diff --git a/action.php b/action.php
--- a/action.php
+++ b/action.php
@@ -1,108 +1,138 @@
 <?php
 /**
  * DokuWiki Plugin metaeditor (Action Component)
  *
  * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
  * @author  Andreas Böhler <dev@aboehler.at>
  */
 
 
 // must be run within Dokuwiki
 if(!defined('DOKU_INC')) die();
 
 class action_plugin_metaeditor extends DokuWiki_Action_Plugin { 
   
   // Load the helper plugin
   public function action_plugin_metaeditor() {
         
   }
    
   // Register our hooks 
   function register(&$controller) {
     $controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, 'handle_ajax_call_unknown');    
   }
   
   function handle_ajax_call_unknown($event, $param) {
     if($event->data != 'plugin_metaeditor') return;
     
     $event->preventDefault();
     $event->stopPropagation();
     global $INPUT;
     //global $auth; // FIXME: Add auth check for admin user here
     
     $action = trim($INPUT->post->str('q'));
     $pageid = trim($INPUT->post->str('r'));
     $key = $INPUT->post->arr('k');
     $data = array();
     $json = false;
     
     switch($action)
     {
       case 'getMeta':
         $data = $this->getMetaForPage($pageid);
         $json = true;
         break;
       case 'getMetaValue':
         $data = $this->getMetaValueForPage($pageid, $key);
         break;
+      case 'setMetaValue':
+        $oldval = $key['oldval'];
+        $newval = $key['newval'];
+        $key = $key['key'];
+        $data = $this->setMetaValueForPage($pageid, $key, $oldval, $newval);
+        breka;
     
     }
     
     //$data = $_SERVER['REMOTE_USER'];
     
     
     if($json)
     {
       //json library of DokuWiki
       require_once DOKU_INC . 'inc/JSON.php';
       $json = new JSON();
  
       //set content type
       header('Content-Type: application/json');
       echo $json->encode($data);
     }
     else
     {
       echo $data;
     }
   }
   
+  function setMetaValueForPage($pageid, $key, $oldval, $newval)
+  {
+    $cache = false;
+    $meta = p_read_metadata($pageid, $cache);
+    $m = &$meta;
+    foreach($key as $k)
+      $m = &$m[$k];
+    if($m == $oldval)
+    {
+      $m = $newval;
+      if(p_save_metadata($pageid, $meta))
+        return "Successfully saved: $newval";
+      else
+        return "Error saving value: $newval";
+    }
+    else
+    {
+      return "Key has changed in the meantime, expected $oldval but got $m. Nothing was saved!";
+    }
+  
+  }
+  
   function parseMetaTree($meta)
   {
     $out = array();
     foreach($meta as $k => $v)
     {
       $a = array();
       $a['text'] = $k;
       if(is_array($v))
       {
         $a['children'] = $this->parseMetaTree($v);
       }
+      else
+      $a['icon'] = DOKU_URL."/lib/images/page.png";
       $out[] = $a;
     }
     return $out;
   }
   
   function getMetaForPage($pageid)
   {
     $cache = false;
     $meta = p_read_metadata($pageid, $cache);
     $out = $this->parseMetaTree($meta);
     return $out;
   }
   
   function getMetaValueForPage($pageid, $key)
   {
     $cache = false;
     $meta = p_read_metadata($pageid, $cache);
     foreach($key as $k)
     {
       $meta = $meta[$k];
     }
     return $meta;
   }
   
   
   
   
 }
diff --git a/admin/editor.php b/admin/editor.php
--- a/admin/editor.php
+++ b/admin/editor.php
@@ -1,98 +1,82 @@
 <?php
 /**
  * DokuWiki Plugin metaeditor (Admin Component)
  *
  * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
  * @author  Andreas Gohr <gohr@cosmocode.de>
  */
 
 // must be run within Dokuwiki
 if (!defined('DOKU_INC')) die();
 require_once(DOKU_PLUGIN.'admin.php');
 
 class admin_plugin_metaeditor_editor extends DokuWiki_Admin_Plugin {
 
     /**
      * Constructor. Load helper plugin
      */
     function admin_plugin_metaeditor_editor(){
         
     }
 
     function getMenuSort() { return 501; }
     function forAdminOnly() { return true; }
 
     function getMenuText($language) {
         return "Simple Persistent Meta Data Editor";
     }
 
     function handle() {
         if(!is_array($_REQUEST['d']) || !checkSecurityToken()) return;
-
-        //p_save_metadata($id, $meta);
         
