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.util.ArrayList;
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7 | import java.util.Collections;
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8 | import java.util.HashSet;
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9 | import java.util.Observable;
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10 | import java.util.logging.Logger;
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11 |
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12 | import javax.swing.table.DefaultTableModel;
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13 |
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14 | import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
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15 | import org.openstreetmap.josm.data.osm.history.History;
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16 | import org.openstreetmap.josm.data.osm.history.HistoryOsmPrimitive;
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17 | import org.openstreetmap.josm.data.osm.history.HistoryRelation;
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18 | import org.openstreetmap.josm.data.osm.history.HistoryWay;
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19 |
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20 | /**
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21 | * This is the model used by the history browser.
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22 | *
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23 | * The state this model manages consists of the following elements:
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24 | * <ul>
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25 | * <li>the {@see History} of a specific {@see OsmPrimitive}</li>
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26 | * <li>a dedicated version in this {@see History} called the {@see PointInTimeType#REFERENCE_POINT_IN_TIME}</li>
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27 | * <li>another version in this {@see History} called the {@see PointInTimeType#CURRENT_POINT_IN_TIME}</li>
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28 | * <ul>
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29 | * {@see HistoryBrowser} always compares the {@see PointInTimeType#REFERENCE_POINT_IN_TIME} with the
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30 | * {@see PointInTimeType#CURRENT_POINT_IN_TIME}.
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31 |
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32 | * This model provides various {@see TableModel}s for {@see JTable}s used in {@see HistoryBrowser}, for
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33 | * instance:
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34 | * <ul>
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35 | * <li>{@see #getTagTableModel(PointInTimeType)} replies a {@see TableModel} for the tags of either of
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36 | * the two selected versions</li>
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37 | * <li>{@see #getNodeListTableModel(PointInTimeType)} replies a {@see TableModel} for the list of nodes of
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38 | * the two selected versions (if the current history provides information about a {@see Way}</li>
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39 | * <li> {@see #getRelationMemberTableModel(PointInTimeType)} replies a {@see TableModel} for the list of relation
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40 | * members of the two selected versions (if the current history provides information about a {@see Relation}</li>
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41 | * </ul>
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42 | *
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43 | * @see HistoryBrowser
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44 | */
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45 | public class HistoryBrowserModel extends Observable {
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46 |
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47 | private static Logger logger = Logger.getLogger(HistoryBrowserModel.class.getName());
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48 |
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49 | /** the history of an OsmPrimitive */
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50 | private History history;
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51 | private HistoryOsmPrimitive reference;
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52 | private HistoryOsmPrimitive current;
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53 |
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54 | private VersionTableModel versionTableModel;
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55 | private TagTableModel currentTagTableModel;
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56 | private TagTableModel referenceTagTableModel;
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57 | private NodeListTableModel currentNodeListTableModel;
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58 | private NodeListTableModel referenceNodeListTableModel;
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59 | private RelationMemberTableModel currentRelationMemberTableModel;
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60 | private RelationMemberTableModel referenceRelationMemberTableModel;
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61 |
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62 | public HistoryBrowserModel() {
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63 | versionTableModel = new VersionTableModel();
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64 | currentTagTableModel = new TagTableModel(PointInTimeType.CURRENT_POINT_IN_TIME);
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65 | referenceTagTableModel = new TagTableModel(PointInTimeType.REFERENCE_POINT_IN_TIME);
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66 | currentNodeListTableModel = new NodeListTableModel(PointInTimeType.CURRENT_POINT_IN_TIME);
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67 | referenceNodeListTableModel = new NodeListTableModel(PointInTimeType.REFERENCE_POINT_IN_TIME);
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68 | currentRelationMemberTableModel = new RelationMemberTableModel(PointInTimeType.CURRENT_POINT_IN_TIME);
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69 | referenceRelationMemberTableModel = new RelationMemberTableModel(PointInTimeType.REFERENCE_POINT_IN_TIME);
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70 | }
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71 |
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72 | public HistoryBrowserModel(History history) {
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73 | this();
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74 | setHistory(history);
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75 | }
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76 |
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77 | /**
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78 | * replies the history managed by this model
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79 | * @return the history
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80 | */
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81 | public History getHistory() {
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82 | return history;
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83 | }
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84 |
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85 | /**
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86 | * sets the history to be managed by this model
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87 | *
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88 | * @param history the history
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89 | *
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90 | */
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91 | public void setHistory(History history) {
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92 | this.history = history;
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93 | if (history.getNumVersions() > 0) {
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94 | current = history.getEarliest();
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95 | reference = history.getEarliest();
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96 | }
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97 | initTagTableModels();
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98 | fireModelChange();
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99 | }
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100 |
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101 |
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102 | protected void fireModelChange() {
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103 | setChanged();
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104 | notifyObservers();
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105 | versionTableModel.fireTableDataChanged();
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106 | }
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107 |
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108 | /**
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109 | * Replies the table model to be used in a {@see JTable} which
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110 | * shows the list of versions in this history.
