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.HashSet;
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9 | import java.util.List;
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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.DataSet;
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13 | import org.openstreetmap.josm.data.osm.Node;
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14 | import org.openstreetmap.josm.data.osm.NodeData;
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15 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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16 | import org.openstreetmap.josm.data.osm.PrimitiveData;
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17 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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18 | import org.openstreetmap.josm.tools.CheckParameterUtil;
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19 |
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20 | /**
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21 | * Add primitives to a data layer.
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22 | * @since 2305
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23 | */
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24 | public class AddPrimitivesCommand extends Command {
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25 |
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26 | private List<PrimitiveData> data = new ArrayList<>();
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27 | private Collection<PrimitiveData> toSelect = new ArrayList<>();
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28 |
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29 | // only filled on undo
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30 | private List<OsmPrimitive> createdPrimitives = null;
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31 | private Collection<OsmPrimitive> createdPrimitivesToSelect = null;
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32 |
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33 | /**
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34 | * Constructs a new {@code AddPrimitivesCommand} to add data to the current edit layer.
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35 | * @param data The OSM primitives data to add. Must not be {@code null}
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36 | */
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37 | public AddPrimitivesCommand(List<PrimitiveData> data) {
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38 | this(data, data);
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39 | }
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40 |
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41 | /**
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42 | * Constructs a new {@code AddPrimitivesCommand} to add data to the current edit layer.
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43 | * @param data The OSM primitives to add. Must not be {@code null}
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44 | * @param toSelect The OSM primitives to select at the end. Can be {@code null}
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45 | * @since 5953
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46 | */
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47 | public AddPrimitivesCommand(List<PrimitiveData> data, List<PrimitiveData> toSelect) {
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48 | init(data, toSelect);
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49 | }
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50 |
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51 | /**
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52 | * Constructs a new {@code AddPrimitivesCommand} to add data to the given layer.
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53 | * @param data The OSM primitives data to add. Must not be {@code null}
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54 | * @param toSelect The OSM primitives to select at the end. Can be {@code null}
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55 | * @param layer The target data layer. Must not be {@code null}
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56 | */
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57 | public AddPrimitivesCommand(List<PrimitiveData> data, List<PrimitiveData> toSelect, OsmDataLayer layer) {
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58 | super(layer);
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59 | init(data, toSelect);
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60 | }
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61 |
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62 | private final void init(List<PrimitiveData> data, List<PrimitiveData> toSelect) {
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63 | CheckParameterUtil.ensureParameterNotNull(data, "data");
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64 | this.data.addAll(data);
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65 | if (toSelect != null) {
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66 | this.toSelect.addAll(toSelect);
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67 | }
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68 | }
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69 |
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70 | @Override public boolean executeCommand() {
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71 | Collection<OsmPrimitive> primitivesToSelect;
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72 | if (createdPrimitives == null) { // first time execution
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73 | List<OsmPrimitive> newPrimitives = new ArrayList<>(data.size());
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74 | primitivesToSelect = new ArrayList<>(toSelect.size());
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75 |
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76 | for (PrimitiveData pd : data) {
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77 | OsmPrimitive primitive = getLayer().data.getPrimitiveById(pd);
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78 | boolean created = primitive == null;
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79 | if (created) {
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80 | primitive = pd.getType().newInstance(pd.getUniqueId(), true);
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81 | }
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82 | if (pd instanceof NodeData) { // Load nodes immediately because they can't be added to dataset without coordinates
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83 | primitive.load(pd);
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84 | }
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85 | if (created) {
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86 | getLayer().data.addPrimitive(primitive);
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87 | }
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88 | newPrimitives.add(primitive);
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89 | if (toSelect.contains(pd)) {
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90 | primitivesToSelect.add(primitive);
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91 | }
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92 | }
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93 |
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94 | // Then load ways and relations
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95 | for (int i=0; i<newPrimitives.size(); i++) {
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96 | if (!(newPrimitives.get(i) instanceof Node)) {
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97 | newPrimitives.get(i).load(data.get(i));
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98 | }
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99 | }
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100 | } else { // redo
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101 | // When redoing this command, we have to add the same objects, otherwise
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102 | // a subsequent command (e.g. MoveCommand) cannot be redone.
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103 | for (OsmPrimitive osm : createdPrimitives) {
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104 | getLayer().data.addPrimitive(osm);
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105 | }
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106 | primitivesToSelect = createdPrimitivesToSelect;
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107 | }
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108 |
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109 | getLayer().data.setSelected(primitivesToSelect);
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110 | return true;
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111 | }
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112 |
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113 | @Override public void undoCommand() {
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114 | DataSet ds = getLayer().data;
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115 |
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116 | if (createdPrimitives == null) {
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117 | createdPrimitives = new ArrayList<>(data.size());
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118 | createdPrimitivesToSelect = new ArrayList<>(toSelect.size());
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119 |
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120 | for (PrimitiveData pd : data) {
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121 | OsmPrimitive p = ds.getPrimitiveById(pd);
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122 | createdPrimitives.add(p);
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123 | if (toSelect.contains(pd)) {
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124 | createdPrimitivesToSelect.add(p);
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125 | }
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126 | }
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127 | createdPrimitives = PurgeCommand.topoSort(createdPrimitives);
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128 |
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129 | for (PrimitiveData p : data) {
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130 | ds.removePrimitive(p);
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131 | }
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132 | data = null;
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133 | toSelect = null;
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134 |
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135 | } else {
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136 | for (OsmPrimitive osm : createdPrimitives) {
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137 | ds.removePrimitive(osm);
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138 | }
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139 | }
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140 | }
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141 |
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142 | @Override
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143 | public String getDescriptionText() {
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144 | int size = data != null ? data.size() : createdPrimitives.size();
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145 | return trn("Added {0} object", "Added {0} objects", size, size);
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146 | }
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147 |
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148 | @Override
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149 | public Icon getDescriptionIcon() {
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150 | return null;
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151 | }
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152 |
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153 | @Override
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154 | public void fillModifiedData(Collection<OsmPrimitive> modified, Collection<OsmPrimitive> deleted,
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155 | Collection<OsmPrimitive> added) {
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156 | // Does nothing because we don't want to create OsmPrimitives.
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157 | }
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158 |
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159 | @Override
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160 | public Collection<? extends OsmPrimitive> getParticipatingPrimitives() {
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161 | if (createdPrimitives != null)
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162 | return createdPrimitives;
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163 |
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164 | Collection<OsmPrimitive> prims = new HashSet<>();
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165 | for (PrimitiveData d : data) {
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166 | OsmPrimitive osm = getLayer().data.getPrimitiveById(d);
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167 | if (osm == null)
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168 | throw new RuntimeException();
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169 | prims.add(osm);
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170 | }
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171 | return prims;
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172 | }
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173 | }
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