1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.command;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.marktr;
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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.util.Collection;
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8 | import java.util.Collections;
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9 |
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10 | import javax.swing.Icon;
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11 |
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12 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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13 | import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
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14 | import org.openstreetmap.josm.data.osm.Way;
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15 | import org.openstreetmap.josm.gui.DefaultNameFormatter;
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16 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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17 | import org.openstreetmap.josm.tools.ImageProvider;
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18 |
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19 | /**
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20 | * A command that adds an osm primitive to a dataset. Keys cannot be added this way.
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21 | *
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22 | * See {@link ChangeCommand} for comments on relation back references.
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23 | *
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24 | * @author imi
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25 | */
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26 | public class AddCommand extends Command {
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27 |
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28 | /**
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29 | * The primitive to add to the dataset.
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30 | */
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31 | private final OsmPrimitive osm;
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32 |
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33 | /**
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34 | * Creates the command and specify the element to add in the context of the current edit layer, if any.
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35 | * @param osm The primitive to add
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36 | */
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37 | public AddCommand(OsmPrimitive osm) {
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38 | this.osm = osm;
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39 | }
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40 |
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41 | /**
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42 | * Creates the command and specify the element to add in the context of the given data layer.
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43 | * @param layer The data layer. Must not be {@code null}
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44 | * @param osm The primitive to add
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45 | */
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46 | public AddCommand(OsmDataLayer layer, OsmPrimitive osm) {
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47 | super(layer);
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48 | this.osm = osm;
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49 | }
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50 |
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51 | protected static final void checkNodeStyles(OsmPrimitive osm) {
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52 | if (osm instanceof Way) {
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53 | // Fix #10557 - node icon not updated after undoing/redoing addition of a way
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54 | ((Way) osm).clearCachedNodeStyles();
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55 | }
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56 | }
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57 |
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58 | @Override
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59 | public boolean executeCommand() {
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60 | getLayer().data.addPrimitive(osm);
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61 | osm.setModified(true);
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62 | checkNodeStyles(osm);
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63 | return true;
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64 | }
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65 |
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66 | @Override
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67 | public void undoCommand() {
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68 | getLayer().data.removePrimitive(osm);
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69 | checkNodeStyles(osm);
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70 | }
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71 |
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72 | @Override
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73 | public void fillModifiedData(Collection<OsmPrimitive> modified, Collection<OsmPrimitive> deleted, Collection<OsmPrimitive> added) {
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74 | added.add(osm);
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75 | }
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76 |
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77 | @Override
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78 | public String getDescriptionText() {
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79 | String msg;
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80 | switch(OsmPrimitiveType.from(osm)) {
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81 | case NODE: msg = marktr("Add node {0}"); break;
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82 | case WAY: msg = marktr("Add way {0}"); break;
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83 | case RELATION: msg = marktr("Add relation {0}"); break;
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84 | default: /* should not happen */msg = ""; break;
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85 | }
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86 | return tr(msg, osm.getDisplayName(DefaultNameFormatter.getInstance()));
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87 | }
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88 |
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89 | @Override
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90 | public Icon getDescriptionIcon() {
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91 | return ImageProvider.get(osm.getDisplayType());
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92 | }
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93 |
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94 | @Override
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95 | public Collection<OsmPrimitive> getParticipatingPrimitives() {
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96 | return Collections.singleton(osm);
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97 | }
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98 |
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99 | @Override
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100 | public int hashCode() {
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101 | final int prime = 31;
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102 | int result = super.hashCode();
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103 | result = prime * result + ((osm == null) ? 0 : osm.hashCode());
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104 | return result;
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105 | }
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106 |
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107 | @Override
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108 | public boolean equals(Object obj) {
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109 | if (this == obj)
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110 | return true;
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111 | if (!super.equals(obj))
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112 | return false;
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113 | if (getClass() != obj.getClass())
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114 | return false;
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115 | AddCommand other = (AddCommand) obj;
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116 | if (osm == null) {
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117 | if (other.osm != null)
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118 | return false;
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119 | } else if (!osm.equals(other.osm))
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120 | return false;
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121 | return true;
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122 | }
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123 | }
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