bigbluebutton-Github/bigbluebutton-html5/imports/ui/components/poll/component.jsx
2022-01-14 21:05:16 +00:00

829 lines
25 KiB
JavaScript

import React, { Component } from 'react';
import PropTypes from 'prop-types';
import { defineMessages, injectIntl } from 'react-intl';
import { withModalMounter } from '/imports/ui/components/modal/service';
import _ from 'lodash';
import { Session } from 'meteor/session';
import cx from 'classnames';
import Button from '/imports/ui/components/button/component';
import Toggle from '/imports/ui/components/switch/component';
import LiveResult from './live-result/component';
import { styles } from './styles.scss';
import { PANELS, ACTIONS } from '../layout/enums';
import DragAndDrop from './dragAndDrop/component';
import { alertScreenReader } from '/imports/utils/dom-utils';
const intlMessages = defineMessages({
pollPaneTitle: {
id: 'app.poll.pollPaneTitle',
description: 'heading label for the poll menu',
},
closeLabel: {
id: 'app.poll.closeLabel',
description: 'label for poll pane close button',
},
hidePollDesc: {
id: 'app.poll.hidePollDesc',
description: 'aria label description for hide poll button',
},
quickPollInstruction: {
id: 'app.poll.quickPollInstruction',
description: 'instructions for using pre configured polls',
},
activePollInstruction: {
id: 'app.poll.activePollInstruction',
description: 'instructions displayed when a poll is active',
},
dragDropPollInstruction: {
id: 'app.poll.dragDropPollInstruction',
description: 'instructions for upload poll options via drag and drop',
},
ariaInputCount: {
id: 'app.poll.ariaInputCount',
description: 'aria label for custom poll input field',
},
customPlaceholder: {
id: 'app.poll.customPlaceholder',
description: 'custom poll input field placeholder text',
},
noPresentationSelected: {
id: 'app.poll.noPresentationSelected',
description: 'no presentation label',
},
clickHereToSelect: {
id: 'app.poll.clickHereToSelect',
description: 'open uploader modal button label',
},
questionErr: {
id: 'app.poll.questionErr',
description: 'question text area error label',
},
optionErr: {
id: 'app.poll.optionErr',
description: 'poll input error label',
},
tf: {
id: 'app.poll.tf',
description: 'label for true / false poll',
},
a4: {
id: 'app.poll.a4',
description: 'label for A / B / C / D poll',
},
delete: {
id: 'app.poll.optionDelete.label',
description: '',
},
questionLabel: {
id: 'app.poll.question.label',
description: '',
},
optionalQuestionLabel: {
id: 'app.poll.optionalQuestion.label',
description: '',
},
userResponse: {
id: 'app.poll.userResponse.label',
description: '',
},
responseChoices: {
id: 'app.poll.responseChoices.label',
description: '',
},
typedResponseDesc: {
id: 'app.poll.typedResponse.desc',
description: '',
},
responseTypesLabel: {
id: 'app.poll.responseTypes.label',
description: '',
},
addOptionLabel: {
id: 'app.poll.addItem.label',
description: '',
},
startPollLabel: {
id: 'app.poll.start.label',
description: '',
},
secretPollLabel: {
id: 'app.poll.secretPoll.label',
description: '',
},
isSecretPollLabel: {
id: 'app.poll.secretPoll.isSecretLabel',
description: '',
},
true: {
id: 'app.poll.answer.true',
description: '',
},
false: {
id: 'app.poll.answer.false',
description: '',
},
a: {
id: 'app.poll.answer.a',
description: '',
},
b: {
id: 'app.poll.answer.b',
description: '',
},
c: {
id: 'app.poll.answer.c',
description: '',
},
d: {
id: 'app.poll.answer.d',
description: '',
},
yna: {
id: 'app.poll.yna',
description: '',
},
yes: {
id: 'app.poll.y',
description: '',
},
no: {
id: 'app.poll.n',
description: '',
},
abstention: {
id: 'app.poll.abstention',
description: '',
},
startPollDesc: {
id: 'app.poll.startPollDesc',
description: '',
},
showRespDesc: {
id: 'app.poll.showRespDesc',
description: '',
},
addRespDesc: {
