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 * List of location lists

    17 *

    18 */

    19 package com.nokia.tracebuilder.view;

    20 

    21 import java.util.ArrayList;

    22 import java.util.Iterator;

    23 

    24 import com.nokia.tracebuilder.engine.TraceLocationList;

    25 import com.nokia.tracebuilder.model.TraceModel;

    26 

    27 /**

    28  * List of location lists

    29  * 

    30  */

    31 final class TraceLocationListsWrapper extends ListWrapper {

    32 

    33 	/**

    34 	 * Location lists that are not visible

    35 	 */

    36 	private ArrayList<TraceLocationListWrapper> hiddenWrappers = new ArrayList<TraceLocationListWrapper>();

    37 

    38 	/**

    39 	 * Constructor

    40 	 * 

    41 	 * @param model

    42 	 *            the trace model

    43 	 * @param parent

    44 	 *            the parent wrapper

    45 	 * @param updater

    46 	 *            the updater

    47 	 */

    48 	TraceLocationListsWrapper(TraceModel model, WrapperBase parent,

    49 			WrapperUpdater updater) {

    50 		super(parent, updater);

    51 		Iterator<TraceLocationList> itr = model

    52 				.getExtensions(TraceLocationList.class);

    53 		while (itr.hasNext()) {

    54 			addLocationList(itr.next());

    55 		}

    56 	}

    57 

    58 	/**

    59 	 * Adds a location list to this wrapper

    60 	 * 

    61 	 * @param list

    62 	 *            the list

    63 	 * @return the wrapper to be updated

    64 	 */

    65 	WrapperBase addLocationList(TraceLocationList list) {

    66 		TraceLocationListWrapper wrapper = new TraceLocationListWrapper(list,

    67 				this, getUpdater());

    68 		if (list.hasLocations()) {

    69 			add(wrapper);

    70 		} else {

    71 			hiddenWrappers.add(wrapper);

    72 		}

    73 		return this;

    74 	}

    75 

    76 	/**

    77 	 * Removes a location list from this wrapper

    78 	 * 

    79 	 * @param list

    80 	 *            the list to be removed

    81 	 * @return the wrapper to be updated

    82 	 */

    83 	WrapperBase removeLocationList(TraceLocationList list) {

    84 		Iterator<WrapperBase> itr = getVisibleWrappers();

    85 		WrapperBase found = null;

    86 		while (itr.hasNext() && found == null) {

    87 			TraceLocationListWrapper wrapper = (TraceLocationListWrapper) itr

    88 					.next();

    89 			if (wrapper.getLocationList() == list) {

    90 				found = wrapper;

    91 			}

    92 		}

    93 		if (found == null) {

    94 			for (TraceLocationListWrapper wrapper : hiddenWrappers) {

    95 				if (wrapper.getLocationList() == list) {

    96 					found = wrapper;

    97 					break;

    98 				}

    99 			}

   100 		}

   101 		if (found != null) {

   102 			remove(found);

   103 		}

   104 		return this;

   105 	}

   106 

   107 	/**

   108 	 * Shows the given location list wrapper

   109 	 * 

   110 	 * @param wrapper

   111 	 *            the wrapper to be shown

   112 	 * @return the wrapper to be updated

   113 	 */

   114 	WrapperBase showLocationList(TraceLocationListWrapper wrapper) {

   115 		hiddenWrappers.remove(wrapper);

   116 		add(wrapper);

   117 		WrapperBase retval;

   118 		TraceModelWrapper parent = (TraceModelWrapper) getParent();

   119 		if (!parent.contains(this)) {

   120 			parent.add(this);

   121 			retval = parent;

   122 		} else {

   123 			retval = this;

   124 		}

   125 		return retval;

   126 	}

   127 

   128 	/**

   129 	 * Hides the given location list wrapper

   130 	 * 

   131 	 * @param wrapper

   132 	 *            the wrapper to be hidden

   133 	 * @return the wrapper to be updated

   134 	 */

   135 	WrapperBase hideLocationList(TraceLocationListWrapper wrapper) {

   136 		hiddenWrappers.add(wrapper);

   137 		hide(wrapper);

   138 		WrapperBase retval;

   139 		TraceModelWrapper parent = (TraceModelWrapper) getParent();

   140 		if (!hasChildren()) {

   141 			parent.hide(this);

   142 			retval = parent;

   143 		} else {

   144 			retval = this;

   145 		}

   146 		return retval;

   147 	}

   148 

   149 	/*

   150 	 * (non-Javadoc)

   151 	 * 

   152 	 * @see com.nokia.tracebuilder.view.TraceObjectWrapper#delete()

   153 	 */

   154 	@Override

   155 	void delete() {

   156 		Iterator<TraceLocationListWrapper> itr = hiddenWrappers.iterator();

   157 		while (itr.hasNext()) {

   158 			itr.next().delete();

   159 		}

   160 		super.delete();

   161 	}

   162 

   163 }