app/apps/frontend/src/components/ui/multiple-selector.tsx
Mathis bfe49f65ec
Refactor frontend components and API interactions
Removed redundant API endpoint and added reusable hooks. Implemented various UI component updates including loading spinner, file upload form, and machine selector. Improved state management in page and layout components and introduced new request handling functionalities.
2024-10-24 16:14:20 +02:00

609 lines
19 KiB
TypeScript

'use client';
import { Command as CommandPrimitive, useCommandState } from 'cmdk';
import { X } from 'lucide-react';
import * as React from 'react';
import { forwardRef, useEffect } from 'react';
import { Badge } from './badge';
import { Command, CommandGroup, CommandItem, CommandList } from './command';
import { cn } from '../../lib/utils';
export interface Option {
value: string;
label: string;
disable?: boolean;
/** fixed option that can't be removed. */
fixed?: boolean;
/** Group the options by providing key. */
[key: string]: string | boolean | undefined;
}
interface GroupOption {
[key: string]: Option[];
}
interface MultipleSelectorProps {
value?: Option[];
defaultOptions?: Option[];
/** manually controlled options */
options?: Option[];
placeholder?: string;
/** Loading component. */
loadingIndicator?: React.ReactNode;
/** Empty component. */
emptyIndicator?: React.ReactNode;
/** Debounce time for async search. Only work with `onSearch`. */
delay?: number;
/**
* Only work with `onSearch` prop. Trigger search when `onFocus`.
* For example, when user click on the input, it will trigger the search to get initial options.
**/
triggerSearchOnFocus?: boolean;
/** async search */
onSearch?: (value: string) => Promise<Option[]>;
/**
* sync search. This search will not showing loadingIndicator.
* The rest props are the same as async search.
* i.e.: creatable, groupBy, delay.
**/
onSearchSync?: (value: string) => Option[];
onChange?: (options: Option[]) => void;
/** Limit the maximum number of selected options. */
maxSelected?: number;
/** When the number of selected options exceeds the limit, the onMaxSelected will be called. */
onMaxSelected?: (maxLimit: number) => void;
/** Hide the placeholder when there are options selected. */
hidePlaceholderWhenSelected?: boolean;
disabled?: boolean;
/** Group the options base on provided key. */
groupBy?: string;
className?: string;
badgeClassName?: string;
/**
* First item selected is a default behavior by cmdk. That is why the default is true.
* This is a workaround solution by add a dummy item.
*
* @reference: https://github.com/pacocoursey/cmdk/issues/171
*/
selectFirstItem?: boolean;
/** Allow user to create option when there is no option matched. */
creatable?: boolean;
/** Props of `Command` */
commandProps?: React.ComponentPropsWithoutRef<typeof Command>;
/** Props of `CommandInput` */
inputProps?: Omit<
React.ComponentPropsWithoutRef<typeof CommandPrimitive.Input>,
'value' | 'placeholder' | 'disabled'
>;
/** hide the clear all button. */
hideClearAllButton?: boolean;
}
export interface MultipleSelectorRef {
selectedValue: Option[];
input: HTMLInputElement;
focus: () => void;
reset: () => void;
}
export function useDebounce<T>(value: T, delay?: number): T {
const [debouncedValue, setDebouncedValue] = React.useState<T>(value);
useEffect(() => {
const timer = setTimeout(() => setDebouncedValue(value), delay || 500);
return () => {
clearTimeout(timer);
};
}, [value, delay]);
return debouncedValue;
}
function transToGroupOption(options: Option[], groupBy?: string) {
if (options.length === 0) {
return {};
}
if (!groupBy) {
return {
'': options,
};
}
const groupOption: GroupOption = {};
options.forEach((option) => {
const key = (option[groupBy] as string) || '';
if (!groupOption[key]) {
groupOption[key] = [];
}
groupOption[key].push(option);
});
return groupOption;
}
function removePickedOption(groupOption: GroupOption, picked: Option[]) {
const cloneOption = JSON.parse(JSON.stringify(groupOption)) as GroupOption;
for (const [key, value] of Object.entries(cloneOption)) {
cloneOption[key] = value.filter((val) => !picked.find((p) => p.value === val.value));
}
return cloneOption;
}
function isOptionsExist(groupOption: GroupOption, targetOption: Option[]) {
for (const [, value] of Object.entries(groupOption)) {
if (value.some((option) => targetOption.find((p) => p.value === option.value))) {
return true;
}
}
return false;
}
/**
* The `CommandEmpty` of shadcn/ui will cause the cmdk empty not rendering correctly.
