fixes #1807

src/main/javascript/doc.js

@@ -123,8 +123,10 @@ window.Docs = {
 	toggleEndpointListForResource: function(resource) {
 		var elem = $('li#resource_' + Docs.escapeResourceName(resource) + ' ul.endpoints');
 		if (elem.is(':visible')) {
+			$.bbq.pushState('#/', 2);
 			Docs.collapseEndpointListForResource(resource);
 		} else {
+            $.bbq.pushState('#/' + resource, 2);
 			Docs.expandEndpointListForResource(resource);
 		}
 	},

src/main/javascript/view/OperationView.js

@@ -678,11 +678,10 @@ SwaggerUi.Views.OperationView = Backbone.View.extend({
   toggleOperationContent: function (event) {
     var elem = $('#' + Docs.escapeResourceName(this.parentId + '_' + this.nickname + '_content'));
     if (elem.is(':visible')){
-      event.preventDefault();
       $.bbq.pushState('#/', 2);
+      event.preventDefault();
       Docs.collapseOperation(elem);
     } else {
-      event.preventDefault();
       Docs.expandOperation(elem);
     }
   },