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emoji_picker.js
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emoji_picker.js
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import { defineAsyncComponent } from 'vue'
import Checkbox from '../checkbox/checkbox.vue'
import Popover from 'src/components/popover/popover.vue'
import StillImage from '../still-image/still-image.vue'
import { ensureFinalFallback } from '../../i18n/languages.js'
import { library } from '@fortawesome/fontawesome-svg-core'
import {
faBoxOpen,
faStickyNote,
faSmileBeam,
faSmile,
faUser,
faPaw,
faIceCream,
faBus,
faBasketballBall,
faLightbulb,
faCode,
faFlag
} from '@fortawesome/free-solid-svg-icons'
import { debounce, trim, chunk } from 'lodash'
library.add(
faBoxOpen,
faStickyNote,
faSmileBeam,
faSmile,
faUser,
faPaw,
faIceCream,
faBus,
faBasketballBall,
faLightbulb,
faCode,
faFlag
)
const UNICODE_EMOJI_GROUP_ICON = {
'smileys-and-emotion': 'smile',
'people-and-body': 'user',
'animals-and-nature': 'paw',
'food-and-drink': 'ice-cream',
'travel-and-places': 'bus',
activities: 'basketball-ball',
objects: 'lightbulb',
symbols: 'code',
flags: 'flag'
}
const maybeLocalizedKeywords = (emoji, languages, nameLocalizer) => {
const res = [emoji.displayText, nameLocalizer(emoji)]
if (emoji.annotations) {
languages.forEach(lang => {
const keywords = emoji.annotations[lang]?.keywords || []
const name = emoji.annotations[lang]?.name
res.push(...(keywords.concat([name]).filter(k => k)))
})
}
return res
}
const filterByKeyword = (list, keyword = '', languages, nameLocalizer) => {
if (keyword === '') return list
const keywordLowercase = keyword.toLowerCase()
const orderedEmojiList = []
for (const emoji of list) {
const indices = maybeLocalizedKeywords(emoji, languages, nameLocalizer)
.map(k => k.toLowerCase().indexOf(keywordLowercase))
.filter(k => k > -1)
const indexOfKeyword = indices.length ? Math.min(...indices) : -1
if (indexOfKeyword > -1) {
if (!Array.isArray(orderedEmojiList[indexOfKeyword])) {
orderedEmojiList[indexOfKeyword] = []
}
orderedEmojiList[indexOfKeyword].push(emoji)
}
}
return orderedEmojiList.flat()
}
const getOffset = (elem) => {
const style = elem.style.transform
const res = /translateY\((\d+)px\)/.exec(style)
if (!res) { return 0 }
return res[1]
}
const toHeaderId = id => {
return id.replace(/^row-\d+-/, '')
}
const EmojiPicker = {
props: {
enableStickerPicker: {
required: false,
type: Boolean,
default: true
},
hideCustomEmoji: {
required: false,
type: Boolean,
default: false
}
},
inject: {
popoversZLayer: {
default: ''
}
},
data () {
return {
keyword: '',
activeGroup: 'custom',
showingStickers: false,
groupsScrolledClass: 'scrolled-top',
keepOpen: false,
customEmojiTimeout: null,
hideCustomEmojiInPicker: false,
// Lazy-load only after the first time `showing` becomes true.
