Disable the SMART INVENTORY button until the user performs a search on the host list

awx/ui/client/src/inventories/hosts/host.list.js

@@ -103,11 +103,12 @@ export default ['i18n', function(i18n) {
             smart_inventory: {
                 mode: 'all',
                 ngClick: "smartInventory()",
-                awToolTip: "Create a new Smart Inventory from results.",
+                awToolTip: "Create a new Smart Inventory from search results.",
                 actionClass: 'btn List-buttonDefault',
                 buttonContent: 'SMART INVENTORY',
                 ngShow: 'canAdd',
                 dataPlacement: "top",
+                ngDisabled: '!activeHostSearch'
             }
         }
     };

awx/ui/client/src/inventories/hosts/list/host-list.controller.js

@@ -15,6 +15,7 @@ function HostsList($scope, HostsList, $rootScope, GetBasePath,
 
     function init(){
         $scope.canAdd = false;
+        $scope.activeHostSearch = false;
 
         rbacUiControlService.canAdd('hosts')
             .then(function(canAdd) {
@@ -37,6 +38,21 @@ function HostsList($scope, HostsList, $rootScope, GetBasePath,
             setJobStatus();
         });
 
+        $rootScope.$on('$stateChangeSuccess', function(event, toState, toParams) {
+            if(toParams && toParams.host_search) {
+                let hasMoreThanDefaultKeys = false;
+                angular.forEach(toParams.host_search, function(value, key) {
+                    if(key !== 'order_by' && key !== 'page_size') {
+                        hasMoreThanDefaultKeys = true;
+                    }
+                });
+                $scope.activeHostSearch = hasMoreThanDefaultKeys ? true : false;
+            }
+            else {
+                $scope.activeHostSearch = false;
+            }
+        });
+
     }
 
     function setJobStatus(){