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111 | *
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112 | * @return the table model
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113 | */
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114 | public VersionTableModel getVersionTableModel() {
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115 | return versionTableModel;
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116 | }
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117 |
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118 | protected void initTagTableModels() {
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119 | currentTagTableModel.initKeyList();
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120 | referenceTagTableModel.initKeyList();
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121 | }
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122 |
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123 | protected void initNodeListTabeModel() {
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124 | currentNodeListTableModel.fireTableDataChanged();
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125 | referenceNodeListTableModel.fireTableDataChanged();
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126 | }
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127 |
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128 | protected void initMemberListTableModel() {
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129 | currentRelationMemberTableModel.fireTableDataChanged();
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130 | referenceRelationMemberTableModel.fireTableDataChanged();
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131 | }
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132 |
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133 | /**
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134 | * replies the tag table model for the respective point in time
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135 | *
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136 | * @param pointInTimeType the type of the point in time (must not be null)
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137 | * @return the tag table model
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138 | * @exception IllegalArgumentException thrown, if pointInTimeType is null
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139 | */
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140 | public TagTableModel getTagTableModel(PointInTimeType pointInTimeType) throws IllegalArgumentException {
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141 | if (pointInTimeType == null)
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142 | throw new IllegalArgumentException(tr("Parameter ''{0}'' must not be null.", "pointInTimeType"));
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143 | if (pointInTimeType.equals(PointInTimeType.CURRENT_POINT_IN_TIME))
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144 | return currentTagTableModel;
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145 | else if (pointInTimeType.equals(PointInTimeType.REFERENCE_POINT_IN_TIME))
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146 | return referenceTagTableModel;
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147 |
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148 | // should not happen
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149 | return null;
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150 | }
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151 |
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152 | public NodeListTableModel getNodeListTableModel(PointInTimeType pointInTimeType) throws IllegalArgumentException {
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153 | if (pointInTimeType == null)
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154 | throw new IllegalArgumentException(tr("Parameter ''{0}'' must not be null.", "pointInTimeType"));
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155 | if (pointInTimeType.equals(PointInTimeType.CURRENT_POINT_IN_TIME))
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156 | return currentNodeListTableModel;
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157 | else if (pointInTimeType.equals(PointInTimeType.REFERENCE_POINT_IN_TIME))
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158 | return referenceNodeListTableModel;
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159 |
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160 | // should not happen
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161 | return null;
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162 | }
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163 |
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164 | public RelationMemberTableModel getRelationMemberTableModel(PointInTimeType pointInTimeType) throws IllegalArgumentException {
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165 | if (pointInTimeType == null)
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166 | throw new IllegalArgumentException(tr("Parameter ''{0}'' must not be null.", "pointInTimeType"));
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167 | if (pointInTimeType.equals(PointInTimeType.CURRENT_POINT_IN_TIME))
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168 | return currentRelationMemberTableModel;
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169 | else if (pointInTimeType.equals(PointInTimeType.REFERENCE_POINT_IN_TIME))
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170 | return referenceRelationMemberTableModel;
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171 |
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172 | // should not happen
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173 | return null;
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174 | }
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175 |
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176 | public void setReferencePointInTime(HistoryOsmPrimitive reference) throws IllegalArgumentException, IllegalStateException{
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177 | if (reference == null)
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178 | throw new IllegalArgumentException(tr("Parameter ''{0}'' must not be null.", "reference"));
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179 | if (history == null)
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180 | throw new IllegalStateException(tr("History not initialized yet. Failed to set reference primitive."));
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181 | if (reference.getId() != history.getId())
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182 | throw new IllegalArgumentException(tr("Failed to set reference. Reference ID {0} does not match history ID {1}.", reference.getId(), history.getId()));
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183 | HistoryOsmPrimitive primitive = history.getByVersion(reference.getVersion());
