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.awt.event.ActionEvent;
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5 | import java.awt.event.MouseAdapter;
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6 | import java.awt.event.MouseEvent;
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7 | import java.util.Collections;
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8 | import java.util.function.Function;
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9 |
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10 | import org.openstreetmap.josm.actions.AbstractShowHistoryAction;
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11 | import org.openstreetmap.josm.data.osm.PrimitiveId;
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12 |
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13 | /**
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14 | * Open a history browser with the history of an object.
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15 | */
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16 | class ShowHistoryAction extends AbstractShowHistoryAction {
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17 | private transient PrimitiveId primitiveId;
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18 |
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19 | @Override
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20 | public void actionPerformed(ActionEvent e) {
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21 | if (isEnabled()) {
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22 | run();
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23 | }
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24 | }
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25 |
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26 | public void setPrimitiveId(PrimitiveId pid) {
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27 | this.primitiveId = pid;
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28 | updateEnabledState();
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29 | }
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30 |
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31 | public void run() {
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32 | HistoryBrowserDialogManager.getInstance().showHistory(Collections.singleton(primitiveId));
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33 | }
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34 |
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35 | public void updateEnabledState() {
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36 | setEnabled(primitiveId != null && !primitiveId.isNew());
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37 | }
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38 |
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39 | static class DoubleClickAdapter extends MouseAdapter {
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40 | private final Function<MouseEvent, PrimitiveId> primitiveIdFunction;
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41 |
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42 | DoubleClickAdapter(Function<MouseEvent, PrimitiveId> primitiveIdFunction) {
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43 | this.primitiveIdFunction = primitiveIdFunction;
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44 | }
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45 |
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46 | @Override
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47 | public void mouseClicked(MouseEvent e) {
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48 | if (e.getClickCount() < 2)
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49 | return;
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50 | PrimitiveId pid = primitiveIdFunction.apply(e);
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51 | if (pid == null || pid.isNew())
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52 | return;
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53 | HistoryBrowserDialogManager.getInstance().showHistory(Collections.singleton(pid));
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54 | }
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55 | }
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56 | }
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