From 549ec814ab5417e9caa9523f250cd45c4db2bd78 Mon Sep 17 00:00:00 2001
From: Thomas Gelf <thomas@gelf.net>
Date: Tue, 3 Jan 2017 11:30:03 +0100
Subject: [PATCH] TileRenderer: show unbound nodes only at root level

---
 library/Businessprocess/Renderer/TileRenderer.php | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/library/Businessprocess/Renderer/TileRenderer.php b/library/Businessprocess/Renderer/TileRenderer.php
index c1c3725..c544d79 100644
--- a/library/Businessprocess/Renderer/TileRenderer.php
+++ b/library/Businessprocess/Renderer/TileRenderer.php
@@ -36,10 +36,12 @@ class TileRenderer extends Renderer
             $this->add(new NodeTile($this, $name, $node, $path));
         }
 
-        $unbound = $this->createUnboundParent($bp);
-        if ($unbound->hasChildren()) {
-            $name = $unbound->getAlias();
-            $this->add($this->add(new NodeTile($this, $name, $unbound)));
+        if ($this->wantsRootNodes()) {
+            $unbound = $this->createUnboundParent($bp);
+            if ($unbound->hasChildren()) {
+                $name = $unbound->getAlias();
+                $this->add(new NodeTile($this, $name, $unbound));
+            }
         }
 
         if (! $this->isLocked()) {