Added container id generator for fusioncharts container

Author: ashok1994

src/angular-fusioncharts/src/fusioncharts.component.ts

@@ -18,7 +18,7 @@ import EventsList from '../events/events';
 class FusionChartsComponent implements OnInit, OnChanges, DoCheck, AfterViewInit, OnDestroy {
 
     chartObj: any;
-
+    
     @Input() placeholder: string;
     @Input() dataSource: Object;
     @Input() type: string;
@@ -289,6 +289,7 @@ class FusionChartsComponent implements OnInit, OnChanges, DoCheck, AfterViewInit
     constructor(element: ElementRef, fusionchartsService: FusionChartsService, private differs: KeyValueDiffers, private zone: NgZone) {
         this.element = element;
         this.fusionchartsService = fusionchartsService;
+        this.containerId = fusionchartsService.getNextItemCount();
     }
 
     // @ViewChild('samplediv') chartContainer: ElementRef;

src/angular-fusioncharts/src/fusioncharts.service.ts

@@ -9,6 +9,7 @@ export class FusionChartsStatic {
 @Injectable()
 export class FusionChartsService {
     static _fcRoot: any = null;
+    static itemCount :any = 0;
     _fusionchartsStatice: FusionChartsStatic;
 
     static setFCRoot(fcRoot: any) {
@@ -60,4 +61,10 @@ export class FusionChartsService {
     getFusionChartsStatic() {
         return this._fusionchartsStatice;
     }
+
+    getNextItemCount(){
+        FusionChartsService.itemCount++;
+        return FusionChartsService.itemCount;
+    }
+
 }