DCU_DesktopController/tabs.html

<!--
  tabs.html - ESP32 调试控制台「单窗口多标签」外壳
  顶部一排标签, 下方 iframe 承载各功能页(index/can/motor/...)。
  各页面原样复用, 互不干扰; 页面内的"新窗口打开"/普通链接会在 iframe 内跳转,
  外壳监听 iframe 的 load 事件同步高亮当前标签。
  激活标签存 localStorage(dcu_tab), 下次打开自动恢复。
-->
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>ESP32 调试控制台 — DCU</title>
<link rel="icon" href="data:,">
<link rel="stylesheet" href="css/base.css?v=857f83a5">
<style>
  html, body { height: 100%; margin: 0; }
  body {
    background: var(--bg-root); color: var(--text);
    font-family: "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;
    display: flex; flex-direction: column; overflow: hidden;
  }
  .tabbar {
    display: flex; align-items: stretch; gap: 2px;
    background: var(--bg-panel); border-bottom: 1px solid var(--border);
    padding: 0 8px; height: 42px; flex: 0 0 auto;
    user-select: none; -webkit-user-select: none;
  }
  .tabbar .brand {
    display: flex; align-items: center; gap: 8px;
    padding: 0 12px 0 4px; margin-right: 6px;
    border-right: 1px solid var(--border);
    font-weight: 600; font-size: .86rem; color: var(--text-dim);
    letter-spacing: .02em;
  }
  .tabbar .brand .dot { width: 9px; height: 9px; border-radius: 50%;
    background: var(--esp32); box-shadow: 0 0 8px var(--esp32); }
  .tab {
    appearance: none; border: none; background: transparent; cursor: pointer;
    color: var(--text-dim); font-size: .84rem; font-family: inherit;
    padding: 0 16px; display: flex; align-items: center; gap: 7px;
    border-bottom: 2px solid transparent; transition: color .12s, background .12s;
    white-space: nowrap;
  }
  .tab:hover { color: var(--text); background: var(--bg-hover); }
  .tab.active { color: var(--text); border-bottom-color: var(--esp32); background: var(--bg-card); }
  .tab .ico { font-size: .95rem; opacity: .9; }
  .tab .accent { width: 7px; height: 7px; border-radius: 50%; opacity: .55; }
  .tab.active .accent { opacity: 1; }
  .tabbar .spacer { flex: 1 1 auto; }
  .tabbar .hint { display: flex; align-items: center; color: var(--text-label);
    font-size: .72rem; padding: 0 8px; }
  #view { flex: 1 1 auto; width: 100%; border: none; background: var(--bg-root); display: block; }
</style>
</head>
<body>
  <nav class="tabbar" id="tabbar">
    <div class="brand"><span class="dot"></span>ESP32 调试控制台</div>
    <!-- 标签由 TABS 数组渲染 -->
    <div class="spacer"></div>
    <div class="hint">⟳ 刷新当前页 · F5</div>
  </nav>
  <iframe id="view" title="功能页" src="about:blank"></iframe>

<script>
(function(){
  var TABS = [
    { page: 'index.html',          label: 'OTA 中继',   ico: '⬆', color: 'var(--esp32)' },
    { page: 'can.html',            label: 'CAN 通信',   ico: '⇄', color: 'var(--can)' },
    { page: 'can_monitor.html',    label: 'CAN 监控',   ico: '👁', color: 'var(--can)' },
    { page: 'motor.html',          label: '电机控制',   ico: '⚙', color: 'var(--motor)' },
    { page: 'continuity_test.html',label: '通断测试',   ico: '🧰', color: 'var(--gd32)' },
    { page: 'spi_test.html',       label: 'SPI 测速',   ico: '⚡', color: 'var(--ble)' }
  ];
  var bar = document.getElementById('tabbar');
  var view = document.getElementById('view');
  var spacer = bar.querySelector('.spacer');
  var LS = 'dcu_tab';

  function pageToTab(path){
    path = (path || '').replace(/^.*\//, '').split('?')[0];
    if (path === '' ) return 'index.html';
    for (var i=0;i<TABS.length;i++) if (TABS[i].page === path) return path;
    return null; // 未知页(如从页面内跳到别的 html)
  }
  function setActive(path){
    var tabs = bar.querySelectorAll('.tab');
    for (var i=0;i<tabs.length;i++){
      tabs[i].classList.toggle('active', tabs[i].getAttribute('data-page') === path);
    }
  }
  function go(path, save){
    view.src = path;
    setActive(path);
    if (save !== false) { try { localStorage.setItem(LS, path); } catch(e){} }
  }

  // 渲染标签
  TABS.forEach(function(t){
    var b = document.createElement('button');
    b.className = 'tab'; b.type = 'button';
    b.setAttribute('data-page', t.page);
    b.innerHTML = '<span class="accent" style="background:'+t.color+'"></span>'
                + '<span class="ico">'+t.ico+'</span>' + t.label;
    b.onclick = function(){ go(t.page); };
    bar.insertBefore(b, spacer);
  });

  // iframe 内导航(页面里的链接/新窗口打开覆写)后, 同步高亮对应标签
  view.addEventListener('load', function(){
    var p = null;
    try { p = view.contentWindow.location.pathname; } catch(e){ return; }
    var tab = pageToTab(p);
    if (tab) { setActive(tab); try { localStorage.setItem(LS, tab); } catch(e){} }
  });

  // 初始标签: 上次记忆, 否则 OTA 主页
  var init = 'index.html';
  try { var s = localStorage.getItem(LS); if (s && pageToTab(s)) init = s; } catch(e){}
  go(init, false);
})();
</script>
</body>
</html>