1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.dialogs.changeset;
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3 |
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4 | import java.util.ArrayList;
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5 | import java.util.Collection;
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6 | import java.util.Collections;
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7 | import java.util.Comparator;
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8 | import java.util.HashSet;
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9 | import java.util.List;
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10 | import java.util.Set;
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11 |
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12 | import javax.swing.DefaultListModel;
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13 | import javax.swing.DefaultListSelectionModel;
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14 |
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15 | import org.openstreetmap.josm.data.osm.Changeset;
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16 | import org.openstreetmap.josm.data.osm.ChangesetCache;
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17 | import org.openstreetmap.josm.data.osm.ChangesetCacheEvent;
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18 | import org.openstreetmap.josm.data.osm.ChangesetCacheListener;
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19 | import org.openstreetmap.josm.data.osm.DataSet;
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20 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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21 | import org.openstreetmap.josm.data.osm.Storage;
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22 |
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23 | public class ChangesetListModel extends DefaultListModel implements ChangesetCacheListener{
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24 | //static private final Logger logger = Logger.getLogger(ChangesetListModel.class.getName());
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25 |
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26 | private final List<Changeset> data = new ArrayList<Changeset>();
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27 | private final Storage<Changeset> shownChangesets = new Storage<Changeset>();
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28 | private DefaultListSelectionModel selectionModel;
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29 |
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30 | public ChangesetListModel(DefaultListSelectionModel selectionModel) {
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31 | this.selectionModel = selectionModel;
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32 | }
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33 |
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34 | public Set<Changeset> getSelectedChangesets() {
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35 | Set<Changeset> ret = new HashSet<Changeset>();
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36 | for (int i=0; i < getSize(); i++) {
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37 | if (selectionModel.isSelectedIndex(i)) {
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38 | ret.add(data.get(i));
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39 | }
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40 | }
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41 | return ret;
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42 | }
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43 |
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44 | public Set<Integer> getSelectedChangesetIds() {
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45 | Set<Integer> ret = new HashSet<Integer>();
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46 | for (int i=0; i < getSize(); i++) {
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47 | if (selectionModel.isSelectedIndex(i)) {
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48 | ret.add(data.get(i).getId());
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49 | }
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50 | }
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51 | return ret;
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52 | }
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53 |
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54 | public void setSelectedChangesets(Collection<Changeset> changesets) {
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55 | selectionModel.clearSelection();
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56 | if (changesets == null) return;
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57 | for (Changeset cs: changesets) {
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58 | int idx = data.indexOf(cs);
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59 | if (idx < 0) {
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60 | continue;
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61 | }
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62 | selectionModel.addSelectionInterval(idx,idx);
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63 | }
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64 | }
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65 |
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66 | protected void addChangeset(Changeset changeset) {
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67 | if (shownChangesets.add(changeset)) {
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68 | setChangesets(shownChangesets);
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69 | updateModel();
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70 | }
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71 | }
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72 |
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73 | protected void removeChangeset(Changeset changeset) {
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74 | if (shownChangesets.remove(changeset)) {
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75 | setChangesets(shownChangesets);
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76 | updateModel();
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77 | }
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78 | }
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79 |
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80 | protected void setChangesets(Collection<Changeset> changesets) {
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81 | shownChangesets.clear();
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82 | if (changesets != null) {
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83 | shownChangesets.addAll(changesets);
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84 | }
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85 | updateModel();
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86 | }
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87 |
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88 | private void updateModel() {
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89 | Set<Changeset> sel = getSelectedChangesets();
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90 | data.clear();
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91 | data.addAll(shownChangesets);
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92 | ChangesetCache cache = ChangesetCache.getInstance();
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93 | for (Changeset cs: data) {
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94 | if (cache.contains(cs) && cache.get(cs.getId()) != cs) {
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95 | cs.mergeFrom(cache.get(cs.getId()));
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96 | }
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97 | }
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98 | sort();
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99 | fireIntervalAdded(this, 0, getSize());
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100 | setSelectedChangesets(sel);
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101 | }
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102 |
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103 | public void initFromChangesetIds(Collection<Integer> ids) {
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104 | if (ids == null || ids.isEmpty()) {
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105 | setChangesets(null);
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106 | return;
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107 | }
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108 | Set<Changeset> changesets = new HashSet<Changeset>(ids.size());
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109 | for (int id: ids) {
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110 | if (id <= 0) {
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111 | continue;
