1648 lines
60 KiB
JavaScript
1648 lines
60 KiB
JavaScript
import * as api from './api.js';
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import { AUTH_EVENT } from './api.js';
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import {
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DEFAULT_SETTINGS,
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IDE_SETTINGS_KEY,
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accountsTable,
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cellText,
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changeCount,
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changeEntries,
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changeKey,
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changesSql,
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clampSetting,
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closeTab,
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createEmptyChangeSet,
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creatableTypes,
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deleteKey,
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editText,
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escapeHtml,
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fontFamilyValue,
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fontsFromText,
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fontsToText,
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highlightHtml,
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insertKey,
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matchesFilter,
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openQueryTab,
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openSettingsTab,
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openTableTab,
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parseEdited,
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parseUiSettings,
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settingLabels,
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toCommitPayload,
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typeLabel,
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} from './core.js';
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// ChuSQL Web IDE 主逻辑：状态、渲染、事件代理与会话/数据/变更动作。
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// ---------------------------------------------------------------- 状态
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const state = {
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view: 'loading', // loading | login | workbench
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session: null,
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databases: [],
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database: '',
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tables: [],
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expanded: new Set(),
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tabs: [],
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activeId: undefined,
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changes: createEmptyChangeSet(),
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insertSeq: 0,
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messages: [],
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tabSeq: 0,
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settings: { ...DEFAULT_SETTINGS },
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serverSettings: null,
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bottomTab: 'changes',
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status: '',
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loading: false,
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sidebarWidth: 250,
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dockHeight: '22vh',
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};
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const root = document.getElementById('root');
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// ---------------------------------------------------------------- 小工具
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// 按 id 取 DOM 元素。
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function region(id) {
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return document.getElementById(id);
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}
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// 当前时间（时分秒）。
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function now() {
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return new Date().toLocaleTimeString('zh-CN', { hour12: false });
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}
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// 记一条消息并刷新下方面板。
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function log(level, text) {
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state.messages.push({ level, text, time: now() });
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if (state.messages.length > 200) state.messages.shift();
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renderBottom();
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}
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// 设置状态栏文案。
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function setStatus(text) {
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state.status = text;
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const el = region('status-message');
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if (el) el.textContent = text;
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}
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// 取错误的文字描述。
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function describe(error) {
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return error instanceof Error ? error.message : String(error);
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}
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// 记录错误并写到状态栏。
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function fail(error) {
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const message = describe(error);
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log('error', message);
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setStatus(message);
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return message;
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}
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// 生成下一个标签 id。
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function nextTabId(prefix) {
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state.tabSeq += 1;
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return `${prefix}-${state.tabSeq}`;
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}
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// 当前激活的标签。
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function activeTab() {
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return state.tabs.find((tab) => tab.id === state.activeId);
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}
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// ---------------------------------------------------------------- 登录页
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// 渲染登录页。
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function renderLogin(message, level) {
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state.view = 'login';
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root.innerHTML = `
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<div class="auth-view">
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<form class="auth-card" id="login-form">
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<header><span class="brand-mark">ChuSQL</span><h1>数据库终端</h1></header>
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<label><span>账号</span><input id="login-user" name="user" autocomplete="username" autofocus /></label>
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<label><span>口令</span><input id="login-password" name="password" type="password" autocomplete="current-password" /></label>
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<p class="auth-hint">配置里口令留空时，管理员直接留空口令登录。</p>
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${message ? `<p class="alert alert-${level ?? 'error'}">${escapeHtml(message)}</p>` : ''}
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<button type="submit" class="primary"${state.loading ? ' disabled' : ''}>${state.loading ? '登录中…' : '登录'}</button>
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</form>
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</div>`;
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}
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// ---------------------------------------------------------------- 页面骨架
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// 渲染工作台骨架与对话框。
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function renderShell() {
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state.view = 'workbench';
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root.innerHTML = `
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<div class="workbench" id="workbench">
