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{2,}\n)|[\s\S]*?(?:(?=[\\t+" ".repeat(n.length)));e;)if(!(this.options.extensions&&this.options.extensions.block&&this.options.extensions.block.some((s=>!!(n=s.call({lexer:this},e,t))&&(e=e.substring(n.raw.length),t.push(n),!0)))))if(n=this.tokenizer.space(e))e=e.substring(n.raw.length),1===n.raw.length&&t.length>0?t[t.length-1].raw+="\n":t.push(n);else if(n=this.tokenizer.code(e))e=e.substring(n.raw.length),s=t[t.length-1],!s||"paragraph"!==s.type&&"text"!==s.type?t.push(n):(s.raw+="\n"+n.raw,s.text+="\n"+n.text,this.inlineQueue[this.inlineQueue.length-1].src=s.text);else if(n=this.tokenizer.fences(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.heading(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.hr(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.blockquote(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.list(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.html(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.def(e))e=e.substring(n.raw.length),s=t[t.length-1],!s||"paragraph"!==s.type&&"text"!==s.type?this.tokens.links[n.tag]||(this.tokens.links[n.tag]={href:n.href,title:n.title}):(s.raw+="\n"+n.raw,s.text+="\n"+n.raw,this.inlineQueue[this.inlineQueue.length-1].src=s.text);else if(n=this.tokenizer.table(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.lheading(e))e=e.substring(n.raw.length),t.push(n);else{if(r=e,this.options.extensions&&this.options.extensions.startBlock){let t=1/0;const n=e.slice(1);let s;this.options.extensions.startBlock.forEach((e=>{s=e.call({lexer:this},n),"number"==typeof 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e=Object.keys(this.tokens.links);if(e.length>0)for(;null!=(i=this.tokenizer.rules.inline.reflinkSearch.exec(a));)e.includes(i[0].slice(i[0].lastIndexOf("[")+1,-1))&&(a=a.slice(0,i.index)+"["+"a".repeat(i[0].length-2)+"]"+a.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex))}for(;null!=(i=this.tokenizer.rules.inline.blockSkip.exec(a));)a=a.slice(0,i.index)+"["+"a".repeat(i[0].length-2)+"]"+a.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);for(;null!=(i=this.tokenizer.rules.inline.anyPunctuation.exec(a));)a=a.slice(0,i.index)+"++"+a.slice(this.tokenizer.rules.inline.anyPunctuation.lastIndex);for(;e;)if(l||(o=""),l=!1,!(this.options.extensions&&this.options.extensions.inline&&this.options.extensions.inline.some((s=>!!(n=s.call({lexer:this},e,t))&&(e=e.substring(n.raw.length),t.push(n),!0)))))if(n=this.tokenizer.escape(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.tag(e))e=e.substring(n.raw.length),s=t[t.length-1],s&&"text"===n.type&&"text"===s.type?(s.raw+=n.raw,s.text+=n.text):t.push(n);else if(n=this.tokenizer.link(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.reflink(e,this.tokens.links))e=e.substring(n.raw.length),s=t[t.length-1],s&&"text"===n.type&&"text"===s.type?(s.raw+=n.raw,s.text+=n.text):t.push(n);else if(n=this.tokenizer.emStrong(e,a,o))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.codespan(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.br(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.del(e))e=e.substring(n.raw.length),t.push(n);else if(n=this.tokenizer.autolink(e))e=e.substring(n.raw.length),t.push(n);else if(this.state.inLink||!(n=this.tokenizer.url(e))){if(r=e,this.options.extensions&&this.options.extensions.startInline){let t=1/0;const n=e.slice(1);let s;this.options.extensions.startInline.forEach((e=>{s=e.call({lexer:this},n),"number"==typeof s&&s>=0&&(t=Math.min(t,s))})),t<1/0&&t>=0&&(r=e.substring(0,t+1))}if(n=this.tokenizer.inlineText(r))e=e.substring(n.raw.length),"_"!==n.raw.slice(-1)&&(o=n.raw.slice(-1)),l=!0,s=t[t.length-1],s&&"text"===s.type?(s.raw+=n.raw,s.text+=n.text):t.push(n);else if(e){const t="Infinite loop on byte: "+e.charCodeAt(0);if(this.options.silent){console.error(t);break}throw new Error(t)}}else e=e.substring(n.raw.length),t.push(n);return t}}class se{options;constructor(t){this.options=t||e.defaults}code(e,t,n){const s=(t||"").match(/^\S*/)?.[0];return e=e.replace(/\n$/,"")+"\n",s?'
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    An error occurred:

    "+c(n.message+"",!0)+"
    ";return t?Promise.resolve(e):e}if(t)return Promise.reject(n);throw n}}}const ae=new oe;function ce(e,t){return ae.parse(e,t)}ce.options=ce.setOptions=function(e){return ae.setOptions(e),ce.defaults=ae.defaults,n(ce.defaults),ce},ce.getDefaults=t,ce.defaults=e.defaults,ce.use=function(...e){return ae.use(...e),ce.defaults=ae.defaults,n(ce.defaults),ce},ce.walkTokens=function(e,t){return ae.walkTokens(e,t)},ce.parseInline=ae.parseInline,ce.Parser=ie,ce.parser=ie.parse,ce.Renderer=se,ce.TextRenderer=re,ce.Lexer=ne,ce.lexer=ne.lex,ce.Tokenizer=w,ce.Hooks=le,ce.parse=ce;const he=ce.options,pe=ce.setOptions,ue=ce.use,ke=ce.walkTokens,ge=ce.parseInline,fe=ce,de=ie.parse,xe=ne.lex;e.Hooks=le,e.Lexer=ne,e.Marked=oe,e.Parser=ie,e.Renderer=se,e.TextRenderer=re,e.Tokenizer=w,e.getDefaults=t,e.lexer=xe,e.marked=ce,e.options=he,e.parse=fe,e.parseInline=ge,e.parser=de,e.setOptions=pe,e.use=ue,e.walkTokens=ke})); diff --git a/main.js b/main.js deleted file mode 100644 index c7725fa..0000000 --- a/main.js +++ /dev/null @@ -1,447 +0,0 @@ -const { app, BrowserWindow, dialog, ipcMain } = require('electron'); -const path = require('path'); -const fs = require('fs'); -const { readFile, stat } = require('fs/promises'); - -const MAX_FILE_SIZE = 20 * 1024 * 1024; // 20MB - -let mainWindow = null; -let activeFilePath = null; // Currently active tab's file path -let pendingFilePath = null; -let fileWatcher = null; -let closeTimeout = null; -let isClosing = false; // Prevent re-entrant close -let isSelfWriting = false; // Skip fs.watch events triggered by our own writes - -// ===== Single Instance Lock ===== -const gotTheLock = app.requestSingleInstanceLock(); - -if (!gotTheLock) { - app.quit(); -} else { - app.on('second-instance', (event, commandLine, workingDirectory) => { - // A second instance was launched (e.g. double-clicking a .md file) - // Focus the existing window and open the file in it - if (mainWindow && !mainWindow.isDestroyed()) { - if (mainWindow.isMinimized()) mainWindow.restore(); - mainWindow.focus(); - - // Extract file path from the second instance's command line args - const filePath = getFilePathFromArgs(commandLine); - if (filePath) { - openFileInTab(filePath); - } - } - }); -} - -// Extract a valid file path from command line arguments (skip Electron flags) -function getFilePathFromArgs(args) { - for (let i = 1; i < args.length; i++) { - const arg = args[i]; - if (!arg.startsWith('--') && !arg.startsWith('-')) { - try { - if (fs.existsSync(arg)) return arg; - } catch (e) { /* ignore */ } - } - } - return null; -} - -function createWindow() { - mainWindow = new BrowserWindow({ - width: 1200, - height: 800, - minWidth: 800, - minHeight: 600, - icon: path.join(__dirname, 'assets', 'icon.ico'), - webPreferences: { - preload: path.join(__dirname, 'preload.js'), - contextIsolation: true, - nodeIntegration: false - }, - titleBarStyle: 'default', - show: false - }); - - mainWindow.webContents.on('did-finish-load', () => { - if (pendingFilePath) { - openFileInTab(pendingFilePath); - pendingFilePath = null; - } - }); - - mainWindow.loadFile(path.join(__dirname, 'renderer', 'index.html')); - - mainWindow.once('ready-to-show', () => { - mainWindow.show(); - }); - - mainWindow.setMenu(null); - - // Unsaved changes warning on close - mainWindow.on('close', (e) => { - if (isClosing) return; // Prevent re-entrant close - isClosing = true; - e.preventDefault(); - try { - // 检查 webContents 是否仍可用 - if (!mainWindow.webContents.isDestroyed()) { - mainWindow.webContents.send('window:confirmClose'); - } else { - // 渲染进程已销毁，直接关闭 - mainWindow.removeAllListeners('close'); - mainWindow.close(); - return; - } - } catch (err) { - mainWindow.removeAllListeners('close'); - mainWindow.close(); - return; - } - // 5s safety timeout in case renderer is unresponsive - closeTimeout = setTimeout(() => { - closeTimeout = null; - if (mainWindow && !mainWindow.isDestroyed()) { - mainWindow.removeAllListeners('close'); - mainWindow.close(); - } - }, 5000); - }); - - mainWindow.on('closed', () => { - stopWatching(); - stopSidebarWatching(); - mainWindow = null; - }); -} - -// File watcher -function startWatching(filePath) { - stopWatching(); - if (!filePath) return; - try { - fileWatcher = fs.watch(filePath, (eventType) => { - if (eventType === 'change' && mainWindow && !mainWindow.isDestroyed()) { - // 跳过自身写入触发的 change 事件 - if (isSelfWriting) return; - mainWindow.webContents.send('file:externallyModified', filePath); - } - }); - } catch (err) { - // Silently ignore - } -} - -function stopWatching() { - if (fileWatcher) { - fileWatcher.close(); - fileWatcher = null; - } -} - -async function showOpenDialog() { - const result = await dialog.showOpenDialog(mainWindow, { - properties: ['openFile'], - filters: [ - { name: 'Markdown 文件', extensions: ['md', 'markdown', 'txt'] } - ] - }); - if (!result.canceled && result.filePaths.length > 0) { - return result.filePaths; - } - return null; -} - -async function readFileContent(filePath) { - // 文件大小检查 - const stats = await stat(filePath); - if (stats.size > MAX_FILE_SIZE) { - throw new Error(`文件过大（${(stats.size / 1024 / 1024).toFixed(1)} MB），暂不支持超过 20MB 的文件`); - } - let content = await readFile(filePath, 'utf-8'); - // 剥离 UTF-8 BOM（Windows 某些编辑器会添加） - if (content.charCodeAt(0) === 0xFEFF) content = content.slice(1); - return content; -} - -// Open file in a new tab (renderer manages tabs) -async function openFileInTab(filePath) { - if (!mainWindow || mainWindow.isDestroyed()) return; - try { - const content = await readFileContent(filePath); - activeFilePath = filePath; - startWatching(filePath); - mainWindow.setTitle(`MarkLite - ${path.basename(filePath)}`); - mainWindow.webContents.send('file:openInTab', { filePath, content }); - } catch (err) { - dialog.showErrorBox('错误', `无法读取文件: ${err.message}`); - } -} - -// Switch active file (for tab switching) -function switchActiveFile(filePath) { - activeFilePath = filePath || null; - startWatching(filePath); - if (mainWindow && !mainWindow.isDestroyed()) { - if (filePath) { - mainWindow.setTitle(`MarkLite - ${path.basename(filePath)}`); - } else { - mainWindow.setTitle('MarkLite'); - } - } -} - -// IPC Handlers - -// Save file to a specific path with watcher management -async function saveToPath(filePath, content) { - stopWatching(); - try { - isSelfWriting = true; - await fs.promises.writeFile(filePath, content, 'utf-8'); - isSelfWriting = false; - } catch (err) { - isSelfWriting = false; - startWatching(activeFilePath); - return { success: false, error: err.message }; - } - activeFilePath = filePath; - // 延迟 300ms 重新监听，确保文件系统的 change 事件已过期 - setTimeout(() => { - if (activeFilePath === filePath) { - startWatching(filePath); - } - }, 300); - if (mainWindow && !mainWindow.isDestroyed()) { - mainWindow.setTitle(`MarkLite - ${path.basename(filePath)}`); - } - return { success: true, filePath }; -} - -// Open single file via dialog -ipcMain.handle('dialog:openFile', async () => { - try { - const files = await showOpenDialog(); - if (files && files.length > 0) { - const content = await readFileContent(files[0]); - activeFilePath = files[0]; - startWatching(files[0]); - mainWindow.setTitle(`MarkLite - ${path.basename(files[0])}`); - return { filePath: files[0], content }; - } - return null; - } catch (err) { - return { error: err.message }; - } -}); - - -ipcMain.handle('file:read', async (event, filePath) => { - try { - const content = await readFileContent(filePath); - return { success: true, content }; - } catch (err) { - return { success: false, error: err.message }; - } -}); - -ipcMain.handle('file:save', async (event, { filePath, content }) => { - try { - if (filePath) { - return await