Add ol.source.Vector#isEmpty

2013-12-04 14:49:25 +01:00
parent d5e5749967
commit 66457a7aaf
2 changed files with 24 additions and 0 deletions
--- a/src/ol/source/vectorsource.js
+++ b/src/ol/source/vectorsource.js
@@ -166,6 +166,14 @@ ol.source.Vector.prototype.handleFeatureChange_ = function(event) {
 };


+/**
+ * @return {boolean} Is empty.
+ */
+ol.source.Vector.prototype.isEmpty = function() {
+  return this.rBush_.isEmpty();
+};
+
+
 /**
 * @param {ol.Feature} feature Feature.
 */