File size: 6,260 Bytes
dd079af 21786f2 dd079af | 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 | import { useEffect, useId, useRef, useState } from 'react';
import { useNavigate } from 'react-router-dom';
import { Search, X, CornerDownLeft, Layers, Box, FileText } from 'lucide-react';
import { api, type SearchResponse } from '../lib/api';
import { useDebounced } from '../lib/hooks';
import { chainLabel, chainPath, cleanFunction, sequencePath } from '../lib/format';
const CHAIN_RE = /^([0-9][A-Za-z0-9]{3})\s*[.:_\s/-]\s*([A-Za-z0-9]{1,4})$/;
interface Suggestion {
key: string;
to: string;
icon: 'chain' | 'sequence' | 'text';
primary: string;
secondary?: string;
}
function toSuggestions(r: SearchResponse): Suggestion[] {
const out: Suggestion[] = [];
for (const c of r.chains.slice(0, 8)) {
out.push({
key: `c-${c.pdb_id}-${c.auth_asym_id}`,
to: chainPath(c.pdb_id, c.auth_asym_id),
icon: 'chain',
primary: chainLabel(c.pdb_id, c.auth_asym_id),
secondary: [c.uniprot_id, c.sequence_id, c.state_id != null ? `state ${c.state_id}` : null].filter(Boolean).join(' · '),
});
}
for (const s of r.sequences.slice(0, 8)) {
out.push({
key: `s-${s.sequence_id}`,
to: sequencePath(s.sequence_id),
icon: 'sequence',
primary: `${s.sequence_id}${s.uniprot_id ? ` · ${s.uniprot_id}` : ''}`,
secondary: `${s.n_obs.toLocaleString()} observations · ${s.n_states.toLocaleString()} states${
s.top_function ? ` — ${cleanFunction(s.top_function)}` : ''
}`,
});
}
return out;
}
export function SearchBox({
size = 'md',
autoFocus = false,
placeholder = 'Search a chain (3vgk.A), PDB entry, UniProt, SEQ ID or function…',
}: {
size?: 'md' | 'lg';
autoFocus?: boolean;
placeholder?: string;
}) {
const navigate = useNavigate();
const [value, setValue] = useState('');
const [open, setOpen] = useState(false);
const [active, setActive] = useState(-1);
const [items, setItems] = useState<Suggestion[]>([]);
const [loading, setLoading] = useState(false);
const debounced = useDebounced(value.trim(), 220);
const listId = useId();
const wrapRef = useRef<HTMLDivElement>(null);
useEffect(() => {
if (debounced.length < 2) {
setItems([]);
return;
}
const controller = new AbortController();
setLoading(true);
api
.search(debounced, controller.signal)
.then((r) => {
setItems(toSuggestions(r));
setActive(-1);
})
.catch(() => {
if (!controller.signal.aborted) setItems([]);
})
.finally(() => {
if (!controller.signal.aborted) setLoading(false);
});
return () => controller.abort();
}, [debounced]);
useEffect(() => {
const onDoc = (e: MouseEvent) => {
if (!wrapRef.current?.contains(e.target as Node)) setOpen(false);
};
document.addEventListener('mousedown', onDoc);
return () => document.removeEventListener('mousedown', onDoc);
}, []);
const go = (to: string) => {
setOpen(false);
setValue('');
navigate(to);
};
const submit = () => {
if (active >= 0 && items[active]) return go(items[active].to);
const q = value.trim();
if (!q) return;
const m = CHAIN_RE.exec(q);
if (m) return go(chainPath(m[1], m[2]));
go(`/search?q=${encodeURIComponent(q)}`);
};
const showList = open && value.trim().length >= 2;
return (
<div className={`search search--${size}`} ref={wrapRef}>
<form
role="search"
onSubmit={(e) => {
e.preventDefault();
submit();
}}
>
<Search className="search__icon" aria-hidden />
<input
type="search"
value={value}
autoFocus={autoFocus}
placeholder={placeholder}
aria-label="Search MuSProt"
aria-expanded={showList}
aria-controls={listId}
aria-autocomplete="list"
role="combobox"
autoComplete="off"
spellCheck={false}
onFocus={() => setOpen(true)}
onChange={(e) => {
setValue(e.target.value);
setOpen(true);
}}
onKeyDown={(e) => {
if (e.key === 'ArrowDown') {
e.preventDefault();
setActive((a) => Math.min(items.length - 1, a + 1));
} else if (e.key === 'ArrowUp') {
e.preventDefault();
setActive((a) => Math.max(-1, a - 1));
} else if (e.key === 'Escape') {
setOpen(false);
}
}}
/>
{value && (
<button type="button" className="search__clear" aria-label="Clear" onClick={() => setValue('')}>
<X aria-hidden />
</button>
)}
<button type="submit" className="search__submit" aria-label="Search" title="Search">
{size === 'lg' ? 'Search' : <Search aria-hidden />}
</button>
</form>
{showList && (
<div className="search__pop" id={listId} role="listbox">
{loading && items.length === 0 && <div className="search__hint">Searching…</div>}
{!loading && items.length === 0 && (
<div className="search__hint">
Press <kbd>Enter</kbd> to search all fields for “{value.trim()}”
</div>
)}
{items.map((it, i) => (
<button
key={it.key}
type="button"
role="option"
aria-selected={i === active}
className={`search__item ${i === active ? 'is-active' : ''}`}
onMouseEnter={() => setActive(i)}
onClick={() => go(it.to)}
>
<span className={`search__kind search__kind--${it.icon}`}>
{it.icon === 'chain' ? <Box aria-hidden /> : it.icon === 'sequence' ? <Layers aria-hidden /> : <FileText aria-hidden />}
</span>
<span className="search__text">
<span className="search__primary mono">{it.primary}</span>
{it.secondary && <span className="search__secondary">{it.secondary}</span>}
</span>
{i === active && <CornerDownLeft className="search__enter" aria-hidden />}
</button>
))}
</div>
)}
</div>
);
}
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