/**
* 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.e4.ui.actions;
import org.eclipse.e4.core.contexts.IEclipseContext;
import org.whole.lang.ui.actions.IUpdatableAction;
/**
* @author Enrico Persiani
*/
public class ActionWithFallback extends AbstractE4Action {
private final IUpdatableAction baseAction;
private final IUpdatableAction fallbackAction;
public ActionWithFallback(IEclipseContext context, IUpdatableAction baseAction, IUpdatableAction fallbackAction) {
super(context);
this.baseAction = baseAction;
this.fallbackAction = fallbackAction;
}
@Override
public void update() {
baseAction.update();
if (!baseAction.isEnabled())
fallbackAction.update();
}
@Override
public boolean isEnabled() {
return baseAction.isEnabled() || fallbackAction.isEnabled();
}
@Override
public void run() {
if (baseAction.isEnabled())
baseAction.run();
else
fallbackAction.run();
}
}