* So we create one and copy the `Empty` implementation from `cmdk`.
*
* @reference: https://github.com/hsuanyi-chou/shadcn-ui-expansions/issues/34#issuecomment-1949561607
**/
const CommandEmpty = forwardRef<
HTMLDivElement,
React.ComponentProps<typeof CommandPrimitive.Empty>
>(({ className, ...props }, forwardedRef) => {
const render = useCommandState((state) => state.filtered.count === 0);
if (!render) return null;
return (
<div
ref={forwardedRef}
className={cn('py-6 text-center text-sm', className)}
cmdk-empty=""
role="presentation"
{...props}
/>
);
});
CommandEmpty.displayName = 'CommandEmpty';
const MultipleSelector = React.forwardRef<MultipleSelectorRef, MultipleSelectorProps>(
(
{
value,
onChange,
placeholder,
defaultOptions: arrayDefaultOptions = [],
options: arrayOptions,
delay,
onSearch,
onSearchSync,
loadingIndicator,
emptyIndicator,
maxSelected = Number.MAX_SAFE_INTEGER,
onMaxSelected,
hidePlaceholderWhenSelected,
disabled,
groupBy,
className,
badgeClassName,
selectFirstItem = true,
creatable = false,
triggerSearchOnFocus = false,
commandProps,
inputProps,
hideClearAllButton = false,
}: MultipleSelectorProps,
ref: React.Ref<MultipleSelectorRef>,
) => {
const inputRef = React.useRef<HTMLInputElement>(null);
const [open, setOpen] = React.useState(false);
const [onScrollbar, setOnScrollbar] = React.useState(false);
const [isLoading, setIsLoading] = React.useState(false);
const dropdownRef = React.useRef<HTMLDivElement>(null); // Added this
const [selected, setSelected] = React.useState<Option[]>(value || []);
const [options, setOptions] = React.useState<GroupOption>(
transToGroupOption(arrayDefaultOptions, groupBy),
);
const [inputValue, setInputValue] = React.useState('');
const debouncedSearchTerm = useDebounce(inputValue, delay || 500);
React.useImperativeHandle(
ref,
() => ({
selectedValue: [...selected],
input: inputRef.current as HTMLInputElement,
focus: () => inputRef?.current?.focus(),
reset: () => setSelected([])
}),
[selected],
);
const handleClickOutside = (event: MouseEvent | TouchEvent) => {
if (
dropdownRef.current &&
!dropdownRef.current.contains(event.target as Node) &&
inputRef.current &&
!inputRef.current.contains(event.target as Node)
) {
setOpen(false);
inputRef.current.blur();
}
};
const handleUnselect = React.useCallback(
(option: Option) => {
const newOptions = selected.filter((s) => s.value !== option.value);
setSelected(newOptions);
onChange?.(newOptions);
},
[onChange, selected],
);
const handleKeyDown = React.useCallback(
(e: React.KeyboardEvent<HTMLDivElement>) => {
const input = inputRef.current;
if (input) {
if (e.key === 'Delete' || e.key === 'Backspace') {
if (input.value === '' && selected.length > 0) {
const lastSelectOption = selected[selected.length - 1];
// If last item is fixed, we should not remove it.
