/*******************************************************************************
 * 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.selection.internal;

import java.util.Collection;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IPath;
import org.erlide.engine.ErlangEngine;
import org.erlide.engine.model.root.IErlModel;
import org.erlide.engine.model.root.IErlProject;
import org.erlide.wrangler.refactoring.selection.IErlSelection;

import com.ericsson.otp.erlang.OtpErlangList;
import com.ericsson.otp.erlang.OtpErlangString;

/**
 * Abstract class which represents an Erlang selection.
 *
 * @author Gyorgy Orosz
 * @version %I%, %G%
 */
public abstract class AbstractErlSelection implements IErlSelection {

    protected IFile file;

    @Override
    public boolean isEmpty() {
        return false;
    }

    @Override
    public OtpErlangList getSearchPath() {
        final IProject project = file.getProject();
        final IErlModel model = ErlangEngine.getInstance().getModel();
        final IErlProject actualProject = model.getErlangProject(project);
        final IPath projectLocation = actualProject.getWorkspaceProject().getLocation();

        final Collection<IPath> sourcDirs = actualProject.getProperties().getSourceDirs();
        final OtpErlangString[] searchPath = new OtpErlangString[sourcDirs.size()];
        int i = 0;
        for (final IPath src : sourcDirs) {
            searchPath[i++] = new OtpErlangString(
                    projectLocation.append(src).toOSString());
        }
        return new OtpErlangList(searchPath);
    }

    @Override
    public String getFilePath() {
        return file.getLocation().toOSString();
    }

    @Override
    public IFile getFile() {
        return file;
    }

}