MDL-40479 mod_assign: Fix the colour of grading success messages.

mod/assign/renderable.php

@@ -65,17 +65,21 @@ class assign_gradingmessage implements renderable {
     public $message = '';
     /** @var int $coursemoduleid */
     public $coursemoduleid = 0;
+    /** @var int $gradingerror should be set true if there was a problem grading */
+    public $gradingerror = null;
 
     /**
      * Constructor
      * @param string $heading This is the heading to display
      * @param string $message This is the message to display
+     * @param bool $gradingerror Set to true to display the message as an error.
      * @param int $coursemoduleid
      */
-    public function __construct($heading, $message, $coursemoduleid) {
+    public function __construct($heading, $message, $coursemoduleid, $gradingerror = false) {
         $this->heading = $heading;
         $this->message = $message;
         $this->coursemoduleid = $coursemoduleid;
+        $this->gradingerror = $gradingerror;
     }
 
 }

mod/assign/renderer.php

@@ -92,10 +92,11 @@ class mod_assign_renderer extends plugin_renderer_base {
     public function render_assign_gradingmessage(assign_gradingmessage $result) {
         $urlparams = array('id' => $result->coursemoduleid, 'action'=>'grading');
         $url = new moodle_url('/mod/assign/view.php', $urlparams);
+        $classes = $result->gradingerror ? 'notifyproblem' : 'notifysuccess';
 
         $o = '';
         $o .= $this->output->heading($result->heading, 4);
-        $o .= $this->output->notification($result->message);
+        $o .= $this->output->notification($result->message, $classes);
         $o .= $this->output->continue_button($url);
         return $o;
     }