1 | // License: GPL. For details, see LICENSE file.
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2 | // Author: David Earl
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3 | package org.openstreetmap.josm.actions;
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4 |
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5 | import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
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6 | import static org.openstreetmap.josm.tools.I18n.tr;
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7 |
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8 | import java.awt.MouseInfo;
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9 | import java.awt.Point;
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10 | import java.awt.event.ActionEvent;
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11 | import java.awt.event.KeyEvent;
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12 | import java.util.ArrayList;
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13 | import java.util.HashMap;
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14 | import java.util.List;
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15 | import java.util.Map;
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16 |
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17 | import org.openstreetmap.josm.Main;
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18 | import org.openstreetmap.josm.command.AddPrimitivesCommand;
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19 | import org.openstreetmap.josm.data.coor.EastNorth;
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20 | import org.openstreetmap.josm.data.osm.NodeData;
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21 | import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
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22 | import org.openstreetmap.josm.data.osm.PrimitiveData;
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23 | import org.openstreetmap.josm.data.osm.PrimitiveDeepCopy;
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24 | import org.openstreetmap.josm.data.osm.PrimitiveDeepCopy.PasteBufferChangedListener;
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25 | import org.openstreetmap.josm.data.osm.RelationData;
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26 | import org.openstreetmap.josm.data.osm.RelationMemberData;
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27 | import org.openstreetmap.josm.data.osm.WayData;
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28 | import org.openstreetmap.josm.gui.ExtendedDialog;
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29 | import org.openstreetmap.josm.gui.layer.Layer;
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30 | import org.openstreetmap.josm.tools.Shortcut;
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31 |
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32 | /**
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33 | * Paste OSM primitives from clipboard to the current edit layer.
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34 | * @since 404
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35 | */
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36 | public final class PasteAction extends JosmAction implements PasteBufferChangedListener {
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37 |
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38 | /**
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39 | * Constructs a new {@code PasteAction}.
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40 | */
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41 | public PasteAction() {
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42 | super(tr("Paste"), "paste", tr("Paste contents of paste buffer."),
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43 | Shortcut.registerShortcut("system:paste", tr("Edit: {0}", tr("Paste")), KeyEvent.VK_V, Shortcut.CTRL), true);
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44 | putValue("help", ht("/Action/Paste"));
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45 | // CUA shortcut for paste (https://en.wikipedia.org/wiki/IBM_Common_User_Access#Description)
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46 | Main.registerActionShortcut(this,
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47 | Shortcut.registerShortcut("system:paste:cua", tr("Edit: {0}", tr("Paste")), KeyEvent.VK_INSERT, Shortcut.SHIFT));
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48 | Main.pasteBuffer.addPasteBufferChangedListener(this);
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49 | }
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50 |
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51 | @Override
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52 | public void actionPerformed(ActionEvent e) {
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53 | if (!isEnabled())
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54 | return;
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55 | pasteData(Main.pasteBuffer, Main.pasteSource, e);
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56 | }
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57 |
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58 | /**
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59 | * Paste OSM primitives from the given paste buffer and OSM data layer source to the current edit layer.
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60 | * @param pasteBuffer The paste buffer containing primitive ids to copy
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61 | * @param source The OSM data layer used to look for primitive ids
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62 | * @param e The ActionEvent that triggered this operation
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63 | */
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64 | public void pasteData(PrimitiveDeepCopy pasteBuffer, Layer source, ActionEvent e) {
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65 | /* Find the middle of the pasteBuffer area */
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66 | double maxEast = -1E100, minEast = 1E100, maxNorth = -1E100, minNorth = 1E100;
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67 | boolean incomplete = false;
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68 | for (PrimitiveData data : pasteBuffer.getAll()) {
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69 | if (data instanceof NodeData) {
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70 | NodeData n = (NodeData) data;
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71 | if (n.getEastNorth() != null) {
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72 | double east = n.getEastNorth().east();
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73 | double north = n.getEastNorth().north();
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74 | if (east > maxEast) {
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75 | maxEast = east;
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76 | }
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77 | if (east < minEast) {
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78 | minEast = east;
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79 | }
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80 | if (north > maxNorth) {
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81 | maxNorth = north;
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82 | }
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83 | if (north < minNorth) {
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84 | minNorth = north;
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85 | }
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86 | }
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87 | }
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88 | if (data.isIncomplete()) {
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89 | incomplete = true;
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90 | }
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91 | }
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92 |
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93 | // Allow to cancel paste if there are incomplete primitives
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94 | if (incomplete) {
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95 | if (!confirmDeleteIncomplete()) return;
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96 | }
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97 |
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98 | // default to paste in center of map (pasted via menu or cursor not in MapView)
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99 | EastNorth mPosition = Main.map.mapView.getCenter();
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100 | // We previously checked for modifier to know if the action has been trigerred via shortcut or via menu
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101 | // But this does not work if the shortcut is changed to a single key (see #9055)
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102 | // Observed behaviour: getActionCommand() returns Action.NAME when triggered via menu, but shortcut text when triggered with it
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103 | if (e != null && !getValue(NAME).equals(e.getActionCommand())) {
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104 | final Point mp = MouseInfo.getPointerInfo().getLocation();
