// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.command;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.util.Collection;
import java.util.List;
import java.util.Objects;
import javax.swing.Icon;
import org.openstreetmap.josm.data.osm.Node;
import org.openstreetmap.josm.data.osm.OsmPrimitive;
import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
import org.openstreetmap.josm.data.osm.Way;
import org.openstreetmap.josm.gui.DefaultNameFormatter;
import org.openstreetmap.josm.tools.ImageProvider;
/**
* Command that changes the nodes list of a way.
* The same can be done with ChangeCommand, but this is more
* efficient. (Needed for the duplicate node fixing
* tool of the validator plugin, when processing large data sets.)
*
* @author Imi
*/
public class ChangeNodesCommand extends Command {
private final Way way;
private final List<Node> newNodes;
/**
* Constructs a new {@code ChangeNodesCommand}.
* @param way The way to modify
* @param newNodes The new list of nodes for the given way
*/
public ChangeNodesCommand(Way way, List<Node> newNodes) {
this.way = way;
this.newNodes = newNodes;
if (newNodes.isEmpty()) {
throw new IllegalArgumentException("Cannot set nodes to be an empty list.");
}
}
@Override
public boolean executeCommand() {
super.executeCommand();
way.setNodes(newNodes);
way.setModified(true);
return true;
}
@Override
public void fillModifiedData(Collection<OsmPrimitive> modified, Collection<OsmPrimitive> deleted, Collection<OsmPrimitive> added) {
modified.add(way);
}
@Override
public String getDescriptionText() {
return tr("Change nodes of {0}", way.getDisplayName(DefaultNameFormatter.getInstance()));
}
@Override
public Icon getDescriptionIcon() {
return ImageProvider.get(OsmPrimitiveType.WAY);
}
@Override
public int hashCode() {
return Objects.hash(super.hashCode(), way, newNodes);
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null || getClass() != obj.getClass()) return false;
if (!super.equals(obj)) return false;
ChangeNodesCommand that = (ChangeNodesCommand) obj;
return Objects.equals(way, that.way) &&
Objects.equals(newNodes, that.newNodes);
}
}