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702785a5 C |
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 | import 'rxjs/add/observable/forkJoin' | |
6 | ||
7 | @Component({ | |
8 | selector: 'my-video-image', | |
9 | styleUrls: [ './video-image.component.scss' ], | |
10 | templateUrl: './video-image.component.html', | |
11 | providers: [ | |
12 | { | |
13 | provide: NG_VALUE_ACCESSOR, | |
14 | useExisting: forwardRef(() => VideoImageComponent), | |
15 | multi: true | |
16 | } | |
17 | ] | |
18 | }) | |
19 | ||
20 | export class VideoImageComponent implements ControlValueAccessor { | |
21 | @Input() inputLabel: string | |
22 | @Input() inputName: string | |
23 | @Input() previewWidth: string | |
24 | @Input() previewHeight: string | |
25 | ||
26 | imageSrc: SafeResourceUrl | |
27 | ||
28 | private file: Blob | |
29 | ||
30 | constructor ( | |
31 | private sanitizer: DomSanitizer, | |
32 | private serverService: ServerService | |
33 | ) {} | |
34 | ||
35 | get videoImageExtensions () { | |
36 | return this.serverService.getConfig().video.image.extensions.join(',') | |
37 | } | |
38 | ||
39 | get maxVideoImageSize () { | |
40 | return this.serverService.getConfig().video.image.size.max | |
41 | } | |
42 | ||
43 | fileChange (event: any) { | |
44 | if (event.target.files && event.target.files.length) { | |
45 | const [ file ] = event.target.files | |
46 | ||
47 | this.file = file | |
48 | this.propagateChange(this.file) | |
49 | this.updatePreview() | |
50 | } | |
51 | } | |
52 | ||
53 | propagateChange = (_: any) => { /* empty */ } | |
54 | ||
55 | writeValue (file: any) { | |
56 | this.file = file | |
57 | this.updatePreview() | |
58 | } | |
59 | ||
60 | registerOnChange (fn: (_: any) => void) { | |
61 | this.propagateChange = fn | |
62 | } | |
63 | ||
64 | registerOnTouched () { | |
65 | // Unused | |
66 | } | |
67 | ||
68 | private updatePreview () { | |
69 | if (this.file) { | |
70 | const url = URL.createObjectURL(this.file) | |
71 | this.imageSrc = this.sanitizer.bypassSecurityTrustResourceUrl(url) | |
72 | } | |
73 | } | |
74 | } |