/**
* Copyright 2004-2016 Riccardo Solmi. All rights reserved.
* This file is part of the Whole Platform.
*
* The Whole Platform is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The Whole Platform 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the Whole Platform. If not, see <http://www.gnu.org/licenses/>.
*/
package org.whole.lang.ui.actions;
/**
* @author Enrico Persiani
*/
public final class NullActionRedirection implements IActionRedirection {
private static class SingletonHolder {
private static final NullActionRedirection instance = new NullActionRedirection();
}
public static NullActionRedirection instance() {
return SingletonHolder.instance;
}
private NullActionRedirection() {
}
@Override
public boolean isActive() {
return false;
}
@Override
public void performCut() {
throw new UnsupportedOperationException();
}
@Override
public void performCopy() {
throw new UnsupportedOperationException();
}
@Override
public void performPaste() {
throw new UnsupportedOperationException();
}
@Override
public void performSelectAll() {
throw new UnsupportedOperationException();
}
public void performUndo() {
throw new UnsupportedOperationException();
}
public void performRedo() {
throw new UnsupportedOperationException();
}
}