126 lines
4.2 KiB
TypeScript
126 lines
4.2 KiB
TypeScript
import { Component, ViewChild, OnInit, AfterViewInit, ViewEncapsulation } from "@angular/core";
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import { MatPaginator, MatSort, MatSnackBar } from "@angular/material";
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import { Router } from "@angular/router";
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import { TranslateService } from "@ngx-translate/core";
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import { DataSource } from "@angular/cdk/table";
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import { ProjectListingModel } from "../models/projects/ProjectListingModel";
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import { ProjectService } from "../services/project/project.service";
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import { ProjectCriteriaComponent } from "../shared/components/criteria/projects/projects-criteria.component";
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import { ProjectCriteria } from "../models/criteria/project/ProjectCriteria";
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import { Observable } from "rxjs/Observable";
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import { DataTableRequest } from "../models/data-table/DataTableRequest";
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import { SnackBarNotificationComponent } from "../shared/components/notificaiton/snack-bar-notification.component";
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@Component({
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selector: 'app-project-listing-component',
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templateUrl: 'project-listing.component.html',
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styleUrls: ['./project-listing.component.scss'],
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providers: [ProjectService],
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encapsulation: ViewEncapsulation.None
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})
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export class ProjectListingComponent implements OnInit {
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@ViewChild(MatPaginator) _paginator: MatPaginator;
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@ViewChild(MatSort) sort: MatSort;
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@ViewChild(ProjectCriteriaComponent) criteria: ProjectCriteriaComponent;
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dataSource: ProjectDataSource | null;
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displayedColumns: String[] = ['name', 'abbreviation', 'start', 'end'];
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constructor(
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private projectService: ProjectService,
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private router: Router,
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private languageService: TranslateService,
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public snackBar: MatSnackBar,
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) {
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}
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ngOnInit() {
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this.criteria.setCriteria(this.getDefaultCriteria());
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this.refresh();
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this.criteria.setRefreshCallback(() => this.refresh());
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}
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refresh() {
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this.dataSource = new ProjectDataSource(this.projectService, this._paginator, this.sort, this.languageService, this.snackBar, this.criteria);
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}
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rowClick(rowId: String) {
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this.router.navigate(['/project/' + rowId]);
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}
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getDefaultCriteria(): ProjectCriteria {
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const defaultCriteria = new ProjectCriteria();
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return defaultCriteria;
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}
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}
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export class ProjectDataSource extends DataSource<ProjectListingModel> {
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totalCount = 0;
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isLoadingResults = false;
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constructor(
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private _service: ProjectService,
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private _paginator: MatPaginator,
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private _sort: MatSort,
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private _languageService: TranslateService,
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private _snackBar: MatSnackBar,
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private _criteria: ProjectCriteriaComponent
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) {
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super();
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//this._paginator.page.subscribe((pageEvent: PageEvent) => {
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// this.store.dispatch(new LoadPhotosRequestAction(pageEvent.pageIndex, pageEvent.pageSize))
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//})
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}
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connect(): Observable<ProjectListingModel[]> {
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const displayDataChanges = [
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this._paginator.page
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//this._sort.matSortChange
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];
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// If the user changes the sort order, reset back to the first page.
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//this._sort.matSortChange.subscribe(() => {
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// this._paginator.pageIndex = 0;
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//})
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return Observable.merge(...displayDataChanges)
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.startWith(null)
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.switchMap(() => {
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setTimeout(() => {
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this.isLoadingResults = true;
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});
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const startIndex = this._paginator.pageIndex * this._paginator.pageSize;
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const request = new DataTableRequest<ProjectCriteria>(startIndex, this._paginator.pageSize);
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request.criteria = this._criteria.criteria;
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return this._service.getPaged(request);
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})
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.catch((error: any) => {
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this._snackBar.openFromComponent(SnackBarNotificationComponent, {
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data: { message: 'GENERAL.SNACK-BAR.FORMS-BAD-REQUEST', language: this._languageService },
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duration: 3000,
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extraClasses: ['snackbar-warning']
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});
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this._criteria.onCallbackError(error.error);
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return Observable.of(null);
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})
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.map(result => {
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setTimeout(() => {
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this.isLoadingResults = false;
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});
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return result;
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})
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.map(result => {
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if (!result) { return []; }
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if (this._paginator.pageIndex === 0) { this.totalCount = result.totalCount; }
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return result.data;
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});
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}
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disconnect() {
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// No-op
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}
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} |