[2711] | 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.beans.PropertyChangeListener;
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| 5 | import java.beans.PropertyChangeSupport;
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| 6 | import java.util.ArrayList;
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| 7 | import java.util.Collection;
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| 8 | import java.util.Collections;
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| 9 | import java.util.Comparator;
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| 10 | import java.util.HashSet;
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| 11 | import java.util.List;
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| 12 | import java.util.Set;
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| 13 |
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| 14 | import javax.swing.DefaultListSelectionModel;
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| 15 | import javax.swing.table.AbstractTableModel;
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| 16 |
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| 17 | import org.openstreetmap.josm.data.osm.Changeset;
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| 18 | import org.openstreetmap.josm.data.osm.ChangesetCache;
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| 19 | import org.openstreetmap.josm.data.osm.ChangesetCacheEvent;
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| 20 | import org.openstreetmap.josm.data.osm.ChangesetCacheListener;
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[5958] | 21 | import org.openstreetmap.josm.gui.util.GuiHelper;
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[2711] | 22 |
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| 23 | /**
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| 24 | * This is the model for the changeset cache manager dialog.
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| 25 | *
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| 26 | */
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| 27 | public class ChangesetCacheManagerModel extends AbstractTableModel implements ChangesetCacheListener{
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| 28 |
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| 29 | /** the name of the property for the currently selected changeset in the detail view */
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[6883] | 30 | public static final String CHANGESET_IN_DETAIL_VIEW_PROP = ChangesetCacheManagerModel.class.getName() + ".changesetInDetailView";
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[2711] | 31 |
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[7005] | 32 | private final List<Changeset> data = new ArrayList<>();
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[2711] | 33 | private DefaultListSelectionModel selectionModel;
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| 34 | private Changeset changesetInDetailView;
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| 35 | private final PropertyChangeSupport support = new PropertyChangeSupport(this);
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| 36 |
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| 37 | public ChangesetCacheManagerModel(DefaultListSelectionModel selectionModel) {
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| 38 | this.selectionModel = selectionModel;
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| 39 | }
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| 40 |
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| 41 | public void addPropertyChangeListener(PropertyChangeListener listener) {
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| 42 | support.addPropertyChangeListener(listener);
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| 43 | }
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| 44 |
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| 45 | public void removePropertyChangeListener(PropertyChangeListener listener) {
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| 46 | support.removePropertyChangeListener(listener);
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| 47 | }
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| 48 |
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| 49 | /**
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| 50 | * Sets the changeset currently displayed in the detail view. Fires a property change event
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[5266] | 51 | * for the property {@link #CHANGESET_IN_DETAIL_VIEW_PROP} if necessary.
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[2711] | 52 | *
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| 53 | * @param cs the changeset currently displayed in the detail view.
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| 54 | */
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| 55 | public void setChangesetInDetailView(Changeset cs) {
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| 56 | Changeset oldValue = changesetInDetailView;
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| 57 | changesetInDetailView = cs;
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| 58 | if (oldValue != cs) {
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| 59 | support.firePropertyChange(CHANGESET_IN_DETAIL_VIEW_PROP, oldValue, changesetInDetailView);
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| 60 | }
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| 61 | }
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| 62 |
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| 63 | /**
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| 64 | * Replies true if there is at least one selected changeset
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| 65 | *
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| 66 | * @return true if there is at least one selected changeset
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| 67 | */
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| 68 | public boolean hasSelectedChangesets() {
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| 69 | return selectionModel.getMinSelectionIndex() >= 0;
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| 70 | }
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| 71 |
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| 72 | /**
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| 73 | * Replies the list of selected changesets
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| 74 | *
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| 75 | * @return the list of selected changesets
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| 76 | */
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| 77 | public List<Changeset> getSelectedChangesets() {
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[7005] | 78 | List<Changeset> ret = new ArrayList<>();
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[2711] | 79 | for (int i =0; i< data.size();i++) {
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| 80 | Changeset cs = data.get(i);
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| 81 | if (selectionModel.isSelectedIndex(i)) {
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| 82 | ret.add(cs);
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| 83 | }
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| 84 | }
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| 85 | return ret;
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| 86 | }
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| 87 |
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| 88 | /**
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| 89 | * Replies a set of ids of the selected changesets
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| 90 | *
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| 91 | * @return a set of ids of the selected changesets
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| 92 | */
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| 93 | public Set<Integer> getSelectedChangesetIds() {
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[7005] | 94 | Set<Integer> ret = new HashSet<>();
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[2711] | 95 | for (Changeset cs: getSelectedChangesets()) {
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| 96 | ret.add(cs.getId());
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| 97 | }
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| 98 | return ret;
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| 99 | }
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| 100 |
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| 101 | /**
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| 102 | * Selects the changesets in <code>selected</code>.
