calque/src/features/file/grid.tsx
2024-10-23 14:01:20 +02:00

233 lines
No EOL
7.5 KiB
TypeScript

import { Accessor, Component, createContext, createEffect, createMemo, createSignal, For, onMount, ParentComponent, Show, useContext } from "solid-js";
import { createStore, produce } from "solid-js/store";
import { SelectionProvider, useSelection, selectable } from "../selectable";
import css from './grid.module.css';
selectable // prevents removal of import
const debounce = <T extends (...args: any[]) => void>(callback: T, delay: number): T => {
let handle: ReturnType<typeof setTimeout> | undefined;
return (...args: any[]) => {
if (handle) {
clearTimeout(handle);
}
handle = setTimeout(() => callback(...args), delay);
}
};
interface Leaf extends Record<string, string> { }
export interface Entry extends Record<string, Entry | Leaf> { }
type Rows = Record<string, { [lang: string]: { original: string, value: string } }>;
export interface GridContextType {
readonly rows: Accessor<Rows>;
readonly selection: Accessor<object[]>;
mutate(prop: string, lang: string, value: string): void;
}
export interface GridApi {
readonly rows: Accessor<Rows>;
selectAll(): void;
clear(): void;
}
const GridContext = createContext<GridContextType>();
const isLeaf = (entry: Entry | Leaf): entry is Leaf => Object.values(entry).some(v => typeof v === 'string');
const useGrid = () => useContext(GridContext)!;
const GridProvider: ParentComponent<{ rows: Map<string, { [lang: string]: { value: string, handle: FileSystemFileHandle } }> }> = (props) => {
const [selection, setSelection] = createSignal<object[]>([]);
const [state, setState] = createStore<{ rows: Rows, numberOfRows: number }>({
rows: {},
numberOfRows: 0,
});
createEffect(() => {
const rows = props.rows
.entries()
.map(([prop, entry]) => [prop, Object.fromEntries(Object.entries(entry).map(([lang, { value }]) => [lang, { original: value, value }]))]);
setState('rows', Object.fromEntries(rows));
});
createEffect(() => {
setState('numberOfRows', Object.keys(state.rows).length);
});
const ctx: GridContextType = {
rows: createMemo(() => state.rows),
selection,
mutate(prop: string, lang: string, value: string) {
setState('rows', produce(rows => {
rows[prop][lang].value = value;
}));
},
};
return <GridContext.Provider value={ctx}>
<SelectionProvider selection={setSelection} multiSelect>
{props.children}
</SelectionProvider>
</GridContext.Provider>;
};
export const Grid: Component<{ class?: string, columns: string[], rows: Map<string, { [lang: string]: { value: string, handle: FileSystemFileHandle } }>, api?: (api: GridApi) => any }> = (props) => {
const columnCount = createMemo(() => props.columns.length - 1);
const root = createMemo<Entry>(() => {
return props.rows
?.entries()
.map(([key, value]) => [key, Object.fromEntries(Object.entries(value).map(([lang, { value }]) => [lang, value]))] as const)
.reduce((aggregate, [key, entry]) => {
let obj: any = aggregate;
const parts = key.split('.');
for (const [i, part] of parts.entries()) {
if (Object.hasOwn(obj, part) === false) {
obj[part] = {};
}
if (i === (parts.length - 1)) {
obj[part] = entry;
}
else {
obj = obj[part];
}
}
return aggregate;
}, {});
});
return <section class={`${css.table} ${props.class}`} style={{ '--columns': columnCount() }}>
<GridProvider rows={props.rows}>
<Api api={props.api} />
<Head headers={props.columns} />
<main class={css.main}>
<Row entry={root()} />
</main>
</GridProvider>
</section>
};
const Api: Component<{ api: undefined | ((api: GridApi) => any) }> = (props) => {
const gridContext = useGrid();
const selectionContext = useSelection();
const api: GridApi = {
rows: gridContext.rows,
selectAll() {
selectionContext.selectAll();
},
clear() {
selectionContext.clear();
},
};
createEffect(() => {
props.api?.(api);
});
return null;
};
const Head: Component<{ headers: string[] }> = (props) => {
const context = useSelection();
return <header class={css.header}>
<div class={css.cell}>
<input
type="checkbox"
checked={context.selection().length > 0 && context.selection().length === context.length()}
indeterminate={context.selection().length !== 0 && context.selection().length !== context.length()}
on:input={(e: InputEvent) => e.target.checked ? context.selectAll() : context.clear()}
/>
</div>
<For each={props.headers}>{
header => <span class={css.cell}>{header}</span>
}</For>
</header>;
};
const Row: Component<{ entry: Entry, path?: string[] }> = (props) => {
const grid = useGrid();
return <For each={Object.entries(props.entry)}>{
([key, value]) => {
const values = Object.entries(value);
const path = [...(props.path ?? []), key];
const k = path.join('.');
const context = useSelection();
const isSelected = context.isSelected(k);
return <Show when={isLeaf(value)} fallback={<Group key={key} entry={value as Entry} path={path} />}>
<div class={css.row} use:selectable={{ value, key: k }}>
<div class={css.cell}>
<input type="checkbox" checked={isSelected()} oninput={() => context.select([k], { append: true })} />
</div>
<div class={css.cell}>
<span style={{ '--depth': path.length - 1 }}>{key}</span>
</div>
<For each={values}>{
([lang, value]) => <div class={css.cell}>
<TextArea key={k} value={value} lang={lang} oninput={(e) => grid.mutate(k, lang, e.data ?? '')} />
</div>
}</For>
</div>
</Show>;
}
}</For>
};
const Group: Component<{ key: string, entry: Entry, path: string[] }> = (props) => {
return <details open>
<summary style={{ '--depth': props.path.length - 1 }}>{props.key}</summary>
<Row entry={props.entry} path={props.path} />
</details>;
};
const TextArea: Component<{ key: string, value: string, lang: string, oninput?: (event: InputEvent) => any }> = (props) => {
let element: HTMLTextAreaElement;
const resize = () => {
element.style.height = `1px`;
element.style.height = `${2 + element.scrollHeight}px`;
};
const mutate = debounce(() => {
props.oninput?.(new InputEvent('input', {
data: element.value.trim(),
}))
}, 300);
const onKeyUp = (e: KeyboardEvent) => {
resize();
mutate();
};
onMount(() => {
resize();
});
return <textarea
ref={element}
value={props.value}
lang={props.lang}
placeholder={props.lang}
name={`${props.key}:${props.lang}`}
spellcheck
wrap="soft"
onkeyup={onKeyUp}
/>
};