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<header class="titlebar">
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<div class="brand"><span class="brand-mark">ChuSQL</span><span class="brand-name">数据库终端</span></div>
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<nav class="titlebar-actions">
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<button data-action="new-query" title="新建查询">新建查询</button>
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<button data-action="demo-data" title="灌一份演示数据">演示数据</button>
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<button data-action="refresh" title="重新加载当前库">刷新</button>
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<button data-action="settings" title="IDE 与服务器设置">设置</button>
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</nav>
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<div class="account" id="account"></div>
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</header>
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<div class="activitybar">
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<button data-action="focus-explorer" title="资源管理器">▤</button>
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<button data-action="settings" title="设置">⚙</button>
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</div>
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<aside class="sidebar" id="sidebar"></aside>
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<main class="editor" id="editor"></main>
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<section class="bottom" id="bottom"></section>
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<footer class="statusbar">
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<span id="status-database"></span>
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<span id="status-message"></span>
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<span class="flex-spacer"></span>
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<span id="status-changes"></span>
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</footer>
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<button class="splitter-v" data-split="v" title="调整侧栏宽度"></button>
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<button class="splitter-h" data-split="h" title="调整下方面板高度"></button>
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</div>
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<dialog id="dlg-db" class="dialog">
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<div class="dialog-body">
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<header class="dialog-header"><h2>新建数据库</h2></header>
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<div class="dialog-content">
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<label class="field"><span>数据库名</span><input id="dlg-db-name" placeholder="字母或下划线开头" /></label>
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<p class="alert" id="dlg-db-error"></p>
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</div>
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<footer class="dialog-footer">
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<button type="button" data-action="close-dialog">取消</button>
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<button type="button" class="primary" data-action="create-database">创建</button>
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</footer>
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</div>
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</dialog>
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<dialog id="dlg-table" class="dialog">
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<div class="dialog-body">
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<header class="dialog-header"><h2>新建表</h2></header>
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<div class="dialog-content">
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<label class="field"><span>表名</span><input id="dlg-table-name" placeholder="字母或下划线开头" /></label>
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<div class="field"><span>列</span><div id="dlg-table-columns" class="column-rows"></div></div>
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<button type="button" class="plain" data-action="add-column">＋ 增加一列</button>
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<p class="alert" id="dlg-table-error"></p>
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</div>
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<footer class="dialog-footer">
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<button type="button" data-action="close-dialog">取消</button>
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<button type="button" class="primary" data-action="create-table">创建</button>
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</footer>
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</div>
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</dialog>
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<dialog id="dlg-index" class="dialog">
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<div class="dialog-body">
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<header class="dialog-header"><h2>建索引</h2></header>
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<div class="dialog-content">
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<label class="field"><span>列</span><select id="dlg-index-column"></select></label>
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<p class="alert" id="dlg-index-error"></p>
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</div>
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<footer class="dialog-footer">
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<button type="button" data-action="close-dialog">取消</button>
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<button type="button" class="primary" data-action="create-index">创建</button>
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</footer>
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</div>
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</dialog>`;
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renderAccount();
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applyLayout();
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}
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// 应用侧栏宽度与下方面板高度。
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function applyLayout() {
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const workbench = region('workbench');
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if (!workbench) return;
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workbench.style.setProperty('--sidebar-width', `${state.sidebarWidth}px`);
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workbench.style.setProperty('--dock-height', state.dockHeight);
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}
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// ---------------------------------------------------------------- 账号区
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// 渲染右上角账号区。
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function renderAccount() {
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const el = region('account');
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if (!el) return;
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if (!state.session) {
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el.innerHTML = '';
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return;
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}
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const title = state.session.administrator ? '管理员' : '普通账号';
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const badge = state.session.administrator ? ' · 管理员' : '';
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el.innerHTML = `<span class="account-name" title="${title}">${escapeHtml(state.session.user)}${badge}</span>
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<button data-action="logout">退出</button>`;
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}
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// ---------------------------------------------------------------- 侧栏
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// 渲染资源管理器侧栏。
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function renderSidebar() {
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const el = region('sidebar');
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if (!el) return;
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const options = state.databases
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.map((name) => `<option value="${escapeHtml(name)}"${name === state.database ? ' selected' : ''}>${escapeHtml(name)}</option>`)
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.join('');
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const databaseOptions = state.database ? options : `<option value="" selected>（未选择）</option>${options}`;
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const rows = state.tables.map((table) => {
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const open = state.expanded.has(table.name);
