/*******************************************************************************
 * Copyright (c) 2011, 2012 Ericsson AB and others.
 * 
 * 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
 * 
 * Description:
 * 
 * This class encapsulates the properties for the Contetns UI model element
 * 
 * Contributors:
 *   Sebastien Dubois - Created for Mylyn Review R4E project
 *   
 ******************************************************************************/

package org.eclipse.mylyn.reviews.r4e.ui.internal.properties.general;

import org.eclipse.mylyn.reviews.r4e.ui.internal.model.R4EUIContent;
import org.eclipse.mylyn.reviews.r4e.ui.internal.model.R4EUIModelElement;
import org.eclipse.mylyn.reviews.r4e.ui.internal.utils.R4EUIConstants;
import org.eclipse.ui.views.properties.IPropertyDescriptor;
import org.eclipse.ui.views.properties.PropertyDescriptor;

/**
 * @author Sebastien Dubois
 * @version $Revision: 1.0 $
 */
public class ContentsProperties extends ModelElementProperties {

	// ------------------------------------------------------------------------
	// Constants
	// ------------------------------------------------------------------------

	/**
	 * Field CONTENTS_POSITION_ID. (value is ""contentsElement.position"")
	 */
	private static final String CONTENTS_POSITION_ID = "contentsElement.position";

	/**
	 * Field CONTENTS_POSITION_PROPERTY_DESCRIPTOR.
	 */
	private static final PropertyDescriptor CONTENTS_POSITION_PROPERTY_DESCRIPTOR = new PropertyDescriptor(
			CONTENTS_POSITION_ID, R4EUIConstants.POSITION_LABEL);

	/**
	 * Field CONTENTS_ASSIGNED_TO_ID. (value is ""contentsElement.assignedTo"")
	 */
	private static final String CONTENTS_ASSIGNED_TO_ID = "contentsElement.assignedTo";

	/**
	 * Field CONTENTS_ASSIGNED_TO_PROPERTY_DESCRIPTOR.
	 */
	protected static final PropertyDescriptor CONTENTS_ASSIGNED_TO_PROPERTY_DESCRIPTOR = new PropertyDescriptor(
			CONTENTS_ASSIGNED_TO_ID, R4EUIConstants.ASSIGNED_TO_LABEL);

	/**
	 * Field DESCRIPTORS.
	 */
	private static final IPropertyDescriptor[] DESCRIPTORS = { CONTENTS_POSITION_PROPERTY_DESCRIPTOR,
			CONTENTS_ASSIGNED_TO_PROPERTY_DESCRIPTOR };

	// ------------------------------------------------------------------------
	// Constructors
	// ------------------------------------------------------------------------

	/**
	 * Constructor for ContentsProperties.
	 * 
	 * @param aElement
	 *            R4EUIModelElement
	 */
	public ContentsProperties(R4EUIModelElement aElement) {
		super(aElement);
	}

	// ------------------------------------------------------------------------
	// Methods
	// ------------------------------------------------------------------------

	/**
	 * Method getPropertyDescriptors.
	 * 
	 * @return IPropertyDescriptor[]
	 * @see org.eclipse.ui.views.properties.IPropertySource#getPropertyDescriptors()
	 */
	@Override
	public IPropertyDescriptor[] getPropertyDescriptors() {
		return DESCRIPTORS;
	}

	/**
	 * Method getPropertyValue.
	 * 
	 * @param aId
	 *            Object
	 * @return Object
	 * @see org.eclipse.ui.views.properties.IPropertySource#getPropertyValue(Object)
	 */
	@Override
	public Object getPropertyValue(Object aId) {
		if (CONTENTS_POSITION_ID.equals(aId)) {
			return ((R4EUIContent) getElement()).getPosition().toString();
		} else if (CONTENTS_ASSIGNED_TO_ID.equals(aId)) {
			return ((R4EUIContent) getElement()).getContent().getAssignedTo();
		}
		return null;
	}
}