Changeset 699 in josm

Timestamp:

2008-07-10T11:48:15+02:00 (16 years ago)

Author:

stoecker

Message:

added patch by Andy Street to reduce creating new ways when unnecessary. Fixes #553.

File:

• trunk/src/org/openstreetmap/josm/actions/CombineWayAction.java (modified) (3 diffs)

trunk/src/org/openstreetmap/josm/actions/CombineWayAction.java

@@ -148 +148 @@
                 }
 
-                Way newWay = new Way(selectedWays.get(0));
+                // Find the most appropriate way to modify.
+
+                // Eventually this might want to be the way with the longest
+                // history or the longest selected way but for now just attempt
+                // to reuse an existing id.
+                Way modifyWay = selectedWays.peek();
+                for (Way w : selectedWays) {
+                        modifyWay = w;
+                        if (w.id != 0) break;
+                }
+                Way newWay = new Way(modifyWay);
+
                 newWay.nodes.clear();
                 newWay.nodes.addAll(nodeList);
@@ -179 +190 @@
 
                 LinkedList<Command> cmds = new LinkedList<Command>();
-                cmds.add(new DeleteCommand(selectedWays.subList(1, selectedWays.size())));
-                cmds.add(new ChangeCommand(selectedWays.peek(), newWay));
+                LinkedList<Way> deletedWays = new LinkedList<Way>(selectedWays);
+                deletedWays.remove(modifyWay);
+                cmds.add(new DeleteCommand(deletedWays));
+                cmds.add(new ChangeCommand(modifyWay, newWay));
 
                 // modify all relations containing the now-deleted ways
@@ -197 +210 @@
                         }
                         for (String role : rolesToReAdd) {
-                                newRel.members.add(new RelationMember(role, selectedWays.peek()));
+                                newRel.members.add(new RelationMember(role, modifyWay));
                         }
                         cmds.add(new ChangeCommand(r, newRel));
                 }
                 Main.main.undoRedo.add(new SequenceCommand(tr("Combine {0} ways", selectedWays.size()), cmds));
-                Main.ds.setSelected(selectedWays.peek());
+                Main.ds.setSelected(modifyWay);
         }