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import { Component, forwardRef, Input } from '@angular/core'
import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms'
import { DomSanitizer, SafeResourceUrl } from '@angular/platform-browser'
import { ServerService } from '@app/core'
@Component({
selector: 'my-image-upload',
styleUrls: [ './image-upload.component.scss' ],
templateUrl: './image-upload.component.html',
providers: [
{
provide: NG_VALUE_ACCESSOR,
useExisting: forwardRef(() => ImageUploadComponent),
multi: true
}
]
})
export class ImageUploadComponent implements ControlValueAccessor {
@Input() inputLabel: string
@Input() inputName: string
@Input() previewWidth: string
@Input() previewHeight: string
imageSrc: SafeResourceUrl
private file: File
constructor (
private sanitizer: DomSanitizer,
private serverService: ServerService
) {}
get videoImageExtensions () {
return this.serverService.getConfig().video.image.extensions
}
get maxVideoImageSize () {
return this.serverService.getConfig().video.image.size.max
}
onFileChanged (file: File) {
this.file = file
this.propagateChange(this.file)
this.updatePreview()
}
propagateChange = (_: any) => { /* empty */ }
writeValue (file: any) {
this.file = file
this.updatePreview()
}
registerOnChange (fn: (_: any) => void) {
this.propagateChange = fn
}
registerOnTouched () {
// Unused
}
private updatePreview () {
if (this.file) {
const url = URL.createObjectURL(this.file)
this.imageSrc = this.sanitizer.bypassSecurityTrustResourceUrl(url)
}
}
}
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