Last change
on this file since 9441 was 8510, checked in by Don-vip, 9 years ago |
checkstyle: enable relevant whitespace checks and fix them
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Property svn:eol-style
set to
native
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File size:
1.3 KB
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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.HashSet;
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5 | import java.util.Set;
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6 |
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7 | import javax.swing.DefaultListSelectionModel;
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8 | import javax.swing.ListSelectionModel;
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9 | import javax.swing.event.ListSelectionEvent;
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10 | import javax.swing.event.ListSelectionListener;
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11 |
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12 | public class SelectionSynchronizer implements ListSelectionListener {
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13 |
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14 | private final Set<ListSelectionModel> participants;
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15 |
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16 | /**
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17 | * Constructs a new {@code SelectionSynchronizer}.
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18 | */
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19 | public SelectionSynchronizer() {
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20 | participants = new HashSet<>();
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21 | }
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22 |
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23 | public void participateInSynchronizedSelection(ListSelectionModel model) {
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24 | if (model == null)
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25 | return;
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26 | if (participants.contains(model))
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27 | return;
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28 | participants.add(model);
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29 | model.addListSelectionListener(this);
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30 | }
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31 |
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32 | @Override
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33 | public void valueChanged(ListSelectionEvent e) {
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34 | DefaultListSelectionModel referenceModel = (DefaultListSelectionModel) e.getSource();
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35 | int i = referenceModel.getMinSelectionIndex();
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36 | for (ListSelectionModel model : participants) {
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37 | if (model == e.getSource()) {
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38 | continue;
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39 | }
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40 | model.setSelectionInterval(i, i);
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41 | }
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42 | }
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43 | }
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