Merge pull request #2719 from IgniteUI/dTsvetkov/fix-data-analysis-context-button-master

fix(data-analysis): fix context button -master

Author: zdrawku

projects/app-lob/src/app/grid-dynamic-chart-data/data-analysis-dock-manager/data-analysis-dock-manager.component.ts

@@ -454,6 +454,10 @@ export class DataAnalysisDockManagerComponent implements OnInit, AfterViewInit,
         } else {
             cell = this.grid.getCellByColumn(this.rowIndex, this.grid.visibleColumns[this.colIndex].field);
         }
+
+        if (!cell) {
+            return;
+        }
         this.contextmenuX = cell.element.nativeElement.getClientRects()[0].right;
         this.contextmenuY = cell.element.nativeElement.getClientRects()[0].bottom;
         this.contextmenu = this.isWithInRange(cell.rowIndex, cell.visibleColumnIndex);

projects/app-lob/src/app/grid-dynamic-chart-data/grid-dynamic-chart-data.component.ts

@@ -335,6 +335,10 @@ export class GridDynamicChartDataComponent implements OnInit, AfterViewInit, OnD
         } else {
             cell = this.grid.getCellByColumn(this.rowIndex, this.grid.visibleColumns[this.colIndex].field);
         }
+
+        if (!cell) {
+            return;
+        }
         this.contextmenuX = cell.element.nativeElement.getClientRects()[0].right;
         this.contextmenuY = cell.element.nativeElement.getClientRects()[0].bottom;
         this.contextmenu = this.isWithInRange(cell.rowIndex, cell.visibleColumnIndex);