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 java.util.Collection;
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5 | import java.util.Objects;
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6 |
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7 | import javax.swing.Icon;
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8 |
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9 | import org.openstreetmap.josm.data.osm.DataSet;
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10 | import org.openstreetmap.josm.data.osm.Node;
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11 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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12 | import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
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13 | import org.openstreetmap.josm.data.osm.Way;
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14 | import org.openstreetmap.josm.tools.ImageProvider;
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15 |
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16 | /**
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17 | * Abstracts superclass of {@link ChangeNodesCommand} / {@link RemoveNodesCommand}.
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18 | * @param <C> type of nodes collection used for this command
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19 | * @since 15013
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20 | */
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21 | public abstract class AbstractNodesCommand<C extends Collection<Node>> extends Command {
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22 |
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23 | protected final Way way;
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24 | protected final C cmdNodes;
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25 |
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26 | /**
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27 | * Constructs a new {@code AbstractNodesCommand}.
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28 | * @param way The way to modify
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29 | * @param cmdNodes The collection of nodes for this command
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30 | */
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31 | protected AbstractNodesCommand(Way way, C cmdNodes) {
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32 | this(way.getDataSet(), way, cmdNodes);
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33 | }
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34 |
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35 | /**
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36 | * Constructs a new {@code AbstractNodesCommand}.
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37 | * @param ds The target data set. Must not be {@code null}
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38 | * @param way The way to modify
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39 | * @param cmdNodes The collection of nodes for this command
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40 | */
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41 | protected AbstractNodesCommand(DataSet ds, Way way, C cmdNodes) {
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42 | super(ds);
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43 | this.way = Objects.requireNonNull(way, "way");
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44 | this.cmdNodes = Objects.requireNonNull(cmdNodes, "cmdNodes");
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45 | if (cmdNodes.isEmpty()) {
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46 | throw new IllegalArgumentException("Nodes collection is empty");
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47 | }
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48 | }
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49 |
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50 | protected abstract void modifyWay();
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51 |
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52 | @Override
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53 | public boolean executeCommand() {
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54 | super.executeCommand();
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55 | modifyWay();
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56 | way.setModified(true);
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57 | return true;
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58 | }
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59 |
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60 | @Override
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61 | public void fillModifiedData(Collection<OsmPrimitive> modified, Collection<OsmPrimitive> deleted, Collection<OsmPrimitive> added) {
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62 | modified.add(way);
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63 | }
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64 |
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65 | @Override
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66 | public Icon getDescriptionIcon() {
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67 | return ImageProvider.get(OsmPrimitiveType.WAY);
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68 | }
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69 |
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70 | @Override
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71 | public int hashCode() {
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72 | return Objects.hash(super.hashCode(), way, cmdNodes);
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73 | }
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74 |
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75 | @Override
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76 | public boolean equals(Object obj) {
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77 | if (this == obj) return true;
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78 | if (obj == null || getClass() != obj.getClass()) return false;
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79 | if (!super.equals(obj)) return false;
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80 | AbstractNodesCommand<?> that = (AbstractNodesCommand<?>) obj;
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81 | return Objects.equals(way, that.way) &&
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82 | Objects.equals(cmdNodes, that.cmdNodes);
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83 | }
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84 | }
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