107 lines
3.0 KiB
TypeScript
107 lines
3.0 KiB
TypeScript
"use client";
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import React, { useState, useRef, useEffect } from "react";
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import { useCanvasStore } from "@/store/canvas";
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import type { CanvasNode, TextNodeData } from "@/types/canvas";
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import { cn } from "@/lib/utils";
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interface TextNodeProps {
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node: CanvasNode;
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isSelected: boolean;
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}
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export function TextNode({ node, isSelected }: TextNodeProps) {
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const data = node.data as TextNodeData;
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const [isEditing, setIsEditing] = useState(false);
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const [editContent, setEditContent] = useState(data.content);
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const textareaRef = useRef<HTMLTextAreaElement>(null);
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const updateNode = useCanvasStore((state) => state.updateNode);
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// 进入编辑模式时聚焦
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useEffect(() => {
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if (isEditing && textareaRef.current) {
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textareaRef.current.focus();
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textareaRef.current.select();
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}
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}, [isEditing]);
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// 保存编辑
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const handleSave = () => {
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updateNode(node.id, {
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data: { ...data, content: editContent },
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});
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setIsEditing(false);
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};
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// 取消编辑
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const handleCancel = () => {
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setEditContent(data.content);
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setIsEditing(false);
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};
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// 双击进入编辑
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const handleDoubleClick = (e: React.MouseEvent) => {
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e.stopPropagation();
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setIsEditing(true);
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};
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return (
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<div
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className={cn(
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"relative w-full h-full overflow-hidden p-3",
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data.transparent
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? "rounded-none border-0 bg-transparent p-0 shadow-none"
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: "rounded-lg border bg-card shadow-sm",
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isSelected && (data.transparent ? "ring-1 ring-primary/50" : "border-primary")
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)}
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onDoubleClick={handleDoubleClick}
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>
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{isEditing ? (
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<textarea
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ref={textareaRef}
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value={editContent}
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onChange={(e) => setEditContent(e.target.value)}
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onBlur={handleSave}
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onKeyDown={(e) => {
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if (e.key === 'Enter' && (e.ctrlKey || e.metaKey)) {
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handleSave();
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}
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if (e.key === 'Escape') {
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handleCancel();
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}
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}}
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className="w-full h-full resize-none bg-transparent outline-none text-sm"
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style={{
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fontSize: data.fontSize || 14,
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color: data.color || 'inherit',
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fontWeight: data.fontWeight || 'normal',
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lineHeight: data.lineHeight || 1.35,
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textAlign: data.textAlign || "left",
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}}
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/>
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) : (
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<div
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className="w-full h-full overflow-auto text-sm whitespace-pre-wrap"
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style={{
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fontSize: data.fontSize || 14,
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color: data.color || 'inherit',
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fontWeight: data.fontWeight || 'normal',
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lineHeight: data.lineHeight || 1.35,
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textAlign: data.textAlign || "left",
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}}
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>
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{data.content || '双击编辑文本'}
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</div>
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)}
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{/* 编辑提示 */}
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{!isEditing && isSelected && (
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<div className="absolute bottom-1 right-1 text-[10px] text-muted-foreground">
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双击编辑
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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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