1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.io.session;
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3 |
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4 | import java.awt.Component;
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5 | import java.awt.GridBagLayout;
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6 | import java.io.IOException;
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7 | import java.io.OutputStream;
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8 | import java.io.OutputStreamWriter;
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9 | import java.io.PrintWriter;
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10 | import java.io.Writer;
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11 | import java.nio.charset.StandardCharsets;
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12 | import java.util.Collection;
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13 | import java.util.Collections;
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14 |
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15 | import javax.swing.JLabel;
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16 | import javax.swing.JPanel;
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17 | import javax.swing.SwingConstants;
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18 |
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19 | import org.openstreetmap.josm.Main;
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20 | import org.openstreetmap.josm.data.gpx.GpxData;
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21 | import org.openstreetmap.josm.gui.layer.Layer;
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22 | import org.openstreetmap.josm.gui.layer.markerlayer.Marker;
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23 | import org.openstreetmap.josm.gui.layer.markerlayer.MarkerLayer;
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24 | import org.openstreetmap.josm.io.GpxWriter;
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25 | import org.openstreetmap.josm.io.session.SessionWriter.ExportSupport;
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26 | import org.openstreetmap.josm.tools.GBC;
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27 | import org.w3c.dom.Element;
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28 |
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29 | /**
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30 | * Session exporter for {@link MarkerLayer}.
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31 | * @since 5684
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32 | */
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33 | public class MarkerSessionExporter extends AbstractSessionExporter<MarkerLayer> {
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34 |
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35 | /**
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36 | * Constructs a new {@code MarkerSessionExporter}.
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37 | * @param layer marker layer to export
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38 | */
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39 | public MarkerSessionExporter(MarkerLayer layer) {
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40 | super(layer);
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41 | }
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42 |
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43 | @Override
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44 | public Collection<Layer> getDependencies() {
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45 | Layer gpxLayer = layer.fromLayer;
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46 | if (gpxLayer != null && Main.map.mapView.hasLayer(gpxLayer))
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47 | return Collections.singleton(gpxLayer);
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48 | return Collections.emptySet();
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49 | }
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50 |
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51 | @Override
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52 | public Component getExportPanel() {
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53 | final JPanel p = new JPanel(new GridBagLayout());
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54 | export.setSelected(true);
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55 | final JLabel lbl = new JLabel(layer.getName(), layer.getIcon(), SwingConstants.LEFT);
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56 | lbl.setToolTipText(layer.getToolTipText());
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57 | lbl.setLabelFor(export);
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58 | p.add(export, GBC.std());
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59 | p.add(lbl, GBC.std());
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60 | p.add(GBC.glue(1, 0), GBC.std().fill(GBC.HORIZONTAL));
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61 | return p;
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62 | }
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63 |
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64 | @Override
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65 | public boolean requiresZip() {
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66 | return true;
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67 | }
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68 |
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69 | @Override
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70 | public Element export(ExportSupport support) throws IOException {
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71 | Element layerEl = support.createElement("layer");
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72 | layerEl.setAttribute("type", "markers");
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73 | layerEl.setAttribute("version", "0.1");
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74 |
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75 | Element file = support.createElement("file");
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76 | layerEl.appendChild(file);
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77 |
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78 | String zipPath = "layers/" + String.format("%02d", support.getLayerIndex()) + "/data.gpx";
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79 | file.appendChild(support.createTextNode(zipPath));
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80 | addDataFile(support.getOutputStreamZip(zipPath));
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81 |
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82 | return layerEl;
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83 | }
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84 |
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85 | @SuppressWarnings("resource")
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86 | protected void addDataFile(OutputStream out) {
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87 | Writer writer = new OutputStreamWriter(out, StandardCharsets.UTF_8);
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88 | MarkerWriter w = new MarkerWriter(new PrintWriter(writer));
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89 | w.write(layer);
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90 | w.flush();
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91 | }
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92 |
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93 | /**
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94 | * Writes GPX file from marker data.
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95 | */
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96 | public static class MarkerWriter extends GpxWriter {
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97 |
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98 | /**
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99 | * Constructs a new {@code MarkerWriter}.
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100 | * @param out The output writer
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101 | */
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102 | public MarkerWriter(PrintWriter out) {
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103 | super(out);
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104 | }
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105 |
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106 | /**
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107 | * Writes the given markers data.
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108 | * @param layer The layer data to write
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109 | */
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110 | public void write(MarkerLayer layer) {
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111 | GpxData data = new GpxData();
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112 | data.put(GpxData.META_DESC, "exported JOSM marker layer");
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113 | for (Marker m : layer.data) {
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114 | data.waypoints.add(m.convertToWayPoint());
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115 | }
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116 | super.write(data);
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117 | }
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118 | }
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119 | }
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