131 lines
3.9 KiB
TypeScript
131 lines
3.9 KiB
TypeScript
'use client';
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import { IconButton } from '@/components/ui/button';
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import { useAsyncFn } from '@/hooks/tools';
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import { cn } from '@/lib/utils';
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import { useStreamChatStore } from '@/app/(main)/chat/[id]/stream-chat';
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import { useState, useRef, useEffect } from 'react';
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const AuthHeightTextarea = (
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props: React.ComponentProps<'textarea'> & {
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maxHeight?: number;
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onSend?: (text: string) => void;
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}
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) => {
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const { maxHeight = 200, className, value, onChange, onSend, ...restProps } = props;
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const textareaRef = useRef<HTMLTextAreaElement>(null);
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// 调整高度的函数
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const adjustHeight = () => {
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const textarea = textareaRef.current;
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if (!textarea) return;
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// 先重置高度为 0，这样才能获取真实的 scrollHeight
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textarea.style.height = '0px';
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// 获取内容实际需要的高度
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const scrollHeight = textarea.scrollHeight;
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// 计算新高度：取 scrollHeight 和 maxHeight 的较小值
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const newHeight = Math.min(scrollHeight, maxHeight);
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textarea.style.height = `${newHeight}px`;
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// 如果内容超过最大高度，显示滚动条
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textarea.style.overflowY = scrollHeight > maxHeight ? 'auto' : 'hidden';
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};
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const handleKeyDown = (e: React.KeyboardEvent<HTMLTextAreaElement>) => {
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// Enter 发送，Shift+Enter 换行
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if (e.key === 'Enter' && !e.shiftKey) {
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e.preventDefault(); // 阻止默认的换行行为
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onSend?.(value as string);
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}
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};
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// 监听内容变化，自动调整高度
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useEffect(() => {
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adjustHeight();
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}, [value, maxHeight]);
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return (
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<textarea
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ref={textareaRef}
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value={value}
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onChange={onChange}
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className={cn(
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'w-full resize-none',
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// 移除所有默认样式
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'border-none outline-none focus:outline-none',
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'bg-transparent',
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// 自定义滚动条样式（可选）
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'scrollbar-thin scrollbar-thumb-white/20 scrollbar-track-transparent',
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className
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)}
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style={{
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minHeight: '24px', // 最小高度，一行文字的高度
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height: '24px', // 初始高度
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overflow: 'hidden', // 初始隐藏滚动条
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}}
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onKeyDown={handleKeyDown}
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{...restProps}
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/>
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);
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};
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export default function Input() {
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const [isRecording, setIsRecording] = useState(false);
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const [inputValue, setInputValue] = useState('');
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const sendMessage = useStreamChatStore((state) => state.sendMessage);
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const { run: sendMessageAsync, loading } = useAsyncFn(sendMessage);
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const handleSend = () => {
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if (inputValue.trim()) {
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sendMessageAsync(inputValue);
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setInputValue('');
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}
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};
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return (
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<div className="flex flex-col mb-6 items-end gap-4">
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<div></div>
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<div className="flex w-full items-end gap-4">
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{/* 打电话按钮 */}
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<IconButton onClick={() => {}} iconfont="icon-gift-border" />
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<div className="flex-1 flex items-end gap-2 min-h-12 py-2 px-2 bg-white/15 rounded-3xl">
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{/* 语音录制按钮 */}
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<IconButton
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variant="ghost"
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size="small"
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iconfont="icon-voice_msg"
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className="flex-shrink-0"
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/>
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<AuthHeightTextarea
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placeholder="Chat"
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maxHeight={70}
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value={inputValue}
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onChange={(e) => setInputValue(e.target.value)}
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onSend={handleSend}
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className="py-1"
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/>
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{/* 提示词提示按钮 */}
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<IconButton
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variant="ghost"
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size="small"
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onClick={() => null}
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className={cn('bg-surface-element-hover flex-shrink-0')}
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iconfont="icon-prompt"
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/>
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</div>
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<IconButton
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size="large"
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loading={loading}
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iconfont="icon-icon-send"
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onClick={handleSend}
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disabled={!inputValue.trim()}
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className="flex-shrink-0"
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/>
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</div>
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</div>
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);
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}
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