1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.io.remotecontrol.handler;
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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.Point;
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7 | import java.util.Collections;
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8 | import java.util.Map;
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9 |
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10 | import org.openstreetmap.josm.Main;
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11 | import org.openstreetmap.josm.actions.AutoScaleAction;
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12 | import org.openstreetmap.josm.command.AddCommand;
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13 | import org.openstreetmap.josm.data.coor.LatLon;
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14 | import org.openstreetmap.josm.data.osm.Node;
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15 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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16 | import org.openstreetmap.josm.gui.util.GuiHelper;
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17 | import org.openstreetmap.josm.io.remotecontrol.AddTagsDialog;
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18 | import org.openstreetmap.josm.io.remotecontrol.PermissionPrefWithDefault;
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19 |
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20 | /**
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21 | * Handler for add_node request.
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22 | */
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23 | public class AddNodeHandler extends RequestHandler {
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24 |
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25 | /**
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26 | * The remote control command name used to add a node.
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27 | */
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28 | public static final String command = "add_node";
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29 |
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30 | private double lat;
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31 | private double lon;
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32 |
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33 | @Override
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34 | protected void handleRequest() {
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35 | GuiHelper.runInEDTAndWait(new Runnable() {
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36 | @Override public void run() {
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37 | addNode(args);
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38 | }
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39 | });
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40 | }
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41 |
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42 | @Override
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43 | public String[] getMandatoryParams() {
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44 | return new String[] {"lat", "lon"};
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45 | }
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46 |
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47 | @Override
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48 | public String[] getOptionalParams() {
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49 | return new String[] {"addtags"};
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50 | }
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51 |
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52 | @Override
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53 | public String getUsage() {
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54 | return "adds a node (given by its latitude and longitude) to the current dataset";
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55 | }
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56 |
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57 | @Override
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58 | public String[] getUsageExamples() {
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59 | return new String[] {
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60 | "/add_node?lat=11&lon=22",
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61 | "/add_node?lon=13.3&lat=53.2&addtags=natural=tree|name=%20%20%20==Great%20Oak=="
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62 | };
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63 | }
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64 |
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65 | @Override
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66 | public String getPermissionMessage() {
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67 | return tr("Remote Control has been asked to create a new node.") +
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68 | "<br>" + tr("Coordinates: ") + args.get("lat") + ", " + args.get("lon");
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69 | }
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70 |
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71 | @Override
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72 | public PermissionPrefWithDefault getPermissionPref() {
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73 | return PermissionPrefWithDefault.CREATE_OBJECTS;
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74 | }
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75 |
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76 | /**
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77 | * Adds a node, implements the GET /add_node?lon=...&lat=... request.
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78 | * @param args request arguments
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79 | */
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80 | private void addNode(Map<String, String> args) {
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81 |
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82 | // Parse the arguments
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83 | Main.info("Adding node at (" + lat + ", " + lon + ')');
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84 |
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85 | // Create a new node
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86 | LatLon ll = new LatLon(lat, lon);
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87 |
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88 | Node node = null;
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89 |
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90 | if (Main.isDisplayingMapView()) {
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91 | Point p = Main.map.mapView.getPoint(ll);
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92 | node = Main.map.mapView.getNearestNode(p, OsmPrimitive.isUsablePredicate);
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93 | if (node != null && node.getCoor().greatCircleDistance(ll) > Main.pref.getDouble("remotecontrol.tolerance", 0.1)) {
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94 | node = null; // node is too far
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95 | }
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96 | }
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97 |
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98 | if (node == null) {
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99 | node = new Node(ll);
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100 | // Now execute the commands to add this node.
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101 | Main.main.undoRedo.add(new AddCommand(node));
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102 | }
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103 |
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104 | Main.getLayerManager().getEditDataSet().setSelected(node);
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105 | if (PermissionPrefWithDefault.CHANGE_VIEWPORT.isAllowed()) {
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106 | AutoScaleAction.autoScale("selection");
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107 | } else {
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108 | Main.map.mapView.repaint();
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109 | }
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110 | // parse parameter addtags=tag1=value1|tag2=vlaue2
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111 | AddTagsDialog.addTags(args, sender, Collections.singleton(node));
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112 | }
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113 |
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114 | @Override
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115 | protected void validateRequest() throws RequestHandlerBadRequestException {
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116 | try {
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117 | lat = Double.parseDouble(args != null ? args.get("lat") : "");
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118 | lon = Double.parseDouble(args != null ? args.get("lon") : "");
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119 | } catch (NumberFormatException e) {
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120 | throw new RequestHandlerBadRequestException("NumberFormatException ("+e.getMessage()+')', e);
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121 | }
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122 | if (!Main.main.hasEditLayer()) {
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123 | throw new RequestHandlerBadRequestException(tr("There is no layer opened to add node"));
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124 | }
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125 | }
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126 | }
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