[Sommaire] [Imprimer]

   1  <?php
   2  /**

   3   * breadcrumb Class.

   4   *

   5   * @package classes

   6   * @copyright Copyright 2003-2006 Zen Cart Development Team

   7   * @copyright Portions Copyright 2003 osCommerce

   8   * @license http://www.zen-cart.com/license/2_0.txt GNU Public License V2.0

   9   * @version $Id: breadcrumb.php 3147 2006-03-10 00:43:57Z drbyte $

  10   */
  11  if (!defined('IS_ADMIN_FLAG')) {
  12    die('Illegal Access');
  13  }
  14  
  15  /**

  16   * The following switch simply checks to see if the setting is already defined, and if not, sets it to true

  17   * If you desire to have the older behaviour of having all product and category items in the breadcrumb be shown as links

  18   * then you should add a define() for this item in the extra_datafiles folder and set it to 'false' instead of 'true':

  19   */
  20  if (!defined('DISABLE_BREADCRUMB_LINKS_ON_LAST_ITEM')) define('DISABLE_BREADCRUMB_LINKS_ON_LAST_ITEM','true');
  21  
  22  /**

  23   * breadcrumb Class.

  24   * Class to handle page breadcrumbs

  25   *

  26   * @package classes

  27   */
  28  class breadcrumb extends base {
  29    var $_trail;
  30  
  31    function breadcrumb() {
  32      $this->reset();
  33    }
  34  
  35    function reset() {
  36      $this->_trail = array();
  37    }
  38  
  39    function add($title, $link = '') {
  40      $this->_trail[] = array('title' => $title, 'link' => $link);
  41    }
  42  
  43    function trail($separator = '&nbsp;&nbsp;') {
  44      $trail_string = '';
  45  
  46      for ($i=0, $n=sizeof($this->_trail); $i<$n; $i++) {
  47  //    echo 'breadcrumb ' . $i . ' of ' . $n . ': ' . $this->_trail[$i]['title'] . '<br />';

  48        $skip_link = false;
  49            if ($i==($n-1) && DISABLE_BREADCRUMB_LINKS_ON_LAST_ITEM =='true') {
  50          $skip_link = true;
  51        }
  52        if (isset($this->_trail[$i]['link']) && zen_not_null($this->_trail[$i]['link']) && !$skip_link ) {
  53          // this line simply sets the "Home" link to be the domain/url, not main_page=index?blahblah:

  54          if ($this->_trail[$i]['title'] == HEADER_TITLE_CATALOG) {
  55            $trail_string .= '  <a href="' . HTTP_SERVER . DIR_WS_CATALOG . '">' . $this->_trail[$i]['title'] . '</a>';
  56          } else {
  57            $trail_string .= '  <a href="' . $this->_trail[$i]['link'] . '">' . $this->_trail[$i]['title'] . '</a>';
  58          }
  59        } else {
  60          $trail_string .= $this->_trail[$i]['title'];
  61        }
  62  
  63        if (($i+1) < $n) $trail_string .= $separator;
  64        $trail_string .= "\n";
  65      }
  66  
  67      return $trail_string;
  68    }
  69  
  70    function last() {
  71      $trail_size = sizeof($this->_trail);
  72      return $this->_trail[$trail_size-1]['title'];
  73    }
  74  }
  75  ?>