/**
* Copyright (C) 2005 - 2012 Eric Van Dewoestine
*
* 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 3 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.eclim.plugin.core.command.refactoring;
import org.eclim.annotation.Command;
import org.eclim.command.CommandLine;
import org.eclim.command.Options;
import org.eclim.plugin.core.command.AbstractCommand;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.ltk.core.refactoring.IUndoManager;
import org.eclipse.ltk.core.refactoring.RefactoringCore;
/**
* Command to undo the last refactoring on the stack.
*
* @author Eric Van Dewoestine
*/
@Command(
name = "refactor_undo",
options = "OPTIONAL p peek NOARG"
)
public class UndoCommand
extends AbstractCommand
{
@Override
public Object execute(CommandLine commandLine)
throws Exception
{
IWorkspace workspace = ResourcesPlugin.getWorkspace();
ResourceChangeListener rcl = new ResourceChangeListener();
workspace.addResourceChangeListener(rcl);
try{
IUndoManager manager = RefactoringCore.getUndoManager();
if(commandLine.hasOption(Options.PEEK_OPTION)){
return manager.peekUndoName();
}
manager.performUndo(null, null);
return rcl.getChangedFiles();
}finally{
workspace.removeResourceChangeListener(rcl);
}
}
}