Minor adjustments to the BSPrinterNavigation system to support not having tabs or...

* PrinterNavigation.php

diff --git a/PrinterNavigation.php b/PrinterNavigation.php
index 74d571326c9717379bf54f941026a384d1939fa2..ba702311147c4c3337301c748c4ed3fe142f6274 100644 (file)
--- a/PrinterNavigation.php
+++ b/PrinterNavigation.php
@@ -101,16 +101,22 @@ class BSPrinterNavigation
                
                // -------------------------------------------------------------------
                
-               $output2 = array();
-               foreach ($this->structure->links->link as $link)
+               if (isset($this->structure->links))
                {
-                       $attrs = $link->attributes();
-                       $output2[] = '<a href="' . $attrs->target . '">' . $link . '</a>';
+                       $links = array();
+                       foreach ($this->structure->links->link as $link)
+                       {
+                               $attrs = $link->attributes();
+                               $links[] = '<a href="' . $attrs->target . '">' . $link . '</a>';
+                       }
                }
                
                $output .= "\n" . '<div id="toplinks">';
                $output .= "\n\t" . '<div>' . BSPrinter::get_realm() . '</div>';
-               $output .= "\n\t" . '<div id="toplinks-links">' . implode(' &bull; ', $output2) . '</div>';
+               if (isset($links))
+               {
+                       $output .= "\n\t" . '<div id="toplinks-links">' . implode(' &bull; ', $links) . '</div>';
+               }
                $output .= "\n" . '</div>';
                
                // -------------------------------------------------------------------
@@ -119,20 +125,23 @@ class BSPrinterNavigation
                
                // -------------------------------------------------------------------
                
-               $output .= "\n" . '<div id="tabbar">';
-               foreach ($this->structure->tabs->tab as $tab)
+               if (isset($this->structure->tabs))
                {
-                       $link = "\n\t" . '<a href="' . $tab['target'] . '"';
-                       if (in_array($tab['key'], $this->focusKeys))
+                       $output .= "\n" . '<div id="tabbar">';
+                       foreach ($this->structure->tabs->tab as $tab)
                        {
-                               $link .= ' id="focustab"';
+                               $link = "\n\t" . '<a href="' . $tab['target'] . '"';
+                               if (in_array($tab['key'], $this->focusKeys))
+                               {
+                                       $link .= ' id="focustab"';
+                               }
+
+                               $link .= '><span>' . $tab . '</span></a>';
+
+                               $output .= $link;
                        }
-                       
-                       $link .= '><span>' . $tab . '</span></a>';
-                       
-                       $output .= $link;
+                       $output .= "\n" . '</div>';
                }
-               $output .= "\n" . '</div>';
                
                // -------------------------------------------------------------------