437 lines
11 KiB
Vue
437 lines
11 KiB
Vue
<!--
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- @copyright Copyright (c) 2020 John Molakvoæ <skjnldsv@protonmail.com>
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-
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- @author John Molakvoæ <skjnldsv@protonmail.com>
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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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<Question
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v-bind.sync="$attrs"
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:text="text"
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:mandatory="mandatory"
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:edit.sync="edit"
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:read-only="readOnly"
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:max-question-length="maxStringLengths.questionText"
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:title-placeholder="answerType.titlePlaceholder"
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:warning-invalid="answerType.warningInvalid"
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:content-valid="contentValid"
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:shift-drag-handle="shiftDragHandle"
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@update:text="onTitleChange"
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@update:mandatory="onMandatoryChange"
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@delete="onDelete">
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<ul class="question__content">
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<template v-for="(answer, index) in options">
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<li v-if="!edit"
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:key="answer.id"
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class="question__item"
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:class="{'question__item--last': (index === options.length-1),}">
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<!-- Answer radio/checkbox + label -->
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<!-- TODO: migrate to radio/checkbox component once available -->
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<input :id="`${id}-answer-${answer.id}`"
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ref="checkbox"
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:aria-checked="isChecked(answer.id)"
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:checked="isChecked(answer.id)"
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:class="{
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'radio question__radio': isUnique,
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'checkbox question__checkbox': !isUnique,
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}"
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:name="`${id}-answer`"
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:required="isRequired(answer.id)"
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:type="isUnique ? 'radio' : 'checkbox'"
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@change="onChange($event, answer.id)"
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@keydown.enter.exact.prevent="onKeydownEnter">
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<label v-if="!edit"
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ref="label"
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:for="`${id}-answer-${answer.id}`"
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class="question__label">{{ answer.text }}</label>
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</li>
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<!-- Answer text input edit -->
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<AnswerInput v-else
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:key="index /* using index to keep the same vnode after new answer creation */"
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ref="input"
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:answer="answer"
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:index="index"
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:is-unique="isUnique"
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:is-dropdown="false"
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:max-option-length="maxStringLengths.optionText"
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@add="addNewEntry"
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@delete="deleteOption"
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@update:answer="updateAnswer" />
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</template>
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<li v-if="(edit && !isLastEmpty) || hasNoAnswer" class="question__item">
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<div class="question__item__pseudoInput" :class="{'question__item__pseudoInput--unique':isUnique}" />
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<input ref="inputNewAnswer"
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:aria-label="t('forms', 'Add a new answer')"
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:placeholder="t('forms', 'Add a new answer')"
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class="question__input"
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:maxlength="maxStringLengths.optionText"
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minlength="1"
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type="text"
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@click="addNewEntry"
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@focus="addNewEntry">
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</li>
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</ul>
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</Question>
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</template>
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<script>
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import { generateUrl } from '@nextcloud/router'
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import { showError } from '@nextcloud/dialogs'
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import axios from '@nextcloud/axios'
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import AnswerInput from './AnswerInput'
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import QuestionMixin from '../../mixins/QuestionMixin'
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import GenRandomId from '../../utils/GenRandomId'
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// Implementations docs
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// https://www.w3.org/TR/2016/WD-wai-aria-practices-1.1-20160317/examples/radio/radio.html
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// https://www.w3.org/TR/2016/WD-wai-aria-practices-1.1-20160317/examples/checkbox/checkbox-2.html
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export default {
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name: 'QuestionMultiple',
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components: {
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AnswerInput,
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},
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mixins: [QuestionMixin],
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computed: {
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contentValid() {
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return this.answerType.validate(this)
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},
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isLastEmpty() {
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const value = this.options[this.options.length - 1]
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return value?.text?.trim().length === 0
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},
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isUnique() {
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return this.answerType.unique === true
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},
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hasNoAnswer() {
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return this.options.length === 0
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},
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areNoneChecked() {
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return this.values.length === 0
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},
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shiftDragHandle() {
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return this.edit && this.options.length !== 0 && !this.isLastEmpty
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},
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},
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watch: {
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edit(edit) {
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// When leaving edit mode, filter and delete empty options
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if (!edit) {
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const options = this.options.filter(option => {
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if (!option.text) {
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this.deleteOptionFromDatabase(option)
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return false
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}
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return true
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})
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// update parent
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this.updateOptions(options)
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} else {
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// If edit becomes true by tabbing to last element, focus newAnswer-input
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if (document.activeElement?.parentNode?.classList.contains('question__item--last')) {
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this.$nextTick(() => {
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if (this.$refs.inputNewAnswer) {
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this.$refs.inputNewAnswer.focus()
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}
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})
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}
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}
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},
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},
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methods: {
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onChange(event, answerId) {
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const isChecked = event.target.checked === true
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let values = this.values.slice()
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// Radio
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if (this.isUnique) {
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this.$emit('update:values', [answerId])
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return
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}
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// Checkbox
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if (isChecked) {
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values.push(answerId)
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} else {
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values = values.filter(id => id !== answerId)
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}
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// Emit values and remove duplicates
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this.$emit('update:values', [...new Set(values)])
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},
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/**
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* Is the provided answer checked ?
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* @param {number} id the answer id
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* @returns {boolean}
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*/
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isChecked(id) {
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return this.values.indexOf(id) > -1
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},
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/**
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* Is the provided answer required ?
