source: josm/src/org/openstreetmap/josm/command/ChangeCommand.java@ 94

package org.openstreetmap.josm.command;

import java.util.Collection;

import javax.swing.JLabel;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.MutableTreeNode;

import org.openstreetmap.josm.data.osm.OsmPrimitive;
import org.openstreetmap.josm.data.osm.visitor.NameVisitor;

public class ChangeCommand extends Command {

        private final OsmPrimitive osm;
        private final OsmPrimitive newOsm;

        public ChangeCommand(OsmPrimitive osm, OsmPrimitive newOsm) {
                this.osm = osm;
                this.newOsm = newOsm;
    }

        @Override public void executeCommand() {
            super.executeCommand();
            osm.cloneFrom(newOsm);
            osm.modified = true;
    }

        @Override public void fillModifiedData(Collection<OsmPrimitive> modified, Collection<OsmPrimitive> deleted, Collection<OsmPrimitive> added) {
                modified.add(osm);
    }

        @Override public MutableTreeNode description() {
                NameVisitor v = new NameVisitor();
                osm.visit(v);
                return new DefaultMutableTreeNode(new JLabel("Change "+v.className+" "+v.name, v.icon, JLabel.HORIZONTAL));
    }
}