Example sources in the examples dir

examples/draw-features.js

@@ -0,0 +1,72 @@
+goog.require('ol.Map');
+goog.require('ol.View');
+goog.require('ol.interaction.Draw');
+goog.require('ol.layer.Tile');
+goog.require('ol.layer.Vector');
+goog.require('ol.source.MapQuest');
+goog.require('ol.source.Vector');
+goog.require('ol.style.Circle');
+goog.require('ol.style.Fill');
+goog.require('ol.style.Stroke');
+goog.require('ol.style.Style');
+
+var raster = new ol.layer.Tile({
+  source: new ol.source.MapQuest({layer: 'sat'})
+});
+
+var source = new ol.source.Vector();
+
+var vector = new ol.layer.Vector({
+  source: source,
+  style: new ol.style.Style({
+    fill: new ol.style.Fill({
+      color: 'rgba(255, 255, 255, 0.2)'
+    }),
+    stroke: new ol.style.Stroke({
+      color: '#ffcc33',
+      width: 2
+    }),
+    image: new ol.style.Circle({
+      radius: 7,
+      fill: new ol.style.Fill({
+        color: '#ffcc33'
+      })
+    })
+  })
+});
+
+var map = new ol.Map({
+  layers: [raster, vector],
+  renderer: exampleNS.getRendererFromQueryString(),
+  target: 'map',
+  view: new ol.View({
+    center: [-11000000, 4600000],
+    zoom: 4
+  })
+});
+
+var typeSelect = document.getElementById('type');
+
+var draw; // global so we can remove it later
+function addInteraction() {
+  var value = typeSelect.value;
+  if (value !== 'None') {
+    draw = new ol.interaction.Draw({
+      source: source,
+      type: /** @type {ol.geom.GeometryType} */ (value)
+    });
+    map.addInteraction(draw);
+  }
+}
+
+
+/**
+ * Let user change the geometry type.
+ * @param {Event} e Change event.
+ */
+typeSelect.onchange = function(e) {
+  map.removeInteraction(draw);
+  addInteraction();
+};
+
+addInteraction();