From 9fca2c407d4a3152e1c6d1915681cebf254aaa3a Mon Sep 17 00:00:00 2001
From: ahocevar <andreas.hocevar@gmail.com>
Date: Sat, 9 Nov 2013 13:28:12 +0100
Subject: [PATCH] Add a getFeatures method on the vector layer

---
 src/ol/layer/vectorlayer.js | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/ol/layer/vectorlayer.js b/src/ol/layer/vectorlayer.js
index bbb4bb66d5..ffcbb8a634 100644
--- a/src/ol/layer/vectorlayer.js
+++ b/src/ol/layer/vectorlayer.js
@@ -267,6 +267,24 @@ ol.layer.Vector.prototype.getStyle = function() {
 };
 
 
+/**
+ * Returns an array of features that match a filter. This will not fetch data,
+ * it only considers features that are loaded already.
+ * @param {function(ol.Feature):boolean} filter Filter function.
+ * @return {Array.<ol.Feature>} Features that match the filter.
+ */
+ol.layer.Vector.prototype.getFeatures = function(filter) {
+  var features = this.featureCache_.getFeaturesObject();
+  var result = [];
+  for (var f in features) {
+    if (filter(features[f]) === true) {
+      result.push(features[f]);
+    }
+  }
+  return result;
+};
+
+
 /**
  * Get all features whose bounding box intersects the provided extent. This
  * method is intended for being called by the renderer. When null is returned,