saveToPath(filePath, content); - } else { - const result = await dialog.showSaveDialog(mainWindow, { - filters: [ - { name: 'Markdown 文件', extensions: ['md'] } - ] - }); - if (!result.canceled) { - return await saveToPath(result.filePath, content); - } - return { success: false, canceled: true }; - } - } catch (err) { - return { success: false, error: err.message }; - } -}); - -ipcMain.handle('file:saveAs', async (event, { content }) => { - try { - const result = await dialog.showSaveDialog(mainWindow, { - filters: [ - { name: 'Markdown 文件', extensions: ['md'] } - ] - }); - if (!result.canceled) { - return await saveToPath(result.filePath, content); - } - return { success: false, canceled: true }; - } catch (err) { - return { success: false, error: err.message }; - } -}); - -ipcMain.handle('file:getCurrentPath', () => { - return activeFilePath; -}); - -ipcMain.handle('file:stats', async (event, filePath) => { - try { - const fileStat = await stat(filePath); - return { success: true, size: fileStat.size, mtime: fileStat.mtime.toISOString() }; - } catch (err) { - return { success: false, error: err.message }; - } -}); - -ipcMain.handle('file:reload', async () => { - if (!activeFilePath) return { success: false, error: '没有打开的文件' }; - try { - const content = await readFileContent(activeFilePath); - return { success: true, content, filePath: activeFilePath }; - } catch (err) { - return { success: false, error: err.message }; - } -}); - -// ===== File Tree (Sidebar) ===== -const SKIP_DIRS = new Set(['node_modules', '.git', '.svn', '.hg', 'dist', 'out', '.next', '.nuxt', '__pycache__', '.DS_Store']); -const MARKDOWN_EXTS = new Set(['.md', '.markdown', '.txt']); - -async function buildDirTree(dirPath) { - const entries = await fs.promises.readdir(dirPath, { withFileTypes: true }); - // Sort: directories first, then files, alphabetically - entries.sort((a, b) => { - if (a.isDirectory() && !b.isDirectory()) return -1; - if (!a.isDirectory() && b.isDirectory()) return 1; - return a.name.localeCompare(b.name); - }); - - const children = []; - for (const entry of entries) { - if (SKIP_DIRS.has(entry.name)) continue; - if (entry.name.startsWith('.')) continue; - - const childPath = path.join(dirPath, entry.name); - if (entry.isDirectory()) { - const subChildren = await buildDirTree(childPath); - if (subChildren.length > 0) { - children.push({ name: entry.name, path: childPath, type: 'dir', children: subChildren }); - } - } else { - const ext = path.extname(entry.name).toLowerCase(); - if (MARKDOWN_EXTS.has(ext)) { - children.push({ name: entry.name, path: childPath, type: 'file' }); - } - } - } - return children; -} - -ipcMain.handle('dir:readTree', async (event, dirPath) => { - try { - const tree = await buildDirTree(dirPath); - return { success: true, tree, rootPath: dirPath }; - } catch (err) { - return { success: false, error: err.message }; - } -}); - -let sidebarWatcher = null; -let sidebarWatchPath = null; - -function startSidebarWatching(dirPath) { - stopSidebarWatching(); - if (!dirPath) return; - try { - sidebarWatchPath = dirPath; - sidebarWatcher = fs.watch(dirPath, { recursive: true }, (eventType, filename) => { - if (mainWindow && !mainWindow.isDestroyed()) { - mainWindow.webContents.send('sidebar:dirChanged'); - } - }); - } catch (err) { /* ignore */ } -} - -function stopSidebarWatching() { - if (sidebarWatcher) { sidebarWatcher.close(); sidebarWatcher = null; } - sidebarWatchPath = null; -} - -ipcMain.handle('dir:watch', (event, dirPath) => { - startSidebarWatching(dirPath); -}); - -ipcMain.handle('dir:unwatch', () => { - stopSidebarWatching(); -}); - -ipcMain.handle('dir:openDialog', async () => { - const result = await dialog.showOpenDialog(mainWindow, { - properties: ['openDirectory'] - }); - if (!result.canceled && result.filePaths.length > 0) { - return result.filePaths[0]; - } - return null; -}); - -// Tab switched - update active file tracking -ipcMain.handle('tab:switched', (event, filePath) => { - switchActiveFile(filePath); -}); - -ipcMain.handle('window:forceClose', () => { - if (closeTimeout) { - clearTimeout(closeTimeout); - closeTimeout = null; - } - // 窗口已销毁则无需操作（超时兜底可能已经关闭了窗口） - if (!mainWindow || mainWindow.isDestroyed()) return; - stopWatching(); - mainWindow.removeAllListeners('close'); - mainWindow.close(); -}); - -ipcMain.handle('window:cancelClose', () => { - if (closeTimeout) { - clearTimeout(closeTimeout); - closeTimeout = null; - } - isClosing = false; // Reset so close can be triggered again -}); - -// Command line file (first instance) -function getCommandLineFile() { - return getFilePathFromArgs(process.argv); -} - -// App lifecycle -app.whenReady().then(() => { - app.on('open-file', (event, filePath) => { - event.preventDefault(); - if (mainWindow && !mainWindow.isDestroyed() && mainWindow.webContents.isLoading()) { - pendingFilePath = filePath; - } else if (mainWindow && !mainWindow.isDestroyed()) { - openFileInTab(filePath); - } else { - pendingFilePath = filePath; - } - }); - - createWindow(); - - const fileToOpen = getCommandLineFile(); - if (fileToOpen) { - pendingFilePath = fileToOpen; - } -}); - -app.on('window-all-closed', () => { - if (process.platform !== 'darwin') app.quit(); -}); - -app.on('activate', () => { - if (BrowserWindow.getAllWindows().length === 0) createWindow(); -}); diff --git a/preload.js b/preload.js deleted file mode 100644 index 352131e..0000000 --- a/preload.js +++ /dev/null @@ -1,40 +0,0 @@ -const { contextBridge, ipcRenderer, shell } = require('electron'); - -contextBridge.exposeInMainWorld('electronAPI', { - // File operations - openFile: () => ipcRenderer.invoke('dialog:openFile'), - readFile: (filePath) => ipcRenderer.invoke('file:read', filePath), - saveFile: (data) => ipcRenderer.invoke('file:save', data), - saveFileAs: (data) => ipcRenderer.invoke('file:saveAs', data), - getCurrentPath: () => ipcRenderer.invoke('file:getCurrentPath'), - getFileStats: (filePath) => ipcRenderer.invoke('file:stats', filePath), - reloadFile: () => ipcRenderer.invoke('file:reload'), - - // Tab management - tabSwitched: (filePath) => ipcRenderer.invoke('tab:switched', filePath), - - // Window control - forceClose: () => ipcRenderer.invoke('window:forceClose'), - cancelClose: () => ipcRenderer.invoke('window:cancelClose'), - - // Shell - openExternal: (url) => shell.openExternal(url), - - // File Tree (Sidebar) - readDirTree: (dirPath) => ipcRenderer.invoke('dir:readTree', dirPath), - openFolderDialog: () => ipcRenderer.invoke('dir:openDialog'), - watchDir: (dirPath) => ipcRenderer.invoke('dir:watch', dirPath), - unwatchDir: () => ipcRenderer.invoke('dir:unwatch'), - - // Events from main process - onFileOpenInTab: (callback) => ipcRenderer.on('file:openInTab', (event, data) => callback(data)), - onMenuSave: (callback) => ipcRenderer.on('menu:save', () => callback()), - onMenuSaveAs: (callback) => ipcRenderer.on('menu:saveAs', () => callback()), - onViewModeChange: (callback) => ipcRenderer.on('menu:viewMode', (event, mode) => callback(mode)), - onExternalModification: (callback) => ipcRenderer.on('file:externallyModified', (event, filePath) => callback(filePath)), - onDirChanged: (callback) => ipcRenderer.on('sidebar:dirChanged', () => callback()), - onConfirmClose: (callback) => ipcRenderer.on('window:confirmClose', () => callback()), - - // Remove listeners - removeAllListeners: (channel) => ipcRenderer.removeAllListeners(channel) -}); diff --git a/renderer/index.html b/renderer/index.html deleted file mode 100644 index e6e7b71..0000000 --- a/renderer/index.html +++ /dev/null @@ -1,216 +0,0 @@ - - - - - - - - - MarkLite - - - - -
    - -
    -
    - - -
    - - - -
    -
    - -
    -
    - - -
    - - - - -
    - -
    -
    - -
    -
    - - - -
    - - -
    -
    - -
    -
    - - -
    - - -
    -
    -
    -
    - - -
    -
    -
    - - - M↓ - MarkLite - -
    -

    欢迎使用 MarkLite

    -

    一款轻量级的 Markdown 阅读器

    -
    - - -
    -
    -

    💡 提示：可以直接拖拽 .md 文件到窗口打开

    -

    ⌨️ 快捷键：Ctrl+O 打开 | Ctrl+S 保存 | Ctrl+F 搜索 | Ctrl+H 替换 | Ctrl+1/2/3 视图 | Ctrl+T 标签

    -
    -
    -
    -
    -
    - - -
    -
    - 就绪 -
    -
    - UTF-8 - | - Markdown - | - - | - 行 1, 列 1 -
    -
    - - - -
    - - - - - - diff --git a/renderer/renderer.js b/renderer/renderer.js deleted file mode 100644 index dae606e..0000000 --- a/renderer/renderer.js +++ /dev/null @@ -1,1735 +0,0 @@ -// MarkLite Renderer Process -(function () { - 'use strict'; - - // ===== DOM Elements ===== - const editor = document.getElementById('editor'); - const preview = document.getElementById('preview'); - const lineNumbers = document.getElementById('line-numbers'); - const welcomeScreen = document.getElementById('welcome-screen'); - const dropOverlay = document.getElementById('drop-overlay'); - const modifiedBanner = document.getElementById('modified-banner'); - const statusText = document.getElementById('status-text'); - const statusCursor = document.getElementById('status-cursor'); - const statusSize = document.getElementById('status-size'); - const statusSizeDivider = document.querySelector('.status-size-divider'); - const resizer = document.getElementById('resizer'); - const editorPanel = document.getElementById('editor-panel'); - const previewPanel = document.getElementById('preview-panel'); - const mainContent = document.getElementById('main-content'); - const contentWrapper = document.getElementById('content-wrapper'); - const tabList = document.getElementById('tab-list'); - - // Sidebar - const sidebar = document.getElementById('sidebar'); - const sidebarTree = document.getElementById('sidebar-tree'); - const btnOpenFolder = document.getElementById('btn-open-folder'); - - // Search - const searchBar = document.getElementById('search-bar'); - const searchInput = document.getElementById('search-input'); - const replaceInput = document.getElementById('replace-input'); - const searchCount = document.getElementById('search-count'); - const replaceRow = document.getElementById('replace-row'); - const btnCase = document.getElementById('btn-case'); - const btnRegex = document.getElementById('btn-regex'); - const btnNext = document.getElementById('btn-next'); - const btnPrev = document.getElementById('btn-prev'); - const btnSearchClose = document.getElementById('btn-search-close'); - const btnReplace = document.getElementById('btn-replace'); - const btnReplaceAll = document.getElementById('btn-replace-all'); - const btnToggleReplace = document.getElementById('btn-toggle-replace'); - - // Buttons - const btnOpen = document.getElementById('btn-open'); - const btnSave = document.getElementById('btn-save'); - const btnSplit = document.getElementById('btn-split'); - const btnEditor = document.getElementById('btn-editor'); - const btnPreview = document.getElementById('btn-preview'); - const btnWelcomeOpen = document.getElementById('btn-welcome-open'); - const btnWelcomeNew = document.getElementById('btn-welcome-new'); - const btnDark = document.getElementById('btn-dark'); - const btnReload = document.getElementById('btn-reload'); - const btnDismiss = document.getElementById('btn-dismiss'); - const btnNewTab = document.getElementById('btn-new-tab'); - - // ===== Tab State ===== - let tabs = []; // Array of tab objects - let activeTabId = null; - let tabIdCounter = 0; - let mruTabStack = []; // Most-recently-used tab IDs for Ctrl+Tab - - // ===== Other State ===== - let viewMode = 'split'; - let updateTimer = null; - let lineCountCache = 0; - let _loadingTab = false; // 加载 tab 内容期间跳过 input 事件的 isModified 标记 - let currentRootPath = null; - - // Search state - let searchMatches = []; - let searchIndex = -1; - let searchCaseSensitive = false; - let searchUseRegex = false; - let searchHighlightsOverlay = null; // 当前搜索高亮 overlay 元素引用 - - // ===== Character Width Measurement (#1) ===== - const _charWidthCanvas = document.createElement('canvas'); - const _charWidthCtx = _charWidthCanvas.getContext('2d'); - let _cachedCharWidth = null; - function getCharWidth() { - if (_cachedCharWidth !