| 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 | /**
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| 9 | * Enumeration of the possible comparison pairs
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| 10 | *
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| 11 | */
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| 12 | public enum ComparePairType {
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| 13 |
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| 14 | /**
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| 15 | * compare my version of an {@see OsmPrimitive} with their version
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| 16 | */
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| 17 | MY_WITH_THEIR (tr("My with Their"), new ListRole[] {MY_ENTRIES, THEIR_ENTRIES}),
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| 18 |
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| 19 | /**
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| 20 | * compare my version of an {@see OsmPrimitive} with the merged version
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| 21 | */
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| 22 | MY_WITH_MERGED (tr("My with Merged"), new ListRole[] {MY_ENTRIES, MERGED_ENTRIES}),
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| 23 |
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| 24 | /**
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| 25 | * compare their version of an {@see OsmPrimitive} with the merged veresion
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| 26 | */
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| 27 | THEIR_WITH_MERGED(tr("Their with Merged"), new ListRole[] {THEIR_ENTRIES, MERGED_ENTRIES});
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| 28 |
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| 29 | /** the localized display name */
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| 30 | private final String displayName;
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| 31 | private ListRole[] participatingRoles;
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| 32 |
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| 33 | ComparePairType(String displayName, ListRole[] participatingRoles) {
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| 34 | this.displayName = displayName;
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| 35 | this.participatingRoles = participatingRoles;
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| 36 | }
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| 37 |
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| 38 | /**
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| 39 | * replies the display name
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| 40 | *
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| 41 | * @return the display name
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| 42 | */
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| 43 | public String getDisplayName() {
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| 44 | return displayName;
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| 45 | }
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| 46 |
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| 47 | /**
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| 48 | * replies true, if <code>role</code> is participating in this comparison
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| 49 | * pair
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| 50 | *
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| 51 | * @param role the list role
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| 52 | * @return true, if <code>role</code> is participating in this comparison
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| 53 | * 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 {@see ListRole}s participating in this comparison
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| 64 | * pair
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| 65 | *
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| 66 | * @return the pair of list roles
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| 67 | */
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| 68 | public ListRole[] getParticipatingRoles() {
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| 69 | return participatingRoles;
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| 70 | }
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| 71 |
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| 72 | /**
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| 73 | * replies the opposite role of <code>role</code> participating in this comparison
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| 74 | * pair
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| 75 | *
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| 76 | * @param role one of the two roles in this pair
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| 77 | * @return the opposite role
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| 78 | * @exception IllegalStateException if role is not participating in this pair
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| 79 | */
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| 80 | public ListRole getOppositeRole(ListRole role) {
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| 81 | if (!isParticipatingIn(role))
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| 82 | throw new IllegalStateException(tr("Role {0} is not participating in compare pair {1}.", role.toString(), this.toString()));
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| 83 | if (participatingRoles[0].equals(role))
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| 84 | return participatingRoles[1];
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| 85 | else
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| 86 | return participatingRoles[0];
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| 87 | }
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| 88 | }
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