Marker Click Event
Listen to this event to get the marker associated attributes.
Example
Marker Click Event
const markers: woosmap.map.Marker[] = [];
let markerSelected: woosmap.map.Marker;
const data = {
megaCities: [
{
latlng: "35.700556,139.715",
cityName: "Tokyo",
citizens: "37,400,000",
},
{
latlng: "23.133333,113.266667",
cityName: "Guangzhou",
citizens: "24,900,000",
},
{
latlng: "37.566535,126.9779692",
cityName: "Seoul",
citizens: "24,500,000",
},
{
latlng: "28.635308,77.22496",
cityName: "Delhi",
citizens: "23,900,000",
},
{
latlng: "19.0176147,72.8561644",
cityName: "Mumbai",
citizens: "23,300,000",
},
{
latlng: "19.4326077,-99.133208",
cityName: "Mexico City",
citizens: "22,800,000",
},
{
latlng: "40.7143528,-74.00597",
cityName: "New York City",
citizens: "22,200,000",
},
{
latlng: "-23.5489433,-46.6388182",
cityName: "São Paulo",
citizens: "20,800,000",
},
{
latlng: "14.5995124,120.9842195",
cityName: "Manila",
citizens: "20,100,000",
},
{
latlng: "31.230393,121.473704",
cityName: "Shanghai",
citizens: "18,800,000",
},
{
latlng: "-6.211544,106.845172",
cityName: "Jakarta",
citizens: "18,700,000",
},
{
latlng: "34.0522342,-118.2436849",
cityName: "Los Angeles",
citizens: "17,900,000",
},
{
latlng: "24.893379,67.02806",
cityName: "Karachi",
citizens: "16,900,000",
},
{
latlng: "34.6937378,135.5021651",
cityName: "Osaka",
citizens: "16,800,000",
},
{
latlng: "22.572646,88.363895",
cityName: "Kolkata",
citizens: "16,600,000",
},
{
latlng: "30.064742,31.249509",
cityName: "Cairo",
citizens: "15,300,000",
},
{
latlng: "-34.6084175,-58.3731613",
cityName: "Buenos Aires",
citizens: "14,800,000",
},
{
latlng: "55.755786,37.617633",
cityName: "Moscow",
citizens: "14,800,000",
},
{
latlng: "23.709921,90.407143",
cityName: "Dhaka",
citizens: "14,000,000",
},
{
latlng: "39.904214,116.407413",
cityName: "Beijing",
citizens: "13,900,000",
},
{
latlng: "35.6961111,51.4230556",
cityName: "Tehran",
citizens: "13,100,000",
},
{
latlng: "41.00527,28.97696",
cityName: "Istanbul",
citizens: "13,000,000",
},
{
latlng: "51.5001524,-0.1262362",
cityName: "London",
citizens: "12,500,000",
},
{
latlng: "-22.9035393,-43.2095869",
cityName: "Rio de Janeiro",
citizens: "12,500,000",
},
{
latlng: "6.4530556,3.3958333",
cityName: "Lagos",
citizens: "12,100,000",
},
{
latlng: "48.856614,2.3522219",
cityName: "Paris",
citizens: "11,000,000",
},
],
};
function initMap(): void {
const center: woosmap.map.LatLngLiteral = { lat: 40.0, lng: 0.0 };
const iconCity: woosmap.map.Icon = {
url: "https://images.woosmap.com/icons/pin-red.png",
scaledSize: { height: 38, width: 26 },
};
const iconSelectedCity: woosmap.map.Icon = {
url: "https://images.woosmap.com/icons/pin-green.png",
scaledSize: { height: 38, width: 26 },
};
const map = new woosmap.map.Map(
document.getElementById("map") as HTMLElement,
{
zoom: 0,
center: center,
},
);
data.megaCities.forEach((cityData) => {
const latlng = {
lat: parseFloat(cityData.latlng.split(",")[0]),
lng: parseFloat(cityData.latlng.split(",")[1]),
};
const markerCity = new woosmap.map.Marker({
position: latlng,
icon: iconCity,
});
markerCity.setMap(map);
markerCity.addListener("click", () =>
handleMarkerClick(markerCity, cityData),
);
markers.push(markerCity);
});
const handleMarkerClick = (
marker: woosmap.map.Marker,
cityData: Record<string, string>,
) => {
if (markerSelected) {
markerSelected.setIcon(iconCity);
}
markerSelected = marker;
marker.setIcon(iconSelectedCity);
const infoElement = document.getElementById("info") as HTMLElement;
infoElement.innerHTML = `<strong>${cityData.cityName}</strong><span>: ${cityData.citizens}</span>`;
};
}
declare global {
interface Window {
initMap: () => void;
}
}
window.initMap = initMap;
const markers = [];
let markerSelected;
const data = {
megaCities: [
{
latlng: "35.700556,139.715",
cityName: "Tokyo",
citizens: "37,400,000",
},
{
latlng: "23.133333,113.266667",
cityName: "Guangzhou",
citizens: "24,900,000",
},
{
latlng: "37.566535,126.9779692",
cityName: "Seoul",
citizens: "24,500,000",
},
{
latlng: "28.635308,77.22496",
cityName: "Delhi",
citizens: "23,900,000",
},
{
latlng: "19.0176147,72.8561644",
cityName: "Mumbai",
citizens: "23,300,000",
},
{
latlng: "19.4326077,-99.133208",
cityName: "Mexico City",
citizens: "22,800,000",
},
{
latlng: "40.7143528,-74.00597",
cityName: "New York City",
citizens: "22,200,000",
},
{
latlng: "-23.5489433,-46.6388182",
cityName: "São Paulo",
citizens: "20,800,000",
},
{
latlng: "14.5995124,120.9842195",
cityName: "Manila",
