From 1812ce8b286bc5f54d8d0ddd47b9c31cd4388eab Mon Sep 17 00:00:00 2001
From: mike-000 <49240900+mike-000@users.noreply.github.com>
Date: Mon, 20 Jul 2020 16:08:00 +0100
Subject: [PATCH] update source and fire event only if features added

---
 src/ol/interaction/DragAndDrop.js | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/src/ol/interaction/DragAndDrop.js b/src/ol/interaction/DragAndDrop.js
index 3736e8c633..b41287e2be 100644
--- a/src/ol/interaction/DragAndDrop.js
+++ b/src/ol/interaction/DragAndDrop.js
@@ -147,21 +147,21 @@ class DragAndDrop extends Interaction {
         featureProjection: projection,
       });
       if (features && features.length > 0) {
+        if (this.source_) {
+          this.source_.clear();
+          this.source_.addFeatures(features);
+        }
+        this.dispatchEvent(
+          new DragAndDropEvent(
+            DragAndDropEventType.ADD_FEATURES,
+            file,
+            features,
+            projection
+          )
+        );
         break;
       }
     }
-    if (this.source_) {
-      this.source_.clear();
-      this.source_.addFeatures(features);
-    }
-    this.dispatchEvent(
-      new DragAndDropEvent(
-        DragAndDropEventType.ADD_FEATURES,
-        file,
-        features,
-        projection
-      )
-    );
   }
 
   /**