1051 lines
35 KiB
JavaScript
1051 lines
35 KiB
JavaScript
const API = "";
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let currentPid = 0, parentStack = [], editingId = null, deletingId = null;
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let currentFileInfo = { // 存储当前文件信息
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name: "",
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size: 0,
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base64: "",
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uploadTime: "",
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metadataError: false
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};
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/* 缓存所有节点的文件信息，方便直接下载
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* 20250907(qing): 文件多了会卡 */
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let nodeFileCache = {};
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let lastLoadedNodes = []; // 缓存最近加载的节点列表，用于移动模式下重新渲染
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let movingNode = null; // 正在迁移的节点 {id, title, content}
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// 缓存DOM元素引用，不用每次都去找
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const domElements = {
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deleteModal: null,
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deleteMessage: null,
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deleteNodeTitle: null,
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deleteFileHint: null,
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toastContainer: null,
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fileInfo: null,
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fileMetaContainer: null,
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fileMetaInfo: null,
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metaFilename: null,
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metaFilesize: null,
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metaUploadtime: null,
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fileProgress: null,
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fileProgressBar: null,
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fileUpload: null,
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hiddenBase64: null,
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fileMetadata: null,
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downloadSection: null,
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dataRepairHint: null
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};
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// 初始化DOM元素引用
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function initDomElements() {
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domElements.deleteModal = document.getElementById("delete-modal");
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domElements.deleteMessage = document.getElementById("delete-message");
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domElements.deleteNodeTitle = document.getElementById("delete-node-title-container");
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domElements.deleteFileHint = document.getElementById("delete-file-hint");
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domElements.toastContainer = document.getElementById("toast-container");
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domElements.fileInfo = document.getElementById("file-info");
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domElements.fileMetaContainer = document.getElementById("file-meta-container");
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domElements.fileMetaInfo = document.getElementById("file-meta-info");
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domElements.metaFilename = document.getElementById("meta-filename");
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domElements.metaFilesize = document.getElementById("meta-filesize");
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domElements.metaUploadtime = document.getElementById("meta-uploadtime");
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domElements.fileProgress = document.querySelector(".file-progress");
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domElements.fileProgressBar = document.getElementById("file-progress-bar");
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domElements.fileUpload = document.getElementById("file-upload");
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domElements.hiddenBase64 = document.getElementById("hidden-base64");
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domElements.fileMetadata = document.getElementById("file-metadata");
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domElements.downloadSection = document.getElementById("download-section");
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domElements.dataRepairHint = document.getElementById("data-repair-hint");
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// 验证关键元素是否存在
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const missingElements = [];
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for (const [key, element] of Object.entries(domElements)) {
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if (!element) {
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missingElements.push(key);
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}
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}
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if (missingElements.length > 0) {
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console.error("关键DOM元素缺失:", missingElements);
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alert("系统初始化失败，关键组件缺失，请刷新页面重试。");
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}
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}
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// 提示消息
