| 1 | // License: GPL. For details, see LICENSE file. |
| 2 | package org.openstreetmap.josm.command; |
| 3 | |
| 4 | import static org.openstreetmap.josm.tools.I18n.tr; |
| 5 | |
| 6 | import java.util.Collection; |
| 7 | |
| 8 | import javax.swing.JLabel; |
| 9 | import javax.swing.tree.DefaultMutableTreeNode; |
| 10 | import javax.swing.tree.MutableTreeNode; |
| 11 | |
| 12 | import org.openstreetmap.josm.Main; |
| 13 | import org.openstreetmap.josm.data.osm.OsmPrimitive; |
| 14 | import org.openstreetmap.josm.data.osm.Relation; |
| 15 | import org.openstreetmap.josm.data.osm.RelationMember; |
| 16 | |
| 17 | import org.openstreetmap.josm.data.osm.visitor.NameVisitor; |
| 18 | |
| 19 | /** |
| 20 | * Command that changes the role of a relation member |
| 21 | * |
| 22 | * @author Teemu Koskinen <teemu.koskinen@mbnet.fi> |
| 23 | */ |
| 24 | public class ChangeRelationMemberRoleCommand extends Command { |
| 25 | |
| 26 | // The relation to be changed |
| 27 | private final Relation relation; |
| 28 | // Position of the member |
| 29 | private int position = -1; |
| 30 | // The new role |
| 31 | private final String newRole; |
| 32 | // The old role |
| 33 | private String oldRole; |
| 34 | // Old value of modified; |
| 35 | private Boolean oldModified; |
| 36 | |
| 37 | public ChangeRelationMemberRoleCommand(Relation relation, int position, String newRole) { |
| 38 | this.relation = relation; |
| 39 | this.position = position; |
| 40 | this.newRole = newRole; |
| 41 | } |
| 42 | |
| 43 | @Override public boolean executeCommand() { |
| 44 | if (position < 0 || position >= relation.members.size()) { |
| 45 | Main.debug("error changing the role"); |
| 46 | return false; |
| 47 | } |
| 48 | |
| 49 | oldRole = relation.members.get(position).role; |
| 50 | relation.members.get(position).role = newRole; |
| 51 | |
| 52 | oldModified = relation.modified; |
| 53 | relation.modified = true; |
| 54 | return true; |
| 55 | } |
| 56 | |
| 57 | @Override public void undoCommand() { |
| 58 | relation.members.get(position).role = oldRole; |
| 59 | relation.modified = oldModified; |
| 60 | } |
| 61 | |
| 62 | @Override public void fillModifiedData(Collection<OsmPrimitive> modified, Collection<OsmPrimitive> deleted, Collection<OsmPrimitive> added) { |
| 63 | modified.add(relation); |
| 64 | } |
| 65 | |
| 66 | @Override public MutableTreeNode description() { |
| 67 | NameVisitor v = new NameVisitor(); |
| 68 | relation.visit(v); |
| 69 | return new DefaultMutableTreeNode(new JLabel(tr("ChangeRelationMemberRole")+" "+tr(v.className)+" "+v.name, v.icon, JLabel.HORIZONTAL)); |
| 70 | } |
| 71 | } |