File size: 6,509 Bytes
979853c | 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 | import React, { useState, useRef, useEffect, useCallback } from 'react'
import { ChevronDown, X } from 'lucide-react'
import { cn } from '@/lib/utils'
import Input from './Input'
interface UserPromptInputWithHistoryProps {
value: string
onChange: (value: string) => void
placeholder?: string
className?: string
id?: string
history: string[]
onSelectFromHistory: (prompt: string) => void
onDeleteFromHistory?: (index: number) => void
}
export default function UserPromptInputWithHistory({
value,
onChange,
placeholder,
className,
id,
history,
onSelectFromHistory,
onDeleteFromHistory
}: UserPromptInputWithHistoryProps) {
const [isOpen, setIsOpen] = useState(false)
const [selectedIndex, setSelectedIndex] = useState(-1)
const [isHovered, setIsHovered] = useState(false)
const dropdownRef = useRef<HTMLDivElement>(null)
const inputRef = useRef<HTMLInputElement>(null)
// Close dropdown when clicking outside
useEffect(() => {
const handleClickOutside = (event: MouseEvent) => {
if (dropdownRef.current && !dropdownRef.current.contains(event.target as Node)) {
setIsOpen(false)
setSelectedIndex(-1)
}
}
document.addEventListener('mousedown', handleClickOutside)
return () => {
document.removeEventListener('mousedown', handleClickOutside)
}
}, [])
// Handle keyboard navigation
const handleKeyDown = useCallback((e: React.KeyboardEvent<HTMLInputElement>) => {
if (!isOpen) {
if (e.key === 'ArrowDown' && history.length > 0) {
e.preventDefault()
setIsOpen(true)
setSelectedIndex(0)
}
return
}
switch (e.key) {
case 'ArrowDown':
e.preventDefault()
setSelectedIndex(prev =>
prev < history.length - 1 ? prev + 1 : prev
)
break
case 'ArrowUp':
e.preventDefault()
setSelectedIndex(prev => prev > 0 ? prev - 1 : -1)
if (selectedIndex === 0) {
setSelectedIndex(-1)
}
break
case 'Enter':
if (selectedIndex >= 0 && selectedIndex < history.length) {
e.preventDefault()
const selectedPrompt = history[selectedIndex]
onSelectFromHistory(selectedPrompt)
setIsOpen(false)
setSelectedIndex(-1)
}
break
case 'Escape':
e.preventDefault()
setIsOpen(false)
setSelectedIndex(-1)
break
}
}, [isOpen, selectedIndex, history, onSelectFromHistory])
const handleInputClick = () => {
if (history.length > 0) {
setIsOpen(!isOpen)
setSelectedIndex(-1)
}
}
const handleDropdownItemClick = (prompt: string) => {
onSelectFromHistory(prompt)
setIsOpen(false)
setSelectedIndex(-1)
inputRef.current?.focus()
}
const handleInputChange = (e: React.ChangeEvent<HTMLInputElement>) => {
onChange(e.target.value)
}
const handleMouseEnter = () => {
setIsHovered(true)
}
const handleMouseLeave = () => {
setIsHovered(false)
}
// Handle delete history item with boundary cases
const handleDeleteHistoryItem = useCallback((index: number, e: React.MouseEvent) => {
e.stopPropagation() // Prevent triggering item selection
onDeleteFromHistory?.(index)
// Handle boundary cases
if (history.length === 1) {
// Deleting the last item, close dropdown
setIsOpen(false)
setSelectedIndex(-1)
} else if (selectedIndex === index) {
// Deleting currently selected item, adjust selection
setSelectedIndex(prev => prev > 0 ? prev - 1 : -1)
} else if (selectedIndex > index) {
// Deleting item before selected item, adjust index
setSelectedIndex(prev => prev - 1)
}
}, [onDeleteFromHistory, history.length, selectedIndex])
return (
<div className="relative" ref={dropdownRef} onMouseEnter={handleMouseEnter} onMouseLeave={handleMouseLeave}>
<div className="relative">
<Input
ref={inputRef}
id={id}
value={value}
onChange={handleInputChange}
onKeyDown={handleKeyDown}
onClick={handleInputClick}
placeholder={placeholder}
autoComplete="off"
className={cn(isHovered && history.length > 0 ? 'pr-5' : 'pr-2', 'w-full', className)}
/>
{isHovered && history.length > 0 && (
<button
type="button"
onClick={handleInputClick}
className="absolute right-2 top-1/2 -translate-y-1/2 p-0 rounded hover:bg-gray-100 dark:hover:bg-gray-800 transition-colors"
tabIndex={-1}
>
<ChevronDown
className={cn(
'h-3 w-3 transition-transform duration-200 text-gray-500',
isOpen && 'rotate-180'
)}
/>
</button>
)}
</div>
{/* Dropdown */}
{isOpen && history.length > 0 && (
<div className="absolute top-full left-0 right-0 z-50 mt-0.5 bg-gray-100 dark:bg-gray-900 border border-gray-300 dark:border-gray-700 rounded-md shadow-lg max-h-96 overflow-auto min-w-0">
{history.map((prompt, index) => (
<div
key={index}
className={cn(
'flex items-center justify-between pl-3 pr-1 py-2 text-sm hover:bg-gray-200 dark:hover:bg-gray-700 transition-colors',
'border-b border-gray-100 dark:border-gray-700 last:border-b-0',
'focus-within:bg-gray-100 dark:focus-within:bg-gray-700',
selectedIndex === index && 'bg-gray-100 dark:bg-gray-700'
)}
>
<button
type="button"
onClick={() => handleDropdownItemClick(prompt)}
className="flex-1 text-left truncate focus:outline-none mr-0"
title={prompt}
>
{prompt}
</button>
{onDeleteFromHistory && (
<button
type="button"
onClick={(e) => handleDeleteHistoryItem(index, e)}
className="flex-shrink-0 p-0 rounded hover:bg-red-100 dark:hover:bg-red-900 transition-colors focus:outline-none ml-auto"
title="Delete this history item"
>
<X className="h-3 w-3 text-gray-400 hover:text-red-500" />
</button>
)}
</div>
))}
</div>
)}
</div>
)
}
|