Merge pull request #2242 from elemoine/feature-clone

Add ol.Feature#clone

src/ol/feature.js

@@ -84,6 +84,27 @@ ol.Feature = function(opt_geometryOrValues) {
 goog.inherits(ol.Feature, ol.Object);
 
 
+/**
+ * Clone this feature. If the original feature has a geometry it
+ * is also cloned. The feature id is not set in the clone.
+ * @return {ol.Feature} The clone.
+ * @todo api
+ */
+ol.Feature.prototype.clone = function() {
+  var clone = new ol.Feature(this.getProperties());
+  clone.setGeometryName(this.getGeometryName());
+  var geometry = this.getGeometry();
+  if (goog.isDefAndNotNull(geometry)) {
+    clone.setGeometry(geometry.clone());
+  }
+  var style = this.getStyle();
+  if (!goog.isNull(style)) {
+    clone.setStyle(style);
+  }
+  return clone;
+};
+
+
 /**
  * @return {ol.geom.Geometry|undefined} Geometry.
  * @todo api