/*******************************************************************************
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 *******************************************************************************/

package com.liferay.ide.portlet.core.lfportlet.model.internal;

import com.liferay.ide.core.util.CoreUtil;

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

import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IPath;
import org.eclipse.sapphire.Element;
import org.eclipse.sapphire.modeling.Path;
import org.eclipse.sapphire.services.RelativePathService;


/**
 * @author Simon Jiang
 */
public class IconRelativePathService extends RelativePathService
{

    final List<Path> computeRoots( IProject project )
    {
        List<Path> roots = new ArrayList<Path>();

        if( project != null )
        {
            final IFolder webappRoot = CoreUtil.getDefaultDocrootFolder( project );

            if( webappRoot != null )
            {
                final IPath location = webappRoot.getLocation();

                if( location != null )
                {
                    roots.add( new Path( location.toPortableString() ) );
                }
            }
        }

        return roots;
    }

    protected IProject project()
    {
        return context( Element.class ).adapt( IProject.class );
    }

    @Override
    public final List<Path> roots()
    {
        return computeRoots( project() );
    }

}