     }
     
-    /*
-    function recurseTree($var){
-      //$out = '<li>';
-      foreach($var as $k => $v){
-        if($k == 'id')
-          $out .= '<li>'.$v;
-        if(is_array($v)){
-          $out .= '<ul>'.$this->recurseTree($v).'</ul>';
-        }
-        $out .= '</li>';
-      }  
-      return $out; //.'</li>';
-    }
-    */
-    
     function recurseTree($ns) {
         global $conf;
         $out = '';
         $list = array();
         $opts = array(
             'depth' => 1,
             'listfiles' => true,
             'listdirs'  => true,
             'pagesonly' => true,
             'firsthead' => true,
             'sneakyacl' => $conf['sneaky_index'],
         );
         search($list,$conf['datadir'],'search_universal',$opts,$ns);
         foreach($list as $item)
         {
           if($item['type'] == 'f' || $item['type'] == 'd')
           {
-            $out .= '<li>'.$item['id'];
             if($item['type'] == 'd')
+            {
+              $out .= '<li>'.$item['id'];
               $out .= '<ul>'.$this->recurseTree(str_replace(':', '/', $item['id'])).'</ul>';
+            }
+            else
+            {
+              $out .= '<li data-jstree=\'{"icon":"'.DOKU_URL.'/lib/images/page.png"}\'>'.$item['id'];
+            }
             $out .= '</li>';
           }
         }
         return $out;
     }
 
     function html() {
 
-        //$cache = false;
-        //$id = 'start';
-        //$meta = p_read_metadata($id, $cache);
-
-        print_r($list);
         echo '<table>';
         echo '<tr>';
         echo '<td><div id="fileTree">';
         echo '<ul>'.$this->recurseTree('/').'</ul>';
         echo '</div></td>';
         echo '<td><div id="metaTree"></div></td>';
-        echo '<td><div id="event_result"></div></td>';
-        //echo '<ul>'.$this->recurseTree($meta).'</ul>';
-        //echo '</div>';
-        //print_r($meta);
+        echo '<td><div id="event_path"></div><br><div id="event_result">';
+        echo '<input type="text" id="event_value" value="..."><br>';
+        echo '<input type="submit" id="event_save" value="Save">';
+        echo '</div></td>';
     }
 
 }
 
 // vim:ts=4:sw=4:et:enc=utf-8:
diff --git a/script.js b/script.js
--- a/script.js
+++ b/script.js
@@ -1,73 +1,99 @@
 /* DOKUWIKI:include_once jstree.js */
 
 jQuery(function()
 {   
 
     var selectedPageId = null;
     var selectedNode = null;
+    var selectedNodeValue = null;
+    
+    jQuery('#event_save').click(function() {
+      var newVal = jQuery('#event_value').val()
+      jQuery.post(
+        DOKU_BASE + 'lib/exe/ajax.php',
+        {
+          call: 'plugin_metaeditor',
+          q: 'setMetaValue',
+          r: selectedPageId,
+          k: {
+            key : selectedNode,
+            oldval : selectedNodeValue,
+            newval : newVal
+          }        
+        },
+        function(data) {
+          alert(data);
+        }
+      );
+    
+    });
     
     jQuery('#metaTree').on('changed.jstree', function (e, data) {
       var i, j, r;
       if(data.selected.length != 1)
         return;
       var node = data.instance.get_node(data.selected[0]);
       if(!data.instance.is_leaf(node))
         return;
       r = data.instance.get_path(data.selected[0]);
       selectedNode = r;
       jQuery.post(
         DOKU_BASE + 'lib/exe/ajax.php',
         {
           call: 'plugin_metaeditor', 
           q: 'getMetaValue',
           r: selectedPageId,
           k: r
         },
         function(data) {
-          jQuery('#event_result').html(data);
+          jQuery('#event_path').html(selectedNode.join(':'));
+          jQuery('#event_value').val(data);
+          selectedNodeValue = data;
         }
       );
 
     })
     // create the instance
     .jstree({
       core : {
         multiple: false
-      }
+      },
+      plugins: ["wholerow"]
     });
 
 
     jQuery('#fileTree').on('changed.jstree', function (e, data) {
       var i, j, r;
       if(data.selected.length != 1)
         return;
       var node = data.instance.get_node(data.selected[0]);
       if(!data.instance.is_leaf(node))
         return;
       r = node.text;
       selectedPageId = r;      
       jQuery.post(
         DOKU_BASE + 'lib/exe/ajax.php',
         {
           call: 'plugin_metaeditor', 
           q: 'getMeta',
           r: r
         },
         function(data) {
           jQuery('#metaTree').jstree(true).settings.core.data = data;
           jQuery('#metaTree').jstree(true).refresh();
         }
       );
       
     })
     // create the instance
     .jstree({
       core : {
         multiple: false
-      }
+      },
+      plugins: ["wholerow"]
     
     });
     
     
 });