1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.dialogs.layer;
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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.event.ActionEvent;
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7 |
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8 | import javax.swing.AbstractAction;
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9 |
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10 | import org.openstreetmap.josm.data.osm.DataSet;
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11 | import org.openstreetmap.josm.gui.MainApplication;
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12 | import org.openstreetmap.josm.gui.dialogs.IEnabledStateUpdating;
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13 | import org.openstreetmap.josm.gui.dialogs.LayerListDialog.LayerListModel;
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14 | import org.openstreetmap.josm.gui.help.HelpUtil;
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15 | import org.openstreetmap.josm.gui.layer.Layer;
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16 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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17 | import org.openstreetmap.josm.tools.CheckParameterUtil;
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18 | import org.openstreetmap.josm.tools.ImageProvider;
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19 |
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20 | /**
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21 | * The action to duplicate the given selected layer into another layer.
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22 | */
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23 | public final class DuplicateAction extends AbstractAction implements IEnabledStateUpdating {
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24 | private transient Layer layer;
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25 | private final LayerListModel model;
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26 |
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27 | /**
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28 | * Constructs a new {@code DuplicateAction}.
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29 | * @param layer the layer
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30 | * @param model layer list model
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31 | * @throws IllegalArgumentException if {@code layer} is null
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32 | */
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33 | public DuplicateAction(Layer layer, LayerListModel model) {
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34 | this(model);
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35 | CheckParameterUtil.ensureParameterNotNull(layer, "layer");
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36 | this.layer = layer;
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37 | updateEnabledState();
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38 | }
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39 |
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40 | /**
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41 | * Constructs a new {@code DuplicateAction}.
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42 | * @param model layer list model
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43 | */
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44 | public DuplicateAction(LayerListModel model) {
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45 | this.model = model;
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46 | putValue(NAME, tr("Duplicate"));
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47 | new ImageProvider("dialogs", "duplicatelayer").getResource().attachImageIcon(this, true);
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48 | putValue(SHORT_DESCRIPTION, tr("Duplicate this layer"));
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49 | putValue("help", HelpUtil.ht("/Dialog/LayerList#DuplicateLayer"));
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50 | updateEnabledState();
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51 | }
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52 |
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53 | private static void duplicate(Layer layer) {
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54 | if (layer instanceof OsmDataLayer) {
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55 | String newName = LayerListTransferHandler.suggestNewLayerName(layer.getName(), MainApplication.getLayerManager().getLayers());
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56 | OsmDataLayer oldLayer = (OsmDataLayer) layer;
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57 | MainApplication.getLayerManager().addLayer(new OsmDataLayer(new DataSet(oldLayer.getDataSet()), newName, null));
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58 | }
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59 | }
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60 |
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61 | @Override
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62 | public void actionPerformed(ActionEvent e) {
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63 | if (layer != null) {
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64 | duplicate(layer);
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65 | } else {
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66 | duplicate(model.getSelectedLayers().get(0));
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67 | }
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68 | }
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69 |
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70 | @Override
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71 | public void updateEnabledState() {
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72 | if (layer == null) {
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73 | if (model != null && model.getSelectedLayers().size() == 1) {
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74 | setEnabled(model.getSelectedLayers().get(0) instanceof OsmDataLayer);
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75 | } else {
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76 | setEnabled(false);
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77 | }
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78 | } else {
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79 | setEnabled(layer instanceof OsmDataLayer);
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80 | }
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81 | }
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82 | }
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