plugins/org.eclipse.epf.library.edit/src/org/eclipse/epf/library/edit/category/NameChangeListener.java

//------------------------------------------------------------------------------
// Copyright (c) 2005, 2006 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 implementation
//------------------------------------------------------------------------------
package org.eclipse.epf.library.edit.category;

import java.util.Iterator;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.emf.ecore.EObject;

import com.ibm.uma.MethodElement;
import com.ibm.uma.UmaPackage;

/**
 * @author Phong Nguyen Le
 * @since 1.0
 */
public class NameChangeListener extends AdapterImpl {

	private MethodElement element;

	public NameChangeListener(MethodElement e) {
		element = e;
	}

	public MethodElement getChangeConsumer() {
		return element;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.emf.common.notify.impl.AdapterImpl#notifyChanged(org.eclipse.emf.common.notify.Notification)
	 */
	public void notifyChanged(Notification msg) {
		switch (msg.getFeatureID(MethodElement.class)) {
		case UmaPackage.METHOD_ELEMENT__NAME:
			element.setName((String) msg.getNewValue());
			return;
		}
	}

	public static void removeAdapter(EObject target, Object consumer) {
		for (Iterator iter = target.eAdapters().iterator(); iter.hasNext();) {
			Object adapter = (Object) iter.next();
			if (adapter instanceof NameChangeListener
					&& ((NameChangeListener) adapter).element == consumer) {
				iter.remove();
				return;
			}
		}
	}

	/**
	 * @param baseCategory
	 * @param category
	 * @return
	 */
	public static NameChangeListener getAdapter(EObject target, Object category) {
		for (Iterator iter = target.eAdapters().iterator(); iter.hasNext();) {
			Object adapter = (Object) iter.next();
			NameChangeListener listener;
			if (adapter instanceof NameChangeListener
					&& (listener = (NameChangeListener) adapter).element == category) {
				return listener;
			}
		}
		return null;
	}

}