if (!lastSelectOption.fixed) {
handleUnselect(selected[selected.length - 1]);
}
}
}
// This is not a default behavior of the <input /> field
if (e.key === 'Escape') {
input.blur();
}
}
},
[handleUnselect, selected],
);
useEffect(() => {
if (open) {
document.addEventListener('mousedown', handleClickOutside);
document.addEventListener('touchend', handleClickOutside);
} else {
document.removeEventListener('mousedown', handleClickOutside);
document.removeEventListener('touchend', handleClickOutside);
}
return () => {
document.removeEventListener('mousedown', handleClickOutside);
document.removeEventListener('touchend', handleClickOutside);
};
}, [open]);
useEffect(() => {
if (value) {
setSelected(value);
}
}, [value]);
useEffect(() => {
/** If `onSearch` is provided, do not trigger options updated. */
if (!arrayOptions || onSearch) {
return;
}
const newOption = transToGroupOption(arrayOptions || [], groupBy);
if (JSON.stringify(newOption) !== JSON.stringify(options)) {
setOptions(newOption);
}
}, [arrayDefaultOptions, arrayOptions, groupBy, onSearch, options]);
useEffect(() => {
/** sync search */
const doSearchSync = () => {
const res = onSearchSync?.(debouncedSearchTerm);
setOptions(transToGroupOption(res || [], groupBy));
};
const exec = async () => {
if (!onSearchSync || !open) return;
if (triggerSearchOnFocus) {
doSearchSync();
}
if (debouncedSearchTerm) {
doSearchSync();
}
};
void exec();
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [debouncedSearchTerm, groupBy, open, triggerSearchOnFocus]);
useEffect(() => {
/** async search */
const doSearch = async () => {
setIsLoading(true);
const res = await onSearch?.(debouncedSearchTerm);
setOptions(transToGroupOption(res || [], groupBy));
setIsLoading(false);
};
const exec = async () => {
if (!onSearch || !open) return;
if (triggerSearchOnFocus) {
await doSearch();
}
if (debouncedSearchTerm) {
await doSearch();
}
};
void exec();
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [debouncedSearchTerm, groupBy, open, triggerSearchOnFocus]);
const CreatableItem = () => {
if (!creatable) return undefined;
if (
isOptionsExist(options, [{ value: inputValue, label: inputValue }]) ||
selected.find((s) => s.value === inputValue)
) {
return undefined;
}
const Item = (
<CommandItem
value={inputValue}
className="cursor-pointer"
onMouseDown={(e) => {
e.preventDefault();
e.stopPropagation();
}}
onSelect={(value: string) => {
if (selected.length >= maxSelected) {
onMaxSelected?.(selected.length);
return;
}
setInputValue('');
const newOptions = [...selected, { value, label: value }];
setSelected(newOptions);
onChange?.(newOptions);
}}
>
{`Create "${inputValue}"`}
</CommandItem>
);
// For normal creatable
if (!onSearch && inputValue.length > 0) {
return Item;
}
// For async search creatable. avoid showing creatable item before loading at first.
if (onSearch && debouncedSearchTerm.length > 0 && !isLoading) {
return Item;
}
return undefined;
};
const EmptyItem = React.useCallback(() => {
if (!emptyIndicator) return undefined;
// For async search that showing emptyIndicator
if (onSearch && !creatable && Object.keys(options).length === 0) {
return (
<CommandItem value="-" disabled>
{emptyIndicator}
</CommandItem>
);
}
return <CommandEmpty>{emptyIndicator}</CommandEmpty>;
}, [creatable, emptyIndicator, onSearch, options]);
const selectables = React.useMemo<GroupOption>(
() => removePickedOption(options, selected),
[options, selected],
);
/** Avoid Creatable Selector freezing or lagging when paste a long string. */
const commandFilter = React.useCallback(() => {
if (commandProps?.filter) {
return commandProps.filter;
}
if (creatable) {
return (value: string, search: string) => {
return value.toLowerCase().includes(search.toLowerCase()) ? 1 : -1;
};
}
// Using default filter in `cmdk`. We don't have to provide it.
return undefined;
}, [creatable, commandProps?.filter]);
return (
<Command
ref={dropdownRef}
{...commandProps}
onKeyDown={(e) => {
handleKeyDown(e);
commandProps?.onKeyDown?.(e);
}}
className={cn('h-auto overflow-visible bg-transparent', commandProps?.className)}
shouldFilter={
commandProps?.shouldFilter !== undefined ? commandProps.shouldFilter : !onSearch
} // When onSearch is provided, we don't want to filter the options. You can still override it.
