// 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 javax.swing.JLabel;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.MutableTreeNode;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.data.osm.OsmPrimitive;
import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
import org.openstreetmap.josm.data.osm.Relation;
import org.openstreetmap.josm.data.osm.RelationMember;
import org.openstreetmap.josm.gui.DefaultNameFormatter;
import org.openstreetmap.josm.tools.ImageProvider;
/**
* Command that changes the role of a relation member
*
* @author Teemu Koskinen <teemu.koskinen@mbnet.fi>
*/
public class ChangeRelationMemberRoleCommand extends Command {
// The relation to be changed
private final Relation relation;
// Position of the member
private int position = -1;
// The new role
private final String newRole;
// The old role
private String oldRole;
// Old value of modified;
private Boolean oldModified;
public ChangeRelationMemberRoleCommand(Relation relation, int position, String newRole) {
super();
this.relation = relation;
this.position = position;
this.newRole = newRole;
}
@Override public boolean executeCommand() {
if (position < 0 || position >= relation.getMembersCount()) {
Main.debug("error changing the role");
return false;
}
oldRole = relation.getMember(position).getRole();
if (newRole.equals(oldRole)) return true;
relation.setMember(position, new RelationMember(newRole, relation.getMember(position).getMember()));
oldModified = relation.isModified();
relation.setModified(true);
return true;
}
@Override public void undoCommand() {
relation.setMember(position, new RelationMember(oldRole, relation.getMember(position).getMember()));
relation.setModified(oldModified);
}
@Override public void fillModifiedData(Collection<OsmPrimitive> modified, Collection<OsmPrimitive> deleted, Collection<OsmPrimitive> added) {
modified.add(relation);
}
@Override public MutableTreeNode description() {
return new DefaultMutableTreeNode(
new JLabel(
tr("Change relation member role for {0} {1}",
OsmPrimitiveType.from(relation),
relation.getDisplayName(DefaultNameFormatter.getInstance())
),
ImageProvider.get(OsmPrimitiveType.from(relation)),
JLabel.HORIZONTAL)
);
}
}