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function showToast(msg, type = 'info') {
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if (!domElements.toastContainer) {
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console.error("toast容器未找到，无法显示提示");
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return;
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}
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const t = document.createElement('div');
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t.className = `toast ${type} show`;
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t.innerHTML = `<i class="fas fa-${type === 'success' ? 'check' : type === 'error' ? 'exclamation-triangle' : type === 'warning' ? 'exclamation-circle' : 'info-circle'}"></i> ${msg}`;
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domElements.toastContainer.appendChild(t);
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setTimeout(() => t.remove(), 3000); // 3秒后删除
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}
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// HTML转义字符还原
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// 我在编辑节点时，转义符号没有能够被替换
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function htmlUnescape(str) {
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if (!str || typeof str !== 'string') {
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return str;
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}
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return str
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.replace(/&/g, '&')
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.replace(/</g, '<')
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.replace(/>/g, '>')
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.replace(/"/g, '"')
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.replace(/'/g, "'")
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.replace(/`/g, '`');
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}
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//-----
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// 安全的JSON解析函数 - 新增HTML转义还原处理
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function safeJsonParse(jsonString, defaultValue = {}) {
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try {
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// 先进行HTML转义还原
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const unescapedString = htmlUnescape(jsonString);
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// 再进行基本的格式检查
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if (!unescapedString || typeof unescapedString !== 'string' ||
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unescapedString.trim() === '' ||
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!unescapedString.startsWith('{') || !unescapedString.endsWith('}')) {
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console.error('无效的JSON格式：不是有效的对象字符串');
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return defaultValue;
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}
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return JSON.parse(unescapedString);
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} catch (e) {
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console.error('JSON解析失败:', e);
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console.error('问题数据:', jsonString);
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// 尝试提取可能有用的信息
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try {
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// 先进行HTML转义还原，再清理可能导致错误的字符
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const cleanedString = htmlUnescape(jsonString).replace(/[^\x20-\x7E]/g, '');
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if (cleanedString !== jsonString) {
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console.log('尝试清理无效字符后重新解析');
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return JSON.parse(cleanedString);
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}
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} catch (cleanError) {
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console.error('清理后仍无法解析:', cleanError);
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}
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return defaultValue;
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}
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}
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// 安全的JSON字符串化函数
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function safeJsonStringify(data) {
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try {
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return JSON.stringify(data);
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} catch (e) {
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console.error('JSON序列化失败:', e);
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// 尝试使用更宽松的序列化方式
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try {
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return JSON.stringify(data, (key, value) => {
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if (typeof value === 'bigint') {
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return value.toString();
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}
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return value;
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});
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} catch (fallbackError) {
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console.error('备用序列化方式也失败:', fallbackError);
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return '{}'; // 返回空对象作为最后的 fallback
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}
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}
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}
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// API请求
