Add a cancel button to the Matrix Listing form.

docs/changelog/7.x.x.txt

@@ -6,6 +6,7 @@
  - fixed #9820: Survey: political party spelled wrong
  - fixed #9819: Survey: hoverhelp showing instead of field name
  - fixed #9822: Matrix: Wrong field label
+ - fixed #9823: Matrix: no cancel button in add/edit listing
 
 7.6.13
  - fixed AdSpace bug: impressions and clicks for most non-human web clients will not be counted.

lib/WebGUI/Asset/MatrixListing.pm

@@ -317,7 +317,15 @@ sub getEditForm {
         }
     }
 
-    $form->submit();
+    $form->raw(
+    '<tr><td COLSPAN=2>'.
+    WebGUI::Form::Button($session, {}).
+    WebGUI::Form::Button($session, {
+        -value  => $i18n->get('cancel', 'WebGUI'),
+        -extras => q|onclick="history.go(-1);" class="backwardButton"|
+    }).
+    '</td></tr>'
+    );
 
     return $form;
 }