updates

Author: tladendo

src/css/challenge-detail-software.css

@@ -734,11 +734,11 @@ h1.center {
 }
 
 .challenge-detail .unregister {
-    background: #e66 !important;
+    background: #cef8c6 !important;
 }
 
 .challenge-detail .unregister:hover {
-    background: #d66 !important;
+    background: #cef8c6 !important;
 }
 
 .challenge-detail .btnAction:hover {
@@ -759,11 +759,11 @@ h1.center {
 }
 
 .challenge-detail.develop .unregister {
-    background: #e66 !important;
+    background: #cef8c6 !important;
 }
 
 .challenge-detail.develop .unregister:hover {
-    background: #d66 !important;
+    background: #cef8c6 !important;
 }
 
 .challenge-detail .btnAction.disabled {

src/js/app/challenge-details/js/controllers/challenge-details-controller.js

@@ -331,11 +331,16 @@
     if (regList.indexOf(handle) == -1) {
       vm.isRegistered = false;
     }
+    
+    var hasSubmitted = false;
+    if (submissionMap.indexOf(handle) >= 0) {
+      hasSubmitted = true;
+    }
 
     // If the challenge is active and in the registration phase we allow either
     // registration, or unregistration.
     if (((moment(challenge.phases[0].scheduledStartTime)) < moment() && (moment(challenge.registrationEndDate)) > moment()) && challenge.currentStatus == 'Active') {
-      if (vm.isRegistered) {
+      if (vm.isRegistered && !hasSubmitted) {
         vm.challenge.allowToUnregister = true;
       } else {
         vm.challenge.registrationDisabled = false;