/*

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of "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:  Definitions for the class ATResourceListener

 *

 */

package com.nokia.s60tools.analyzetool.ui;

import org.eclipse.core.resources.IResource;

import org.eclipse.core.resources.IResourceChangeEvent;

import org.eclipse.core.resources.IResourceChangeListener;

import org.eclipse.core.resources.IResourceDelta;

import org.eclipse.core.resources.IResourceDeltaVisitor;

import org.eclipse.core.runtime.CoreException;

import com.nokia.s60tools.analyzetool.Activator;

/**

 * @author kihe

 *

 */

public class ATResourceListener implements IResourceChangeListener{

	/**

	 * Listens workspace resource changes.

	 * If resource is BuildComplete file => notifies AT UI that module build state is changed

	 *

	 * @param event Resource changed event

	 */

	public void resourceChanged(IResourceChangeEvent event) {

		try {

			//if event type is change

			if( event.getType() == IResourceChangeEvent.POST_CHANGE ) {

				//get delta

				IResourceDelta delta = event.getDelta();

				//

				if(delta != null ) {

					//add new IResourceDeltaVisitor for delta

					//now we can thru all the changed files

					delta.accept( new IResourceDeltaVisitor() {

						boolean updateView = true;

						public boolean visit(IResourceDelta newDelta) {

							//we are only interested in new files

							if(newDelta.getKind() != IResourceDelta.ADDED ) {

								return true;

							}

							//get resource

							IResource res = newDelta.getResource();

							//resource if BuildComplete file

							if( res.getName().equalsIgnoreCase("BuildComplete")) {

								//notify AT UI that module build state is changed

								IActionListener listener = Activator.getActionListener();

								if( listener != null && updateView && res.getProject() != null ) {

									listener.buildStateChanged(res.getProject());

									updateView = false;

								}

							}

							return true;

						}

					}

					);

				}

			}

		}catch(CoreException ce) {

			ce.printStackTrace();

		}

	}

}