carto.js/examples/public/layers/change-feature-columns-gmaps.html
2020-06-13 18:34:34 +08:00

118 lines
3.4 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<title>Change feature columns | CARTO</title>
<meta name="viewport" content="initial-scale=1.0">
<meta charset="utf-8">
<link href="https://fonts.googleapis.com/css?family=Montserrat:400,600,700|Open+Sans:300,400,600" rel="stylesheet">
<!-- Include Google Maps -->
<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyDpVNTQI60ossApFzZ3dwSMZ1LcxOTY-rI&v=3.35"></script>
<!-- Include CARTO.js -->
<script src="../../../dist/public/carto.js"></script>
<link href="../style.css" rel="stylesheet">
</head>
<body>
<div id="map">
</div>
<!-- Description -->
<aside class="toolbox">
<div class="box">
<header>
<h1>Change the feature columns</h1>
<button class="github-logo js-source-link"></button>
</header>
<section>
<p class="description open-sans">Change the columns returned in the feature event.</p>
<div class="separator"></div>
<section class="usage">
<header>USAGE</header>
<p class="open-sans">Click on the markers</p>
</section>
<div id="controls">
<ul class="actions">
<li>
<input id="red" type="radio" name="style" onclick="setMoreData()">
<label for="red">More data</label>
</li>
<li>
<input id="green" type="radio" name="style" onclick="setLessData()" checked>
<label for="green">Less data</label>
</li>
</ul>
<div id="info"></div>
</div>
</section>
<footer class="js-footer"></footer>
</div>
</aside>
<script>
var map = new google.maps.Map(document.getElementById('map'), {
center: { lat: 30, lng: 0 },
zoom: 3,
fullscreenControl: false,
gestureHandling: 'cooperative'
});
// Hide the map labels and geometry strokes
map.set('styles', [{
elementType: 'labels',
stylers: [{ visibility: 'off' }]
}, {
elementType: 'geometry.stroke',
stylers: [{ visibility: 'off' }]
}]);
const client = new carto.Client({
apiKey: 'default_public',
username: 'cartojs-test'
});
const source = new carto.source.Dataset('ne_10m_populated_places_simple');
const style = new carto.style.CartoCSS(`
#layer {
marker-width: 7;
marker-fill: #EE4D5A;
marker-line-color: #FFFFFF;
}
`);
const layer = new carto.layer.Layer(source, style, {
featureClickColumns: ['name']
});
client.addLayer(layer);
map.overlayMapTypes.push(client.getGoogleMapsMapType(map));
layer.on('featureClicked', featureEvent => {
let content = '';
if (featureEvent.data.name) {
content += `<h3>${featureEvent.data.name.toUpperCase()}</h3>`;
}
if (featureEvent.data.pop_max) {
content += `<p class="open-sans">${featureEvent.data.pop_max} <span>max inhabitants</span></p>`;
}
if (featureEvent.data.pop_min) {
content += `<p class="open-sans">${featureEvent.data.pop_min} <span>min inhabitants</span></p>`;
}
document.getElementById('info').innerHTML = content;
});
function setMoreData() {
layer.setFeatureClickColumns(['name', 'pop_max', 'pop_min']);
document.getElementById('info').innerHTML = '';
}
function setLessData() {
layer.setFeatureClickColumns(['name']);
document.getElementById('info').innerHTML = '';
}
</script>
</body>
</html>