103 lines
3.2 KiB
TypeScript
103 lines
3.2 KiB
TypeScript
import {Component, ElementRef, EventEmitter, Input, OnInit, Output, QueryList, ViewChildren} from '@angular/core';
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import {TextRenderingService} from '../../../modules/songs/services/text-rendering.service';
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import {faGripLines} from '@fortawesome/free-solid-svg-icons/faGripLines';
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import {songSwitch} from './animation';
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import {TransposeMode} from '../../../modules/songs/services/transpose-mode';
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import {SectionType} from '../../../modules/songs/services/section-type';
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import {LineType} from '../../../modules/songs/services/line-type';
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import {Section} from '../../../modules/songs/services/section';
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import {Line} from '../../../modules/songs/services/line';
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export type ChordMode = 'show' | 'hide' | 'onlyFirst';
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@Component({
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selector: 'app-song-text',
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templateUrl: './song-text.component.html',
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styleUrls: ['./song-text.component.less'],
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animations: [songSwitch],
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})
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export class SongTextComponent implements OnInit {
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public sections: Section[];
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@Input() public index = -1;
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@Input() public fullscreen = false;
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@Input() public showSwitch = false;
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@Input() public transpose: TransposeMode = null;
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@Output() public chordModeChanged = new EventEmitter<ChordMode>();
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@ViewChildren('section') public viewSections: QueryList<ElementRef<HTMLElement>>;
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public faLines = faGripLines;
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public offset = 0;
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public iChordMode: ChordMode = 'hide';
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public constructor(private textRenderingService: TextRenderingService, private elRef: ElementRef<HTMLElement>) {}
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@Input()
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public set chordMode(value: ChordMode) {
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this.iChordMode = value ?? 'hide';
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}
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@Input()
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public set text(value: string) {
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this.sections = null;
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this.offset = 0;
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if (this.fullscreen) {
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setTimeout(() => (this.sections = this.textRenderingService.parse(value, this.transpose).sort((a, b) => a.type - b.type)), 100);
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} else {
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this.sections = this.textRenderingService.parse(value, this.transpose).sort((a, b) => a.type - b.type);
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}
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}
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public ngOnInit(): void {
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setInterval(() => {
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if (!this.fullscreen || this.index === -1 || !this.viewSections.toArray()[this.index]) {
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this.offset = 0;
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return;
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}
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this.offset = -this.viewSections.toArray()[this.index].nativeElement.offsetTop;
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}, 100);
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}
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public getLines(section: Section): Line[] {
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return section.lines.filter(_ => {
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if (_.type !== LineType.chord) {
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return true;
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}
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switch (this.iChordMode) {
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case 'show':
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return true;
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case 'hide':
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return false;
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case 'onlyFirst':
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return section.number === 0 || section.type !== SectionType.Verse;
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}
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});
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}
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public onChordClick(): void {
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const next = this.getNextChordMode();
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this.chordMode = next;
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this.chordModeChanged.emit(next);
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}
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public onClick(): void {
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const nativeElement = this.elRef.nativeElement;
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scrollTo(0, nativeElement.offsetTop - 20);
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}
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public checkDisabled(i: number): boolean {
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return this.index !== -1 && this.index !== i;
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}
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private getNextChordMode(): ChordMode {
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switch (this.iChordMode) {
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case 'show':
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return 'hide';
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case 'hide':
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return 'onlyFirst';
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case 'onlyFirst':
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return 'show';
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}
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}
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}
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