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.trn;
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5 |
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6 | import java.util.ArrayList;
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7 | import java.util.Collection;
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8 | import java.util.Collections;
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9 | import java.util.List;
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10 | import java.util.ListIterator;
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11 |
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12 | import javax.swing.JLabel;
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13 | import javax.swing.tree.DefaultMutableTreeNode;
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14 | import javax.swing.tree.MutableTreeNode;
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15 |
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16 | import org.openstreetmap.josm.data.osm.DataSet;
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17 | import org.openstreetmap.josm.data.osm.Node;
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18 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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19 | import org.openstreetmap.josm.data.osm.Relation;
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20 | import org.openstreetmap.josm.data.osm.RelationMember;
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21 | import org.openstreetmap.josm.data.osm.Way;
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22 | import org.openstreetmap.josm.tools.ImageProvider;
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23 |
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24 | /**
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25 | * Represents a command for undeleting an {@see OsmPrimitive} which was deleted on the server.
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26 | * The command remembers the former node id and sets the node id to 0. This turns
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27 | * the node into a new node which can be uploaded to the server.
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28 | *
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29 | */
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30 | public class UndeletePrimitivesCommand extends ConflictResolveCommand {
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31 | //static private final Logger logger = Logger.getLogger(UndeletePrimitivesCommand.class.getName());
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32 |
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33 | /** the node to undelete */
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34 | private final List<OsmPrimitive> toUndelete = new ArrayList<OsmPrimitive>();
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35 | /** primitives that replaced undeleted primitives */
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36 | private final List<OsmPrimitive> replacedPrimitives = new ArrayList<OsmPrimitive>();
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37 |
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38 | /**
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39 | * constructor
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40 | * @param node the node to undelete
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41 | */
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42 | public UndeletePrimitivesCommand(OsmPrimitive node) {
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43 | toUndelete.add(node);
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44 | }
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45 |
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46 | /**
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47 | * constructor
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48 | * @param node the node to undelete
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49 | */
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50 | public UndeletePrimitivesCommand(OsmPrimitive ... toUndelete) {
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51 | for (int i=0; i < toUndelete.length; i++) {
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52 | this.toUndelete.add(toUndelete[i]);
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53 | }
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54 | }
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55 |
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56 | /**
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57 | * constructor
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58 | * @param node the node to undelete
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59 | */
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60 | public UndeletePrimitivesCommand(Collection<OsmPrimitive> toUndelete) {
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61 | this.toUndelete.addAll(toUndelete);
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62 | }
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63 |
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64 | @Override
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65 | public MutableTreeNode description() {
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66 | return new DefaultMutableTreeNode(
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67 | new JLabel(
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68 | trn("Undelete {0} primitive", "Undelete {0} primitives", toUndelete.size(), toUndelete.size()),
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69 | ImageProvider.get("data", "object"),
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70 | JLabel.HORIZONTAL
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71 | )
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72 | );
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73 | }
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74 |
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75 | @Override
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76 | public boolean executeCommand() {
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77 | super.executeCommand();
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78 |
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79 | replacedPrimitives.clear();
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80 | for(OsmPrimitive primitive: toUndelete) {
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81 | if(getLayer().getConflicts().hasConflictForMy(primitive)) {
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82 | rememberConflict(getLayer().getConflicts().getConflictForMy(primitive));
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83 | getLayer().getConflicts().remove(primitive);
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84 | }
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85 | OsmPrimitive prim;
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86 | switch (primitive.getType()) {
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87 | case NODE:
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88 | prim = new Node((Node)primitive, true);
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89 | break;
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90 | case WAY:
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91 | prim = new Way((Way)primitive, true);
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92 | break;
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93 | case RELATION:
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94 | prim = new Relation((Relation)primitive, true);
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95 | break;
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96 | default:
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97 | throw new AssertionError();
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98 | }
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99 | replacedPrimitives.add(prim);
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100 | replacePrimitive(getLayer().data, primitive, prim);
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101 | }
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102 | return true;
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103 | }
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104 |
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105 | private void replacePrimitive(DataSet dataSet, OsmPrimitive oldPrim, OsmPrimitive newPrim) {
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106 | dataSet.addPrimitive(newPrim);
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107 | for (OsmPrimitive referrer: oldPrim.getReferrers()) {
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108 | if (referrer instanceof Way) {
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109 | Way w = (Way)referrer;
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110 | List<Node> nodes = w.getNodes();
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111 | Collections.replaceAll(nodes, (Node)oldPrim, (Node)newPrim);
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112 | w.setNodes(nodes);
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113 | w.setModified(true);
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114 | } else if (referrer instanceof Relation) {
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115 | Relation r = (Relation)referrer;
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116 | List<RelationMember> members = r.getMembers();
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117 | ListIterator<RelationMember> it = members.listIterator();
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118 | while (it.hasNext()) {
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119 | RelationMember rm = it.next();
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120 | if (rm.getMember() == oldPrim) {
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121 | it.set(new RelationMember(rm.getRole(), newPrim));
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122 | }
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123 | }
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124 | r.setMembers(members);
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125 | r.setModified(true);
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126 | }
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127 | }
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128 | dataSet.removePrimitive(oldPrim);
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129 | }
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130 |
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131 | @Override
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132 | public void undoCommand() {
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133 | for (int i=0; i<toUndelete.size(); i++) {
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134 | replacePrimitive(getLayer().data, replacedPrimitives.get(i), toUndelete.get(i));
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135 | }
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136 | super.undoCommand();
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137 | }
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138 |
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139 | @Override
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140 | public void fillModifiedData(Collection<OsmPrimitive> modified, Collection<OsmPrimitive> deleted,
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141 | Collection<OsmPrimitive> added) {
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142 | }
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143 | }
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