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async function request(endpoint, data = {}) {
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try {
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const res = await fetch(API + endpoint, {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(data)
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});
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return res.ok ? await res.json() : Promise.reject(res.status);
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} catch (e) {
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showToast(`请求失败: ${e}`, 'error');
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throw e;
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}
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}
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// 检查节点是否有子节点
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async function hasChildren(nodeId) {
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try {
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const children = await request("/get_notes", { pid: nodeId });
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return Array.isArray(children) && children.length > 0;
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} catch (e) {
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showToast("检查子节点失败", 'error');
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return false;
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}
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}
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// 解析节点内容，分离说明文本和文件信息
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function parseNodeContent(content) {
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try {
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// 检查内容是否包含文件信息标记
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if (content.startsWith('FILE_METADATA:')) {
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const parts = content.split('\n---\n');
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if (parts.length >= 3) {
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const metaStr = parts[1] || '{}'; // 确保有默认值
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const base64 = parts[2] || '';
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const textContent = parts.slice(3).join('\n---\n');
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// 使用安全的JSON解析函数，已包含HTML转义还原
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const meta = safeJsonParse(metaStr, {
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name: '未知文件',
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size: 0,
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uploadTime: '未知时间'
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});
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// 检查解析结果是否有效
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const isValidMeta = meta && typeof meta === 'object' &&
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typeof meta.name === 'string' &&
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!isNaN(meta.size);
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if (!isValidMeta) {
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console.error('解析的元数据无效，使用默认值');
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return {
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hasFile: true,
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text: textContent,
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meta: {
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name: '损坏的文件',
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size: 0,
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uploadTime: '未知时间'
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},
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base64: base64,
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metadataError: true // 标记元数据解析错误
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};
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}
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return {
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hasFile: true,
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text: textContent,
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meta: meta,
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base64: base64,
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metadataError: false
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};
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}
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}
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// 普通文本内容
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return {
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hasFile: false,
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text: content,
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meta: null,
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base64: '',
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metadataError: false
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};
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} catch (e) {
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console.error('解析节点内容失败:', e);
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showToast('节点内容解析失败，可能是格式错误', 'error');
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return {
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hasFile: false,
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text: content || '解析失败的内容',
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meta: null,
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base64: '',
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metadataError: false
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};
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}
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}
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// 渲染节点列表（不在页面显示Base64内容）