== null) return _cachedCharWidth; - const style = getComputedStyle(editor); - _charWidthCtx.font = `${style.fontSize} ${style.fontFamily}`; - _cachedCharWidth = _charWidthCtx.measureText('M').width; - return _cachedCharWidth; - } - // Recalculate on font/theme change - new MutationObserver(() => { _cachedCharWidth = null; }).observe(document.documentElement, { attributes: true, attributeFilter: ['class'] }); - - // ===== Actual Line Height Measurement ===== - // textarea 的实际渲染行高可能与 CSS line-height 计算值有微小差异， - // 导致行号面板与编辑器内容逐渐错位。动态测量真实行高来解决。 - let _cachedLineHeight = null; - function getLineHeight() { - if (_cachedLineHeight !== null) return _cachedLineHeight; - const style = getComputedStyle(editor); - const measure = document.createElement('div'); - measure.style.cssText = `position:absolute;visibility:hidden;font-family:${style.fontFamily};font-size:${style.fontSize};line-height:${style.lineHeight};white-space:pre;width:0;`; - measure.textContent = 'X'; - document.body.appendChild(measure); - const singleHeight = measure.offsetHeight; - measure.textContent = 'X\nX'; - const doubleHeight = measure.offsetHeight; - document.body.removeChild(measure); - _cachedLineHeight = doubleHeight - singleHeight || 20.8; - return _cachedLineHeight; - } - // 字体/主题变化时清除缓存 - new MutationObserver(() => { _cachedLineHeight = null; _cachedCharWidth = null; }).observe(document.documentElement, { attributes: true, attributeFilter: ['class'] }); - - // ===== Toast Notification (#5) ===== - function showToast(message, duration) { - duration = duration || 3000; - let toast = document.getElementById('toast-notification'); - if (!toast) { - toast = document.createElement('div'); - toast.id = 'toast-notification'; - document.getElementById('app').appendChild(toast); - } - toast.textContent = message; - toast.classList.add('show'); - clearTimeout(toast._timer); - toast._timer = setTimeout(() => toast.classList.remove('show'), duration); - } - - // ===== Tab Object ===== - function createTab(filePath, content) { - const id = ++tabIdCounter; - return { - id, - filePath: filePath || null, - content: content || '', - isModified: false, - scrollTop: 0, - scrollLeft: 0, - selectionStart: 0, - selectionEnd: 0, - previewScrollTop: 0 - }; - } - - // ===== localStorage Helpers ===== - function loadSettings() { - try { - return JSON.parse(localStorage.getItem('marklite-settings') || '{}'); - } catch { return {}; } - } - - function saveSetting(key, value) { - try { - const s = loadSettings(); - s[key] = value; - localStorage.setItem('marklite-settings', JSON.stringify(s)); - } catch { /* ignore */ } - } - - // ===== Dark Mode ===== - function initDarkMode() { - const settings = loadSettings(); - const iconDark = document.getElementById('icon-dark'); - const iconLight = document.getElementById('icon-light'); - - function apply(isDark) { - document.documentElement.classList.toggle('dark', isDark); - iconDark.style.display = isDark ? 'none' : ''; - iconLight.style.display = isDark ? '' : 'none'; - } - - // Respect system preference if no saved setting - const prefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches; - apply(settings.darkMode !== undefined ? !!settings.darkMode : prefersDark); - - btnDark.addEventListener('click', () => { - const isDark = !document.documentElement.classList.contains('dark'); - apply(isDark); - saveSetting('darkMode', isDark); - }); - } - - // ===== Initialize marked.js ===== - function initMarked() { - if (typeof marked !== 'undefined') { - const renderer = new marked.Renderer(); - // 兼容 marked v4（positional args）和 v9+（token object） - renderer.code = function (codeOrToken, legacyLang) { - const text = (typeof codeOrToken === 'object' && codeOrToken !== null) - ? codeOrToken.text - : codeOrToken; - const lang = (typeof codeOrToken === 'object' && codeOrToken !== null) - ? codeOrToken.lang - : legacyLang; - let highlighted = text; - if (typeof hljs !== 'undefined') { - if (lang && hljs.getLanguage(lang)) { - try { highlighted = hljs.highlight(text, { language: lang }).value; } catch (e) { /* fallback */ } - } else { - try { highlighted = hljs.highlightAuto(text).value; } catch (e) { /* fallback */ } - } - } - const langClass = lang ? ` language-${lang}` : ''; - return `
    ${highlighted}
    `; - }; - // 处理相对路径图片 → file:// URL - renderer.image = function (hrefOrToken, title, text) { - const href = (typeof hrefOrToken === 'object' && hrefOrToken !== null) - ? hrefOrToken.href - : hrefOrToken; - const alt = (typeof hrefOrToken === 'object' && hrefOrToken !== null) - ? hrefOrToken.text - : text; - const titleAttr = (typeof hrefOrToken === 'object' && hrefOrToken !== null) - ? hrefOrToken.title - : title; - let src = href; - // 相对路径转绝对路径 - if (src && !src.startsWith('http://') && !src.startsWith('https://') && !src.startsWith('data:') && !src.startsWith('file://')) { - const tab = getActiveTab(); - if (tab && tab.filePath) { - const dir = tab.filePath.replace(/[/\\][^/\\]+$/, ''); - // 简单路径拼接（不依赖 require('path')） - const sep = dir.includes('\\') ? '\\' : '/'; - src = 'file://' + (dir + sep + src).replace(/\\/g, '/'); - } - } - const titleStr = titleAttr ? ` title="${titleAttr}"` : ''; - return `${alt}`; - }; - marked.setOptions({ gfm: true, breaks: true, pedantic: false }); - marked.use({ renderer }); - } - } - - // ===== HTML Sanitizer ===== - // 移除事件处理器、危险元素和 javascript: 协议，防止 XSS - const DANGEROUS_TAGS = new Set([ - 'script', 'iframe', 'object', 'embed', 'applet', 'form', - 'base', 'meta', 'link', 'style' - ]); - const DANGEROUS_ATTRS = new Set([ - 'onabort', 'onanimationend', 'onanimationiteration', 'onanimationstart', - 'onauxclick', 'onbeforecopy', 'onbeforecut', 'onbeforepaste', 'onblur', - 'oncancel', 'oncanplay', 'oncanplaythrough', 'onchange', 'onclick', - 'onclose', 'oncontextmenu', 'oncopy', 'oncuechange', 'oncut', - 'ondblclick', 'ondrag', 'ondragend', 'ondragenter', 'ondragleave', - 'ondragover', 'ondragstart', 'ondrop', 'ondurationchange', 'onemptied', - 'onended', 'onerror', 'onfocus', 'onfocusin', 'onfocusout', - 'onfullscreenchange', 'onfullscreenerror', 'ongotpointercapture', - 'oninput', 'oninvalid', 'onkeydown', 'onkeypress', 'onkeyup', - 'onload', 'onloadeddata', 'onloadedmetadata', 'onloadstart', - 'onlostpointercapture', 'onmousedown', 'onmouseenter', 'onmouseleave', - 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'onmousewheel', - 'onpaste', 'onpause', 'onplay', 'onplaying', 'onpointercancel', - 'onpointerdown', 'onpointerenter', 'onpointerleave', 'onpointermove', - 'onpointerout', 'onpointerover', 'onpointerup', 'onprogress', - 'onratechange', 'onreset', 'onresize', 'onscroll', 'onsearch', - 'onseeked', 'onseeking', 'onselect', 'onselectionchange', - 'onselectstart', 'onshow', 'onstalled', 'onsubmit', 'onsuspend', - 'ontimeupdate', 'ontoggle', 'ontouchcancel', 'ontouchend', - 'ontouchmove', 'ontouchstart', 'ontransitionend', 'onvolumechange', - 'onwaiting', 'onwheel', 'onanimationend', 'oncontentvisibilityautostatechange', - 'onscrollend', 'onscrollsnapchange', 'onscrollsnapchanging' - ]); - - function sanitizeHTML(html) { - // 用 DOMParser 解析（不会执行脚本） - const doc = new DOMParser().parseFromString(html, 'text/html'); - const walker = document.createTreeWalker(doc.body, NodeFilter.SHOW_ELEMENT); - const toRemove = []; - - while (walker.nextNode()) { - const el = walker.currentNode; - const tag = el.tagName.toLowerCase(); - - // 移除危险元素 - if (DANGEROUS_TAGS.has(tag)) { - toRemove.push(el); - continue; - } - - // 移除危险属性（on* 事件处理器 + javascript: 协议） - for (const attr of Array.from(el.attributes)) { - const name = attr.name.toLowerCase(); - if (DANGEROUS_ATTRS.has(name) || name.startsWith('on')) { - el.removeAttribute(attr.name); - } else if ( - (name === 'href' || name === 'action' || name === 'formaction' || name === 'xlink:href') && - /^\s*javascript:/i.test(attr.value) - ) { - el.removeAttribute(attr.name); - } else if (name === 'style' && /expression\s*\(|url\s*\(\s*['"]?\s*javascript:/i.test(attr.value)) { - el.removeAttribute(attr.name); - } - } - } - - // 批量移除危险元素 - for (const el of toRemove) { - el.parentNode.removeChild(el); - } - - return doc.body.innerHTML; - } - - // ===== Markdown Rendering ===== - function renderMarkdown(text) { - if (typeof marked === 'undefined') { - preview.textContent = '错误: Markdown 解析库未加载'; - preview.style.color = 'red'; - return; - } - try { - const raw = marked.parse(text); - preview.innerHTML = sanitizeHTML(raw); - preview.style.color = ''; - } catch (e) { - preview.textContent = '渲染错误: ' + e.message; - preview.style.color = 'red'; - } - } - - // Intercept link clicks in preview — open in system browser - function initPreviewLinks() { - preview.addEventListener('click', (e) => { - const link = e.target.closest('a'); - if (!link) return; - e.preventDefault(); - const href = link.getAttribute('href'); - if (!href) return; - // Anchor links: scroll within preview - if (href.startsWith('#')) { - const target = preview.querySelector(href); - if (target) target.scrollIntoView({ behavior: 'smooth' }); - return; - } - // Only allow http/https protocols - try { - const url = new URL(href); - if (url.protocol !== 'http:' && url.protocol !== 'https:') return; - } catch { - // Relative URLs fail new URL(), but we already handled anchors above - return; - } - // External links: open in system browser - if (typeof window.electronAPI !== 'undefined' && window.electronAPI.openExternal) { - window.electronAPI.openExternal(href); - } else { - window.open(href, '_blank', 'noopener'); - } - }); - } - - // ===== Line Numbers ===== - // 快速计算换行符数量，避免 split 产生大数组 - function countNewlines(text) { - let count = 1; - for (let i = 0, len = text.length; i < len; i++) { - if (text.charCodeAt(i) === 10) count++; // '\n' = 0x0A - } - return count; - } - - function updateLineNumbers() { - const count = countNewlines(editor.value); - if (count === lineCountCache) return; - lineCountCache = count; - - // 大文件（>2000 行）时用虚拟化：只渲染可视区域的行号 - const LARGE_FILE_THRESHOLD = 2000; - if (count > LARGE_FILE_THRESHOLD) { - renderVirtualLineNumbers(count); - } else { - // 小文件：一次性生成全部行号（使用数组 join 比字符串拼接快） - const arr = new Array(count); - for (let i = 0; i < count; i++) { - arr[i] = '
    ' + (i + 1) + '
    '; - } - lineNumbers.innerHTML = arr.join(''); - } - } - - // 虚拟化行号：只渲染当前可视区域附近的行号 - function renderVirtualLineNumbers(totalLines) { - const lineHeight = getLineHeight(); - const scrollTop = editor.scrollTop; - const viewportHeight = editor.clientHeight; - const buffer = 20; // 上下缓冲行数 - - const startLine = Math.max(0, Math.floor(scrollTop / lineHeight) - buffer); - const endLine = Math.min(totalLines, Math.ceil((scrollTop + viewportHeight) / lineHeight) + buffer); - const visibleCount = endLine - startLine; - - // 顶部占位 - const topPadding = startLine * lineHeight; - // 底部占位 - const bottomPadding = (totalLines - endLine) * lineHeight; - - const arr = new Array(visibleCount + 2); - arr[0] = '
    '; - for (let i = 0; i < visibleCount; i++) { - arr[i + 1] = '
    ' + (startLine + i + 1) + '
    '; - } - arr[visibleCount + 1] = '
