202 lines
6.3 KiB
HTML
202 lines
6.3 KiB
HTML
<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<title>Error handling | CARTO</title>
|
|
<meta name="viewport" content="initial-scale=1.0">
|
|
<meta charset="utf-8">
|
|
<link href='https://fonts.googleapis.com/css?family=Open+Sans:300,400,600,700' rel='stylesheet' type='text/css'>
|
|
<link href='https://fonts.googleapis.com/css?family=Open+Sans:300,400,600,700' rel='stylesheet' type='text/css'>
|
|
<!-- 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>
|
|
<aside class="toolbox">
|
|
<div class="box">
|
|
<header>
|
|
<h1>Error handling</h1>
|
|
<button class="github-logo js-source-link"></button>
|
|
</header>
|
|
<section>
|
|
<p class="description open-sans">Handle common errors in maps.</p>
|
|
<div class="separator"></div>
|
|
<section class="usage">
|
|
<header>USAGE</header>
|
|
<p class="open-sans">In this example we handle the client error while calling the `addLayer` funciton.</p>
|
|
<p class="open-sans">See `refreshLayer` function in the source code for an example on how to handle Promise errors.</p>
|
|
</section>
|
|
<div id="controls">
|
|
<div id="info">
|
|
<p class="mt-16 open-sans"></p>
|
|
</div>
|
|
</div>
|
|
</section>
|
|
<footer class="js-footer"></footer>
|
|
</div>
|
|
|
|
<div class="box widget">
|
|
<h2 class="h2">DATASET</h2>
|
|
<textarea id="dataset-value" rows=2></textarea>
|
|
<button id="dataset-button" class="button" onclick="updateDataset()">SET WRONG DATASET</button>
|
|
</div>
|
|
|
|
<div class="box widget">
|
|
<h2 class="h2">STYLE</h2>
|
|
<textarea id="style-value" rows="3"></textarea>
|
|
<button id="style-button" class="button" onclick="updateStyle()">UPDATE STYLE</button>
|
|
</div>
|
|
</aside>
|
|
|
|
<script>
|
|
// Setting up a Google Maps Map
|
|
var map = new google.maps.Map(document.getElementById('map'), {
|
|
center: { lat: 50, lng: 15 },
|
|
zoom: 4,
|
|
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'
|
|
});
|
|
|
|
// State
|
|
const state = {
|
|
isDatasetValid: true,
|
|
isStyleValid: true,
|
|
errorMessage: '',
|
|
updating: false
|
|
};
|
|
|
|
// Datasets
|
|
const validDataset = 'ne_10m_populated_places_simple';
|
|
const wrongDataset = 'wrong_dataset';
|
|
|
|
// Style
|
|
const validStyle = '#layer { marker-fill: red; }';
|
|
const wrongStyle = '#layer { marker-fill: wrong-color; }';
|
|
|
|
let source = new carto.source.Dataset(validDataset);
|
|
let style = new carto.style.CartoCSS(validStyle);
|
|
let layer = new carto.layer.Layer(source, style);
|
|
|
|
// Adding the layers to the map
|
|
client.addLayer(layer);
|
|
map.overlayMapTypes.push(client.getGoogleMapsMapType(map));
|
|
|
|
updateUI();
|
|
|
|
function refreshLayer(layer) {
|
|
client.addLayer(layer)
|
|
.then(function () {
|
|
state.errorMessage = '';
|
|
state.updating = false;
|
|
updateUI();
|
|
})
|
|
.catch(function (error) {
|
|
state.errorMessage = error.message;
|
|
state.updating = false;
|
|
updateUI();
|
|
});
|
|
}
|
|
|
|
function updateDataset() {
|
|
client.removeLayer(layer);
|
|
|
|
state.isDatasetValid = !state.isDatasetValid;
|
|
state.updating = true;
|
|
|
|
const dataset = state.isDatasetValid
|
|
? validDataset
|
|
: wrongDataset;
|
|
|
|
updateUI();
|
|
|
|
source = new carto.source.Dataset(dataset);
|
|
layer = new carto.layer.Layer(source, style);
|
|
refreshLayer(layer);
|
|
}
|
|
|
|
function updateStyle() {
|
|
client.removeLayer(layer);
|
|
|
|
state.isStyleValid = !state.isStyleValid;
|
|
state.updating = true;
|
|
|
|
const styleContent = state.isStyleValid
|
|
? validStyle
|
|
: wrongStyle;
|
|
|
|
updateUI();
|
|
|
|
style = new carto.style.CartoCSS(styleContent);
|
|
layer = new carto.layer.Layer(source, style);
|
|
refreshLayer(layer);
|
|
}
|
|
|
|
function updateUI() {
|
|
const datasetValueEl = document.getElementById('dataset-value');
|
|
const styleValueEl = document.getElementById('style-value');
|
|
const datasetButtonEl = document.getElementById('dataset-button');
|
|
const styleButtonEl = document.getElementById('style-button');
|
|
const panelEl = document.querySelector('#info p');
|
|
|
|
datasetValueEl.value = state.isDatasetValid
|
|
? validDataset
|
|
: wrongDataset;
|
|
|
|
styleValueEl.value = state.isStyleValid
|
|
? validStyle
|
|
: wrongStyle;
|
|
|
|
datasetButtonEl.textContent = state.isDatasetValid
|
|
? 'Set wrong dataset'
|
|
: 'Revert to a valid dataset';
|
|
|
|
styleButtonEl.textContent = state.isStyleValid
|
|
? 'Set wrong style'
|
|
: 'Revert to a valid style';
|
|
|
|
panelEl.textContent = state.updating
|
|
? 'Updating...'
|
|
: state.errorMessage
|
|
? state.errorMessage
|
|
: 'Everything OK';
|
|
|
|
if (state.updating) {
|
|
panelEl.classList.remove('bg-red');
|
|
panelEl.classList.remove('bg-white');
|
|
panelEl.classList.add('bg-orange');
|
|
panelEl.classList.add('p-8');
|
|
panelEl.classList.add('text-white');
|
|
} else if (state.errorMessage) {
|
|
panelEl.classList.add('bg-red');
|
|
panelEl.classList.remove('bg-white');
|
|
panelEl.classList.remove('bg-orange');
|
|
panelEl.classList.add('p-8');
|
|
panelEl.classList.add('text-white');
|
|
} else {
|
|
panelEl.classList.add('bg-white');
|
|
panelEl.classList.remove('bg-red');
|
|
panelEl.classList.remove('bg-orange');
|
|
panelEl.classList.remove('p-8');
|
|
panelEl.classList.remove('text-white');
|
|
}
|
|
}
|
|
</script>
|
|
</body>
|
|
</html>
|