7bfa15c0fd
The singleclick event makes the application feel slow because of the 250 ms delay that is used to rule out a dblclick.
74 lines
1.5 KiB
JavaScript
74 lines
1.5 KiB
JavaScript
goog.require('ol.Map');
|
|
goog.require('ol.Overlay');
|
|
goog.require('ol.View2D');
|
|
goog.require('ol.coordinate');
|
|
goog.require('ol.layer.Tile');
|
|
goog.require('ol.proj');
|
|
goog.require('ol.source.TileJSON');
|
|
|
|
|
|
/**
|
|
* Elements that make up the popup.
|
|
*/
|
|
var container = document.getElementById('popup');
|
|
var content = document.getElementById('popup-content');
|
|
var closer = document.getElementById('popup-closer');
|
|
|
|
|
|
/**
|
|
* Add a click handler to hide the popup.
|
|
* @return {boolean} Don't follow the href.
|
|
*/
|
|
closer.onclick = function() {
|
|
container.style.display = 'none';
|
|
closer.blur();
|
|
return false;
|
|
};
|
|
|
|
|
|
/**
|
|
* Create an overlay to anchor the popup to the map.
|
|
*/
|
|
var overlay = new ol.Overlay({
|
|
element: container
|
|
});
|
|
|
|
|
|
/**
|
|
* Create the map.
|
|
*/
|
|
var map = new ol.Map({
|
|
layers: [
|
|
new ol.layer.Tile({
|
|
source: new ol.source.TileJSON({
|
|
url: 'http://api.tiles.mapbox.com/v3/' +
|
|
'mapbox.natural-earth-hypso-bathy.jsonp',
|
|
crossOrigin: 'anonymous'
|
|
})
|
|
})
|
|
],
|
|
renderer: exampleNS.getRendererFromQueryString(),
|
|
overlays: [overlay],
|
|
target: 'map',
|
|
view: new ol.View2D({
|
|
center: [0, 0],
|
|
zoom: 2
|
|
})
|
|
});
|
|
|
|
|
|
/**
|
|
* Add a click handler to the map to render the popup.
|
|
*/
|
|
map.on('click', function(evt) {
|
|
var coordinate = evt.coordinate;
|
|
var hdms = ol.coordinate.toStringHDMS(ol.proj.transform(
|
|
coordinate, 'EPSG:3857', 'EPSG:4326'));
|
|
|
|
overlay.setPosition(coordinate);
|
|
content.innerHTML = '<p>You clicked here:</p><code>' + hdms +
|
|
'</code>';
|
|
container.style.display = 'block';
|
|
|
|
});
|