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import { Component, ElementRef, EventEmitter, Input, OnInit, Output, ViewChild } from '@angular/core'
import { VIDEO_CAPTION_FILE_CONTENT_VALIDATOR } from '@app/shared/form-validators/video-captions-validators'
import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
import { VideoCaptionEdit, VideoCaptionService, VideoCaptionWithPathEdit } from '@app/shared/shared-main'
import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap'
import { HTMLServerConfig, VideoConstant } from '@shared/models'
import { ServerService } from '../../../../core'
/**
* https://github.com/valor-software/ngx-bootstrap/issues/3825
* https://stackblitz.com/edit/angular-t5dfp7
* https://medium.com/@izzatnadiri/how-to-pass-data-to-and-receive-from-ng-bootstrap-modals-916f2ad5d66e
*/
@Component({
selector: 'my-video-caption-edit-modal-content',
styleUrls: [ './video-caption-edit-modal-content.component.scss' ],
templateUrl: './video-caption-edit-modal-content.component.html'
})
export class VideoCaptionEditModalContentComponent extends FormReactive implements OnInit {
@Input() videoCaption: VideoCaptionWithPathEdit
@Input() serverConfig: HTMLServerConfig
@Output() captionEdited = new EventEmitter<VideoCaptionEdit>()
@ViewChild('textarea', { static: true }) textarea!: ElementRef
videoCaptionLanguages: VideoConstant<string>[] = []
constructor (
protected openedModal: NgbActiveModal,
protected formReactiveService: FormReactiveService,
private videoCaptionService: VideoCaptionService,
private serverService: ServerService
) {
super()
}
ngOnInit () {
this.serverService.getVideoLanguages().subscribe(languages => this.videoCaptionLanguages = languages)
this.buildForm({ captionFileContent: VIDEO_CAPTION_FILE_CONTENT_VALIDATOR })
this.loadCaptionContent()
}
loadCaptionContent () {
const { captionPath } = this.videoCaption
if (!captionPath) return
this.videoCaptionService.getCaptionContent({ captionPath })
.subscribe(res => {
this.form.patchValue({
captionFileContent: res
})
this.resetTextarea()
})
}
resetTextarea () {
this.textarea.nativeElement.scrollTop = 0
this.textarea.nativeElement.selectionStart = 0
this.textarea.nativeElement.selectionEnd = 0
}
hide () {
this.openedModal.close()
}
cancel () {
this.hide()
}
updateCaption () {
const format = 'vtt'
const languageId = this.videoCaption.language.id
const languageObject = this.videoCaptionLanguages.find(l => l.id === languageId)
this.captionEdited.emit({
language: languageObject,
captionfile: new File([ this.form.value['captionFileContent'] ], `${languageId}.${format}`, {
type: 'text/vtt',
lastModified: Date.now()
}),
action: 'UPDATE'
})
this.hide()
}
}
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