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db400f44 | 1 | import { debounceTime, distinctUntilChanged } from 'rxjs/operators' |
2de96f4d C |
2 | import { Component, forwardRef, Input, OnInit } from '@angular/core' |
3 | import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms' | |
66b16caf | 4 | import { MarkdownService } from '@app/videos/shared' |
4d089429 | 5 | import { Subject } from 'rxjs' |
24a8e782 | 6 | import truncate from 'lodash-es/truncate' |
bbe0f064 | 7 | import { ScreenService } from '@app/shared/misc/screen.service' |
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8 | |
9 | @Component({ | |
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10 | selector: 'my-markdown-textarea', |
11 | templateUrl: './markdown-textarea.component.html', | |
12 | styleUrls: [ './markdown-textarea.component.scss' ], | |
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13 | providers: [ |
14 | { | |
15 | provide: NG_VALUE_ACCESSOR, | |
66b16caf | 16 | useExisting: forwardRef(() => MarkdownTextareaComponent), |
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17 | multi: true |
18 | } | |
19 | ] | |
20 | }) | |
21 | ||
66b16caf | 22 | export class MarkdownTextareaComponent implements ControlValueAccessor, OnInit { |
07fa4c97 | 23 | @Input() content = '' |
66b16caf C |
24 | @Input() classes: string[] = [] |
25 | @Input() textareaWidth = '100%' | |
26 | @Input() textareaHeight = '150px' | |
27 | @Input() previewColumn = false | |
28 | @Input() truncate: number | |
07fa4c97 | 29 | @Input() markdownType: 'text' | 'enhanced' = 'text' |
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30 | |
31 | textareaMarginRight = '0' | |
32 | flexDirection = 'column' | |
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33 | truncatedPreviewHTML = '' |
34 | previewHTML = '' | |
2de96f4d | 35 | |
07fa4c97 | 36 | private contentChanged = new Subject<string>() |
2de96f4d | 37 | |
bbe0f064 C |
38 | constructor ( |
39 | private screenService: ScreenService, | |
40 | private markdownService: MarkdownService | |
41 | ) {} | |
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42 | |
43 | ngOnInit () { | |
07fa4c97 | 44 | this.contentChanged |
db400f44 C |
45 | .pipe( |
46 | debounceTime(150), | |
47 | distinctUntilChanged() | |
48 | ) | |
49 | .subscribe(() => this.updatePreviews()) | |
2de96f4d | 50 | |
07fa4c97 | 51 | this.contentChanged.next(this.content) |
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52 | |
53 | if (this.previewColumn) { | |
54 | this.flexDirection = 'row' | |
55 | this.textareaMarginRight = '15px' | |
56 | } | |
2de96f4d C |
57 | } |
58 | ||
59 | propagateChange = (_: any) => { /* empty */ } | |
60 | ||
61 | writeValue (description: string) { | |
07fa4c97 | 62 | this.content = description |
2de96f4d | 63 | |
07fa4c97 | 64 | this.contentChanged.next(this.content) |
2de96f4d C |
65 | } |
66 | ||
67 | registerOnChange (fn: (_: any) => void) { | |
68 | this.propagateChange = fn | |
69 | } | |
70 | ||
71 | registerOnTouched () { | |
72 | // Unused | |
73 | } | |
74 | ||
75 | onModelChange () { | |
07fa4c97 | 76 | this.propagateChange(this.content) |
2de96f4d | 77 | |
07fa4c97 | 78 | this.contentChanged.next(this.content) |
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79 | } |
80 | ||
6693df9d | 81 | arePreviewsDisplayed () { |
bbe0f064 | 82 | return this.screenService.isInSmallView() === false |
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83 | } |
84 | ||
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85 | private updatePreviews () { |
86 | if (this.content === null || this.content === undefined) return | |
f595d394 | 87 | |
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88 | this.truncatedPreviewHTML = this.markdownRender(truncate(this.content, { length: this.truncate })) |
89 | this.previewHTML = this.markdownRender(this.content) | |
90 | } | |
91 | ||
92 | private markdownRender (text: string) { | |
93 | if (this.markdownType === 'text') return this.markdownService.textMarkdownToHTML(text) | |
94 | ||
95 | return this.markdownService.enhancedMarkdownToHTML(text) | |
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96 | } |
97 | } |