contentLoaded: false,
groupRefs: {},
emojiRefs: {},
filteredEmojiGroups: [],
emojiSize: 0,
width: 0
}
},
components: {
StickerPicker: defineAsyncComponent(() => import('../sticker_picker/sticker_picker.vue')),
Checkbox,
StillImage,
Popover
},
methods: {
groupScroll (e) {
e.currentTarget.scrollLeft += e.deltaY + e.deltaX
},
updateEmojiSize () {
const css = window.getComputedStyle(this.$refs.popover.$el)
const fontSize = css.getPropertyValue('font-size') || '14px'
const emojiSize = css.getPropertyValue('--emojiSize') || '2.2rem'
const fontSizeUnit = fontSize.replace(/[0-9,.]+/, '')
const fontSizeValue = Number(fontSize.replace(/[^0-9,.]+/, ''))
const emojiSizeUnit = emojiSize.replace(/[0-9,.]+/, '')
const emojiSizeValue = Number(emojiSize.replace(/[^0-9,.]+/, ''))
let fontSizeMultiplier
if (fontSizeUnit.endsWith('em')) {
fontSizeMultiplier = fontSizeValue
} else {
fontSizeMultiplier = fontSizeValue / 14
}
let emojiSizeReal
if (emojiSizeUnit.endsWith('em')) {
emojiSizeReal = emojiSizeValue * fontSizeMultiplier * 14
} else {
emojiSizeReal = emojiSizeValue
}
const fullEmojiSize = emojiSizeReal + (2 * 0.2 * fontSizeMultiplier * 14)
this.emojiSize = fullEmojiSize
},
showPicker () {
this.$refs.popover.showPopover()
this.$nextTick(() => {
this.onShowing()
})
},
hidePicker () {
this.$refs.popover.hidePopover()
},
setAnchorEl (el) {
this.$refs.popover.setAnchorEl(el)
},
setGroupRef (name) {
return el => { this.groupRefs[name] = el }
},
onPopoverShown () {
this.$emit('show')
},
onPopoverClosed () {
this.$emit('close')
},
onStickerUploaded (e) {
this.$emit('sticker-uploaded', e)
},
onStickerUploadFailed (e) {
this.$emit('sticker-upload-failed', e)
},
onEmoji (emoji) {
const value = emoji.imageUrl ? `:${emoji.displayText}:` : emoji.replacement
if (!this.keepOpen) {
this.$refs.popover.hidePopover()
}
this.$emit('emoji', { insertion: value, insertionUrl: emoji.imageUrl, keepOpen: this.keepOpen })
},
onScroll (startIndex, endIndex, visibleStartIndex, visibleEndIndex) {
const target = this.$refs['emoji-groups'].$el
this.scrolledGroup(target, visibleStartIndex, visibleEndIndex)
},
scrolledGroup (target, start, end) {
const top = target.scrollTop + 5
this.$nextTick(() => {
this.emojiItems.slice(start, end + 1).forEach(group => {
const headerId = toHeaderId(group.id)
const ref = this.groupRefs['group-' + group.id]
if (!ref) { return }
const elem = ref.$el.parentElement
if (!elem) { return }
if (elem && getOffset(elem) <= top) {
this.activeGroup = headerId
}
})
this.scrollHeader()
})
},
scrollHeader () {
// Scroll the active tab's header into view
const headerRef = this.groupRefs['group-header-' + this.activeGroup]
const left = headerRef.offsetLeft
const right = left + headerRef.offsetWidth
const headerCont = this.$refs.header
const currentScroll = headerCont.scrollLeft
const currentScrollRight = currentScroll + headerCont.clientWidth
const setScroll = s => { headerCont.scrollLeft = s }
const margin = 7 // .emoji-tabs-item: padding
if (left - margin < currentScroll) {
setScroll(left - margin)
} else if (right + margin > currentScrollRight) {
setScroll(right + margin - headerCont.clientWidth)
}
},
highlight (groupId) {
this.setShowStickers(false)
const indexInList = this.emojiItems.findIndex(k => k.id === groupId)
this.$refs['emoji-groups'].scrollToItem(indexInList)
},
updateScrolledClass (target) {
if (target.scrollTop <= 5) {
this.groupsScrolledClass = 'scrolled-top'
} else if (target.scrollTop >= target.scrollTopMax - 5) {