id: 'app.poll.addRespDesc',
description: '',
},
deleteRespDesc: {
id: 'app.poll.deleteRespDesc',
description: '',
},
on: {
id: 'app.switch.onLabel',
description: 'label for toggle switch on state',
},
off: {
id: 'app.switch.offLabel',
description: 'label for toggle switch off state',
},
removePollOpt: {
id: 'app.poll.removePollOpt',
description: 'screen reader alert for removed poll option',
},
emptyPollOpt: {
id: 'app.poll.emptyPollOpt',
description: 'screen reader for blank poll option',
},
});
const POLL_SETTINGS = Meteor.settings.public.poll;
const MAX_CUSTOM_FIELDS = POLL_SETTINGS.maxCustom;
const MAX_INPUT_CHARS = POLL_SETTINGS.maxTypedAnswerLength;
const QUESTION_MAX_INPUT_CHARS = 400;
const FILE_DRAG_AND_DROP_ENABLED = POLL_SETTINGS.allowDragAndDropFile;
const validateInput = (i) => {
let _input = i;
while (/^\s/.test(_input)) _input = _input.substring(1);
return _input;
};
class Poll extends Component {
constructor(props) {
super(props);
this.state = {
isPolling: false,
question: '',
optList: [],
error: null,
secretPoll: false,
};
this.handleBackClick = this.handleBackClick.bind(this);
this.handleAddOption = this.handleAddOption.bind(this);
this.handleRemoveOption = this.handleRemoveOption.bind(this);
this.handleTextareaChange = this.handleTextareaChange.bind(this);
this.handleInputChange = this.handleInputChange.bind(this);
this.displayToggleStatus = this.displayToggleStatus.bind(this);
}
componentDidMount() {
const { props } = this.hideBtn;
const { className } = props;
const hideBtn = document.getElementsByClassName(`${className}`);
if (hideBtn[0]) hideBtn[0].focus();
}
componentDidUpdate() {
const { amIPresenter, layoutContextDispatch } = this.props;
if (Session.equals('resetPollPanel', true)) {
this.handleBackClick();
}
if (!amIPresenter) {
layoutContextDispatch({
type: ACTIONS.SET_SIDEBAR_CONTENT_IS_OPEN,
value: false,
});
layoutContextDispatch({
type: ACTIONS.SET_SIDEBAR_CONTENT_PANEL,
value: PANELS.NONE,
});
}
}
componentWillUnmount() {
Session.set('secretPoll', false);
}
handleBackClick() {
const { stopPoll } = this.props;
this.setState({
isPolling: false,
error: null,
}, () => {
stopPoll();
Session.set('resetPollPanel', false);
document.activeElement.blur();
});
}
handleInputTextChange(index, text) {
const { optList } = this.state;
// This regex will replace any instance of 2 or more consecutive white spaces
// with a single white space character.
const option = text.replace(/\s{2,}/g, ' ').trim();
if (index < optList.length) optList[index].val = option === '' ? '' : option;
this.setState({ optList });
}
handleInputChange(e, index) {
const { optList, type, error } = this.state;
const { pollTypes } = this.props;
const list = [...optList];
const validatedVal = validateInput(e.target.value).replace(/\s{2,}/g, ' ');
const charsRemovedCount = e.target.value.length - validatedVal.length;
const clearError = validatedVal.length > 0 && type !== pollTypes.Response;
const input = e.target;
const caretStart = e.target.selectionStart;
const caretEnd = e.target.selectionEnd;
list[index] = { val: validatedVal };
this.setState({ optList: list, error: clearError ? null : error },
() => {
input.focus();
input.selectionStart = caretStart - charsRemovedCount;
input.selectionEnd = caretEnd - charsRemovedCount;
});
}
handleTextareaChange(e) {
const { type, error } = this.state;
const { pollTypes } = this.props;
const validatedQuestion = validateInput(e.target.value);
const clearError = validatedQuestion.length > 0 && type === pollTypes.Response;
this.setState({ question: validateInput(e.target.value), error: clearError ? null : error });
}
handlePollValuesText(text) {
if (text && text.length > 0) {
this.pushToCustomPollValues(text);
}
}
handleRemoveOption(index) {
const { intl } = this.props;
const { optList } = this.state;