filter={commandFilter()}
>
<div
className={cn(
'min-h-10 rounded-md border border-input text-sm ring-offset-background focus-within:ring-2 focus-within:ring-ring focus-within:ring-offset-2',
{
'px-3 py-2': selected.length !== 0,
'cursor-text': !disabled && selected.length !== 0,
},
className,
)}
onClick={() => {
if (disabled) return;
inputRef?.current?.focus();
}}
>
<div className="relative flex flex-wrap gap-1">
{selected.map((option) => {
return (
<Badge
key={option.value}
className={cn(
'data-[disabled]:bg-muted-foreground data-[disabled]:text-muted data-[disabled]:hover:bg-muted-foreground',
'data-[fixed]:bg-muted-foreground data-[fixed]:text-muted data-[fixed]:hover:bg-muted-foreground',
badgeClassName,
)}
data-fixed={option.fixed}
data-disabled={disabled || undefined}
>
{option.label}
<button
className={cn(
'ml-1 rounded-full outline-none ring-offset-background focus:ring-2 focus:ring-ring focus:ring-offset-2',
(disabled || option.fixed) && 'hidden',
)}
onKeyDown={(e) => {
if (e.key === 'Enter') {
handleUnselect(option);
}
}}
onMouseDown={(e) => {
e.preventDefault();
e.stopPropagation();
}}
onClick={() => handleUnselect(option)}
>
<X className="h-3 w-3 text-muted-foreground hover:text-foreground" />
</button>
</Badge>
);
})}
{/* Avoid having the "Search" Icon */}
<CommandPrimitive.Input
{...inputProps}
ref={inputRef}
value={inputValue}
disabled={disabled}
onValueChange={(value) => {
setInputValue(value);
inputProps?.onValueChange?.(value);
}}
onBlur={(event) => {
if (!onScrollbar) {
setOpen(false);
}
inputProps?.onBlur?.(event);
}}
onFocus={(event) => {
setOpen(true);
triggerSearchOnFocus && onSearch?.(debouncedSearchTerm);
inputProps?.onFocus?.(event);
}}
placeholder={hidePlaceholderWhenSelected && selected.length !== 0 ? '' : placeholder}
className={cn(
'flex-1 bg-transparent outline-none placeholder:text-muted-foreground',
{
'w-full': hidePlaceholderWhenSelected,
'px-3 py-2': selected.length === 0,
'ml-1': selected.length !== 0,
},
inputProps?.className,
)}
/>
<button
type="button"
onClick={() => {
setSelected(selected.filter((s) => s.fixed));
onChange?.(selected.filter((s) => s.fixed));
}}
className={cn(
'absolute right-0 h-6 w-6 p-0',
(hideClearAllButton ||
disabled ||
selected.length < 1 ||
selected.filter((s) => s.fixed).length === selected.length) &&
'hidden',
)}
>
<X />
</button>
</div>
</div>
<div className="relative">
{open && (
<CommandList
className="absolute top-1 z-10 w-full rounded-md border bg-popover text-popover-foreground shadow-md outline-none animate-in"
onMouseLeave={() => {
setOnScrollbar(false);
}}
onMouseEnter={() => {
setOnScrollbar(true);
}}
onMouseUp={() => {
inputRef?.current?.focus();
}}
>
{isLoading ? (
<>{loadingIndicator}</>
) : (
<>
{EmptyItem()}
{CreatableItem()}
{!selectFirstItem && <CommandItem value="-" className="hidden" />}
{Object.entries(selectables).map(([key, dropdowns]) => (
<CommandGroup key={key} heading={key} className="h-full overflow-auto">
<>
{dropdowns.map((option) => {
return (
<CommandItem
key={option.value}
value={option.value}
disabled={option.disable}
onMouseDown={(e) => {
e.preventDefault();
e.stopPropagation();
}}
onSelect={() => {
if (selected.length >= maxSelected) {
onMaxSelected?.(selected.length);
return;
}
setInputValue('');
const newOptions = [...selected, option];
setSelected(newOptions);
onChange?.(newOptions);
}}
className={cn(
'cursor-pointer',
option.disable && 'cursor-default text-muted-foreground',
)}
>
{option.label}
</CommandItem>
);
})}
</>
</CommandGroup>
))}
</>
)}
</CommandList>
)}
</div>
</Command>
);
},
);
MultipleSelector.displayName = 'MultipleSelector';
export default MultipleSelector;