/*******************************************************************************
 * Copyright (c) 2010 György Orosz.
 * 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:
 *     György Orosz - initial API and implementation
 ******************************************************************************/
package org.erlide.wrangler.refactoring.core;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.erlide.wrangler.refactoring.backend.IRefactoringRpcMessage;
import org.erlide.wrangler.refactoring.selection.IErlSelection;
import org.erlide.wrangler.refactoring.util.GlobalParameters;

/**
 * This kind of Refactoring class is used when a refactoring only needs a single
 * input and does not have any other interactions. e.g. rename variable
 *
 * @author Gyorgy Orosz
 * @version %I%, %G%
 */
public abstract class SimpleOneStepWranglerRefactoring extends SimpleWranglerRefactoring {

    /**
     * If the refactoring returns with a warning message, wrangler should know
     * that the user asked to continue. It is done by calling a function.
     *
     * @return a refactoring message
     */
    // public abstract IRefactoringRpcMessage runAfterWarning(IErlSelection
    // sel);
    @Override
    public RefactoringStatus checkFinalConditions(final IProgressMonitor pm)
            throws CoreException, OperationCanceledException {
        final IErlSelection sel = GlobalParameters.getWranglerSelection();
        final IRefactoringRpcMessage message = run(sel);
        if (message.isSuccessful()) {
            changedFiles = message.getRefactoringChangeset();
            return new RefactoringStatus();
            // } else if (message.getRefactoringState() ==
            // RefactoringState.WARNING) {
            // return RefactoringStatus.createWarningStatus(message
            // .getMessageString());
        }
        return RefactoringStatus.createFatalErrorStatus(message.getMessageString());
    }
}