const list = [...optList];
const removed = list[index];
list.splice(index, 1);
this.setState({ optList: list }, () => {
alertScreenReader(`${intl.formatMessage(intlMessages.removePollOpt,
{ 0: removed.val || intl.formatMessage(intlMessages.emptyPollOpt) })}`);
});
}
handleAddOption() {
const { optList } = this.state;
this.setState({ optList: [...optList, { val: '' }] });
}
handleToggle() {
const { secretPoll } = this.state;
const toggledValue = !secretPoll;
Session.set('secretPoll', toggledValue);
this.setState({ secretPoll: toggledValue });
}
setOptListLength(len) {
const { optList } = this.state;
let diff = len > MAX_CUSTOM_FIELDS
? MAX_CUSTOM_FIELDS - optList.length
: len - optList.length;
if (diff > 0) {
while (diff > 0) {
this.handleAddOption();
diff -= 1;
}
} else {
while (diff < 0) {
this.handleRemoveOption();
diff += 1;
}
}
}
displayToggleStatus(status) {
const { intl } = this.props;
return (
<span className={styles.toggleLabel}>
{status ? intl.formatMessage(intlMessages.on)
: intl.formatMessage(intlMessages.off)}
</span>
);
}
pushToCustomPollValues(text) {
const lines = text.split('\n');
this.setOptListLength(lines.length);
for (let i = 0; i < MAX_CUSTOM_FIELDS; i += 1) {
let line = '';
if (i < lines.length) {
line = lines[i];
line = line.length > MAX_INPUT_CHARS ? line.substring(0, MAX_INPUT_CHARS) : line;
}
this.handleInputTextChange(i, line);
}
}
renderInputs() {
const { intl, pollTypes } = this.props;
const { optList, type, error } = this.state;
let hasVal = false;
return optList.map((o, i) => {
if (o.val.length > 0) hasVal = true;
const pollOptionKey = `poll-option-${i}`;
return (
<span key={pollOptionKey}>
<div
style={{
display: 'flex',
justifyContent: 'spaceBetween',
}}
>
<input
type="text"
value={o.val}
placeholder={intl.formatMessage(intlMessages.customPlaceholder)}
data-test="pollOptionItem"
className={styles.pollOption}
onChange={(e) => this.handleInputChange(e, i)}
maxLength={MAX_INPUT_CHARS}
/>
{i > 1
? (
<>
<Button
className={styles.deleteBtn}
label={intl.formatMessage(intlMessages.delete)}
aria-describedby={`option-${i}`}
icon="delete"
data-test="deletePollOption"
hideLabel
circle
color="default"
onClick={() => {
this.handleRemoveOption(i);
}}
/>
<span className="sr-only" id={`option-${i}`}>
{intl.formatMessage(intlMessages.deleteRespDesc,
{ 0: (o.val || intl.formatMessage(intlMessages.emptyPollOpt)) })}
</span>
</>
)
: <div style={{ width: '40px', flex: 'none' }} />}
</div>
{!hasVal && type !== pollTypes.Response && error ? (
<div className={styles.inputError}>{error}</div>
) : (
<div className={styles.errorSpacer}>&nbsp;</div>
)}
</span>
);
});
}
renderActivePollOptions() {
const {
intl,
isMeteorConnected,
stopPoll,
currentPoll,
pollAnswerIds,
usernames,
isDefaultPoll,
} = this.props;
return (
<div>
<div className={styles.instructions}>
{intl.formatMessage(intlMessages.activePollInstruction)}
</div>
<LiveResult
{...{
isMeteorConnected,
stopPoll,
currentPoll,
pollAnswerIds,
usernames,
isDefaultPoll,
}}
handleBackClick={this.handleBackClick}
/>
</div>
);
}
renderPollOptions() {
const {
type, secretPoll, optList, question, error,
} = this.state;
const {
startPoll,
startCustomPoll,
intl,
pollTypes,
isDefaultPoll,
checkPollType,
smallSidebar,
} = this.props;
const defaultPoll = isDefaultPoll(type);
const questionPlaceholder = (type === pollTypes.Response)
? intlMessages.questionLabel
: intlMessages.optionalQuestionLabel;
const hasQuestionError = (type === pollTypes.Response && question.length === 0 && error);
return (
<div>
<div>
<textarea
data-test="pollQuestionArea"
className={
cx(styles.pollQuestion, {
[styles.hasError]: hasQuestionError,
})
}
value={question}
onChange={(e) => this.handleTextareaChange(e)}
rows="4"
cols="35"
maxLength={QUESTION_MAX_INPUT_CHARS}
aria-label={intl.formatMessage(questionPlaceholder)}
