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
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23 | * server.
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24 | *
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25 | */
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26 | public class DownloadReferrersAction extends JosmAction{
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27 |
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28 | public DownloadReferrersAction() {
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29 | super(tr("Download parent ways/relations..."), "downloadreferrers", tr("Download primitives referring to one of the selected primitives"),
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30 | Shortcut.registerShortcut("file:downloadreferrers", tr("File: {0}", tr("Download parent ways/relations...")), KeyEvent.VK_D, Shortcut.GROUPS_ALT2+Shortcut.GROUP_HOTKEY), true);
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31 | putValue("help", ht("/Action/DownloadReferrers"));
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32 | }
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33 |
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34 | /**
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35 | * Downloads the primitives referring to the primitives in <code>primitives</code>
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36 | * into the target layer <code>targetLayer</code>.
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37 | * Does nothing if primitives is null or empty.
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38 | *
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39 | * @param targetLayer the target layer. Must not be null.
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40 | * @param children the collection of child primitives.
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41 | * @exception IllegalArgumentException thrown if targetLayer is null
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42 | */
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43 | static public void downloadReferrers(OsmDataLayer targetLayer, Collection<OsmPrimitive> children) throws IllegalArgumentException {
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44 | if (children == null || children.isEmpty()) return;
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45 | Main.worker.submit(new DownloadReferrersTask(targetLayer, children));
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46 | }
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47 |
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48 | /**
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49 | * Downloads the primitives referring to the primitives in <code>primitives</code>
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50 | * into the target layer <code>targetLayer</code>.
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51 | * Does nothing if primitives is null or empty.
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52 | *
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53 | * @param targetLayer the target layer. Must not be null.
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54 | * @param children the collection of primitives, given as map of ids and types
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55 | * @exception IllegalArgumentException thrown if targetLayer is null
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56 | */
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57 | static public void downloadReferrers(OsmDataLayer targetLayer, Map<Long, OsmPrimitiveType> children) throws IllegalArgumentException {
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58 | if (children == null || children.isEmpty()) return;
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59 | Main.worker.submit(new DownloadReferrersTask(targetLayer, children));
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60 | }
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61 |
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62 | /**
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63 | * Downloads the primitives referring to the primitive given by <code>id</code> and
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64 | * <code>type</code>.
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65 | *
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66 | *
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67 | * @param targetLayer the target layer. Must not be null.
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68 | * @param id the primitive id. id > 0 required.
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69 | * @param type the primitive type. type != null required
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70 | * @exception IllegalArgumentException thrown if targetLayer is null
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71 | * @exception IllegalArgumentException thrown if id <= 0
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72 | * @exception IllegalArgumentException thrown if type == null
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73 | */
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74 | static public void downloadReferrers(OsmDataLayer targetLayer, long id, OsmPrimitiveType type) throws IllegalArgumentException {
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75 | if (id <= 0)
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76 | throw new IllegalArgumentException(MessageFormat.format("Id > 0 required, got {0}", id));
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77 | CheckParameterUtil.ensureParameterNotNull(type, "type");
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78 | Main.worker.submit(new DownloadReferrersTask(targetLayer, id, type));
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79 | }
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80 |
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81 | public void actionPerformed(ActionEvent e) {
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82 | if (!isEnabled() || ! Main.isDisplayingMapView())
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83 | return;
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84 | OsmDataLayer layer = Main.map.mapView.getEditLayer();
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85 | if (layer == null)
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86 | return;
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87 | Collection<OsmPrimitive> primitives = layer.data.getSelected();
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88 | downloadReferrers(layer,primitives);
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89 | }
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90 |
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91 | @Override
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92 | protected void updateEnabledState() {
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93 | if (getCurrentDataSet() == null) {
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94 | setEnabled(false);
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95 | } else {
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96 | updateEnabledState(getCurrentDataSet().getSelected());
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97 | }
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98 | }
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99 |
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100 | @Override
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101 | protected void updateEnabledState(Collection<? extends OsmPrimitive> selection) {
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102 | setEnabled(selection != null && !selection.isEmpty());
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103 | }
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104 | }
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