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whippy-edition/app/javascript/mastodon/features/compose/components/privacy_dropdown.js

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JavaScript
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import React from 'react';
import PropTypes from 'prop-types';
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import { injectIntl, defineMessages } from 'react-intl';
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import IconButton from '../../../components/icon_button';
import Overlay from 'react-overlays/lib/Overlay';
import Motion from '../../ui/util/optional_motion';
import spring from 'react-motion/lib/spring';
import detectPassiveEvents from 'detect-passive-events';
import classNames from 'classnames';
import Icon from 'mastodon/components/icon';
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const messages = defineMessages({
public_short: { id: 'privacy.public.short', defaultMessage: 'Public' },
public_long: { id: 'privacy.public.long', defaultMessage: 'Visible for all, shown in public timelines' },
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unlisted_short: { id: 'privacy.unlisted.short', defaultMessage: 'Unlisted' },
unlisted_long: { id: 'privacy.unlisted.long', defaultMessage: 'Visible for all, but not in public timelines' },
private_short: { id: 'privacy.private.short', defaultMessage: 'Followers-only' },
private_long: { id: 'privacy.private.long', defaultMessage: 'Visible for followers only' },
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direct_short: { id: 'privacy.direct.short', defaultMessage: 'Direct' },
direct_long: { id: 'privacy.direct.long', defaultMessage: 'Visible for mentioned users only' },
change_privacy: { id: 'privacy.change', defaultMessage: 'Adjust status privacy' },
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});
const listenerOptions = detectPassiveEvents.hasSupport ? { passive: true } : false;
class PrivacyDropdownMenu extends React.PureComponent {
static propTypes = {
style: PropTypes.object,
items: PropTypes.array.isRequired,
value: PropTypes.string.isRequired,
placement: PropTypes.string.isRequired,
onClose: PropTypes.func.isRequired,
onChange: PropTypes.func.isRequired,
};
state = {
mounted: false,
};
handleDocumentClick = e => {
if (this.node && !this.node.contains(e.target)) {
this.props.onClose();
}
}
handleKeyDown = e => {
const { items } = this.props;
const value = e.currentTarget.getAttribute('data-index');
const index = items.findIndex(item => {
return (item.value === value);
});
let element;
switch(e.key) {
case 'Escape':
this.props.onClose();
break;
case 'Enter':
this.handleClick(e);
break;
case 'ArrowDown':
element = this.node.childNodes[index + 1];
if (element) {
element.focus();
this.props.onChange(element.getAttribute('data-index'));
}
break;
case 'ArrowUp':
element = this.node.childNodes[index - 1];
if (element) {
element.focus();
this.props.onChange(element.getAttribute('data-index'));
}
break;
case 'Tab':
if (e.shiftKey) {
element = this.node.childNodes[index - 1] || this.node.lastChild;
} else {
element = this.node.childNodes[index + 1] || this.node.firstChild;
}
if (element) {
element.focus();
this.props.onChange(element.getAttribute('data-index'));
e.preventDefault();
e.stopPropagation();
}
break;
case 'Home':
element = this.node.firstChild;
if (element) {
element.focus();
this.props.onChange(element.getAttribute('data-index'));
}
break;
case 'End':
element = this.node.lastChild;
if (element) {
element.focus();
this.props.onChange(element.getAttribute('data-index'));
}
break;
}
}
handleClick = e => {
const value = e.currentTarget.getAttribute('data-index');
e.preventDefault();
this.props.onClose();
this.props.onChange(value);
}
componentDidMount () {
document.addEventListener('click', this.handleDocumentClick, false);
document.addEventListener('touchend', this.handleDocumentClick, listenerOptions);
if (this.focusedItem) this.focusedItem.focus();
this.setState({ mounted: true });
}
componentWillUnmount () {
document.removeEventListener('click', this.handleDocumentClick, false);
document.removeEventListener('touchend', this.handleDocumentClick, listenerOptions);
}
setRef = c => {
this.node = c;
}
setFocusRef = c => {
this.focusedItem = c;
}
render () {
const { mounted } = this.state;
const { style, items, placement, value } = this.props;
return (
<Motion defaultStyle={{ opacity: 0, scaleX: 0.85, scaleY: 0.75 }} style={{ opacity: spring(1, { damping: 35, stiffness: 400 }), scaleX: spring(1, { damping: 35, stiffness: 400 }), scaleY: spring(1, { damping: 35, stiffness: 400 }) }}>
{({ opacity, scaleX, scaleY }) => (
// It should not be transformed when mounting because the resulting
