/*

 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description: 

 *

 */

package com.nokia.carbide.cpp.pi.core;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.List;

import org.eclipse.core.resources.IProject;

import org.eclipse.core.resources.IProjectDescription;

import org.eclipse.core.resources.IProjectNature;

import org.eclipse.core.runtime.CoreException;

import org.eclipse.core.runtime.IProgressMonitor;

public class PIProjectNature implements IProjectNature {

	public static final String PI_NATURE_ID = PICorePlugin.PLUGIN_ID + ".pinature";  //$NON-NLS-1$

	private IProject fProject;

	public void configure() throws CoreException {

	}

	public void deconfigure() throws CoreException {

	}

	public PIProjectNature() {

	}

	public PIProjectNature(IProject project) {

		setProject(project);

	}

	public IProject getProject() {

		return fProject;

	}

	public void setProject(IProject project) {

		fProject = project;

	}

	public static void addPINature(IProject project, IProgressMonitor mon) throws CoreException {

		addNature(project, PI_NATURE_ID, mon);

	}

	public static void removePINature(IProject project, IProgressMonitor mon) throws CoreException {

		removeNature(project, PI_NATURE_ID, mon);

	}

	private static void addNature(IProject project, String natureId, IProgressMonitor monitor) throws CoreException {

		IProjectDescription description = project.getDescription();

		String[] prevNatures = description.getNatureIds();

		for (String prevNature : prevNatures) {

			if (natureId.equals(prevNature)) {

				return;

			}

		}

		String[] newNatures = new String[prevNatures.length + 1];

		System.arraycopy(prevNatures, 0, newNatures, 0, prevNatures.length);

		newNatures[prevNatures.length] = natureId;

		description.setNatureIds(newNatures);

		project.setDescription(description, monitor);

	}

	private static void removeNature(IProject project, String natureId, IProgressMonitor monitor) throws CoreException {

		IProjectDescription description = project.getDescription();

		String[] prevNatures = description.getNatureIds();

		List<String> newNatures = new ArrayList<String>(Arrays.asList(prevNatures));

		newNatures.remove(natureId);

		description.setNatureIds((String[]) newNatures.toArray(new String[newNatures.size()]));

		project.setDescription(description, monitor);

	}

}