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d97b8f9 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 | import React, { useState, useRef, useEffect } from 'react';
import { cn } from '@/lib/utils';
import { ChevronDown, Check } from 'lucide-react';
export interface CustomSelectOption {
value: string;
label: string;
}
interface CustomSelectProps {
options: CustomSelectOption[];
value: string;
onChange: (value: string) => void;
placeholder?: string;
className?: string;
triggerClassName?: string;
dropdownClassName?: string;
disabled?: boolean;
}
export const CustomSelect: React.FC<CustomSelectProps> = ({
options,
value,
onChange,
placeholder = "Select an option",
className = "",
triggerClassName = "",
dropdownClassName = "",
disabled = false,
}) => {
const [isOpen, setIsOpen] = useState(false);
const containerRef = useRef<HTMLDivElement>(null);
const dropdownRef = useRef<HTMLDivElement>(null);
// Get the selected option label
const selectedOption = options.find(option => option.value === value);
const displayValue = selectedOption ? selectedOption.label : placeholder;
// Close dropdown when clicking outside
useEffect(() => {
const handleClickOutside = (event: MouseEvent) => {
if (containerRef.current && !containerRef.current.contains(event.target as Node)) {
setIsOpen(false);
}
};
const handleTouchStart = (event: TouchEvent) => {
if (containerRef.current && !containerRef.current.contains(event.target as Node)) {
setIsOpen(false);
}
};
if (isOpen) {
document.addEventListener('mousedown', handleClickOutside);
document.addEventListener('touchstart', handleTouchStart, { passive: true });
}
return () => {
document.removeEventListener('mousedown', handleClickOutside);
document.removeEventListener('touchstart', handleTouchStart);
};
}, [isOpen]);
// Handle keyboard navigation
useEffect(() => {
const handleKeyDown = (e: KeyboardEvent) => {
if (!isOpen) return;
if (e.key === 'Escape') {
setIsOpen(false);
} else if (e.key === 'ArrowDown' || e.key === 'ArrowUp') {
e.preventDefault();
const currentIndex = options.findIndex(option => option.value === value);
let newIndex = currentIndex;
if (e.key === 'ArrowDown') {
newIndex = currentIndex < options.length - 1 ? currentIndex + 1 : 0;
} else {
newIndex = currentIndex > 0 ? currentIndex - 1 : options.length - 1;
}
onChange(options[newIndex].value);
}
};
if (isOpen) {
window.addEventListener('keydown', handleKeyDown);
}
return () => {
window.removeEventListener('keydown', handleKeyDown);
};
}, [isOpen, options, value, onChange]);
// Handle scroll locking when dropdown is open
useEffect(() => {
if (isOpen && dropdownRef.current) {
// Scroll selected item into view
const selectedItem = dropdownRef.current.querySelector('[aria-selected="true"]');
if (selectedItem) {
selectedItem.scrollIntoView({ block: 'nearest' });
}
}
}, [isOpen, value]);
// Toggle dropdown
const handleToggle = (e: React.MouseEvent<HTMLDivElement>) => {
e.stopPropagation();
if (!disabled) {
setIsOpen(!isOpen);
}
};
// Select an option
const handleSelect = (optionValue: string, e: React.MouseEvent) => {
e.stopPropagation();
e.preventDefault();
onChange(optionValue);
setIsOpen(false);
};
return (
<div
ref={containerRef}
className={cn(
"relative inline-block w-full",
className
)}
>
{/* Trigger button */}
<div
className={cn(
"flex items-center justify-between w-full px-3 py-2 text-sm border rounded-md cursor-pointer select-none",
"bg-background border-input",
disabled ? "opacity-50 cursor-not-allowed" : "hover:bg-accent/10",
triggerClassName
)}
onClick={handleToggle}
onTouchEnd={(e) => {
e.stopPropagation();
if (!disabled) {
setIsOpen(!isOpen);
}
}}
aria-haspopup="listbox"
aria-expanded={isOpen}
role="combobox"
tabIndex={0}
>
<span className="truncate">{displayValue}</span>
<ChevronDown className={cn("h-4 w-4 transition-transform duration-200", isOpen && "transform rotate-180")} />
</div>
{/* Dropdown menu */}
{isOpen && (
<div
ref={dropdownRef}
className={cn(
"absolute z-[9999] w-full mt-1 bg-popover border border-border rounded-md shadow-md max-h-60 overflow-auto",
"animate-in fade-in-0 zoom-in-95",
dropdownClassName
)}
role="listbox"
aria-orientation="vertical"
style={{
transformOrigin: 'top',
boxShadow: '0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05)',
}}
>
<div className="py-1">
{options.map((option) => (
<div
key={option.value}
className={cn(
"flex items-center px-3 py-1.5 text-sm cursor-pointer select-none",
option.value === value
? "bg-primary/10 text-primary font-medium"
: "text-foreground hover:bg-primary/5 hover:text-primary"
)}
role="option"
aria-selected={option.value === value}
tabIndex={-1}
onClick={(e) => handleSelect(option.value, e)}
onTouchEnd={(e) => {
e.stopPropagation();
handleSelect(option.value, e as any);
}}
>
<span className="flex-grow truncate">{option.label}</span>
{option.value === value && (
<Check className="h-4 w-4 ml-2 shrink-0 text-primary" />
)}
</div>
))}
</div>
</div>
)}
</div>
);
}; |