Editing feature layers
This sample demonstrates a bare-bones approach for passing edits to a feature service.
<html>
<head>
<meta charset=utf-8 />
<title>Editing feature layers</title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
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<link rel="stylesheet" href="https://unpkg.com/leaflet@1.4.0/dist/leaflet.css"
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<script src="https://unpkg.com/leaflet@1.4.0/dist/leaflet.js"
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<script src="https://unpkg.com/esri-leaflet@2.2.3/dist/esri-leaflet.js"
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<style>
body { margin:0; padding:0; }
#map { position: absolute; top:0; bottom:0; right:0; left:0; }
</style>
</head>
<body>
<!-- Load Esri Leaflet Renderers -->
<script src="https://unpkg.com/esri-leaflet-renderers@2.0.6"></script>
<!-- Leaflet Draw -->
<style>
#info-pane {
position: absolute;
top: 10px;
right: 10px;
z-index: 400;
padding: 1em;
background: white;
text-align: right;
max-width: 250px;
}
#form {
display: none;
}
</style>
<div id='map'></div>
<div id='info-pane' class='leaflet-bar'>
<label id='greeting'>
Click on the map to post an edit.<br>
Click on a marker to remove it.
<select id="symbols">
<option value="Air Control Point">Air Control Point</option>
<option value="Decision Point">Decision Point</option>
<option value="Unmanned Aerial System (UAS UA)">Unmanned Aerial System (UAS UA)</option>
</select>
</label>
</div>
<script>
// create the map
var map = L.map('map').setView([65, -18.5], 6);
L.esri.basemapLayer('Physical').addTo(map);
// add our feature layer to the map
const militaryOps = L.esri.featureLayer({
url: 'http://sampleserver6.arcgisonline.com/arcgis/rest/services/Military/FeatureServer/3'
}).addTo(map);
// when the map is clicked, add a new feature
map.on('click', function(e) {
// convert to GeoJSON
let feat = L.marker(e.latlng).toGeoJSON();
// set the attribute value that controls the feature service symbology
feat.properties.symbolname = symbols.value;
// make a request to add the new feature to the feature service.
militaryOps.addFeature(feat, function (err, response) {
console.log(response);
});
});
// when a marker is clicked, remove the feature from the service, using its id
militaryOps.on('click', function(e) {
militaryOps.deleteFeature(e.layer.feature.id, function (err, response) {
console.log(response);
});
// make sure map click event isn't fired.
L.DomEvent.stopPropagation(e);
});
</script>
</body>
</html>
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