fix(interfaces): grid option enableColumnReorder can also be a function

src/app/examples/grid-draggrouping.component.ts

@@ -216,7 +216,6 @@ export class GridDraggableGroupingComponent implements OnInit {
       preHeaderPanelHeight: 40,
       enableFiltering: true,
       enableSorting: true,
-      enableColumnReorder: true,
       exportOptions: {
         sanitizeDataExport: true
       },

src/app/modules/angular-slickgrid/models/columnReorderFunction.type.ts

@@ -0,0 +1,3 @@
+import { Column, SlickGrid } from './index';
+
+export type ColumnReorderFunction = (grid: SlickGrid, headers: HTMLElement[], headerColumnWidthDiff: any, setColumns: (col: Column) => void, setupColumnResize: () => void, columns: Column[], getColumnIndex: number, uid: string, trigger: boolean) => void;

src/app/modules/angular-slickgrid/models/draggableGrouping.interface.ts

@@ -1,4 +1,5 @@
 import { Grouping } from './grouping.interface';
+import { ColumnReorderFunction } from './columnReorderFunction.type';
 
 export interface DraggableGrouping {
   /** an extra CSS class to add to the delete button (default undefined), if deleteIconCssClass && deleteIconImage undefined then slick-groupby-remove-image class will be added */
@@ -35,5 +36,5 @@ export interface DraggableGrouping {
   clearDroppedGroups?: () => void;
 
   /** its function to setup draggable feature agains Header Column, should be passed on grid option. Also possible to pass custom function */
-  getSetupColumnReorder?: () => void;
+  getSetupColumnReorder?: ColumnReorderFunction;
 }

src/app/modules/angular-slickgrid/models/gridOption.interface.ts

@@ -6,6 +6,7 @@ import {
   CheckboxSelector,
   Column,
   ColumnPicker,
+  ColumnReorderFunction,
   ContextMenu,
   DraggableGrouping,
   EditCommand,
@@ -195,7 +196,7 @@ export interface GridOption {
   enableColumnPicker?: boolean;
 
   /** Defaults to true, which permits the user to move an entire column from a position to another. */
-  enableColumnReorder?: boolean;
+  enableColumnReorder?: boolean | ColumnReorderFunction;
 
   /** Do we want to enable Context Menu? (mouse right+click) */
   enableContextMenu?: boolean;

src/app/modules/angular-slickgrid/models/index.ts

@@ -21,6 +21,7 @@ export * from './columnEditorDualInput.interface';
 export * from './columnFilter.interface';
 export * from './columnFilters.interface';
 export * from './columnPicker.interface';
+export * from './columnReorderFunction.type';
 export * from './columnSort.interface';
 export * from './contextMenu.interface';
 export * from './currentColumn.interface';