1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
import { Subject, Subscription } from 'rxjs'
import { CdkDragDrop } from '@angular/cdk/drag-drop'
import { Component, OnDestroy, OnInit } from '@angular/core'
import { ActivatedRoute } from '@angular/router'
import { ComponentPagination, Notifier, ScreenService } from '@app/core'
import { VideoPlaylist, VideoPlaylistElement, VideoPlaylistService } from '@app/shared/shared-video-playlist'
@Component({
selector: 'my-account-video-playlist-elements',
templateUrl: './my-account-video-playlist-elements.component.html',
styleUrls: [ './my-account-video-playlist-elements.component.scss' ]
})
export class MyAccountVideoPlaylistElementsComponent implements OnInit, OnDestroy {
playlistElements: VideoPlaylistElement[] = []
playlist: VideoPlaylist
pagination: ComponentPagination = {
currentPage: 1,
itemsPerPage: 10,
totalItems: null
}
onDataSubject = new Subject<any[]>()
private videoPlaylistId: string | number
private paramsSub: Subscription
constructor (
private notifier: Notifier,
private route: ActivatedRoute,
private screenService: ScreenService,
private videoPlaylistService: VideoPlaylistService
) {}
ngOnInit () {
this.paramsSub = this.route.params.subscribe(routeParams => {
this.videoPlaylistId = routeParams[ 'videoPlaylistId' ]
this.loadElements()
this.loadPlaylistInfo()
})
}
ngOnDestroy () {
if (this.paramsSub) this.paramsSub.unsubscribe()
}
drop (event: CdkDragDrop<any>) {
const previousIndex = event.previousIndex
const newIndex = event.currentIndex
if (previousIndex === newIndex) return
const oldPosition = this.playlistElements[previousIndex].position
let insertAfter = this.playlistElements[newIndex].position
if (oldPosition > insertAfter) insertAfter--
const element = this.playlistElements[previousIndex]
this.playlistElements.splice(previousIndex, 1)
this.playlistElements.splice(newIndex, 0, element)
this.videoPlaylistService.reorderPlaylist(this.playlist.id, oldPosition, insertAfter)
.subscribe(
() => {
this.reorderClientPositions()
},
err => this.notifier.error(err.message)
)
}
onElementRemoved (element: VideoPlaylistElement) {
const oldFirst = this.findFirst()
this.playlistElements = this.playlistElements.filter(v => v.id !== element.id)
this.reorderClientPositions(oldFirst)
}
onNearOfBottom () {
// Last page
if (this.pagination.totalItems <= (this.pagination.currentPage * this.pagination.itemsPerPage)) return
this.pagination.currentPage += 1
this.loadElements()
}
trackByFn (index: number, elem: VideoPlaylistElement) {
return elem.id
}
/**
* Returns null to not have drag and drop delay.
* In small views, where elements are about 100% wide,
* we add a delay to prevent unwanted drag&drop.
*
* @see {@link https://github.com/Chocobozzz/PeerTube/issues/2078}
*
* @returns {null|number} Null for no delay, or a number in milliseconds.
*/
getDragStartDelay (): null | number {
if (this.screenService.isInTouchScreen()) {
return 500
}
return null
}
private loadElements () {
this.videoPlaylistService.getPlaylistVideos(this.videoPlaylistId, this.pagination)
.subscribe(({ total, data }) => {
this.playlistElements = this.playlistElements.concat(data)
this.pagination.totalItems = total
this.onDataSubject.next(data)
})
}
private loadPlaylistInfo () {
this.videoPlaylistService.getVideoPlaylist(this.videoPlaylistId)
.subscribe(playlist => {
this.playlist = playlist
})
}
private reorderClientPositions (first?: VideoPlaylistElement) {
if (this.playlistElements.length === 0) return
const oldFirst = first || this.findFirst()
let i = 1
for (const element of this.playlistElements) {
element.position = i
i++
}
// Reload playlist thumbnail if the first element changed
const newFirst = this.findFirst()
if (oldFirst && newFirst && oldFirst.id !== newFirst.id) {
this.playlist.refreshThumbnail()
}
}
private findFirst () {
return this.playlistElements.find(e => e.position === 1)
}
}
|