    '; - lineNumbers.innerHTML = arr.join(''); - } - - // ===== Cursor Position ===== - function updateCursorPosition() { - const text = editor.value; - const pos = editor.selectionStart; - const textBefore = text.substring(0, pos); - const lines = textBefore.split('\n'); - statusCursor.textContent = `行 ${lines.length}, 列 ${lines[lines.length - 1].length + 1}`; - } - - // ===== File Size ===== - function formatBytes(bytes) { - if (bytes < 1024) return bytes + ' B'; - if (bytes < 1024 * 1024) return (bytes / 1024).toFixed(1) + ' KB'; - return (bytes / (1024 * 1024)).toFixed(1) + ' MB'; - } - - function updateFileSize() { - const bytes = new Blob([editor.value]).size; - statusSize.textContent = formatBytes(bytes); - statusSizeDivider.classList.add('visible'); - } - - // ===== Scroll Sync ===== - let previewPositions = null; - let lineToPreviewMap = null; // 行号 → 预览像素位置的映射 - - function cachePreviewPositions() { - previewPositions = []; - for (let i = 0; i < preview.children.length; i++) { - previewPositions.push(preview.children[i].offsetTop); - } - // 构建行号→预览位置的映射表 - buildLineToPreviewMap(); - } - - // 通过分析原始 Markdown 文本，建立编辑器行号到预览 DOM 位置的映射 - function buildLineToPreviewMap() { - if (!previewPositions || previewPositions.length === 0) { - lineToPreviewMap = null; - return; - } - - const text = editor.value; - const lines = text.split('\n'); - const totalLines = lines.length; - - // 找出每个"块级元素"在编辑器中的起始行 - // 块级元素：标题、段落、代码块、列表、引用、表格、水平线 - const blockStartLines = []; - let inCodeBlock = false; - - for (let i = 0; i < totalLines; i++) { - const line = lines[i]; - const trimmed = line.trimStart(); - - // 围栏代码块边界 - if (trimmed.startsWith('```')) { - if (!inCodeBlock) { - blockStartLines.push(i); - inCodeBlock = true; - } else { - inCodeBlock = false; - } - continue; - } - - if (inCodeBlock) continue; - - // 块级元素起始行 - if ( - trimmed.startsWith('#') || // 标题 - trimmed.startsWith('- ') || // 无序列表 - trimmed.startsWith('* ') || // 无序列表 - trimmed.startsWith('+ ') || // 无序列表 - /^\d+\.\s/.test(trimmed) || // 有序列表 - trimmed.startsWith('> ') || // 引用 - trimmed.startsWith('|') || // 表格 - trimmed.startsWith('---') || // 水平线 - trimmed.startsWith('***') || // 水平线 - trimmed.startsWith('___') || // 水平线 - (trimmed === '' && i > 0 && lines[i - 1].trim() === '') // 连续空行=段落分隔 - ) { - blockStartLines.push(i); - } - } - - // 去重并排序 - const uniqueStartsArr = [...new Set(blockStartLines)].sort((a, b) => a - b); - const uniqueStartsSet = new Set(uniqueStartsArr); - - // 将编辑器行号映射到预览 DOM 位置 - // 每个块的起始行对应一个预览元素，用线性插值填充中间行 - lineToPreviewMap = new Float32Array(totalLines); - - if (uniqueStartsArr.length === 0) { - // 没有找到块边界，回退到线性映射 - for (let i = 0; i < totalLines; i++) { - lineToPreviewMap[i] = (i / Math.max(1, totalLines - 1)) * previewPositions[previewPositions.length - 1]; - } - return; - } - - // 将块起始行映射到预览 DOM 索引 - const domCount = previewPositions.length; - for (let i = 0; i < uniqueStartsArr.length; i++) { - const lineIdx = uniqueStartsArr[i]; - const domIdx = Math.min(Math.floor((i / uniqueStartsArr.length) * domCount), domCount - 1); - lineToPreviewMap[lineIdx] = previewPositions[domIdx]; - } - - // 线性插值填充所有行 - for (let i = 0; i < totalLines; i++) { - if (lineToPreviewMap[i] !== 0 && uniqueStartsSet.has(i)) continue; - - // 找到前后最近的已映射行 - let prevLine = -1, nextLine = -1; - for (let j = i - 1; j >= 0; j--) { - if (lineToPreviewMap[j] !== 0 || uniqueStartsSet.has(j)) { prevLine = j; break; } - } - for (let j = i + 1; j < totalLines; j++) { - if (lineToPreviewMap[j] !== 0 || uniqueStartsSet.has(j)) { nextLine = j; break; } - } - - if (prevLine === -1 && nextLine === -1) { - lineToPreviewMap[i] = 0; - } else if (prevLine === -1) { - lineToPreviewMap[i] = lineToPreviewMap[nextLine]; - } else if (nextLine === -1) { - lineToPreviewMap[i] = lineToPreviewMap[prevLine]; - } else { - // 线性插值 - const ratio = (i - prevLine) / (nextLine - prevLine); - lineToPreviewMap[i] = lineToPreviewMap[prevLine] + ratio * (lineToPreviewMap[nextLine] - lineToPreviewMap[prevLine]); - } - } - } - - function syncScroll() { - if (viewMode !== 'split') return; - const lineHeight = getLineHeight(); - const scrollTop = editor.scrollTop; - const topLine = Math.floor(scrollTop / lineHeight); - - if (!previewPositions || previewPositions.length === 0) cachePreviewPositions(); - if (!previewPositions || previewPositions.length === 0) return; - - // 使用行号→预览位置映射表 - if (lineToPreviewMap && topLine >= 0 && topLine < lineToPreviewMap.length) { - previewPanel.scrollTop = lineToPreviewMap[topLine]; - } else { - // fallback: 线性比例映射 - const totalLines = editor.value.split('\n').length; - const ratio = totalLines > 1 ? topLine / (totalLines - 1) : 0; - const targetIndex = Math.min(Math.floor(ratio * previewPositions.length), previewPositions.length - 1); - if (targetIndex >= 0 && previewPositions[targetIndex] !== undefined) { - previewPanel.scrollTop = previewPositions[targetIndex]; - } - } - } - - // ===== Schedule Update ===== - function scheduleUpdate() { - if (updateTimer) clearTimeout(updateTimer); - updateTimer = setTimeout(() => { - renderMarkdown(editor.value); - updateLineNumbers(); - updateFileSize(); - cachePreviewPositions(); - _cachedLineHeight = null; // 内容变化后重新测量行高 - }, 150); - } - - // ===== Helper ===== - function getFileName(filePath) { - return filePath.split(/[/\\]/).pop(); - } - - // ===== Tab UI ===== - function renderTabBar() { - tabList.innerHTML = ''; - for (const tab of tabs) { - const el = document.createElement('div'); - el.className = 'tab-item' + (tab.id === activeTabId ? ' active' : '') + (tab.isModified ? ' modified' : ''); - el.dataset.tabId = tab.id; - - const name = document.createElement('span'); - name.className = 'tab-name'; - name.textContent = tab.filePath ? getFileName(tab.filePath) : '未命名'; - el.appendChild(name); - - const close = document.createElement('button'); - close.className = 'tab-close'; - close.innerHTML = ''; - close.addEventListener('click', (e) => { - e.stopPropagation(); - closeTab(tab.id); - }); - el.appendChild(close); - - el.addEventListener('click', () => switchToTab(tab.id)); - tabList.appendChild(el); - } - } - - function updateTitle() { - const tab = getActiveTab(); - if (tab) { - const name = tab.filePath ? getFileName(tab.filePath) : '未命名'; - const mod = tab.isModified ? ' *' : ''; - document.title = `MarkLite - ${name}${mod}`; - statusText.textContent = name; - } else { - document.title = 'MarkLite'; - statusText.textContent = '就绪'; - } - } - - // ===== Sidebar Highlight ===== - // Update sidebar active highlight without re-rendering the entire tree - function updateSidebarHighlight() { - const tab = getActiveTab(); - const activePath = tab ? tab.filePath : null; - - // No folder open: manage independent files section - if (!currentRootPath) { - sidebarTree.innerHTML = ''; - const indepSection = renderIndependentFiles(); - if (indepSection) sidebarTree.appendChild(indepSection); - return; - } - - // Folder is open: re-render independent files section (files may have been added/removed) - const oldSection = sidebarTree.querySelector('.independent-files-section'); - const newSection = renderIndependentFiles(); - if (oldSection) oldSection.remove(); - if (newSection) sidebarTree.insertBefore(newSection, sidebarTree.firstChild); - - // Update folder tree items - const treeItems = sidebarTree.querySelectorAll('.tree-item:not(.independent-file-item)'); - treeItems.forEach(item => { - const itemPath = item.dataset.path; - if (itemPath) { - item.classList.toggle('active', itemPath === activePath); - } - }); - } - - // ===== Tab Operations ===== - function getActiveTab() { - return tabs.find(t => t.id === activeTabId) || null; - } - - function getTabIndex(tabId) { - return tabs.findIndex(t => t.id === tabId); - } - - // Save current editor state into the active tab - function saveCurrentTabState() { - const tab = getActiveTab(); - if (!tab) return; - tab.content = editor.value; - tab.scrollTop = editor.scrollTop; - tab.scrollLeft = editor.scrollLeft; - tab.selectionStart = editor.selectionStart; - tab.selectionEnd = editor.selectionEnd; - tab.previewScrollTop = previewPanel.scrollTop; - } - - // Load a tab's state into the editor - function loadTabState(tab) { - // 使用 execCommand('insertText') 替换内容，保留 undo/redo 历史 - // setRangeText 会清空 undo 栈，所以此处必须用 execCommand - _loadingTab = true; - editor.focus(); - editor.select(); - const inserted = document.execCommand('insertText', false, tab.content); - if (!inserted) { - // execCommand 被禁用时的 fallback（会丢失 undo 历史） - editor.value = tab.content; - } - lineCountCache = 0; - updateLineNumbers(); - renderMarkdown(tab.content); - updateFileSize(); - cachePreviewPositions(); - - // Restore scroll/selection on next frame - requestAnimationFrame(() => { - editor.scrollTop = tab.scrollTop; - editor.scrollLeft = tab.scrollLeft; - lineNumbers.scrollTop = tab.scrollTop; - editor.setSelectionRange(tab.selectionStart, tab.selectionEnd); - previewPanel.scrollTop = tab.previewScrollTop; - updateCursorPosition(); - }); - - // Update modified state - setModified(tab.isModified); - _loadingTab = false; - - // Notify main process about active file - if (typeof window.electronAPI !== 'undefined') { - window.electronAPI.tabSwitched(tab.filePath); - } - } - - function setModified(modified) { - const tab = getActiveTab(); - if (tab) { - tab.isModified = modified; - // Toggle class directly instead of rebuilding entire tab bar - const tabEl = tabList.querySelector(`.tab-item[data-tab-id="${tab.id}"]`); - if (tabEl) tabEl.classList.toggle('modified', modified); - } - updateTitle(); - } - - // Create a new tab and switch to it - function createNewTab(filePath, content) { - // Check if file is already open - if (filePath) { - const existing = tabs.find(t => t.filePath === filePath); - if (existing) { - switchToTab(existing.id); - return existing; - } - } - - const tab = createTab(filePath, content); - tabs.push(tab); - switchToTab(tab.id); - return tab; - } - - // Switch to a specific tab - function switchToTab(tabId) { - if (tabId === activeTabId) return; - - // Save current state - saveCurrentTabState(); - - // MRU: record previous tab before switching - if (activeTabId) { - mruTabStack = mruTabStack.filter(id => id !== activeTabId); - mruTabStack.unshift(activeTabId); - } - - // Switch - activeTabId = tabId; - const tab = getActiveTab(); - if (!tab) return; - - loadTabState(tab); - renderTabBar(); - updateTitle(); - updateSidebarHighlight(); - welcomeScreen.classList.add('hidden'); - } - - // Close a tab - function closeTab(tabId) { - const index = getTabIndex(tabId); - if (index === -1) return; - - const tab = tabs[index]; - - // If modified, confirm - if (tab.isModified) { - const name = tab.filePath ? getFileName(tab.filePath) : '未命名'; - if (!confirm(`"${name}" 尚未保存，确定要关闭吗？`)) return; - } - - // Remove tab - tabs.splice(index, 1); - // Clean MRU stack - mruTabStack = mruTabStack.filter(id => id !== tabId); - - // If we closed the active tab, switch to another - if (tabId === activeTabId) { - if (tabs.length === 0) { - // No tabs left - show welcome screen - activeTabId = null; - editor.value = ''; - preview.innerHTML = ''; - lineNumbers.innerHTML = ''; - lineCountCache = 0; - statusSize.textContent = ''; - statusSizeDivider.classList.remove('visible'); - welcomeScreen.classList.remove('hidden'); - document.title = 'MarkLite'; - statusText.textContent = '就绪'; - if (typeof window.electronAPI !== 'undefined') { - window.electronAPI.tabSwitched(null); - } - } else { - // Switch to nearest tab - const newIndex = Math.min(index, tabs.length - 1); - activeTabId = tabs[newIndex].id; - loadTabState(tabs[newIndex]); - } - } - - renderTabBar(); - updateTitle(); - updateSidebarHighlight(); - } - - // ===== File Size Limit ===== - const MAX_FILE_SIZE = 20 * 1024 * 1024; // 20MB - - // ===== File Operations ===== - async function handleOpenFile() { - if (typeof window.electronAPI !== 'undefined') { - const result = await window.electronAPI.openFile(); - if (result && !result.error) { - createNewTab(result.filePath, result.content); - } - } else { - const input = document.createElement('input'); - input.type = 'file'; - input.accept = '.md,.markdown,.txt'; - input.multiple = true; - input.onchange = (e) => { - Array.from(e.target.files).forEach(file => { - const ext = file.name.substring(file.name.lastIndexOf('.')).toLowerCase(); - if (!