citizens: "20,100,000",
},
{
latlng: "31.230393,121.473704",
cityName: "Shanghai",
citizens: "18,800,000",
},
{
latlng: "-6.211544,106.845172",
cityName: "Jakarta",
citizens: "18,700,000",
},
{
latlng: "34.0522342,-118.2436849",
cityName: "Los Angeles",
citizens: "17,900,000",
},
{
latlng: "24.893379,67.02806",
cityName: "Karachi",
citizens: "16,900,000",
},
{
latlng: "34.6937378,135.5021651",
cityName: "Osaka",
citizens: "16,800,000",
},
{
latlng: "22.572646,88.363895",
cityName: "Kolkata",
citizens: "16,600,000",
},
{
latlng: "30.064742,31.249509",
cityName: "Cairo",
citizens: "15,300,000",
},
{
latlng: "-34.6084175,-58.3731613",
cityName: "Buenos Aires",
citizens: "14,800,000",
},
{
latlng: "55.755786,37.617633",
cityName: "Moscow",
citizens: "14,800,000",
},
{
latlng: "23.709921,90.407143",
cityName: "Dhaka",
citizens: "14,000,000",
},
{
latlng: "39.904214,116.407413",
cityName: "Beijing",
citizens: "13,900,000",
},
{
latlng: "35.6961111,51.4230556",
cityName: "Tehran",
citizens: "13,100,000",
},
{
latlng: "41.00527,28.97696",
cityName: "Istanbul",
citizens: "13,000,000",
},
{
latlng: "51.5001524,-0.1262362",
cityName: "London",
citizens: "12,500,000",
},
{
latlng: "-22.9035393,-43.2095869",
cityName: "Rio de Janeiro",
citizens: "12,500,000",
},
{
latlng: "6.4530556,3.3958333",
cityName: "Lagos",
citizens: "12,100,000",
},
{
latlng: "48.856614,2.3522219",
cityName: "Paris",
citizens: "11,000,000",
},
],
};
function initMap() {
const center = { lat: 40.0, lng: 0.0 };
const iconCity = {
url: "https://images.woosmap.com/icons/pin-red.png",
scaledSize: { height: 38, width: 26 },
};
const iconSelectedCity = {
url: "https://images.woosmap.com/icons/pin-green.png",
scaledSize: { height: 38, width: 26 },
};
const map = new woosmap.map.Map(document.getElementById("map"), {
zoom: 0,
center: center,
});
data.megaCities.forEach((cityData) => {
const latlng = {
lat: parseFloat(cityData.latlng.split(",")[0]),
lng: parseFloat(cityData.latlng.split(",")[1]),
};
const markerCity = new woosmap.map.Marker({
position: latlng,
icon: iconCity,
});
markerCity.setMap(map);
markerCity.addListener("click", () =>
handleMarkerClick(markerCity, cityData),
);
markers.push(markerCity);
});
const handleMarkerClick = (marker, cityData) => {
if (markerSelected) {
markerSelected.setIcon(iconCity);
}
markerSelected = marker;
marker.setIcon(iconSelectedCity);
const infoElement = document.getElementById("info");
infoElement.innerHTML = `<strong>${cityData.cityName}</strong><span>: ${cityData.citizens}</span>`;
};
}
window.initMap = initMap;
/*
* Always set the map height explicitly to define the size of the div element
* that contains the map.
*/
#map {
height: 100%;
}
/*
* Optional: Makes the sample page fill the window.
*/
html,
body {
height: 100%;
margin: 0;
padding: 0;
font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Helvetica Neue, Arial, Noto Sans, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol, Noto Color Emoji;
}
#info {
max-width: 300px;
position: absolute;
top: 0;
left: 0;
background-color: #fff;
border-radius: 3px;
box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.1);
margin: 10px;
padding: 5px;
overflow: hidden;
z-index: 1;
}
<html>
<head>
<title>Marker Click Event</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta charset="utf-8" />
<link rel="stylesheet" type="text/css" href="./style.css" />
<script type="module" src="./index.js"></script>
</head>
<body>
<div id="info">Click on a marker to display attributes here</div>
<div id="map"></div>
<script
src="https://sdk.woosmap.com/map/map.js?key=woos-48c80350-88aa-333e-835a-07f4b658a9a4&callback=initMap"
defer
></script>
</body>
</html>
Running the Sample Locally
Before you can run this sample on your local machine, you need to have Git and Node.js installed. If they’re not already installed, follow these instructions to get them set up.
Once you have Git and Node.js installed, you can run the sample by following these steps:
-
Clone the repository and navigate to the directory of the sample.
-
Install the necessary dependencies.
-
Start running the sample.
Here are the commands you can use in your terminal to do this:
git clone -b sample/marker-click-event https://github.com/woosmap/js-samples.git
cd js-samples
npm i
npm start
You can experiment with other samples by switching to any branch that starts with the pattern sample/SAMPLE_NAME.
git checkout sample/SAMPLE_NAME
npm i
npm start
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