1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.actions;
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3 |
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4 | import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
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5 | import static org.openstreetmap.josm.tools.I18n.tr;
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6 |
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7 | import java.awt.event.ActionEvent;
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8 | import java.awt.event.KeyEvent;
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9 | import java.text.MessageFormat;
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10 | import java.util.Collection;
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11 | import java.util.Map;
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12 |
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13 | import org.openstreetmap.josm.Main;
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14 | import org.openstreetmap.josm.actions.downloadtasks.DownloadReferrersTask;
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15 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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16 | import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
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17 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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18 | import org.openstreetmap.josm.tools.CheckParameterUtil;
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19 | import org.openstreetmap.josm.tools.Shortcut;
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20 |
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21 | /**
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22 | * This action loads the set of primitives referring to the current selection from the OSM server.
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23 | * @since 1810
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24 | */
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25 | public class DownloadReferrersAction extends JosmAction {
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26 |
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27 | /**
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28 | * Constructs a new {@code DownloadReferrersAction}.
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29 | */
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30 | public DownloadReferrersAction() {
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31 | super(tr("Download parent ways/relations..."), "download",
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32 | tr("Download objects referring to one of the selected objects"),
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33 | Shortcut.registerShortcut("file:downloadreferrers",
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34 | tr("File: {0}", tr("Download parent ways/relations...")), KeyEvent.VK_D, Shortcut.ALT_CTRL),
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35 | true, "downloadreferrers", true);
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36 | putValue("help", ht("/Action/DownloadParentWaysAndRelation"));
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37 | }
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38 |
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39 | /**
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40 | * Downloads the primitives referring to the primitives in <code>primitives</code>
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41 | * into the target layer <code>targetLayer</code>.
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42 | * Does nothing if primitives is null or empty.
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43 | *
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44 | * @param targetLayer the target layer. Must not be null.
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45 | * @param children the collection of child primitives.
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46 | * @throws IllegalArgumentException if targetLayer is null
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47 | */
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48 | public static void downloadReferrers(OsmDataLayer targetLayer, Collection<OsmPrimitive> children) {
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49 | if (children == null || children.isEmpty()) return;
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50 | Main.worker.submit(new DownloadReferrersTask(targetLayer, children));
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51 | }
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52 |
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53 | /**
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54 | * Downloads the primitives referring to the primitives in <code>primitives</code>
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55 | * into the target layer <code>targetLayer</code>.
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56 | * Does nothing if primitives is null or empty.
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57 | *
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58 | * @param targetLayer the target layer. Must not be null.
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59 | * @param children the collection of primitives, given as map of ids and types
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60 | * @throws IllegalArgumentException if targetLayer is null
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61 | */
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62 | public static void downloadReferrers(OsmDataLayer targetLayer, Map<Long, OsmPrimitiveType> children) {
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63 | if (children == null || children.isEmpty()) return;
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64 | Main.worker.submit(new DownloadReferrersTask(targetLayer, children));
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65 | }
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66 |
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67 | /**
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68 | * Downloads the primitives referring to the primitive given by <code>id</code> and <code>type</code>.
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69 | *
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70 | * @param targetLayer the target layer. Must not be null.
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71 | * @param id the primitive id. id > 0 required.
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72 | * @param type the primitive type. type != null required
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73 | * @throws IllegalArgumentException if targetLayer is null
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74 | * @throws IllegalArgumentException if id <= 0
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75 | * @throws IllegalArgumentException if type == null
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76 | */
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77 | public static void downloadReferrers(OsmDataLayer targetLayer, long id, OsmPrimitiveType type) {
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78 | if (id <= 0)
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79 | throw new IllegalArgumentException(MessageFormat.format("Id > 0 required, got {0}", id));
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80 | CheckParameterUtil.ensureParameterNotNull(type, "type");
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81 | Main.worker.submit(new DownloadReferrersTask(targetLayer, id, type));
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82 | }
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83 |
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84 | @Override
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85 | public void actionPerformed(ActionEvent e) {
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86 | if (!isEnabled())
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87 | return;
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88 | OsmDataLayer layer = Main.main.getEditLayer();
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89 | if (layer == null)
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90 | return;
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91 | Collection<OsmPrimitive> primitives = layer.data.getSelected();
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92 | downloadReferrers(layer,primitives);
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93 | }
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94 |
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95 | @Override
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96 | protected void updateEnabledState() {
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97 | if (getCurrentDataSet() == null) {
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98 | setEnabled(false);
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99 | } else {
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100 | updateEnabledState(getCurrentDataSet().getSelected());
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101 | }
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102 | }
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103 |
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104 | @Override
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105 | protected void updateEnabledState(Collection<? extends OsmPrimitive> selection) {
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106 | setEnabled(selection != null && !selection.isEmpty());
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107 | }
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108 | }
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