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1 | import { Component, forwardRef, Input, OnInit } 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 { ServerConfig } from '@shared/models' | |
6 | import { BytesPipe } from '../shared-main' | |
7 | ||
8 | @Component({ | |
9 | selector: 'my-preview-upload', | |
10 | styleUrls: [ './preview-upload.component.scss' ], | |
11 | templateUrl: './preview-upload.component.html', | |
12 | providers: [ | |
13 | { | |
14 | provide: NG_VALUE_ACCESSOR, | |
15 | useExisting: forwardRef(() => PreviewUploadComponent), | |
16 | multi: true | |
17 | } | |
18 | ] | |
19 | }) | |
20 | export class PreviewUploadComponent implements OnInit, ControlValueAccessor { | |
21 | @Input() inputLabel: string | |
22 | @Input() inputName: string | |
23 | @Input() previewWidth: string | |
24 | @Input() previewHeight: string | |
25 | ||
26 | imageSrc: SafeResourceUrl | |
27 | allowedExtensionsMessage = '' | |
28 | maxSizeText: string | |
29 | ||
30 | private serverConfig: ServerConfig | |
31 | private bytesPipe: BytesPipe | |
32 | private file: Blob | |
33 | ||
34 | constructor ( | |
35 | private sanitizer: DomSanitizer, | |
36 | private serverService: ServerService | |
37 | ) { | |
38 | this.bytesPipe = new BytesPipe() | |
39 | this.maxSizeText = $localize`max size` | |
40 | } | |
41 | ||
42 | get videoImageExtensions () { | |
43 | return this.serverConfig.video.image.extensions | |
44 | } | |
45 | ||
46 | get maxVideoImageSize () { | |
47 | return this.serverConfig.video.image.size.max | |
48 | } | |
49 | ||
50 | get maxVideoImageSizeInBytes () { | |
51 | return this.bytesPipe.transform(this.maxVideoImageSize) | |
52 | } | |
53 | ||
54 | ngOnInit () { | |
55 | this.serverConfig = this.serverService.getTmpConfig() | |
56 | this.serverService.getConfig() | |
57 | .subscribe(config => this.serverConfig = config) | |
58 | ||
59 | this.allowedExtensionsMessage = this.videoImageExtensions.join(', ') | |
60 | } | |
61 | ||
62 | onFileChanged (file: Blob) { | |
63 | this.file = file | |
64 | ||
65 | this.propagateChange(this.file) | |
66 | this.updatePreview() | |
67 | } | |
68 | ||
69 | propagateChange = (_: any) => { /* empty */ } | |
70 | ||
71 | writeValue (file: any) { | |
72 | this.file = file | |
73 | this.updatePreview() | |
74 | } | |
75 | ||
76 | registerOnChange (fn: (_: any) => void) { | |
77 | this.propagateChange = fn | |
78 | } | |
79 | ||
80 | registerOnTouched () { | |
81 | // Unused | |
82 | } | |
83 | ||
84 | private updatePreview () { | |
85 | if (this.file) { | |
86 | const url = URL.createObjectURL(this.file) | |
87 | this.imageSrc = this.sanitizer.bypassSecurityTrustResourceUrl(url) | |
88 | } | |
89 | } | |
90 | } |