1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.actions;
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3 |
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4 | import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
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5 | import static org.openstreetmap.josm.tools.I18n.tr;
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6 |
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7 | import java.awt.event.ActionEvent;
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8 | import java.awt.event.KeyEvent;
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9 |
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10 | import org.openstreetmap.josm.data.UndoRedoHandler;
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11 | import org.openstreetmap.josm.data.UndoRedoHandler.CommandQueueListener;
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12 | import org.openstreetmap.josm.gui.MainApplication;
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13 | import org.openstreetmap.josm.gui.MapFrame;
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14 | import org.openstreetmap.josm.tools.Shortcut;
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15 |
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16 | /**
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17 | * Redoes the last command.
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18 | *
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19 | * @author imi
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20 | */
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21 | public class RedoAction extends JosmAction implements CommandQueueListener {
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22 |
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23 | /**
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24 | * Construct the action with "Redo" as label.
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25 | */
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26 | public RedoAction() {
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27 | super(tr("Redo"), "redo", tr("Redo the last undone action."),
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28 | Shortcut.registerShortcut("system:redo", tr("Edit: {0}", tr("Redo")), KeyEvent.VK_Y, Shortcut.CTRL), true);
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29 | setEnabled(false);
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30 | setHelpId(ht("/Action/Redo"));
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31 | }
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32 |
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33 | @Override
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34 | public void actionPerformed(ActionEvent e) {
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35 | MapFrame map = MainApplication.getMap();
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36 | if (map == null)
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37 | return;
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38 | map.repaint();
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39 | UndoRedoHandler.getInstance().redo();
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40 | }
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41 |
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42 | @Override
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43 | protected void updateEnabledState() {
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44 | setEnabled(UndoRedoHandler.getInstance().hasRedoCommands());
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45 | }
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46 |
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47 | @Override
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48 | public void commandChanged(int queueSize, int redoSize) {
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49 | if (!UndoRedoHandler.getInstance().hasRedoCommands()) {
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50 | putValue(NAME, tr("Redo"));
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51 | setTooltip(tr("Redo the last undone action."));
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52 | } else {
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53 | putValue(NAME, tr("Redo ..."));
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54 | setTooltip(tr("Redo {0}",
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55 | UndoRedoHandler.getInstance().getRedoCommands().get(0).getDescriptionText()));
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56 | }
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57 | }
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58 | }
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