this.groupsScrolledClass = 'scrolled-bottom'
} else {
this.groupsScrolledClass = 'scrolled-middle'
}
},
toggleStickers () {
this.showingStickers = !this.showingStickers
},
setShowStickers (value) {
this.showingStickers = value
},
filterByKeyword (list, keyword) {
return filterByKeyword(list, keyword, this.languages, this.maybeLocalizedEmojiName)
},
onShowing () {
const oldContentLoaded = this.contentLoaded
this.updateEmojiSize()
this.recalculateItemPerRow()
this.$nextTick(() => {
this.$refs.search.focus()
})
this.contentLoaded = true
this.filteredEmojiGroups = this.getFilteredEmojiGroups()
if (!oldContentLoaded) {
this.$nextTick(() => {
if (this.defaultGroup) {
this.highlight(this.defaultGroup)
}
})
}
},
getFilteredEmojiGroups () {
return this.allEmojiGroups
.map(group => ({
...group,
emojis: this.filterByKeyword(group.emojis, trim(this.keyword))
}))
.filter(group => group.emojis.length > 0)
},
recalculateItemPerRow () {
this.$nextTick(() => {
if (!this.$refs['emoji-groups']) {
return
}
this.width = this.$refs['emoji-groups'].$el.clientWidth
})
}
},
watch: {
keyword () {
this.onScroll()
this.debouncedHandleKeywordChange()
},
allCustomGroups () {
this.filteredEmojiGroups = this.getFilteredEmojiGroups()
}
},
computed: {
minItemSize () {
return this.emojiSize
},
// used to watch it
fontSize () {
this.$nextTick(() => {
this.updateEmojiSize()
})
return this.$store.getters.mergedConfig.fontSize
},
emojiHeight () {
return this.emojiSize
},
itemPerRow () {
return this.width ? Math.floor(this.width / this.emojiSize) : 6
},
activeGroupView () {
return this.showingStickers ? '' : this.activeGroup
},
stickersAvailable () {
if (this.$store.state.instance.stickers) {
return this.$store.state.instance.stickers.length > 0
}
return 0
},
allCustomGroups () {
if (this.hideCustomEmoji || this.hideCustomEmojiInPicker) {
return {}
}
const emojis = this.$store.getters.groupedCustomEmojis
if (emojis.unpacked) {
emojis.unpacked.text = this.$t('emoji.unpacked')
}
return emojis
},
defaultGroup () {
return Object.keys(this.allCustomGroups)[0]
},
unicodeEmojiGroups () {
return this.$store.getters.standardEmojiGroupList.map(group => ({
id: `standard-${group.id}`,
text: this.$t(`emoji.unicode_groups.${group.id}`),
icon: UNICODE_EMOJI_GROUP_ICON[group.id],
emojis: group.emojis
}))
},
allEmojiGroups () {
return Object.entries(this.allCustomGroups)
.map(([, v]) => v)
.concat(this.unicodeEmojiGroups)
},
stickerPickerEnabled () {
return (this.$store.state.instance.stickers || []).length !== 0
},
debouncedHandleKeywordChange () {
return debounce(() => {
this.filteredEmojiGroups = this.getFilteredEmojiGroups()
}, 500)
},
emojiItems () {
return this.filteredEmojiGroups.map(group =>
chunk(group.emojis, this.itemPerRow)
.map((items, index) => ({
...group,
id: index === 0 ? group.id : `row-${index}-${group.id}`,
emojis: items,
isFirstRow: index === 0
})))
.reduce((a, c) => a.concat(c), [])
},
languages () {
return ensureFinalFallback(this.$store.getters.mergedConfig.interfaceLanguage)
},
maybeLocalizedEmojiName () {
return emoji => {
if (!emoji.annotations) {
return emoji.displayText
}
if (emoji.displayTextI18n) {
return this.$t(emoji.displayTextI18n.key, emoji.displayTextI18n.args)
}
for (const lang of this.languages) {
if (emoji.annotations[lang]?.name) {
return emoji.annotations[lang].name
}
}
return emoji.displayText
}
},
isInModal () {
return this.popoversZLayer === 'modals'
}
}
}
export default EmojiPicker

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