koel/resources/assets/js/utils/common.ts
2022-04-19 22:53:36 +02:00

111 lines
3 KiB
TypeScript

import select from 'select'
import { eventBus, noop, pluralize } from '@/utils'
import defaultCover from '@/../img/covers/unknown-album.png'
/**
* Load (display) a main panel (view).
*
* @param view
* @param {...*} args Extra data to attach to the view.
*/
export const loadMainView = (view: MainViewName, ...args: any[]): void => {
eventBus.emit('LOAD_MAIN_CONTENT', view, ...args)
}
/**
* Force reloading window regardless of "Confirm before reload" setting.
* This is handy for certain cases, for example Last.fm connect/disconnect.
*/
export const forceReloadWindow = (): void => {
if (window.__UNIT_TESTING__) {
return
}
window.onbeforeunload = noop
window.location.reload()
}
export const showOverlay = (message = 'Just a little patience…', type = 'loading', dismissible = false) => {
eventBus.emit('SHOW_OVERLAY', { message, type, dismissible })
}
export const hideOverlay = (): void => {
eventBus.emit('HIDE_OVERLAY')
}
export const copyText = (text: string): void => {
let copyArea = document.querySelector<HTMLTextAreaElement>('#copyArea')
if (!copyArea) {
copyArea = document.createElement('textarea')
copyArea.id = 'copyArea'
document.body.appendChild(copyArea)
}
copyArea.style.top = `${window.scrollY || document.documentElement.scrollTop}px`
copyArea.value = text
select(copyArea)
document.execCommand('copy')
}
export const getDefaultCover = () => defaultCover
const createGhostDragImage = (event: DragEvent, text: string): void => {
if (!event.dataTransfer) {
return
}
let dragGhost = document.querySelector<HTMLElement>('#dragGhost')
if (!dragGhost) {
// Create the element to be the ghost drag image.
dragGhost = document.createElement('div')
dragGhost.id = 'dragGhost'
document.body.appendChild(dragGhost)
}
dragGhost.innerText = text
event.dataTransfer.setDragImage(dragGhost, 0, 0)
}
/**
* Handle song/album/artist drag start event.
*/
export const startDragging = (event: DragEvent, dragged: Song | Song[] | Album | Artist, type: DragType): void => {
if (!event.dataTransfer) {
return
}
let text
let songIds
switch (type) {
case 'Song':
dragged = (<Song[]>[]).concat(<Song>dragged)
text = dragged.length === 1
? `${dragged[0].title} by ${dragged[0].artist.name}`
: pluralize(dragged.length, 'song')
songIds = dragged.map(song => song.id)
break
case 'Album':
dragged = <Album>dragged
text = `All ${pluralize(dragged.songs.length, 'song')} in ${dragged.name}`
songIds = dragged.songs.map(song => song.id)
break
case 'Artist':
dragged = <Artist>dragged
text = `All ${pluralize(dragged.songs.length, 'song')} by ${dragged.name}`
songIds = dragged.songs.map(song => song.id)
break
default:
throw Error(`Invalid drag type: ${type}`)
}
event.dataTransfer.setData('application/x-koel.text+plain', songIds.join(','))
event.dataTransfer.effectAllowed = 'move'
createGhostDragImage(event, text)
}