window.onload = function() {
var markerUrl = "https://js.devexpress.com/Demos/RealtorApp/images/map-marker.png",
markerUrlValue = ko.observable(markerUrl),
markersData = [{
location: [40.755833, -73.986389],
tooltip: {
text: "Times Square",
isShown: false
}
}, {
location: "40.7825, -73.966111",
tooltip: {
text: "Central Park",
isShown: false
}
}, {
location: { lat: 40.753889, lng: -73.981389},
tooltip: {
text: "Fifth Avenue",
isShown: false
}
}, {
location: "Brooklyn Bridge,New York,NY",
tooltip: {
text: "Brooklyn Bridge",
isShown: false
}
}
],
markers = ko.observableArray(markersData);
var viewModel = {
mapOptions: {
provider: "bing",
zoom: 11,
height: 440,
width: "100%",
controls: true,
markerIconSrc: markerUrlValue,
markers: markers
},
useCustomMarkersOptions: {
value: true,
text: "Use custom marker icons",
onValueChanged: function(data) {
markers(markersData);
markerUrlValue(data.value ? markerUrl : null);
}
},
showTooltipsOptions: {
text: "Show all tooltips",
onClick: function() {
markers(markersData.map(function(item) {
return $.extend(true, {}, item, { tooltip: { isShown: true } });
}));
}
}
};
ko.applyBindings(viewModel, document.getElementById("map-demo"));
};
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>DevExtreme Demo</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" />
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.2/knockout-min.js"></script>
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.6/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.6/css/dx.light.css" />
<script src="https://cdn3.devexpress.com/jslib/20.2.6/js/dx.all.js"></script>
<link rel="stylesheet" type="text/css" href="styles.css" />
<script src="index.js"></script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="map-demo">
<div data-bind="dxMap: mapOptions"></div>
<div class="options">
<div class="caption">Options</div>
<div class="option">
<div id="use-custom-markers" data-bind="dxCheckBox: useCustomMarkersOptions"></div>
</div>
<div class="option">
<div id="show-tooltips" data-bind="dxButton: showTooltipsOptions"></div>
</div>
</div>
</div>
</div>
</body>
</html>
.options {
padding: 20px;
background-color: rgba(191, 191, 191, 0.15);
margin-top: 20px;
}
.caption {
font-size: 18px;
font-weight: 500;
}
.option {
margin-top: 10px;
}