mirror of
https://github.com/Leaflet/Leaflet.git
synced 2025-12-08 21:26:14 +00:00
7ac98758d4
Signed-off-by: Jon Koops <jonkoops@gmail.com> Co-authored-by: Florian Bischof <design.falke@gmail.com>
91 lines
2.7 KiB
HTML
91 lines
2.7 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<title>Leaflet debug page - Popup Keep in View</title>
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<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=0" />
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<link rel="stylesheet" href="../../dist/leaflet.css" />
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<link rel="stylesheet" href="../css/screen.css" />
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<script type="importmap">
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{
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"imports": {
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"leaflet": "../../dist/leaflet-src.js"
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}
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}
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</script>
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</head>
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<body>
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<div id="map"></div>
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<div>
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<label><input type="checkbox" id="keepInView" checked>Set keepInView</label>
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<button id="popupWithinBounds">Add popup within bounds</button>
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<button id="popupSlightlyBeyondBounds">Add popup slightly beyond bounds</button>
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<button id="popupBeyondBounds">Add popup far away</button>
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<button id="movePopup">Move last popup</button>
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</div>
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<script type="module">
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import {TileLayer, Map, LatLng, Popup} from 'leaflet';
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const osmUrl = 'https://tile.openstreetmap.org/{z}/{x}/{y}.png';
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const osm = new TileLayer(osmUrl, {maxZoom: 18});
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const center = [50.5, 30.51];
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const map = new Map('map')
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.setView(center, 15)
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.addLayer(osm);
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let lastPopup;
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const keepInViewCheckbox = document.querySelector('#keepInView');
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function getRandomLatLng(llbounds, expandRange) {
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// How many degrees to expand the search range by
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expandRange = expandRange ?? 0;
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const s = llbounds.getSouth() - expandRange;
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const n = llbounds.getNorth() + expandRange;
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const w = llbounds.getWest() - expandRange;
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const e = llbounds.getEast() + expandRange;
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return new LatLng(
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s + (Math.random() * (n - s)),
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w + (Math.random() * (e - w))
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);
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}
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map.on('autopanstart move moveend', console.log);
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document.querySelector('#popupWithinBounds').addEventListener('click', () => {
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lastPopup = new Popup({keepInView: keepInViewCheckbox.checked})
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.setContent('Popup')
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.setLatLng(getRandomLatLng(map.getBounds()));
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map.openPopup(lastPopup);
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});
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document.querySelector('#popupSlightlyBeyondBounds').addEventListener('click', () => {
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lastPopup = new Popup({keepInView: keepInViewCheckbox.checked})
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.setContent('Popup')
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.setLatLng(getRandomLatLng(map.getBounds(), .01));
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map.openPopup(lastPopup);
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});
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document.querySelector('#popupBeyondBounds').addEventListener('click', () => {
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lastPopup = new Popup({keepInView: keepInViewCheckbox.checked})
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.setContent('Popup')
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.setLatLng(getRandomLatLng(map.getBounds(), 1));
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map.openPopup(lastPopup);
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});
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document.querySelector('#movePopup').addEventListener('click', () => {
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if (!lastPopup) {
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alert('No popup to move!');
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return;
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}
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lastPopup.setLatLng(map.getBounds().getNorthEast());
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});
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</script>
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</body>
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</html>
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