fix(modal): allow replacing object with default options

Closes #967

src/modal/modal.js

@@ -208,13 +208,11 @@ angular.module('ui.bootstrap.modal', [])
 
   .provider('$modal', function () {
 
-    var defaultOptions = {
-      backdrop: true, //can be also false or 'static'
-      keyboard: true
-    };
-
-    return {
-      options: defaultOptions,
+    var $modalProvider = {
+      options: {
+        backdrop: true, //can be also false or 'static'
+        keyboard: true
+      },
       $get: ['$injector', '$rootScope', '$q', '$http', '$templateCache', '$controller', '$modalStack',
         function ($injector, $rootScope, $q, $http, $templateCache, $controller, $modalStack) {
 
@@ -255,7 +253,7 @@ angular.module('ui.bootstrap.modal', [])
             };
 
             //merge and clean up options
-            modalOptions = angular.extend({}, defaultOptions, modalOptions);
+            modalOptions = angular.extend({}, $modalProvider.options, modalOptions);
             modalOptions.resolve = modalOptions.resolve || {};
 
             //verify options
@@ -312,4 +310,6 @@ angular.module('ui.bootstrap.modal', [])
           return $modal;
         }]
     };
+
+    return $modalProvider;
   });

src/modal/test/modal.spec.js

@@ -202,6 +202,18 @@ describe('$modal', function () {
       expect($document).toHaveModalOpenWithContent('Content', 'div');
       expect($document).not.toHaveBackdrop();
     });
+
+    it('should accept new objects with default options in a provider', function () {
+
+      $modalProvider.options = {
+        backdrop: false
+      };
+      var modal = open({template: '<div>Content</div>'});
+
+      expect($document).toHaveModalOpenWithContent('Content', 'div');
+      expect($document).not.toHaveBackdrop();
+    });
+
   });
 
   describe('option by option', function () {