/*******************************************************************************
* Copyright 2012 University of Southern California
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This code was developed by the Information Integration Group as part
* of the Karma project at the Information Sciences Institute of the
* University of Southern California. For more information, publications,
* and related projects, please see: http://www.isi.edu/integration
******************************************************************************/
package edu.isi.karma.controller.command;
import edu.isi.karma.controller.update.HistoryUpdate;
import edu.isi.karma.controller.update.UpdateContainer;
import edu.isi.karma.view.VWorkspace;
public class UndoRedoCommand extends Command {
private final String commandIdArg;
UndoRedoCommand(String id, String commandIdArg) {
super(id);
this.commandIdArg = commandIdArg;
}
@Override
public String getCommandName() {
return "Undo/Redo";
}
@Override
public String getTitle() {
return "Undo/Redo";
}
@Override
public String getDescription() {
return "Undo/Redo " + commandIdArg;
}
@Override
public CommandType getCommandType() {
return CommandType.notInHistory;
}
@Override
public UpdateContainer doIt(VWorkspace vWorkspace) throws CommandException {
UpdateContainer undoEffects = vWorkspace.getWorkspace().getCommandHistory().undoOrRedoCommandsUntil(
vWorkspace, commandIdArg);
UpdateContainer result = new UpdateContainer(new HistoryUpdate(
vWorkspace.getWorkspace().getCommandHistory()));
result.append(undoEffects);
return result;
}
@Override
public UpdateContainer undoIt(VWorkspace vWorkspace) {
// not undoable.
return new UpdateContainer();
}
}