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const hasId = table.columns.some((column) => column.name === 'id');
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const columns = table.columns.map((column) => {
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const marks = [
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column.primaryKey || column.name === 'id' ? '<span class="mark-pk" title="主键">PK</span>' : '',
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column.indexed ? '<span class="mark-ix" title="有索引">IX</span>' : '',
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column.nullable ? '' : '<span class="mark-nn" title="非空">NN</span>',
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].join('');
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const drop = column.name === 'id'
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? ''
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: `<button class="mini danger" data-action="drop-column" data-table="${escapeHtml(table.name)}" data-column="${escapeHtml(column.name)}" title="删除列">✕</button>`;
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return `<li><span class="col-name">${escapeHtml(column.name)}</span>
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<span class="col-type">${escapeHtml(typeLabel(column.type))}</span>
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<span class="col-marks">${marks}</span>${drop}</li>`;
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}).join('');
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const own = (table.indexes ?? []).filter((index) => !index.builtIn && index.column !== 'id');
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const indexList = own.length
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? `<ul class="index-list">${own.map((index) => `<li><span>索引 ${escapeHtml(index.column)}</span>
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<button class="mini danger" data-action="drop-index" data-table="${escapeHtml(table.name)}" data-column="${escapeHtml(index.column)}" title="删除索引">✕</button></li>`).join('')}</ul>`
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: '';
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return `<li class="tree-table">
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<div class="tree-row">
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<button class="mini toggle" data-action="expand-table" data-table="${escapeHtml(table.name)}" title="${open ? '收起' : '展开'}">${open ? '▾' : '▸'}</button>
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<button class="tree-label" data-action="open-table" data-table="${escapeHtml(table.name)}" title="${escapeHtml(table.name)}">${escapeHtml(table.name)}</button>
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<small>${table.rowCount}</small>
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${hasId ? '' : '<small class="warn" title="没有 id 列，无法编辑或删除">只读</small>'}
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<button class="mini danger" data-action="drop-table" data-table="${escapeHtml(table.name)}" title="删除表">✕</button>
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</div>
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${open ? `<ul class="column-list">${columns}</ul>${indexList}
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<div class="tree-actions"><button class="mini" data-action="open-index-dialog" data-table="${escapeHtml(table.name)}">＋ 索引</button></div>` : ''}
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</li>`;
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}).join('');
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const count = changeCount(state.changes);
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el.innerHTML = `
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<h2>资源管理器</h2>
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<section class="side-section">
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<div class="side-title">数据库</div>
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<div class="side-row">
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<select id="database-select" data-action="switch-database">${databaseOptions}</select>
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<button class="mini" data-action="open-db-dialog" title="新建数据库">＋</button>
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<button class="mini danger" data-action="drop-database" title="删除当前数据库">✕</button>
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</div>
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</section>
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<section class="side-section">
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<div class="side-title">表<span class="side-actions">
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<button class="mini" data-action="open-table-dialog" title="新建表">＋</button>
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<button class="mini" data-action="refresh" title="刷新">⟳</button>
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</span></div>
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${state.tables.length ? `<ul class="table-list">${rows}</ul>` : `<p class="muted">${state.database ? '这个库还没有表。' : '未选择数据库。'}</p>`}
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</section>
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<section class="side-section">
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<div class="side-title">变更</div>
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<div class="side-row">
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<button data-action="commit"${count ? '' : ' disabled'}>提交 ${count}</button>
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<button data-action="rollback"${count ? '' : ' disabled'}>撤销</button>
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</div>
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</section>`;
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}
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// ---------------------------------------------------------------- 标签栏
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// 渲染标签栏并刷新内容区。
|
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function renderTabs() {
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const el = region('editor');
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if (!el) return;
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const tabs = state.tabs.map((tab) => `
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<span class="tab${tab.id === state.activeId ? ' tab-active' : ''}">
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<button class="tab-label" data-action="activate-tab" data-tab="${tab.id}" title="${escapeHtml(tab.title)}">${escapeHtml(tab.title)}</button>
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<button class="mini" data-action="close-tab" data-tab="${tab.id}" title="关闭">✕</button>
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</span>`).join('');
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el.innerHTML = `
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<div class="tabbar">${tabs || '<span class="muted tab-empty">没有打开的标签页</span>'}</div>
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<div class="tab-content" id="tab-content"></div>`;
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renderEditor();
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}
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// ---------------------------------------------------------------- 编辑器区
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// 渲染当前标签的内容。
|
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function renderEditor() {
|
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const el = region('tab-content');
|
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if (!el) return;
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const tab = activeTab();
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if (!tab) {
|
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el.innerHTML = `<div class="welcome"><div>
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<h1>ChuSQL 数据库终端</h1>
|
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<p>从左边选一张表，或者 <button class="link" data-action="new-query">新建查询</button>。</p>
|
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</div></div>`;
|
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return;
|
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}
|
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if (tab.kind === 'table') renderTableTab(el, tab);
|
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else if (tab.kind === 'sql') renderSqlTab(el, tab);
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else renderSettingsTab(el, tab);
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}
|
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|
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// ---- 表格标签
|
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// 单元格显示内容的 HTML。
|
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function cellContent(value, nullText) {
|