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function renderNodes(nodes) {
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const container = document.getElementById("node-list");
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if (!container) {
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console.error("节点列表容器未找到");
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return;
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}
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// 缓存节点列表，用于移动模式下重新渲染
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lastLoadedNodes = nodes;
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// 清空缓存
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nodeFileCache = {};
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// 移动模式下过滤掉正在迁移的节点
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if (movingNode) {
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nodes = nodes.filter(n => n.id !== movingNode.id);
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}
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if (!nodes || !nodes.length) {
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container.innerHTML = `<div class="empty-state"><i class="fas fa-folder-open"></i><p>目录为空</p><p>使用上方表单添加新节点</p></div>`;
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return;
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}
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container.innerHTML = nodes.map(n => {
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// 解析节点内容，分离文本和文件信息
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const parsed = parseNodeContent(n.content);
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const safeTitle = encodeURIComponent(escapeHtml(n.title));
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const safeContent = encodeURIComponent(escapeHtml(n.content));
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const displayTitle = escapeHtml(n.title);
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const deleteBtnId = `delete-btn-${n.id}`;
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// 缓存文件信息，用于直接下载
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if (parsed.hasFile) {
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nodeFileCache[n.id] = {
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name: parsed.meta.name,
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base64: parsed.base64,
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metadataError: parsed.metadataError
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};
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}
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// 节点内容显示文本说明，不显示Base64
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const contentDisplay = parsed.text
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? `<div class="node-content">${escapeHtml(parsed.text)}</div>`
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: '';
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// 文件错误提示
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const fileErrorIndicator = parsed.metadataError
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? `<div style="color: #e74c3c; font-size: 0.8em; margin-top: 5px;">
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<i class="fas fa-exclamation-circle"></i> 文件信息损坏，建议重新上传
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</div>`
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: '';
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// 文件指示器和下载按钮
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const fileIndicator = parsed.hasFile
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? `<div class="file-indicator">
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<i class="fas fa-file"></i> 包含文件: ${escapeHtml(parsed.meta.name)} (${formatFileSize(parsed.meta.size)})
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<button class="download-btn" onclick="decodeAndDownload(${n.id}, '${encodeURIComponent(escapeHtml(parsed.meta.name))}')">
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<i class="fas fa-download"></i> 下载
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</button>
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</div>
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${fileErrorIndicator}`
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: '';
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return `
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<div class="node ${parsed.hasFile ? 'has-file' : ''}" onclick="handleNodeClick(event, ${n.id})">
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<div class="node-title">
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<i class="fas ${parsed.hasFile ? 'fa-file' : 'fa-folder'}"></i> ${displayTitle}
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</div>
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${contentDisplay}
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${fileIndicator}
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<div class="node-actions">
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<button onclick="editNode(${n.id}, '${safeTitle}', '${safeContent}')" class="btn btn-warning"><i class="fas fa-edit"></i> 编辑</button>
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${!movingNode ? `<button onclick="startMoveNode(${n.id}, '${displayTitle}', '${safeContent}')" class="btn btn-move"><i class="fas fa-arrows-alt"></i> 移动</button>` : ''}
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<button id="${deleteBtnId}" onclick="checkAndShowDeleteModal(event, ${n.id}, '${encodeURIComponent(escapeHtml(n.title))}', ${parsed.hasFile})" class="btn btn-danger"><i class="fas fa-trash"></i> 删除</button>
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</div>
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</div>
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`;
