<?php
namespace Bitweaver\Plugins;

/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */

/**
 * Smarty plugin
 * -------------------------------------------------------------
 * Type:     modifier
 * Name:     adjust
 * Purpose:  Adjust a string to a certain length if necessary,
 *           optionally splitting in the middle of a word, and 
 *           appending the $etc string or padding the string
 *			 using $pad as filler.
 * -------------------------------------------------------------
 */
function smarty_modifier_adjust($string, $length = 80,
								  $pad = '&nbsp;',
								  $etc = '...',
								  $break_words = false, )
{
	if ($length == 0)
		return '';

	if (strlen($string) > $length) {
		$length -= strlen($etc);
		$fragment = substr($string, 0, $length+1);
		if ($break_words)
			$fragment = substr($fragment, 0, -1);
		else
			$fragment = preg_replace('/\s+(\S+)?$/', '', $fragment);
		return $fragment.$etc;
	} elseif(strlen($string)<$length) {
		return $string.str_repeat($pad,$length-strlen($string));
	}
		return $string;

}
