/*

 * Copyright (c) 2007-2010 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:

 *

 * Label provider for the events view

 *

 */

package com.nokia.trace.eventview;

import org.eclipse.jface.viewers.ILabelProviderListener;

import org.eclipse.jface.viewers.ITableLabelProvider;

import org.eclipse.swt.graphics.Image;

import org.eclipse.ui.ISharedImages;

import org.eclipse.ui.PlatformUI;

import com.nokia.trace.eventrouter.TraceEvent;

/**

 * Label provider for the events view

 * 

 */

final class EventListLabelProvider implements ITableLabelProvider {

	/**

	 * Error icon

	 */

	private Image errorImage;

	/**

	 * Warning icon

	 */

	private Image warningImage;

	/**

	 * Info icon

	 */

	private Image infoImage;

	/**

	 * Constructor

	 */

	EventListLabelProvider() {

		// Get the images from the shared images structure

		errorImage = PlatformUI.getWorkbench().getSharedImages().getImage(

				ISharedImages.IMG_OBJS_ERROR_TSK);

		warningImage = PlatformUI.getWorkbench().getSharedImages().getImage(

				ISharedImages.IMG_OBJS_WARN_TSK);

		infoImage = PlatformUI.getWorkbench().getSharedImages().getImage(

				ISharedImages.IMG_OBJS_INFO_TSK);

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see

	 * org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java.lang

	 * .Object, int)

	 */

	public Image getColumnImage(Object element, int columnIndex) {

		EventListEntry entry = (EventListEntry) element;

		Image retval = null;

		if (columnIndex == 0) {

			if (entry.getType() == TraceEvent.ERROR) {

				retval = errorImage;

			} else if (entry.getType() == TraceEvent.WARNING) {

				retval = warningImage;

			} else {

				retval = infoImage;

			}

		}

		return retval;

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see

	 * org.eclipse.jface.viewers.ITableLabelProvider#getColumnText(java.lang

	 * .Object, int)

	 */

	public String getColumnText(Object element, int columnIndex) {

		String retval;

		EventListEntry entry = (EventListEntry) element;

		if (columnIndex == TraceEventView.TYPE_COLUM_INDEX) {

			if (entry.getType() == TraceEvent.ERROR) {

				retval = Messages

						.getString("EventListLabelProvider.ErrorEventType"); //$NON-NLS-1$

			} else if (entry.getType() == TraceEvent.WARNING) {

				retval = Messages

						.getString("EventListLabelProvider.WarningEventType"); //$NON-NLS-1$

			} else if (entry.getType() == TraceEvent.ASSERT_CRITICAL

					|| entry.getType() == TraceEvent.ASSERT_NORMAL) {

				retval = Messages

						.getString("EventListLabelProvider.AssertionEventType"); //$NON-NLS-1$

			} else {

				retval = Messages

						.getString("EventListLabelProvider.InfoEventType"); //$NON-NLS-1$

			}

		} else if (columnIndex == TraceEventView.CATEGORY_COLUM_INDEX) {

			retval = entry.getCategory();

			if (retval == null) {

				retval = ""; //$NON-NLS-1$

			}

		} else if (columnIndex == TraceEventView.SOURCE_COLUM_INDEX) {

			if (entry.hasSource()) {

				retval = entry.getSourceName();

			} else {

				retval = ""; //$NON-NLS-1$

			}

		} else if (columnIndex == TraceEventView.DESCRIPTION_COLUM_INDEX) {

			retval = entry.getDescription();

			if (retval == null) {

				retval = ""; //$NON-NLS-1$

			}

		} else {

			retval = ""; //$NON-NLS-1$

		}

		return retval;

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see org.eclipse.jface.viewers.IBaseLabelProvider#

	 * addListener(org.eclipse.jface.viewers.ILabelProviderListener)

	 */

	public void addListener(ILabelProviderListener listener) {

	}

	/*

	 * (non-Javadoc)

	 * 

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

	 */

	public void dispose() {

		// Shared images must not be disposed

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see

	 * org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang

	 * .Object, java.lang.String)

	 */

	public boolean isLabelProperty(Object element, String property) {

		return false;

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see org.eclipse.jface.viewers.IBaseLabelProvider#

	 * removeListener(org.eclipse.jface.viewers.ILabelProviderListener)

	 */

	public void removeListener(ILabelProviderListener listener) {

	}

}