Example of a attributions visibily change on map resize, to collapse them on small maps.
When the map gets too small because of a resize, the attribution will be collapsed. This is because the collapsible
option is set to true if the width of the map gets smaller than 600 pixels.
<!DOCTYPE html>
<html>
<head>
<title>Attributions example</title>
<script src="https://code.jquery.com/jquery-1.11.2.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="http://openlayers.org/en/v3.9.0/css/ol.css" type="text/css">
<script src="http://openlayers.org/en/v3.9.0/build/ol.js"></script>
</head>
<body>
<div class="container-fluid">
<div class="row-fluid">
<div class="span12">
<div id="map" class="map"></div>
</div>
</div>
</div>
<script>
var attribution = new ol.control.Attribution({
collapsible: false
});
var map = new ol.Map({
layers: [
new ol.layer.Tile({
source: new ol.source.OSM()
})
],
controls: ol.control.defaults({ attribution: false }).extend([attribution]),
target: 'map',
view: new ol.View({
center: [0, 0],
zoom: 2
})
});
function checkSize() {
var small = map.getSize()[0] < 600;
attribution.setCollapsible(small);
attribution.setCollapsed(small);
}
window.addEventListener('resize', checkSize);
checkSize();
</script>
</body>
</html>