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184 | if (primitive == null)
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185 | throw new IllegalArgumentException(tr("Failed to set reference. Reference version {0} not available in history.", reference.getVersion()));
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186 |
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187 | this.reference = reference;
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188 | initTagTableModels();
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189 | initNodeListTabeModel();
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190 | initMemberListTableModel();
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191 | setChanged();
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192 | notifyObservers();
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193 | }
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194 |
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195 | public void setCurrentPointInTime(HistoryOsmPrimitive current) throws IllegalArgumentException, IllegalStateException{
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196 | if (current == null)
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197 | throw new IllegalArgumentException(tr("Parameter ''{0}'' must not be null.", "current"));
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198 | if (history == null)
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199 | throw new IllegalStateException(tr("History not initialized yet. Failed to set current primitive."));
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200 | if (current.getId() != history.getId())
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201 | throw new IllegalArgumentException(tr("Failed to set reference. Reference ID {0} does not match history ID {1}.", current.getId(), history.getId()));
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202 | HistoryOsmPrimitive primitive = history.getByVersion(current.getVersion());
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203 | if (primitive == null)
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204 | throw new IllegalArgumentException(tr("Failed to set current primitive. Current version {0} not available in history.", current.getVersion()));
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205 | this.current = current;
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206 | initTagTableModels();
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207 | initNodeListTabeModel();
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208 | initMemberListTableModel();
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209 | setChanged();
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210 | notifyObservers();
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211 | }
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212 |
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213 | /**
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214 | * Replies the history OSM primitive for the {@see PointInTimeType#CURRENT_POINT_IN_TIME}
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215 | *
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216 | * @return the history OSM primitive for the {@see PointInTimeType#CURRENT_POINT_IN_TIME} (may be null)
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217 | */
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218 | public HistoryOsmPrimitive getCurrentPointInTime() {
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219 | return getPointInTime(PointInTimeType.CURRENT_POINT_IN_TIME);
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220 | }
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221 |
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222 | /**
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223 | * Replies the history OSM primitive for the {@see PointInTimeType#REFERENCE_POINT_IN_TIME}
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224 | *
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225 | * @return the history OSM primitive for the {@see PointInTimeType#REFERENCE_POINT_IN_TIME} (may be null)
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226 | */
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227 | public HistoryOsmPrimitive getReferencePointInTime() {
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228 | return getPointInTime(PointInTimeType.REFERENCE_POINT_IN_TIME);
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229 | }
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230 |
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231 | /**
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232 | * replies the history OSM primitive for a given point in time
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233 | *
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234 | * @param type the type of the point in time (must not be null)
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235 | * @return the respective primitive. Can be null.
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236 | * @exception IllegalArgumentException thrown, if type is null
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237 | */
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238 | public HistoryOsmPrimitive getPointInTime(PointInTimeType type) throws IllegalArgumentException {
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239 | if (type == null)
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240 | throw new IllegalArgumentException(tr("Parameter ''{0}'' must not be null.", "type"));
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241 | if (type.equals(PointInTimeType.CURRENT_POINT_IN_TIME))
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242 | return current;
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243 | else if (type.equals(PointInTimeType.REFERENCE_POINT_IN_TIME))
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244 | return reference;
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245 |
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246 | // should not happen
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247 | return null;
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248 | }
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249 |
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250 | /**
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251 | * The table model for the list of versions in the current history
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252 | *
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253 | */
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254 | public class VersionTableModel extends DefaultTableModel {
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255 |
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256 | private VersionTableModel() {
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257 | }
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258 |
