To get this to compile with the examples, typecasts have to be added to Map renderer options.
49 lines
1.1 KiB
JavaScript
49 lines
1.1 KiB
JavaScript
goog.require('ol.Map');
|
|
goog.require('ol.View');
|
|
goog.require('ol.events.condition');
|
|
goog.require('ol.format.GeoJSON');
|
|
goog.require('ol.interaction.Extent');
|
|
goog.require('ol.layer.Tile');
|
|
goog.require('ol.layer.Vector');
|
|
goog.require('ol.source.OSM');
|
|
goog.require('ol.source.Vector');
|
|
|
|
var vectorSource = new ol.source.Vector({
|
|
url: 'data/geojson/countries.geojson',
|
|
format: new ol.format.GeoJSON()
|
|
});
|
|
|
|
var map = new ol.Map({
|
|
layers: [
|
|
new ol.layer.Tile({
|
|
source: new ol.source.OSM()
|
|
}),
|
|
new ol.layer.Vector({
|
|
source: vectorSource
|
|
})
|
|
],
|
|
target: 'map',
|
|
view: new ol.View({
|
|
center: [0, 0],
|
|
zoom: 2
|
|
})
|
|
});
|
|
|
|
var extent = new ol.interaction.Extent({
|
|
condition: ol.events.condition.platformModifierKeyOnly
|
|
});
|
|
map.addInteraction(extent);
|
|
extent.setActive(false);
|
|
|
|
//Enable interaction by holding shift
|
|
this.addEventListener('keydown', function(event) {
|
|
if (event.keyCode == 16) {
|
|
extent.setActive(true);
|
|
}
|
|
});
|
|
this.addEventListener('keyup', function(event) {
|
|
if (event.keyCode == 16) {
|
|
extent.setActive(false);
|
|
}
|
|
});
|