1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.dialogs.relation;
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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.BorderLayout;
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7 | import java.awt.FlowLayout;
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8 | import java.awt.Rectangle;
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9 | import java.awt.event.ActionEvent;
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10 | import java.awt.event.MouseAdapter;
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11 | import java.awt.event.MouseEvent;
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12 | import java.util.Collections;
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13 | import java.util.List;
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14 | import java.util.stream.Collectors;
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15 |
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16 | import javax.swing.AbstractAction;
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17 | import javax.swing.JButton;
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18 | import javax.swing.JCheckBox;
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19 | import javax.swing.JList;
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20 | import javax.swing.JPanel;
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21 | import javax.swing.JScrollPane;
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22 | import javax.swing.ListSelectionModel;
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23 | import javax.swing.event.ListDataEvent;
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24 | import javax.swing.event.ListDataListener;
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25 | import javax.swing.event.ListSelectionEvent;
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26 | import javax.swing.event.ListSelectionListener;
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27 |
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28 | import org.openstreetmap.josm.actions.downloadtasks.DownloadReferrersTask;
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29 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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30 | import org.openstreetmap.josm.data.osm.PrimitiveId;
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31 | import org.openstreetmap.josm.data.osm.Relation;
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32 | import org.openstreetmap.josm.gui.MainApplication;
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33 | import org.openstreetmap.josm.gui.PrimitiveRenderer;
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34 | import org.openstreetmap.josm.gui.io.DownloadPrimitivesTask;
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35 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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36 | import org.openstreetmap.josm.gui.util.GuiHelper;
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37 | import org.openstreetmap.josm.tools.ImageProvider;
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38 |
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39 | /**
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40 | * This is browser for a list of relations which refer to another relations.
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41 | * @since 1806
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42 | */
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43 | public class ReferringRelationsBrowser extends JPanel {
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44 |
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45 | /** the list of relations */
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46 | private JList<Relation> referrers;
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47 | private final ReferringRelationsBrowserModel model;
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48 | private final transient OsmDataLayer layer;
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49 | private final JCheckBox cbReadFull = new JCheckBox(tr("including immediate children of parent relations"));
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50 | private EditAction editAction;
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51 |
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52 | /**
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53 | * Constructs a new {@code ReferringRelationsBrowser}.
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54 | * @param layer OSM data layer
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55 | * @param model referring relations browser model
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56 | */
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57 | public ReferringRelationsBrowser(OsmDataLayer layer, ReferringRelationsBrowserModel model) {
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58 | this.model = model;
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59 | this.layer = layer;
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60 | build();
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61 | }
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62 |
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63 | /**
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64 | * build the GUI
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65 | */
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66 | protected void build() {
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67 | setLayout(new BorderLayout());
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68 | referrers = new JList<>(model);
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69 | referrers.setCellRenderer(new PrimitiveRenderer());
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70 | add(new JScrollPane(referrers), BorderLayout.CENTER);
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71 | referrers.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
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72 | referrers.addMouseListener(new MouseAdapter() {
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73 | @Override
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74 | public void mouseClicked(MouseEvent e) {
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75 | if (e.getClickCount() == 2
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76 | && !e.isAltDown() && !e.isAltGraphDown() && !e.isControlDown() && !e.isMetaDown() && !e.isShiftDown()) {
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77 | Rectangle cellBounds = referrers.getCellBounds(referrers.getSelectedIndex(), referrers.getSelectedIndex());
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78 | if (cellBounds != null && cellBounds.contains(e.getPoint())) {
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79 | editAction.actionPerformed(new ActionEvent(e.getSource(), ActionEvent.ACTION_PERFORMED, null));
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80 | }
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81 | }
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82 | }
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83 | });
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84 |
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85 | JPanel pnl = new JPanel(new FlowLayout(FlowLayout.LEFT));
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86 |
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87 | ReloadAction reloadAction = new ReloadAction();
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88 | referrers.getModel().addListDataListener(reloadAction);
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89 | pnl.add(new JButton(reloadAction));
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90 | pnl.add(cbReadFull);
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91 |
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92 | editAction = new EditAction();
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93 | referrers.getSelectionModel().addListSelectionListener(editAction);
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94 | pnl.add(new JButton(editAction));
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95 | add(pnl, BorderLayout.SOUTH);
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96 | }
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97 |
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98 | /**
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99 | * Initializes the model with layer data.
