diff options
Diffstat (limited to 'client/src/app/shared/forms/reactive-file.component.ts')
-rw-r--r-- | client/src/app/shared/forms/reactive-file.component.ts | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/client/src/app/shared/forms/reactive-file.component.ts b/client/src/app/shared/forms/reactive-file.component.ts new file mode 100644 index 000000000..f5758b643 --- /dev/null +++ b/client/src/app/shared/forms/reactive-file.component.ts | |||
@@ -0,0 +1,75 @@ | |||
1 | import { Component, EventEmitter, forwardRef, Input, OnInit, Output } from '@angular/core' | ||
2 | import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms' | ||
3 | import { NotificationsService } from 'angular2-notifications' | ||
4 | import { I18n } from '@ngx-translate/i18n-polyfill' | ||
5 | |||
6 | @Component({ | ||
7 | selector: 'my-reactive-file', | ||
8 | styleUrls: [ './reactive-file.component.scss' ], | ||
9 | templateUrl: './reactive-file.component.html', | ||
10 | providers: [ | ||
11 | { | ||
12 | provide: NG_VALUE_ACCESSOR, | ||
13 | useExisting: forwardRef(() => ReactiveFileComponent), | ||
14 | multi: true | ||
15 | } | ||
16 | ] | ||
17 | }) | ||
18 | export class ReactiveFileComponent implements OnInit, ControlValueAccessor { | ||
19 | @Input() inputLabel: string | ||
20 | @Input() inputName: string | ||
21 | @Input() extensions: string[] = [] | ||
22 | @Input() maxFileSize: number | ||
23 | @Input() displayFilename = false | ||
24 | |||
25 | @Output() fileChanged = new EventEmitter<Blob>() | ||
26 | |||
27 | allowedExtensionsMessage = '' | ||
28 | |||
29 | private file: File | ||
30 | |||
31 | constructor ( | ||
32 | private notificationsService: NotificationsService, | ||
33 | private i18n: I18n | ||
34 | ) {} | ||
35 | |||
36 | get filename () { | ||
37 | if (!this.file) return '' | ||
38 | |||
39 | return this.file.name | ||
40 | } | ||
41 | |||
42 | ngOnInit () { | ||
43 | this.allowedExtensionsMessage = this.extensions.join(', ') | ||
44 | } | ||
45 | |||
46 | fileChange (event: any) { | ||
47 | if (event.target.files && event.target.files.length) { | ||
48 | const [ file ] = event.target.files | ||
49 | |||
50 | if (file.size > this.maxFileSize) { | ||
51 | this.notificationsService.error(this.i18n('Error'), this.i18n('This file is too large.')) | ||
52 | return | ||
53 | } | ||
54 | |||
55 | this.file = file | ||
56 | |||
57 | this.propagateChange(this.file) | ||
58 | this.fileChanged.emit(this.file) | ||
59 | } | ||
60 | } | ||
61 | |||
62 | propagateChange = (_: any) => { /* empty */ } | ||
63 | |||
64 | writeValue (file: any) { | ||
65 | this.file = file | ||
66 | } | ||
67 | |||
68 | registerOnChange (fn: (_: any) => void) { | ||
69 | this.propagateChange = fn | ||
70 | } | ||
71 | |||
72 | registerOnTouched () { | ||
73 | // Unused | ||
74 | } | ||
75 | } | ||