diff --git a/lib/OpenLayers/Layer/Vector.js b/lib/OpenLayers/Layer/Vector.js index b21dd0ea6d..ec8cbaa876 100644 --- a/lib/OpenLayers/Layer/Vector.js +++ b/lib/OpenLayers/Layer/Vector.js @@ -302,6 +302,36 @@ OpenLayers.Layer.Vector = OpenLayers.Class(OpenLayers.Layer, { OpenLayers.Layer.prototype.destroy.apply(this, arguments); }, + /** + * Method: clone + * Create a clone of this layer. + * + * Note: Features of the layer are also cloned. + * + * Returns: + * {} An exact clone of this layer + */ + clone: function (obj) { + + if (obj == null) { + obj = new OpenLayers.Layer.Vector(this.name, this.options); + } + + //get all additions from superclasses + obj = OpenLayers.Layer.prototype.clone.apply(this, [obj]); + + // copy/set any non-init, non-simple values here + var features = this.features; + var len = features.length; + var clonedFeatures = new Array(len); + for(var i=0; i