life-towers/src/app/components/pages/page/page.component.ts
2019-09-01 18:13:21 +02:00

95 lines
2.6 KiB
TypeScript

import { Component, EventEmitter, Input, OnInit, Output } from '@angular/core';
import { Page } from '../../../model/page';
import { ModalService } from '../../../services/modal.service';
import { DataService } from '../../../services/data.service';
import { Observable } from 'rxjs/internal/Observable';
import { Range } from '../../../interfaces/range';
import { Subject } from 'rxjs/internal/Subject';
import { Tower } from '../../../model/tower';
import { BehaviorSubject } from 'rxjs/internal/BehaviorSubject';
@Component({
selector: 'app-page',
templateUrl: './page.component.html',
styleUrls: ['./page.component.scss']
})
export class PageComponent implements OnInit {
@Input() page$: Observable<Page>;
private page: Page;
towers: Array<BehaviorSubject<Tower>> = [];
@Output() isDragHappening: EventEmitter<boolean> = new EventEmitter();
readonly MIN_BLOCK_COUNT_BEFORE_SHOWING_SLIDER = 6;
isDragging = false;
draggedTowerIndex: number;
nearTrashcan = false;
dates: Date[] = [];
dateRange: Subject<Range<Date>> = new Subject<Range<Date>>();
get dateLabels(): string[] {
return this.dates.map(d => d.toLocaleDateString());
}
constructor(private modalService: ModalService, public dataService: DataService) {}
ngOnInit(): void {
this.page$.subscribe(value => {
if (value) {
this.towers = value.towers.map((t, index) => {
if (index < this.towers.length) {
if (this.towers[index].getValue() !== t) {
this.towers[index].next(t);
}
return this.towers[index];
}
return new BehaviorSubject(t);
});
this.page = value;
this.dates = value.towers
.reduce((all, t) => [...t.blocks.map(b => b.created), ...all], [])
.sort((d1, d2) => d1.getTime() - d2.getTime());
}
});
}
dropDrag(event: any) {
this.page.moveTower(event);
this.isDragging = false;
this.isDragHappening.emit(false);
}
startDrag(id: number) {
this.draggedTowerIndex = id;
this.isDragging = true;
this.isDragHappening.emit(true);
}
trashEnter() {
this.nearTrashcan = true;
window.document.querySelector('.cdk-drag-preview').className += ' trash-highlight';
}
trashExit() {
this.nearTrashcan = false;
const elem = window.document.querySelector('.cdk-drag-preview');
elem.className = elem.className
.split(' ')
.slice(0, -1)
.join(' ');
}
async removeTower() {
try {
const tower = this.page.towers[this.draggedTowerIndex];
await this.modalService.showRemoveTower(tower);
this.page.removeTower(tower);
} catch {
// pass
}
}
}