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if (value === null || value === undefined) return `<span class="null-value">${escapeHtml(nullText)}</span>`;
|
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return escapeHtml(cellText(value, nullText));
|
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}
|
||
|
||
// 渲染表格标签（工具栏、表头、数据行）。
|
||
function renderTableTab(el, tab) {
|
||
const data = tab.data;
|
||
if (!data) {
|
||
el.innerHTML = '<p class="notice">正在加载…</p>';
|
||
return;
|
||
}
|
||
if (data.error) {
|
||
el.innerHTML = `<p class="notice alert alert-error">${escapeHtml(data.error)}</p>`;
|
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return;
|
||
}
|
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const columns = data.columns;
|
||
const keyColumn = columns.find((column) => column.name === 'id');
|
||
const editable = Boolean(keyColumn);
|
||
const filters = data.filters ?? {};
|
||
const count = changeCount(state.changes);
|
||
|
||
const head = columns.map((column) => {
|
||
const arrow = data.sort === column.name ? (data.dir === 'desc' ? ' ▼' : ' ▲') : '';
|
||
return `<th><button class="column-head" data-action="sort-column" data-column="${escapeHtml(column.name)}" title="排序">${escapeHtml(column.name)}${arrow}</button>
|
||
<small>${escapeHtml(typeLabel(column.type))}</small></th>`;
|
||
}).join('');
|
||
|
||
const filterRow = columns.map((column) => `<th><input class="filter-input" data-action="filter-column" data-column="${escapeHtml(column.name)}" value="${escapeHtml(filters[column.name] ?? '')}" placeholder="筛选" /></th>`).join('');
|
||
|
||
const stagedInserts = [...state.changes.inserts.values()].filter((insert) => insert.table === tab.table && insert.database === tab.database);
|
||
|
||
const insertRows = stagedInserts.map((insert) => {
|
||
const cells = columns.map((column) => `<td class="inserted" data-action="edit-insert" data-temp="${escapeHtml(insert.tempId)}" data-column="${escapeHtml(column.name)}">${cellContent(insert.values[column.name], state.settings.nullText)}</td>`).join('');
|
||
return `<tr class="row-inserted">
|
||
<td class="row-number">＋</td>
|
||
<td class="select-cell"><button class="mini danger" data-action="unstage-insert" data-temp="${escapeHtml(insert.tempId)}" title="取消这一行">✕</button></td>
|
||
${cells}</tr>`;
|
||
}).join('');
|
||
|
||
const body = data.rows.map((row, index) => {
|
||
const pk = keyColumn ? row[keyColumn.name] : undefined;
|
||
const removed = keyColumn ? state.changes.deletes.has(deleteKey(tab.table, pk)) : false;
|
||
const selected = tab.selected?.has(String(pk)) === true;
|
||
const cells = columns.map((column) => {
|
||
const staged = keyColumn ? state.changes.updates.get(changeKey(tab.table, pk, column.name)) : undefined;
|
||
const value = staged ? staged.newValue : row[column.name];
|
||
const action = editable ? ` data-action="edit-cell" data-pk="${escapeHtml(pk)}" data-column="${escapeHtml(column.name)}"` : '';
|
||
return `<td class="${staged ? 'dirty' : ''}"${action}>${cellContent(value, state.settings.nullText)}</td>`;
|
||
}).join('');
|
||
const checkbox = editable
|
||
? `<td class="select-cell"><input type="checkbox" data-action="select-row" data-pk="${escapeHtml(pk)}"${selected ? ' checked' : ''} /></td>`
|
||
: '<td class="select-cell"></td>';
|
||
return `<tr class="${removed ? 'row-deleted' : ''}">
|
||
<td class="row-number">${data.offset + index + 1}</td>
|
||
${checkbox}
|
||
${cells}</tr>`;
|
||
}).join('');
|
||
|
||
const pageCount = Math.max(1, Math.ceil(data.total / data.pageSize));
|
||
|
||
el.innerHTML = `
|
||
<div class="table-editor">
|
||
<div class="toolbar">
|
||
<button data-action="insert-row"${editable ? '' : ' disabled'}>＋ 新增行</button>
|
||
<button data-action="delete-selected"${editable && (tab.selected?.size ?? 0) ? '' : ' disabled'}>删除选中</button>
|
||
<span class="sep"></span>
|
||
<button class="primary" data-action="commit"${count ? '' : ' disabled'}>提交 (${count})</button>
|
||
<button data-action="rollback"${count ? '' : ' disabled'}>撤销</button>
|
||
<span class="sep"></span>
|
||
<button data-action="reload-table">刷新</button>
|
||
<span class="flex-spacer"></span>
|
||
<label class="inline">每页
|
||
<select data-action="change-page-size">
|
||
${[50, 100, 200, 500].map((size) => `<option value="${size}"${size === data.pageSize ? ' selected' : ''}>${size}</option>`).join('')}
|
||
</select>
|
||
</label>
|
||
<button data-action="prev-page"${data.page <= 0 ? ' disabled' : ''}>上一页</button>
|
||
<span class="page-info">第 ${data.page + 1} / ${pageCount} 页 · 共 ${data.total} 行</span>
|
||
<button data-action="next-page"${data.page + 1 >= pageCount ? ' disabled' : ''}>下一页</button>
|
||
</div>
|
||
<div class="grid-scroll">
|
||
<table class="data-grid">
|
||
<thead>
|
||
<tr><th class="row-number"></th><th class="select-cell"></th>${head}</tr>
|
||
<tr class="filter-row"><th class="row-number"></th><th class="select-cell"></th>${filterRow}</tr>
|
||
</thead>
|
||
<tbody>${insertRows}${body}</tbody>
|
||
</table>
|
||
${data.rows.length || stagedInserts.length ? '' : '<p class="empty">这张表没有数据。</p>'}
|
||
</div>
|
||
${data.loading ? '<div class="grid-loading">加载中…</div>' : ''}
|
||
${editable ? '' : '<p class="notice">这张表没有 id 列，只能浏览。</p>'}
|
||
</div>`;
|
||
}
|
||
|
||
// ---- SQL 标签
|
||
|
||
// 生成行号文本。
|
||
function lineNumbers(sql) {
|
||
const count = String(sql ?? '').split('\n').length;
|
||
return Array.from({ length: count }, (_, index) => index + 1).join('\n');
|
||
}
|
||
|
||
// 渲染 SQL 控制台标签。
|
||
function renderSqlTab(el, tab) {
|
||
const result = tab.result;
|
||
// 结果区 HTML。
|
||
const resultHtml = (() => {
|
||
if (!result) return '<p class="muted">按 Ctrl+Enter 运行，或点上面的"运行"。</p>';
|
||
if (result.type === 'error') return `<p class="alert alert-error">${escapeHtml(result.message ?? '执行失败')}</p>`;
|
||
if (result.type === 'affected') return `<p class="muted">影响 ${result.affected ?? 0} 行 · ${result.durationMs.toFixed(1)} ms</p>`;
|
||
const head = result.columns.map((column) => `<th>${escapeHtml(column)}</th>`).join('');
|
||
const body = result.rows
|
||
.map((row) => `<tr>${row.map((value) => `<td>${cellContent(value, state.settings.nullText)}</td>`).join('')}</tr>`)
|
||
.join('');
|
||
return `<div class="result-scroll"><table class="result-grid"><thead><tr>${head}</tr></thead><tbody>${body}</tbody></table></div>
|
||
<p class="muted">${result.rows.length} 行${result.truncated ? '（已截断）' : ''} · ${result.durationMs.toFixed(1)} ms</p>`;
|
||
})();
|
||
|
||
el.innerHTML = `
|
||
<div class="sql-console">
|
||
<div class="toolbar">
|
||
<button class="primary" data-action="run-sql">运行</button>
|
||
<button data-action="clear-sql">清空</button>
|
||
<span class="sep"></span>
|
||
<span class="muted">库 ${escapeHtml(tab.database ?? state.database)}</span>
|
||
</div>
|
||
<div class="sql-editor">
|
||
${state.settings.sqlLineNumbers ? `<pre class="sql-gutter" id="sql-gutter">${lineNumbers(tab.sql)}</pre>` : ''}
|
||
<div class="sql-layer">
|
||
<pre class="sql-highlight" id="sql-highlight" aria-hidden="true">${highlightHtml(tab.sql)}</pre>
|
||
<textarea class="sql-input" id="sql-input" spellcheck="false" wrap="off" placeholder="SELECT * FROM users">${escapeHtml(tab.sql)}</textarea>
|
||
</div>
|
||
${state.settings.minimap ? '<div class="sql-minimap" id="sql-minimap" title="缩略图"><div class="minimap-thumb"></div></div>' : ''}
|
||
</div>
|
||
<div class="sql-result" id="sql-result">${resultHtml}</div>
|
||
</div>`;
|
||
|
||
const textarea = region('sql-input');
|
||
const highlight = region('sql-highlight');
|
||
const gutter = region('sql-gutter');
|
||
const minimap = region('sql-minimap');
|
||
if (!textarea) return;
|
||
|
||
// 刷新高亮层与行号。
|
||
const refreshLayers = () => {
|
||
if (highlight) highlight.innerHTML = highlightHtml(tab.sql);
|
||
if (gutter) gutter.textContent = lineNumbers(tab.sql);
|
||
sync();
|
||
};
|
||
// 同步滚动位置与缩略图。
|
||
const sync = () => {
|
||
if (highlight) {
|
||
highlight.scrollTop = textarea.scrollTop;
|
||
highlight.scrollLeft = textarea.scrollLeft;
|
||
}
|
||
if (gutter) gutter.scrollTop = textarea.scrollTop;
|
||
if (minimap) {
|
||
const thumb = minimap.querySelector('.minimap-thumb');
|
||
if (!thumb) return;
|
||
const visible = Math.max(8, (textarea.clientHeight / Math.max(1, textarea.scrollHeight)) * 100);
|
||
const ratio = textarea.scrollHeight > textarea.clientHeight
|
||
? textarea.scrollTop / (textarea.scrollHeight - textarea.clientHeight)
|
||
: 0;
|
||
thumb.style.height = `${visible}%`;
|
||
thumb.style.top = `${Math.min(100 - visible, ratio * (100 - visible))}%`;
|
||
}
|
||
};
|
||
|
||
// 输入时更新 SQL 并刷新高亮。
|
||
textarea.addEventListener('input', () => {
|
||
tab.sql = textarea.value;
|
||
refreshLayers();
|
||
});
|
||
// 滚动时同步各层。
|
||
textarea.addEventListener('scroll', sync);
|
||
// Tab 缩进，Ctrl+Enter 运行。
|
||
textarea.addEventListener('keydown', (event) => {
|
||
if (event.key === 'Tab') {
|
||
event.preventDefault();
|
||
const spaces = ' '.repeat(state.settings.sqlTabSize);
|
||
const start = textarea.selectionStart;
|
||
const end = textarea.selectionEnd;
|
||
textarea.value = `${textarea.value.slice(0, start)}${spaces}${textarea.value.slice(end)}`;
|
||
textarea.selectionStart = start + spaces.length;
|
||
textarea.selectionEnd = start + spaces.length;
|
||
tab.sql = textarea.value;
|
||
refreshLayers();
|
||
}
|
||
if (event.key === 'Enter' && (event.ctrlKey || event.metaKey)) {
