1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.dialogs.properties;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.marktr;
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5 | import static org.openstreetmap.josm.tools.I18n.tr;
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6 | import static org.openstreetmap.josm.tools.I18n.trn;
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7 |
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8 | import java.awt.Color;
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9 | import java.awt.Component;
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10 | import java.awt.Font;
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11 | import java.util.Collection;
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12 | import java.util.Map;
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13 | import java.util.Objects;
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14 | import java.util.concurrent.CopyOnWriteArrayList;
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15 |
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16 | import javax.swing.JLabel;
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17 | import javax.swing.JTable;
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18 | import javax.swing.UIDefaults;
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19 | import javax.swing.table.DefaultTableCellRenderer;
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20 | import javax.swing.table.TableCellRenderer;
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21 |
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22 | import org.openstreetmap.josm.Main;
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23 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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24 |
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25 | /**
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26 | * Cell renderer of tags table.
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27 | * @since 6314
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28 | */
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29 | public class PropertiesCellRenderer extends DefaultTableCellRenderer {
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30 |
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31 | private final Collection<TableCellRenderer> customRenderer = new CopyOnWriteArrayList<>();
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32 |
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33 | private void setColors(Component c, String key, boolean isSelected) {
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34 | UIDefaults defaults = javax.swing.UIManager.getDefaults();
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35 | if (OsmPrimitive.getDiscardableKeys().contains(key)) {
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36 | if (isSelected) {
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37 | c.setForeground(Main.pref.getColor(marktr("Discardable key: selection Foreground"), Color.GRAY));
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38 | c.setBackground(Main.pref.getColor(marktr("Discardable key: selection Background"),
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39 | defaults.getColor("Table.selectionBackground")));
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40 | } else {
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41 | c.setForeground(Main.pref.getColor(marktr("Discardable key: foreground"), Color.GRAY));
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42 | c.setBackground(Main.pref.getColor(marktr("Discardable key: background"), defaults.getColor("Table.background")));
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43 | }
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44 | } else {
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45 | c.setForeground(defaults.getColor("Table."+(isSelected ? "selectionF" : "f")+"oreground"));
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46 | c.setBackground(defaults.getColor("Table."+(isSelected ? "selectionB" : "b")+"ackground"));
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47 | }
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48 | }
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49 |
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50 | @Override
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51 | public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
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52 | for (TableCellRenderer renderer : customRenderer) {
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53 | final Component component = renderer.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
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54 | if (component != null) {
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55 | return component;
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56 | }
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57 | }
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58 | Component c = super.getTableCellRendererComponent(table, value, isSelected, false, row, column);
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59 | if (value == null)
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60 | return this;
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61 | if (c instanceof JLabel) {
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62 | String str = null;
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63 | if (value instanceof String) {
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64 | str = (String) value;
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65 | } else if (value instanceof Map<?, ?>) {
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66 | Map<?, ?> v = (Map<?, ?>) value;
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67 | if (v.size() != 1) { // Multiple values: give user a short summary of the values
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68 | Integer blankCount;
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69 | Integer otherCount;
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70 | if (v.get("") == null) {
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71 | blankCount = 0;
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72 | otherCount = v.size();
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73 | } else {
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74 | blankCount = (Integer) v.get("");
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75 | otherCount = v.size()-1;
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76 | }
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77 | StringBuilder sb = new StringBuilder("<");
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78 | if (otherCount == 1) {
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79 | for (Map.Entry<?, ?> entry : v.entrySet()) { // Find the non-blank value in the map
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80 | if (!Objects.equals(entry.getKey(), "")) {
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81 | /* I18n: properties display partial string joined with comma, frst is count, second is value */
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82 | sb.append(tr("{0} ''{1}''", entry.getValue().toString(), entry.getKey()));
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83 | }
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84 | }
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85 | } else {
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86 | /* I18n: properties display partial string joined with comma */
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87 | sb.append(trn("{0} different", "{0} different", otherCount, otherCount));
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88 | }
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89 | if (blankCount > 0) {
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90 | /* I18n: properties display partial string joined with comma */
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91 | sb.append(trn(", {0} unset", ", {0} unset", blankCount, blankCount));
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92 | }
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93 | sb.append('>');
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94 | str = sb.toString();
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95 | c.setFont(c.getFont().deriveFont(Font.ITALIC));
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96 |
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97 | } else { // One value: display the value
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98 | final Map.Entry<?, ?> entry = v.entrySet().iterator().next();
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99 | str = (String) entry.getKey();
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100 | }
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101 | }
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102 | ((JLabel) c).putClientProperty("html.disable", Boolean.TRUE); // Fix #8730
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103 | ((JLabel) c).setText(str);
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104 | if (Main.pref.getBoolean("display.discardable-keys", false)) {
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105 | String key = null;
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106 | if (column == 0) {
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107 | key = str;
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108 | } else if (column == 1) {
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109 | Object value0 = table.getModel().getValueAt(row, 0);
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110 | if (value0 instanceof String) {
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111 | key = (String) value0;
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112 | }
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113 | }
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114 | setColors(c, key, isSelected);
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115 | }
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116 | }
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117 | return c;
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118 | }
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119 |
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120 | /**
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121 | * Adds a custom table cell renderer to render cells of the tags table.
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122 | *
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123 | * If the renderer is not capable performing a {@link TableCellRenderer#getTableCellRendererComponent},
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124 | * it should return {@code null} to fall back to the
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125 | * {@link PropertiesCellRenderer#getTableCellRendererComponent default implementation}.
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126 | * @param renderer the renderer to add
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127 | * @since 9149
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128 | */
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129 | public void addCustomRenderer(TableCellRenderer renderer) {
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130 | customRenderer.add(renderer);
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131 | }
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132 |
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133 | /**
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134 | * Removes a custom table cell renderer.
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135 | * @param renderer the renderer to remove
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136 | * @since 9149
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137 | */
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138 | public void removeCustomRenderer(TableCellRenderer renderer) {
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139 | customRenderer.remove(renderer);
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140 | }
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141 | }
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