File size: 4,339 Bytes
1e92f2d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 | import React, { Component } from 'react';
import PropTypes from 'prop-types';
import classNames from 'classnames';
import SearchBox from '../components/SearchBox';
const itemsPropType = PropTypes.arrayOf(
PropTypes.shape({
value: PropTypes.any,
label: PropTypes.node.isRequired,
items: (...args) => itemsPropType(...args),
})
);
class List extends Component {
static propTypes = {
cx: PropTypes.func.isRequired,
// Only required with showMore.
translate: PropTypes.func,
items: itemsPropType,
renderItem: PropTypes.func.isRequired,
selectItem: PropTypes.func,
className: PropTypes.string,
showMore: PropTypes.bool,
limit: PropTypes.number,
showMoreLimit: PropTypes.number,
show: PropTypes.func,
searchForItems: PropTypes.func,
searchable: PropTypes.bool,
isFromSearch: PropTypes.bool,
canRefine: PropTypes.bool,
};
static defaultProps = {
className: '',
isFromSearch: false,
};
constructor() {
super();
this.state = {
extended: false,
query: '',
};
}
onShowMoreClick = () => {
this.setState((state) => ({
extended: !state.extended,
}));
};
getLimit = () => {
const { limit, showMoreLimit } = this.props;
const { extended } = this.state;
return extended ? showMoreLimit : limit;
};
resetQuery = () => {
this.setState({ query: '' });
};
renderItem = (item, resetQuery) => {
const itemHasChildren = item.items && Boolean(item.items.length);
return (
<li
key={item.key || item.label}
className={this.props.cx(
'item',
item.isRefined && 'item--selected',
item.noRefinement && 'item--noRefinement',
itemHasChildren && 'item--parent'
)}
>
{this.props.renderItem(item, resetQuery)}
{itemHasChildren && (
<ul className={this.props.cx('list', 'list--child')}>
{item.items
.slice(0, this.getLimit())
.map((child) => this.renderItem(child, item))}
</ul>
)}
</li>
);
};
renderShowMore() {
const { showMore, translate, cx } = this.props;
const { extended } = this.state;
const disabled = this.props.limit >= this.props.items.length;
if (!showMore) {
return null;
}
return (
<button
disabled={disabled}
className={cx('showMore', disabled && 'showMore--disabled')}
onClick={this.onShowMoreClick}
>
{translate('showMore', extended)}
</button>
);
}
renderSearchBox() {
const { cx, searchForItems, isFromSearch, translate, items, selectItem } =
this.props;
const noResults =
items.length === 0 && this.state.query !== '' ? (
<div className={cx('noResults')}>{translate('noResults')}</div>
) : null;
return (
<div className={cx('searchBox')}>
<SearchBox
currentRefinement={this.state.query}
refine={(value) => {
this.setState({ query: value });
searchForItems(value);
}}
focusShortcuts={[]}
translate={translate}
onSubmit={(e) => {
e.preventDefault();
e.stopPropagation();
if (isFromSearch && items.length > 0) {
selectItem(items[0], this.resetQuery);
}
}}
/>
{noResults}
</div>
);
}
render() {
const { cx, items, className, searchable, canRefine } = this.props;
const searchBox = searchable ? this.renderSearchBox() : null;
const rootClassName = classNames(
cx('', !canRefine && '-noRefinement'),
className
);
if (items.length === 0) {
return <div className={rootClassName}>{searchBox}</div>;
}
// Always limit the number of items we show on screen, since the actual
// number of retrieved items might vary with the `maxValuesPerFacet` config
// option.
return (
<div className={rootClassName}>
{searchBox}
<ul className={cx('list', !canRefine && 'list--noRefinement')}>
{items
.slice(0, this.getLimit())
.map((item) => this.renderItem(item, this.resetQuery))}
</ul>
{this.renderShowMore()}
</div>
);
}
}
export default List;
|