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}).join('');
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}
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// HTML转义
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function escapeHtml(unsafe) {
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if (!unsafe) return '';
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return unsafe
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.replace(/&/g, "&")
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.replace(/</g, "<")
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.replace(/>/g, ">")
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.replace(/"/g, """)
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.replace(/'/g, "'")
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.replace(/`/g, "`");
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}
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// 加载节点
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async function load(pid = 0) {
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try {
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const numericPid = Number(pid);
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if (isNaN(numericPid)) {
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throw new Error("无效的节点ID");
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}
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const nodes = await request("/get_notes", { pid: numericPid });
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if (Array.isArray(nodes)) {
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renderNodes(nodes);
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} else {
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throw new Error("返回数据格式不正确");
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}
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} catch (e) {
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showToast(`加载失败: ${e.message}`, 'error');
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console.error("加载节点错误:", e);
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}
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}
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// 整个节点卡片的点击处理（点击卡片任意非按钮区域进入节点）
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function handleNodeClick(event, id) {
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var el = event.target;
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while (el && el !== event.currentTarget) {
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if (el.tagName === 'BUTTON' || el.closest('button') || el.closest('.node-actions')) {
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return; // 点击了按钮或操作区，不进入节点
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}
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el = el.parentElement;
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}
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enterNode(id);
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}
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// 进入节点
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function enterNode(id) {
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const numericId = Number(id);
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if (isNaN(numericId)) {
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showToast("无效的节点ID", 'error');
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return;
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}
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|
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parentStack.push(currentPid);
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currentPid = numericId;
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resetForm();
|
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load(currentPid);
|
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showToast(`进入节点 ${numericId}`, 'info');
|
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}
|
|
|
|
// 返回上级
|
|
function goBack() {
|
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if (parentStack.length) {
|
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currentPid = parentStack.pop();
|
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resetForm();
|
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load(currentPid);
|
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showToast('返回上级', 'info');
|
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} else {
|
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showToast('已是顶级目录', 'info');
|
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}
|
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}
|
|
|
|
// 重置表单
|
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function resetForm() {
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const editIdEl = document.getElementById("edit-id");
|
|
const nodeTitleEl = document.getElementById("node-title");
|
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const nodeContentEl = document.getElementById("node-content");
|
|
const formModeTextEl = document.getElementById("form-mode-text");
|
|
|
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if (editIdEl && nodeTitleEl && nodeContentEl && formModeTextEl) {
|
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editIdEl.value = "";
|
|
nodeTitleEl.value = "";
|
|
nodeContentEl.value = "";
|
|
formModeTextEl.textContent = "新增节点";
|
|
nodeTitleEl.focus();
|
|
editingId = null;
|
|
|
|
// 重置文件相关字段
|
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currentFileInfo = { name: "", size: 0, base64: "", uploadTime: "", metadataError: false };
|
|
|
|
if (domElements.fileUpload) domElements.fileUpload.value = "";
|
|
if (domElements.fileInfo) domElements.fileInfo.textContent = "未选择文件";
|
|
if (domElements.fileMetaContainer) domElements.fileMetaContainer.style.display = "none";
|
|
if (domElements.fileMetaInfo) {
|
|
domElements.fileMetaInfo.className = "file-meta-info"; // 重置样式
