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1 | import { Component, forwardRef, Input } from '@angular/core' | |
2 | import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms' | |
3 | import { DomSanitizer, SafeResourceUrl } from '@angular/platform-browser' | |
4 | import { ServerService } from '@app/core' | |
5 | ||
6 | @Component({ | |
7 | selector: 'my-video-image', | |
8 | styleUrls: [ './video-image.component.scss' ], | |
9 | templateUrl: './video-image.component.html', | |
10 | providers: [ | |
11 | { | |
12 | provide: NG_VALUE_ACCESSOR, | |
13 | useExisting: forwardRef(() => VideoImageComponent), | |
14 | multi: true | |
15 | } | |
16 | ] | |
17 | }) | |
18 | export class VideoImageComponent implements ControlValueAccessor { | |
19 | @Input() inputLabel: string | |
20 | @Input() inputName: string | |
21 | @Input() previewWidth: string | |
22 | @Input() previewHeight: string | |
23 | ||
24 | imageSrc: SafeResourceUrl | |
25 | ||
26 | private file: File | |
27 | ||
28 | constructor ( | |
29 | private sanitizer: DomSanitizer, | |
30 | private serverService: ServerService | |
31 | ) {} | |
32 | ||
33 | get videoImageExtensions () { | |
34 | return this.serverService.getConfig().video.image.extensions | |
35 | } | |
36 | ||
37 | get maxVideoImageSize () { | |
38 | return this.serverService.getConfig().video.image.size.max | |
39 | } | |
40 | ||
41 | onFileChanged (file: File) { | |
42 | this.file = file | |
43 | ||
44 | this.propagateChange(this.file) | |
45 | this.updatePreview() | |
46 | } | |
47 | ||
48 | propagateChange = (_: any) => { /* empty */ } | |
49 | ||
50 | writeValue (file: any) { | |
51 | this.file = file | |
52 | this.updatePreview() | |
53 | } | |
54 | ||
55 | registerOnChange (fn: (_: any) => void) { | |
56 | this.propagateChange = fn | |
57 | } | |
58 | ||
59 | registerOnTouched () { | |
60 | // Unused | |
61 | } | |
62 | ||
63 | private updatePreview () { | |
64 | if (this.file) { | |
65 | const url = URL.createObjectURL(this.file) | |
66 | this.imageSrc = this.sanitizer.bypassSecurityTrustResourceUrl(url) | |
67 | } | |
68 | } | |
69 | } |