placeholder={intl.formatMessage(questionPlaceholder)}
/>
{hasQuestionError ? (
<div className={styles.inputError}>{error}</div>
) : (
<div className={styles.errorSpacer}>&nbsp;</div>
)}
</div>
<div data-test="responseTypes">
<h4 className={styles.sectionHeading}>{intl.formatMessage(intlMessages.responseTypesLabel)}</h4>
<div className={styles.responseType}>
<Button
label={intl.formatMessage(intlMessages.tf)}
aria-describedby="poll-config-button"
color="default"
onClick={() => {
this.setState({
type: pollTypes.TrueFalse,
optList: [
{ val: intl.formatMessage(intlMessages.true) },
{ val: intl.formatMessage(intlMessages.false) },
],
});
}}
className={
cx(styles.pBtn, {
[styles.selectedTypeBtn]: type === pollTypes.TrueFalse,
[styles.smallBtn]: !smallSidebar,
})
}
/>
<Button
label={intl.formatMessage(intlMessages.a4)}
aria-describedby="poll-config-button"
color="default"
onClick={() => {
this.setState({
type: pollTypes.Letter,
optList: [
{ val: intl.formatMessage(intlMessages.a) },
{ val: intl.formatMessage(intlMessages.b) },
{ val: intl.formatMessage(intlMessages.c) },
{ val: intl.formatMessage(intlMessages.d) },
],
});
}}
className={
cx(styles.pBtn, {
[styles.selectedTypeBtn]: type === pollTypes.Letter,
[styles.smallBtn]: !smallSidebar,
})
}
/>
<Button
label={intl.formatMessage(intlMessages.yna)}
aria-describedby="poll-config-button"
color="default"
onClick={() => {
this.setState({
type: pollTypes.YesNoAbstention,
optList: [
{ val: intl.formatMessage(intlMessages.yes) },
{ val: intl.formatMessage(intlMessages.no) },
{ val: intl.formatMessage(intlMessages.abstention) },
],
});
}}
className={
cx(styles.pBtn, styles.yna, {
[styles.selectedTypeBtn]: type === pollTypes.YesNoAbstention,
})
}
/>
<Button
label={intl.formatMessage(intlMessages.userResponse)}
aria-describedby="poll-config-button"
color="default"
onClick={() => { this.setState({ type: pollTypes.Response }); }}
className={
cx(styles.pBtn, styles.fullWidth, {
[styles.selectedTypeBtn]: type === pollTypes.Response,
})
}
/>
</div>
</div>
{type
&& (
<div data-test="responseChoices">
<h4 className={styles.sectionHeading}>{intl.formatMessage(intlMessages.responseChoices)}</h4>
{
type === pollTypes.Response
&& (
<div className={styles.pollParagraph}>
<span>{intl.formatMessage(intlMessages.typedResponseDesc)}</span>
</div>
)
}
{
(defaultPoll || type === pollTypes.Response)
&& (
<div style={{
display: 'flex',
flexFlow: 'wrap',
flexDirection: 'column',
}}
>
{defaultPoll && this.renderInputs()}
{defaultPoll
&& (
<Button
className={styles.addItemBtn}
data-test="addPollItem"
label={intl.formatMessage(intlMessages.addOptionLabel)}
aria-describedby="add-item-button"
color="default"
icon="add"
disabled={optList.length >= MAX_CUSTOM_FIELDS}
onClick={() => this.handleAddOption()}
/>
)}
<div className={styles.row}>
<div className={styles.col} aria-hidden="true">
<h4 className={styles.sectionHeading}>
{intl.formatMessage(intlMessages.secretPollLabel)}
</h4>
</div>
<div className={styles.col}>
{/* eslint-disable-next-line jsx-a11y/label-has-associated-control */}
<label className={styles.toggle}>
{this.displayToggleStatus(secretPoll)}
<Toggle
icons={false}
defaultChecked={secretPoll}
onChange={() => this.handleToggle()}
ariaLabel={intl.formatMessage(intlMessages.secretPollLabel)}
showToggleLabel={false}
/>
</label>
</div>
</div>
{secretPoll
&& (
<div className={styles.pollParagraph}>
{ intl.formatMessage(intlMessages.isSecretPollLabel) }
</div>
)}
<Button
className={styles.startPollBtn}
data-test="startPoll"
label={intl.formatMessage(intlMessages.startPollLabel)}
color="primary"
onClick={() => {
let hasVal = false;
optList.forEach((o) => {
if (o.val.length > 0) hasVal = true;
});
let err = null;
if (type === pollTypes.Response && question.length === 0) {