|
|
}
|
|
if (domElements.dataRepairHint) domElements.dataRepairHint.style.display = "none";
|
|
if (domElements.fileProgress) domElements.fileProgress.style.display = "none";
|
|
if (domElements.fileProgressBar) domElements.fileProgressBar.style.width = "0%";
|
|
if (domElements.hiddenBase64) domElements.hiddenBase64.value = "";
|
|
if (domElements.fileMetadata) domElements.fileMetadata.value = "";
|
|
if (domElements.downloadSection) domElements.downloadSection.style.display = "none";
|
|
} else {
|
|
console.error("表单元素缺失，无法重置表单");
|
|
showToast("表单操作失败", 'error');
|
|
}
|
|
}
|
|
|
|
// 编辑节点 - 确保不显示任何编码内容
|
|
function editNode(id, title, content) {
|
|
try {
|
|
const numericId = Number(id);
|
|
if (isNaN(numericId)) {
|
|
showToast("无效的节点ID", 'error');
|
|
return;
|
|
}
|
|
|
|
// 先解码URI组件，再还原HTML转义字符
|
|
const decodedTitle = htmlUnescape(decodeURIComponent(title));
|
|
const decodedContent = htmlUnescape(decodeURIComponent(content));
|
|
|
|
// 解析内容，提取文本说明和文件信息
|
|
const parsed = parseNodeContent(decodedContent);
|
|
|
|
const editIdEl = document.getElementById("edit-id");
|
|
const nodeTitleEl = document.getElementById("node-title");
|
|
const nodeContentEl = document.getElementById("node-content");
|
|
const formModeTextEl = document.getElementById("form-mode-text");
|
|
|
|
if (editIdEl && nodeTitleEl && nodeContentEl && formModeTextEl) {
|
|
editingId = numericId;
|
|
editIdEl.value = numericId;
|
|
nodeTitleEl.value = decodedTitle;
|
|
nodeContentEl.value = parsed.text; // 只显示文本说明
|
|
formModeTextEl.textContent = "编辑节点";
|
|
nodeTitleEl.focus();
|
|
|
|
// 如果元数据解析有错误，给予用户提示并标记样式
|
|
if (parsed.metadataError) {
|
|
showToast('注意：此节点的文件信息可能已损坏，建议重新上传文件', 'warning');
|
|
if (domElements.fileMetaInfo) {
|
|
domElements.fileMetaInfo.className = "file-meta-info error";
|
|
}
|
|
// 显示数据修复提示
|
|
if (domElements.dataRepairHint) {
|
|
domElements.dataRepairHint.style.display = "block";
|
|
}
|
|
} else {
|
|
if (domElements.fileMetaInfo) {
|
|
domElements.fileMetaInfo.className = "file-meta-info";
|
|
}
|
|
if (domElements.dataRepairHint) {
|
|
domElements.dataRepairHint.style.display = "none";
|
|
}
|
|
}
|
|
|
|
// 如果有文件信息，加载和显示文件元数据
|
|
if (parsed.hasFile) {
|
|
currentFileInfo = {
|
|
name: parsed.meta.name,
|
|
size: parsed.meta.size,
|
|
base64: parsed.base64, // 后台使用但不显示
|
|
uploadTime: parsed.meta.uploadTime,
|
|
metadataError: parsed.metadataError
|
|
};
|
|
|
|
// 存储Base64但不显示
|
|
if (domElements.hiddenBase64) domElements.hiddenBase64.value = parsed.base64;
|
|
if (domElements.fileMetadata) {
|
|
// 使用安全的JSON序列化
|
|
domElements.fileMetadata.value = safeJsonStringify(parsed.meta);
|
|
}
|
|
|
|
// 显示文件元信息
|
|
if (domElements.fileMetaContainer) domElements.fileMetaContainer.style.display = "block";
|
|
if (domElements.metaFilename) domElements.metaFilename.textContent = parsed.meta.name;
|
|
if (domElements.metaFilesize) domElements.metaFilesize.textContent = formatFileSize(parsed.meta.size);
|
|
if (domElements.metaUploadtime) domElements.metaUploadtime.textContent = parsed.meta.uploadTime;
|
|
if (domElements.fileInfo) domElements.fileInfo.textContent = `已选择: ${parsed.meta.name}`;
|
|
if (domElements.downloadSection) domElements.downloadSection.style.display = "block";
|
|
}
|
|
|
|
const formSection = document.querySelector('.form-section');
|
|
if (formSection) {
|
|
formSection.scrollIntoView({ behavior: 'smooth' });
|
|
}
|
|
} else {
|
|
throw new Error("表单元素缺失");
|
|
}
|
|
} catch (e) {
|
|
showToast("编辑节点失败", 'error');
|
|
console.error("编辑节点错误:", e);
|
|
}
|
|
}
|
|
|
|
// 保存节点（编码内容完全在后台处理）
|
|
async function saveNode() {
|
|
try {
|
|
const nodeTitleEl = document.getElementById("node-title");
|
|
const nodeContentEl = document.getElementById("node-content");
|
|
const editIdEl = document.getElementById("edit-id");
|
|
|
|
if (!nodeTitleEl || !nodeContentEl || !editIdEl) {
|
|
throw new Error("表单元素缺失");
|
|
}
|
|
|
|
const title = nodeTitleEl.value.trim();
|
|
const textContent = nodeContentEl.value.trim();
|
|
const nodeId = editIdEl.value;
|
|
|
|
if (!title) {
|
|
showToast("标题不能为空", 'error');
|
|
return;
|
|
}
|
|
|
|
// 构建特殊格式的内容，编码内容完全在后台处理
|
|
let content = '';
|
|
const hasFile = !!domElements.hiddenBase64?.value.trim();
|
|
|
|
if (hasFile) {
|
|
// 有文件时，使用特殊格式存储，包含文件元数据和Base64（用户不可见）
|
|
// 使用安全的JSON序列化
|
|
const safeMetadata = safeJsonStringify(JSON.parse(domElements.fileMetadata.value || '{}'));
|
|
content = `FILE_METADATA:\n---\n${safeMetadata}\n---\n${domElements.hiddenBase64.value}\n---\n${textContent}`;
|
|
} else {
|
|
// 没有文件时，直接存储文本内容
|
|
content = textContent;
|
|
}
|
|
|
|
if (nodeId) {
|
|
const numericId = Number(nodeId);
|
|
if (isNaN(numericId)) {
|
|
throw new Error("无效的节点ID");
|
|
}
|
|
|
|
await request("/update_note", {
|
|
id: numericId,
|
|
pid: currentPid,
|
|
title,
|
|
content
|
|
});
|
|
showToast('节点已更新', 'success');
|
|
} else {
|
|
await request("/add_note", {
|
|
pid: currentPid,
|
|
title,
|
|
content
|
|
});
|
|
showToast('节点已添加', 'success');
|
|
}
|
|
|
|
resetForm();
|
|
load(currentPid);
|
|
} catch (e) {
|
|
showToast(`${nodeId ? '更新' : '添加'}失败: ${e.message}`, 'error');
|
|
console.error("保存节点错误:", e);
|
|
}
|
|
}
|
|
|
|
// 检查并显示删除模态框
|
|
async function checkAndShowDeleteModal(event, id, title, hasFile) {
|
|
// 防止事件冒泡和默认行为
|
|
if (event) {
|
|
event.stopPropagation();
|
|
event.preventDefault();
|
|
}
|
|
|
|
// 解码 encodeURIComponent(escapeHtml(...)) 双重编码的标题
|
|
try {
|
|
title = htmlUnescape(decodeURIComponent(title));
|
|
} catch (e) {
|
|
console.error("标题解码失败:", e);
|
|
}
|
|
|
|
// 显示文件提示
|
|
if (domElements.deleteFileHint) {
|
|
domElements.deleteFileHint.style.display = hasFile ? "block" : "none";
|
|
}
|
|
|
|
// 验证必要参数
|
|
if (!title || title.trim() === "") {
|
|
showToast("删除失败：节点信息不完整", 'error');
|
|
console.error("删除失败：标题为空或未定义");
|
|
resetDeleteButton(event, id);
|
|
return;
|
|
}
|
|
|
|
const numericId = Number(id);
|
|
if (isNaN(numericId)) {
|
|
showToast("无效的节点ID", 'error');
|
|
resetDeleteButton(event, id);
|
|
return;
|
|
}
|
|
