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