1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.conflict.pair;
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3 | import static org.openstreetmap.josm.gui.conflict.pair.ListRole.MERGED_ENTRIES;
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4 | import static org.openstreetmap.josm.gui.conflict.pair.ListRole.MY_ENTRIES;
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5 | import static org.openstreetmap.josm.gui.conflict.pair.ListRole.THEIR_ENTRIES;
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6 | import static org.openstreetmap.josm.tools.I18n.tr;
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7 |
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8 | import org.openstreetmap.josm.tools.Utils;
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9 |
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10 | /**
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11 | * Enumeration of the possible comparison pairs
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12 | * @since 1650
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13 | */
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14 | public enum ComparePairType {
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15 |
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16 | /**
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17 | * compare my version of an {@link org.openstreetmap.josm.data.osm.OsmPrimitive} with their version
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18 | */
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19 | MY_WITH_THEIR(tr("My with Their"), new ListRole[] {MY_ENTRIES, THEIR_ENTRIES}),
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20 |
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21 | /**
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22 | * compare my version of an {@link org.openstreetmap.josm.data.osm.OsmPrimitive} with the merged version
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23 | */
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24 | MY_WITH_MERGED(tr("My with Merged"), new ListRole[] {MY_ENTRIES, MERGED_ENTRIES}),
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25 |
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26 | /**
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27 | * compare their version of an {@link org.openstreetmap.josm.data.osm.OsmPrimitive} with the merged veresion
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28 | */
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29 | THEIR_WITH_MERGED(tr("Their with Merged"), new ListRole[] {THEIR_ENTRIES, MERGED_ENTRIES});
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30 |
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31 | /** the localized display name */
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32 | private final String displayName;
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33 | private final ListRole[] participatingRoles;
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34 |
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35 | ComparePairType(String displayName, ListRole... participatingRoles) {
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36 | this.displayName = displayName;
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37 | this.participatingRoles = Utils.copyArray(participatingRoles);
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38 | }
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39 |
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40 | /**
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41 | * replies the display name
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42 | *
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43 | * @return the display name
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44 | */
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45 | public String getDisplayName() {
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46 | return displayName;
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47 | }
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48 |
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49 | /**
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50 | * replies true, if <code>role</code> is participating in this comparison pair
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51 | *
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52 | * @param role the list role
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53 | * @return true, if <code>role</code> is participating in this comparison pair; false, otherwise
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54 | */
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55 | public boolean isParticipatingIn(ListRole role) {
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56 | for (ListRole r: participatingRoles) {
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57 | if (r.equals(role)) return true;
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58 | }
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59 | return false;
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60 | }
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61 |
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62 | /**
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63 | * replies the pair of {@link ListRole}s participating in this comparison pair
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64 | *
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65 | * @return the pair of list roles
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66 | */
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67 | public ListRole[] getParticipatingRoles() {
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68 | return Utils.copyArray(participatingRoles);
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69 | }
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70 |
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71 | /**
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72 | * replies the opposite role of <code>role</code> participating in this comparison pair
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73 | *
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74 | * @param role one of the two roles in this pair
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75 | * @return the opposite role
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76 | * @throws IllegalStateException if role is not participating in this pair
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77 | */
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78 | public ListRole getOppositeRole(ListRole role) {
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79 | if (!isParticipatingIn(role))
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80 | throw new IllegalStateException(tr("Role {0} is not participating in compare pair {1}.", role.toString(), this.toString()));
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81 | if (participatingRoles[0].equals(role))
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82 | return participatingRoles[1];
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83 | else
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84 | return participatingRoles[0];
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85 | }
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86 | }
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