|
|
// 检查DOM元素是否已初始化
|
|
if (!domElements.deleteModal) {
|
|
initDomElements(); // 重新尝试初始化
|
|
}
|
|
|
|
// 再次检查关键元素
|
|
if (!domElements.deleteModal || !domElements.deleteMessage || !domElements.deleteNodeTitle) {
|
|
showToast("删除功能初始化失败，请刷新页面重试", 'error');
|
|
console.error("删除确认框关键元素缺失");
|
|
resetDeleteButton(event, id);
|
|
return;
|
|
}
|
|
|
|
// 获取并禁用删除按钮
|
|
let deleteButton = getDeleteButton(event, numericId);
|
|
if (deleteButton) {
|
|
deleteButton.disabled = true;
|
|
deleteButton.innerHTML = '<i class="fas fa-spinner fa-spin"></i> 检查中';
|
|
}
|
|
|
|
try {
|
|
// 检查是否有子节点
|
|
const childrenExist = await hasChildren(numericId);
|
|
|
|
if (childrenExist) {
|
|
// 有子节点，不允许删除
|
|
showToast("该节点包含子节点，无法删除", 'error');
|
|
} else {
|
|
// 没有子节点，可以删除，显示确认框
|
|
deletingId = numericId;
|
|
domElements.deleteNodeTitle.textContent = title;
|
|
domElements.deleteMessage.textContent = "确定删除以下节点吗？";
|
|
domElements.deleteModal.classList.add("show");
|
|
}
|
|
} catch (e) {
|
|
showToast(`删除操作失败: ${e.message}`, 'error');
|
|
console.error("删除检查错误:", e);
|
|
} finally {
|
|
// 恢复按钮状态
|
|
resetDeleteButton(event, numericId);
|
|
}
|
|
}
|
|
|
|
// 辅助函数：获取删除按钮
|
|
function getDeleteButton(event, nodeId) {
|
|
if (event && event.currentTarget) {
|
|
return event.currentTarget;
|
|
}
|
|
return document.getElementById(`delete-btn-${nodeId}`);
|
|
}
|
|
|
|
// 辅助函数：重置删除按钮状态
|
|
function resetDeleteButton(event, nodeId) {
|
|
const deleteButton = getDeleteButton(event, nodeId);
|
|
if (deleteButton && typeof deleteButton.disabled !== 'undefined') {
|
|
deleteButton.disabled = false;
|
|
deleteButton.innerHTML = '<i class="fas fa-trash"></i> 删除';
|
|
}
|
|
}
|
|
|
|
// 确认删除
|
|
async function confirmDelete() {
|
|
if (deletingId === null) return;
|
|
|
|
// 确保模态框元素存在
|
|
if (!domElements.deleteModal) {
|
|
showToast("删除功能异常，请刷新页面重试", 'error');
|
|
return;
|
|
}
|
|
|
|
try {
|
|
await request("/delete_note", { id: deletingId });
|
|
domElements.deleteModal.classList.remove("show");
|
|
resetForm();
|
|
load(currentPid);
|
|
showToast('节点已删除', 'success');
|
|
} catch (e) {
|
|
showToast('删除失败', 'error');
|
|
}
|
|
}
|
|
|
|
// 关闭删除模态框
|
|
function closeDeleteModal() {
|
|
if (domElements.deleteModal) {
|
|
domElements.deleteModal.classList.remove("show");
|
|
}
|
|
}
|
|
|
|
// ===== 节点迁移功能 =====
|
|
|
|
// 开始迁移模式：记录节点信息，显示迁移栏
|
|
function startMoveNode(id, title, content) {
|
|
// content 经过 encodeURIComponent(escapeHtml()) 双重编码，需还原
|
|
const decodedContent = htmlUnescape(decodeURIComponent(content));
|
|
movingNode = { id: id, title: title, content: decodedContent };
|
|
const moveBar = document.getElementById('move-mode-bar');
|
|
const moveTitle = document.getElementById('moving-node-title');
|
|
if (moveBar && moveTitle) {
|
|
moveTitle.textContent = title;
|
|
moveBar.style.display = 'flex';
|
|
}
|
|
// 重新渲染当前节点列表（隐藏被迁移的节点，其余节点去掉移动按钮）
|
|
renderNodes(lastLoadedNodes);
|
|
showToast(`已选择节点「${title}」，请导航到目标位置后点击「移动到此」`, 'info');
|
|
}
|
|
|
|
// 确认移动：将节点移到当前目录
|
|
async function confirmMoveHere() {
|
|
if (!movingNode) return;
|
|
|
|
try {
|
|
// 防止移入自身
|
|
if (movingNode.id === currentPid) {
|
|
showToast('不能将节点移到自身内部', 'error');
|
|
return;
|
|
}
|
|
|
|
// 后端 update_note 要求 title 和 content 非空，保留原始内容
|
|
const title = movingNode.title;
|
|
let content = movingNode.content;
|
|
if (!content) content = ' '; // 空内容时使用空格占位
|
|
|
|
await request("/update_note", {
|
|
id: movingNode.id,
|
|
pid: currentPid,
|
|
title: title,
|
|
content: content
|
|
});
|
|
|
|
showToast(`节点「${title}」已移动到当前位置`, 'success');
|
|
cancelMove();
|
|
load(currentPid);
|
|
} catch (e) {
|
|
showToast(`移动失败: ${e.message || e}`, 'error');
|
|
console.error("移动节点错误:", e);
|
|
}
|
|
}
|
|
|
|
// 取消迁移模式
|
|
function cancelMove() {
|
|
movingNode = null;
|
|
const moveBar = document.getElementById('move-mode-bar');
|
|
if (moveBar) moveBar.style.display = 'none';
|
|
renderNodes(lastLoadedNodes);
|
|
}
|
|
|
|
// 处理文件上传并转换为Base64（完全在后台处理，不显示编码）
|
|
function handleFileUpload(files) {
|
|
if (!files || files.length === 0) return;
|
|
|
|
const file = files[0];
|
|
currentFileInfo.name = file.name;
|
|
currentFileInfo.size = file.size;
|
|
currentFileInfo.uploadTime = new Date().toLocaleString();
|
|
currentFileInfo.metadataError = false;
|
|
|
|
// 更新文件信息显示
|
|
if (domElements.fileInfo) {
|
|
domElements.fileInfo.textContent = `正在处理: ${file.name} (${formatFileSize(file.size)})`;
|
|
}
|
|
|
|
// 隐藏修复提示
|
|
if (domElements.dataRepairHint) {
|
|
domElements.dataRepairHint.style.display = "none";
|
|
}
|
|
|
|
// 显示进度条
|
|
if (domElements.fileProgress) {
|
|
domElements.fileProgress.style.display = "block";
|
|
}
|
|
if (domElements.fileProgressBar) {
|
|
domElements.fileProgressBar.style.width = "0%";
|
|
}
|
|
|
|
const reader = new FileReader();
|
|
|
|
// 进度更新
|
|
reader.onprogress = function(e) {
|
|
if (e.lengthComputable && domElements.fileProgressBar) {
|
|
const percent = (e.loaded / e.total) * 100;
|
|
domElements.fileProgressBar.style.width = percent + "%";
|
|
}
|
|
};
|
|
|
|
// 读取完成（编码在后台处理，不向用户展示）
|
|
reader.onload = function(e) {
|
|
try {
|
|
// 提取Base64数据部分（完全在后台处理）
|
|
const base64String = e.target.result.split(',')[1];
|
|
currentFileInfo.base64 = base64String;
|
|
|
|
// 将Base64字符串放入隐藏字段（用户不可见）
|
|
if (domElements.hiddenBase64) {
|
|
domElements.hiddenBase64.value = base64String;
|
|
}
|
|
|
|
// 保存文件元数据，使用安全的JSON序列化
|
|
const metadata = {
|
|
name: currentFileInfo.name,
|
|
size: currentFileInfo.size,
|
|
uploadTime: currentFileInfo.uploadTime
|
|
};
|
|
|
|
if (domElements.fileMetadata) {
|
|
domElements.fileMetadata.value = safeJsonStringify(metadata);
|
|
}
|
|
|
|
// 更新标题（如果为空）
|
|
const nodeTitleEl = document.getElementById("node-title");
|
|
if (nodeTitleEl && !nodeTitleEl.value.trim()) {
|
|
nodeTitleEl.value = file.name;
|
|
}
|
|
|
|
// 重置错误样式
|
|
if (domElements.fileMetaInfo) {
|
|
domElements.fileMetaInfo.className = "file-meta-info";
|
|
}
|
|
|
|
// 只显示文件元信息，不显示编码
|
|
if (domElements.fileMetaContainer) domElements.fileMetaContainer.style.display = "block";
