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.Component;
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7 | import java.util.EnumMap;
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8 | import java.util.Map;
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9 |
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10 | import javax.swing.ImageIcon;
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11 | import javax.swing.JLabel;
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12 | import javax.swing.JTable;
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13 | import javax.swing.table.TableCellRenderer;
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14 |
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15 | import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
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16 | import org.openstreetmap.josm.data.osm.RelationMemberData;
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17 | import org.openstreetmap.josm.gui.history.TwoColumnDiff.Item;
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18 | import org.openstreetmap.josm.gui.util.GuiHelper;
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19 | import org.openstreetmap.josm.tools.ImageProvider;
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20 |
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21 | /**
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22 | * The {@link TableCellRenderer} for a list of relation members in {@link HistoryBrowser}.
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23 | * @since 1709
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24 | */
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25 | public class RelationMemberListTableCellRenderer extends JLabel implements TableCellRenderer {
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26 |
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27 | private final transient Map<OsmPrimitiveType, ImageIcon> icons;
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28 |
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29 | /**
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30 | * Constructs a new {@code RelationMemberListTableCellRenderer}.
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31 | */
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32 | public RelationMemberListTableCellRenderer() {
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33 | setOpaque(true);
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34 | icons = new EnumMap<>(OsmPrimitiveType.class);
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35 | icons.put(OsmPrimitiveType.NODE, ImageProvider.get("data", "node"));
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36 | icons.put(OsmPrimitiveType.WAY, ImageProvider.get("data", "way"));
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37 | icons.put(OsmPrimitiveType.RELATION, ImageProvider.get("data", "relation"));
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38 | }
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39 |
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40 | protected void renderIcon(RelationMemberData member) {
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41 | if (member == null) {
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42 | setIcon(null);
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43 | } else {
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44 | setIcon(icons.get(member.getMemberType()));
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45 | }
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46 | }
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47 |
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48 | protected void renderRole(Item diffItem) {
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49 | RelationMemberData member = (RelationMemberData) diffItem.value;
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50 | String text = member == null ? "" : member.getRole();
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51 | setText(text);
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52 | setToolTipText(text);
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53 | GuiHelper.setBackgroundReadable(this, diffItem.state.getColor());
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54 | }
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55 |
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56 | protected void renderPrimitive(Item diffItem) {
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57 | String text = "";
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58 | RelationMemberData member = (RelationMemberData) diffItem.value;
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59 | if (member != null) {
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60 | switch(member.getMemberType()) {
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61 | case NODE: text = tr("Node {0}", member.getMemberId()); break;
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62 | case WAY: text = tr("Way {0}", member.getMemberId()); break;
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63 | case RELATION: text = tr("Relation {0}", member.getMemberId()); break;
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64 | default: throw new AssertionError();
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65 | }
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66 | }
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67 | setText(text);
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68 | setToolTipText(text);
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69 | GuiHelper.setBackgroundReadable(this, diffItem.state.getColor());
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70 | }
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71 |
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72 | // Warning: The model pads with null-rows to match the size of the opposite table. 'value' could be null
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73 | @Override
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74 | public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
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75 | int row, int column) {
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76 |
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77 | if (value == null) return this;
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78 | Item member = (TwoColumnDiff.Item) value;
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79 | renderIcon((RelationMemberData) member.value);
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80 | switch(column) {
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81 | case 0:
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82 | renderRole(member);
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83 | break;
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84 | case 1:
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85 | renderPrimitive(member);
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86 | break;
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87 | default: // Do nothing
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88 | }
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89 |
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90 | return this;
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91 | }
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92 | }
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