IHandlePartFactory.java

/*******************************************************************************
 * Copyright (c) 2014, 2016 itemis AG and others.
 * 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:
 *     Alexander Nyßen (itemis AG) - initial API and implementation
 *
 *******************************************************************************/
package org.eclipse.gef.mvc.fx.parts;

import java.util.List;
import java.util.Map;

import org.eclipse.gef.mvc.fx.behaviors.IBehavior;

import javafx.scene.Node;

/**
 * The {@link IHandlePartFactory} interface specifies a factory method for the
 * creation of {@link IHandlePart}s for a given list of target
 * {@link IVisualPart}s, a context {@link IBehavior}, and a context {@link Map}.
 *
 * @author anyssen
 *
 */
public interface IHandlePartFactory {

	/**
	 * Creates specific {@link IHandlePart}s for the given <i>targets</i>. As
	 * additional information might be needed by the {@link IHandlePartFactory}
	 * to identify the creation context, an additional <i>contextMap</i> is
	 * passed in upon creation.
	 *
	 * @param targets
	 *            The target {@link IVisualPart}s for which handles are to be
	 *            created.
	 * @param contextMap
	 *            A map in which additional context information for the creation
	 *            process can be placed.
	 * @return A list of {@link IHandlePart}s that can be used to manipulate the
	 *         given targets.
	 */
	public List<IHandlePart<? extends Node>> createHandleParts(
			List<? extends IVisualPart<? extends Node>> targets,
			Map<Object, Object> contextMap);

}