bundles/org.eclipse.rap.gef.demo/src/org/eclipse/gef/examples/logicdesigner/edit/LogicContainerEditPart.java

/*******************************************************************************
 * Copyright (c) 2000, 2010 IBM Corporation 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.gef.examples.logicdesigner.edit;

import java.util.List;

import org.eclipse.swt.accessibility.AccessibleEvent;

import org.eclipse.gef.AccessibleEditPart;
import org.eclipse.gef.EditPolicy;

import org.eclipse.gef.examples.logicdesigner.model.LogicDiagram;

/**
 * Provides support for Container EditParts.
 */
abstract public class LogicContainerEditPart extends LogicEditPart {
	protected AccessibleEditPart createAccessible() {
		return new AccessibleGraphicalEditPart() {
			public void getName(AccessibleEvent e) {
				e.result = getLogicDiagram().toString();
			}
		};
	}

	/**
	 * Installs the desired EditPolicies for this.
	 */
	protected void createEditPolicies() {
		super.createEditPolicies();
		installEditPolicy(EditPolicy.CONTAINER_ROLE,
				new LogicContainerEditPolicy());
	}

	/**
	 * Returns the model of this as a LogicDiagram.
	 * 
	 * @return LogicDiagram of this.
	 */
	protected LogicDiagram getLogicDiagram() {
		return (LogicDiagram) getModel();
	}

	/**
	 * Returns the children of this through the model.
	 * 
	 * @return Children of this as a List.
	 */
	protected List getModelChildren() {
		return getLogicDiagram().getChildren();
	}

}