['.md', '.markdown', '.txt'].includes(ext)) return; - if (file.size > MAX_FILE_SIZE) { - alert(`"${file.name}" 过大（${formatBytes(file.size)}），暂不支持超过 20MB 的文件`); - return; - } - const reader = new FileReader(); - reader.onload = (ev) => { - createNewTab(file.name, ev.target.result); - }; - reader.readAsText(file); - }); - }; - input.click(); - } - } - - async function handleSave() { - const tab = getActiveTab(); - if (!tab) return; - - if (typeof window.electronAPI !== 'undefined') { - const result = await window.electronAPI.saveFile({ - filePath: tab.filePath, - content: editor.value - }); - if (result.success) { - tab.filePath = result.filePath; - tab.content = editor.value; - tab.isModified = false; - renderTabBar(); - updateTitle(); - updateSidebarHighlight(); - statusText.textContent = '已保存'; - setTimeout(() => updateTitle(), 2000); - } - } else { - const blob = new Blob([editor.value], { type: 'text/markdown' }); - const a = document.createElement('a'); - a.href = URL.createObjectURL(blob); - a.download = tab.filePath || 'untitled.md'; - a.click(); - setTimeout(() => URL.revokeObjectURL(a.href), 1000); - tab.isModified = false; - renderTabBar(); - updateTitle(); - } - } - - async function handleSaveAs() { - const tab = getActiveTab(); - if (!tab) return; - - if (typeof window.electronAPI !== 'undefined') { - const result = await window.electronAPI.saveFileAs({ content: editor.value }); - if (result.success) { - tab.filePath = result.filePath; - tab.content = editor.value; - tab.isModified = false; - renderTabBar(); - updateTitle(); - updateSidebarHighlight(); - statusText.textContent = '已保存'; - setTimeout(() => updateTitle(), 2000); - } - } else { - handleSave(); - } - } - - // ===== View Mode ===== - function setViewMode(mode) { - viewMode = mode; - const app = document.getElementById('app'); - app.classList.remove('mode-editor', 'mode-preview'); - btnSplit.classList.remove('active'); - btnEditor.classList.remove('active'); - btnPreview.classList.remove('active'); - - switch (mode) { - case 'split': - btnSplit.classList.add('active'); - break; - case 'editor': - btnEditor.classList.add('active'); - app.classList.add('mode-editor'); - break; - case 'preview': - btnPreview.classList.add('active'); - app.classList.add('mode-preview'); - renderMarkdown(editor.value); - break; - } - saveSetting('viewMode', mode); - } - - // ===== Resizer ===== - let isResizing = false; - - function initResizer() { - const settings = loadSettings(); - if (settings.splitRatio) { - editorPanel.style.flex = `0 0 ${settings.splitRatio}%`; - previewPanel.style.flex = `0 0 ${100 - settings.splitRatio}%`; - } - - resizer.addEventListener('mousedown', (e) => { - isResizing = true; - resizer.classList.add('active'); - document.body.style.cursor = 'col-resize'; - document.body.style.userSelect = 'none'; - e.preventDefault(); - }); - - document.addEventListener('mousemove', (e) => { - if (!isResizing) return; - const rect = contentWrapper.getBoundingClientRect(); - const pct = Math.max(20, Math.min(80, ((e.clientX - rect.left) / rect.width) * 100)); - editorPanel.style.flex = `0 0 ${pct}%`; - previewPanel.style.flex = `0 0 ${100 - pct}%`; - saveSetting('splitRatio', pct); - }); - - document.addEventListener('mouseup', () => { - if (isResizing) { - isResizing = false; - resizer.classList.remove('active'); - document.body.style.cursor = ''; - document.body.style.userSelect = ''; - } - }); - } - - // ===== Drag & Drop ===== - function initDragDrop() { - let dragCounter = 0; - - document.addEventListener('dragenter', (e) => { - e.preventDefault(); - e.stopPropagation(); - dragCounter++; - dropOverlay.classList.remove('hidden'); - }); - - document.addEventListener('dragleave', (e) => { - e.preventDefault(); - e.stopPropagation(); - dragCounter--; - if (dragCounter === 0) dropOverlay.classList.add('hidden'); - }); - - document.addEventListener('dragover', (e) => { - e.preventDefault(); - e.stopPropagation(); - }); - - document.addEventListener('drop', async (e) => { - e.preventDefault(); - e.stopPropagation(); - dragCounter = 0; - dropOverlay.classList.add('hidden'); - - const files = e.dataTransfer.files; - const allowedExts = ['.md', '.markdown', '.txt']; - let rejected = 0; - for (const file of files) { - const filePath = file.path; - const ext = filePath ? filePath.substring(filePath.lastIndexOf('.')).toLowerCase() : ''; - if (!allowedExts.includes(ext)) { rejected++; continue; } - // Electron 主进程已有文件大小检查，此处为浏览器模式兜底 - if (file.size > MAX_FILE_SIZE) { - showToast(`"${file.name}" 过大（${formatBytes(file.size)}），暂不支持超过 20MB 的文件`); - continue; - } - if (filePath && typeof window.electronAPI !== 'undefined') { - const result = await window.electronAPI.readFile(filePath); - if (result.success) { - createNewTab(filePath, result.content); - } - } else { - const reader = new FileReader(); - reader.onload = (ev) => createNewTab(file.name, ev.target.result); - reader.readAsText(file); - } - } - if (rejected > 0) { - showToast(`仅支持 .md / .markdown / .txt 文件，已忽略 ${rejected} 个文件`); - } - }); - } - - // ===== Keyboard Shortcuts ===== - function initKeyboard() { - document.addEventListener('keydown', (e) => { - if (e.ctrlKey && e.key === 'o') { e.preventDefault(); handleOpenFile(); } - if (e.ctrlKey && e.key === 's' && !e.shiftKey) { e.preventDefault(); handleSave(); } - if (e.ctrlKey && e.shiftKey && e.key === 'S') { e.preventDefault(); handleSaveAs(); } - if (e.ctrlKey && e.key === '1') { e.preventDefault(); setViewMode('split'); } - if (e.ctrlKey && e.key === '2') { e.preventDefault(); setViewMode('editor'); } - if (e.ctrlKey && e.key === '3') { e.preventDefault(); setViewMode('preview'); } - if (e.ctrlKey && e.key === 't') { e.preventDefault(); createNewTab(null, ''); } - if (e.ctrlKey && e.key === 'w') { e.preventDefault(); if (activeTabId) closeTab(activeTabId); } - // Ctrl+Tab / Ctrl+Shift+Tab to cycle tabs (MRU order) - if (e.ctrlKey && e.key === 'Tab') { - e.preventDefault(); - if (tabs.length > 1) { - if (e.shiftKey) { - // Ctrl+Shift+Tab: go back in MRU history - if (mruTabStack.length > 0) { - const targetId = mruTabStack.shift(); - // Verify target still exists - if (tabs.find(t => t.id === targetId)) { - switchToTab(targetId); - } - } - } else { - // Ctrl+Tab: forward in MRU (just switch to next in array as fallback) - const idx = getTabIndex(activeTabId); - const next = (idx + 1) % tabs.length; - switchToTab(tabs[next].id); - } - } - } - // Search & Replace - if (e.ctrlKey && e.key === 'f') { e.preventDefault(); openSearch(false); } - if (e.ctrlKey && e.key === 'h') { e.preventDefault(); openSearch(true); } - if (e.key === 'Escape' && !searchBar.classList.contains('hidden')) { e.preventDefault(); closeSearch(); } - if (e.key === 'Enter' && document.activeElement === searchInput) { - e.preventDefault(); - e.shiftKey ? findPrev() : findNext(); - } - if (e.altKey && e.key === 'c') { e.preventDefault(); toggleSearchOption('case'); } - if (e.altKey && e.key === 'r') { e.preventDefault(); toggleSearchOption('regex'); } - if (e.ctrlKey && e.shiftKey && e.key === 'H') { e.preventDefault(); replaceAll(); } - if (e.ctrlKey && e.shiftKey && e.key === 'G') { e.preventDefault(); replaceCurrent(); } - }); - } - - // ===== Tab key support ===== - function initEditorTab() { - editor.addEventListener('keydown', (e) => { - if (e.key === 'Tab') { - e.preventDefault(); - // setRangeText 是标准 API，execCommand 已废弃但能保留 undo 历史 - const start = editor.selectionStart; - const end = editor.selectionEnd; - if (start !== end) { - // 多行选区：批量缩进 - const lines = editor.value.substring(start, end).split('\n'); - const indented = lines.map(line => ' ' + line).join('\n'); - editor.setRangeText(indented, start, end, 'end'); - } else { - // 单光标：插入 4 空格 - editor.setRangeText(' ', start, end, 'end'); - } - scheduleUpdate(); - } - }); - } - - // ===== External File Modification ===== - function initFileWatch() { - if (typeof window.electronAPI === 'undefined') return; - - window.electronAPI.onExternalModification((filePath) => { - // Only show banner if the modified file is the active tab - const tab = getActiveTab(); - if (tab && tab.filePath === filePath) { - modifiedBanner.classList.remove('hidden'); - } - }); - - btnReload.addEventListener('click', async () => { - const tab = getActiveTab(); - if (!tab || !tab.filePath) return; - const result = await window.electronAPI.reloadFile(); - if (result.success) { - _loadingTab = true; - editor.value = result.content; - _loadingTab = false; - tab.content = result.content; - tab.isModified = false; - setModified(false); - lineCountCache = 0; - updateLineNumbers(); - renderMarkdown(result.content); - updateCursorPosition(); - updateFileSize(); - cachePreviewPositions(); - renderTabBar(); - updateTitle(); - } - modifiedBanner.classList.add('hidden'); - }); - - btnDismiss.addEventListener('click', () => { - modifiedBanner.classList.add('hidden'); - }); - } - - // ===== Unsaved Changes Warning ===== - function initUnsavedWarning() { - const hasUnsaved = () => tabs.some(t => t.isModified); - - if (typeof window.electronAPI === 'undefined') { - window.addEventListener('beforeunload', (e) => { - if (hasUnsaved()) { e.preventDefault(); e.returnValue = ''; } - }); - return; - } - - window.electronAPI.onConfirmClose(() => { - if (!hasUnsaved()) { - window.electronAPI.forceClose(); - return; - } - const shouldClose = confirm('有文件尚未保存，确定要关闭吗？'); - if (shouldClose) { - window.electronAPI.forceClose(); - } else { - window.electronAPI.cancelClose(); - } - }); - } - - // ===== Event Listeners ===== - function initEventListeners() { - editor.addEventListener('input', () => { - if (_loadingTab) { scheduleUpdate(); return; } // 加载中不标记修改 - const tab = getActiveTab(); - if (tab) { - tab.isModified = true; - setModified(true); - } - scheduleUpdate(); - }); - - editor.addEventListener('scroll', () => { - syncScroll(); - // 行号跟随编辑器滚动 - lineNumbers.scrollTop = editor.scrollTop; - // 大文件滚动时重新渲染虚拟行号 - if (lineCountCache > 2000) { - renderVirtualLineNumbers(lineCountCache); - } - // 搜索高亮跟随编辑器滚动更新位置 - if (searchHighlightsOverlay) { - searchHighlightsOverlay.style.top = -editor.scrollTop + 'px'; - } - }); - editor.addEventListener('click', updateCursorPosition); - editor.addEventListener('keyup', updateCursorPosition); - editor.addEventListener('select', updateCursorPosition); - - btnOpen.addEventListener('click', handleOpenFile); - btnSave.addEventListener('click', handleSave); - btnSplit.addEventListener('click', () => setViewMode('split')); - btnEditor.addEventListener('click', () => setViewMode('editor')); - btnPreview.addEventListener('click', () => setViewMode('preview')); - btnNewTab.addEventListener('click', () => createNewTab(null, '')); - - btnWelcomeOpen.addEventListener('click', handleOpenFile); - btnWelcomeNew.addEventListener('click', () => createNewTab(null, '')); - - if (typeof window.electronAPI !