web-remote/src/app/components/chord-view/chord-view.component.ts

69 lines
2.4 KiB
TypeScript

import { Component, OnInit, ViewEncapsulation } from '@angular/core';
import { Slide } from '../../responses';
import { StageViewComponent } from '../stage-view/stage-view.component';
@Component({
selector: 'app-chord-view',
templateUrl: './chord-view.component.html',
styleUrls: ['./chord-view.component.scss', '../overlay.scss', './chordpro.scss'],
encapsulation: ViewEncapsulation.None // needed for the chords to be displayed
})
export class ChordViewComponent extends StageViewComponent {
// Map with the song id and transpose value so the chord-view remembers the value for each song
songTransposeMap = new Map();
// current songs transpose level
transposeLevel = 0;
stageProperty = 'chords';
setNewSlides(slides: Slide[]): void {
super.setNewSlides(slides);
// if this song is already known
if (this.songTransposeMap.has(this.serviceItem.id)) {
if (this.songTransposeMap.get(this.serviceItem.id) !== 0) {
this.transposeChords();
} else {
this.transposeLevel = this.songTransposeMap.get(this.serviceItem.id);
}
} else {
this.songTransposeMap.set(this.serviceItem.id, 0);
this.transposeLevel = 0;
}
}
transposeUp(): void {
if (this.songTransposeMap.has(this.serviceItem.id)) {
const tmpTranspose = this.songTransposeMap.get(this.serviceItem.id) + 1;
this.songTransposeMap.set(this.serviceItem.id, tmpTranspose);
} else {
this.songTransposeMap.set(this.serviceItem.id, 1);
}
this.transposeChords();
}
transposeDown(): void {
if (this.songTransposeMap.has(this.serviceItem.id)) {
const tmpTranspose = this.songTransposeMap.get(this.serviceItem.id) - 1;
this.songTransposeMap.set(this.serviceItem.id, tmpTranspose);
} else {
this.songTransposeMap.set(this.serviceItem.id, -1);
}
this.transposeChords();
}
transposeChords(): void {
const tmpTranspose = this.songTransposeMap.get(this.serviceItem.id);
this.transposeLevel = tmpTranspose;
this.openlpService.transposeSong(tmpTranspose).subscribe(transposedLyrics => {
// Replace the chords in the currentSlides with the returned transposed chords
if (transposedLyrics instanceof Array) {
for (let i = 0; i < transposedLyrics.length; ++i) {
this.currentSlides[i] = {...this.currentSlides[i], chords: transposedLyrics[i].chords};
}
}
});
}
}