286 lines
9.8 KiB
JavaScript
286 lines
9.8 KiB
JavaScript
/**
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* CommentItem 评论项组件
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*/
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import { Component } from './Component.js';
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import { ReplyEditor } from './ReplyEditor.js';
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import { formatRelativeTime } from '@/utils/date.js';
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export class CommentItem extends Component {
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/**
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* @param {HTMLElement|string} container - 容器元素或选择器
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* @param {Object} props - 组件属性
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* @param {Object} props.comment - 评论数据
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* @param {boolean} props.isReply - 是否为回复
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* @param {number|null} props.replyingTo - 当前正在回复的评论 ID
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* @param {string} props.replyContent - 回复内容
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* @param {string|null} props.replyError - 回复错误
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* @param {boolean} props.submitting - 是否正在提交
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* @param {string} props.adminEmail - 博主邮箱（可选）
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* @param {string} props.adminBadge - 博主标识文字（可选）
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* @param {Function} props.onReply - 回复回调
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* @param {Function} props.onSubmitReply - 提交回复回调
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* @param {Function} props.onCancelReply - 取消回复回调
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* @param {Function} props.onUpdateReplyContent - 更新回复内容回调
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* @param {Function} props.onClearReplyError - 清除回复错误回调
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*/
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constructor(container, props = {}) {
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super(container, props);
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this.replyEditor = null;
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this.childCommentItems = []; // 缓存嵌套回复的 CommentItem 实例
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}
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render() {
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const { comment, isReply, adminEmail, adminBadge } = this.props;
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const isReplying = this.props.replyingTo === comment.id;
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const isAdmin = adminEmail && comment.email === adminEmail;
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const root = this.createElement('div', {
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className: `cwd-comment-item ${isReply ? 'cwd-comment-reply' : ''}`,
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children: [
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// 头像
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this.createElement('div', {
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className: 'cwd-comment-avatar',
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children: [
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this.createElement('img', {
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attributes: {
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src: comment.avatar,
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alt: comment.author,
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loading: 'lazy'
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}
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})
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]
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}),
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// 主体内容
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this.createElement('div', {
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className: 'cwd-comment-body',
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children: [
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// 头部（作者名、操作按钮、时间）
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this.createElement('div', {
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className: 'cwd-comment-header',
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children: [
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// 作者信息
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this.createElement('div', {
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className: 'cwd-comment-author',
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children: [
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comment.url
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? this.createElement('span', {
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className: 'cwd-author-name',
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children: [
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this.createElement('a', {
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attributes: {
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href: comment.url,
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target: '_blank',
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rel: 'noopener noreferrer'
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},
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text: comment.author
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})
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]
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})
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: this.createTextElement('span', comment.author, 'cwd-author-name'),
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// 博主标识
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...(isAdmin ? [
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this.createTextElement('span', `${adminBadge}`, 'cwd-admin-badge')
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] : []),
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// 显示回复目标
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...(comment.replyToAuthor ? [
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this.createTextElement('span', ' 回复 ', 'cwd-reply-to-separator'),
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this.createTextElement('span', comment.replyToAuthor, 'cwd-reply-to-author')
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] : [])
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]
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}),
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// 操作区域
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this.createElement('div', {
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className: 'cwd-comment-actions',
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children: [
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this.createElement('span', {
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className: 'cwd-action-btn',
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attributes: {
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onClick: () => this.handleReply()
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},
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text: '回复'
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}),
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this.createTextElement('span', formatRelativeTime(comment.pubDate), 'cwd-comment-time')
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]
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})
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]
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}),
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// 评论内容
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this.createElement('div', {
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className: 'cwd-comment-content'
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}),
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// 回复编辑器容器
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this.createElement('div', {
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className: 'cwd-reply-editor-container'
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}),
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// 嵌套回复容器
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...(comment.replies && comment.replies.length > 0 ? [
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this.createElement('div', {
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className: 'cwd-replies'
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})
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] : [])
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]
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})
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]
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});
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// 设置评论内容的 HTML
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const contentEl = root.querySelector('.cwd-comment-content');
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if (contentEl) {
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contentEl.innerHTML = comment.contentHtml;
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}
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// 创建回复编辑器
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if (isReplying) {
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const replyContainer = root.querySelector('.cwd-reply-editor-container');
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if (replyContainer) {
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this.replyEditor = new ReplyEditor(replyContainer, {
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replyToAuthor: comment.author,
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content: this.props.replyContent,
