1 | package org.openstreetmap.josm.actions;
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2 |
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3 | import static org.openstreetmap.josm.tools.I18n.tr;
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4 |
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5 | import java.awt.event.ActionEvent;
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6 |
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7 | import javax.swing.AbstractAction;
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8 | import javax.swing.event.ListSelectionEvent;
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9 | import javax.swing.event.ListSelectionListener;
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10 |
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11 | import org.openstreetmap.josm.Main;
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12 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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13 | import org.openstreetmap.josm.gui.MapView.LayerChangeListener;
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14 | import org.openstreetmap.josm.gui.conflict.pair.nodes.NodeListTable;
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15 | import org.openstreetmap.josm.gui.conflict.pair.relation.RelationMemberTable;
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16 | import org.openstreetmap.josm.gui.dialogs.relation.MemberTable;
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17 | import org.openstreetmap.josm.gui.layer.Layer;
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18 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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19 | import org.openstreetmap.josm.gui.widgets.OsmPrimitivesTable;
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20 | import org.openstreetmap.josm.tools.CheckParameterUtil;
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21 |
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22 | public class ZoomToAction extends AbstractAction implements LayerChangeListener, ListSelectionListener {
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23 |
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24 | private final OsmPrimitivesTable table;
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25 |
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26 | private final String descriptionNominal;
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27 | private final String descriptionInactiveLayer;
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28 | private final String descriptionNoSelection;
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29 |
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30 | public ZoomToAction(OsmPrimitivesTable table, String descriptionNominal, String descriptionInactiveLayer, String descriptionNoSelection) {
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31 | CheckParameterUtil.ensureParameterNotNull(table);
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32 | this.table = table;
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33 | this.descriptionNominal = descriptionNominal;
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34 | this.descriptionInactiveLayer = descriptionInactiveLayer;
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35 | this.descriptionNoSelection = descriptionNoSelection;
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36 | putValue(NAME, tr("Zoom to"));
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37 | putValue(SHORT_DESCRIPTION, descriptionNominal);
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38 | updateEnabledState();
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39 | }
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40 |
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41 | public ZoomToAction(MemberTable table) {
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42 | this(table,
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43 | tr("Zoom to the object the first selected member refers to"),
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44 | tr("Zooming disabled because layer of this relation is not active"),
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45 | tr("Zooming disabled because there is no selected member"));
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46 | }
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47 |
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48 | public ZoomToAction(RelationMemberTable table) {
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49 | this(table,
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50 | tr("Zoom to the object the first selected member refers to"),
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51 | tr("Zooming disabled because layer of this relation is not active"),
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52 | tr("Zooming disabled because there is no selected member"));
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53 | }
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54 |
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55 | public ZoomToAction(NodeListTable table) {
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56 | this(table,
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57 | tr("Zoom to the first selected node"),
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58 | tr("Zooming disabled because layer of this way is not active"),
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59 | tr("Zooming disabled because there is no selected node"));
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60 | }
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61 |
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62 | public void actionPerformed(ActionEvent e) {
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63 | if (! isEnabled())
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64 | return;
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65 | int rows[] = this.table.getSelectedRows();
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66 | if (rows == null || rows.length == 0)
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67 | return;
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68 | int row = rows[0];
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69 | OsmDataLayer layer = this.table.getLayer();
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70 | OsmPrimitive primitive = this.table.getPrimitiveInLayer(row, layer);
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71 | if (layer != null && primitive != null) {
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72 | layer.data.setSelected(primitive);
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73 | AutoScaleAction.autoScale("selection");
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74 | }
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75 | }
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76 |
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77 | protected void updateEnabledState() {
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78 | if (Main.main == null || Main.main.getEditLayer() != this.table.getLayer()) {
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79 | setEnabled(false);
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80 | putValue(SHORT_DESCRIPTION, descriptionInactiveLayer);
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81 | return;
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82 | }
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83 | if (this.table.getSelectedRowCount() == 0) {
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84 | setEnabled(false);
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85 | putValue(SHORT_DESCRIPTION, descriptionNoSelection);
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86 | return;
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87 | }
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88 | setEnabled(true);
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89 | putValue(SHORT_DESCRIPTION, descriptionNominal);
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90 | }
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91 |
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92 | public void valueChanged(ListSelectionEvent e) {
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93 | updateEnabledState();
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94 | }
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95 |
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96 | public void activeLayerChange(Layer oldLayer, Layer newLayer) {
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97 | updateEnabledState();
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98 | }
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99 |
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100 | public void layerAdded(Layer newLayer) {
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101 | updateEnabledState();
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102 | }
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103 |
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104 | public void layerRemoved(Layer oldLayer) {
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105 | updateEnabledState();
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106 | }
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107 | }
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