Changeset 16438 in josm for trunk/src/org/openstreetmap/josm/gui/dialogs/layer/LayerVisibilityAction.java

Timestamp:

2020-05-17T14:18:22+02:00 (4 years ago)

Author:

simon04

Message:

see #19251 - Java 8: use Stream

File:

• trunk/src/org/openstreetmap/josm/gui/dialogs/layer/LayerVisibilityAction.java (modified) (1 diff)

trunk/src/org/openstreetmap/josm/gui/dialogs/layer/LayerVisibilityAction.java

@@ -399 +399 @@
         @Override
         protected void updateSliderWhileEnabled(Collection<? extends Layer> usedLayers, boolean allHidden) {
-            double opacity = 0;
-            for (Layer l : usedLayers) {
-                opacity += l.getOpacity();
-            }
+            double opacity = usedLayers.stream()
+                    .mapToDouble(Layer::getOpacity)
+                    .sum();
             opacity /= usedLayers.size();
             if (opacity == 0) {