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7b992a86 | 1 | import { Component, forwardRef, Input, OnInit } from '@angular/core' |
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2 | import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms' |
3 | import { DomSanitizer, SafeResourceUrl } from '@angular/platform-browser' | |
4 | import { ServerService } from '@app/core' | |
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5 | |
6 | @Component({ | |
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7 | selector: 'my-preview-upload', |
8 | styleUrls: [ './preview-upload.component.scss' ], | |
9 | templateUrl: './preview-upload.component.html', | |
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10 | providers: [ |
11 | { | |
12 | provide: NG_VALUE_ACCESSOR, | |
7b992a86 | 13 | useExisting: forwardRef(() => PreviewUploadComponent), |
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14 | multi: true |
15 | } | |
16 | ] | |
17 | }) | |
7b992a86 | 18 | export class PreviewUploadComponent implements OnInit, ControlValueAccessor { |
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19 | @Input() inputLabel: string |
20 | @Input() inputName: string | |
21 | @Input() previewWidth: string | |
22 | @Input() previewHeight: string | |
23 | ||
24 | imageSrc: SafeResourceUrl | |
7b992a86 | 25 | allowedExtensionsMessage = '' |
702785a5 | 26 | |
40e87e9e | 27 | private file: File |
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28 | |
29 | constructor ( | |
30 | private sanitizer: DomSanitizer, | |
40e87e9e | 31 | private serverService: ServerService |
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32 | ) {} |
33 | ||
34 | get videoImageExtensions () { | |
40e87e9e | 35 | return this.serverService.getConfig().video.image.extensions |
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36 | } |
37 | ||
38 | get maxVideoImageSize () { | |
39 | return this.serverService.getConfig().video.image.size.max | |
40 | } | |
41 | ||
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42 | ngOnInit () { |
43 | this.allowedExtensionsMessage = this.videoImageExtensions.join(', ') | |
44 | } | |
45 | ||
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46 | onFileChanged (file: File) { |
47 | this.file = file | |
0c237b19 | 48 | |
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49 | this.propagateChange(this.file) |
50 | this.updatePreview() | |
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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 | } |