err = intl.formatMessage(intlMessages.questionErr);
}
if (!hasVal && type !== pollTypes.Response) {
err = intl.formatMessage(intlMessages.optionErr);
}
if (err) return this.setState({ error: err });
return this.setState({ isPolling: true }, () => {
const verifiedPollType = checkPollType(
type,
optList,
intl.formatMessage(intlMessages.yes),
intl.formatMessage(intlMessages.no),
intl.formatMessage(intlMessages.abstention),
intl.formatMessage(intlMessages.true),
intl.formatMessage(intlMessages.false),
);
const verifiedOptions = optList.map((o) => {
if (o.val.length > 0) return o.val;
return null;
});
if (verifiedPollType === pollTypes.Custom) {
startCustomPoll(
verifiedPollType,
secretPoll,
question,
_.compact(verifiedOptions),
);
} else {
startPoll(verifiedPollType, secretPoll, question);
}
});
}}
/>
{
FILE_DRAG_AND_DROP_ENABLED
&& type !== pollTypes.Response
&& this.renderDragDrop()
}
</div>
)
}
</div>
)}
</div>
);
}
renderNoSlidePanel() {
const { intl } = this.props;
return (
<div className={styles.noSlidePanelContainer}>
<h4 className={styles.sectionHeading}>{intl.formatMessage(intlMessages.noPresentationSelected)}</h4>
<Button
label={intl.formatMessage(intlMessages.clickHereToSelect)}
color="primary"
onClick={() => Session.set('showUploadPresentationView', true)}
className={styles.pollBtn}
/>
</div>
);
}
renderPollPanel() {
const { isPolling } = this.state;
const {
currentPoll,
currentSlide,
} = this.props;
if (!currentSlide) return this.renderNoSlidePanel();
if (isPolling || currentPoll) {
return this.renderActivePollOptions();
}
return this.renderPollOptions();
}
renderDragDrop() {
const { intl } = this.props;
return (
<div>
<div className={styles.instructions}>
{intl.formatMessage(intlMessages.dragDropPollInstruction)}
</div>
<DragAndDrop
{...{ intl, MAX_INPUT_CHARS }}
handlePollValuesText={(e) => this.handlePollValuesText(e)}
>
<div className={styles.dragAndDropPollContainer} />
</DragAndDrop>
</div>
);
}
render() {
const {
intl,
stopPoll,
currentPoll,
layoutContextDispatch,
} = this.props;
return (
<div>
<header className={styles.header}>
<Button
ref={(node) => { this.hideBtn = node; }}
data-test="hidePollDesc"
tabIndex={0}
label={intl.formatMessage(intlMessages.pollPaneTitle)}
icon="left_arrow"
aria-label={intl.formatMessage(intlMessages.hidePollDesc)}
className={styles.hideBtn}
onClick={() => {
layoutContextDispatch({
type: ACTIONS.SET_SIDEBAR_CONTENT_IS_OPEN,
value: false,
});
layoutContextDispatch({
type: ACTIONS.SET_SIDEBAR_CONTENT_PANEL,
value: PANELS.NONE,
});
}}
/>
<Button
label={intl.formatMessage(intlMessages.closeLabel)}
aria-label={`${intl.formatMessage(intlMessages.closeLabel)} ${intl.formatMessage(intlMessages.pollPaneTitle)}`}
onClick={() => {
if (currentPoll) stopPoll();
layoutContextDispatch({
type: ACTIONS.SET_SIDEBAR_CONTENT_IS_OPEN,
value: false,
});
layoutContextDispatch({
type: ACTIONS.SET_SIDEBAR_CONTENT_PANEL,
value: PANELS.NONE,
});
Session.set('forcePollOpen', false);
Session.set('pollInitiated', false);
}}
className={styles.closeBtn}
icon="close"
size="sm"
hideLabel
/>
</header>
{this.renderPollPanel()}
<span className="sr-only" id="poll-config-button">{intl.formatMessage(intlMessages.showRespDesc)}</span>
<span className="sr-only" id="add-item-button">{intl.formatMessage(intlMessages.addRespDesc)}</span>
<span className="sr-only" id="start-poll-button">{intl.formatMessage(intlMessages.startPollDesc)}</span>
</div>
);
}
}
export default withModalMounter(injectIntl(Poll));
Poll.propTypes = {
intl: PropTypes.shape({
formatMessage: PropTypes.func.isRequired,
}).isRequired,
amIPresenter: PropTypes.bool.isRequired,
pollTypes: PropTypes.instanceOf(Object).isRequired,
startPoll: PropTypes.func.isRequired,
startCustomPoll: PropTypes.func.isRequired,
stopPoll: PropTypes.func.isRequired,
};