/*******************************************************************************
 * Copyright © 2008, 2013 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.edt.ide.ui.internal.refactoring.changes;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.Assert;
import org.eclipse.edt.ide.core.model.IEGLFile;
import org.eclipse.ltk.core.refactoring.TextFileChange;

public class EGLFileChange extends TextFileChange {

	private IEGLFile fCUnit;
	
	/**
	 * Creates a new <code>CompilationUnitChange</code>.
	 * 
	 * @param name the change's name mainly used to render the change in the UI
	 * @param cunit the compilation unit this text change works on
	 */
	public EGLFileChange(String name, IEGLFile cunit) {
		super(name, getFile(cunit));
		Assert.isNotNull(cunit);
		fCUnit= cunit;
		setTextType("egl"); //$NON-NLS-1$
	}
	
	private static IFile getFile(IEGLFile cunit) {
		return (IFile) cunit.getResource();
	}
	
	/* non java-doc
	 * Method declared in IChange.
	 */
	public Object getModifiedElement(){
		return fCUnit;
	}
	
	/**
	 * Returns the compilation unit this change works on.
	 * 
	 * @return the compilation unit this change works on
	 */
	public IEGLFile getEGLFile() {
		return fCUnit;
	}
	
	/**
	 * {@inheritDoc}
	 */
	public Object getAdapter(Class adapter) {
		if (IEGLFile.class.equals(adapter))
			return fCUnit;
		return super.getAdapter(adapter);
	}
}