Initial commit

archive/version_01/includes/classes/breadcrumb.php

@@ -0,0 +1,75 @@
+<?php
+/**
+ * breadcrumb Class.
+ *
+ * @package classes
+ * @copyright Copyright 2003-2006 Zen Cart Development Team
+ * @copyright Portions Copyright 2003 osCommerce
+ * @license http://www.zen-cart.com/license/2_0.txt GNU Public License V2.0
+ * @version $Id: breadcrumb.php 3147 2006-03-10 00:43:57Z drbyte $
+ */
+if (!defined('IS_ADMIN_FLAG')) {
+  die('Illegal Access');
+}
+
+/**
+ * The following switch simply checks to see if the setting is already defined, and if not, sets it to true
+ * If you desire to have the older behaviour of having all product and category items in the breadcrumb be shown as links
+ * then you should add a define() for this item in the extra_datafiles folder and set it to 'false' instead of 'true':
+ */
+if (!defined('DISABLE_BREADCRUMB_LINKS_ON_LAST_ITEM')) define('DISABLE_BREADCRUMB_LINKS_ON_LAST_ITEM','true');
+
+/**
+ * breadcrumb Class.
+ * Class to handle page breadcrumbs
+ *
+ * @package classes
+ */
+class breadcrumb extends base {
+  var $_trail;
+
+  function breadcrumb() {
+    $this->reset();
+  }
+
+  function reset() {
+    $this->_trail = array();
+  }
+
+  function add($title, $link = '') {
+    $this->_trail[] = array('title' => $title, 'link' => $link);
+  }
+
+  function trail($separator = '&nbsp;&nbsp;') {
+    $trail_string = '';
+
+    for ($i=0, $n=sizeof($this->_trail); $i<$n; $i++) {
+//    echo 'breadcrumb ' . $i . ' of ' . $n . ': ' . $this->_trail[$i]['title'] . '<br />';
+      $skip_link = false;
+		  if ($i==($n-1) && DISABLE_BREADCRUMB_LINKS_ON_LAST_ITEM =='true') {
+        $skip_link = true;
+      }
+      if (isset($this->_trail[$i]['link']) && zen_not_null($this->_trail[$i]['link']) && !$skip_link ) {
+        // this line simply sets the "Home" link to be the domain/url, not main_page=index?blahblah:
+        if ($this->_trail[$i]['title'] == HEADER_TITLE_CATALOG) {
+          $trail_string .= '  <a href="' . HTTP_SERVER . DIR_WS_CATALOG . '">' . $this->_trail[$i]['title'] . '</a>';
+        } else {
+          $trail_string .= '  <a href="' . $this->_trail[$i]['link'] . '">' . $this->_trail[$i]['title'] . '</a>';
+        }
+      } else {
+        $trail_string .= $this->_trail[$i]['title'];
+      }
+
+      if (($i+1) < $n) $trail_string .= $separator;
+      $trail_string .= "\n";
+    }
+
+    return $trail_string;
+  }
+
+  function last() {
+    $trail_size = sizeof($this->_trail);
+    return $this->_trail[$trail_size-1]['title'];
+  }
+}
+?>