63 lines
1.9 KiB
TypeScript
63 lines
1.9 KiB
TypeScript
import { Component, OnInit, AfterViewChecked } from '@angular/core';
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import { UserGuideService } from '@app/core/services/user-guide/user-guide.service';
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import { BaseComponent } from '@common/base/base.component';
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import { takeUntil } from 'rxjs/internal/operators/takeUntil';
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import { DomSanitizer } from '@angular/platform-browser';
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import { LanguageService } from '@app/core/services/language/language.service';
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@Component({
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selector: 'app-user-guide-content',
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templateUrl: './user-guide-content.component.html',
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styleUrls: ['./user-guide-content.component.scss']
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})
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export class UserGuideContentComponent extends BaseComponent implements OnInit, AfterViewChecked {
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guideHTML: any;
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private scrollEvent: EventListener;
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constructor(
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private userGuideService: UserGuideService,
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private sanitizer: DomSanitizer,
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private languageService: LanguageService
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) { super(); }
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ngOnInit() {
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this.scrollEvent = ((ev) => this.scroll(ev));
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this.userGuideService.getUserGuide(this.languageService.getCurrentLanguage())
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.pipe(takeUntil(this._destroyed))
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.subscribe(response => {
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const blob = new Blob([response.body], { type: 'text/html' });
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this.readBlob(blob);
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});
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}
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ngAfterViewChecked(): void {
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this.parse();
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}
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readBlob(blob: Blob) {
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const fr = new FileReader();
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fr.onload = ev => {
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this.guideHTML = this.sanitizer.bypassSecurityTrustHtml(fr.result as string);
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this.parse();
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};
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fr.readAsText(blob);
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}
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scroll(ev: Event) {
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document.getElementById((ev.srcElement as any).getAttribute('path')).scrollIntoView({behavior: 'smooth', block: 'start'});
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}
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private parse() {
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const specialElements: HTMLCollection = document.getElementsByClassName('href');
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for (let i = 0; i < specialElements.length; i++) {
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const element = specialElements.item(i);
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element.removeEventListener('click', this.scrollEvent);
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element.addEventListener('click', this.scrollEvent);
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}
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}
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}
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