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* This is needed for checkboxes as html5
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* doesn't allow to require at least ONE checked.
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* So we require the one that are checked or all
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* if none are checked yet.
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* @param {number} id the answer id
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* @returns {boolean}
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*/
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isRequired(id) {
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// false, if question not mandatory
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if (!this.mandatory) {
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return false
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}
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// true for Radiobuttons
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if (this.isUnique) {
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return true
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}
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// For checkboxes, only required if no other is checked
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return this.areNoneChecked
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},
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/**
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* Update the options
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* @param {Array} options options to change
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*/
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updateOptions(options) {
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this.$emit('update:options', options)
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},
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/**
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* Update an existing answer locally
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*
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* @param {string|number} id the answer id
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* @param {Object} answer the answer to update
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*/
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updateAnswer(id, answer) {
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const options = this.options.slice()
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const answerIndex = options.findIndex(option => option.id === id)
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options[answerIndex] = answer
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this.updateOptions(options)
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},
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/**
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* Add a new empty answer locally
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*/
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addNewEntry() {
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// If entering from non-edit-mode (possible by click), activate edit-mode
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this.edit = true
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// Add local entry
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const options = this.options.slice()
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options.push({
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id: GenRandomId(),
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question_id: this.id,
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text: '',
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local: true,
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})
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// Update question
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this.updateOptions(options)
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this.$nextTick(() => {
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this.focusIndex(options.length - 1)
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})
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},
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/**
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* Restore an option locally
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*
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* @param {Object} option the option
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* @param {number} index the options index in this.options
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*/
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restoreOption(option, index) {
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const options = this.options.slice()
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options.splice(index, 0, option)
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this.updateOptions(options)
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this.focusIndex(index)
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},
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/**
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* Delete an option
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*
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* @param {number} id the options id
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*/
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deleteOption(id) {
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const options = this.options.slice()
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const optionIndex = options.findIndex(option => option.id === id)
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if (options.length === 1) {
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// Clear Text, but don't remove. Will be removed, when leaving edit-mode
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options[0].text = ''
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} else {
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// Remove entry
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const option = Object.assign({}, this.options[optionIndex])
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// delete locally
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options.splice(optionIndex, 1)
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// delete from Db
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this.deleteOptionFromDatabase(option)
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}
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// Update question
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this.updateOptions(options)
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this.$nextTick(() => {
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this.focusIndex(optionIndex - 1)
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})
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},
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/**
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* Delete the option from Db in background.
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* Restore option if delete not possible
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*
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* @param {Object} option The option to delete
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*/
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deleteOptionFromDatabase(option) {
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const optionIndex = this.options.findIndex(opt => opt.id === option.id)
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if (!option.local) {
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// let's not await, deleting in background
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axios.delete(generateUrl('/apps/forms/api/v1/option/{id}', { id: option.id }))
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.catch(error => {
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showError(t('forms', 'There was an issue deleting this option'))
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console.error(error)
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// restore option
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this.restoreOption(option, optionIndex)
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})
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}
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},
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/**
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* Focus the input matching the index
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*
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* @param {Number} index the value index
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*/
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focusIndex(index) {
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const inputs = this.$refs.input
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if (inputs && inputs[index]) {
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const input = inputs[index]
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input.focus()
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}
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},
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},
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}
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</script>
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<style lang="scss" scoped>
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.question__content {
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display: flex;
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flex-direction: column;
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}
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.question__item {
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position: relative;
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display: inline-flex;
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min-height: 44px;
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// Taking styles from server radio-input items
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&__pseudoInput {
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flex-shrink: 0;
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display: inline-block;
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height: 16px;
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width: 16px !important;
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vertical-align: middle;
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margin: 0 14px 0px 0px;
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border: 1px solid #878787;
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border-radius: 1px;
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// Adjust position manually to match pseudo-input and proper position to text
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position: relative;
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top: 10px;
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// Show round for Pseudo-Radio-Button
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&--unique {
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border-radius: 50%;
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}
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&:hover {
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border-color: var(--color-primary-element);
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}
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}
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.question__label {
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flex: 1 1 100%;
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// Overwrite guest page core styles
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text-align: left !important;
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// Some rounding issues lead to this strange number, so label and answerInput show up a the same position, working on different browsers.
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padding: 6.5px 0 0 30px;
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line-height: 22px;
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min-height: 34px;
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height: min-content;
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position: relative;
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&::before {
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box-sizing: border-box;
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// Adjust position manually for proper position to text
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position: absolute;
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top: 10px;
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width: 16px;
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height: 16px;
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margin-bottom: 0;
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margin-left: -30px !important;
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margin-right: 14px !important;
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}
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}
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}
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// Using type to have a higher order than the input styling of server
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.question__input[type=text] {
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width: 100%;
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// Height 34px + 1px Border
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min-height: 35px;
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margin: 0;
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padding: 0 0;
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border: 0;
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border-bottom: 1px dotted var(--color-border-dark);
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border-radius: 0;
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font-size: 14px;
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position: relative;
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}
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input.question__radio,
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input.question__checkbox {
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z-index: -1;
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// make sure browser warnings are properly
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// displayed at the correct location
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left: 0px;
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width: 16px;
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}
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</style>
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