1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.history;
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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.Point;
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7 | import java.awt.event.ActionEvent;
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8 |
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9 | import javax.swing.AbstractAction;
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10 | import javax.swing.JPopupMenu;
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11 | import javax.swing.JTable;
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12 | import javax.swing.ListSelectionModel;
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13 |
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14 | import org.openstreetmap.josm.actions.AutoScaleAction;
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15 | import org.openstreetmap.josm.actions.AutoScaleAction.AutoScaleMode;
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16 | import org.openstreetmap.josm.data.osm.IPrimitive;
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17 | import org.openstreetmap.josm.data.osm.OsmData;
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18 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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19 | import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
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20 | import org.openstreetmap.josm.data.osm.PrimitiveId;
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21 | import org.openstreetmap.josm.data.osm.SimplePrimitiveId;
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22 | import org.openstreetmap.josm.data.osm.history.History;
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23 | import org.openstreetmap.josm.gui.MainApplication;
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24 | import org.openstreetmap.josm.gui.widgets.PopupMenuLauncher;
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25 | import org.openstreetmap.josm.tools.ImageProvider;
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26 |
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27 | /**
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28 | * NodeListViewer is a UI component which displays the node list of two
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29 | * version of a {@link OsmPrimitive} in a {@link History}.
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30 | *
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31 | * <ul>
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32 | * <li>on the left, it displays the node list for the version at {@link PointInTimeType#REFERENCE_POINT_IN_TIME}</li>
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33 | * <li>on the right, it displays the node list for the version at {@link PointInTimeType#CURRENT_POINT_IN_TIME}</li>
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34 | * </ul>
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35 | * @since 1709
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36 | */
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37 | public class NodeListViewer extends HistoryViewerPanel {
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38 |
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39 | /**
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40 | * Constructs a new {@code NodeListViewer}.
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41 | * @param model history browser model
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42 | */
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43 | public NodeListViewer(HistoryBrowserModel model) {
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44 | super(model);
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45 | }
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46 |
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47 | @Override
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48 | protected JTable buildTable(PointInTimeType pointInTimeType) {
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49 | final DiffTableModel tableModel = model.getNodeListTableModel(pointInTimeType);
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50 | final NodeListTableColumnModel columnModel = new NodeListTableColumnModel();
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51 | final JTable table = new JTable(tableModel, columnModel);
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52 | tableModel.addTableModelListener(new ReversedChangeListener(table, columnModel, tr("The nodes of this way are in reverse order")));
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53 | table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
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54 | selectionSynchronizer.participateInSynchronizedSelection(table.getSelectionModel());
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55 | table.addMouseListener(new InternalPopupMenuLauncher());
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56 | table.addMouseListener(new ShowHistoryAction.DoubleClickAdapter(e -> {
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57 | int row = table.rowAtPoint(e.getPoint());
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58 | return row < 0 ? null : primitiveIdAtRow(tableModel, row);
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59 | }));
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60 | return table;
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61 | }
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62 |
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63 | static class NodeListPopupMenu extends JPopupMenu {
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64 | private final ZoomToNodeAction zoomToNodeAction;
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65 | private final ShowHistoryAction showHistoryAction;
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66 |
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67 | NodeListPopupMenu() {
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68 | zoomToNodeAction = new ZoomToNodeAction();
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69 | add(zoomToNodeAction);
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70 | showHistoryAction = new ShowHistoryAction();
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71 | add(showHistoryAction);
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72 | }
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73 |
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74 | void prepare(PrimitiveId pid) {
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75 | zoomToNodeAction.setPrimitiveId(pid);
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76 | zoomToNodeAction.updateEnabledState();
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77 |
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78 | showHistoryAction.setPrimitiveId(pid);
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79 | showHistoryAction.updateEnabledState();
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80 | }
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81 | }
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82 |
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83 | static class ZoomToNodeAction extends AbstractAction {
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84 | private transient PrimitiveId primitiveId;
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85 |
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86 | /**
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87 | * Constructs a new {@code ZoomToNodeAction}.
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88 | */
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89 | ZoomToNodeAction() {
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90 | putValue(NAME, tr("Zoom to node"));
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91 | putValue(SHORT_DESCRIPTION, tr("Zoom to this node in the current data layer"));
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92 | new ImageProvider("dialogs", "zoomin").getResource().attachImageIcon(this, true);
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93 | }
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94 |
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95 | @Override
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96 | public void actionPerformed(ActionEvent e) {
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97 | if (!isEnabled())
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98 | return;
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99 | IPrimitive p = getPrimitiveToZoom();
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100 | if (p != null && p.isSelectable()) {
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101 | p.getDataSet().setSelected(p);
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102 | AutoScaleAction.autoScale(AutoScaleMode.SELECTION);
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103 | }
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104 | }
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105 |
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106 | public void setPrimitiveId(PrimitiveId pid) {
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107 | this.primitiveId = pid;
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108 | updateEnabledState();
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109 | }
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110 |
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111 | protected IPrimitive getPrimitiveToZoom() {
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112 | if (primitiveId == null)
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113 | return null;
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114 | OsmData<?, ?, ?, ?> ds = MainApplication.getLayerManager().getActiveData();
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115 | if (ds == null)
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116 | return null;
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117 | return ds.getPrimitiveById(primitiveId);
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118 | }
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119 |
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120 | public void updateEnabledState() {
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121 | setEnabled(MainApplication.getLayerManager().getActiveData() != null && getPrimitiveToZoom() != null);
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122 | }
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123 | }
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124 |
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125 | private static PrimitiveId primitiveIdAtRow(DiffTableModel model, int row) {
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126 | Long id = (Long) model.getValueAt(row, 0).value;
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127 | return id == null ? null : new SimplePrimitiveId(id, OsmPrimitiveType.NODE);
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128 | }
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129 |
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130 | static class InternalPopupMenuLauncher extends PopupMenuLauncher {
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131 | InternalPopupMenuLauncher() {
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132 | super(new NodeListPopupMenu());
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133 | }
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134 |
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135 | @Override
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136 | protected int checkTableSelection(JTable table, Point p) {
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137 | int row = super.checkTableSelection(table, p);
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138 | ((NodeListPopupMenu) menu).prepare(primitiveIdAtRow((DiffTableModel) table.getModel(), row));
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139 | return row;
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140 | }
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141 | }
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142 |
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143 | }
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