Changeset 12605 in josm for trunk/src/org/openstreetmap/josm

Timestamp:

2017-08-15T00:41:24+02:00 (7 years ago)

Author:

Don-vip

Message:

fix a major performance problem when purging a large number of selected primitives, where a selection event was trigerred for each primitive

File:

• trunk/src/org/openstreetmap/josm/command/PurgeCommand.java (modified) (1 diff)

trunk/src/org/openstreetmap/josm/command/PurgeCommand.java

@@ -101 +101 @@
         try {
             purgedConflicts.get().clear();
-            /**
-             * Loop from back to front to keep referential integrity.
-             */
+            // unselect primitives in advance to not fire a selection change for every one of them
+            getAffectedDataSet().clearSelection(toPurge);
+            // Loop from back to front to keep referential integrity.
             for (int i = toPurge.size()-1; i >= 0; --i) {
                 OsmPrimitive osm = toPurge.get(i);