githubmirror/Leaflet

debug/tests/opacity.html
66 строк2 KB
Jon Koops
Drop UMD and make ESM the default entrypoint (#8826)
17 мар 2025, 17:59
17 мар 2025, 17:597ac9875
<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title>Leaflet debug page - Opacity</title>
		<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=0" />
		<link rel="stylesheet" href="../../dist/leaflet.css" />
		<link rel="stylesheet" href="../css/screen.css" />
		<style>
			.mybox {
				background-color: red;
			}
		</style>
		<script type="importmap">
			{
				"imports": {
					"leaflet": "../../dist/leaflet-src.js"
				}
			}
		</script>
	</head>
	<body>
		<div id="map"></div>
		<script type="module">
			import {TileLayer, LatLng, Map, DivIcon, Point, Marker} from 'leaflet';

			const osm = new TileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {maxZoom: 18});
			const latlng = new LatLng(50.5, 30.51);
			const map = new Map('map', {center: latlng, zoom: 15, layers: [osm]});

			// Create a marker, clicking it toggles opacity
			const opaqueIcon = new DivIcon({
				className: 'mybox',
				iconSize: new Point(100, 100),
				html: 'opaque. click to toggle',
			});

			const transparentIcon = new DivIcon({
				className: 'mybox',
				iconSize: new Point(100, 100),
				html: 'transparent',
			});

			const marker = new Marker(latlng, {icon: opaqueIcon});
			map.addLayer(marker);

			let visible = true;
			marker.on('click', () => {
				if (visible) {
					marker.setOpacity(0.3);
					marker.setIcon(transparentIcon);
				} else {
					marker.setOpacity(1);
					marker.setIcon(opaqueIcon);
				}
				visible = !visible;
			});

			const marker2 = new Marker(new LatLng(50.5, 30.52));
			map.addLayer(marker2);
			marker2.bindPopup(
				'This is an amazing message. I shouldn\'t of deleted the Ipsum text'
			);
		</script>
	</body>
</html>