Toggle Interactions

<!--
  示例：切换交互开关
  核心逻辑：每个 handlers 对象都有 enable/disable，用复选框逐个控制
  数据：无外部数据，开关状态即全部状态
  依赖：MapLibre GL JS 4 · jsDelivr CDN · demotiles 样式
-->
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta name="robots" content="noindex,follow">
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>切换交互开关</title>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/maplibre-gl@4/dist/maplibre-gl.css">
<style>
  html,body{height:100%;margin:0}
  body{display:flex;flex-direction:column;overflow:hidden;
       font:13px/1.6 -apple-system,"Segoe UI","PingFang SC",sans-serif;color:#16181d}
  .bar{flex:0 0 auto;display:flex;gap:14px;align-items:center;padding:8px 12px;
       background:#f6f7f9;border-bottom:1px solid #e3e6ea;font-size:12px;color:#58606e;flex-wrap:wrap}
  .bar b{color:#16181d;font-weight:600}
  .bar label{display:flex;gap:5px;align-items:center;cursor:pointer}
  #map{flex:1 1 auto;min-height:0}
</style>
</head>
<body>
<div class="bar">
  <span>交互</span>
  <label><input type="checkbox" data-h="dragPan" checked> 拖拽平移</label>
  <label><input type="checkbox" data-h="scrollZoom" checked> 滚轮缩放</label>
  <label><input type="checkbox" data-h="dragRotate" checked> 右键旋转</label>
  <label><input type="checkbox" data-h="doubleClickZoom" checked> 双击放大</label>
  <label><input type="checkbox" data-h="boxZoom" checked> Shift 框选</label>
  <label><input type="checkbox" data-h="keyboard" checked> 键盘</label>
</div>
<div id="map"></div>
<script src="https://cdn.jsdelivr.net/npm/maplibre-gl@4/dist/maplibre-gl.js"></script>
<script>
(function () {
  'use strict';

  if (typeof maplibregl === 'undefined') {
    document.body.innerHTML =
      '<div style="padding:24px;color:#b42318">MapLibre 加载失败，请检查能否访问 cdn.jsdelivr.net</div>';
    return;
  }

  var map = new maplibregl.Map({
    container: 'map',
    style: 'https://demotiles.maplibre.org/style.json',
    center: [104.2, 35.5],
    zoom: 3.4,
    attributionControl: { compact: true, customAttribution: 'MapLibre demo tiles' }
  });

  map.addControl(new maplibregl.NavigationControl(), 'top-right');
  map.addControl(new maplibregl.ScaleControl({ maxWidth: 120 }), 'bottom-left');

  /* 每个 handler 的实例名就是 data-h 上的值 */
  Array.prototype.forEach.call(
    document.querySelectorAll('input[data-h]'),
    function (box) {
      box.addEventListener('change', function () {
        var h = map[box.getAttribute('data-h')];
        if (!h) return;
        if (box.checked) {
          h.enable();
        } else {
          h.disable();
        }
      });
    }
  );

  map.on('error', function (e) {
    if (e.error) console.warn('地图错误：' + e.error.message);
  });
})();
</script>
</body>
</html>