== 'undefined') { - // Remove old listeners first to prevent stacking - window.electronAPI.removeAllListeners('file:openInTab'); - window.electronAPI.removeAllListeners('menu:save'); - window.electronAPI.removeAllListeners('menu:saveAs'); - window.electronAPI.removeAllListeners('menu:viewMode'); - - // Main process sends file to open in a new tab - window.electronAPI.onFileOpenInTab((data) => { - createNewTab(data.filePath, data.content); - }); - - window.electronAPI.onMenuSave(() => handleSave()); - window.electronAPI.onMenuSaveAs(() => handleSaveAs()); - window.electronAPI.onViewModeChange((mode) => setViewMode(mode)); - } - } - - // ===== Search & Replace ===== - function openSearch(showReplace) { - searchBar.classList.remove('hidden'); - replaceRow.classList.toggle('hidden', !showReplace); - btnToggleReplace.classList.toggle('expanded', showReplace); - searchInput.focus(); - // Pre-fill with selected text - const selected = editor.value.substring(editor.selectionStart, editor.selectionEnd); - if (selected && !selected.includes('\n')) { - searchInput.value = selected; - } - doSearch(); - } - - function closeSearch() { - searchBar.classList.add('hidden'); - replaceRow.classList.add('hidden'); - btnToggleReplace.classList.remove('expanded'); - clearHighlights(); - searchMatches = []; - searchIndex = -1; - searchCount.textContent = ''; - editor.focus(); - } - - function toggleSearchOption(type) { - if (type === 'case') { - searchCaseSensitive = !searchCaseSensitive; - btnCase.classList.toggle('active', searchCaseSensitive); - } else { - searchUseRegex = !searchUseRegex; - btnRegex.classList.toggle('active', searchUseRegex); - } - doSearch(); - } - - function doSearch() { - clearHighlights(); - const text = searchInput.value; - if (!text) { - searchMatches = []; - searchIndex = -1; - searchCount.textContent = ''; - return; - } - searchMatches = findMatches(text); - if (searchMatches.length > 0) { - // Find the match closest to cursor - const cursor = editor.selectionStart; - searchIndex = searchMatches.findIndex(m => m.start >= cursor); - if (searchIndex === -1) searchIndex = 0; - scrollToMatch(searchIndex); - } else { - searchIndex = -1; - } - searchCount.textContent = searchMatches.length > 0 - ? `${searchIndex + 1}/${searchMatches.length}` - : '无结果'; - highlightMatches(); - } - - function findMatches(text) { - const content = editor.value; - const matches = []; - if (searchUseRegex) { - try { - const flags = searchCaseSensitive ? 'g' : 'gi'; - const regex = new RegExp(text, flags); - let m; - while ((m = regex.exec(content)) !== null) { - matches.push({ start: m.index, end: m.index + m[0].length }); - if (m[0].length === 0) regex.lastIndex++; - } - } catch { /* invalid regex */ } - } else { - const haystack = searchCaseSensitive ? content : content.toLowerCase(); - const needle = searchCaseSensitive ? text : text.toLowerCase(); - let idx = 0; - while ((idx = haystack.indexOf(needle, idx)) !== -1) { - matches.push({ start: idx, end: idx + needle.length }); - idx += needle.length; - } - } - return matches; - } - - // ===== Search Highlight Cache ===== - let cachedLineStarts = null; - let cachedLineStartsContent = null; - - // 二分查找：返回 pos 所在行号（O(log N) 替代原来的线性扫描 O(N)） - function getLineNumber(pos) { - if (!cachedLineStarts) return 0; - let lo = 0, hi = cachedLineStarts.length - 1; - while (lo < hi) { - const mid = (lo + hi + 1) >> 1; - if (cachedLineStarts[mid] <= pos) lo = mid; else hi = mid - 1; - } - return lo; - } - - function highlightMatches() { - clearHighlights(); - if (searchMatches.length === 0) return; - - const content = editor.value; - const lineHeight = getLineHeight(); - const editorStyle = getComputedStyle(editor); - const paddingTop = parseFloat(editorStyle.paddingTop); - const paddingLeft = parseFloat(editorStyle.paddingLeft); - - // 缓存 lineStarts：内容未变时跳过重建（O(N) → O(1)） - if (cachedLineStartsContent !== content) { - cachedLineStarts = [0]; - for (let i = 0; i < content.length; i++) { - if (content.charCodeAt(i) === 10) cachedLineStarts.push(i + 1); - } - cachedLineStartsContent = content; - } - const lineStarts = cachedLineStarts; - - function posToXY(pos) { - const line = getLineNumber(pos); - const col = pos - lineStarts[line]; - return { - top: line * lineHeight + paddingTop, - left: col * getCharWidth() + paddingLeft - }; - } - - const overlay = document.createElement('div'); - overlay.id = 'search-highlights'; - overlay.style.cssText = `position:absolute;top:${-editor.scrollTop}px;left:0;right:0;height:${editor.scrollHeight}px;pointer-events:none;overflow:visible;z-index:1;`; - const wrapper = document.getElementById('editor-wrapper'); - wrapper.style.position = 'relative'; - wrapper.appendChild(overlay); - searchHighlightsOverlay = overlay; - - for (let i = 0; i < searchMatches.length; i++) { - const m = searchMatches[i]; - const startPos = posToXY(m.start); - const endPos = posToXY(m.end); - const isCurrent = i === searchIndex; - const div = document.createElement('div'); - div.className = 'search-hl' + (isCurrent ? ' current' : ''); - div.style.cssText = `position:absolute;top:${startPos.top}px;left:${startPos.left}px;height:${lineHeight}px;width:${Math.max(endPos.left - startPos.left, 8)}px;`; - overlay.appendChild(div); - } - } - - function clearHighlights() { - const old = document.getElementById('search-highlights'); - if (old) old.remove(); - searchHighlightsOverlay = null; - } - - function scrollToMatch(index) { - if (index < 0 || index >= searchMatches.length) return; - searchIndex = index; - const m = searchMatches[index]; - editor.setSelectionRange(m.start, m.end); - // 复用缓存的 lineStarts + 二分查找（替代逐字符 O(N) 扫描） - const lineHeight = getLineHeight(); - if (!cachedLineStarts) { - const content = editor.value; - cachedLineStarts = [0]; - for (let i = 0; i < content.length; i++) { - if (content.charCodeAt(i) === 10) cachedLineStarts.push(i + 1); - } - cachedLineStartsContent = content; - } - const line = getLineNumber(m.start); - const matchTop = line * lineHeight; - const viewTop = editor.scrollTop; - const viewBottom = viewTop + editor.clientHeight; - if (matchTop < viewTop + 40 || matchTop > viewBottom - 40) { - editor.scrollTop = matchTop - editor.clientHeight / 2; - } - searchCount.textContent = `${index + 1}/${searchMatches.length}`; - highlightMatches(); - } - - function findNext() { - if (searchMatches.length === 0) return; - scrollToMatch((searchIndex + 1) % searchMatches.length); - } - - function findPrev() { - if (searchMatches.length === 0) return; - scrollToMatch((searchIndex - 1 + searchMatches.length) % searchMatches.length); - } - - function replaceCurrent() { - if (searchMatches.length === 0 || searchIndex < 0) return; - const m = searchMatches[searchIndex]; - const replacement = replaceInput.value; - // Use execCommand to preserve undo history - editor.setSelectionRange(m.start, m.end); - document.execCommand('insertText', false, replacement); - // Re-run search - doSearch(); - } - - function replaceAll() { - if (searchMatches.length === 0) return; - const replacement = replaceInput.value; - const content = editor.value; - // 拼接替换后的完整内容 - let newContent = ''; - let lastEnd = 0; - for (let i = searchMatches.length - 1; i >= 0; i--) { - newContent = content.substring(lastEnd, searchMatches[i].start) + replacement + newContent; - lastEnd = searchMatches[i].end; - } - newContent = content.substring(0, searchMatches[0].start) + newContent + content.substring(searchMatches[searchMatches.length - 1].end); - // 使用 select + execCommand 实现：一次原子操作进 undo 栈 - // Ctrl+Z 可一次性撤销全部替换 - editor.focus(); - editor.select(); - document.execCommand('insertText', false, newContent); - doSearch(); - } - - // ===== Sidebar (File Tree) ===== - function initSidebar() { - const settings = loadSettings(); - if (settings.sidebarCollapsed) sidebar.classList.add('collapsed'); - if (settings.sidebarWidth) { - sidebar.style.width = settings.sidebarWidth + 'px'; - } - - // Sidebar resize handle (#10) - const handle = document.createElement('div'); - handle.className = 'sidebar-resize-handle'; - sidebar.appendChild(handle); - let isSidebarResizing = false; - handle.addEventListener('mousedown', (e) => { - isSidebarResizing = true; - document.body.style.cursor = 'col-resize'; - document.body.style.userSelect = 'none'; - e.preventDefault(); - }); - document.addEventListener('mousemove', (e) => { - if (!isSidebarResizing) return; - const newWidth = Math.max(180, Math.min(500, e.clientX)); - sidebar.style.width = newWidth + 'px'; - saveSetting('sidebarWidth', newWidth); - }); - document.addEventListener('mouseup', () => { - if (isSidebarResizing) { - isSidebarResizing = false; - document.body.style.cursor = ''; - document.body.style.userSelect = ''; - } - }); - - btnOpenFolder.addEventListener('click', openFolder); - if (typeof window.electronAPI !== 'undefined') { - let dirRefreshTimer = null; - window.electronAPI.onDirChanged(() => { - if (!currentRootPath) return; - if (dirRefreshTimer) clearTimeout(dirRefreshTimer); - dirRefreshTimer = setTimeout(() => refreshTree(), 300); - }); - } - } - - async function openFolder() { - if (typeof window.electronAPI === 'undefined') return; - openFolderDialog(); - } - - async function openFolderDialog() { - if (typeof window.electronAPI !== 'undefined' && window.electronAPI.openFolderDialog) { - const result = await window.electronAPI.openFolderDialog(); - if (result) { - loadFolder(result); - } - } - } - - async function loadFolder(dirPath) { - if (typeof window.electronAPI === 'undefined') return; - currentRootPath = dirPath; - const result = await window.electronAPI.readDirTree(dirPath); - if (result.success) { - renderTree(result.tree, dirPath); - sidebar.classList.remove('collapsed'); - window.electronAPI.watchDir(dirPath); - } - } - - async function refreshTree() { - if (!currentRootPath) return; - const result = await window.electronAPI.readDirTree(currentRootPath); - if (result.success) { - renderTree(result.tree, currentRootPath); - } - } - - // Track expanded state - const expandedDirs = new Set(); - - function renderTree(tree, rootPath) { - sidebarTree.innerHTML = ''; - const rootNode = { name: getFileName(rootPath) || rootPath, path: rootPath, type: 'dir', children: tree }; - expandedDirs.add(rootPath); - const fragment = document.createDocumentFragment(); - buildTreeDOM(fragment, rootNode, 0); - sidebarTree.appendChild(fragment); - } - - function buildTreeDOM(parent, node, depth) { - const item = document.createElement('div'); - item.className = 'tree-item'; - item.style.paddingLeft = (8 + depth * 16) + 'px'; - - if (node.type === 'dir') { - const isExpanded = expandedDirs.has(node.path); - const arrow = document.createElement('span'); - arrow.className = 'tree-arrow' + (isExpanded ? ' expanded' : ''); - arrow.innerHTML = ''; - item.appendChild(arrow); - - const icon = document.createElement('span'); - icon.className = 'tree-icon'; - icon.innerHTML = ''; - item.appendChild(icon); - - const name = document.createElement('span'); - name.className = 'tree-name'; - name.textContent = node.name; - item.appendChild(name); - - parent.appendChild(item); - - if (isExpanded && node.children) { - for (const child of node.children) { - buildTreeDOM(parent, child, depth + 1); - } - } - - item.addEventListener('click', (e) => { - e.stopPropagation(); - if (expandedDirs.has(node.path)) { - expandedDirs.delete(node.path); - } else { - expandedDirs.add(node.path); - } - renderTree(getTreeData(), currentRootPath); - }); - } else { - // Spacer for alignment (no arrow) - const spacer = document.createElement('span'); - spacer.style.width = '16px'; - spacer.style.flexShrink = '0'; - item.appendChild(spacer); - - const icon = document.createElement('span'); - icon.className = 'tree-icon'; - icon.innerHTML = ''; - item.appendChild(icon); - - const name = document.createElement('span'); - name.className = 'tree-name'; - name.textContent = node.name; - item.appendChild(name); - - // Highlight if this file is open in active tab - const tab = getActiveTab(); - if (tab && tab.filePath === node.path) { - item.classList.add('active'); - } - item.dataset.path = node.path; - - parent.appendChild(item); - - item.addEventListener('click', async (e) => { - e.stopPropagation(); - // Check if already open - const existing = tabs.find(t => t.filePath === node.path); - if (existing) { - switchToTab(existing.id); - } else { - if (typeof window.electronAPI !