /**
      * Set the colspan
      *
      * @param  int $colSpan
      * @throws Zend_Text_Table_Exception When $colSpan is smaller than 1
      * @return Zend_Text_Table_Column
      */
     public function setColSpan($colSpan)
     {
         if (is_int($colSpan) === false or $colSpan < 1) {
             // require_once 'Zend/Text/Table/Exception.php';
             throw new Zend_Text_Table_Exception('$colSpan must be an integer and greater than 0');
         }
 
         $this->_colSpan = $colSpan;
 
         return $this;
     }
 
     /**
      * Get the colspan
      *
      * @return integer
      */
     public function getColSpan()
     {
         return $this->_colSpan;
     }
 
     /**
      * Render the column width the given column width
      *
      * @param  integer $columnWidth The width of the column
      * @param  integer $padding     The padding for the column
      * @throws Zend_Text_Table_Exception When $columnWidth is lower than 1
      * @throws Zend_Text_Table_Exception When padding is greater than columnWidth
      * @return string
      */
     public function render($columnWidth, $padding = 0)
     {
         if (is_int($columnWidth) === false or $columnWidth < 1) {
             // require_once 'Zend/Text/Table/Exception.php';
             throw new Zend_Text_Table_Exception('$columnWidth must be an integer and greater than 0');
         }
 
         $columnWidth -= ($padding * 2);
 
         if ($columnWidth < 1) {
             // require_once 'Zend/Text/Table/Exception.php';
             throw new Zend_Text_Table_Exception('Padding (' . $padding . ') is greater than column width');
         }
 
         switch ($this->_align) {
             case self::ALIGN_LEFT:
                 $padMode = STR_PAD_RIGHT;
                 break;
 
             case self::ALIGN_CENTER:
                 $padMode = STR_PAD_BOTH;
                 break;
 
             case self::ALIGN_RIGHT:
                 $padMode = STR_PAD_LEFT;
                 break;
 
             default:
                 // This can never happen, but the CS tells I have to have it ...
                 break;
         }
 
         $outputCharset = Zend_Text_Table::getOutputCharset();
         $lines         = explode("\n", Zend_Text_MultiByte::wordWrap($this->_content, $columnWidth, "\n", true, $outputCharset));
         $paddedLines   = array();
 
         foreach ($lines AS $line) {
             $paddedLines[] = str_repeat(' ', $padding)
                            . Zend_Text_MultiByte::strPad($line, $columnWidth, ' ', $padMode, $outputCharset)
                            . str_repeat(' ', $padding);
         }
 
         $result = implode("\n", $paddedLines);
 
         return $result;
     }
 }