refactor(grids): convert groupsRecords to getter, remove filteredData setter

Author: damyanpetev

projects/igniteui-angular/src/lib/grids/common/grid.interface.ts

@@ -49,7 +49,7 @@ export interface IPathSegment {
 
 export interface IGridDataBindable {
     data: any[] | null;
-    filteredData: any[];
+    get filteredData(): any[];
 }
 
 export interface CellType {
@@ -565,7 +565,7 @@ export interface GridType extends IGridDataBindable {
     groupingExpressions?: IGroupingExpression[];
     groupingExpressionsChange?: EventEmitter<IGroupingExpression[]>;
     groupsExpanded?: boolean;
-    groupsRecords?: IGroupByRecord[];
+    readonly groupsRecords?: IGroupByRecord[];
     groupingFlatResult?: any[];
     groupingResult?: any[];
     groupingMetadata?: any[];

projects/igniteui-angular/src/lib/grids/grid/grid.component.ts

@@ -249,6 +249,7 @@ export class IgxGridComponent extends IgxGridBaseDirective implements GridType,
     @ViewChildren(IgxGridGroupByRowComponent, { read: IgxGridGroupByRowComponent })
     private _groupsRowList: QueryList<IgxGridGroupByRowComponent>;
 
+    private _groupsRecords: IGroupByRecord[] = [];
     /**
      * Gets the hierarchical representation of the group by records.
      *
@@ -257,7 +258,9 @@ export class IgxGridComponent extends IgxGridBaseDirective implements GridType,
      * let groupRecords = this.grid.groupsRecords;
      * ```
      */
-    public groupsRecords: IGroupByRecord[] = [];
+    public get groupsRecords(): IGroupByRecord[] {
+        return this._groupsRecords;
+    }
 
     /**
      * @hidden @internal
@@ -339,22 +342,17 @@ export class IgxGridComponent extends IgxGridBaseDirective implements GridType,
     }
 
     /**
-     * Gets/Sets an array of objects containing the filtered data.
+     * Gets an array of objects containing the filtered data.
      *
      * @example
      * ```typescript
      * let filteredData = this.grid.filteredData;
-     * this.grid.filteredData = [...];
      * ```
      */
     public get filteredData() {
         return this._filteredData;
     }
 
-    public set filteredData(value) {
-        this._filteredData = value;
-    }
-
     /**
      * Gets/Sets the total number of records in the data source.
      *

projects/igniteui-angular/src/lib/grids/hierarchical-grid/hierarchical-grid.component.ts

@@ -95,7 +95,7 @@ export class IgxChildGridRowComponent implements AfterViewInit, OnInit {
     @Input()
     public index: number;
 
-    @ViewChild('container', {read: ViewContainerRef, static: true}) 
+    @ViewChild('container', {read: ViewContainerRef, static: true})
     public container: ViewContainerRef;
 
     /**
@@ -412,21 +412,6 @@ export class IgxHierarchicalGridComponent extends IgxHierarchicalGridBaseDirecti
             super.excelStyleFilteringComponent;
     }
 
-    /**
-     * Sets an array of objects containing the filtered data in the `IgxHierarchicalGridComponent`.
-     * ```typescript
-     * this.grid.filteredData = [{
-     *       ID: 1,
-     *       Name: "A"
-     * }];
-     * ```
-     *
-     * @memberof IgxHierarchicalGridComponent
-     */
-    public set filteredData(value) {
-        this._filteredData = value;
-    }
-
     /**
      * Returns an array of objects containing the filtered data in the `IgxHierarchicalGridComponent`.
      * ```typescript

projects/igniteui-angular/src/lib/grids/pivot-grid/pivot-grid.component.ts

@@ -1090,18 +1090,6 @@ export class IgxPivotGridComponent extends IgxGridBaseDirective implements OnIni
     public get data(): any[] | null {
         return this._data;
     }
-    /**
-     * Sets an array of objects containing the filtered data.
-     * ```typescript
-     * this.grid.filteredData = [{
-     *       ID: 1,
-     *       Name: "A"
-     * }];
-     * ```
-     */
-    public set filteredData(value) {
-        this._filteredData = value;
-    }
 
     /**
      * Returns an array of objects containing the filtered data.