Add objectGetChildren() method to classes without child objects

include/bugs.php

@@ -269,6 +269,11 @@ class Bug
         }
     }
 
+    function objectGetChildren()
+    {
+        return array();
+    }
+
     /* Get a list of bugs submitted by a given user */
     function listSubmittedBy($iUserId, $bQueued = true)
     {

include/comment.php

@@ -379,6 +379,11 @@ class Comment {
             echo "</ul>\n";
     }
 
+    function objectGetChildren()
+    {
+        return array();
+    }
+
     function display_comments_threaded($versionId, $threadId = 0)
     {
         $hResult = Comment::grab_comments($versionId, $threadId);

include/downloadurl.php

@@ -63,6 +63,12 @@ class downloadurl
         return $sReturn;
     }
 
+    function objectGetChildren()
+    {
+        /* We have none */
+        return array();
+    }
+
     /* Output an editor for Download URL fields */
     function outputEditor($oVersion = null, $sFormAction = null)
     {

include/maintainer.php

@@ -819,6 +819,12 @@ class maintainer
         return array($aItemsPerPage, $iDefaultPerPage);
     }
 
+    function objectGetChildren()
+    {
+        /* We have none */
+        return array();
+    }
+
     function update()
     {
         /* STUB: No updating possible at the moment */

include/monitor.php

@@ -61,6 +61,12 @@ class Monitor {
         }
     }
 
+    function objectGetChildren()
+    {
+        /* We have none */
+        return array();
+    }
+
     /*
      * Creates a new Monitor.
      * Informs interested people about the creation.

include/note.php

@@ -311,6 +311,11 @@ class Note {
         return $oManager->makeUrl("view", $this->objectGetId());
     }
 
+    function objectGetChildren()
+    {
+        return array();
+    }
+
     //TODO: not sure if we want to use sTitle here or what
     function objectMakeLink()
     {

include/screenshot.php

@@ -297,6 +297,12 @@ class screenshot
         return $this->oScreenshotImage->get_width();
     }
 
+    function objectGetChildren()
+    {
+        /* We have none */
+        return array();
+    }
+
     function get_screenshot_height()
     {
         $this->load_image(false);

include/testData.php

@@ -1079,6 +1079,12 @@ class testData{
         return TRUE;
     }
 
+    function objectGetChildren()
+    {
+        /* We have none */
+        return array();
+    }
+
     function objectDisplayAddItemHelp()
     {
         echo "<p>This is the screen for inputing test information so that others ";

include/url.php

@@ -499,6 +499,11 @@ class Url {
         return $sReturn;
     }
 
+    function objectGetChildren()
+    {
+        return array();
+    }
+
     // if a url lacks "://" assume the url is an http one
     // and prepend "http://"
     function normalize($sTheUrl)