// size will be used to determine the coordinate of the menu by
// react-overlays
<div className={`privacy-dropdown__dropdown ${placement}`} style={{ ...style, opacity: opacity, transform: mounted ? `scale(${scaleX}, ${scaleY})` : null, zIndex: 2 }} role='listbox' ref={this.setRef}>
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{items.map(item => (
<div role='option' tabIndex='0' key={item.value} data-index={item.value} onKeyDown={this.handleKeyDown} onClick={this.handleClick} className={classNames('privacy-dropdown__option', { active: item.value === value })} aria-selected={item.value === value} ref={item.value === value ? this.setFocusRef : null}>
<div className='privacy-dropdown__option__icon'>
<Icon id={item.icon} fixedWidth />
</div>
<div className='privacy-dropdown__option__content'>
<strong>{item.text}</strong>
{item.meta}
</div>
</div>
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))}
</div>
)}
</Motion>
);
}
}
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export default @injectIntl
class PrivacyDropdown extends React.PureComponent {
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static propTypes = {
isUserTouching: PropTypes.func,
isModalOpen: PropTypes.bool.isRequired,
onModalOpen: PropTypes.func,
onModalClose: PropTypes.func,
value: PropTypes.string.isRequired,
onChange: PropTypes.func.isRequired,
intl: PropTypes.object.isRequired,
};
state = {
open: false,
placement: 'bottom',
};
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handleToggle = ({ target }) => {
if (this.props.isUserTouching()) {
if (this.state.open) {
this.props.onModalClose();
} else {
this.props.onModalOpen({
actions: this.options.map(option => ({ ...option, active: option.value === this.props.value })),
onClick: this.handleModalActionClick,
});
}
} else {
const { top } = target.getBoundingClientRect();
if (this.state.open && this.activeElement) {
this.activeElement.focus();
}
this.setState({ placement: top * 2 < innerHeight ? 'bottom' : 'top' });
this.setState({ open: !this.state.open });
}
}
handleModalActionClick = (e) => {
e.preventDefault();
const { value } = this.options[e.currentTarget.getAttribute('data-index')];
this.props.onModalClose();
this.props.onChange(value);
}
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handleKeyDown = e => {
switch(e.key) {
case 'Escape':
this.handleClose();
break;
}
}
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handleMouseDown = () => {
if (!this.state.open) {
this.activeElement = document.activeElement;
}
}
handleButtonKeyDown = (e) => {
switch(e.key) {
case ' ':
case 'Enter':
this.handleMouseDown();
break;
}
}
handleClose = () => {
if (this.state.open && this.activeElement) {
this.activeElement.focus();
}
this.setState({ open: false });
}
handleChange = value => {
this.props.onChange(value);
}
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componentWillMount () {
const { intl: { formatMessage } } = this.props;
this.options = [
{ icon: 'globe', value: 'public', text: formatMessage(messages.public_short), meta: formatMessage(messages.public_long) },
{ icon: 'unlock', value: 'unlisted', text: formatMessage(messages.unlisted_short), meta: formatMessage(messages.unlisted_long) },
{ icon: 'lock', value: 'private', text: formatMessage(messages.private_short), meta: formatMessage(messages.private_long) },
{ icon: 'envelope', value: 'direct', text: formatMessage(messages.direct_short), meta: formatMessage(messages.direct_long) },
];
}
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render () {
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const { value, intl } = this.props;
const { open, placement } = this.state;
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const valueOption = this.options.find(item => item.value === value);
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return (
<div className={classNames('privacy-dropdown', placement, { active: open })} onKeyDown={this.handleKeyDown}>
<div className={classNames('privacy-dropdown__value', { active: this.options.indexOf(valueOption) === (placement === 'bottom' ? 0 : (this.options.length - 1)) })}>
<IconButton
className='privacy-dropdown__value-icon'
icon={valueOption.icon}
title={intl.formatMessage(messages.change_privacy)}
size={18}
expanded={open}
active={open}
inverted
onClick={this.handleToggle}
onMouseDown={this.handleMouseDown}
onKeyDown={this.handleButtonKeyDown}
style={{ height: null, lineHeight: '27px' }}
/>
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</div>
<Overlay show={open} placement={placement} target={this}>
<PrivacyDropdownMenu
items={this.options}
value={value}
onClose={this.handleClose}
onChange={this.handleChange}
placement={placement}
/>
</Overlay>
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</div>
);
}
}