/*
* 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.features.mode.mindmapmode;
import java.awt.event.ActionEvent;
import javax.swing.Action;
import org.freeplane.core.ui.AFreeplaneAction;
import org.freeplane.core.ui.components.UITools;
import org.freeplane.core.undo.IUndoHandler;
import org.freeplane.features.map.INodeChangeListener;
import org.freeplane.features.map.MapController;
import org.freeplane.features.map.MapModel;
import org.freeplane.features.map.NodeChangeEvent;
import org.freeplane.features.map.NodeModel;
import org.freeplane.features.mode.Controller;
class RedoAction extends AFreeplaneAction implements INodeChangeListener{
/**
*
*/
private static final long serialVersionUID = 1L;
private Action undo;
private NodeModel lastChangedNode;
public RedoAction() {
super("RedoAction");
setEnabled(false);
}
public void actionPerformed(final ActionEvent e) {
if(UITools.isEditingText())
return;
final Controller controller = Controller.getCurrentController();
final MapModel map = controller.getMap();
final IUndoHandler undoHandler = map.getExtension(IUndoHandler.class);
final MapController mapController = Controller.getCurrentModeController().getMapController();
mapController.addNodeChangeListener(this);
try{
undoHandler.getRedoAction().actionPerformed(e);
if(lastChangedNode != null){
mapController.displayNode(lastChangedNode);
controller.getSelection().selectAsTheOnlyOneSelected(lastChangedNode);
lastChangedNode = null;
}
undo.setEnabled(undoHandler.canUndo());
setEnabled(undoHandler.canRedo());
}
finally{
mapController.removeNodeChangeListener(this);
}
}
public void reset() {
final MapModel map = Controller.getCurrentController().getMap();
final IUndoHandler undoHandler = map.getExtension(IUndoHandler.class);
undoHandler.resetRedo();
setEnabled(false);
}
public void setUndo(final Action undo) {
this.undo = undo;
}
@Override
public void afterMapChange(final Object newMap) {}
public void nodeChanged(NodeChangeEvent event) {
lastChangedNode = event.getNode();
};
}