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100 | */
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101 | public void init() {
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102 | model.populate(getLayer().data);
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103 | }
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104 |
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105 | protected OsmDataLayer getLayer() {
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106 | return layer;
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107 | }
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108 |
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109 | /**
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110 | * Action for loading the parent relations of a relation
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111 | *
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112 | */
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113 | class ReloadAction extends AbstractAction implements ListDataListener {
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114 | ReloadAction() {
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115 | putValue(SHORT_DESCRIPTION, tr("Load parent relations"));
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116 | new ImageProvider("dialogs", "refresh").getResource().attachImageIcon(this);
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117 | putValue(NAME, tr("Reload"));
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118 | refreshEnabled();
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119 | }
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120 |
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121 | protected void refreshEnabled() {
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122 | setEnabled(model.canReload());
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123 | }
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124 |
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125 | @Override
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126 | public void actionPerformed(ActionEvent e) {
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127 | DownloadReferrersTask task = new DownloadReferrersTask(getLayer(), Collections.singleton(model.getRelation()));
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128 | MainApplication.worker.submit(task);
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129 | MainApplication.worker.submit(() -> {
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130 | if (cbReadFull.isSelected() && !task.getProgressMonitor().isCanceled()) {
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131 | // download all members of parents
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132 | List<PrimitiveId> parentsChildren = model.getRelation().referrers(Relation.class)
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133 | .collect(Collectors.toSet()).stream().flatMap(r -> r.getMemberPrimitives().stream())
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134 | .distinct().map(OsmPrimitive::getPrimitiveId).distinct().collect(Collectors.toList());
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135 | new DownloadPrimitivesTask(getLayer(), parentsChildren, false).run();
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136 | }
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137 | });
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138 | GuiHelper.executeByMainWorkerInEDT(() ->
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139 | model.populate(model.getRelation().getReferrers().stream()
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140 | .filter(Relation.class::isInstance)
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141 | .map(Relation.class::cast)
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142 | .collect(Collectors.toList()))
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143 | );
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144 | }
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145 |
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146 | @Override
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147 | public void contentsChanged(ListDataEvent e) {
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148 | refreshEnabled();
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149 | }
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150 |
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151 | @Override
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152 | public void intervalAdded(ListDataEvent e) {
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153 | refreshEnabled();
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154 | }
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155 |
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156 | @Override
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157 | public void intervalRemoved(ListDataEvent e) {
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158 | refreshEnabled();
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159 | }
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160 | }
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161 |
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162 | /**
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163 | * Action for editing the currently selected relation
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164 | *
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165 | */
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166 | class EditAction extends AbstractAction implements ListSelectionListener {
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167 | EditAction() {
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168 | putValue(SHORT_DESCRIPTION, tr("Edit the currently selected relation"));
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169 | new ImageProvider("dialogs", "edit").getResource().attachImageIcon(this);
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170 | putValue(NAME, tr("Edit"));
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171 | refreshEnabled();
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172 | }
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173 |
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174 | protected void refreshEnabled() {
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175 | setEnabled(referrers.getSelectionModel().getMinSelectionIndex() >= 0);
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176 | }
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177 |
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178 | @Override
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179 | public void actionPerformed(ActionEvent e) {
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180 | run();
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181 | }
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182 |
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183 | public void run() {
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184 | int idx = referrers.getSelectedIndex();
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185 | if (idx < 0)
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186 | return;
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187 | Relation r = model.getElementAt(idx);
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188 | if (r == null)
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189 | return;
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190 | RelationEditor editor = RelationEditor.getEditor(getLayer(), r, null);
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191 | editor.setVisible(true);
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192 | }
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193 |
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194 | @Override
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195 | public void valueChanged(ListSelectionEvent e) {
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196 | refreshEnabled();
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197 | }
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198 | }
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199 | }
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