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Merge pull request #162 from skullbooks/master

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Add an example that shows some strange error with a disappearing marker.
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Dave Leaver
2013-04-23 15:19:00 -07:00
parent cdcc23bea4 654926aff2
commit 795ef85c01
1 changed files with 109 additions and 0 deletions
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example/marker-clustering-disappearing-marker-bug.html
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<!DOCTYPE html>
<html>
<head>
<title>Leaflet debug page</title>
<link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.4.5/leaflet.css" />
<!--[if lte IE 8]><link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.4.5/leaflet.ie.css" /><![endif]-->
<script src="http://cdn.leafletjs.com/leaflet-0.4.5/leaflet.js"></script>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="screen.css" />
<link rel="stylesheet" href="../dist/MarkerCluster.css" />
<link rel="stylesheet" href="../dist/MarkerCluster.Default.css" />
<!--[if lte IE 8]><link rel="stylesheet" href="../dist/MarkerCluster.Default.ie.css" /><![endif]-->
<script src="../dist/leaflet.markercluster-src.js"></script>
</head>
<body style="font-family: verdana; font-size: 80%;">
<div id="map"></div>
Click on the cluster to <strong>spiderfy</strong> and then <button id="moveTrain">move train</button><br/>
<br/>
<div style="color: #888;"><strong>Note:</strong> The marker on the old cluster position comes back on next move or on map scrolling.</div>
<script type="text/javascript">
var stationJson = {
"type":"FeatureCollection",
"features":[
{"type":"Feature","id":1,"properties":{"type":"station","name":"Appenzell"},"geometry":{"type":"Point","coordinates":[9.40991,47.32849]}},
{"type":"Feature","id":2,"properties":{"type":"station","name":"Gais"},"geometry":{"type":"Point","coordinates":[9.45107,47.36073]}},
{"type":"Feature","id":3,"properties":{"type":"station","name":"St. Gallen"},"geometry":{"type":"Point","coordinates":[9.36901,47.42208]}},
{"type":"Feature","id":4,"properties":{"type":"station","name":"Teufen"},"geometry":{"type":"Point","coordinates":[9.390178,47.390157]}}
]};
var trainJson = [{
"type":"FeatureCollection",
"features":[
{"type":"Feature","id":10,"properties":{"type":"train","name":"Testtrain"},"geometry":{"type":"Point","coordinates":[9.36901,47.42208]}}
]},{
"type":"FeatureCollection",
"features":[
{"type":"Feature","id":10,"properties":{"type":"train","name":"Testtrain"},"geometry":{"type":"Point","coordinates":[9.390178,47.390157]}}
]},{
"type":"FeatureCollection",
"features":[
{"type":"Feature","id":10,"properties":{"type":"train","name":"Testtrain"},"geometry":{"type":"Point","coordinates":[9.45107,47.36073]}}
]},{
"type":"FeatureCollection",
"features":[
{"type":"Feature","id":10,"properties":{"type":"train","name":"Testtrain"},"geometry":{"type":"Point","coordinates":[9.40991,47.32849]}}
]}];
var trainPosition = 0,
trainDirection = 'up';
var cloudmadeLayer = L.tileLayer('http://{s}.tile.cloudmade.com/{key}/997/256/{z}/{x}/{y}.png', {
maxZoom: 18,
attribution: 'Map data &copy; 2011 OpenStreetMap contributors, Imagery &copy; 2011 CloudMade',
key: 'BC9A493B41014CAABB98F0471D759707'
}),
map = new L.Map('map', {zoom: 15, layers: [cloudmadeLayer]}),
markers = new L.MarkerClusterGroup({ spiderfyOnMaxZoom: false, showCoverageOnHover: false, zoomToBoundsOnClick: false });
var stationGeoJsonLayer = L.geoJson(stationJson, {
onEachFeature: function (feature, layer) {
layer.bindPopup(feature.properties.name);
}
}),
trainGeoJsonLayer = L.geoJson(trainJson[trainPosition], {
onEachFeature: function (feature, layer) {
layer.bindPopup(feature.properties.name);
}
});
// initial load
markers.addLayer(stationGeoJsonLayer);
markers.addLayer(trainGeoJsonLayer);
map.fitBounds(markers.getBounds());
markers.on('clusterclick', function (a) {
a.layer.spiderfy();
});
map.addLayer(markers);
/**
* Demonstration method that simulates that we got a new geoJson object with updated train positions.
*/
function moveTrain() {
if (trainDirection == 'up') trainPosition++;
else if (trainDirection == 'down') trainPosition--;
if (trainPosition == trainJson.length-1) trainDirection = 'down';
else if (trainPosition == 0) trainDirection = 'up';
// build a new geoJson layer with the new train information
trainGeoJsonLayer = L.geoJson(trainJson[trainPosition], {});
// update the cluster markers with both layers (stations first so that the station marker is always the first on spider.
markers.clearLayers();
markers.addLayer(stationGeoJsonLayer);
markers.addLayer(trainGeoJsonLayer);
}
L.DomUtil.get('moveTrain').onclick = function () {
moveTrain();
};
</script>
</body>
</html>