org.eclipse.fmc.blockdiagram.editor/src/org/eclipse/fmc/blockdiagram/editor/features/CompositeFeature.java

/*******************************************************************************
 * <copyright>
 *
 * Copyright (c) 2013, 2013 SAP AG.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    SAP AG - initial API, implementation and documentation
 *
 * </copyright>
 *
 *******************************************************************************/
package org.eclipse.fmc.blockdiagram.editor.features;

import org.eclipse.graphiti.features.IFeature;
import org.eclipse.graphiti.features.IFeatureProvider;
import org.eclipse.graphiti.features.context.IContext;

/**
 * 
 * @author Benjamin Schmeling 
 * 
 */
public class CompositeFeature implements IFeature {

	private final IFeature[] features;

	protected IFeature getFeature(int i) {
		return features[i];
	}

	public CompositeFeature(IFeature... features) {
		this.features = features;
	}

	@Override
	public String getName() {
		return "Composite feature";
	}

	@Override
	public String getDescription() {
		return "Executes mutiple features at the same time";
	}

	@Override
	public IFeatureProvider getFeatureProvider() {
		return features[0].getFeatureProvider();
	}

	@Override
	public boolean isAvailable(IContext context) {
		for (IFeature feature : features) {
			if (!feature.isAvailable(context))
				return false;
		}
		return true;
	}

	@Override
	public boolean canExecute(IContext context) {
		for (IFeature feature : features) {
			if (!feature.canExecute(context))
				return false;
		}
		return true;
	}

	@Override
	public void execute(IContext context) {
		for (IFeature feature : features) {
			feature.execute(context);
		}
	}

	@Override
	public boolean canUndo(IContext context) {
		for (IFeature feature : features) {
			if (!feature.canUndo(context))
				return false;
		}
		return true;
	}

	@Override
	public boolean hasDoneChanges() {
		for (IFeature feature : features) {
			if (feature.hasDoneChanges())
				return true;
		}
		return true;
	}

}