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import React, { useState, useRef, useEffect } from "react"; |
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import { ChevronDown, X, Search, Check } from "lucide-react"; |
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import { __ } from "../../lib/i18n"; |
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import { Input } from "./input"; |
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|
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export interface MultiSelectOption { |
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value: string | number; |
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label: string; |
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} |
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|
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export interface MultiSelectProps { |
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value: (string | number)[]; |
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onChange: (value: (string | number)[]) => void; |
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options: MultiSelectOption[]; |
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placeholder?: string; |
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searchPlaceholder?: string; |
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className?: string; |
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error?: boolean; |
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disabled?: boolean; |
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} |
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|
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export const MultiSelect: React.FC<MultiSelectProps> = ({ |
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value, |
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onChange, |
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options, |
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placeholder = __("Select options...", "yatra"), |
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searchPlaceholder = __("Search...", "yatra"), |
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className = "", |
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error = false, |
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disabled = false, |
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}) => { |
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const [isOpen, setIsOpen] = useState(false); |
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const [searchTerm, setSearchTerm] = useState(""); |
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const containerRef = useRef<HTMLDivElement>(null); |
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const searchInputRef = useRef<HTMLInputElement>(null); |
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|
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// Filter options based on search term |
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const filteredOptions = options.filter((option) => |
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option.label.toLowerCase().includes(searchTerm.toLowerCase()), |
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); |
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|
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// Get selected options |
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const selectedOptions = options.filter((opt) => |
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value.some((v) => String(v) === String(opt.value)), |
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); |
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|
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// Close dropdown when clicking outside |
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useEffect(() => { |
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const handleClickOutside = (event: MouseEvent) => { |
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if ( |
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containerRef.current && |
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!containerRef.current.contains(event.target as Node) |
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) { |
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setIsOpen(false); |
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setSearchTerm(""); |
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} |
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}; |
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|
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if (isOpen) { |
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document.addEventListener("mousedown", handleClickOutside); |
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setTimeout(() => { |
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searchInputRef.current?.focus(); |
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}, 100); |
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} |
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|
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return () => { |
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document.removeEventListener("mousedown", handleClickOutside); |
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}; |
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}, [isOpen]); |
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|
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const handleToggle = (optionValue: string | number) => { |
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const isSelected = value.some((v) => String(v) === String(optionValue)); |
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if (isSelected) { |
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onChange(value.filter((v) => String(v) !== String(optionValue))); |
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} else { |
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onChange([...value, optionValue]); |
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} |
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}; |
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|
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const handleRemove = (optionValue: string | number, e: React.MouseEvent) => { |
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e.stopPropagation(); |
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onChange(value.filter((v) => String(v) !== String(optionValue))); |
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}; |
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|
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const handleClearAll = (e: React.MouseEvent) => { |
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e.stopPropagation(); |
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onChange([]); |
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}; |
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|
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return ( |
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<div |
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ref={containerRef} |
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className={`relative ${className}`} |
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style={{ zIndex: isOpen ? 9999 : "auto" }} |
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> |
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<div |
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onClick={() => !disabled && setIsOpen(!isOpen)} |
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className={`flex min-h-11 w-full rounded-md border-2 ${ |
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error ? "border-red-500" : "border-gray-300 dark:border-gray-600" |
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} bg-white dark:bg-gray-800 px-3 py-2 text-base ring-offset-white cursor-pointer focus-within:outline-none focus-within:ring-2 focus-within:ring-blue-500 focus-within:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50 dark:ring-offset-gray-900 dark:focus-within:ring-blue-400 transition-colors ${ |
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disabled ? "opacity-50 cursor-not-allowed" : "" |
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}`} |
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> |
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<div className="flex-1 flex flex-wrap gap-1.5 items-center"> |
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{selectedOptions.length > 0 ? ( |
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selectedOptions.map((option) => ( |
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<span |
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key={option.value} |
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className="inline-flex items-center gap-1 px-2 py-0.5 rounded-md bg-blue-100 dark:bg-blue-900/40 text-blue-800 dark:text-blue-300 text-sm" |
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> |
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{option.label} |
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{!disabled && ( |
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<button |
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type="button" |
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onClick={(e) => handleRemove(option.value, e)} |
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className="hover:bg-blue-200 dark:hover:bg-blue-800 rounded-full p-0.5" |
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> |
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<X className="w-3 h-3" /> |
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</button> |
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)} |
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</span> |
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)) |
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) : ( |
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<span className="text-gray-500 dark:text-gray-400"> |
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{placeholder} |
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</span> |
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)} |
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</div> |
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<div className="flex items-center gap-1 ml-2"> |
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{value.length > 0 && !disabled && ( |
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<button |
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type="button" |
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onClick={handleClearAll} |
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className="p-0.5 hover:bg-gray-100 dark:hover:bg-gray-700 rounded" |
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aria-label={__("Clear all", "yatra")} |
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> |
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<X className="w-4 h-4 text-gray-400" /> |
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</button> |
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)} |
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<ChevronDown |
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className={`w-4 h-4 text-gray-400 transition-transform ${isOpen ? "rotate-180" : ""}`} |
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/> |
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</div> |
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</div> |
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|
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{isOpen && ( |
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<div className="absolute z-[9999] w-full mt-1 bg-white dark:bg-gray-800 border-2 border-gray-300 dark:border-gray-600 rounded-md shadow-lg max-h-72 overflow-visible"> |
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{/* Search Input */} |
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<div className="p-2 border-b border-gray-200 dark:border-gray-700"> |
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<div className="relative"> |
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<Search className="absolute left-2.5 top-1/2 transform -translate-y-1/2 w-4 h-4 text-gray-400" /> |
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<Input |
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ref={searchInputRef} |
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type="text" |
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placeholder={searchPlaceholder} |
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value={searchTerm} |
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onChange={(e) => setSearchTerm(e.target.value)} |
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className="pl-8 h-9" |
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onClick={(e) => e.stopPropagation()} |
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/> |
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</div> |
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</div> |
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|
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{/* Options List */} |
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<div className="max-h-52 overflow-y-auto"> |
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{filteredOptions.length === 0 ? ( |
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<div className="px-3 py-3 text-sm text-gray-500 dark:text-gray-400 text-center"> |
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{__("No options found", "yatra")} |
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</div> |
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) : ( |
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filteredOptions.map((option) => { |
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const isSelected = value.some( |
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(v) => String(v) === String(option.value), |
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); |
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return ( |
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<button |
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key={option.value} |
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type="button" |
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onClick={() => handleToggle(option.value)} |
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className={`w-full px-3 py-2.5 text-left text-sm flex items-center justify-between hover:bg-gray-100 dark:hover:bg-gray-700 transition-colors ${ |
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isSelected |
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? "bg-blue-50 dark:bg-blue-900/20 text-blue-700 dark:text-blue-400" |
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: "text-gray-900 dark:text-white" |
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}`} |
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> |
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<span>{option.label}</span> |
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{isSelected && ( |
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<Check className="w-4 h-4 text-blue-600 dark:text-blue-400" /> |
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)} |
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</button> |
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); |
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}) |
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)} |
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</div> |
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|
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{/* Selected count */} |
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{value.length > 0 && ( |
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<div className="px-3 py-2 border-t border-gray-200 dark:border-gray-700 text-xs text-gray-500 dark:text-gray-400"> |
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{value.length}{" "} |
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{value.length === 1 |
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? __("selected", "yatra") |
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: __("selected", "yatra")} |
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</div> |
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)} |
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</div> |
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)} |
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</div> |
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); |
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}; |
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|
