// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.actions;
import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.gui.layer.OsmDataLayer;
import org.openstreetmap.josm.tools.Shortcut;
/**
* Redoes the last command.
*
* @author imi
*/
public class RedoAction extends JosmAction implements OsmDataLayer.CommandQueueListener {
/**
* Construct the action with "Redo" as label.
*/
public RedoAction() {
super(tr("Redo"), "redo", tr("Redo the last undone action."),
Shortcut.registerShortcut("system:redo", tr("Edit: {0}", tr("Redo")), KeyEvent.VK_Y, Shortcut.CTRL), true);
setEnabled(false);
putValue("help", ht("/Action/Redo"));
}
@Override
public void actionPerformed(ActionEvent e) {
if (Main.map == null)
return;
Main.map.repaint();
Main.main.undoRedo.redo();
}
@Override
protected void updateEnabledState() {
setEnabled(Main.main != null && !Main.main.undoRedo.redoCommands.isEmpty());
}
@Override
public void commandChanged(int queueSize, int redoSize) {
if (Main.main.undoRedo.redoCommands.isEmpty()) {
putValue(NAME, tr("Redo"));
setTooltip(tr("Redo the last undone action."));
} else {
putValue(NAME, tr("Redo ..."));
setTooltip(tr("Redo {0}",
Main.main.undoRedo.redoCommands.getFirst().getDescriptionText()));
}
}
}