org.eclipse.osbp.xtext.menu/src/org/eclipse/osbp/xtext/menu/valueconverter/MenuQualifiedNameProvider.java

/**
 *                                                                            
 * Copyright (c) 2011, 2016 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
 *                                                                            
 * 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:   
 * Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation 
 */
package org.eclipse.osbp.xtext.menu.valueconverter;

import java.util.List;

import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.osbp.xtext.menu.MenuEntry;
import org.eclipse.osbp.xtext.menu.MenuPackage;
import org.eclipse.xtext.naming.IQualifiedNameConverter;
import org.eclipse.xtext.naming.QualifiedName;
import org.eclipse.xtext.nodemodel.INode;
import org.eclipse.xtext.nodemodel.util.NodeModelUtils;
import org.eclipse.xtext.xbase.scoping.XbaseQualifiedNameProvider;

import com.google.inject.Inject;


@SuppressWarnings("restriction")
public class MenuQualifiedNameProvider extends XbaseQualifiedNameProvider {

	@Inject
	private IQualifiedNameConverter qualifiedNameConverter;

	@Override
	public QualifiedName getFullyQualifiedName(EObject obj) {
		if (obj == null) {
			return QualifiedName.create("");
		}
		if (obj instanceof MenuEntry) {
			MenuEntry menu = (MenuEntry) obj;
            if (menu.getEntryid() == null) {
            	return null;
            }
            return qualifiedNameConverter.toQualifiedName(menu.getEntryid());
		}
		return super.getFullyQualifiedName(obj);
	}

//	// this method evaluates the cross referenced name of an object without causing cyclic lazy linking errors
//	private String getCrossReferenceName(EObject obj, EStructuralFeature feature) {
//		List<INode> nodes = NodeModelUtils.findNodesForFeature(obj, feature);
//		if (nodes.size() == 0) {
//			return null;
//		}
//		return NodeModelUtils.getTokenText(nodes.get(0));
//	}
//
//	private String getPackageName(EObject obj) {
//		EObject o = obj.eContainer();
//		while(!(o instanceof MenuPackage)) {
//			o = o.eContainer();
//		}
//		return ((MenuPackage)o).getName();
//	}
}