/*
* Freeplane - mind map editor
* Copyright (C) 2008 Dimitry Polivaev
*
* This file author is Dimitry Polivaev
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.freeplane.view.swing.features.nodehistory;
import java.awt.event.ActionEvent;
import org.freeplane.core.ui.AFreeplaneAction;
import org.freeplane.core.ui.EnabledAction;
import org.freeplane.features.mode.Controller;
/**
* @author Dimitry Polivaev
* 13.12.2008
*/
/**
* @author Dimitry Polivaev
* 13.12.2008
*/
@EnabledAction(checkOnNodeChange = true)
class BackAction extends AFreeplaneAction {
/**
*
*/
private static final long serialVersionUID = 1L;
final private NodeHistory nodeHistory;
public BackAction(final Controller controller, final NodeHistory nodeHistory) {
super("BackAction");
this.nodeHistory = nodeHistory;
setEnabled(false);
}
public void actionPerformed(final ActionEvent e) {
nodeHistory.goBack(0 != (e.getModifiers() & ActionEvent.CTRL_MASK));
}
@Override
public void setEnabled() {
setEnabled(nodeHistory.canGoBack());
}
}