|
||
event.preventDefault();
|
||
void runSql(tab);
|
||
}
|
||
});
|
||
sync();
|
||
}
|
||
|
||
// ---- 设置标签
|
||
|
||
// 渲染设置标签页。
|
||
function renderSettingsTab(el) {
|
||
const settings = state.settings;
|
||
// 字体链输入框。
|
||
const fontField = (key) => `
|
||
<label class="field"><span>${escapeHtml(settingLabels[key])}</span>
|
||
<input data-setting="fonts" data-key="${key}" value="${escapeHtml(fontsToText(settings[key]))}" placeholder="字体名用逗号分隔" /></label>`;
|
||
// 数值输入框。
|
||
const numberField = (key) => `
|
||
<label class="field"><span>${escapeHtml(settingLabels[key])}</span>
|
||
<input type="number" data-setting="number" data-key="${key}" value="${settings[key]}" /></label>`;
|
||
// 布尔开关。
|
||
const boolField = (key) => `
|
||
<label class="toggle"><input type="checkbox" data-setting="boolean" data-key="${key}"${settings[key] ? ' checked' : ''} /><span>${escapeHtml(settingLabels[key])}</span></label>`;
|
||
|
||
// 服务器设置分组表单。
|
||
const serverHtml = (() => {
|
||
const server = state.serverSettings;
|
||
if (!server) return '<p class="muted">正在读取服务器设置…</p>';
|
||
if (!server.items.length) return `<p class="alert alert-error">${escapeHtml(server.error ?? '没有可显示的设置。')}</p>`;
|
||
const groups = [];
|
||
for (const item of server.items) {
|
||
let group = groups.find((entry) => entry.name === item.group);
|
||
if (!group) {
|
||
group = { name: item.group, items: [] };
|
||
groups.push(group);
|
||
}
|
||
group.items.push(item);
|
||
}
|
||
return groups.map((group) => `
|
||
<fieldset class="settings-group"><legend>${escapeHtml(group.name)}</legend>
|
||
${group.items.map((item) => `
|
||
<label class="field"><span>${escapeHtml(item.label)}${item.rootOnly ? ' <em>（管理员）</em>' : ''}</span>
|
||
<input data-server-setting="${escapeHtml(item.key)}" value="${escapeHtml(item.kind === 'secret' ? '' : item.value)}"${item.editable ? '' : ' disabled'} placeholder="${escapeHtml(item.default)}" />
|
||
<small class="muted">来源：${escapeHtml(item.source)}${item.restart ? ' · 需重启' : item.live ? ' · 立即生效' : ''}${item.locked ? ' · 文件锁定' : ''}</small>
|
||
</label>`).join('')}
|
||
</fieldset>`).join('');
|
||
})();
|
||
|
||
el.innerHTML = `
|
||
<div class="settings-view">
|
||
<header><h1>设置</h1><p class="muted">IDE 设置存在 chusql.ui.settings.json，服务器设置写回 chusql.toml 的 [web] 分区。</p></header>
|
||
<fieldset class="settings-group"><legend>界面</legend>
|
||
${fontField('uiFonts')}${numberField('uiFontSize')}
|
||
</fieldset>
|
||
<fieldset class="settings-group"><legend>数据表格</legend>
|
||
${fontField('gridFonts')}${numberField('gridFontSize')}${numberField('gridRowHeight')}${numberField('pageSize')}
|
||
<label class="field"><span>${escapeHtml(settingLabels.nullText)}</span>
|
||
<input data-setting="text" data-key="nullText" value="${escapeHtml(settings.nullText)}" /></label>
|
||
</fieldset>
|
||
<fieldset class="settings-group"><legend>SQL 控制台</legend>
|
||
${fontField('sqlFonts')}${numberField('sqlFontSize')}${numberField('sqlLineHeight')}${numberField('sqlTabSize')}
|
||
${boolField('sqlLineNumbers')}${boolField('autocomplete')}${boolField('minimap')}
|
||
</fieldset>
|
||
<div class="preview" id="settings-preview">
|
||
<strong>预览</strong>
|
||
<div>SELECT * FROM users WHERE id = 1;</div>
|
||
</div>
|
||
<footer class="settings-footer"><button data-action="reset-settings">恢复默认</button></footer>
|
||
<section class="server-settings">${serverHtml}
|
||
<footer class="settings-footer">
|
||
<button class="primary" data-action="save-server-settings">保存服务器设置</button>
|
||
<span class="muted" id="server-settings-note"></span>
|
||
</footer>
|
||
</section>
|
||
</div>`;
|
||
|
||
const preview = region('settings-preview');
|
||
if (preview) {
|
||
preview.style.fontFamily = fontFamilyValue(settings.gridFonts);
|
||
preview.style.fontSize = `${settings.gridFontSize}px`;
|
||
preview.style.lineHeight = `${settings.gridRowHeight}px`;
|
||
}
|
||
}
|
||
|
||
// ---------------------------------------------------------------- 下方面板
|
||
|
||
// 渲染下方面板（变更/消息）。
|
||
function renderBottom() {
|
||
const el = region('bottom');
|
||
if (!el) return;
|
||
const count = changeCount(state.changes);
|
||
const entries = changeEntries(state.changes);
|
||
const preview = entries.map((entry) => entry.sql);
|
||
const changeList = entries.length
|
||
? `<ul class="change-list">${entries.map((entry) => `
|
||
<li>
|
||
<span class="change-table">${escapeHtml(entry.table)}</span>
|
||
<code title="${escapeHtml(entry.sql)}">${escapeHtml(entry.sql)}</code>
|
||
<button class="mini danger" data-action="unstage" data-key="${escapeHtml(entry.key)}" title="撤下这一条">✕</button>
|
||
</li>`).join('')}</ul>
|
||
<details class="sql-preview"><summary>预览生成的全部 SQL（${preview.length} 条）</summary>
|
||
<pre>${escapeHtml(preview.join('\n'))}</pre></details>`
|
||
: '<p class="muted">没有待提交的变更。编辑单元格、插入或删除行都会先记在这里。</p>';
|
||
const messages = state.messages.length
|
||
? `<ul class="message-list">${state.messages.slice(-100).map((message) => `
|
||
<li class="msg-${message.level}"><span class="msg-time">${escapeHtml(message.time)}</span>${escapeHtml(message.text)}</li>`).join('')}</ul>`
|
||
: '<p class="muted">还没有消息。</p>';
|
||
|
||
el.innerHTML = `
|
||
<div class="bottom-head">
|
||
<button class="${state.bottomTab === 'changes' ? 'active' : ''}" data-action="bottom-tab" data-tab="changes">待提交变更 (${count})</button>
|
||
<button class="${state.bottomTab === 'messages' ? 'active' : ''}" data-action="bottom-tab" data-tab="messages">消息 (${state.messages.length})</button>
|
||
<span class="flex-spacer"></span>
|
||
<button data-action="commit"${count ? '' : ' disabled'}>提交全部</button>
|
||
<button data-action="rollback"${count ? '' : ' disabled'}>撤销全部</button>
|
||
<button data-action="copy-sql"${count ? '' : ' disabled'}>复制 SQL</button>
|
||
</div>
|
||
<div class="bottom-body">${state.bottomTab === 'changes' ? changeList : messages}</div>`;
|
||
|
||
const dbEl = region('status-database');
|
||
if (dbEl) dbEl.textContent = state.database ? `库 ${state.database}` : '未选择数据库';
|
||
const changeEl = region('status-changes');
|
||
if (changeEl) changeEl.textContent = `待提交 ${count}`;
|
||
}
|
||
|
||
// ---------------------------------------------------------------- 数据加载
|
||
|
||
// 读取并缓存当前会话。
|
||
async function refreshSession() {
|
||
try {
|
||
state.session = await api.currentSession();
|
||
return true;
|
||
} catch {
|
||
state.session = null;
|
||
return false;
|
||
}
|
||
}
|
||
|
||
// 加载数据库列表与当前库的表。
|
||
async function loadWorkspace() {
|
||
try {
|
||
state.databases = await api.listDatabases();
|
||
if (!state.databases.includes(state.database)) {
|
||
// 没有默认库：优先留在原来的库，否则挑第一个非系统库，一个都没有就空着
|
||
state.database = state.databases.filter((name) => name !== 'system')[0] ?? '';
|
||
}
|
||
state.tables = state.database ? await api.listTables(state.database) : [];
|
||
renderSidebar();
|
||
renderBottom();
|
||
setStatus(state.database ? `已加载 ${state.tables.length} 张表` : '未选择数据库：选一个库，或新建一个');
|
||
} catch (error) {
|
||
fail(error);
|
||
}
|
||
}
|
||
|
||
// 切换当前数据库。
|
||
async function switchDatabase(name) {
|
||
if (name === state.database) return;
|
||
if (changeCount(state.changes) > 0) {
|
||
log('warn', '请先提交或撤销当前库的修改，再切换数据库。');
|
||
renderSidebar();
|
||
return;
|
||
}
|
||
const result = await api.query(`USE ${name}`, state.database);
|
||
if (result.type === 'error') {
|
||
fail(new Error(result.message));
|
||
renderSidebar();
|
||
return;
|
||
}
|
||
state.database = result.database ?? name;
|
||
log('info', `已切换到数据库 ${state.database}`);
|
||
await loadWorkspace();
|
||
renderEditor();
|
||
}
|
||
|
||
// 打开表标签并加载数据。
|
||
async function openTable(database, name) {
|
||
const opened = openTableTab(state.tabs, database, name, nextTabId('table'));
|
||
state.tabs = opened.tabs;
|
||
state.activeId = opened.activeId;
|
||
const tab = state.tabs.find((entry) => entry.id === opened.activeId);
|
||
if (!tab.data) {
|
||
tab.data = {
|
||
columns: [], rows: [], total: 0, page: 0, pageSize: state.settings.pageSize,
|
||
sort: null, dir: 'asc', filters: {}, offset: 0, loading: true,
|
||
};
|
||
tab.selected = new Set();
|
||
}
|
||
tab.database = database;
|
||
renderTabs();
|
||
await loadTableData(tab);
|
||
}
|
||
|
||
// 加载表标签的一页数据。
|
||
async function loadTableData(tab) {
|
||
const data = tab.data;
|
||
data.loading = true;
|
||
renderEditor();
|
||
try {
|
||
const meta = await api.getTable(tab.database, tab.table);
|
||
const filters = Object.entries(data.filters ?? {})
|
||
.filter(([, expression]) => String(expression).trim().length > 0)
|
||
.map(([column, expression]) => ({ column, expression }));
|
||
const pageSize = data.pageSize || state.settings.pageSize;
|
||
const offset = data.page * pageSize;
|
||
const page = await api.fetchRows({
|
||
database: tab.database,
|
||
table: tab.table,
|
||
limit: pageSize,
|
||
offset,
|
||
sort: data.sort,
|
||
dir: data.dir,
|
||
filters,
|
||
});
|
||
data.columns = meta.columns;
|
||
data.total = page.total;
|
||
data.offset = offset;
|
||
data.pageSize = pageSize;
|
||
data.error = null;
|
||
// 服务端做等值过滤，界面上的 like / 比较表达式再在本地收敛一次
|
||
data.rows = filters.length
|
||
? page.rows.filter((row) => filters.every((filter) => matchesFilter(row[filter.column], filter.expression)))
|
||
: page.rows;
|
||
if (!data.rows.length && data.page > 0) data.page -= 1;
|
||
} catch (error) {
|
||
data.error = describe(error);
