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import React from 'react';
import PropTypes from 'prop-types';
import { connect } from 'react-redux';
import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
import { toServerSideType } from 'mastodon/utils/filters';
import { loupeIcon, deleteIcon } from 'mastodon/utils/icons';
import Icon from 'mastodon/components/icon';
import fuzzysort from 'fuzzysort';
const messages = defineMessages({
search: { id: 'filter_modal.select_filter.search', defaultMessage: 'Search or create' },
clear: { id: 'emoji_button.clear', defaultMessage: 'Clear' },
});
const mapStateToProps = (state, { contextType }) => ({
filters: Array.from(state.get('filters').values()).map((filter) => [
filter.get('id'),
filter.get('title'),
filter.get('keywords')?.map((keyword) => keyword.get('keyword')).join('\n'),
filter.get('expires_at') && filter.get('expires_at') < new Date(),
contextType && !filter.get('context').includes(toServerSideType(contextType)),
]),
});
export default @connect(mapStateToProps)
@injectIntl
class SelectFilter extends React.PureComponent {
static propTypes = {
onSelectFilter: PropTypes.func.isRequired,
onNewFilter: PropTypes.func.isRequired,
filters: PropTypes.arrayOf(PropTypes.arrayOf(PropTypes.object)),
intl: PropTypes.object.isRequired,
};
state = {
searchValue: '',
};
search () {
const { filters } = this.props;
const { searchValue } = this.state;
if (searchValue === '') {
return filters;
}
return fuzzysort.go(searchValue, filters, {
keys: ['1', '2'],
limit: 5,
threshold: -10000,
}).map(result => result.obj);
}
renderItem = filter => {
let warning = null;
if (filter[3] || filter[4]) {
warning = (
<span className='language-dropdown__dropdown__results__item__common-name'>
(
{filter[3] && <FormattedMessage id='filter_modal.select_filter.expired' defaultMessage='expired' />}
{filter[3] && filter[4] && ', '}
{filter[4] && <FormattedMessage id='filter_modal.select_filter.context_mismatch' defaultMessage='does not apply to this context' />}
)
</span>
);
}
return (
<div key={filter[0]} role='button' tabIndex='0' data-index={filter[0]} className='language-dropdown__dropdown__results__item' onClick={this.handleItemClick} onKeyDown={this.handleKeyDown}>
<span className='language-dropdown__dropdown__results__item__native-name'>{filter[1]}</span> {warning}
</div>
);
}
renderCreateNew (name) {
return (
<div key='add-new-filter' role='button' tabIndex='0' className='language-dropdown__dropdown__results__item' onClick={this.handleNewFilterClick} onKeyDown={this.handleKeyDown}>
<Icon id='plus' fixedWidth /> <FormattedMessage id='filter_modal.select_filter.prompt_new' defaultMessage='New category: {name}' values={{ name }} />
</div>
);
}
handleSearchChange = ({ target }) => {
this.setState({ searchValue: target.value });
}
setListRef = c => {
this.listNode = c;
}
handleKeyDown = e => {
const index = Array.from(this.listNode.childNodes).findIndex(node => node === e.currentTarget);
let element = null;
switch(e.key) {
case ' ':
case 'Enter':
e.currentTarget.click();
break;
case 'ArrowDown':
element = this.listNode.childNodes[index + 1] || this.listNode.firstChild;
break;
case 'ArrowUp':
element = this.listNode.childNodes[index - 1] || this.listNode.lastChild;
break;
case 'Tab':
if (e.shiftKey) {
element = this.listNode.childNodes[index - 1] || this.listNode.lastChild;
} else {
element = this.listNode.childNodes[index + 1] || this.listNode.firstChild;
}
break;
case 'Home':
element = this.listNode.firstChild;
break;
case 'End':
element = this.listNode.lastChild;
break;
}
if (element) {
element.focus();
e.preventDefault();
e.stopPropagation();
}
}
handleSearchKeyDown = e => {
let element = null;
switch(e.key) {
case 'Tab':
case 'ArrowDown':
element = this.listNode.firstChild;
if (element) {
element.focus();
e.preventDefault();
e.stopPropagation();
}
break;
}
}
handleClear = () => {
this.setState({ searchValue: '' });
}
handleItemClick = e => {
const value = e.currentTarget.getAttribute('data-index');
e.preventDefault();
this.props.onSelectFilter(value);
}
handleNewFilterClick = e => {
e.preventDefault();
this.props.onNewFilter(this.state.searchValue);
};
render () {
const { intl } = this.props;
const { searchValue } = this.state;
const isSearching = searchValue !== '';
const results = this.search();
return (
<React.Fragment>
<h3 className='report-dialog-modal__title'><FormattedMessage id='filter_modal.select_filter.title' defaultMessage='Filter this post' /></h3>
<p className='report-dialog-modal__lead'><FormattedMessage id='filter_modal.select_filter.subtitle' defaultMessage='Use an existing category or create a new one' /></p>
<div className='emoji-mart-search'>
<input type='search' value={searchValue} onChange={this.handleSearchChange} onKeyDown={this.handleSearchKeyDown} placeholder={intl.formatMessage(messages.search)} autoFocus />
<button type='button' className='emoji-mart-search-icon' disabled={!isSearching} aria-label={intl.formatMessage(messages.clear)} onClick={this.handleClear}>{!isSearching ? loupeIcon : deleteIcon}</button>
</div>
<div className='language-dropdown__dropdown__results emoji-mart-scroll' role='listbox' ref={this.setListRef}>
{results.map(this.renderItem)}
{isSearching && this.renderCreateNew(searchValue) }
</div>
</React.Fragment>
);
}
}
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