CompositeRemoveCommand.java

/**
 * 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.commands;

import org.eclipse.gef.commands.Command;
import org.whole.lang.model.IEntity;


public class CompositeRemoveCommand extends Command implements ILegacyCommand {
	private IEntity composite; 
	private IEntity oldChild;
	private int index = -1;

	public void execute() {
		index = composite.wIndexOf(oldChild);
		composite.wRemove(oldChild);
	}

	public void undo() {
		composite.wAdd(index, oldChild);
	}

	public void setComposite(IEntity composite) {
		this.composite = composite;
	}

	public void setChild(IEntity oldChild) {
		this.oldChild = oldChild;
	}
}