|
||
} finally {
|
||
data.loading = false;
|
||
renderEditor();
|
||
renderBottom();
|
||
}
|
||
}
|
||
|
||
// 重新加载所有表标签。
|
||
async function reloadOpenTables() {
|
||
for (const tab of state.tabs) {
|
||
if (tab.kind === 'table') await loadTableData(tab);
|
||
}
|
||
}
|
||
|
||
// ---------------------------------------------------------------- 变更动作
|
||
|
||
// 撤下某行的全部变更。
|
||
function unstageRow(table, pk) {
|
||
const prefix = `${table}:${JSON.stringify(pk)}:`;
|
||
for (const key of [...state.changes.updates.keys()]) {
|
||
if (key.startsWith(prefix)) state.changes.updates.delete(key);
|
||
}
|
||
state.changes.deletes.delete(deleteKey(table, pk));
|
||
}
|
||
|
||
// 暂存单元格修改。
|
||
function stageUpdate(table, database, pk, column, oldValue, newValue) {
|
||
if (oldValue === newValue) state.changes.updates.delete(changeKey(table, pk, column));
|
||
else state.changes.updates.set(changeKey(table, pk, column), { table, database, pk, column, oldValue, newValue });
|
||
afterChange();
|
||
}
|
||
|
||
// 暂存新增行。
|
||
function stageInsert(table, database, values) {
|
||
state.insertSeq += 1;
|
||
const tempId = `new-${state.insertSeq}`;
|
||
state.changes.inserts.set(insertKey(table, tempId), { table, database, tempId, values });
|
||
afterChange();
|
||
}
|
||
|
||
// 暂存删除行。
|
||
function stageDelete(table, database, pk, row) {
|
||
unstageRow(table, pk);
|
||
state.changes.deletes.set(deleteKey(table, pk), { table, database, pk, row });
|
||
afterChange();
|
||
}
|
||
|
||
// 变更后重绘相关区域。
|
||
function afterChange() {
|
||
renderSidebar();
|
||
renderEditor();
|
||
renderBottom();
|
||
}
|
||
|
||
// 撤下一条暂存变更。
|
||
function removeStaged(key) {
|
||
if (state.changes.updates.has(key)) state.changes.updates.delete(key);
|
||
else if (state.changes.inserts.has(key)) state.changes.inserts.delete(key);
|
||
else if (state.changes.deletes.has(key)) state.changes.deletes.delete(key);
|
||
afterChange();
|
||
}
|
||
|
||
// 撤销全部暂存变更。
|
||
function rollbackAll() {
|
||
state.changes = createEmptyChangeSet();
|
||
for (const tab of state.tabs) if (tab.selected) tab.selected.clear();
|
||
log('info', '已撤销全部待提交变更。');
|
||
afterChange();
|
||
}
|
||
|
||
// 提交全部暂存变更。
|
||
async function commitAll() {
|
||
const payload = toCommitPayload(state.changes);
|
||
if (!payload.length) {
|
||
log('info', '没有待提交的变更。');
|
||
return;
|
||
}
|
||
const database = state.database;
|
||
const result = await api.commitChanges(database, payload);
|
||
if (result.ok) {
|
||
state.changes = createEmptyChangeSet();
|
||
for (const tab of state.tabs) if (tab.selected) tab.selected.clear();
|
||
log('info', `已提交 ${result.applied} 条变更。`);
|
||
setStatus(`已提交 ${result.applied} 条变更`);
|
||
} else {
|
||
const failed = result.errors?.[0];
|
||
// 成功的部分不再保留，失败的那条留在面板上等修正
|
||
state.changes = createEmptyChangeSet();
|
||
payload.slice(result.applied).forEach((change) => {
|
||
if (change.op === 'insert') {
|
||
state.insertSeq += 1;
|
||
const tempId = `new-${state.insertSeq}`;
|
||
state.changes.inserts.set(insertKey(change.table, tempId), { table: change.table, database, tempId, values: change.values });
|
||
} else if (change.op === 'delete') {
|
||
state.changes.deletes.set(deleteKey(change.table, change.pk), { table: change.table, database, pk: change.pk, row: {} });
|
||
} else {
|
||
for (const [column, value] of Object.entries(change.set)) {
|
||
state.changes.updates.set(changeKey(change.table, change.pk, column), {
|
||
table: change.table, database, pk: change.pk, column, oldValue: undefined, newValue: value,
|
||
});
|
||
}
|
||
}
|
||
});
|
||
log('error', `提交在第 ${(failed?.index ?? 0) + 1} 条失败：${failed?.message ?? '未知错误'}（已成功 ${result.applied} 条）`);
|
||
}
|
||
await loadWorkspace();
|
||
await reloadOpenTables();
|
||
afterChange();
|
||
}
|
||
|
||
// ---------------------------------------------------------------- SQL 运行
|
||
|
||
// 运行 SQL 并展示结果。
|
||
async function runSql(tab) {
|
||
const sql = String(tab.sql ?? '').trim();
|
||
if (!sql) return;
|
||
setStatus('执行中…');
|
||
const result = await api.query(sql, tab.database);
|
||
tab.result = result;
|
||
if (result.type === 'error') {
|
||
log('error', result.message ?? '执行失败');
|
||
setStatus(result.message ?? '执行失败');
|
||
} else {
|
||
if (result.database && result.database !== state.database) {
|
||
state.database = result.database;
|
||
tab.database = result.database;
|
||
await loadWorkspace();
|
||
}
|
||
if (result.type === 'rows') {
|
||
log('info', `查询返回 ${result.rows.length} 行`);
|
||
setStatus(`${result.rows.length} 行 · ${result.durationMs.toFixed(1)} ms`);
|
||
} else {
|
||
log('info', `语句影响 ${result.affected ?? 0} 行`);
|
||
setStatus(`影响 ${result.affected ?? 0} 行`);
|
||
await loadWorkspace();
|
||
await reloadOpenTables();
|
||
}
|
||
}
|
||
renderEditor();
|
||
}
|
||
|
||
// ---------------------------------------------------------------- 标签动作
|
||
|
||
// 激活指定标签。
|
||
function activateTab(id) {
|
||
state.activeId = id;
|
||
const tab = activeTab();
|
||
if (tab?.kind === 'sql') tab.database = state.database;
|
||
if (tab?.kind === 'settings' && !state.serverSettings) void loadServerSettings();
|
||
renderTabs();
|
||
}
|
||
|
||
// 关闭指定标签。
|
||
function closeTabById(id) {
|
||
const closed = closeTab(state.tabs, id, state.activeId);
|
||
state.tabs = closed.tabs;
|
||
state.activeId = closed.activeId;
|
||
renderTabs();
|
||
}
|
||
|
||
// 新开一个查询标签。
|
||
function openQuery(sql) {
|
||
const title = `查询 ${state.tabs.filter((tab) => tab.kind === 'sql').length + 1}`;
|
||
const opened = openQueryTab(state.tabs, title, nextTabId('sql'), state.database, sql ?? '');
|
||
state.tabs = opened.tabs;
|
||
state.activeId = opened.activeId;
|
||
renderTabs();
|
||
}
|
||
|
||
// 打开设置标签。
|
||
function openSettings() {
|
||
const opened = openSettingsTab(state.tabs, '设置', nextTabId('settings'));
|
||
state.tabs = opened.tabs;
|
||
state.activeId = opened.activeId;
|
||
renderTabs();
|
||
if (!state.serverSettings) void loadServerSettings();
|
||
}
|
||
|
||
// ---------------------------------------------------------------- 设置动作
|
||
|
||
// 把 IDE 设置写到 CSS 变量。
|
||
function applySettingsToDom() {
|
||
const style = document.documentElement.style;
|
||
style.setProperty('--ui-font', fontFamilyValue(state.settings.uiFonts));
|
||
style.setProperty('--ui-font-size', `${state.settings.uiFontSize}px`);
|
||
style.setProperty('--grid-font', fontFamilyValue(state.settings.gridFonts));
|
||
style.setProperty('--grid-font-size', `${state.settings.gridFontSize}px`);
|
||
style.setProperty('--grid-row-height', `${state.settings.gridRowHeight}px`);
|
||
style.setProperty('--sql-font', fontFamilyValue(state.settings.sqlFonts));
|
||
style.setProperty('--sql-font-size', `${state.settings.sqlFontSize}px`);
|
||
style.setProperty('--sql-line-height', `${state.settings.sqlLineHeight}px`);
|
||
style.setProperty('--sql-tab-size', String(state.settings.sqlTabSize));
|
||
}
|
||
|
||
let saveTimer;
|
||
// 保存 IDE 设置（本地+服务器）。
|
||
function persistSettings() {
|
||
try {
|
||
localStorage.setItem(IDE_SETTINGS_KEY, JSON.stringify(state.settings));
|
||
} catch {
|
||
// 本地存储不可用时忽略：服务器那边仍会保存
|
||
}
|
||
clearTimeout(saveTimer);
|
||
saveTimer = setTimeout(() => {
|
||
api.saveUiSettings(state.settings).catch((error) => log('warn', `IDE 设置没能保存到服务器：${describe(error)}`));
|
||
}, 400);
|
||
}
|
||
|
||
// 更新一项 IDE 设置。
|
||
function updateSetting(key, value) {
|
||
state.settings = { ...state.settings, [key]: value };
|
||
applySettingsToDom();
|
||
persistSettings();
|
||
renderEditor();
|
||
}
|
||
|
||
// 从本地存储读 IDE 设置。
|
||
function loadLocalSettings() {
|
||
try {
|
||
const raw = localStorage.getItem(IDE_SETTINGS_KEY);
|
||
if (!raw) return;
|
||
state.settings = { ...state.settings, ...parseUiSettings(JSON.parse(raw)) };
|
||
} catch {
|
||
// 本地设置坏了就用默认值
|
||
}
|
||
}
|
||
|
||
// 从服务器读 IDE 设置。
|
||
async function loadRemoteSettings() {
|
||
try {
|
||
state.settings = { ...state.settings, ...parseUiSettings(await api.loadUiSettings()) };
|
||
applySettingsToDom();
|
||
} catch (error) {
|
||
log('warn', `IDE 设置没能从服务器读取：${describe(error)}`);
|
||
}
|
||
}
|
||
|
||
// 读取服务器设置。
|
||
async function loadServerSettings() {
|
||
try {
|
||
state.serverSettings = await api.loadServerSettings();
|
||
} catch (error) {
|
||
state.serverSettings = { error: describe(error), items: [] };
|
||
}
|
||
renderEditor();
|
||
}
|
||
|
||
// 保存改过的服务器设置。
|
||
async function saveServerSettings() {
|
||
const inputs = [...document.querySelectorAll('[data-server-setting]')];
|
||
const values = {};
|
||
for (const input of inputs) {
|
||
if (input.disabled || !input.dataset.dirty) continue;
|
||
values[input.dataset.serverSetting] = input.value;
|
||
}
|
||
if (!Object.keys(values).length) {
|
||
const note = region('server-settings-note');
|
||
if (note) note.textContent = '没有需要保存的改动。';
|
||
return;
|
||
}
|
||
try {
|
||
const result = await api.saveServerSettings(values);
|
||
const applied = Array.isArray(result.applied) ? result.applied : [];
|
||
const restart = Array.isArray(result.restartRequired) ? result.restartRequired : [];
|
||
log('info', `服务器设置已保存：${Object.keys(values).join('、')}`);
|
||
state.serverSettings = await api.loadServerSettings();
|
||
renderEditor();
|
||
const note = region('server-settings-note');
|
||
if (note) {
|
||
