plugins/org.eclipse.gmf.tooling.runtime/src/org/eclipse/gmf/tooling/runtime/parsers/EnumParser.java

package org.eclipse.gmf.tooling.runtime.parsers;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EEnum;
import org.eclipse.emf.ecore.EEnumLiteral;
import org.eclipse.emf.ecore.EObject;

public class EnumParser extends ChoiceParserBase {

	public EnumParser(EAttribute enumFeature) {
		super(enumFeature);
	}

	@SuppressWarnings("unchecked")
	@Override
	protected Collection<Object> getItems(EObject element) {
		List<Object> result = new ArrayList<Object>();
		EAttribute enumFeature = (EAttribute) getFeature();
		EEnum type = (EEnum) enumFeature.getEType();
		@SuppressWarnings("rawtypes")
		Class<? extends Enum> enumeratorClass = (Class<? extends Enum>) type.getInstanceClass();
		for (EEnumLiteral eLiteral : type.getELiterals()) {
			Object literalValue = Enum.valueOf(enumeratorClass, eLiteral.getLiteral());
			result.add(literalValue);
		}
		return result;
	}

	@Override
	protected String getEditChoice(EObject element, Object item) {
		return ((Enum<?>) item).name();
	}

}