Merge pull request #942 from nasa/persist-graph-toggles-908

[Timeline] Persist resource graph toggles

platform/representation/src/MCTRepresentation.js

@@ -177,10 +177,6 @@ define(
                     // representation to store local variables into.
                     $scope.representation = {};
 
-                    // Change templates (passing in undefined to clear
-                    // if we don't have enough info to show a template.)
-                    changeTemplate(canRepresent ? representation : undefined);
-
                     // Any existing representers are no longer valid; release them.
                     destroyRepresenters();
 
@@ -226,6 +222,10 @@ define(
                         // next change object/key pair changes
                         toClear = uses.concat(['model']);
                     }
+
+                    // Change templates (passing in undefined to clear
+                    // if we don't have enough info to show a template.)
+                    changeTemplate(canRepresent ? representation : undefined);
                 }
 
                 // Update the representation when the key changes (e.g. if a

platform/representation/test/MCTRepresentationSpec.js

@@ -194,6 +194,21 @@ define(
                     .toHaveBeenCalledWith(testViews[1]);
             });
 
+            it("exposes configuration before changing templates", function () {
+                var observedConfiguration;
+
+                mockChangeTemplate.andCallFake(function () {
+                    observedConfiguration = mockScope.configuration;
+                });
+
+                mockScope.key = "xyz";
+                mockScope.domainObject = mockDomainObject;
+                fireWatch('key', mockScope.key);
+                fireWatch('domainObject', mockDomainObject);
+
+                expect(observedConfiguration).toBeDefined();
+            });
+
             it("does not load templates until there is an object", function () {
                 mockScope.key = "xyz";