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112 | }
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113 | changesets.add(new Changeset(id));
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114 | }
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115 | setChangesets(changesets);
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116 | }
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117 |
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118 | public void initFromPrimitives(Collection<? extends OsmPrimitive> primitives) {
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119 | if (primitives == null) {
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120 | setChangesets(null);
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121 | return;
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122 | }
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123 | Set<Changeset> changesets = new HashSet<Changeset>();
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124 | for (OsmPrimitive p: primitives) {
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125 | if (p.getChangesetId() <= 0) {
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126 | continue;
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127 | }
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128 | changesets.add(new Changeset(p.getChangesetId()));
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129 | }
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130 | setChangesets(changesets);
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131 | }
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132 |
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133 | public void initFromDataSet(DataSet ds) {
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134 | if (ds == null) {
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135 | setChangesets(null);
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136 | return;
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137 | }
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138 | Set<Changeset> changesets = new HashSet<Changeset>();
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139 | for (OsmPrimitive p: ds.allPrimitives()) {
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140 | if (p.getChangesetId() <=0 ) {
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141 | continue;
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142 | }
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143 | changesets.add(new Changeset(p.getChangesetId()));
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144 | }
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145 | setChangesets(changesets);
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146 | }
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147 |
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148 | @Override
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149 | public Object getElementAt(int idx) {
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150 | return data.get(idx);
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151 | }
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152 |
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153 | @Override
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154 | public int getSize() {
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155 | return data.size();
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156 | }
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157 |
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158 | protected void sort() {
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159 | Collections.sort(
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160 | data,
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161 | new Comparator<Changeset>() {
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162 | public int compare(Changeset cs1, Changeset cs2) {
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163 | if (cs1.getId() > cs2.getId()) return -1;
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164 | if (cs1.getId() == cs2.getId()) return 0;
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165 | return 1;
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166 | }
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167 | }
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168 | );
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169 | }
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170 |
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171 | /**
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172 | * Replies true if there is at least one selected open changeset
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173 | *
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174 | * @return true if there is at least one selected open changeset
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175 | */
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176 | public boolean hasSelectedOpenChangesets() {
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177 | return !getSelectedOpenChangesets().isEmpty();
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178 | }
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179 |
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180 | /**
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181 | * Replies the selected open changesets
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182 | *
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183 | * @return the selected open changesets
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184 | */
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185 | public List<Changeset> getSelectedOpenChangesets() {
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186 | List<Changeset> ret = new ArrayList<Changeset>();
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187 | for (int i=0; i< getSize(); i++) {
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188 | if (selectionModel.isSelectedIndex(i)) {
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189 | Changeset cs = data.get(i);
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190 | if (cs.isOpen()) {
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191 | ret.add(cs);
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192 | }
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193 | }
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194 | }
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195 | return ret;
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196 | }
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197 |
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198 | /* ---------------------------------------------------------------------------- */
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199 | /* Interface ChangesetCacheListener */
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200 | /* ---------------------------------------------------------------------------- */
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201 | public void changesetCacheUpdated(ChangesetCacheEvent event) {
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202 | Set<Changeset> sel = getSelectedChangesets();
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203 | for(Changeset cs: event.getAddedChangesets()) {
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204 | int idx = data.indexOf(cs);
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205 | if (idx >= 0 && data.get(idx) != cs) {
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206 | data.get(idx).mergeFrom(cs);
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207 | }
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208 | }
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209 | for(Changeset cs: event.getUpdatedChangesets()) {
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210 | int idx = data.indexOf(cs);
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211 | if (idx >= 0 && data.get(idx) != cs) {
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212 | data.get(idx).mergeFrom(cs);
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213 | }
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214 | }
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215 | for(Changeset cs: event.getRemovedChangesets()) {
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216 | int idx = data.indexOf(cs);
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217 | if (idx >= 0) {
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218 | // replace with an incomplete changeset
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219 | data.set(idx, new Changeset(cs.getId()));
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220 | }
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221 | }
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222 | fireContentsChanged(this, 0, getSize());
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223 | setSelectedChangesets(sel);
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224 | }
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225 | }
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