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259 | @Override
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260 | public int getRowCount() {
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261 | if (history == null)
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262 | return 0;
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263 | return history.getNumVersions();
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264 | }
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265 |
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266 | @Override
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267 | public Object getValueAt(int row, int column) {
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268 | if(history == null)
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269 | return null;
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270 | return history.get(row);
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271 | }
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272 |
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273 | @Override
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274 | public boolean isCellEditable(int row, int column) {
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275 | return false;
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276 | }
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277 |
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278 | public void setReferencePointInTime(int row) {
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279 | if (history == null) return;
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280 | if (row < 0 || row > history.getNumVersions()) return;
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281 | HistoryOsmPrimitive reference = history.get(row);
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282 | HistoryBrowserModel.this.setReferencePointInTime(reference);
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283 | }
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284 |
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285 | public void setCurrentPointInTime(int row) {
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286 | if (history == null) return;
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287 | if (row < 0 || row > history.getNumVersions()) return;
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288 | HistoryOsmPrimitive current = history.get(row);
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289 | HistoryBrowserModel.this.setCurrentPointInTime(current);
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290 | }
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291 |
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292 | public boolean isReferencePointInTime(int row) {
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293 | if (history == null) return false;
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294 | if (row < 0 || row > history.getNumVersions()) return false;
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295 | HistoryOsmPrimitive p = history.get(row);
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296 | return p.equals(reference);
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297 | }
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298 |
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299 | public HistoryOsmPrimitive getPrimitive(int row) {
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300 | return history.get(row);
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301 | }
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302 | }
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303 |
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304 |
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305 | /**
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306 | * The table model for the tags of the version at {@see PointInTimeType#REFERENCE_POINT_IN_TIME}
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307 | * or {@see PointInTimeType#CURRENT_POINT_IN_TIME}
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308 | *
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309 | */
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310 | public class TagTableModel extends DefaultTableModel {
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311 |
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312 | private ArrayList<String> keys;
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313 | private PointInTimeType pointInTimeType;
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314 |
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315 | protected void initKeyList() {
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316 | HashSet<String> keySet = new HashSet<String>();
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317 | if (current != null) {
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318 | keySet.addAll(current.getTags().keySet());
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319 | }
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320 | if (reference != null) {
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321 | keySet.addAll(reference.getTags().keySet());
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322 | }
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323 | keys = new ArrayList<String>(keySet);
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324 | Collections.sort(keys);
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325 | fireTableDataChanged();
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326 | }
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327 |
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328 | protected TagTableModel(PointInTimeType type) {
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329 | pointInTimeType = type;
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330 | initKeyList();
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331 | }
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332 |
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333 | @Override
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334 | public int getRowCount() {
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335 | if (keys == null) return 0;
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336 | return keys.size();
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337 | }
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338 |
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339 | @Override
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340 | public Object getValueAt(int row, int column) {
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341 | return keys.get(row);
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342 | }
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343 |
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344 | @Override
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345 | public boolean isCellEditable(int row, int column) {
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346 | return false;