note.textContent = `已应用 ${applied.length} 项${restart.length ? `，需重启生效 ${restart.length} 项：${restart.join('、')}` : ''}`;
|
||
}
|
||
} catch (error) {
|
||
fail(error);
|
||
}
|
||
}
|
||
|
||
// ---------------------------------------------------------------- 表格动作
|
||
|
||
// 切换该列的排序。
|
||
function sortColumn(tab, column) {
|
||
const data = tab.data;
|
||
if (data.sort === column) data.dir = data.dir === 'asc' ? 'desc' : 'asc';
|
||
else {
|
||
data.sort = column;
|
||
data.dir = 'asc';
|
||
}
|
||
data.page = 0;
|
||
void loadTableData(tab);
|
||
}
|
||
|
||
// 暂存删除选中的行。
|
||
function deleteSelected(tab) {
|
||
const keyColumn = tab.data.columns.find((column) => column.name === 'id');
|
||
if (!keyColumn || !tab.selected) return;
|
||
for (const row of tab.data.rows) {
|
||
if (tab.selected.has(String(row[keyColumn.name]))) stageDelete(tab.table, tab.database, row[keyColumn.name], row);
|
||
}
|
||
tab.selected.clear();
|
||
afterChange();
|
||
}
|
||
|
||
// 就地编辑单元格：提交或放弃。
|
||
function beginCellEdit(cell, options) {
|
||
if (cell.querySelector('input')) return;
|
||
const input = document.createElement('input');
|
||
input.className = 'cell-input';
|
||
input.value = editText(options.currentValue);
|
||
cell.textContent = '';
|
||
cell.appendChild(input);
|
||
input.focus();
|
||
input.select();
|
||
let done = false;
|
||
// 结束编辑并按需提交。
|
||
const finish = (save) => {
|
||
if (done) return;
|
||
done = true;
|
||
const raw = input.value;
|
||
input.remove();
|
||
options.commit(save ? parseEdited(raw, options.type) : undefined);
|
||
};
|
||
// Enter 提交，Esc 放弃。
|
||
input.addEventListener('keydown', (event) => {
|
||
if (event.key === 'Enter') {
|
||
event.preventDefault();
|
||
finish(true);
|
||
} else if (event.key === 'Escape') {
|
||
event.preventDefault();
|
||
finish(false);
|
||
}
|
||
});
|
||
// 失焦时提交。
|
||
input.addEventListener('blur', () => finish(true));
|
||
}
|
||
|
||
// 在新建表对话框加一列。
|
||
function addColumnRow(name, type) {
|
||
const container = region('dlg-table-columns');
|
||
if (!container) return;
|
||
const row = document.createElement('div');
|
||
row.className = 'column-row';
|
||
row.innerHTML = `
|
||
<input class="column-name" value="${escapeHtml(name)}" placeholder="列名" />
|
||
<select class="column-type">${creatableTypes.map((option) => `<option value="${option}"${option === type ? ' selected' : ''}>${escapeHtml(typeLabel(option))}</option>`).join('')}</select>
|
||
<button class="mini danger" data-action="remove-column" title="移除">✕</button>`;
|
||
container.appendChild(row);
|
||
}
|
||
|
||
// 打开新建表对话框。
|
||
function openCreateTableDialog() {
|
||
region('dlg-table-name').value = '';
|
||
region('dlg-table-error').textContent = '';
|
||
region('dlg-table-columns').innerHTML = '';
|
||
addColumnRow('id', 'int');
|
||
addColumnRow('', 'str');
|
||
region('dlg-table').showModal();
|
||
}
|
||
|
||
// 打开建索引对话框。
|
||
function openIndexDialog(table) {
|
||
const meta = state.tables.find((entry) => entry.name === table);
|
||
const select = region('dlg-index-column');
|
||
const candidates = (meta?.columns ?? []).filter((column) => column.name !== 'id' && !column.indexed);
|
||
select.innerHTML = candidates
|
||
.map((column) => `<option value="${escapeHtml(column.name)}">${escapeHtml(column.name)}（${escapeHtml(typeLabel(column.type))}）</option>`)
|
||
.join('');
|
||
region('dlg-index-error').textContent = candidates.length ? '' : '没有可建索引的列。';
|
||
region('dlg-index').dataset.table = table;
|
||
region('dlg-index').showModal();
|
||
}
|
||
|
||
// 提交新建数据库。
|
||
async function createDatabase() {
|
||
const name = region('dlg-db-name').value.trim();
|
||
try {
|
||
await api.createDatabase(name, state.database);
|
||
region('dlg-db').close();
|
||
log('info', `已创建数据库 ${name}`);
|
||
await loadWorkspace();
|
||
} catch (error) {
|
||
region('dlg-db-error').textContent = describe(error);
|
||
}
|
||
}
|
||
|
||
// 提交新建表。
|
||
async function createTable() {
|
||
const name = region('dlg-table-name').value.trim();
|
||
const rows = [...region('dlg-table-columns').querySelectorAll('.column-row')];
|
||
const columns = rows
|
||
.map((row) => ({ name: row.querySelector('.column-name').value.trim(), type: row.querySelector('.column-type').value }))
|
||
.filter((column) => column.name);
|
||
if (!name) {
|
||
region('dlg-table-error').textContent = '表名不能为空。';
|
||
return;
|
||
}
|
||
if (!columns.length) {
|
||
region('dlg-table-error').textContent = '至少需要一列。';
|
||
return;
|
||
}
|
||
try {
|
||
await api.createTable(state.database, name, columns);
|
||
region('dlg-table').close();
|
||
log('info', `已创建表 ${name}`);
|
||
await loadWorkspace();
|
||
await openTable(state.database, name);
|
||
} catch (error) {
|
||
region('dlg-table-error').textContent = describe(error);
|
||
}
|
||
}
|
||
|
||
// 提交建索引。
|
||
async function createIndexFor(table) {
|
||
const dialog = region('dlg-index');
|
||
const column = region('dlg-index-column').value;
|
||
if (!column) return;
|
||
try {
|
||
await api.createIndex(state.database, table, column);
|
||
dialog.close();
|
||
log('info', `已在 ${table}.${column} 上建索引`);
|
||
await loadWorkspace();
|
||
} catch (error) {
|
||
region('dlg-index-error').textContent = describe(error);
|
||
}
|
||
}
|
||
|
||
// 删除当前数据库。
|
||
async function dropCurrentDatabase() {
|
||
const name = state.database;
|
||
if (!window.confirm(`删除数据库 ${name}？此操作不可撤销。`)) return;
|
||
try {
|
||
await api.dropDatabase(name, name);
|
||
log('info', `已删除数据库 ${name}`);
|
||
state.tabs = state.tabs.filter((tab) => tab.kind !== 'table' || tab.database !== name);
|
||
if (!state.tabs.some((tab) => tab.id === state.activeId)) state.activeId = state.tabs[0]?.id;
|
||
await loadWorkspace();
|
||
renderTabs();
|
||
} catch (error) {
|
||
fail(error);
|
||
}
|
||
}
|
||
|
||
// 删除指定表。
|
||
async function dropTableByName(table) {
|
||
if (!window.confirm(`删除表 ${table}？`)) return;
|
||
try {
|
||
await api.dropTable(state.database, table);
|
||
log('info', `已删除表 ${table}`);
|
||
state.tabs = state.tabs.filter((tab) => !(tab.kind === 'table' && tab.table === table));
|
||
if (!state.tabs.some((tab) => tab.id === state.activeId)) state.activeId = state.tabs[0]?.id;
|
||
await loadWorkspace();
|
||
renderTabs();
|
||
} catch (error) {
|
||
fail(error);
|
||
}
|
||
}
|
||
|
||
// 删除指定列。
|
||
async function dropColumnByName(table, column) {
|
||
if (!window.confirm(`删除 ${table}.${column}？`)) return;
|
||
try {
|
||
await api.dropColumn(state.database, table, column);
|
||
log('info', `已删除列 ${table}.${column}`);
|
||
await loadWorkspace();
|
||
await reloadOpenTables();
|
||
} catch (error) {
|
||
fail(error);
|
||
}
|
||
}
|
||
|
||
// 删除指定索引。
|
||
async function dropIndexByName(table, column) {
|
||
if (!window.confirm(`删除 ${table}.${column} 上的索引？`)) return;
|
||
try {
|
||
await api.dropIndex(state.database, table, column);
|
||
log('info', `已删除 ${table}.${column} 上的索引`);
|
||
await loadWorkspace();
|
||
} catch (error) {
|
||
fail(error);
|
||
}
|
||
}
|
||
|
||
// ---------------------------------------------------------------- 事件代理
|
||
|
||
// 拖动分隔条调整尺寸。
|
||
function startSplitterDrag(kind, event) {
|
||
event.preventDefault();
|
||
const workbench = region('workbench');
|
||
// 按鼠标位置调整宽度或高度。
|
||
const move = (moveEvent) => {
|
||
if (kind === 'v') {
|
||
const width = Math.min(560, Math.max(180, moveEvent.clientX - 48));
|
||
state.sidebarWidth = width;
|
||
workbench.style.setProperty('--sidebar-width', `${width}px`);
|
||
} else {
|
||
const height = Math.min(window.innerHeight - 160, Math.max(80, window.innerHeight - moveEvent.clientY - 22));
|
||
state.dockHeight = `${height}px`;
|
||
workbench.style.setProperty('--dock-height', `${height}px`);
|
||
}
|
||
};
|
||
// 移除拖动监听。
|
||
const stop = () => {
|
||
window.removeEventListener('mousemove', move);
|
||
window.removeEventListener('mouseup', stop);
|
||
};
|
||
window.addEventListener('mousemove', move);
|
||
window.addEventListener('mouseup', stop);
|
||
}
|
||
|
||
// 这些动作都要求已经选中一个库（服务没有默认库）
|
||
const DATABASE_ACTIONS = new Set([
|
||
'open-table', 'demo-data', 'open-table-dialog', 'create-table',
|
||
'open-index-dialog', 'create-index', 'drop-table', 'drop-column', 'drop-index',
|
||
'drop-database', 'commit', 'rollback', 'copy-sql',
|
||
]);
|
||
|
||
// 该动作是否需要当前库。
|
||
function needsDatabase(action) {
|
||
return DATABASE_ACTIONS.has(action);
|
||
}
|
||
|
||
// 点击事件代理。
|
||
function onClick(event) {
|
||
const splitter = event.target.closest('[data-split]');
|
||
if (splitter) {
|
||
startSplitterDrag(splitter.dataset.split, event);
|
||
return;
|
||
}
|
||
const target = event.target.closest('[data-action]');
|
||
if (!target) return;
|
||
const action = target.dataset.action;
|
||
const tab = activeTab();
|
||
|
||
// 没有选库时，需要当前库的动作先拦下来（服务端也会拒，这里给人话）
|
||
if (!state.database && needsDatabase(action)) {
|
||
log('warn', '还没有选择数据库：先在左侧数据库下拉里选一个，或者新建一个库。');
|
||
return;
|
||
}
|
||
|
||
switch (action) {
|
||
case 'logout':
|
||
void (async () => {
|
||
try {
|
||
await api.logout();
|
||
} catch {
|
||
// 退出失败也要回到登录页
|
||
}
|
||
state.session = null;
|
||
state.tabs = [];
|
||
state.activeId = undefined;
|
||
state.changes = createEmptyChangeSet();
|
||
renderLogin('已退出登录。', 'info');
|
||
})();
|
||
return;
|
||
case 'new-query':
|
||
openQuery('');
|
||
return;
|
||
case 'focus-explorer': {
|
||
const sidebar = region('sidebar');
|
||
if (sidebar) sidebar.scrollTop = 0;
|
||