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| 103 | *
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| 104 | * @param selected the collection of changesets to select. Ignored if empty.
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| 105 | */
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| 106 | public void setSelectedChangesets(Collection<Changeset> selected) {
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[5958] | 107 | GuiHelper.runInEDTAndWait(new Runnable() {
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| 108 | @Override public void run() {
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| 109 | selectionModel.clearSelection();
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| 110 | }
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| 111 | });
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[2711] | 112 | if (selected == null || selected.isEmpty())
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| 113 | return;
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| 114 | for (Changeset cs: selected) {
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[5958] | 115 | final int idx = data.indexOf(cs);
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[2711] | 116 | if (idx >= 0) {
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[5958] | 117 | GuiHelper.runInEDTAndWait(new Runnable() {
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| 118 | @Override public void run() {
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| 119 | selectionModel.addSelectionInterval(idx,idx);
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| 120 | }
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| 121 | });
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[2711] | 122 | }
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| 123 | }
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| 124 | }
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| 125 |
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[5890] | 126 | @Override
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[2711] | 127 | public int getColumnCount() {
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| 128 | return 5;
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| 129 | }
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| 130 |
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[5890] | 131 | @Override
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[2711] | 132 | public int getRowCount() {
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| 133 | return data.size();
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| 134 | }
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| 135 |
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[5890] | 136 | @Override
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[2711] | 137 | public Object getValueAt(int row, int column) {
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| 138 | return data.get(row);
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| 139 | }
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| 140 |
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| 141 | public void init() {
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| 142 | ChangesetCache cc = ChangesetCache.getInstance();
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| 143 | List<Changeset> selected = getSelectedChangesets();
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| 144 | data.clear();
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| 145 | data.addAll(cc.getChangesets());
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| 146 | sort();
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| 147 | fireTableDataChanged();
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| 148 | setSelectedChangesets(selected);
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| 149 |
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| 150 | cc.addChangesetCacheListener(this);
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| 151 | }
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| 152 |
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| 153 | public void tearDown() {
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| 154 | ChangesetCache.getInstance().removeChangesetCacheListener(this);
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| 155 | }
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| 156 |
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| 157 | public DefaultListSelectionModel getSelectionModel() {
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| 158 | return selectionModel;
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| 159 | }
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| 160 |
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| 161 | protected void sort() {
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| 162 | Collections.sort(
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| 163 | this.data,
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| 164 | new Comparator<Changeset>() {
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[5890] | 165 | @Override public int compare(Changeset o1, Changeset o2) {
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[2711] | 166 | if (o1.getId() < o2.getId()) return 1;
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| 167 | if (o1.getId() == o2.getId()) return 0;
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| 168 | return -1;
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| 169 | }
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| 170 | }
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| 171 | );
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| 172 | }
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| 173 |
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| 174 | /* ------------------------------------------------------------------------------ */
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| 175 | /* interface ChangesetCacheListener */
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| 176 | /* ------------------------------------------------------------------------------ */
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[5890] | 177 | @Override
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[2711] | 178 | public void changesetCacheUpdated(ChangesetCacheEvent event) {
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| 179 | List<Changeset> selected = getSelectedChangesets();
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| 180 | for (Changeset cs: event.getAddedChangesets()) {
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| 181 | data.add(cs);
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| 182 | }
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| 183 | for (Changeset cs: event.getRemovedChangesets()) {
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| 184 | data.remove(cs);
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| 185 | }
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| 186 | for (Changeset cs: event.getUpdatedChangesets()) {
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| 187 | int idx = data.indexOf(cs);
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| 188 | if (idx >= 0) {
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| 189 | Changeset mine = data.get(idx);
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| 190 | if (mine != cs) {
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| 191 | mine.mergeFrom(cs);
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| 192 | }
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| 193 | }
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| 194 | }
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| 195 | sort();
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| 196 | fireTableDataChanged();
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| 197 | setSelectedChangesets(selected);
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| 198 | }
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| 199 | }
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