/*******************************************************************************
 * Copyright (c) 2010, 2011 Obeo.

 * 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:
 *     Obeo - initial API and implementation
 *******************************************************************************/
package org.eclipse.mylyn.docs.intent.client.ui.editor.quickfix;

import org.eclipse.emf.ecore.EObject;
import org.eclipse.jface.text.source.Annotation;
import org.eclipse.mylyn.docs.intent.client.ui.editor.IntentEditorDocument;
import org.eclipse.mylyn.docs.intent.collab.handlers.adapters.RepositoryAdapter;
import org.eclipse.mylyn.docs.intent.core.modelingunit.InstanciationInstruction;
import org.eclipse.mylyn.docs.intent.core.modelingunit.ModelingUnit;
import org.eclipse.mylyn.docs.intent.modelingunit.update.ModelingUnitUpdater;

/**
 * Proposal used to fix a Synchronization issue by opening the compare Editor.
 * 
 * @author <a href="mailto:alex.lagarde@obeo.fr">Alex Lagarde</a>
 * @author <a href="mailto:william.piers@obeo.fr">William Piers</a>
 */
public class UpdateModelingUnitFix extends AbstractIntentFix {

	/**
	 * Default constructor.
	 * 
	 * @param annotation
	 *            the annotation describing the synchronization issue.
	 */
	public UpdateModelingUnitFix(Annotation annotation) {
		super(annotation);
	}

	/**
	 * {@inheritDoc}
	 * 
	 * @see org.eclipse.mylyn.docs.intent.client.ui.editor.quickfix.AbstractIntentFix#applyFix(org.eclipse.mylyn.docs.intent.collab.handlers.adapters.RepositoryAdapter,
	 *      org.eclipse.mylyn.docs.intent.client.ui.editor.IntentEditorDocument)
	 */
	@Override
	protected void applyFix(final RepositoryAdapter repositoryAdapter, IntentEditorDocument document) {
		EObject intentTarget = syncAnnotation.getCompilationStatus().getTarget();
		if (intentTarget instanceof InstanciationInstruction) {
			while (intentTarget != null && !(intentTarget instanceof ModelingUnit)) {
				intentTarget = intentTarget.eContainer();
			}
			if (intentTarget != null) {
				ModelingUnitUpdater updater = new ModelingUnitUpdater(repositoryAdapter);
				updater.fixSynchronizationStatus((ModelingUnit)intentTarget,
						syncAnnotation.getCompilationStatus());
				((IntentEditorDocument)document).reloadFromAST();
			}
		}
	}

	/**
	 * {@inheritDoc}
	 * 
	 * @see org.eclipse.jface.text.contentassist.ICompletionProposal#getDisplayString()
	 */
	public String getDisplayString() {
		return "Update modeling unit";
	}

}