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1 | import { Component, forwardRef, Input, OnInit } from '@angular/core' | |
2 | import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms' | |
3 | import { ServerService } from '@app/core' | |
4 | import { imageToDataURL } from '@root-helpers/images' | |
5 | import { HTMLServerConfig } 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: string | |
27 | allowedExtensionsMessage = '' | |
28 | maxSizeText: string | |
29 | ||
30 | private serverConfig: HTMLServerConfig | |
31 | private bytesPipe: BytesPipe | |
32 | private file: Blob | |
33 | ||
34 | constructor ( | |
35 | private serverService: ServerService | |
36 | ) { | |
37 | this.bytesPipe = new BytesPipe() | |
38 | this.maxSizeText = $localize`max size` | |
39 | } | |
40 | ||
41 | get videoImageExtensions () { | |
42 | return this.serverConfig.video.image.extensions | |
43 | } | |
44 | ||
45 | get maxVideoImageSize () { | |
46 | return this.serverConfig.video.image.size.max | |
47 | } | |
48 | ||
49 | get maxVideoImageSizeInBytes () { | |
50 | return this.bytesPipe.transform(this.maxVideoImageSize) | |
51 | } | |
52 | ||
53 | getReactiveFileButtonTooltip () { | |
54 | return $localize`(extensions: ${this.videoImageExtensions}, ${this.maxSizeText}\: ${this.maxVideoImageSizeInBytes})` | |
55 | } | |
56 | ||
57 | ngOnInit () { | |
58 | this.serverConfig = this.serverService.getHTMLConfig() | |
59 | ||
60 | this.allowedExtensionsMessage = this.videoImageExtensions.join(', ') | |
61 | } | |
62 | ||
63 | onFileChanged (file: Blob) { | |
64 | this.file = file | |
65 | ||
66 | this.propagateChange(this.file) | |
67 | this.updatePreview() | |
68 | } | |
69 | ||
70 | propagateChange = (_: any) => { /* empty */ } | |
71 | ||
72 | writeValue (file: any) { | |
73 | this.file = file | |
74 | this.updatePreview() | |
75 | } | |
76 | ||
77 | registerOnChange (fn: (_: any) => void) { | |
78 | this.propagateChange = fn | |
79 | } | |
80 | ||
81 | registerOnTouched () { | |
82 | // Unused | |
83 | } | |
84 | ||
85 | private updatePreview () { | |
86 | if (this.file) { | |
87 | imageToDataURL(this.file).then(result => this.imageSrc = result) | |
88 | } | |
89 | } | |
90 | } |