== 'undefined') { - const result = await window.electronAPI.readFile(node.path); - if (result.success) { - createNewTab(node.path, result.content); - } - } - } - }); - } - } - - // Cache the last tree data for re-render - let lastTreeData = null; - - function getTreeData() { - return lastTreeData || []; - } - - // Build list of open files that are NOT inside currentRootPath - function getIndependentFiles() { - if (!tabs.length) return []; - return tabs.filter(t => { - if (!t.filePath) return false; // skip unnamed tabs - if (!currentRootPath) return true; // no folder open → all files are "independent" - // Check if file is inside the current root path - return !t.filePath.startsWith(currentRootPath); - }); - } - - function renderIndependentFiles() { - const files = getIndependentFiles(); - if (files.length === 0) return null; - - const section = document.createElement('div'); - section.className = 'independent-files-section'; - - const header = document.createElement('div'); - header.className = 'independent-files-header'; - header.textContent = '已打开的文件'; - section.appendChild(header); - - for (const tab of files) { - const item = document.createElement('div'); - item.className = 'tree-item independent-file-item'; - item.style.paddingLeft = '8px'; - item.dataset.path = tab.filePath; - - const icon = document.createElement('span'); - icon.className = 'tree-icon'; - icon.innerHTML = ''; - item.appendChild(icon); - - const name = document.createElement('span'); - name.className = 'tree-name'; - name.textContent = getFileName(tab.filePath); - item.appendChild(name); - - // Mark as modified - if (tab.isModified) { - const dot = document.createElement('span'); - dot.className = 'independent-modified-dot'; - dot.textContent = ' •'; - item.appendChild(dot); - } - - // Highlight if active - if (tab.id === activeTabId) { - item.classList.add('active'); - } - - item.addEventListener('click', (e) => { - e.stopPropagation(); - switchToTab(tab.id); - }); - - section.appendChild(item); - } - return section; - } - - // Override renderTree to cache data, add header, and prepend independent files - const _originalRenderTree = renderTree; - renderTree = function(tree, rootPath) { - lastTreeData = tree; - _originalRenderTree(tree, rootPath); - // Add folder tree header - const folderHeader = document.createElement('div'); - folderHeader.className = 'sidebar-section-header'; - folderHeader.textContent = '文件夹目录树'; - sidebarTree.insertBefore(folderHeader, sidebarTree.firstChild); - // Prepend independent files section - const indepSection = renderIndependentFiles(); - if (indepSection) { - sidebarTree.insertBefore(indepSection, sidebarTree.firstChild); - } - }; - - // ===== Search Bar Init ===== - function initSearchBar() { - searchInput.addEventListener('input', doSearch); - btnToggleReplace.addEventListener('click', () => { - const isVisible = !replaceRow.classList.contains('hidden'); - replaceRow.classList.toggle('hidden'); - btnToggleReplace.classList.toggle('expanded', !isVisible); - if (!isVisible) replaceInput.focus(); - }); - btnCase.addEventListener('click', () => toggleSearchOption('case')); - btnRegex.addEventListener('click', () => toggleSearchOption('regex')); - btnNext.addEventListener('click', findNext); - btnPrev.addEventListener('click', findPrev); - btnSearchClose.addEventListener('click', closeSearch); - btnReplace.addEventListener('click', replaceCurrent); - btnReplaceAll.addEventListener('click', replaceAll); - } - - // ===== Initialize ===== - function init() { - initMarked(); - initDarkMode(); - initResizer(); - initDragDrop(); - initKeyboard(); - initEditorTab(); - initPreviewLinks(); - initEventListeners(); - initFileWatch(); - initUnsavedWarning(); - initSidebar(); - initSearchBar(); - - const settings = loadSettings(); - setViewMode(settings.viewMode || 'split'); - } - - if (document.readyState === 'loading') { - document.addEventListener('DOMContentLoaded', init); - } else { - init(); - } -})(); diff --git a/renderer/style.css b/renderer/style.css deleted file mode 100644 index 0de275d..0000000 --- a/renderer/style.css +++ /dev/null @@ -1,1119 +0,0 @@ -/* ===== Reset & Base ===== */ -* { - margin: 0; - padding: 0; - box-sizing: border-box; -} - -:root { - --primary: #1a73e8; - --primary-light: #e8f0fe; - --primary-dark: #1557b0; - --bg: #ffffff; - --bg-secondary: #f8f9fa; - --bg-tertiary: #f1f3f4; - --text: #333333; - --text-secondary: #5f6368; - --text-tertiary: #9aa0a6; - --border: #e1e4e8; - --border-light: #f0f0f0; - --code-bg: #f6f8fa; - --shadow: 0 1px 3px rgba(0, 0, 0, 0.08); - --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.1); - --radius: 6px; - --toolbar-height: 44px; - --statusbar-height: 28px; - --sidebar-width: 240px; - --sidebar-bg: var(--bg-secondary); - --sidebar-border: var(--border); - --sidebar-hover: var(--bg-tertiary); - --sidebar-active: var(--primary-light); - --search-bg: var(--bg-secondary); - --search-border: var(--border); - --font-ui: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; - --font-mono: "Cascadia Code", "Fira Code", "JetBrains Mono", Consolas, "Courier New", monospace; -} - -/* ===== Dark Theme ===== */ -:root.dark { - --primary: #8ab4f8; - --primary-light: #1a3a5c; - --primary-dark: #aecbfa; - --bg: #1e1e1e; - --bg-secondary: #252526; - --bg-tertiary: #2d2d2d; - --text: #d4d4d4; - --text-secondary: #9e9e9e; - --text-tertiary: #6e6e6e; - --border: #3e3e3e; - --border-light: #333333; - --code-bg: #2d2d2d; - --shadow: 0 1px 3px rgba(0, 0, 0, 0.3); - --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.4); -} - -html, body { - height: 100%; - font-family: var(--font-ui); - font-size: 14px; - color: var(--text); - background: var(--bg); - overflow: hidden; - user-select: none; -} - -#app { - display: flex; - flex-direction: column; - height: 100vh; -} - -/* ===== Toolbar ===== */ -#toolbar { - height: var(--toolbar-height); - background: var(--bg); - border-bottom: 1px solid var(--border); - display: flex; - align-items: center; - justify-content: space-between; - padding: 0 8px; - flex-shrink: 0; - z-index: 10; -} - -.toolbar-left, -.toolbar-right { - display: flex; - align-items: center; - gap: 2px; -} - -.toolbar-btn { - display: flex; - align-items: center; - gap: 5px; - padding: 6px 12px; - border: none; - background: transparent; - color: var(--text-secondary); - font-size: 13px; - font-family: var(--font-ui); - border-radius: var(--radius); - cursor: pointer; - transition: all 0.15s ease; - white-space: nowrap; -} - -.toolbar-btn:hover { - background: var(--bg-tertiary); - color: var(--text); -} - -.toolbar-btn.active { - background: var(--primary-light); - color: var(--primary); -} - -.toolbar-btn svg { - flex-shrink: 0; -} - -.toolbar-divider { - width: 1px; - height: 24px; - background: var(--border); - margin: 0 6px; -} - -/* ===== Modified Banner ===== */ -#modified-banner { - display: flex; - align-items: center; - gap: 12px; - padding: 6px 12px; - background: #fff3cd; - border-bottom: 1px solid #ffc107; - font-size: 13px; - color: #856404; - flex-shrink: 0; -} - -:root.dark #modified-banner { - background: #3a3000; - border-bottom-color: #665500; - color: #ffd54f; -} - -#modified-banner.hidden { - display: none; -} - -.banner-btn { - padding: 2px 10px; - border: 1px solid #ffc107; - border-radius: 4px; - background: transparent; - color: #856404; - font-size: 12px; - cursor: pointer; - font-family: var(--font-ui); -} - -:root.dark .banner-btn { - border-color: #665500; - color: #ffd54f; -} - -.banner-btn:hover { - background: #ffc107; - color: #000; -} - -:root.dark .banner-btn:hover { - background: #665500; - color: #fff; -} - -/* ===== Tab Bar ===== */ -#tab-bar { - height: 36px; - background: var(--bg-secondary); - border-bottom: 1px solid var(--border); - display: flex; - align-items: flex-end; - padding: 0 4px; - flex-shrink: 0; - overflow-x: auto; - overflow-y: hidden; -} - -#tab-bar::-webkit-scrollbar { - height: 0; -} - -#tab-list { - display: flex; - align-items: flex-end; - gap: 1px; - flex: 1; - min-width: 0; - overflow-x: auto; - overflow-y: hidden; -} - -#tab-list::-webkit-scrollbar { - height: 0; -} - -.tab-item { - display: flex; - align-items: center; - gap: 6px; - padding: 6px 12px; - background: transparent; - border: none; - border-bottom: 2px solid transparent; - color: var(--text-secondary); - font-size: 12px; - font-family: var(--font-ui); - cursor: pointer; - white-space: nowrap; - max-width: 180px; - min-width: 60px; - flex-shrink: 0; - transition: all 0.15s ease; - position: relative; -} - -.tab-item:hover { - color: var(--text); - background: var(--bg-tertiary); -} - -.tab-item.active { - color: var(--text); - background: var(--bg); - border-bottom-color: var(--primary); -} - -.tab-item.modified .tab-name::after { - content: ' •'; - color: var(--primary); -} - -.tab-name { - overflow: hidden; - text-overflow: ellipsis; - pointer-events: none; -} - -.tab-close { - display: flex; - align-items: center; - justify-content: center; - width: 16px; - height: 16px; - border: none; - background: transparent; - color: var(--text-tertiary); - border-radius: 3px; - cursor: pointer; - flex-shrink: 0; - padding: 0; - opacity: 0; - transition: all 0.1s ease; -} - -.tab-item:hover .tab-close, -.tab-item.active .tab-close { - opacity: 1; -} - -.tab-close:hover { - background: var(--border); - color: var(--text); -} - -.tab-add-btn { - display: flex; - align-items: center; - justify-content: center; - width: 28px; - height: 28px; - border: none; - background: transparent; - color: var(--text-secondary); - border-radius: var(--radius); - cursor: pointer; - margin-left: 2px; - margin-bottom: 4px; - flex-shrink: 0; - transition: all 0.15s ease; -} - -.tab-add-btn:hover { - background: var(--bg-tertiary); - color: var(--text); -} - -/* ===== Main Content ===== */ -#workspace { - flex: 1; - display: flex; - flex-direction: row; - overflow: hidden; - min-height: 0; -} - -#main-content { - flex: 1; - display: flex; - flex-direction: column; - overflow: hidden; - position: relative; - min-width: 0; -} - -#content-wrapper { - flex: 1; - display: flex; - flex-direction: row; - overflow: hidden; - min-height: 0; -} - -/* ===== Editor Panel ===== */ -#editor-panel { - flex: 1; - display: flex; - flex-direction: column; - min-width: 0; - border-right: 1px solid var(--border); -} - -#editor-wrapper { - flex: 1; - display: flex; - overflow: hidden; - position: relative; -} - -#line-numbers { - width: 50px; - background: var(--bg-secondary); - border-right: 1px solid var(--border-light); - padding: 12px 0; - text-align: right; - font-family: var(--font-mono); - font-size: 13px; - line-height: 1.6; - color: var(--text-tertiary); - overflow: hidden; - user-select: none; - flex-shrink: 0; -} - -#line-numbers .line-num { - padding-right: 12px; - height: 20.8px; -} - -#editor { - flex: 1; - width: 100%; - padding: 12px 16px; - border: none; - outline: none; - resize: none; - font-family: var(--font-mono); - font-size: 13px; - line-height: 1.6; - color: var(--text); - background: var(--bg); - tab-size: 4; - overflow-y: auto; - user-select: text; -} - -#editor::placeholder { - color: var(--text-tertiary); -} - -/* ===== Resizer ===== */ -#resizer { - width: 4px; - background: var(--border); - cursor: col-resize; - transition: background 0.15s ease; - flex-shrink: 0; -} - -#resizer:hover, -#resizer.active { - background: var(--primary); -} - -/* ===== Preview Panel ===== */ -#preview-panel { - flex: 1; - overflow-y: auto; - min-width: 0; - background: var(--bg); -} - -#preview { - padding: 24px 32px; - max-width: 900px; - margin: 0 auto; - user-select: text; - cursor: text; -} - -/* ===== Markdown Body Styles ===== */ -.markdown-body { - font-family: var(--font-ui); - font-size: 15px; - line-height: 1.7; - color: var(--text); - word-wrap: break-word; -} - -.markdown-body h1, -.markdown-body h2, -.markdown-body h3, -.markdown-body h4, -.markdown-body h5, -.markdown-body h6 { - margin-top: 24px; - margin-bottom: 16px; - font-weight: 600; - line-height: 1.25; - color: var(--text); -} - -.markdown-body h1 { - font-size: 2em; - padding-bottom: 0.3em; - border-bottom: 1px solid var(--border); -} - -.markdown-body h2 { - font-size: 1.5em; - padding-bottom: 0.3em; - border-bottom: 1px solid var(--border-light); -} - -.markdown-body h3 { font-size: 1.25em; } -.markdown-body h4 { font-size: 1em; } -.markdown-body h5 { font-size: 0.875em; } -.markdown-body h6 { font-size: 0.85em; color: var(--text-secondary); } - -.markdown-body p { - margin-top: 0; - margin-bottom: 16px; -} - -.markdown-body