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error: this.props.replyError,
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submitting: this.props.submitting,
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onUpdate: (content) => this.handleUpdateReplyContent(content),
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onSubmit: () => this.handleSubmitReply(),
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onCancel: () => this.handleCancelReply(),
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onClearError: () => this.handleClearReplyError()
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});
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this.replyEditor.render();
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this.replyEditor.focus();
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}
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} else {
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this.replyEditor = null;
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}
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// 渲染嵌套回复
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this.childCommentItems = [];
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if (comment.replies && comment.replies.length > 0) {
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const repliesContainer = root.querySelector('.cwd-replies');
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if (repliesContainer) {
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comment.replies.forEach(reply => {
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const replyItem = new CommentItem(repliesContainer, {
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comment: reply,
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isReply: true,
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replyingTo: this.props.replyingTo,
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replyContent: this.props.replyContent,
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replyError: this.props.replyError,
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submitting: this.props.submitting,
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adminEmail: this.props.adminEmail,
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adminBadge: this.props.adminBadge,
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onReply: this.props.onReply,
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onSubmitReply: this.props.onSubmitReply,
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onCancelReply: this.props.onCancelReply,
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onUpdateReplyContent: this.props.onUpdateReplyContent,
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onClearReplyError: this.props.onClearReplyError
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});
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replyItem.render();
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this.childCommentItems.push(replyItem);
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});
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}
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}
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this.elements.root = root;
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// 只在首次渲染时清空容器（当还没有 root 元素时）
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if (this.container.contains(root)) {
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// 如果 root 已存在，替换它
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this.container.replaceChild(root, this.elements.root);
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} else {
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// 否则直接添加
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this.container.appendChild(root);
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}
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}
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updateProps(prevProps) {
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const { comment } = this.props;
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const wasReplying = prevProps.replyingTo === comment.id;
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const isReplying = this.props.replyingTo === comment.id;
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// 如果评论数据本身变化，需要完全重新渲染
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if (this.props.comment !== prevProps.comment) {
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this.render();
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return;
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}
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// 处理回复编辑器的显示/隐藏
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if (isReplying !== wasReplying) {
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const replyContainer = this.elements.root?.querySelector(':scope > .cwd-comment-body > .cwd-reply-editor-container');
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if (isReplying && replyContainer) {
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// 显示回复编辑器
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this.replyEditor = new ReplyEditor(replyContainer, {
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replyToAuthor: comment.author,
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content: this.props.replyContent,
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error: this.props.replyError,
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submitting: this.props.submitting,
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onUpdate: (content) => this.handleUpdateReplyContent(content),
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onSubmit: () => this.handleSubmitReply(),
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onCancel: () => this.handleCancelReply(),
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onClearError: () => this.handleClearReplyError()
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});
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this.replyEditor.render();
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this.replyEditor.focus();
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} else if (!isReplying && replyContainer) {
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// 隐藏回复编辑器
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replyContainer.innerHTML = '';
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this.replyEditor = null;
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}
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} else if (isReplying && this.replyEditor) {
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// 更新回复编辑器的 props
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this.replyEditor.setProps({
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content: this.props.replyContent,
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error: this.props.replyError,
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submitting: this.props.submitting
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});
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}
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// 递归更新嵌套回复
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if (this.childCommentItems && this.childCommentItems.length > 0) {
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this.childCommentItems.forEach((childItem) => {
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childItem.setProps({
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replyingTo: this.props.replyingTo,
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replyContent: this.props.replyContent,
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replyError: this.props.replyError,
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submitting: this.props.submitting
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});
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});
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}
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}
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handleReply() {
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console.log('[CommentItem] handleReply called, comment.id:', this.props.comment.id);
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if (this.props.onReply) {
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this.props.onReply(this.props.comment.id);
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} else {
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console.warn('[CommentItem] onReply callback is missing!');
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}
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}
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handleSubmitReply() {
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if (this.props.onSubmitReply) {
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this.props.onSubmitReply(this.props.comment.id);
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}
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}
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handleCancelReply() {
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if (this.props.onCancelReply) {
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this.props.onCancelReply();
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}
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}
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handleUpdateReplyContent(content) {
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if (this.props.onUpdateReplyContent) {
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this.props.onUpdateReplyContent(content);
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}
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}
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handleClearReplyError() {
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if (this.props.onClearReplyError) {
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this.props.onClearReplyError();
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}
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}
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}
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