1 | // License: GPL. For details, see LICENSE file.
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2 | package com.innovant.josm.plugin.routing.actions;
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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.awt.event.MouseEvent;
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8 | import java.util.List;
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9 |
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10 | import org.apache.log4j.Logger;
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11 | import org.openstreetmap.josm.actions.mapmode.MapMode;
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12 | import org.openstreetmap.josm.data.osm.Node;
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13 | import org.openstreetmap.josm.gui.MainApplication;
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14 | import org.openstreetmap.josm.gui.layer.Layer;
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15 | import org.openstreetmap.josm.tools.ImageProvider;
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16 |
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17 | import com.innovant.josm.plugin.routing.RoutingLayer;
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18 | import com.innovant.josm.plugin.routing.RoutingModel;
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19 | import com.innovant.josm.plugin.routing.RoutingPlugin;
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20 | import com.innovant.josm.plugin.routing.gui.RoutingDialog;
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21 |
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22 | /**
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23 | * Accounts for the selection or unselection of the routing tool in the tool bar,
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24 | * and the mouse events when this tool is selected
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25 | * @author Juangui
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26 | * @author Jose Vidal
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27 | *
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28 | */
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29 | public class MoveRouteNodeAction extends MapMode {
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30 |
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31 | /**
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32 | * Square of the distance radius where route nodes can be selected for dragging
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33 | */
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34 | private static final int DRAG_SQR_RADIUS = 100;
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35 |
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36 | /**
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37 | * Logger.
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38 | */
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39 | static Logger logger = Logger.getLogger(RoutingLayer.class);
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40 |
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41 | /**
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42 | * Index of dragged node
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43 | */
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44 | private int index;
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45 |
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46 | /**
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47 | * Constructor
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48 | * @param mapFrame map frame
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49 | */
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50 | public MoveRouteNodeAction() {
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51 | // TODO Use constructor with shortcut
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52 | super(tr("Routing"), "move",
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53 | tr("Click and drag to move destination"),
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54 | ImageProvider.getCursor("normal", "move"));
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55 | }
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56 |
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57 | @Override public void enterMode() {
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58 | super.enterMode();
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59 | MainApplication.getMap().mapView.addMouseListener(this);
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60 | }
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61 |
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62 | @Override public void exitMode() {
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63 | super.exitMode();
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64 | MainApplication.getMap().mapView.removeMouseListener(this);
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65 | }
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66 |
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67 | @Override public void mousePressed(MouseEvent e) {
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68 | // If left button is pressed
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69 | if (e.getButton() == MouseEvent.BUTTON1) {
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70 | if (MainApplication.getLayerManager().getActiveLayer() instanceof RoutingLayer) {
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71 | requestFocusInMapView();
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72 | RoutingLayer layer = (RoutingLayer) MainApplication.getLayerManager().getActiveLayer();
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73 | RoutingModel routingModel = layer.getRoutingModel();
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74 | // Search for the nearest node in the list
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75 | List<Node> nl = routingModel.getSelectedNodes();
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76 | index = -1;
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77 | double dmax = DRAG_SQR_RADIUS; // maximum distance, in pixels
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78 | for (int i = 0; i < nl.size(); i++) {
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79 | Node node = nl.get(i);
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80 | double d = MainApplication.getMap().mapView.getPoint(node).distanceSq(e.getPoint());
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81 | if (d < dmax) {
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82 | dmax = d;
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83 | index = i;
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84 | }
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85 | }
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86 | if (index >= 0)
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87 | logger.debug("Moved from node " + nl.get(index));
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88 | }
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89 | }
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90 | }
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91 |
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92 | @Override public void mouseReleased(MouseEvent e) {
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93 | // If left button is released and a route node is being dragged
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94 | if ((e.getButton() == MouseEvent.BUTTON1) && (index >= 0)) {
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95 | searchAndReplaceNode(e.getPoint());
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96 | }
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97 | }
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98 |
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99 | @Override public void mouseDragged(MouseEvent e) {
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100 | }
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101 |
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102 | private void searchAndReplaceNode(Point point) {
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103 | if (MainApplication.getLayerManager().getActiveLayer() instanceof RoutingLayer) {
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104 | RoutingLayer layer = (RoutingLayer) MainApplication.getLayerManager().getActiveLayer();
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105 | RoutingModel routingModel = layer.getRoutingModel();
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106 | RoutingDialog routingDialog = RoutingPlugin.getInstance().getRoutingDialog();
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107 | // Search for nearest highway node
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108 | Node node = null;
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109 | node = layer.getNearestHighwayNode(point);
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110 | if (node == null) {
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111 | logger.debug("Didn't found a close node to move to.");
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112 | return;
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113 | }
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114 | logger.debug("Moved to node " + node);
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115 | routingModel.removeNode(index);
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116 | routingDialog.removeNode(index);
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117 | routingModel.insertNode(index, node);
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118 | routingDialog.insertNode(index, node);
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119 | MainApplication.getMap().repaint();
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120 | }
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121 | }
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122 |
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123 | @Override public boolean layerIsSupported(Layer l) {
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124 | return l instanceof RoutingLayer;
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125 | }
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126 | }
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