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347 | }
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348 |
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349 | public boolean hasTag(String key) {
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350 | HistoryOsmPrimitive primitive = getPointInTime(pointInTimeType);
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351 | if (primitive == null)
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352 | return false;
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353 | return primitive.hasTag(key);
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354 | }
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355 |
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356 | public String getValue(String key) {
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357 | HistoryOsmPrimitive primitive = getPointInTime(pointInTimeType);
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358 | if (primitive == null)
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359 | return null;
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360 | return primitive.get(key);
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361 | }
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362 |
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363 | public boolean oppositeHasTag(String key) {
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364 | PointInTimeType opposite = pointInTimeType.opposite();
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365 | HistoryOsmPrimitive primitive = getPointInTime(opposite);
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366 | if (primitive == null)
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367 | return false;
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368 | return primitive.hasTag(key);
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369 | }
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370 |
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371 | public String getOppositeValue(String key) {
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372 | PointInTimeType opposite = pointInTimeType.opposite();
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373 | HistoryOsmPrimitive primitive = getPointInTime(opposite);
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374 | if (primitive == null)
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375 | return null;
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376 | return primitive.get(key);
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377 | }
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378 |
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379 | public boolean hasSameValueAsOpposite(String key) {
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380 | String value = getValue(key);
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381 | String oppositeValue = getOppositeValue(key);
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382 | if (value == null || oppositeValue == null)
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383 | return false;
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384 | return value.equals(oppositeValue);
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385 | }
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386 |
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387 | public PointInTimeType getPointInTimeType() {
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388 | return pointInTimeType;
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389 | }
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390 |
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391 | public boolean isCurrentPointInTime() {
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392 | return pointInTimeType.equals(PointInTimeType.CURRENT_POINT_IN_TIME);
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393 | }
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394 |
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395 | public boolean isReferencePointInTime() {
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396 | return pointInTimeType.equals(PointInTimeType.REFERENCE_POINT_IN_TIME);
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397 | }
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398 | }
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399 |
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400 | /**
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401 | * The table model for the nodes of the version at {@see PointInTimeType#REFERENCE_POINT_IN_TIME}
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402 | * or {@see PointInTimeType#CURRENT_POINT_IN_TIME}
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403 | *
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404 | */
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405 | public class NodeListTableModel extends DefaultTableModel {
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406 |
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407 | private PointInTimeType pointInTimeType;
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408 |
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409 | private NodeListTableModel(PointInTimeType pointInTimeType) {
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410 | this.pointInTimeType = pointInTimeType;
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411 | }
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412 |
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413 | @Override
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414 | public int getRowCount() {
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415 | int n = 0;
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416 | if (current != null && current.getType().equals(OsmPrimitiveType.WAY)) {
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417 | n = ((HistoryWay)current).getNumNodes();
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418 | }
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419 | if (reference != null && reference.getType().equals(OsmPrimitiveType.WAY)) {
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420 | n = Math.max(n,((HistoryWay)reference).getNumNodes());
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421 | }
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422 | return n;
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423 | }
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424 |
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425 | protected HistoryWay getWay() {
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426 | if (pointInTimeType.equals(PointInTimeType.CURRENT_POINT_IN_TIME)) {
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427 | if (! current.getType().equals(OsmPrimitiveType.WAY))
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428 | return null;
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429 | return (HistoryWay)current;
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430 | }
