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 java.util.ArrayList;
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5 | import java.util.Collections;
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6 | import java.util.List;
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7 |
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8 | import javax.swing.table.AbstractTableModel;
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9 |
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10 | import org.openstreetmap.josm.data.osm.history.HistoryOsmPrimitive;
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11 |
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12 | /**
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13 | * The table model for the tags of the version
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14 | * at {@link PointInTimeType#REFERENCE_POINT_IN_TIME}
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15 | * or {@link PointInTimeType#CURRENT_POINT_IN_TIME}
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16 | * @since 11647 (extracted from HistoryBrowserModel)
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17 | */
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18 | public final class TagTableModel extends AbstractTableModel {
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19 |
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20 | private List<String> keys;
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21 | private final PointInTimeType pointInTimeType;
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22 | private final HistoryBrowserModel model;
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23 |
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24 | /**
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25 | * Constructs a new {@code TagTableModel}.
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26 | * @param historyModel parent {@code HistoryBrowserModel}
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27 | * @param type type of point in time
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28 | */
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29 | public TagTableModel(HistoryBrowserModel historyModel, PointInTimeType type) {
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30 | model = historyModel;
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31 | pointInTimeType = type;
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32 | initKeyList();
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33 | }
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34 |
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35 | void initKeyList() {
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36 | keys = new ArrayList<>(model.getKeySet());
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37 | Collections.sort(keys);
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38 | fireTableDataChanged();
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39 | }
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40 |
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41 | @Override
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42 | public int getRowCount() {
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43 | if (keys == null)
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44 | return 0;
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45 | return keys.size();
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46 | }
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47 |
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48 | @Override
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49 | public Object getValueAt(int row, int column) {
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50 | return getKeyAt(row);
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51 | }
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52 |
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53 | /**
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54 | * Get the key for the given row.
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55 | * @param row The row
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56 | * @return The key in that row.
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57 | * @since 10637
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58 | */
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59 | public String getKeyAt(int row) {
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60 | return keys.get(row);
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61 | }
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62 |
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63 | /**
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64 | * Determines if a tag exists for the given key.
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65 | * @param key tag key
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66 | * @return {@code true} if a tag exists for the given key
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67 | */
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68 | public boolean hasTag(String key) {
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69 | HistoryOsmPrimitive primitive = model.getPointInTime(pointInTimeType);
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70 | return primitive != null && primitive.hasKey(key);
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71 | }
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72 |
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73 | /**
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74 | * Returns the tag value for the given key.
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75 | * @param key tag key
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76 | * @return tag value, or null
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77 | */
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78 | public String getValue(String key) {
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79 | HistoryOsmPrimitive primitive = model.getPointInTime(pointInTimeType);
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80 | if (primitive == null)
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81 | return null;
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82 | return primitive.get(key);
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83 | }
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84 |
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85 | /**
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86 | * Determines if a tag exists in the opposite point in time for the given key.
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87 | * @param key tag key
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88 | * @return {@code true} if a tag exists for the given key
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89 | */
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90 | public boolean oppositeHasTag(String key) {
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91 | HistoryOsmPrimitive primitive = model.getPointInTime(pointInTimeType.opposite());
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92 | return primitive != null && primitive.hasKey(key);
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93 | }
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94 |
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95 | /**
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96 | * Returns the tag value in the opposite point in time for the given key.
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97 | * @param key tag key
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98 | * @return tag value, or null
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99 | */
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100 | public String getOppositeValue(String key) {
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101 | HistoryOsmPrimitive primitive = model.getPointInTime(pointInTimeType.opposite());
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102 | if (primitive == null)
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103 | return null;
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104 | return primitive.get(key);
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105 | }
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106 |
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107 | /**
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108 | * Determines if the tag value is the same in the opposite point in time for the given key.
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109 | * @param key tag key
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110 | * @return {@code true} if the tag value is the same in the opposite point in time for the given key
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111 | */
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112 | public boolean hasSameValueAsOpposite(String key) {
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113 | String value = getValue(key);
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114 | String oppositeValue = getOppositeValue(key);
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115 | return value != null && value.equals(oppositeValue);
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116 | }
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117 |
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118 | /**
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119 | * Returns the type of point in time.
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120 | * @return the type of point in time
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121 | */
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122 | public PointInTimeType getPointInTimeType() {
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123 | return pointInTimeType;
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124 | }
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125 |
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126 | /**
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127 | * Determines if this is the current point in time.
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128 | * @return {@code true} if this is the current point in time
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129 | */
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130 | public boolean isCurrentPointInTime() {
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131 | return pointInTimeType.equals(PointInTimeType.CURRENT_POINT_IN_TIME);
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132 | }
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133 |
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134 | /**
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135 | * Determines if this is the reference point in time.
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136 | * @return {@code true} if this is the reference point in time
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137 | */
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138 | public boolean isReferencePointInTime() {
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139 | return pointInTimeType.equals(PointInTimeType.REFERENCE_POINT_IN_TIME);
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140 | }
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141 |
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142 | @Override
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143 | public int getColumnCount() {
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144 | return 2;
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145 | }
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146 | }
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