import {Component, OnDestroy, OnInit, ViewChild} from '@angular/core'; import {takeWhile} from 'rxjs/operators'; import {OmpClassDao} from 'src/app/dao/omp-class.dao'; import {LecturerInfoService} from 'src/app/services/lecturer-info.service'; import {ActivatedRoute, Router} from '@angular/router'; import {LecturerDataService} from 'src/app/services/lecturer-data.service'; import {LecturerViewService} from 'src/app/services/lecturer-view.service'; import {AgGridNg2} from 'ag-grid-angular/main'; import {GridOptions} from 'ag-grid-community'; @Component({ selector: 'app-lecturer-dashboard', templateUrl: './lecturer-dashboard.component.html', styleUrls: ['./lecturer-dashboard.component.css'] }) export class LecturerDashboardComponent implements OnInit, OnDestroy { @ViewChild('agGrid') agGrid: AgGridNg2; public gridOptions: GridOptions; public columnDefs = [ {headerName: 'Class Code', field: 'classCode', sortable: true, lockPosition: true}, {headerName: 'Class Name', field: 'classname', sortable: true, lockPosition: true}, {headerName: 'Year', field: 'year', sortable: true, lockPosition: true}, ]; private isAlive = true; private lecturerId: String; public classList: OmpClassDao[]; public rowData: any; constructor(private lecturerInfoService: LecturerInfoService, private lecturerDataService: LecturerDataService, private lecturerViewService: LecturerViewService, private router: Router, private route: ActivatedRoute) { } ngOnInit(): void { this.route.params.subscribe(params => { this.lecturerId = params.id; }).add(takeWhile(() => this.isAlive)); this.lecturerDataService.lecturerId = this.lecturerId; this.classList = []; this.gridOptions = {}; this.rowData = this.lecturerInfoService.getLecturerClasses(this.lecturerId); this.getClasses(); } ngOnDestroy(): void { this.classList = []; this.isAlive = false; this.agGrid.ngOnDestroy(); } private getClasses() { this.lecturerInfoService.getLecturerClasses(this.lecturerId).subscribe((data: OmpClassDao[]) => { data.forEach(c => this.classList.push(c)); }); } public goToPaperView(classCode: String) { this.lecturerDataService.classCode = classCode; this.lecturerViewService.changeToDashboard(false); this.router.navigate(['/paper-view']); this.ngOnDestroy(); } public goToTemplateView() { this.lecturerViewService.changeToDashboard(false); this.router.navigate(['/template-view']); this.ngOnDestroy(); } public createPaperView() { this.lecturerDataService.isTemplate = false; this.lecturerViewService.changeToDashboard(false); this.router.navigate(['/creation-view']); this.ngOnDestroy(); } public createTemplateView() { this.lecturerDataService.isTemplate = true; this.lecturerViewService.changeToDashboard(false); this.router.navigate(['/creation-view']); this.ngOnDestroy(); } }