99 lines
3.0 KiB
TypeScript
99 lines
3.0 KiB
TypeScript
import { AfterViewInit, Component, ElementRef, OnInit, ViewChild } from '@angular/core';
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import { MatPaginator } from '@angular/material/paginator';
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import { MatSort } from '@angular/material/sort';
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import { ProductListDataSource } from './product-list-datasource';
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import { Product } from '../../core/product';
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import { ActivatedRoute } from '@angular/router';
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import { debounceTime, distinctUntilChanged, startWith } from 'rxjs/operators';
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import { FormBuilder, FormGroup } from '@angular/forms';
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import { Observable } from 'rxjs';
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import { ToCsvService } from '../../shared/to-csv.service';
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@Component({
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selector: 'app-product-list',
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templateUrl: './product-list.component.html',
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styleUrls: ['./product-list.component.css']
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})
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export class ProductListComponent implements OnInit, AfterViewInit {
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constructor(private route: ActivatedRoute, private fb: FormBuilder, private toCsv: ToCsvService) {
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this.showExtended = false;
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this.createForm();
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this.filter = this.listenToFilterChange();
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}
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get showExtended(): boolean {
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return this._showExtended;
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}
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set showExtended(value: boolean) {
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this._showExtended = value;
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if (value) {
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this.displayedColumns = ['name', 'costPrice', 'productYield', 'productGroup', 'info'];
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} else {
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this.displayedColumns = ['name', 'costPrice', 'productGroup', 'info'];
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}
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}
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@ViewChild('filterElement', { static: true }) filterElement: ElementRef;
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@ViewChild(MatPaginator, { static: true }) paginator: MatPaginator;
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@ViewChild(MatSort, { static: true }) sort: MatSort;
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dataSource: ProductListDataSource;
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filter: Observable<any>;
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form: FormGroup;
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list: Product[];
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/** Columns displayed in the table. Columns IDs can be added, removed, or reordered. */
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displayedColumns: string[];
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private _showExtended: boolean;
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createForm() {
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this.form = this.fb.group({
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filter: ''
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});
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}
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listenToFilterChange() {
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return this.form.get('filter').valueChanges
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.pipe(
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startWith(''),
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debounceTime(150),
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distinctUntilChanged()
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);
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}
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ngOnInit() {
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this.route.data
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.subscribe((data: { list: Product[] }) => {
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this.list = data.list;
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});
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this.dataSource = new ProductListDataSource(this.paginator, this.sort, this.filter, this.list);
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}
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ngAfterViewInit() {
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setTimeout(() => {
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this.filterElement.nativeElement.focus();
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}, 0);
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}
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exportCsv() {
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const headers = {
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Code: 'code',
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Name: 'name',
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Units: 'units',
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Fraction: 'fraction',
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FractionUnits: 'fractionUnits',
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CostPrice: 'costPrice',
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Yield: 'yield',
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ProductGroup: 'productGroup'
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};
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const csvData = new Blob([this.toCsv.toCsv(headers, this.dataSource.data)], {type: 'text/csv;charset=utf-8;'});
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const link = document.createElement('a');
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link.href = window.URL.createObjectURL(csvData);
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link.setAttribute('download', 'products.csv');
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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}
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}
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