From 75cd2060cb1c0de2f1be62205b7bb33d9cf9da3b Mon Sep 17 00:00:00 2001
From: Robert Sesek <rsesek@bluestatic.org>
Date: Mon, 14 Jan 2008 16:06:25 -0500
Subject: [PATCH] Minor adjustments to the BSPrinterNavigation system to
 support not having tabs or toplinks

* PrinterNavigation.php
---
 PrinterNavigation.php | 39 ++++++++++++++++++++++++---------------
 1 file changed, 24 insertions(+), 15 deletions(-)

diff --git a/PrinterNavigation.php b/PrinterNavigation.php
index 74d5713..ba70231 100644
--- 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>';
 		
 		// -------------------------------------------------------------------
 		
-- 
2.22.5