/*

* 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 "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.testfw.stf.configeditor.editors;

import org.eclipse.jface.viewers.ITreeContentProvider;

import org.eclipse.jface.viewers.Viewer;

/**

 * Provides content for modules tree control.

 *

 */

public class ModulesTreeContentProvider implements ITreeContentProvider

{

	/* (non-Javadoc)

	 * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)

	 */

	public Object[] getChildren(Object parentElement) {

		if ( parentElement instanceof ModulesTreeNode ) {

			return ((ModulesTreeNode)parentElement).getChildrens().toArray();

		}

		return null;

	}

	/* (non-Javadoc)

	 * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object)

	 */

	public Object getParent(Object element) {

		if ( element instanceof ModulesTreeNode ) {

			return ((ModulesTreeNode)element).getParent();			

		}

		return null;

	}

	/* (non-Javadoc)

	 * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object)

	 */

	public boolean hasChildren(Object element) {

		if ( element instanceof ModulesTreeNode ) {

			return ((ModulesTreeNode)element).hasChildren();			

		}

		return false;

	}

	/* (non-Javadoc)

	 * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object)

	 */

	public Object[] getElements(Object inputElement) {

		return getChildren(inputElement);

	}

	/* (non-Javadoc)

	 * @see org.eclipse.jface.viewers.IContentProvider#dispose()

	 */

	public void dispose() {

	}

	/* (non-Javadoc)

	 * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)

	 */

	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {

	}	

}