a { - color: var(--primary); - text-decoration: none; - cursor: pointer; -} - -.markdown-body a:hover { - text-decoration: underline; -} - -.markdown-body strong { font-weight: 600; } - -.markdown-body img { - max-width: 100%; - height: auto; - border-radius: var(--radius); - margin: 8px 0; -} - -.markdown-body hr { - height: 2px; - background: var(--border); - border: none; - margin: 24px 0; - border-radius: 1px; -} - -.markdown-body blockquote { - margin: 0 0 16px 0; - padding: 4px 16px; - border-left: 4px solid var(--primary); - color: var(--text-secondary); - background: var(--bg-secondary); - border-radius: 0 var(--radius) var(--radius) 0; -} - -.markdown-body blockquote p:last-child { - margin-bottom: 0; -} - -.markdown-body ul, -.markdown-body ol { - margin-top: 0; - margin-bottom: 16px; - padding-left: 2em; -} - -.markdown-body li { - margin-top: 4px; -} - -.markdown-body li + li { - margin-top: 4px; -} - -.markdown-body code { - font-family: var(--font-mono); - font-size: 0.9em; - background: var(--code-bg); - padding: 2px 6px; - border-radius: 4px; - color: #e83e8c; -} - -:root.dark .markdown-body code { - color: #f48fb1; -} - -.markdown-body pre { - margin-top: 0; - margin-bottom: 16px; - padding: 16px; - background: var(--code-bg); - border-radius: var(--radius); - overflow-x: auto; - border: 1px solid var(--border-light); -} - -.markdown-body pre code { - padding: 0; - background: transparent; - color: inherit; - font-size: 13px; - line-height: 1.5; -} - -.markdown-body table { - border-collapse: collapse; - width: 100%; - margin-bottom: 16px; - overflow-x: auto; - display: block; -} - -.markdown-body table th, -.markdown-body table td { - padding: 8px 16px; - border: 1px solid var(--border); - text-align: left; -} - -.markdown-body table th { - font-weight: 600; - background: var(--bg-secondary); -} - -.markdown-body table tr:nth-child(even) { - background: var(--bg-secondary); -} - -.markdown-body input[type="checkbox"] { - margin-right: 6px; - accent-color: var(--primary); -} - -/* ===== Status Bar ===== */ -#statusbar { - height: var(--statusbar-height); - background: var(--bg-secondary); - border-top: 1px solid var(--border); - display: flex; - align-items: center; - justify-content: space-between; - padding: 0 12px; - font-size: 12px; - color: var(--text-secondary); - flex-shrink: 0; -} - -.status-left, -.status-right { - display: flex; - align-items: center; - gap: 8px; -} - -.status-divider { - color: var(--border); -} - -.status-size-divider { - display: none; -} - -.status-size-divider.visible { - display: inline; -} - -/* ===== Drop Overlay ===== */ -#drop-overlay { - position: fixed; - top: 0; - left: 0; - right: 0; - bottom: 0; - background: rgba(26, 115, 232, 0.1); - backdrop-filter: blur(4px); - display: flex; - align-items: center; - justify-content: center; - z-index: 1000; - border: 3px dashed var(--primary); - margin: 8px; - border-radius: 12px; -} - -#drop-overlay.hidden { - display: none; -} - -.drop-content { - text-align: center; - color: var(--primary); -} - -.drop-content svg { - margin-bottom: 12px; - opacity: 0.7; -} - -.drop-content p { - font-size: 18px; - font-weight: 500; -} - -/* ===== Welcome Screen ===== */ -#welcome-screen { - position: absolute; - top: 0; - left: 0; - right: 0; - bottom: 0; - display: flex; - align-items: center; - justify-content: center; - background: var(--bg); - z-index: 5; -} - -#welcome-screen.hidden { - display: none; -} - -.welcome-content { - text-align: center; - max-width: 480px; - padding: 40px; -} - -.welcome-icon { - margin-bottom: 24px; -} - -.welcome-content h1 { - font-size: 28px; - font-weight: 600; - color: var(--text); - margin-bottom: 8px; -} - -.welcome-content > p { - font-size: 16px; - color: var(--text-secondary); - margin-bottom: 32px; -} - -.welcome-actions { - display: flex; - gap: 12px; - justify-content: center; - margin-bottom: 32px; -} - -.welcome-btn { - display: flex; - align-items: center; - gap: 8px; - padding: 10px 24px; - border: none; - border-radius: var(--radius); - font-size: 14px; - font-family: var(--font-ui); - font-weight: 500; - cursor: pointer; - transition: all 0.15s ease; -} - -.welcome-btn.primary { - background: var(--primary); - color: white; -} - -.welcome-btn.primary:hover { - background: var(--primary-dark); - box-shadow: var(--shadow-lg); -} - -.welcome-btn.secondary { - background: var(--bg-secondary); - color: var(--text); - border: 1px solid var(--border); -} - -.welcome-btn.secondary:hover { - background: var(--bg-tertiary); -} - -.welcome-tips { - text-align: left; - background: var(--bg-secondary); - border-radius: var(--radius); - padding: 16px 20px; - border: 1px solid var(--border-light); -} - -.welcome-tips p { - font-size: 13px; - color: var(--text-secondary); - margin-bottom: 6px; -} - -.welcome-tips p:last-child { - margin-bottom: 0; -} - -/* ===== Sidebar ===== */ -#sidebar { - width: var(--sidebar-width); - min-width: 180px; - max-width: 500px; - background: var(--sidebar-bg); - border-right: 1px solid var(--sidebar-border); - display: flex; - flex-direction: column; - flex-shrink: 0; - overflow: hidden; - user-select: none; - position: relative; -} - -#sidebar.collapsed { - display: none; -} - -#sidebar-header { - display: flex; - align-items: center; - justify-content: space-between; - padding: 8px 12px; - border-bottom: 1px solid var(--sidebar-border); - flex-shrink: 0; -} - -#sidebar-title { - font-size: 12px; - font-weight: 600; - color: var(--text-secondary); - text-transform: uppercase; - letter-spacing: 0.5px; -} - -.sidebar-header-btn { - display: flex; - align-items: center; - justify-content: center; - width: 24px; - height: 24px; - border: none; - background: transparent; - color: var(--text-secondary); - border-radius: 4px; - cursor: pointer; - transition: all 0.15s ease; -} - -.sidebar-header-btn:hover { - background: var(--sidebar-hover); - color: var(--text); -} - -#sidebar-tree { - flex: 1; - overflow-y: auto; - overflow-x: hidden; - padding: 4px 0; -} - -.tree-item { - display: flex; - align-items: center; - padding: 3px 8px 3px 0; - cursor: pointer; - font-size: 13px; - color: var(--text); - white-space: nowrap; - transition: background 0.1s ease; - border-radius: 0; -} - -.tree-item:hover { - background: var(--sidebar-hover); -} - -.tree-item.active { - background: var(--sidebar-active); - color: var(--primary); - font-weight: 500; -} - -.tree-indent { - flex-shrink: 0; -} - -.tree-arrow { - display: flex; - align-items: center; - justify-content: center; - width: 16px; - height: 16px; - flex-shrink: 0; - color: var(--text-tertiary); - transition: transform 0.15s ease; -} - -.tree-arrow.expanded { - transform: rotate(90deg); -} - -.tree-icon { - display: flex; - align-items: center; - justify-content: center; - width: 16px; - height: 16px; - flex-shrink: 0; - margin-right: 4px; -} - -.tree-icon svg { - width: 14px; - height: 14px; -} - -.tree-name { - overflow: hidden; - text-overflow: ellipsis; -} - -/* ===== Independent Files Section ===== */ -.independent-files-section { - border-bottom: 1px solid var(--border); - margin-bottom: 4px; - padding-bottom: 4px; -} - -/* ===== Sidebar Section Headers ===== */ -.sidebar-section-header, -.independent-files-header { - font-size: 11px; - font-weight: 600; - color: var(--text-tertiary); - text-transform: uppercase; - letter-spacing: 0.5px; - padding: 8px 12px 4px 12px; -} - -.independent-file-item .independent-modified-dot { - color: var(--primary); - font-size: 14px; - margin-left: 4px; -} - -/* ===== Search & Replace Bar ===== */ -#btn-toggle-replace { - font-size: 10px; - transition: transform 0.15s ease; -} - -#btn-toggle-replace.expanded { - transform: rotate(90deg); -} - -#search-bar { - background: var(--search-bg); - border-bottom: 1px solid var(--search-border); - padding: 6px 10px; - flex-shrink: 0; -} - -#search-bar.hidden { - display: none; -} - -.search-row, -#replace-row { - display: flex; - align-items: center; - gap: 4px; -} - -#replace-row { - margin-top: 4px; -} - -#replace-row.hidden { - display: none; -} - -#search-input, -#replace-input { - flex: 1; - min-width: 0; - height: 26px; - padding: 0 8px; - border: 1px solid var(--border); - border-radius: 4px; - background: var(--bg); - color: var(--text); - font-size: 13px; - font-family: var(--font-ui); - outline: none; - transition: border-color 0.15s ease; -} - -#search-input:focus, -#replace-input:focus { - border-color: var(--primary); -} - -#search-count { - font-size: 11px; - color: var(--text-tertiary); - white-space: nowrap; - min-width: 40px; - text-align: center; -} - -.search-opt-btn { - display: flex; - align-items: center; - justify-content: center; - min-width: 26px; - height: 26px; - padding: 0 4px; - border: 1px solid var(--border); - border-radius: 4px; - background: transparent; - color: var(--text-secondary); - font-size: 11px; - font-weight: 600; - font-family: var(--font-mono); - cursor: pointer; - transition: all 0.15s ease; -} - -.search-opt-btn:hover { - background: var(--bg-tertiary); -} - -.search-opt-btn.active { - background: var(--primary-light); - color: var(--primary); - border-color: var(--primary); -} - -.search-nav-btn { - display: flex; - align-items: center; - justify-content: center; - width: 26px; - height: 26px; - border: none; - background: transparent; - color: var(--text-secondary); - border-radius: 4px; - cursor: pointer; - font-size: 14px; - transition: all 0.15s ease; -} - -.search-nav-btn:hover { - background: var(--bg-tertiary); - color: var(--text); -} - -.replace-btn { - height: 26px; - padding: 0 10px; - border: 1px solid var(--border); - border-radius: 4px; - background: transparent; - color: var(--text-secondary); - font-size: 12px; - font-family: var(--font-ui); - cursor: pointer; - white-space: nowrap; - transition: all 0.15s ease; -} - -.replace-btn:hover { - background: var(--bg-tertiary); - color: var(--text); -} - -/* ===== Search Highlight Overlays ===== */ -.search-hl { - background: rgba(255, 220, 0, 0.35); - border-radius: 2px; -} - -.search-hl.current { - background: rgba(255, 150, 0, 0.55); -} - -:root.dark .search-hl { - background: rgba(255, 220, 0, 0.25); -} - -:root.dark .search-hl.current { - background: rgba(255, 150, 0, 0.4); -} - -/* ===== View Modes ===== */ -#app.mode-editor #preview-panel, -#app.mode-editor #resizer { - display: none; -} - -#app.mode-preview #editor-panel, -#app.mode-preview #resizer { - display: none; -} - -/* ===== Scrollbar ===== */ -::-webkit-scrollbar { - width: 8px; - height: 8px; -} - -::-webkit-scrollbar-track { - background: transparent; -} - -::-webkit-scrollbar-thumb { - background: var(--border); - border-radius: 4px; -} - -::-webkit-scrollbar-thumb:hover { - background: var(--text-tertiary); -} - -/* ===== Animations ===== */ -@keyframes fadeIn { - from { opacity: 0; transform: translateY(8px); } - to { opacity: 1; transform: translateY(0); } -} - -.welcome-content { - animation: fadeIn 0.3s ease; -} - -/* ===== Toast Notification ===== */ -#toast-notification { - position: fixed; - bottom: 40px; - left: 50%; - transform: translateX(-50%) translateY(20px); - background: var(--text); - color: var(--bg); - padding: 8px 20px; - border-radius: 6px; - font-size: 13px; - font-family: var(--font-ui); - box-shadow: var(--shadow-lg); - opacity: 0; - pointer-events: none; - transition: opacity 0.3s ease, transform 0.3s ease; - z-index: 9999; - max-width: 480px; - text-align: center; -} - -#toast-notification.show { - opacity: 1; - transform: translateX(-50%) translateY(0); - pointer-events: auto; -} - -/* ===== Sidebar Resize Handle ===== */ -.sidebar-resize-handle { - position: absolute; - top: 0; - right: -2px; - width: 4px; - height: 100%; - cursor: col-resize; - z-index: 5; -} - -.sidebar-resize-handle:hover, -.sidebar-resize-handle:active { - background: var(--primary); -}