152 lines
4.6 KiB
JavaScript
152 lines
4.6 KiB
JavaScript
import Completion from '../../services/completion/completion.js'
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import { take, filter, map } from 'lodash'
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const AutoCompleteInput = {
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props: [
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'id',
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'classObj',
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'value',
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'placeholder',
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'autoResize',
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'multiline',
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'drop',
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'dragoverPrevent',
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'paste',
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'keydownMetaEnter',
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'keyupCtrlEnter'
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],
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components: {},
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mounted () {
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this.autoResize && this.resize(this.$refs.textarea)
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const textLength = this.$refs.textarea.value.length
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this.$refs.textarea.setSelectionRange(textLength, textLength)
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},
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data () {
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return {
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caret: 0,
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highlighted: 0,
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text: this.value
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}
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},
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computed: {
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users () {
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return this.$store.state.users.users
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},
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emoji () {
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return this.$store.state.instance.emoji || []
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},
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customEmoji () {
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return this.$store.state.instance.customEmoji || []
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},
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textAtCaret () {
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return (this.wordAtCaret || {}).word || ''
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},
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wordAtCaret () {
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const word = Completion.wordAtPosition(this.text, this.caret - 1) || {}
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return word
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},
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candidates () {
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const firstchar = this.textAtCaret.charAt(0)
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if (firstchar === '@') {
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const query = this.textAtCaret.slice(1).toUpperCase()
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const matchedUsers = filter(this.users, (user) => {
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return user.screen_name.toUpperCase().startsWith(query) ||
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user.name && user.name.toUpperCase().startsWith(query)
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})
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if (matchedUsers.length <= 0) {
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return false
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}
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// eslint-disable-next-line camelcase
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return map(take(matchedUsers, 5), ({screen_name, name, profile_image_url_original}, index) => ({
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// eslint-disable-next-line camelcase
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screen_name: `@${screen_name}`,
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name: name,
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img: profile_image_url_original,
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highlighted: index === this.highlighted
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}))
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} else if (firstchar === ':') {
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if (this.textAtCaret === ':') { return }
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const matchedEmoji = filter(this.emoji.concat(this.customEmoji), (emoji) => emoji.shortcode.startsWith(this.textAtCaret.slice(1)))
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if (matchedEmoji.length <= 0) {
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return false
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}
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return map(take(matchedEmoji, 5), ({shortcode, image_url, utf}, index) => ({
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screen_name: `:${shortcode}:`,
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name: '',
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utf: utf || '',
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// eslint-disable-next-line camelcase
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img: utf ? '' : this.$store.state.instance.server + image_url,
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highlighted: index === this.highlighted
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}))
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} else {
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return false
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}
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}
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},
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methods: {
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setCaret ({target: {selectionStart}}) {
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this.caret = selectionStart
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},
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cycleBackward (e) {
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const len = this.candidates.length || 0
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if (len > 0) {
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e.preventDefault()
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this.highlighted -= 1
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if (this.highlighted < 0) {
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this.highlighted = this.candidates.length - 1
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}
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} else {
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this.highlighted = 0
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}
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},
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cycleForward (e) {
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const len = this.candidates.length || 0
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if (len > 0) {
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if (e.shiftKey) { return }
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e.preventDefault()
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this.highlighted += 1
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if (this.highlighted >= len) {
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this.highlighted = 0
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}
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} else {
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this.highlighted = 0
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}
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},
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replace (replacement) {
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this.text = Completion.replaceWord(this.text, this.wordAtCaret, replacement)
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const el = this.$el.querySelector('textarea')
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el.focus()
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this.caret = 0
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},
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replaceCandidate (e) {
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const len = this.candidates.length || 0
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if (this.textAtCaret === ':' || e.ctrlKey) { return }
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if (len > 0) {
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e.preventDefault()
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const candidate = this.candidates[this.highlighted]
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const replacement = candidate.utf || (candidate.screen_name + ' ')
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this.text = Completion.replaceWord(this.text, this.wordAtCaret, replacement)
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this.$emit('input', this.text)
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const el = this.$el.querySelector('textarea') || this.$el.querySelector('input')
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el.focus()
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this.caret = 0
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this.highlighted = 0
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}
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},
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resize (e) {
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const target = e.target || e
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if (!(target instanceof window.Element)) { return }
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const vertPadding = Number(window.getComputedStyle(target)['padding-top'].substr(0, 1)) +
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Number(window.getComputedStyle(target)['padding-bottom'].substr(0, 1))
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// Auto is needed to make textbox shrink when removing lines
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target.style.height = 'auto'
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target.style.height = `${target.scrollHeight - vertPadding}px`
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if (target.value === '') {
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target.style.height = null
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}
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}
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}
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}
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export default AutoCompleteInput
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