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105 | final Point tl = Main.map.mapView.getLocationOnScreen();
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106 | final Point pos = new Point(mp.x-tl.x, mp.y-tl.y);
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107 | if (Main.map.mapView.contains(pos)) {
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108 | mPosition = Main.map.mapView.getEastNorth(pos.x, pos.y);
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109 | }
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110 | }
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111 |
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112 | double offsetEast = mPosition.east() - (maxEast + minEast)/2.0;
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113 | double offsetNorth = mPosition.north() - (maxNorth + minNorth)/2.0;
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114 |
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115 | // Make a copy of pasteBuffer and map from old id to copied data id
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116 | List<PrimitiveData> bufferCopy = new ArrayList<>();
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117 | List<PrimitiveData> toSelect = new ArrayList<>();
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118 | Map<Long, Long> newNodeIds = new HashMap<>();
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119 | Map<Long, Long> newWayIds = new HashMap<>();
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120 | Map<Long, Long> newRelationIds = new HashMap<>();
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121 | for (PrimitiveData data: pasteBuffer.getAll()) {
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122 | if (data.isIncomplete()) {
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123 | continue;
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124 | }
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125 | PrimitiveData copy = data.makeCopy();
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126 | copy.clearOsmMetadata();
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127 | if (data instanceof NodeData) {
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128 | newNodeIds.put(data.getUniqueId(), copy.getUniqueId());
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129 | } else if (data instanceof WayData) {
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130 | newWayIds.put(data.getUniqueId(), copy.getUniqueId());
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131 | } else if (data instanceof RelationData) {
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132 | newRelationIds.put(data.getUniqueId(), copy.getUniqueId());
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133 | }
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134 | bufferCopy.add(copy);
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135 | if (pasteBuffer.getDirectlyAdded().contains(data)) {
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136 | toSelect.add(copy);
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137 | }
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138 | }
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139 |
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140 | // Update references in copied buffer
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141 | for (PrimitiveData data:bufferCopy) {
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142 | if (data instanceof NodeData) {
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143 | NodeData nodeData = (NodeData) data;
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144 | if (Main.main.getEditLayer() == source) {
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145 | nodeData.setEastNorth(nodeData.getEastNorth().add(offsetEast, offsetNorth));
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146 | }
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147 | } else if (data instanceof WayData) {
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148 | List<Long> newNodes = new ArrayList<>();
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149 | for (Long oldNodeId: ((WayData) data).getNodes()) {
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150 | Long newNodeId = newNodeIds.get(oldNodeId);
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151 | if (newNodeId != null) {
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152 | newNodes.add(newNodeId);
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153 | }
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154 | }
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155 | ((WayData) data).setNodes(newNodes);
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156 | } else if (data instanceof RelationData) {
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157 | List<RelationMemberData> newMembers = new ArrayList<>();
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158 | for (RelationMemberData member: ((RelationData) data).getMembers()) {
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159 | OsmPrimitiveType memberType = member.getMemberType();
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160 | Long newId = null;
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161 | switch (memberType) {
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162 | case NODE:
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163 | newId = newNodeIds.get(member.getMemberId());
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164 | break;
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165 | case WAY:
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166 | newId = newWayIds.get(member.getMemberId());
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167 | break;
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168 | case RELATION:
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169 | newId = newRelationIds.get(member.getMemberId());
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170 | break;
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171 | }
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172 | if (newId != null) {
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173 | newMembers.add(new RelationMemberData(member.getRole(), memberType, newId));
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174 | }
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175 | }
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176 | ((RelationData) data).setMembers(newMembers);
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177 | }
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178 | }
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179 |
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180 | /* Now execute the commands to add the duplicated contents of the paste buffer to the map */
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181 | Main.main.undoRedo.add(new AddPrimitivesCommand(bufferCopy, toSelect));
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182 | Main.map.mapView.repaint();
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183 | }
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184 |
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185 | protected boolean confirmDeleteIncomplete() {
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186 | ExtendedDialog ed = new ExtendedDialog(Main.parent,
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187 | tr("Delete incomplete members?"),
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188 | new String[] {tr("Paste without incomplete members"), tr("Cancel")});
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189 | ed.setButtonIcons(new String[] {"dialogs/relation/deletemembers", "cancel"});
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190 | ed.setContent(tr("The copied data contains incomplete objects. "
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191 | + "When pasting the incomplete objects are removed. "
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192 | + "Do you want to paste the data without the incomplete objects?"));
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193 | ed.showDialog();
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194 | return ed.getValue() == 1;
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195 | }
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196 |
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197 | @Override
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198 | protected void updateEnabledState() {
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199 | if (getCurrentDataSet() == null || Main.pasteBuffer == null) {
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200 | setEnabled(false);
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201 | return;
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202 | }
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203 | setEnabled(!Main.pasteBuffer.isEmpty());
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204 | }
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205 |
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206 | @Override
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207 | public void pasteBufferChanged(PrimitiveDeepCopy pasteBuffer) {
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208 | updateEnabledState();
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209 | }
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210 | }
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