source: josm/trunk/src/org/openstreetmap/josm/io/remotecontrol/handler/AddNodeHandler.java@ 12726

Last change on this file since 12726 was 12726, checked in by Don-vip, 8 years ago

see #13036 - deprecate Command() default constructor, fix unit tests and java warnings

  • Property svn:eol-style set to native
File size: 4.2 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.io.remotecontrol.handler;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5
6import java.awt.Point;
7import java.util.Collections;
8import java.util.Map;
9
10import org.openstreetmap.josm.Main;
11import org.openstreetmap.josm.actions.AutoScaleAction;
12import org.openstreetmap.josm.command.AddCommand;
13import org.openstreetmap.josm.data.coor.LatLon;
14import org.openstreetmap.josm.data.osm.DataSet;
15import org.openstreetmap.josm.data.osm.Node;
16import org.openstreetmap.josm.data.osm.OsmPrimitive;
17import org.openstreetmap.josm.gui.MainApplication;
18import org.openstreetmap.josm.gui.MapView;
19import org.openstreetmap.josm.gui.util.GuiHelper;
20import org.openstreetmap.josm.io.remotecontrol.AddTagsDialog;
21import org.openstreetmap.josm.io.remotecontrol.PermissionPrefWithDefault;
22import org.openstreetmap.josm.tools.Logging;
23
24/**
25 * Handler for add_node request.
26 */
27public class AddNodeHandler extends RequestHandler {
28
29 /**
30 * The remote control command name used to add a node.
31 */
32 public static final String command = "add_node";
33
34 private double lat;
35 private double lon;
36
37 @Override
38 protected void handleRequest() {
39 GuiHelper.runInEDTAndWait(() -> addNode(args));
40 }
41
42 @Override
43 public String[] getMandatoryParams() {
44 return new String[] {"lat", "lon"};
45 }
46
47 @Override
48 public String[] getOptionalParams() {
49 return new String[] {"addtags"};
50 }
51
52 @Override
53 public String getUsage() {
54 return "adds a node (given by its latitude and longitude) to the current dataset";
55 }
56
57 @Override
58 public String[] getUsageExamples() {
59 return new String[] {
60 "/add_node?lat=11&lon=22",
61 "/add_node?lon=13.3&lat=53.2&addtags=natural=tree|name=%20%20%20==Great%20Oak=="
62 };
63 }
64
65 @Override
66 public String getPermissionMessage() {
67 return tr("Remote Control has been asked to create a new node.") +
68 "<br>" + tr("Coordinates: ") + args.get("lat") + ", " + args.get("lon");
69 }
70
71 @Override
72 public PermissionPrefWithDefault getPermissionPref() {
73 return PermissionPrefWithDefault.CREATE_OBJECTS;
74 }
75
76 /**
77 * Adds a node, implements the GET /add_node?lon=...&amp;lat=... request.
78 * @param args request arguments
79 */
80 private void addNode(Map<String, String> args) {
81
82 // Parse the arguments
83 Logging.info("Adding node at (" + lat + ", " + lon + ')');
84
85 // Create a new node
86 LatLon ll = new LatLon(lat, lon);
87
88 Node node = null;
89
90 if (MainApplication.isDisplayingMapView()) {
91 MapView mapView = MainApplication.getMap().mapView;
92 Point p = mapView.getPoint(ll);
93 node = mapView.getNearestNode(p, OsmPrimitive::isUsable);
94 if (node != null && node.getCoor().greatCircleDistance(ll) > Main.pref.getDouble("remotecontrol.tolerance", 0.1)) {
95 node = null; // node is too far
96 }
97 }
98
99 DataSet ds = MainApplication.getLayerManager().getEditDataSet();
100 if (node == null) {
101 node = new Node(ll);
102 // Now execute the commands to add this node.
103 MainApplication.undoRedo.add(new AddCommand(ds, node));
104 }
105
106 ds.setSelected(node);
107 if (PermissionPrefWithDefault.CHANGE_VIEWPORT.isAllowed()) {
108 AutoScaleAction.autoScale("selection");
109 } else {
110 MainApplication.getMap().mapView.repaint();
111 }
112 // parse parameter addtags=tag1=value1|tag2=vlaue2
113 AddTagsDialog.addTags(args, sender, Collections.singleton(node));
114 }
115
116 @Override
117 protected void validateRequest() throws RequestHandlerBadRequestException {
118 try {
119 lat = Double.parseDouble(args != null ? args.get("lat") : "");
120 lon = Double.parseDouble(args != null ? args.get("lon") : "");
121 } catch (NumberFormatException e) {
122 throw new RequestHandlerBadRequestException("NumberFormatException ("+e.getMessage()+')', e);
123 }
124 if (MainApplication.getLayerManager().getEditLayer() == null) {
125 throw new RequestHandlerBadRequestException(tr("There is no layer opened to add node"));
126 }
127 }
128}
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