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<!--
- @copyright Copyright (c) 2020 Julius Härtl <jus@bitgrid.net>
-
- @author Julius Härtl <jus@bitgrid.net>
-
- @license GNU AGPL version 3 or any later version
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU Affero General Public License as
- published by the Free Software Foundation, either version 3 of the
- License, or (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Affero General Public License for more details.
-
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-->
<template>
<div class="comment-form">
<form @submit.prevent="submit">
<At ref="at"
v-model="commentText"
:members="members"
name-key="displayname"
:tab-select="true">
<template #item="s">
<NcAvatar class="atwho-li--avatar" :user="s.item.uid" :size="24" />
<span class="atwho-li--name" v-text="s.item.displayname" />
</template>
<template #embeddedItem="scope">
<span>
<NcUserBubble v-if="scope.current.uid"
:data-mention-id="scope.current.uid"
:user="scope.current.uid"
:display-name="scope.current.displayname" />
</span>
</template>
<div ref="contentEditable"
class="comment-form__contenteditable"
contenteditable
@keydown.enter="handleKeydown"
@paste="onPaste"
@blur="error = null"
@input="validate()" />
</At>
<input v-tooltip="t('deck', 'Save')"
class="icon-confirm"
type="submit"
value=""
:disabled="commentText.length === null || error">
<slot />
</form>
<p v-if="error">
{{ error }}
</p>
</div>
</template>
<script>
import { mapState } from 'vuex'
import { NcUserBubble, NcAvatar } from '@nextcloud/vue'
import At from 'vue-at'
import { rawToParsed } from '../../helpers/mentions.js'
export default {
name: 'CommentForm',
components: {
At,
NcAvatar,
NcUserBubble,
},
props: {
value: {
type: String,
default: '',
},
},
data() {
return {
commentText: this.value,
error: null,
}
},
computed: {
...mapState({
currentBoard: state => state.currentBoard,
}),
members() {
return this.currentBoard.users
},
},
watch: {
value(val) {
this.commentText = val
},
},
methods: {
validate(submit) {
this.error = null
const content = this.contentEditableToParsed()
if (submit && content.length === 0) {
this.error = t('deck', 'The comment cannot be empty.')
}
if (content.length > 1000) {
this.error = t('deck', 'The comment cannot be longer than 1000 characters.')
}
return this.error === null ? content : null
},
submit() {
const content = this.validate(true)
if (content) {
this.$emit('input', content)
this.$emit('submit', content)
}
},
/* All credits for this go to the talk app
* https://github.com/nextcloud/spreed/blob/e69740b372e17eec4541337b47baa262a5766510/src/components/NewMessageForm/NewMessageForm.vue#L100-L143
*/
contentEditableToParsed() {
if (!this.$refs.contentEditable) {
return
}
const node = this.$refs.contentEditable.cloneNode(true)
const mentions = node.querySelectorAll('span[data-at-embedded]')
mentions.forEach(mention => {
// FIXME Adding a space after the mention should be improved to
// do it or not based on the next element instead of always
// adding it.
// FIXME user names can contain spaces, in that case they need to be wrapped @"user name" [a-zA-Z0-9\ _\.@\-']+
const mentionValue = mention.firstElementChild.attributes['data-mention-id'].value
if (mentionValue.indexOf(' ') !== -1) {
mention.replaceWith(' @"' + mentionValue + '" ')
} else {
mention.replaceWith(' @' + mentionValue + ' ')
}
})
return rawToParsed(node.innerHTML)
},
/**
* Emits the submit event when enter is pressed (look
* at the v-on in the template) unless shift is pressed:
* in this case a new line will be created.
*
* @param {object} event the event object;
*/
handleKeydown(event) {
// Prevent submit event when vue-at panel is open, as that should
// just select the mention from the panel.
if (this.atwho) {
return
}
// TODO: add support for CTRL+ENTER new line
if (!(event.shiftKey)) {
event.preventDefault()
this.submit()
}
},
onPaste(e) {
e.preventDefault()
const text = e.clipboardData.getData('text/plain')
document.execCommand('insertText', false, text)
},
},
}
</script>
<style scoped lang="scss">
@import '../../css/comments';
.comment-form__contenteditable {
word-break: break-word;
border-radius: var(--border-radius-large)
}
.atwho-wrap {
width: 100%;
& > div[contenteditable] {
width: 100%;
&:deep > span > div {
vertical-align: middle;
}
}
}
.comment-form:deep(.atwho-li) {
height: 32px;
}
.atwho-li--avatar {
margin-right: 10px;
}
</style>
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