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| <!DOCTYPE html>
<html>
<head>
<title>Submission form</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<link rel="stylesheet" href="/Leaflet/leaflet/css/leaflet.css">
<script src="/Leaflet/leaflet/js/leaflet.js"></script>
<link rel="stylesheet" href="/Leaflet/leaflet/css/leaflet.draw.css">
<script src="/Leaflet/leaflet/js/leaflet.draw.js"></script>
<style>
body {
padding: 0;
margin: 0;
}
html, body, #map {
height: 100%;
width: 100%;
}
#delete, #export {
position: absolute;
top:50px;
right:10px;
z-index:400;
background:white;
color:black;
padding:6px;
border-radius:4px;
font-family: 'Helvetica Neue';
cursor: pointer;
font-size:12px;
text-decoration:none;
}
#export {
top:90px;
}
</style>
</head>
<body>
<div id='map'></div>
<div id='delete'>Delete Features</div>
<a href='#' id='export'>Export Features</a>
<script>
// Add map and tile layer
let map = L.map("map", {center: [30, -8], zoom: 7});
L.tileLayer(
"https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png",
{attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>'}
).addTo(map);
// Create feature group for drawn items & layer group for previously drawn items
let drawnItems = L.featureGroup().addTo(map);
let cartoData = L.layerGroup().addTo(map);
// Add draw control
new L.Control.Draw({
draw : {
polygon : false,
polyline : false,
rectangle : false, // Rectangles disabled
circle : false, // Circles disabled
circlemarker : false, // Circle markers disabled
marker: true
},
edit : {
featureGroup: drawnItems
}
}).addTo(map);
// On draw - create editable popup
map.addEventListener("draw:created", function(e) {
e.layer.addTo(drawnItems);
createFormPopup();
});
// On edit or delete - Close popup
map.addEventListener("draw:editstart", function(e) {
drawnItems.closePopup();
});
map.addEventListener("draw:deletestart", function(e) {
drawnItems.closePopup();
});
map.addEventListener("draw:editstop", function(e) {
drawnItems.openPopup();
});
map.addEventListener("draw:deletestop", function(e) {
if(drawnItems.getLayers().length > 0) {
drawnItems.openPopup();
}
});
// Create editable popup
function createFormPopup() {
let popupContent =
'<form>' +
'Name:<br><input type="text" id="input_name"><br>' +
'Description:<br><input type="text" id="input_desc"><br>' +
'<input type="button" value="Valider" id="submit">' +
'</form>';
drawnItems.bindPopup(popupContent).openPopup();
document.getElementById("submit").addEventListener("click", setData);
}
// Submission - Sending to CARTO
function setData() {
// Get user name and description
let enteredUsername = document.getElementById("input_name").value;
let enteredDescription = document.getElementById("input_desc").value;
// For each drawn layer
drawnItems.eachLayer(function(layer) {
// Transfer submitted drawing to the CARTO layer
let newData = layer.toGeoJSON();
newData.properties.description = enteredDescription;
newData.properties.name = enteredUsername;
L.geoJSON(newData, {onEachFeature: addPopup}).addTo(cartoData);
});
// Clear drawn items layer
drawnItems.closePopup();
drawnItems.clearLayers();
}
function addPopup(feature, layer) {
layer.bindPopup(
"Nom: " + feature.properties.name + "<br>Description: " + feature.properties.description
);
}
// on click, clear all layers
document.getElementById('delete').onclick = function(e) {
cartoData.clearLayers();
}
document.getElementById('export').onclick = function(e) {
// Extract GeoJson from featureGroup
var data = cartoData.toGeoJSON();
// Stringify the GeoJson
var convertedData = 'text/json;charset=utf-8,' + encodeURIComponent(JSON.stringify(data));
// Create export
document.getElementById('export').setAttribute('href', 'data:' + convertedData);
document.getElementById('export').setAttribute('download','data.geojson');
}
</script>
</body>
</html> |
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