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import { Check } from "lucide-react";
import * as React from "react";
import {
Command,
CommandEmpty,
CommandGroup,
CommandInput,
CommandItem,
CommandList,
CommandSeparator,
} from "@/ahuora-design-system/ui/command";
import {
Popover,
PopoverContent,
PopoverTrigger,
} from "@/ahuora-design-system/ui/popover";
import { cn } from "@/lib/utils";
import { ScrollArea } from "./scroll-area";
export interface ComboboxOption {
value: string;
label: string;
}
export interface ComboboxProps {
options: {
type: "group" | "item" | "separator";
label?: string; // Only for groups
options?: ComboboxOption[]; // Only for groups
value?: string; // Only for items
}[];
selectedValues: string[];
onChange: (values: string[]) => void;
searchPlaceholder?: string;
renderItem?: (option: ComboboxOption, isSelected: boolean) => React.ReactNode;
emptyMessage?: string;
noGroupItemsMessage?: React.ReactNode;
trigger: React.ReactNode;
renderSelectedValues?: (
setOpen?: (isOpen: boolean) => void,
) => React.ReactNode;
}
export const Combobox: React.FC<ComboboxProps> = ({
options,
selectedValues,
onChange,
searchPlaceholder = "Search...",
renderItem,
emptyMessage = "No options found.",
noGroupItemsMessage = "No items selected.",
trigger,
renderSelectedValues,
}) => {
const [open, setOpen] = React.useState(false);
const commandList = React.useRef<HTMLDivElement>(null);
const handleToggle = (value: string) => {
const updatedValues = selectedValues.includes(value)
? selectedValues.filter((v) => v !== value) // Remove if already selected
: [...selectedValues, value]; // Add if not selected
onChange(updatedValues);
};
const defaultRenderItem = (option: ComboboxOption, isSelected: boolean) => (
<>
{option.label}
<Check
size={16}
className={cn("ml-auto", isSelected ? "opacity-100" : "opacity-0")}
/>
</>
);
return (
<Popover open={open} onOpenChange={setOpen} modal={true}>
<PopoverTrigger asChild>{trigger}</PopoverTrigger>
<PopoverContent
className="w-[250px] p-2"
side="right"
sideOffset={26}
align="start"
>
<Command position="popper" className="h-[300px]">
{renderSelectedValues && (
<div className="p-2">{renderSelectedValues(setOpen)}</div>
)}
<CommandInput
placeholder={searchPlaceholder}
onValueChange={() => {
// Scroll to top when search input changes
commandList.current
?.querySelector("[data-radix-scroll-area-viewport]")
.scrollTo(0, 0);
}}
/>
<CommandList className="h-[300px]">
<ScrollArea ref={commandList} className="h-[300px]">
<CommandEmpty>{emptyMessage}</CommandEmpty>
{options.map((option, idx) => {
if (option.type === "group") {
const groupHasOptions =
option.options && option.options.length > 0;
return (
<CommandGroup key={idx} heading={option.label}>
{groupHasOptions
? option.options?.map((item) => {
const isSelected = selectedValues?.includes(
item?.value,
);
return (
<CommandItem
key={item.value}
value={item.value}
onSelect={() => handleToggle(item.value)}
>
{renderItem
? renderItem(item, isSelected)
: defaultRenderItem(item, isSelected)}
</CommandItem>
);
})
: (option.label === "Selected compounds" ||
option.label === "Recommended") && (
<small className="px-2 py-0 text-zinc-500 italic">
{option.label === "Selected compounds"
? noGroupItemsMessage
: "No recommended compounds"}
</small>
)}
</CommandGroup>
);
}
if (option.type === "separator") {
return <CommandSeparator key={idx} />;
}
return null;
})}
</ScrollArea>
</CommandList>
</Command>
</PopoverContent>
</Popover>
);
};
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