chore(*): Set a single grid icon service for all grid instances.

Author: skrustev

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

@@ -6,7 +6,9 @@ import { GridSVGIcon } from './grid.interface';
 /**
  * @hidden
  */
-@Injectable()
+@Injectable({
+    providedIn: 'root'
+})
 export class IgxGridIconService {
 
     private iconsMap = new Map<GridIconsFeature, GridSVGIcon[]>();

projects/igniteui-angular/src/lib/grids/common/shared.module.ts

@@ -21,6 +21,7 @@ import { IgxProgressBarModule } from '../../progressbar/progressbar.component';
 import { IgxSelectModule } from '../../select/select.module';
 import { IgxDropDownModule } from '../../drop-down/public_api';
 import { IgxGridStateModule } from '../state.directive';
+import { IgxGridIconService } from './grid-icon.service';
 
 
 @NgModule({
@@ -71,6 +72,9 @@ import { IgxGridStateModule } from '../state.directive';
         IgxButtonGroupModule,
         IgxProgressBarModule,
         IgxSelectModule
+    ],
+    providers: [
+        IgxGridIconService
     ]
 })
 export class IgxGridSharedModules {}

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

@@ -26,7 +26,6 @@ import { IgxGridMRLNavigationService } from '../grid-mrl-navigation.service';
 import { IgxRowIslandAPIService } from '../hierarchical-grid/row-island-api.service';
 import { FilterMode } from '../common/enums';
 import { GridType } from '../common/grid.interface';
-import { IgxGridIconService } from '../common/grid-icon.service';
 
 let NEXT_ID = 0;
 
@@ -68,8 +67,7 @@ export interface IGroupingDoneEventArgs extends IBaseEventArgs {
         IgxColumnResizingService,
         IgxForOfSyncService,
         IgxForOfScrollSyncService,
-        IgxRowIslandAPIService,
-        IgxGridIconService
+        IgxRowIslandAPIService
     ],
     selector: 'igx-grid',
     templateUrl: './grid.component.html'

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

@@ -36,7 +36,6 @@ import { IgxTransactionService } from '../../services/public_api';
 import { IgxForOfSyncService, IgxForOfScrollSyncService } from '../../directives/for-of/for_of.sync.service';
 import { GridType } from '../common/grid.interface';
 import { IgxRowIslandAPIService } from './row-island-api.service';
-import { IgxGridIconService } from '../common/grid-icon.service';
 
 let NEXT_ID = 0;
 
@@ -59,8 +58,7 @@ export interface HierarchicalStateRecord {
         IgxHierarchicalGridNavigationService,
         IgxForOfSyncService,
         IgxForOfScrollSyncService,
-        IgxRowIslandAPIService,
-        IgxGridIconService
+        IgxRowIslandAPIService
     ]
 })
 export class IgxHierarchicalGridComponent extends IgxHierarchicalGridBaseDirective

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

@@ -37,7 +37,6 @@ import { GridType } from '../common/grid.interface';
 import { IgxColumnComponent } from '../columns/column.component';
 import { IgxRowIslandAPIService } from '../hierarchical-grid/row-island-api.service';
 import { IgxTreeGridRowComponent } from './tree-grid-row.component';
-import { IgxGridIconService } from '../common/grid-icon.service';
 
 let NEXT_ID = 0;
 
@@ -72,8 +71,7 @@ let NEXT_ID = 0;
         IgxFilteringService,
         IgxForOfSyncService,
         IgxForOfScrollSyncService,
-        IgxRowIslandAPIService,
-        IgxGridIconService
+        IgxRowIslandAPIService
     ]
 })
 export class IgxTreeGridComponent extends IgxGridBaseDirective implements GridType, OnInit, DoCheck, AfterContentInit {