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431 | if (pointInTimeType.equals(PointInTimeType.REFERENCE_POINT_IN_TIME)) {
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432 | if (! reference.getType().equals(OsmPrimitiveType.WAY))
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433 | return null;
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434 | return (HistoryWay)reference;
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435 | }
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436 |
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437 | // should not happen
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438 | return null;
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439 | }
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440 |
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441 | protected HistoryWay getOppositeWay() {
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442 | PointInTimeType opposite = pointInTimeType.opposite();
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443 | if (opposite.equals(PointInTimeType.CURRENT_POINT_IN_TIME)) {
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444 | if (! current.getType().equals(OsmPrimitiveType.WAY))
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445 | return null;
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446 | return (HistoryWay)current;
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447 | }
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448 | if (opposite.equals(PointInTimeType.REFERENCE_POINT_IN_TIME)) {
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449 | if (! reference.getType().equals(OsmPrimitiveType.WAY))
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450 | return null;
|
---|
451 | return (HistoryWay)reference;
|
---|
452 | }
|
---|
453 |
|
---|
454 | // should not happen
|
---|
455 | return null;
|
---|
456 | }
|
---|
457 |
|
---|
458 | @Override
|
---|
459 | public Object getValueAt(int row, int column) {
|
---|
460 | HistoryWay way = getWay();
|
---|
461 | if (way == null)
|
---|
462 | return null;
|
---|
463 | if (row >= way.getNumNodes())
|
---|
464 | return null;
|
---|
465 | return way.getNodes().get(row);
|
---|
466 | }
|
---|
467 |
|
---|
468 | @Override
|
---|
469 | public boolean isCellEditable(int row, int column) {
|
---|
470 | return false;
|
---|
471 | }
|
---|
472 |
|
---|
473 | public boolean isSameInOppositeWay(int row) {
|
---|
474 | HistoryWay thisWay = getWay();
|
---|
475 | HistoryWay oppositeWay = getOppositeWay();
|
---|
476 | if (thisWay == null || oppositeWay == null)
|
---|
477 | return false;
|
---|
478 | if (row >= oppositeWay.getNumNodes())
|
---|
479 | return false;
|
---|
480 | return thisWay.getNodeId(row) == oppositeWay.getNodeId(row);
|
---|
481 | }
|
---|
482 |
|
---|
483 | public boolean isInOppositeWay(int row) {
|
---|
484 | HistoryWay thisWay = getWay();
|
---|
485 | HistoryWay oppositeWay = getOppositeWay();
|
---|
486 | if (thisWay == null || oppositeWay == null)
|
---|
487 | return false;
|
---|
488 | return oppositeWay.getNodes().contains(thisWay.getNodeId(row));
|
---|
489 | }
|
---|
490 | }
|
---|
491 |
|
---|
492 | /**
|
---|
493 | * The table model for the relation members of the version at {@see PointInTimeType#REFERENCE_POINT_IN_TIME}
|
---|
494 | * or {@see PointInTimeType#CURRENT_POINT_IN_TIME}
|
---|
495 | *
|
---|
496 | */
|
---|
497 |
|
---|
498 | public class RelationMemberTableModel extends DefaultTableModel {
|
---|
499 |
|
---|
500 | private PointInTimeType pointInTimeType;
|
---|
501 |
|
---|
502 | private RelationMemberTableModel(PointInTimeType pointInTimeType) {
|
---|
503 | this.pointInTimeType = pointInTimeType;
|
---|
504 | }
|
---|
505 |
|
---|
506 | @Override
|
---|
507 | public int getRowCount() {
|
---|
508 | int n = 0;
|
---|
509 | if (current != null && current.getType().equals(OsmPrimitiveType.RELATION)) {
|
---|
510 | n = ((HistoryRelation)current).getNumMembers();
|
---|
511 | }
|
---|
512 | if (reference != null && reference.getType().equals(OsmPrimitiveType.RELATION)) {
|
---|
513 | n = Math.max(n,((HistoryRelation)reference).getNumMembers());
|
---|
514 | }
|
---|
515 | return n;
|
---|
516 | }
|
---|
517 |
|
---|
518 | protected HistoryRelation getRelation() {
|
---|
519 | if (pointInTimeType.equals(PointInTimeType.CURRENT_POINT_IN_TIME)) {
|
---|
520 | if (! current.getType().equals(OsmPrimitiveType.RELATION))
|
---|
521 | return null;
|
---|
522 | return (HistoryRelation)current;
|
---|
523 | }
|
---|
524 | if (pointInTimeType.equals(PointInTimeType.REFERENCE_POINT_IN_TIME)) {
|
---|
525 | if (! reference.getType().equals(OsmPrimitiveType.RELATION))
|
---|
526 | return null;
|
---|
527 | return (HistoryRelation)reference;
|
---|
528 | }
|
---|
529 |
|
---|
530 | // should not happen
|
---|
531 | return null;
|
---|
532 | }
|
---|
533 |
|
---|
534 | protected HistoryRelation getOppositeRelation() {
|
---|
535 | PointInTimeType opposite = pointInTimeType.opposite();
|
---|
536 | if (opposite.equals(PointInTimeType.CURRENT_POINT_IN_TIME)) {
|
---|
537 | if (! current.getType().equals(OsmPrimitiveType.RELATION))
|
---|
538 | return null;
|
---|
539 | return (HistoryRelation)current;
|
---|
540 | }
|
---|
541 | if (opposite.equals(PointInTimeType.REFERENCE_POINT_IN_TIME)) {
|
---|
542 | if (! reference.getType().equals(OsmPrimitiveType.RELATION))
|
---|
543 | return null;
|
---|
544 | return (HistoryRelation)reference;
|
---|
545 | }
|
---|
546 |
|
---|
547 | // should not happen
|
---|
548 | return null;
|
---|
549 | }
|
---|
550 |
|
---|
551 | @Override
|
---|
552 | public Object getValueAt(int row, int column) {
|
---|
553 | HistoryRelation relation = getRelation();
|
---|
554 | if (relation == null)
|
---|
555 | return null;
|
---|
556 | if (row >= relation.getNumMembers())
|
---|
557 | return null;
|
---|
558 | return relation.getMembers().get(row);
|
---|
559 | }
|
---|
560 |
|
---|
561 | @Override
|
---|
562 | public boolean isCellEditable(int row, int column) {
|
---|
563 | return false;
|
---|
564 | }
|
---|
565 |
|
---|
566 | public boolean isSameInOppositeWay(int row) {
|
---|
567 | HistoryRelation thisRelation = getRelation();
|
---|
568 | HistoryRelation oppositeRelation = getOppositeRelation();
|
---|
569 | if (thisRelation == null || oppositeRelation == null)
|
---|
570 | return false;
|
---|
571 | if (row >= oppositeRelation.getNumMembers())
|
---|
572 | return false;
|
---|
573 | return
|
---|
574 | thisRelation.getMembers().get(row).getPrimitiveId() == oppositeRelation.getMembers().get(row).getPrimitiveId()
|
---|
575 | && thisRelation.getMembers().get(row).getRole().equals(oppositeRelation.getMembers().get(row).getRole());
|
---|
576 | }
|
---|
577 |
|
---|
578 | public boolean isInOppositeWay(int row) {
|
---|
579 | HistoryRelation thisRelation = getRelation();
|
---|
580 | HistoryRelation oppositeRelation = getOppositeRelation();
|
---|
581 | if (thisRelation == null || oppositeRelation == null)
|
---|
582 | return false;
|
---|
583 | return oppositeRelation.getMembers().contains(thisRelation.getMembers().get(row));
|
---|
584 | }
|
---|
585 | }
|
---|
586 | }
|
---|