lbry-desktop/src/ui/component/claimList/view.jsx
2019-07-01 14:53:46 -04:00

114 lines
3.3 KiB
JavaScript

// @flow
import { MAIN_WRAPPER_CLASS } from 'component/app/view';
import type { Node } from 'react';
import React, { useEffect } from 'react';
import classnames from 'classnames';
import ClaimPreview from 'component/claimPreview';
import Spinner from 'component/spinner';
import { FormField } from 'component/common/form';
import usePersistedState from 'util/use-persisted-state';
const SORT_NEW = 'new';
const SORT_OLD = 'old';
type Props = {
uris: Array<string>,
header: Node | boolean,
headerAltControls: Node,
injectedItem?: Node,
loading: boolean,
type: string,
empty?: string,
defaultSort?: boolean,
onScrollBottom?: any => void,
// If using the default header, this is a unique ID needed to persist the state of the filter setting
persistedStorageKey?: string,
};
export default function ClaimList(props: Props) {
const {
uris,
headerAltControls,
injectedItem,
loading,
persistedStorageKey,
empty,
defaultSort,
type,
header,
onScrollBottom,
} = props;
const [currentSort, setCurrentSort] = usePersistedState(persistedStorageKey, SORT_NEW);
const hasUris = uris && !!uris.length;
const sortedUris = (hasUris && (currentSort === SORT_NEW ? uris : uris.slice().reverse())) || [];
function handleSortChange() {
setCurrentSort(currentSort === SORT_NEW ? SORT_OLD : SORT_NEW);
}
const urisLength = uris && uris.length;
useEffect(() => {
function handleScroll(e) {
if (onScrollBottom) {
const x = document.querySelector(`.${MAIN_WRAPPER_CLASS}`);
if (x && window.scrollY + window.innerHeight >= x.offsetHeight) {
// fix this
if (!loading && urisLength > 19) {
onScrollBottom();
}
}
}
}
if (onScrollBottom) {
window.addEventListener('scroll', handleScroll);
return () => {
window.removeEventListener('scroll', handleScroll);
};
}
}, [loading, onScrollBottom, urisLength]);
return (
<section
className={classnames('claim-list', {
'claim-list--small': type === 'small',
})}
>
{header !== false && (
<div className={classnames('claim-list__header', { 'claim-list__header--small': type === 'small' })}>
{header}
{loading && <Spinner light type="small" />}
<div className="claim-list__alt-controls">
{headerAltControls}
{defaultSort && (
<FormField
className="claim-list__dropdown"
type="select"
name="file_sort"
value={currentSort}
onChange={handleSortChange}
>
<option value={SORT_NEW}>{__('Newest First')}</option>
<option value={SORT_OLD}>{__('Oldest First')}</option>
</FormField>
)}
</div>
</div>
)}
{hasUris && (
<ul>
{sortedUris.map((uri, index) => (
<React.Fragment key={uri}>
<ClaimPreview uri={uri} type={type} />
{index === 4 && injectedItem && <li className="claim-preview--injected">{injectedItem}</li>}
</React.Fragment>
))}
</ul>
)}
{!hasUris && !loading && <h2 className="main--empty empty">{empty || __('No results')}</h2>}
</section>
);
}