Fix MKWS-362

[mkws-moved-to-github.git] / src / mkws-widget.js

diff --git a/src/mkws-widget.js b/src/mkws-widget.js
index d254019..0ea1e0f 100644 (file)
--- a/src/mkws-widget.js
+++ b/src/mkws-widget.js
@@ -71,9 +71,13 @@ mkws.makeWidget = function($, team, type, node) {
   function expandValue(val) {
     if (val.match(/^!param!/)) {
       var param = val.replace(/^!param!/, '');
+      var optional = param.match(/^\?/);
+      if (optional) {
+        param = param.replace(/^\?/, ''); 
+      }
       val = mkws.getParameterByName(param);
       that.info("obtained val '" + val + "' from param '" + param + "'");
-      if (!val) {
+      if (!val && !optional) {
         alert("This page has a MasterKey widget that needs a val specified by the '" + param + "' parameter");
       }
     } else if (val.match(/^!path!/)) {