/*******************************************************************************
* Copyright (c) 2004, 2006 QNX Software Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* QNX Software Systems - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.debug.internal.ui.views.modules;
import org.eclipse.cdt.debug.core.model.ICModule;
import org.eclipse.cdt.debug.core.model.IModuleRetrieval;
import org.eclipse.debug.core.DebugEvent;
import org.eclipse.debug.core.model.IDebugTarget;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta;
import org.eclipse.debug.internal.ui.viewers.model.provisional.ModelDelta;
import org.eclipse.debug.internal.ui.viewers.provisional.AbstractModelProxy;
import org.eclipse.debug.internal.ui.viewers.update.DebugEventHandler;
/**
* Comment for .
*/
public class ModulesViewEventHandler extends DebugEventHandler {
private IModuleRetrieval fModuleRetrieval;
/**
* Constructor for ModulesViewEventHandler.
*/
public ModulesViewEventHandler( AbstractModelProxy proxy, IModuleRetrieval moduleRetrieval ) {
super( proxy );
fModuleRetrieval = moduleRetrieval;
}
/* (non-Javadoc)
* @see org.eclipse.debug.internal.ui.viewers.update.DebugEventHandler#handlesEvent(org.eclipse.debug.core.DebugEvent)
*/
protected boolean handlesEvent( DebugEvent event ) {
if ( event.getKind() == DebugEvent.CREATE ||
event.getKind() == DebugEvent.TERMINATE ||
event.getKind() == DebugEvent.CHANGE )
return true;
return false;
}
/* (non-Javadoc)
* @see org.eclipse.debug.internal.ui.viewers.update.DebugEventHandler#handleChange(org.eclipse.debug.core.DebugEvent)
*/
protected void handleChange( DebugEvent event ) {
if ( event.getSource() instanceof ICModule )
fireDelta( (ICModule)event.getSource(), IModelDelta.STATE );
}
/* (non-Javadoc)
* @see org.eclipse.debug.internal.ui.viewers.update.DebugEventHandler#handleCreate(org.eclipse.debug.core.DebugEvent)
*/
protected void handleCreate( DebugEvent event ) {
Object source = event.getSource();
if ( source instanceof IDebugTarget ) {
refreshRoot( event );
}
else if ( source instanceof ICModule ) {
if ( accept( (ICModule)source ) ) {
ICModule module = (ICModule)source;
fireDelta( module, IModelDelta.ADDED );
}
}
}
/* (non-Javadoc)
* @see org.eclipse.debug.internal.ui.viewers.update.DebugEventHandler#handleTerminate(org.eclipse.debug.core.DebugEvent)
*/
protected void handleTerminate( DebugEvent event ) {
Object source = event.getSource();
if ( source instanceof IDebugTarget ) {
refreshRoot( event );
}
else if ( source instanceof ICModule ) {
fireDelta( (ICModule)source, IModelDelta.REMOVED );
}
}
private void fireDelta( ICModule module, int flags ) {
ModelDelta root = new ModelDelta( fModuleRetrieval, IModelDelta.NO_CHANGE );
root.addNode( module, flags );
fireDelta( root );
}
/* (non-Javadoc)
* @see org.eclipse.debug.internal.ui.viewers.update.DebugEventHandler#dispose()
*/
public synchronized void dispose() {
super.dispose();
fModuleRetrieval = null;
}
private boolean accept( ICModule module ) {
return fModuleRetrieval.equals( module.getAdapter( IModuleRetrieval.class ) );
}
}