|
|
if (domElements.metaFilename) domElements.metaFilename.textContent = currentFileInfo.name;
|
|
if (domElements.metaFilesize) domElements.metaFilesize.textContent = formatFileSize(currentFileInfo.size);
|
|
if (domElements.metaUploadtime) domElements.metaUploadtime.textContent = currentFileInfo.uploadTime;
|
|
|
|
// 显示下载区域
|
|
if (domElements.downloadSection) domElements.downloadSection.style.display = "block";
|
|
|
|
// 更新状态信息
|
|
if (domElements.fileInfo) {
|
|
domElements.fileInfo.textContent = `已完成: ${file.name} 已上传`;
|
|
}
|
|
|
|
showToast(`文件 "${file.name}" 已上传`, 'success');
|
|
} catch (error) {
|
|
showToast(`文件处理失败: ${error.message}`, 'error');
|
|
console.error("文件处理错误:", error);
|
|
}
|
|
};
|
|
|
|
// 读取失败
|
|
reader.onerror = function() {
|
|
showToast("文件读取失败，请重试", 'error');
|
|
if (domElements.fileInfo) {
|
|
domElements.fileInfo.textContent = `读取失败: ${file.name}`;
|
|
}
|
|
};
|
|
|
|
// 读取文件并转换为DataURL（包含Base64，完全在后台处理）
|
|
reader.readAsDataURL(file);
|
|
}
|
|
|
|
// 移除已上传的文件
|
|
function removeFile() {
|
|
currentFileInfo = { name: "", size: 0, base64: "", uploadTime: "", metadataError: false };
|
|
|
|
if (domElements.fileUpload) domElements.fileUpload.value = "";
|
|
if (domElements.fileInfo) domElements.fileInfo.textContent = "未选择文件";
|
|
if (domElements.fileMetaContainer) domElements.fileMetaContainer.style.display = "none";
|
|
if (domElements.fileMetaInfo) {
|
|
domElements.fileMetaInfo.className = "file-meta-info"; // 重置样式
|
|
}
|
|
if (domElements.dataRepairHint) domElements.dataRepairHint.style.display = "none";
|
|
if (domElements.fileProgress) domElements.fileProgress.style.display = "none";
|
|
if (domElements.fileProgressBar) domElements.fileProgressBar.style.width = "0%";
|
|
if (domElements.hiddenBase64) domElements.hiddenBase64.value = "";
|
|
if (domElements.fileMetadata) domElements.fileMetadata.value = "";
|
|
if (domElements.downloadSection) domElements.downloadSection.style.display = "none";
|
|
|
|
showToast("文件已移除", 'info');
|
|
}
|
|
|
|
// 将Base64内容解码并下载为文件（完全在后台处理解码）
|
|
function decodeAndDownload(nodeId, fileName, isEditing = false) {
|
|
let base64String, name, metadataError = false;
|
|
|
|
// 判断是从列表下载还是编辑模式下载
|
|
if (isEditing) {
|
|
// 编辑模式，使用当前表单中的文件数据（后台处理）
|
|
base64String = domElements.hiddenBase64?.value.trim();
|
|
name = currentFileInfo.name;
|
|
metadataError = currentFileInfo.metadataError;
|
|
} else if (nodeId !== null && nodeId !== undefined) {
|
|
// 列表模式，使用缓存的文件数据（后台处理）
|
|
const fileData = nodeFileCache[nodeId];
|
|
if (!fileData) {
|
|
showToast("文件数据不存在或已过期", 'error');
|
|
return;
|
|
}
|
|
base64String = fileData.base64;
|
|
name = (fileName ? htmlUnescape(decodeURIComponent(fileName)) : null) || fileData.name;
|
|
metadataError = fileData.metadataError;
|
|
} else {
|
|
showToast("无法确定下载来源", 'error');
|
|
return;
|
|
}
|
|
|
|
if (!base64String) {
|
|
showToast("没有可解码的文件数据", 'error');
|
|
return;
|
|
}
|
|
|
|
if (!name) {
|
|
showToast("文件信息缺失，无法下载", 'error');
|
|
return;
|
|
}
|
|
|
|
// 如果元数据有错误，提前警告用户
|
|
if (metadataError) {
|
|
if (!confirm('此文件的元数据可能已损坏，下载的文件可能无法正常使用。是否继续？')) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
try {
|
|
// 检查是否是有效的Base64（后台处理）
|
|
if (!isBase64(base64String)) {
|
|
throw new Error("文件数据损坏，无法下载");
|
|
}
|
|
|
|
// 解码Base64（完全在后台处理，用户不可见）
|
|
const byteCharacters = atob(base64String);
|
|
const byteNumbers = new Array(byteCharacters.length);
|
|
|
|
for (let i = 0; i < byteCharacters.length; i++) {
|
|
byteNumbers[i] = byteCharacters.charCodeAt(i);
|
|
}
|
|
|
|
const byteArray = new Uint8Array(byteNumbers);
|
|
const blob = new Blob([byteArray], { type: 'application/octet-stream' });
|
|
|
|
// 创建下载链接
|
|
const url = URL.createObjectURL(blob);
|
|
const a = document.createElement('a');
|
|
a.href = url;
|
|
a.download = name;
|
|
document.body.appendChild(a);
|
|
a.click();
|
|
|
|
// 清理
|
|
setTimeout(() => {
|
|
document.body.removeChild(a);
|
|
URL.revokeObjectURL(url);
|
|
}, 0);
|
|
|
|
showToast(`文件 "${name}" 已下载`, 'success');
|
|
} catch (error) {
|
|
showToast(`下载失败: ${error.message}`, 'error');
|
|
console.error("文件下载错误:", error);
|
|
}
|
|
}
|
|
|
|
// 检查字符串是否为有效的Base64（后台处理）
|
|
function isBase64(str) {
|
|
try {
|
|
return btoa(atob(str)) === str;
|
|
} catch (err) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// 格式化文件大小显示
|
|
function formatFileSize(bytes) {
|
|
if (bytes === 0) return '0 Bytes';
|
|
const k = 1024;
|
|
const sizes = ['Bytes', 'KB', 'MB', 'GB'];
|
|
const i = Math.floor(Math.log(bytes) / Math.log(k));
|
|
return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
|
|
}
|
|
|
|
// 添加拖拽文件支持
|
|
function initDragAndDrop() {
|
|
const uploadArea = document.querySelector('.file-upload-area');
|
|
if (!uploadArea) return;
|
|
|
|
uploadArea.addEventListener('dragover', (e) => {
|
|
e.preventDefault();
|
|
uploadArea.style.borderColor = '#888';
|
|
uploadArea.style.backgroundColor = '#f0f0f0';
|
|
});
|
|
|
|
uploadArea.addEventListener('dragleave', () => {
|
|
uploadArea.style.borderColor = '#ccc';
|
|
uploadArea.style.backgroundColor = 'transparent';
|
|
});
|
|
|
|
uploadArea.addEventListener('drop', (e) => {
|
|
e.preventDefault();
|
|
uploadArea.style.borderColor = '#ccc';
|
|
uploadArea.style.backgroundColor = 'transparent';
|
|
|
|
if (e.dataTransfer.files.length) {
|
|
handleFileUpload(e.dataTransfer.files);
|
|
}
|
|
});
|
|
}
|
|
|
|
// 初始化
|
|
document.addEventListener('DOMContentLoaded', () => {
|
|
// 页面加载时初始化DOM元素引用
|
|
initDomElements();
|
|
initDragAndDrop();
|
|
load();
|
|
showToast('系统就绪', 'success');
|
|
|
|
// 键盘事件
|
|
document.addEventListener('keydown', e => {
|
|
if (e.ctrlKey && e.key === 'n') {
|
|
e.preventDefault();
|
|
resetForm();
|
|
} else if (e.ctrlKey && e.key === 's') {
|
|
e.preventDefault();
|
|
saveNode();
|
|
} else if (e.ctrlKey && e.key === 'b') {
|
|
e.preventDefault();
|
|
goBack();
|
|
} else if (e.key === 'Escape') {
|
|
if (movingNode) {
|
|
cancelMove();
|
|
showToast('已取消移动', 'info');
|
|
} else {
|
|
closeDeleteModal();
|
|
}
|
|
}
|
|
});
|
|
}); |