Add comment form component
Signed-off-by: Julius Härtl <jus@bitgrid.net>
This commit is contained in:
Julius Härtl
190
src/components/card/CommentForm.vue
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190
src/components/card/CommentForm.vue
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<!--
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- @copyright Copyright (c) 2020 Julius Härtl <jus@bitgrid.net>
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-
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- @author Julius Härtl <jus@bitgrid.net>
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-
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- @license GNU AGPL version 3 or any later version
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-
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- This program is free software: you can redistribute it and/or modify
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- it under the terms of the GNU Affero General Public License as
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- published by the Free Software Foundation, either version 3 of the
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- License, or (at your option) any later version.
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-
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- This program is distributed in the hope that it will be useful,
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- but WITHOUT ANY WARRANTY; without even the implied warranty of
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- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- GNU Affero General Public License for more details.
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-
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- You should have received a copy of the GNU Affero General Public License
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- along with this program. If not, see <http://www.gnu.org/licenses/>.
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-
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-->
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<template>
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<div class="comment-form">
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<form @submit.prevent="submit">
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<At ref="at"
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v-model="commentText"
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:members="members"
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name-key="primaryKey"
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:tab-select="true">
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<template v-slot:item="s">
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<Avatar class="atwho-li--avatar" :user="s.item.uid" :size="24" />
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<span class="atwho-li--name" v-text="s.item.displayname" />
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</template>
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<template v-slot:embeddedItem="scope">
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<span>
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<UserBubble v-if="scope.current.primaryKey"
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:data-mention-id="scope.current.primaryKey"
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:user="scope.current.primaryKey"
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:display-name="scope.current.displayname" />
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</span>
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</template>
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<div ref="contentEditable"
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contenteditable
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@keydown.enter="handleKeydown"
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@paste="onPaste"
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@blur="error = null"
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@input="validate" />
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</At>
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<input v-tooltip="t('deck', 'Save')"
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class="icon-confirm"
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type="submit"
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value=""
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:disabled="commentText.length === null || error">
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<slot />
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</form>
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<p v-if="error">
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{{ error }}
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</p>
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</div>
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</template>
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<script>
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import { mapState } from 'vuex'
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import { UserBubble, Avatar } from '@nextcloud/vue'
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import At from 'vue-at'
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import { rawToParsed } from '../../helpers/mentions'
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export default {
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name: 'CommentForm',
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components: {
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At,
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Avatar,
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UserBubble,
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},
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props: {
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value: {
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type: String,
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default: '',
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},
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},
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data() {
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return {
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commentText: this.value,
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error: null,
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}
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},
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computed: {
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...mapState({
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currentBoard: state => state.currentBoard,
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}),
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members() {
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return this.currentBoard.users
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},
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},
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watch: {
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value(val) {
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this.commentText = val
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},
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},
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methods: {
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validate() {
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this.error = null
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const content = this.contentEditableToParsed()
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if (content.length === 0) {
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this.error = t('deck', 'The comment cannot be empty.')
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}
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if (content.length > 1000) {
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this.error = t('deck', 'The comment cannot be longer than 1000 characters.')
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}
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return this.error === null ? content : null
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},
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submit() {
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const content = this.validate()
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if (content) {
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this.$emit('input', content)
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this.$emit('submit', content)
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}
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},
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/**
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* All credits for this go to the talk app
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* https://github.com/nextcloud/spreed/blob/e69740b372e17eec4541337b47baa262a5766510/src/components/NewMessageForm/NewMessageForm.vue#L100-L143
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*/
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contentEditableToParsed() {
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if (!this.$refs.contentEditable) {
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return
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}
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const mentions = this.$refs.contentEditable.querySelectorAll('span[data-at-embedded]')
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mentions.forEach(mention => {
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// FIXME Adding a space after the mention should be improved to
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// do it or not based on the next element instead of always
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// adding it.
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mention.replaceWith(' @' + mention.firstElementChild.attributes['data-mention-id'].value + ' ')
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})
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return rawToParsed(this.$refs.contentEditable.innerHTML)
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},
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/**
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* Emits the submit event when enter is pressed (look
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* at the v-on in the template) unless shift is pressed:
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* in this case a new line will be created.
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*
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* @param {object} event the event object;
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*/
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handleKeydown(event) {
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// Prevent submit event when vue-at panel is open, as that should
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// just select the mention from the panel.
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if (this.atwho) {
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return
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}
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// TODO: add support for CTRL+ENTER new line
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if (!(event.shiftKey)) {
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event.preventDefault()
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this.submit()
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}
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},
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onPaste(e) {
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e.preventDefault()
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const text = e.clipboardData.getData('text/plain')
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document.execCommand('insertText', false, text)
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},
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},
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}
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</script>
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<style scoped lang="scss">
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@import "../../css/comments";
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.atwho-wrap {
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width: 100%;
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& > div[contenteditable] {
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width: 100%;
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&::v-deep > span > div {
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vertical-align: middle;
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}
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}
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}
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.comment-form::v-deep .atwho-li {
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height: 32px;
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}
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.atwho-li--avatar {
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margin-right: 10px;
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}
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</style>
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