From 6f6d2a434c5ccc872f6b1856f4c517ce464bdfb3 Mon Sep 17 00:00:00 2001
From: Tim Schumacher <tim@bandenkrieg.hacked.jp>
Date: Thu, 28 Nov 2013 14:36:02 +0100
Subject: [PATCH] Add limiter to the max depth, add a config option later.

---
 syntax.php | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/syntax.php b/syntax.php
index 362a4b1..f1622b8 100644
--- a/syntax.php
+++ b/syntax.php
@@ -20,6 +20,10 @@ require_once dirname (__FILE__) . DIRECTORY_SEPARATOR . 'objectrepresentation' .
  */
 class syntax_plugin_navigation extends DokuWiki_Syntax_Plugin {
 
+  // TODO add a config option for this
+  private $maxDepth = 2;
+  private $depth = 0;
+
   function getInfo () {
     return array ('author' => 'Tim Schumacher',
       'email' => 'tim@bandenkrieg.hacked.jp',
@@ -90,13 +94,16 @@ class syntax_plugin_navigation extends DokuWiki_Syntax_Plugin {
   }
 
   private function RenderNodes(DokuWikiNameSpace $node) {
+    $this->depth++;
     $output = '';
     foreach ($node->getNodes() as $node) {
       /** @var DokuWikiNode $node */
       if ($node instanceof DokuWikiPage) {
         $output .= '<li><a href="' . wl($node->getFullID()) . '">' . $node->getName() . '</a></li>';
       } else {
-        $output .= '<li>' . $node->getName() . '<ul>' . $this->RenderNodes($node) . '</ul></li>';
+        if ($this->depth <= $this->maxDepth) {
+          $output .= '<li>' . $node->getName() . '<ul>' . $this->RenderNodes($node) . '</ul></li>';
+        }
       }
     }
     return $output;