// 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.HashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;
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 removes a set of nodes from a way.
* The same can be done with ChangeNodesCommand, but this is more
* efficient. (Needed for the tool to disconnect nodes from ways.)
*
* @author Giuseppe Bilotta
*/
public class RemoveNodesCommand extends Command {
private final Way way;
private final Set<Node> rmNodes;
/**
* Constructs a new {@code RemoveNodesCommand}.
* @param way The way to modify
* @param rmNodes The list of nodes to remove
*/
public RemoveNodesCommand(Way way, List<Node> rmNodes) {
this.way = way;
this.rmNodes = new HashSet<>(rmNodes);
}
@Override
public boolean executeCommand() {
super.executeCommand();
way.removeNodes(rmNodes);
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("Removed nodes from {0}", way.getDisplayName(DefaultNameFormatter.getInstance()));
}
@Override
public Icon getDescriptionIcon() {
return ImageProvider.get(OsmPrimitiveType.WAY);
}
@Override
public int hashCode() {
return Objects.hash(super.hashCode(), way, rmNodes);
}
@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;
RemoveNodesCommand that = (RemoveNodesCommand) obj;
return Objects.equals(way, that.way) &&
Objects.equals(rmNodes, that.rmNodes);
}
}