]> git.immae.eu Git - github/Chocobozzz/PeerTube.git/blame - client/src/app/shared/shared-forms/markdown-textarea.component.ts
Fix HTML in account/channel description
[github/Chocobozzz/PeerTube.git] / client / src / app / shared / shared-forms / markdown-textarea.component.ts
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1import truncate from 'lodash-es/truncate'
2import { Subject } from 'rxjs'
db400f44 3import { debounceTime, distinctUntilChanged } from 'rxjs/operators'
2539932e 4import { ViewportScroller } from '@angular/common'
67ed6552 5import { Component, ElementRef, forwardRef, Input, OnInit, ViewChild } from '@angular/core'
2de96f4d 6import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms'
2539932e 7import { SafeHtml } from '@angular/platform-browser'
aa9cf3b9 8import { MarkdownService, ScreenService } from '@app/core'
9162fdd3 9import { Video } from '@shared/models'
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10
11@Component({
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12 selector: 'my-markdown-textarea',
13 templateUrl: './markdown-textarea.component.html',
14 styleUrls: [ './markdown-textarea.component.scss' ],
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15 providers: [
16 {
17 provide: NG_VALUE_ACCESSOR,
66b16caf 18 useExisting: forwardRef(() => MarkdownTextareaComponent),
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19 multi: true
20 }
21 ]
22})
23
66b16caf 24export class MarkdownTextareaComponent implements ControlValueAccessor, OnInit {
07fa4c97 25 @Input() content = ''
2539932e 26
3031971e 27 @Input() formError: string
2539932e 28
66b16caf 29 @Input() truncate: number
2539932e 30
07fa4c97 31 @Input() markdownType: 'text' | 'enhanced' = 'text'
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32 @Input() customMarkdownRenderer?: (text: string) => Promise<string | HTMLElement>
33
9162fdd3 34 @Input() markdownVideo: Video
2539932e 35
4ee6a8b1 36 @Input() name = 'description'
66b16caf 37
b15fe00f 38 @ViewChild('textarea') textareaElement: ElementRef
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39 @ViewChild('previewElement') previewElement: ElementRef
40
41 truncatedPreviewHTML: SafeHtml | string = ''
42 previewHTML: SafeHtml | string = ''
b15fe00f 43
b15fe00f 44 isMaximized = false
8d8a037e 45 disabled = false
2de96f4d 46
01d0147e 47 maximizeInText = $localize`Maximize editor`
48 maximizeOutText = $localize`Exit maximized editor`
49
07fa4c97 50 private contentChanged = new Subject<string>()
363726fe 51 private scrollPosition: [number, number]
2de96f4d 52
363726fe 53 constructor (
54 private viewportScroller: ViewportScroller,
aa9cf3b9 55 private screenService: ScreenService,
363726fe 56 private markdownService: MarkdownService
57 ) { }
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58
59 ngOnInit () {
07fa4c97 60 this.contentChanged
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61 .pipe(
62 debounceTime(150),
63 distinctUntilChanged()
64 )
65 .subscribe(() => this.updatePreviews())
2de96f4d 66
07fa4c97 67 this.contentChanged.next(this.content)
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68 }
69
70 propagateChange = (_: any) => { /* empty */ }
71
72 writeValue (description: string) {
07fa4c97 73 this.content = description
2de96f4d 74
07fa4c97 75 this.contentChanged.next(this.content)
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76 }
77
78 registerOnChange (fn: (_: any) => void) {
79 this.propagateChange = fn
80 }
81
82 registerOnTouched () {
83 // Unused
84 }
85
86 onModelChange () {
07fa4c97 87 this.propagateChange(this.content)
2de96f4d 88
07fa4c97 89 this.contentChanged.next(this.content)
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90 }
91
b15fe00f 92 onMaximizeClick () {
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93 if (this.disabled) return
94
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95 this.isMaximized = !this.isMaximized
96
97 // Make sure textarea have the focus
aa9cf3b9 98 // Except on touchscreens devices, the virtual keyboard may move up and hide the textarea in maximized mode
99 if (!this.screenService.isInTouchScreen()) {
100 this.textareaElement.nativeElement.focus()
101 }
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102
103 // Make sure the window has no scrollbars
104 if (!this.isMaximized) {
105 this.unlockBodyScroll()
106 } else {
107 this.lockBodyScroll()
108 }
109 }
110
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111 setDisabledState (isDisabled: boolean) {
112 this.disabled = isDisabled
113 }
114
b15fe00f 115 private lockBodyScroll () {
363726fe 116 this.scrollPosition = this.viewportScroller.getScrollPosition()
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117 document.getElementById('content').classList.add('lock-scroll')
118 }
119
120 private unlockBodyScroll () {
121 document.getElementById('content').classList.remove('lock-scroll')
363726fe 122 this.viewportScroller.scrollToPosition(this.scrollPosition)
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123 }
124
41d71344 125 private async updatePreviews () {
07fa4c97 126 if (this.content === null || this.content === undefined) return
f595d394 127
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128 this.truncatedPreviewHTML = await this.markdownRender(truncate(this.content, { length: this.truncate }))
129 this.previewHTML = await this.markdownRender(this.content)
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130 }
131
d68ebf0b 132 private async markdownRender (text: string) {
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133 let html: string
134
135 if (this.customMarkdownRenderer) {
136 const result = await this.customMarkdownRenderer(text)
137
138 if (result instanceof HTMLElement) {
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139 const wrapperElement = this.previewElement.nativeElement as HTMLElement
140 wrapperElement.innerHTML = ''
141 wrapperElement.appendChild(result)
142 return
143 }
144
145 html = result
146 } else if (this.markdownType === 'text') {
0e45e336 147 html = await this.markdownService.textMarkdownToHTML({ markdown: text })
2539932e 148 } else {
0e45e336 149 html = await this.markdownService.enhancedMarkdownToHTML({ markdown: text })
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150 }
151
152 if (this.markdownVideo) {
9162fdd3 153 html = this.markdownService.processVideoTimestamps(this.markdownVideo.shortUUID, html)
2539932e 154 }
07fa4c97 155
2539932e 156 return html
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157 }
158}