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/*
* Created on Jun 30, 2010
*
* PLACE_YOUR_DISTRIBUTION_STATEMENT_RIGHT_HERE
*/
package org.eclipse.osee.ats.world;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.logging.Level;
import org.eclipse.jface.viewers.IContentProvider;
import org.eclipse.osee.ats.artifact.StateMachineArtifact;
import org.eclipse.osee.ats.internal.AtsPlugin;
import org.eclipse.osee.ats.util.AtsUtil;
import org.eclipse.osee.framework.core.exception.OseeCoreException;
import org.eclipse.osee.framework.logging.OseeLog;
import org.eclipse.osee.framework.skynet.core.artifact.Artifact;
import org.eclipse.osee.framework.skynet.core.event.OseeEventManager;
import org.eclipse.osee.framework.skynet.core.event.Sender;
import org.eclipse.osee.framework.skynet.core.event2.ArtifactEvent;
import org.eclipse.osee.framework.skynet.core.event2.artifact.EventBasicGuidArtifact;
import org.eclipse.osee.framework.skynet.core.event2.artifact.EventModType;
import org.eclipse.osee.framework.skynet.core.event2.artifact.IArtifactEventListener;
import org.eclipse.osee.framework.skynet.core.event2.filter.IEventFilter;
import org.eclipse.osee.framework.ui.plugin.util.Displays;
/**
* Common location for event handling for task and world composites in order to keep number of registrations and
* processing to a minimum.
*
* @author Donald G. Dunne
*/
public class WorldXViewerEventManager implements IArtifactEventListener {
List<IWorldViewerEventHandler> handlers = new ArrayList<IWorldViewerEventHandler>();
static WorldXViewerEventManager instance;
public static void add(IWorldViewerEventHandler iWorldEventHandler) {
if (instance == null) {
instance = new WorldXViewerEventManager();
OseeEventManager.addListener(instance);
}
instance.handlers.add(iWorldEventHandler);
}
public static void remove(IWorldViewerEventHandler iWorldEventHandler) {
if (instance != null) {
instance.handlers.remove(iWorldEventHandler);
}
}
@Override
public void handleArtifactEvent(final ArtifactEvent artifactEvent, Sender sender) {
for (IWorldViewerEventHandler handler : new CopyOnWriteArrayList<IWorldViewerEventHandler>(handlers)) {
if (handler.isDisposed()) {
handlers.remove(handler);
}
}
try {
if (artifactEvent.getBranchGuid() == null || !artifactEvent.getBranchGuid().equals(
AtsUtil.getAtsBranch().getGuid())) {
return;
}
} catch (OseeCoreException ex) {
return;
}
final Collection<Artifact> modifiedArts =
artifactEvent.getCacheArtifacts(EventModType.Modified, EventModType.Reloaded);
final Collection<Artifact> relModifiedArts = artifactEvent.getRelCacheArtifacts();
final Collection<EventBasicGuidArtifact> deletedPurgedArts =
artifactEvent.get(EventModType.Deleted, EventModType.Purged);
Displays.ensureInDisplayThread(new Runnable() {
@Override
public void run() {
if (!deletedPurgedArts.isEmpty()) {
for (IWorldViewerEventHandler handler : handlers) {
if (!handler.isDisposed()) {
// allow handler to remove from model
handler.removeItems(deletedPurgedArts);
IContentProvider contentProvider = handler.getWorldXViewer().getContentProvider();
// remove from UI
if (contentProvider instanceof WorldContentProvider) {
handler.getWorldXViewer().remove(
deletedPurgedArts.toArray(new Object[deletedPurgedArts.size()]));
}
}
}
}
for (IWorldViewerEventHandler handler : handlers) {
if (!handler.isDisposed()) {
for (Artifact artifact : modifiedArts) {
try {
// Don't refresh deleted artifacts
if (artifact.isDeleted()) {
continue;
}
if (artifact instanceof IWorldViewArtifact) {
handler.getWorldXViewer().refresh(artifact);
// If parent is loaded and child changed, refresh parent
if (artifact instanceof StateMachineArtifact && ((StateMachineArtifact) artifact).getParentAtsArtifact() instanceof IWorldViewArtifact) {
handler.getWorldXViewer().refresh(
((StateMachineArtifact) artifact).getParentAtsArtifact());
}
}
} catch (OseeCoreException ex) {
OseeLog.log(AtsPlugin.class, Level.SEVERE, ex);
}
}
for (Artifact art : relModifiedArts) {
// Don't refresh deleted artifacts
if (art.isDeleted()) {
continue;
}
if (art instanceof IWorldViewArtifact) {
handler.getWorldXViewer().refresh(art);
// If parent is loaded and child changed, refresh parent
try {
if (art instanceof StateMachineArtifact && ((StateMachineArtifact) art).getParentAtsArtifact() instanceof IWorldViewArtifact) {
handler.getWorldXViewer().refresh(((StateMachineArtifact) art).getParentAtsArtifact());
}
} catch (OseeCoreException ex) {
OseeLog.log(AtsPlugin.class, Level.SEVERE, ex);
}
}
}
}
}
}
});
}
@Override
public List<? extends IEventFilter> getEventFilters() {
return AtsUtil.getAtsObjectEventFilters();
}
}
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