trace/tracebuilder/com.nokia.tracebuilder.view/src/com/nokia/tracebuilder/view/TraceLocationListWrapper.java
/*
* 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:
*
* Wrapper for TraceLocationList
*
*/
package com.nokia.tracebuilder.view;
import java.util.Iterator;
import com.nokia.tracebuilder.engine.LocationProperties;
import com.nokia.tracebuilder.engine.TraceLocation;
import com.nokia.tracebuilder.engine.TraceLocationList;
import com.nokia.tracebuilder.engine.TraceLocationListListener;
/**
* Wrapper for TraceLocationList
*
*/
final class TraceLocationListWrapper extends ListWrapper implements
TraceLocationListListener {
/**
* Location list
*/
private TraceLocationList locationList;
/**
* Constructor
*
* @param list
* the location list
* @param parent
* the parent wrapper
* @param updater
* the update notifier
*/
TraceLocationListWrapper(TraceLocationList list, WrapperBase parent,
WrapperUpdater updater) {
super(parent, updater);
this.locationList = list;
createChildren();
locationList.addLocationListListener(this);
}
/**
* Creates the location wrappers
*/
private void createChildren() {
for (LocationProperties loc : locationList) {
TraceLocationWrapper wrapper = new TraceLocationWrapper(
(TraceLocation) loc, this, getUpdater());
add(wrapper);
}
}
/**
* Gets the location list
*
* @return the location list
*/
TraceLocationList getLocationList() {
return locationList;
}
/**
* Updates the location list
*
* @param list
* the new location list
*/
void updateLocationList(TraceLocationList list) {
if (locationList != null) {
locationList.removeLocationListListener(this);
}
clear();
locationList = list;
if (locationList != null) {
locationList.addLocationListListener(this);
createChildren();
}
}
/*
* (non-Javadoc)
*
* @see com.nokia.tracebuilder.view.ListWrapper#delete()
*/
@Override
void delete() {
super.delete();
if (locationList != null) {
locationList.removeLocationListListener(this);
}
}
/*
* (non-Javadoc)
*
* @see com.nokia.tracebuilder.engine.TraceLocationListListener#
* locationAdded(com.nokia.tracebuilder.engine.TraceLocation)
*/
public void locationAdded(TraceLocation location) {
TraceLocationWrapper wrapper = new TraceLocationWrapper(location, this,
getUpdater());
boolean inView = false;
boolean hidden = false;
if (!hasChildren()) {
hidden = true;
}
// If one of the existing locations is shown in view, or there are no
// existing locations the new one is also marked as shown in view
if (isInView()) {
if (hasChildren()) {
Iterator<WrapperBase> itr = getVisibleWrappers();
if (itr.next().isInView()) {
inView = true;
}
} else {
inView = true;
}
}
add(wrapper);
wrapper.setInView(inView);
if (hidden) {
WrapperBase parent = getParent();
if (parent instanceof TraceWrapper) {
((TraceWrapper) parent).showLocationList();
getUpdater().queueUpdate(parent);
} else if (parent instanceof TraceLocationListsWrapper) {
WrapperBase update = ((TraceLocationListsWrapper) parent)
.showLocationList(this);
getUpdater().queueUpdate(update);
}
} else {
getUpdater().queueUpdate(this);
}
}
/*
* (non-Javadoc)
*
* @see com.nokia.tracebuilder.engine.TraceLocationListListener#
* locationRemoved(com.nokia.tracebuilder.engine.TraceLocation)
*/
public void locationRemoved(TraceLocation location) {
TraceLocationWrapper wrapper = (TraceLocationWrapper) location
.getProperties().getViewReference();
remove(wrapper);
// Forces a full validity check
if (!hasChildren()) {
WrapperBase parent = getParent();
if (parent instanceof TraceWrapper) {
((TraceWrapper) parent).hideLocationList();
getUpdater().queueUpdate(parent);
} else if (parent instanceof TraceLocationListsWrapper) {
WrapperBase update = ((TraceLocationListsWrapper) parent)
.hideLocationList(this);
getUpdater().queueUpdate(update);
}
} else {
getUpdater().queueUpdate(this);
}
}
}