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import { type FilteredListProps, useFilteredList } from "@opencode-ai/ui/hooks"
import { createEffect, createSignal, For, onCleanup, type JSX, on, Show } from "solid-js"
import { createStore } from "solid-js/store"
import { Icon, type IconProps } from "./icon"
import { IconButton } from "./icon-button"
import { TextField } from "./text-field"
export interface ListSearchProps {
placeholder?: string
autofocus?: boolean
}
export interface ListProps<T> extends FilteredListProps<T> {
class?: string
children: (item: T) => JSX.Element
emptyMessage?: string
onKeyEvent?: (event: KeyboardEvent, item: T | undefined) => void
onMove?: (item: T | undefined) => void
activeIcon?: IconProps["name"]
filter?: string
search?: ListSearchProps | boolean
}
export interface ListRef {
onKeyDown: (e: KeyboardEvent) => void
setScrollRef: (el: HTMLDivElement | undefined) => void
}
export function List<T>(props: ListProps<T> & { ref?: (ref: ListRef) => void }) {
const [scrollRef, setScrollRef] = createSignal<HTMLDivElement | undefined>(undefined)
const [internalFilter, setInternalFilter] = createSignal("")
const [store, setStore] = createStore({
mouseActive: false,
})
const { filter, grouped, flat, active, setActive, onKeyDown, onInput } = useFilteredList<T>(props)
const searchProps = () => (typeof props.search === "object" ? props.search : {})
createEffect(() => {
if (props.filter !== undefined) {
onInput(props.filter)
}
})
createEffect((prev) => {
if (!props.search) return
const current = internalFilter()
if (prev !== current) {
onInput(current)
}
return current
}, "")
createEffect(
on(
filter,
() => {
scrollRef()?.scrollTo(0, 0)
},
{ defer: true },
),
)
createEffect(() => {
if (!scrollRef()) return
if (!props.current) return
const key = props.key(props.current)
requestAnimationFrame(() => {
const element = scrollRef()!.querySelector(`[data-key="${key}"]`)
element?.scrollIntoView({ block: "center" })
})
})
createEffect(() => {
const all = flat()
if (store.mouseActive || all.length === 0) return
if (active() === props.key(all[0])) {
scrollRef()?.scrollTo(0, 0)
return
}
const element = scrollRef()?.querySelector(`[data-key="${active()}"]`)
element?.scrollIntoView({ block: "center", behavior: "smooth" })
})
createEffect(() => {
const all = flat()
const current = active()
const item = all.find((x) => props.key(x) === current)
props.onMove?.(item)
})
const handleSelect = (item: T | undefined, index: number) => {
props.onSelect?.(item, index)
}
const handleKey = (e: KeyboardEvent) => {
setStore("mouseActive", false)
if (e.key === "Escape") return
const all = flat()
const selected = all.find((x) => props.key(x) === active())
const index = selected ? all.indexOf(selected) : -1
props.onKeyEvent?.(e, selected)
if (e.key === "Enter") {
e.preventDefault()
if (selected) handleSelect(selected, index)
} else {
onKeyDown(e)
}
}
props.ref?.({
onKeyDown: handleKey,
setScrollRef,
})
function GroupHeader(props: { category: string }): JSX.Element {
const [stuck, setStuck] = createSignal(false)
const [header, setHeader] = createSignal<HTMLDivElement | undefined>(undefined)
createEffect(() => {
const scroll = scrollRef()
const node = header()
if (!scroll || !node) return
const handler = () => {
const rect = node.getBoundingClientRect()
const scrollRect = scroll.getBoundingClientRect()
setStuck(rect.top <= scrollRect.top + 1 && scroll.scrollTop > 0)
}
scroll.addEventListener("scroll", handler, { passive: true })
handler()
onCleanup(() => scroll.removeEventListener("scroll", handler))
})
return (
<div data-slot="list-header" data-stuck={stuck()} ref={setHeader}>
{props.category}
</div>
)
}
return (
<div data-component="list" classList={{ [props.class ?? ""]: !!props.class }}>
<Show when={!!props.search}>
<div data-slot="list-search">
<div data-slot="list-search-container">
<Icon name="magnifying-glass" />
<TextField
autofocus={searchProps().autofocus}
variant="ghost"
data-slot="list-search-input"
type="text"
value={internalFilter()}
onChange={setInternalFilter}
onKeyDown={handleKey}
placeholder={searchProps().placeholder}
spellcheck={false}
autocorrect="off"
autocomplete="off"
autocapitalize="off"
/>
</div>
<Show when={internalFilter()}>
<IconButton icon="circle-x" variant="ghost" onClick={() => setInternalFilter("")} />
</Show>
</div>
</Show>
<div ref={setScrollRef} data-slot="list-scroll">
<Show
when={flat().length > 0}
fallback={
<div data-slot="list-empty-state">
<div data-slot="list-message">
{props.emptyMessage ?? "No results"} for <span data-slot="list-filter">"{filter()}"</span>
</div>
</div>
}
>
<For each={grouped()}>
{(group) => (
<div data-slot="list-group">
<Show when={group.category}>
<GroupHeader category={group.category} />
</Show>
<div data-slot="list-items">
<For each={group.items}>
{(item, i) => (
<button
data-slot="list-item"
data-key={props.key(item)}
data-active={props.key(item) === active()}
data-selected={item === props.current}
onClick={() => handleSelect(item, i())}
type="button"
onMouseMove={() => {
setStore("mouseActive", true)
setActive(props.key(item))
}}
onMouseLeave={() => {
setActive(null)
}}
>
{props.children(item)}
<Show when={item === props.current}>
<span data-slot="list-item-selected-icon">
<Icon name="check-small" />
</span>
</Show>
<Show when={props.activeIcon}>
{(icon) => (
<span data-slot="list-item-active-icon">
<Icon name={icon()} />
</span>
)}
</Show>
</button>
)}
</For>
</div>
</div>
)}
</For>
</Show>
</div>
</div>
)
}
|