return;
|
||
}
|
||
case 'settings':
|
||
openSettings();
|
||
return;
|
||
case 'close-dialog': {
|
||
const dialog = target.closest('dialog');
|
||
if (dialog) dialog.close();
|
||
return;
|
||
}
|
||
case 'activate-tab':
|
||
activateTab(target.dataset.tab);
|
||
return;
|
||
case 'close-tab':
|
||
closeTabById(target.dataset.tab);
|
||
return;
|
||
case 'bottom-tab':
|
||
state.bottomTab = target.dataset.tab;
|
||
renderBottom();
|
||
return;
|
||
case 'expand-table': {
|
||
const name = target.dataset.table;
|
||
if (state.expanded.has(name)) state.expanded.delete(name);
|
||
else state.expanded.add(name);
|
||
renderSidebar();
|
||
return;
|
||
}
|
||
case 'open-table':
|
||
void openTable(state.database, target.dataset.table);
|
||
return;
|
||
case 'refresh':
|
||
void loadWorkspace().then(reloadOpenTables);
|
||
return;
|
||
case 'demo-data':
|
||
void (async () => {
|
||
try {
|
||
const report = await api.seedDemoData(state.database);
|
||
log('info', `演示数据：新建 ${(report.created ?? []).length} 张，保留 ${(report.skipped ?? []).length} 张。`);
|
||
await loadWorkspace();
|
||
await reloadOpenTables();
|
||
} catch (error) {
|
||
fail(error);
|
||
}
|
||
})();
|
||
return;
|
||
case 'open-db-dialog':
|
||
region('dlg-db-name').value = '';
|
||
region('dlg-db-error').textContent = '';
|
||
region('dlg-db').showModal();
|
||
return;
|
||
case 'open-table-dialog':
|
||
openCreateTableDialog();
|
||
return;
|
||
case 'add-column':
|
||
addColumnRow('', 'int');
|
||
return;
|
||
case 'remove-column': {
|
||
const row = target.closest('.column-row');
|
||
if (row) row.remove();
|
||
return;
|
||
}
|
||
case 'create-database':
|
||
void createDatabase();
|
||
return;
|
||
case 'create-table':
|
||
void createTable();
|
||
return;
|
||
case 'open-index-dialog':
|
||
openIndexDialog(target.dataset.table);
|
||
return;
|
||
case 'create-index':
|
||
void createIndexFor(region('dlg-index').dataset.table);
|
||
return;
|
||
case 'drop-database':
|
||
void dropCurrentDatabase();
|
||
return;
|
||
case 'drop-table':
|
||
void dropTableByName(target.dataset.table);
|
||
return;
|
||
case 'drop-column':
|
||
void dropColumnByName(target.dataset.table, target.dataset.column);
|
||
return;
|
||
case 'drop-index':
|
||
void dropIndexByName(target.dataset.table, target.dataset.column);
|
||
return;
|
||
case 'sort-column':
|
||
if (tab?.kind === 'table') sortColumn(tab, target.dataset.column);
|
||
return;
|
||
case 'prev-page':
|
||
if (tab?.kind === 'table' && tab.data.page > 0) {
|
||
tab.data.page -= 1;
|
||
void loadTableData(tab);
|
||
}
|
||
return;
|
||
case 'next-page':
|
||
if (tab?.kind === 'table') {
|
||
tab.data.page += 1;
|
||
void loadTableData(tab);
|
||
}
|
||
return;
|
||
case 'reload-table':
|
||
if (tab?.kind === 'table') void loadTableData(tab);
|
||
return;
|
||
case 'insert-row':
|
||
if (tab?.kind === 'table') {
|
||
const values = {};
|
||
for (const column of tab.data.columns) values[column.name] = null;
|
||
if (tab.table === accountsTable) {
|
||
values.user = '';
|
||
values.password = '';
|
||
}
|
||
stageInsert(tab.table, tab.database, values);
|
||
}
|
||
return;
|
||
case 'delete-selected':
|
||
if (tab?.kind === 'table') deleteSelected(tab);
|
||
return;
|
||
case 'unstage':
|
||
removeStaged(target.dataset.key);
|
||
return;
|
||
case 'unstage-insert': {
|
||
const owner = tab?.kind === 'table' ? tab : undefined;
|
||
if (owner) removeStaged(insertKey(owner.table, target.dataset.temp));
|
||
return;
|
||
}
|
||
case 'commit':
|
||
void commitAll();
|
||
return;
|
||
case 'rollback':
|
||
rollbackAll();
|
||
return;
|
||
case 'copy-sql': {
|
||
const text = changesSql(state.changes).join('\n');
|
||
const clipboard = navigator.clipboard;
|
||
if (!clipboard) {
|
||
log('warn', '这个浏览器不允许写剪贴板，请手动选中下面的 SQL。');
|
||
return;
|
||
}
|
||
clipboard.writeText(text).then(
|
||
() => log('info', 'SQL 已复制到剪贴板。'),
|
||
() => log('warn', '复制失败，请手动选中下面的 SQL。'),
|
||
);
|
||
return;
|
||
}
|
||
case 'run-sql':
|
||
if (tab?.kind === 'sql') void runSql(tab);
|
||
return;
|
||
case 'clear-sql':
|
||
if (tab?.kind === 'sql') {
|
||
tab.sql = '';
|
||
tab.result = undefined;
|
||
renderEditor();
|
||
}
|
||
return;
|
||
case 'reset-settings':
|
||
state.settings = { ...DEFAULT_SETTINGS };
|
||
applySettingsToDom();
|
||
persistSettings();
|
||
renderEditor();
|
||
return;
|
||
case 'save-server-settings':
|
||
void saveServerSettings();
|
||
return;
|
||
case 'edit-cell': {
|
||
if (tab?.kind !== 'table') return;
|
||
const pk = target.dataset.pk;
|
||
const column = target.dataset.column;
|
||
const meta = tab.data.columns.find((entry) => entry.name === column);
|
||
const row = tab.data.rows.find((entry) => String(entry.id) === String(pk));
|
||
if (!meta || !row) return;
|
||
const staged = state.changes.updates.get(changeKey(tab.table, pk, column));
|
||
const oldValue = staged ? staged.oldValue : row[column.name];
|
||
beginCellEdit(target, {
|
||
type: meta.type,
|
||
currentValue: staged ? staged.newValue : row[column.name],
|
||
commit: (value) => {
|
||
if (value === undefined) renderEditor();
|
||
else stageUpdate(tab.table, tab.database, pk, column, oldValue, value);
|
||
},
|
||
});
|
||
return;
|
||
}
|
||
case 'edit-insert': {
|
||
if (tab?.kind !== 'table') return;
|
||
const insert = state.changes.inserts.get(insertKey(tab.table, target.dataset.temp));
|
||
if (!insert) return;
|
||
const column = target.dataset.column;
|
||
const meta = tab.data.columns.find((entry) => entry.name === column);
|
||
beginCellEdit(target, {
|
||
type: meta ? meta.type : 'str',
|
||
currentValue: insert.values[column],
|
||
commit: (value) => {
|
||
if (value === undefined) renderEditor();
|
||
else {
|
||
insert.values[column] = value;
|
||
afterChange();
|
||
}
|
||
},
|
||
});
|
||
return;
|
||
}
|
||
default:
|
||
}
|
||
}
|
||
|
||
// 输入与选择事件代理。
|
||
function onChange(event) {
|
||
const target = event.target;
|
||
if (target.dataset.action === 'switch-database') {
|
||
void switchDatabase(target.value);
|
||
return;
|
||
}
|
||
if (target.dataset.action === 'filter-column') {
|
||
const tab = activeTab();
|
||
if (tab?.kind !== 'table') return;
|
||
tab.data.filters = { ...(tab.data.filters ?? {}), [target.dataset.column]: target.value };
|
||
tab.data.page = 0;
|
||
void loadTableData(tab);
|
||
return;
|
||
}
|
||
if (target.dataset.action === 'change-page-size') {
|
||
const tab = activeTab();
|
||
if (tab?.kind !== 'table') return;
|
||
tab.data.pageSize = Number(target.value);
|
||
tab.data.page = 0;
|
||
void loadTableData(tab);
|
||
return;
|
||
}
|
||
if (target.dataset.action === 'select-row') {
|
||
const tab = activeTab();
|
||
if (tab?.kind !== 'table') return;
|
||
tab.selected = tab.selected ?? new Set();
|
||
if (target.checked) tab.selected.add(String(target.dataset.pk));
|
||
else tab.selected.delete(String(target.dataset.pk));
|
||
renderEditor();
|
||
return;
|
||
}
|
||
if (target.dataset.serverSetting) {
|
||
target.dataset.dirty = '1';
|
||
return;
|
||
}
|
||
const setting = target.dataset.setting;
|
||
if (!setting) return;
|
||
const key = target.dataset.key;
|
||
if (setting === 'number') updateSetting(key, clampSetting(key, target.value));
|
||
else if (setting === 'boolean') updateSetting(key, target.checked);
|
||
else if (setting === 'fonts') updateSetting(key, fontsFromText(target.value));
|
||
else updateSetting(key, target.value);
|
||
}
|
||
|
||
// 提交事件代理（登录表单）。
|
||
function onSubmit(event) {
|
||
if (event.target.id !== 'login-form') return;
|
||
event.preventDefault();
|
||
const user = region('login-user').value.trim();
|
||
const password = region('login-password').value;
|
||
state.loading = true;
|
||
renderLogin('', 'info');
|
||
void (async () => {
|
||
try {
|
||
await api.login(user, password);
|
||
state.loading = false;
|
||
if (!(await refreshSession())) {
|
||
renderLogin('登录成功但会话读取失败，请重试。', 'error');
|
||
return;
|
||
}
|
||
renderShell();
|
||
renderSidebar();
|
||
renderTabs();
|
||
renderBottom();
|
||
applySettingsToDom();
|
||
await loadWorkspace();
|
||
log('info', `已登录：${state.session.user}`);
|
||
} catch (error) {
|
||
state.loading = false;
|
||
renderLogin(describe(error), 'error');
|
||
}
|
||
})();
|
||
}
|
||
|
||
// 键盘事件代理。
|
||
function onKeydown(event) {
|
||
if (event.key === 'Enter' && event.target.id === 'dlg-db-name') {
|
||
event.preventDefault();
|
||
void createDatabase();
|
||
}
|
||
}
|
||
|
||
// ---------------------------------------------------------------- 启动
|
||
|
||
// 会话过期时回到登录页。
|
||
window.addEventListener(AUTH_EVENT, () => {
|
||
if (state.view === 'login') return;
|
||
state.session = null;
|
||
state.tabs = [];
|
||
state.activeId = undefined;
|
||
renderLogin('会话已过期，请重新登录。', 'warn');
|
||
});
|
||
|
||
root.addEventListener('click', onClick);
|
||
root.addEventListener('change', onChange);
|
||
root.addEventListener('submit', onSubmit);
|
||
root.addEventListener('keydown', onKeydown);
|
||
|
||
// 启动：读设置、恢复会话、渲染。
|
||
async function boot() {
|
||
loadLocalSettings();
|
||
applySettingsToDom();
|
||
if (!(await refreshSession())) {
|
||
renderLogin('', 'info');
|
||
return;
|
||
}
|
||
renderShell();
|
||
renderSidebar();
|
||
renderTabs();
|
||
renderBottom();
|
||
applySettingsToDom();
|
||
await loadWorkspace();
|
||
renderEditor();
|
||
await loadRemoteSettings();
|
||
renderEditor();
|
||
}
|
||
|
||
void boot();
|