Fix some bugs and glitches in (mediamanager) tree

  * Fix selector in subtree loading callback
  * Remove HTML inconsistencies between AJAX and plain PHP lists
  * Unify icon and CSS class switching in dw_tree and dw_mediamanager

1 files changed, 13 insertions, 3 deletions

diff --git a/inc/html.php b/inc/html.php
index 6e187ebe1..de860a0fe 100644
--- a/inc/html.php
+++ b/inc/html.php
@@ -737,7 +737,7 @@ function html_list_index($item){
 /**
  * Index List item
  *
- * This user function is used in html_build_lidt to build the
+ * This user function is used in html_buildlist to build the
  * <li> tags for namespaces when displaying the page index
  * it gives different classes to opened or closed "folders"
  *
@@ -778,10 +778,20 @@ function html_li_default($item){
  * @author Andreas Gohr <andi@splitbrain.org>
  */
 function html_buildlist($data,$class,$func,$lifunc='html_li_default'){
-    $level = 0;
+    if (count($data) === 0) {
+        return '';
+    }
+
+    $level = $data[0]['level'];
     $opens = 0;
     $ret   = '';
 
+    if ($level < 2) {
+        // Trigger building a wrapper ul if the first level is
+        // 0 (we have a root object) or 1 (just the root content)
+        --$level;
+    }
+
     foreach ($data as $item){
 
         if( $item['level'] > $level ){
@@ -797,7 +807,7 @@ function html_buildlist($data,$class,$func,$lifunc='html_li_default'){
                 //close higher lists
                 $ret .= "</ul>\n</li>\n";
             }
-        }else{
+        } elseif ($ret !== '') {
             //close last item
             $ret .= "</li>\n";
         }