1 /*

     2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 * Wrapper for one trace group

    17 *

    18 */

    19 package com.nokia.tracebuilder.view;

    20 

    21 import com.nokia.tracebuilder.model.Trace;

    22 import com.nokia.tracebuilder.model.TraceGroup;

    23 

    24 /**

    25  * Wrapper for one trace group

    26  * 

    27  * @see com.nokia.tracebuilder.model.TraceGroup

    28  */

    29 final class TraceGroupWrapper extends TraceObjectWrapper {

    30 

    31 	/**

    32 	 * List of traces

    33 	 */

    34 	private TraceListWrapper traceListWrapper;

    35 

    36 	/**

    37 	 * Wrapper constructor

    38 	 * 

    39 	 * @param group

    40 	 *            the trace group

    41 	 * @param parent

    42 	 *            parent wrapper

    43 	 * @param updater

    44 	 *            the update notifier

    45 	 */

    46 	public TraceGroupWrapper(TraceGroup group, WrapperBase parent,

    47 			WrapperUpdater updater) {

    48 		super(group, parent, updater);

    49 		traceListWrapper = new TraceListWrapper(group, this, updater);

    50 		if (traceListWrapper.hasChildren()) {

    51 			add(traceListWrapper);

    52 		}

    53 	}

    54 

    55 	/**

    56 	 * Adds a trace to this group

    57 	 * 

    58 	 * @param trace

    59 	 *            the trace to be added

    60 	 * @return the wrapper which needs to be refreshed

    61 	 */

    62 	public WrapperBase addTrace(Trace trace) {

    63 		WrapperBase wrapper;

    64 		if (traceListWrapper.hasChildren()) {

    65 			wrapper = traceListWrapper.addTrace(trace);

    66 		} else {

    67 			traceListWrapper.addTrace(trace);

    68 			add(traceListWrapper);

    69 			wrapper = this;

    70 		}

    71 		return wrapper;

    72 	}

    73 

    74 	/**

    75 	 * Removes a trace

    76 	 * 

    77 	 * @param trace

    78 	 *            the trace to be removed

    79 	 * @return the wrapper which needs to be refreshed

    80 	 */

    81 	public WrapperBase removeTrace(Trace trace) {

    82 		WrapperBase wrapper = traceListWrapper.removeTrace(trace);

    83 		if (!traceListWrapper.hasChildren()) {

    84 			hide(traceListWrapper);

    85 			wrapper = this;

    86 		}

    87 		return wrapper;

    88 	}

    89 

    90 }