1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.layer.gpx;
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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.awt.Component;
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7 | import java.awt.geom.Path2D;
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8 | import java.util.Collection;
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9 | import java.util.List;
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10 | import java.util.stream.Collectors;
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11 |
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12 | import javax.swing.Action;
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13 | import javax.swing.JMenuItem;
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14 |
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15 | import org.openstreetmap.josm.actions.DownloadAlongAction;
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16 | import org.openstreetmap.josm.data.gpx.GpxData;
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17 | import org.openstreetmap.josm.data.gpx.WayPoint;
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18 | import org.openstreetmap.josm.gui.PleaseWaitRunnable;
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19 | import org.openstreetmap.josm.gui.help.HelpUtil;
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20 | import org.openstreetmap.josm.gui.layer.GpxLayer;
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21 | import org.openstreetmap.josm.gui.layer.Layer;
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22 | import org.openstreetmap.josm.tools.Utils;
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23 |
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24 | /**
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25 | * Action that issues a series of download requests to the API, following the GPX track.
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26 | *
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27 | * @author fred
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28 | * @since 5715
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29 | */
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30 | public class DownloadAlongTrackAction extends DownloadAlongAction implements Layer.LayerAction, Layer.MultiLayerAction {
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31 |
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32 | private static final int NEAR_TRACK = 0;
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33 | private static final int NEAR_WAYPOINTS = 1;
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34 | private static final int NEAR_BOTH = 2;
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35 |
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36 | private static final String PREF_DOWNLOAD_ALONG_TRACK_OSM = "downloadAlongTrack.download.osm";
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37 | private static final String PREF_DOWNLOAD_ALONG_TRACK_GPS = "downloadAlongTrack.download.gps";
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38 |
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39 | private static final String PREF_DOWNLOAD_ALONG_TRACK_DISTANCE = "downloadAlongTrack.distance";
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40 | private static final String PREF_DOWNLOAD_ALONG_TRACK_AREA = "downloadAlongTrack.area";
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41 | private static final String PREF_DOWNLOAD_ALONG_TRACK_NEAR = "downloadAlongTrack.near";
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42 |
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43 | private final transient Collection<GpxData> data;
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44 |
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45 | /**
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46 | * Constructs a new {@code DownloadAlongTrackAction}
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47 | * @param data The GPX data used to download along
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48 | */
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49 | public DownloadAlongTrackAction(Collection<GpxData> data) {
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50 | super(tr("Download from OSM along this track"), "downloadalongtrack", null, null, false);
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51 | this.data = data;
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52 | }
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53 |
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54 | @Override
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55 | protected PleaseWaitRunnable createTask() {
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56 | final DownloadAlongPanel panel = new DownloadAlongPanel(
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57 | PREF_DOWNLOAD_ALONG_TRACK_OSM, PREF_DOWNLOAD_ALONG_TRACK_GPS,
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58 | PREF_DOWNLOAD_ALONG_TRACK_DISTANCE, PREF_DOWNLOAD_ALONG_TRACK_AREA, PREF_DOWNLOAD_ALONG_TRACK_NEAR);
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59 |
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60 | int ret = panel.showInDownloadDialog(tr("Download from OSM along this track"), HelpUtil.ht("/Action/DownloadAlongTrack"));
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61 | if (0 != ret && 1 != ret) {
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62 | return null;
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63 | }
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64 |
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65 | final int near = panel.getNear();
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66 |
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67 | // Convert the GPX data into a Path2D.
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68 | Path2D gpxPath = new Path2D.Double();
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69 | if (near == NEAR_TRACK || near == NEAR_BOTH) {
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70 | data.stream().flatMap(GpxData::getTrackSegmentsStream).forEach(segment -> {
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71 | boolean first = true;
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72 | for (WayPoint p : segment.getWayPoints()) {
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73 | if (first) {
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74 | gpxPath.moveTo(p.lon(), p.lat());
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75 | first = false;
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76 | } else {
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77 | gpxPath.lineTo(p.lon(), p.lat());
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78 | }
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79 | }
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80 | });
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81 | }
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82 | if (near == NEAR_WAYPOINTS || near == NEAR_BOTH) {
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83 | data.stream().flatMap(d -> d.getWaypoints().stream()).forEach(p -> {
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84 | gpxPath.moveTo(p.lon(), p.lat());
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85 | gpxPath.closePath();
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86 | });
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87 | }
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88 | return createCalcTask(gpxPath, panel, tr("Download from OSM along this track"), 1 == ret);
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89 | }
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90 |
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91 | @Override
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92 | public Component createMenuComponent() {
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93 | return new JMenuItem(this);
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94 | }
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95 |
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96 | @Override
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97 | public boolean supportLayers(List<Layer> layers) {
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98 | return !Utils.filteredCollection(layers, GpxLayer.class).isEmpty();
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99 | }
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100 |
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101 | @Override
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102 | public Action getMultiLayerAction(List<Layer> layers) {
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103 | final List<GpxData> gpxData = Utils.filteredCollection(layers, GpxLayer.class)
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104 | .stream().map(layer -> layer.data)
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105 | .collect(Collectors.toList());
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106 | return new DownloadAlongTrackAction(gpxData);
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107 | }
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108 | }
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