| 1 | // License: GPL. For details, see LICENSE file.
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| 2 | package org.openstreetmap.josm.gui.dialogs.relation.sort;
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| 3 |
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| 4 | import static org.openstreetmap.josm.gui.dialogs.relation.sort.WayConnectionType.Direction.NONE;
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| 5 | import static org.openstreetmap.josm.tools.I18n.tr;
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| 6 |
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| 7 | /**
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| 8 | * A class used by the {@link RelationSorter} to store if two ways are already connected
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| 9 | */
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| 10 | public class WayConnectionType {
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| 11 |
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| 12 | /** True, if the corresponding primitive is not a way or the way is incomplete */
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| 13 | private final boolean invalid;
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| 14 |
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| 15 | /** True, if linked to the previous member. */
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| 16 | public boolean linkPrev;
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| 17 | /** True, if linked to the next member. */
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| 18 | public boolean linkNext;
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| 19 |
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| 20 | /**
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| 21 | * direction is FORWARD if the first node of this way is connected to the previous way
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| 22 | * and / or the last node of this way is connected to the next way.
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| 23 | * direction is BACKWARD if it is the other way around.
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| 24 | * direction has a ROUNDABOUT value, if it is tagged as such and it is somehow
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| 25 | * connected to the previous / next member.
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| 26 | * If there is no connection to the previous or next member, then
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| 27 | * direction has the value NONE.
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| 28 | */
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| 29 | public Direction direction;
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| 30 |
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| 31 | public enum Direction {
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| 32 | FORWARD, BACKWARD, ROUNDABOUT_LEFT, ROUNDABOUT_RIGHT, NONE;
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| 33 |
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| 34 | public boolean isRoundabout() {
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| 35 | return this == ROUNDABOUT_RIGHT || this == ROUNDABOUT_LEFT;
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| 36 | }
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| 37 | }
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| 38 |
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| 39 | /** True, if the element is part of a closed loop of ways. */
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| 40 | public boolean isLoop;
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| 41 |
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| 42 | public boolean isOnewayLoopForwardPart;
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| 43 | public boolean isOnewayLoopBackwardPart;
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| 44 | public boolean isOnewayHead;
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| 45 | public boolean isOnewayTail;
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| 46 |
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| 47 | public WayConnectionType(boolean linkPrev, boolean linkNext, Direction direction) {
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| 48 | this.linkPrev = linkPrev;
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| 49 | this.linkNext = linkNext;
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| 50 | this.isLoop = false;
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| 51 | this.direction = direction;
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| 52 | invalid = false;
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| 53 | }
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| 54 |
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| 55 | public WayConnectionType(boolean invalid) {
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| 56 | this.invalid = invalid;
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| 57 | }
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| 58 |
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| 59 | /** construct invalid instance */
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| 60 | public WayConnectionType() {
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| 61 | this.linkPrev = false;
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| 62 | this.linkNext = false;
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| 63 | this.isLoop = false;
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| 64 | this.direction = NONE;
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| 65 | invalid = true;
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| 66 | }
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| 67 |
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| 68 | public boolean isValid() {
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| 69 | return !invalid;
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| 70 | }
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| 71 |
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| 72 | @Override
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| 73 | public String toString() {
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| 74 | return "[P "+linkPrev+" ;N "+linkNext+" ;D "+direction+" ;L "+isLoop+
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| 75 | " ;FP " + isOnewayLoopForwardPart+";BP " + isOnewayLoopBackwardPart+
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| 76 | ";OH " + isOnewayHead+";OT " + isOnewayTail+']';
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| 77 | }
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| 78 |
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| 79 | /**
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| 80 | * Returns tooltip.
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| 81 | * @return tooltip
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| 82 | * @since 10248
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| 83 | */
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| 84 | public String getTooltip() {
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| 85 | if (!isValid())
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| 86 | return "";
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| 87 | else if (linkPrev && linkNext)
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| 88 | return tr("way is connected");
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| 89 | else if (linkPrev)
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| 90 | return tr("way is connected to previous relation member");
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| 91 | else if (linkNext)
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| 92 | return tr("way is connected to next relation member");
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| 93 | else
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| 94 | return tr("way is not connected to previous or next relation member");
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| 95 | }
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| 96 | }
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