Added missing on.sortChanged

ui-grid/ui-grid.d.ts

@@ -998,6 +998,12 @@ declare module uiGrid {
              * @param {rowsVisibleChangedHandler} handler callback
              */
             rowsVisibleChanged: (scope: ng.IScope, handler: rowsVisibleChangedHandler) => void;
+            /**
+             * is raised after the sort criteria on one or more columns has changed
+             * @param {ng.IScope} scope Grid scope
+             * @param {rowsVisibleChangedHandler} handler callback
+             */
+            sortChanged: (scope: ng.IScope, handler: sortChangedHandler) => void;
             /**
              * is raised when scroll begins. Is throttled, so won't be raised too frequently
              * @param {ng.IScope} scope Grid scope
@@ -1068,6 +1074,15 @@ declare module uiGrid {
         (scrollEvent: JQueryMouseEventObject): void;
     }
 
+    export interface sortChangedHandler {
+        /**
+         * Sort change event callback
+         * @param {IGridInstance} grid instance
+         * @param {IGridColumn} array of gridColumns that have sorting on them, sorted in priority order
+         */
+        (grid: IGridInstance, columns: IGridColumn[]): void;
+    }
+
     export module cellNav {
         /**
          * Column Definitions for cellNav feature, these are available to be set using the ui-grid
@@ -1128,6 +1143,7 @@ declare module uiGrid {
              * Brings the specified row and column into view, and sets focus to that cell
              * @param {any} rowEntity gridOptions.data[] array instance to make visible and set focus
              * @param {IColumnDef} colDef Column definition to make visible and set focus
+             * @returns {ng.IPromise<any>} a promise that is resolved after any scrolling is finished
              */
             scrollToFocus(rowEntity: any, colDef: IColumnDef): ng.IPromise<any>;