/*

* Copyright (c) 2007 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:

*

* An error that trace does not have or has more than one location

*

*/

package com.nokia.tracebuilder.eventhandler;

import com.nokia.trace.eventrouter.TraceEvent;

import com.nokia.trace.eventview.TraceEventList;

import com.nokia.tracebuilder.engine.TraceBuilderErrorMessages;

import com.nokia.tracebuilder.engine.TraceLocationList;

import com.nokia.tracebuilder.engine.TraceBuilderErrorCodes.TraceBuilderErrorCode;

import com.nokia.tracebuilder.model.Trace;

/**

 * An error that trace does not have or has more than one location

 * 

 */

class EventListEntryLocationCountError extends EventListEntryTraceObject {

	/**

	 * The event list

	 */

	private TraceEventList eventList;

	/**

	 * Constructor

	 * 

	 * @param eventList

	 *            the event list

	 * @param trace

	 *            the trace

	 */

	EventListEntryLocationCountError(TraceEventList eventList, Trace trace) {

		super(TraceEvent.ERROR, "", trace); //$NON-NLS-1$

		String category = Messages

				.getString("InvalidLocationEntryAdder.InvalidLocationEventCategory"); //$NON-NLS-1$

		setCategory(category);

		this.eventList = eventList;

		update();

	}

	/**

	 * Updates the description of this error

	 */

	void update() {

		TraceLocationList list = getObject().getExtension(

				TraceLocationList.class);

		String msg;

		if (list == null || list.getLocationCount() == 0) {

			msg = TraceBuilderErrorMessages.getErrorMessage(

					TraceBuilderErrorCode.TRACE_HAS_NO_LOCATIONS, null);

		} else {

			msg = TraceBuilderErrorMessages.getErrorMessage(

					TraceBuilderErrorCode.TRACE_HAS_MULTIPLE_LOCATIONS, null);

		}

		setDescription(msg);

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see com.nokia.tracebuilder.eventhandler.EventListEntryTraceObject#objectDeleted()

	 */

	@Override

	public void objectDeleted() {

		eventList.removeEntry(this);

	}

}