GUACAMOLE-1896: Merge support for programmatically applying updates to connection parameters.

Author: mike-jumper

guacamole/src/main/frontend/src/app/client/controllers/clientController.js

@@ -486,6 +486,18 @@ angular.module('client').controller('clientController', ['$scope', '$routeParams
 
     });
 
+    // Automatically update connection parameters that have been modified
+    // for the current focused client
+    $scope.$on('guacClientArgumentsUpdated', function focusedClientChanged(event, focusedClient) {
+
+        // Update available connection parameters, if the updated arguments are
+        // for the current focused client - otherwise ignore them
+        if ($scope.focusedClient && $scope.focusedClient === focusedClient)
+        $scope.menu.connectionParameters = focusedClient ?
+            ManagedClient.getArgumentModel(focusedClient) : {};
+
+    });
+
     // Update page icon when thumbnail changes
     $scope.$watch('focusedClient.thumbnail.canvas', function thumbnailChanged(canvas) {
         iconService.setIcons(canvas);

guacamole/src/main/frontend/src/app/client/directives/guacTiledClients.js

@@ -92,6 +92,11 @@ angular.module('client').directive('guacTiledClients', [function guacTiledClient
             $scope.$emit('guacClientFocused', focusedClient);
         });
 
+        // Notify whenever arguments of currently-focused client changes
+        $scope.$watch('getFocusedClient().arguments', function focusedClientParametersChanged() {
+            $scope.$emit('guacClientArgumentsUpdated', $scope.getFocusedClient());
+        }, true);
+
         /**
          * Returns a callback for guacClick that assigns or updates keyboard
          * focus to the given client, allowing that client to receive and