Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 | 1x 1x 11x 11x 11x 11x 11x 1x 1x 11x 11x 11x 11x 11x 11x 11x 1x 11x 1x 44x 22x 1x 1x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 1x | import { Component, OnInit, Input, OnDestroy } from '@angular/core'; import { BehaviorSubject, Subscription, Observable, combineLatest } from 'rxjs'; import { map, tap } from 'rxjs/operators'; import { MapsDatabaseService } from '../../../map/maps-database/maps-database.service'; import { ABAMap } from '../../../map/maps-database/utils'; const nbMapsPerPage = 10; import { faFilter, faChevronLeft, faChevronRight, faEye } from '@fortawesome/free-solid-svg-icons'; @Component({ selector: 'app-maps-menu', templateUrl: './maps-menu.component.html', styleUrls: ['./maps-menu.component.css'] }) export class MapsMenuComponent implements OnInit, OnDestroy { faFilter = faFilter; faPrevious = faChevronLeft; faNext = faChevronRight; faEye = faEye; _open = false; @Input() mapSelected: (id: number) => void; @Input() backToMainMenu: () => void; filter$ = new BehaviorSubject<string>(''); pageNumber$ = new BehaviorSubject<number>(0); pages$ = new BehaviorSubject<number[]>([]); filteredMaps$ = new BehaviorSubject<ABAMap[]>([]); mapsToDisplay$ = new BehaviorSubject<ABAMap[]>([]); subscriptions: Subscription[] = []; constructor( private mapsDBService: MapsDatabaseService ) { } ngOnInit() { this.subscriptions.push( this.initFilteredMaps().subscribe(), this.initPages().subscribe(), this.initPageNumber().subscribe(), this.initMapsToDisplay().subscribe() ); } ngOnDestroy() { this.subscriptions.forEach((subscription) => subscription.unsubscribe()); } get open(): boolean { return this._open; } set open(value: boolean) { this._open = value; /* Reload the maps from the ABAplans server every time the modal is shown. */ if (value) { this.subscriptions[0] = combineLatest( this.mapsDBService.getMapsList(), this.filter$ ).pipe( map(([maps, filter]) => this.filterMaps(maps, filter)), tap((maps) => this.filteredMaps$.next(maps)) ).subscribe(); } } int(value: string): number { return parseInt(value, 10); } private filterMaps(maps: ABAMap[], filter: string): ABAMap[] { return maps.filter( (abaMap) => [ abaMap.uid.toString(), abaMap.title.toLowerCase(), abaMap.creationDate.toLowerCase() ].some( (candidate) => candidate.includes(filter) ) ); } private initFilteredMaps(): Observable<ABAMap[]> { return combineLatest( this.mapsDBService.getMapsList(), this.filter$ ).pipe( map(([maps, filter]) => this.filterMaps(maps, filter)), tap((maps) => this.filteredMaps$.next(maps)) ); } private initPages(): Observable<number[]> { return this.filteredMaps$.pipe( map((maps) => { const numberOfPages = Math.ceil(maps.length / nbMapsPerPage); return Array(numberOfPages).fill(null).map(({}, i) => i); }), tap((pages) => this.pages$.next(pages)) ); } private initPageNumber(): Observable<any> { return this.filteredMaps$.pipe( tap(() => this.pageNumber$.next(0)), ); } private initMapsToDisplay(): Observable<any> { return combineLatest( this.filteredMaps$, this.pageNumber$, ).pipe( map(([maps, pageNumber]) => { const startOffset = nbMapsPerPage * pageNumber; return maps.slice( startOffset, startOffset + nbMapsPerPage, ); }), tap((maps) => this.mapsToDisplay$.next(maps)), ); } } |