client/src/app/shared/shared-custom-markup/custom-markup-container.component.ts

   1 import { Component, ElementRef, Input, OnChanges, ViewChild } from '@angular/core'
   2 import { CustomMarkupService } from './custom-markup.service'
   3
   4 @Component({
   5   selector: 'my-custom-markup-container',
   6   templateUrl: './custom-markup-container.component.html'
   7 })
   8 export class CustomMarkupContainerComponent implements OnChanges {
   9   @ViewChild('contentWrapper', { static: true }) contentWrapper: ElementRef<HTMLInputElement>
  10
  11   @Input() content: string | HTMLDivElement
  12
  13   displayed = false
  14
  15   constructor (
  16     private customMarkupService: CustomMarkupService
  17   ) { }
  18
  19   async ngOnChanges () {
  20     await this.rebuild()
  21   }
  22
  23   private async rebuild () {
  24     if (this.content instanceof HTMLDivElement) {
  25       return this.loadElement(this.content)
  26     }
  27
  28     const { rootElement, componentsLoaded } = await this.customMarkupService.buildElement(this.content)
  29     await componentsLoaded
  30
  31     return this.loadElement(rootElement)
  32   }
  33
  34   private loadElement (el: HTMLDivElement) {
  35     this.contentWrapper.nativeElement.appendChild(el)
  36
  37     this.displayed = true
  38   }
  39 }