currency_type_renderer.inc

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<?php
/**************************************************************
 
 Copyright (c) 2007-2010 Sonjara, Inc
 
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 obtaining a copy of this software and associated documentation
 files (the "Software"), to deal in the Software without
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 Software is furnished to do so, subject to the following
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 included in all copies or substantial portions of the Software.
 
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 without prior written authorization.
 
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 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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*****************************************************************/
 
require_once realpath(dirname(__FILE__)."/abstract_type_renderer.inc");
 
class CurrencyTypeRenderer extends AbstractTypeRenderer
{
     
     function CurrencyTypeRenderer()
     {
     }
     
     /*
      * For currency formatting, the template should be 
      * a number, reprenting the decimal parameter to the
      * function number_format.
      * 
      * If no template, formats with 2 decimals.
      * 
      * A future enhancement would be to allow for
      * additional decimal format options such as
      * placement of ",". However, it can wait until needed.
      * 
      * http://php.net/manual/en/function.number-format.php
      * 
      * For example:
      * {amount:0} returns 89
      * {amount:1} returns 89.3
      * {amount:2} returns 89.32
      */
     static function format($value, $template = "")
     {
          $template = trim($template);
     
          if ($value == "" || !isset($value) || !is_numeric($value))
          {
               $value = "0";
          }                   
          
          if ($template == "numeric")
          {
               $text = number_format($value, 2, ".", "");
          }
          else if (startsWith($template, "numeric,"))
          {
               $places =  substr($template, 8);
               $text = number_format($value, 2, ".", "");
          }
          else if ($template != "" && is_numeric($template))
          {
               $text = number_format($value, $template);
          }
          else
          {
               $text = number_format($value, 2);
          }
          
          return $text; 
     }
}