#19771: Displaying a warning when no start activity is chosen

Also a message if any change needs to be saved

src/Orchard.Web/Modules/Orchard.Workflows/Scripts/orchard-workflows-serialize.js

@@ -50,6 +50,8 @@ var updateActivities = function(localId) {
                 activity.State = JSON.parse(updatedActivityState);
             }
         }
+
+        displaySaveMessage();
     }
     
     sessionStorage.setItem(localId, JSON.stringify(workflow));
@@ -81,6 +83,7 @@ var loadActivities = function (localId) {
         });
     }
 
+    refreshStateMessage();
     return workflow;
 };
 

src/Orchard.Web/Modules/Orchard.Workflows/Scripts/orchard-workflows.js

@@ -77,6 +77,8 @@
         if (activityName && activityName.length) {
             createActivity(activityName, event.pageY, event.pageX);
         }
+
+        displaySaveMessage();
     }
     });
 
@@ -209,6 +211,11 @@
             var checked = $(this).is(':checked');
             target.viewModel.start = checked;
             $(target).toggleClass('start', checked);
+            
+            // display a warning if there are no activities with a start state
+            refreshStateMessage();
+
+            displaySaveMessage();
         });
 
         // prevent the editor from getting clicked when the label is clicked
@@ -217,6 +224,17 @@
         });
     };
 
+    function refreshStateMessage() {
+        if ($("#activity-editor div").hasClass('start')) {
+            $("#start-message").hide();
+        } else {
+            $("#start-message").show();
+        }
+    }
+    
+    function displaySaveMessage() {
+        $("#save-message").show();
+    }
 
     var refreshToolbar = function(target) {
         target = $(target);
@@ -243,6 +261,8 @@
             
             jsPlumb.removeAllEndpoints(target.attr('id'));
             target.remove();
+
+            displaySaveMessage();
         });
 
     };

src/Orchard.Web/Modules/Orchard.Workflows/Views/Admin/Edit.cshtml

@@ -96,3 +96,8 @@
         @Html.ActionLink(T("Close").Text, "Index", "Admin", new { area = "Orchard.Workflows" }, new { @class = "primaryAction button" })
     </fieldset>
 }
+
+@using (Capture(Layout.Messages)) {
+    <div id="save-message" class="message message-Warning" style="display:none">@T("You need to hit \"Save\" in order to save your changes.")</div>
+    <div id="start-message" class="message message-Warning" style="display:none">@T("The workflow needs at least one activity to be set as a starting state.")</div>
+}