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DataSource and Shape events.html
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DataSource and Shape events.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>DataSource and Shape events - Azure Maps Web SDK Samples</title>
<meta charset="utf-8" />
<link rel="shortcut icon" href="/favicon.ico"/>
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
<meta name="description" content="This sample shows how to the DataSource and Shape events work." />
<meta name="keywords" content="Microsoft maps, map, gis, API, SDK, events, data source, datasource, shapes" />
<meta name="author" content="Microsoft Azure Maps" /><meta name="version" content="1.0" />
<meta name="screenshot" content="screenshot.jpg" />
<!-- Add references to the Azure Maps Map control JavaScript and CSS files. -->
<link href="https://atlas.microsoft.com/sdk/javascript/mapcontrol/3/atlas.min.css" rel="stylesheet" />
<script src="https://atlas.microsoft.com/sdk/javascript/mapcontrol/3/atlas.min.js"></script>
<script>
var map, datasource, datasources = [],
sourceEvents = ['sourceadded', 'sourceremoved'],
dsEvents = ['datasourceupdated', 'dataadded', 'dataremoved'],
shapeEvents = ['shapechanged'];
function GetMap() {
//Initialize a map instance.
map = new atlas.Map('myMap', {
view: 'Auto',
//Add authentication details for connecting to Azure Maps.
authOptions: {
//Use Azure Active Directory authentication.
authType: 'anonymous',
clientId: 'e6b6ab59-eb5d-4d25-aa57-581135b927f0', //Your Azure Maps client id for accessing your Azure Maps account.
getToken: function (resolve, reject, map) {
//URL to your authentication service that retrieves an Azure Active Directory Token.
var tokenServiceUrl = "https://samples.azuremaps.com/api/GetAzureMapsToken";
fetch(tokenServiceUrl).then(r => r.text()).then(token => resolve(token));
}
//Alternatively, use an Azure Maps key. Get an Azure Maps key at https://azure.com/maps. NOTE: The primary key should be used as the key.
//authType: 'subscriptionKey',
//subscriptionKey: '[YOUR_AZURE_MAPS_KEY]'
}
});
//Wait until the map resources are ready.
map.events.add('ready', function () {
//Create a data source and add it to the map.
datasource = new atlas.source.DataSource();
//Add the events to the datasource.
for (var i = 0; i < dsEvents.length; i++) {
map.events.add(dsEvents[i], datasource, createHighlightEvent(dsEvents[i]));
//Add a div to highlight the event.
document.getElementById('eventPanel').innerHTML += '<div id="' + dsEvents[i] + '">' + dsEvents[i] + '</div>';
}
//Add the events to the datasource.
for (var i = 0; i < sourceEvents.length; i++) {
map.events.add(sourceEvents[i], datasource, createHighlightEvent(sourceEvents[i]));
//Add a div to highlight the event.
document.getElementById('eventPanel').innerHTML += '<div id="' + sourceEvents[i] + '">' + sourceEvents[i] + '</div>';
}
document.getElementById('eventPanel').innerHTML += '<br/><b>Shape events:</b><br/>';
//Add monitor for the shape events.
for (var i = 0; i < shapeEvents.length; i++) {
//Add a div to highlight the event.
document.getElementById('eventPanel').innerHTML += '<div id="' + shapeEvents[i] + '">' + shapeEvents[i] + '</div>';
}
map.sources.add(datasource);
//Create a layer to render point data.
var layer = new atlas.layer.BubbleLayer(datasource, null, {
createIndicators: true, // to enable bubble layer a11y feature
color: ['get', 'color']
});
map.layers.add(layer);
addShape();
});
}
function createHighlightEvent(eventType) {
return function (e) {
//Highlight the div to indicate that the event has fired.
document.getElementById(eventType).style.background = 'LightGreen';
//Remove the highlighting after a second.
setTimeout(function () { document.getElementById(eventType).style.background = 'white'; }, 1000);
}
}
function addShape() {
var shape = new atlas.Shape(new atlas.data.Point([Math.random() * 360 - 180, Math.random() * 170 - 85]), null, {
color: 'blue'
});
//Add events to the shape
for (var i = 0; i < shapeEvents.length; i++) {
map.events.add(shapeEvents[i], shape, createHighlightEvent(shapeEvents[i]));
}
datasource.add(shape);
}
function removeShape() {
var s = datasource.getShapes();
if (s.length > 0) {
datasource.remove(s.length - 1);
}
}
function modifyShape() {
var s = datasource.getShapes();
if (s.length > 0) {
var shape = s[s.length - 1];
//Change the color property of the shape to a random value.
shape.setProperties({
color: "#000000".replace(/0/g, function () { return (~~(Math.random() * 16)).toString(16); })
});
}
}
function updateDataSourceOptions() {
//Toggle the cluster property to force an update.
datasource.setOptions({ cluster: !datasource.getOptions().cluster })
}
function addADataSource() {
var ds = new atlas.source.DataSource();
datasources.push(ds);
//Add the events to the datasource.
for (var i = 0; i < sourceEvents.length; i++) {
map.events.add(sourceEvents[i], ds, createHighlightEvent(sourceEvents[i]));
}
map.events.add(['sourceadded', 'sourceremoved'], ds, createHighlightEvent(dsEvents[i]));
map.sources.add(ds);
}
function removeADataSource() {
if (datasources.length > 0) {
var ds = datasources.pop();
map.sources.remove(ds);
}
}
</script>
</head>
<body onload="GetMap()">
<div id="myMap" style="position:relative;width:100%;min-width:290px;height:600px;"></div>
<div id="eventPanel" style="position:absolute;top:0;left:0;background-color:white;padding:10px;"><b>Data Source events:</b><br/></div>
<div style="position:absolute;top:10px;right:10px;">
<input type="button" value="Update data source options" onclick="updateDataSourceOptions()" /><br />
<input type="button" value="Add a data source" onclick="addADataSource()" /><br />
<input type="button" value="Remove a data source" onclick="removeADataSource()" /><br />
<input type="button" value="Add shape" onclick="addShape()" /><br />
<input type="button" value="Remove shape" onclick="removeShape()" /><br />
<input type="button" value="Modify shape" onclick="modifyShape()" /><br />
</div>
<fieldset style="width:calc(100% - 30px);min-width:290px;margin-top:10px;">
<legend>DataSource and Shape events</legend>
This sample shows how to the DataSource and Shape events work.
</fieldset>
</body>
</html>