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/*
* Created on Jun 30, 2010
*
* PLACE_YOUR_DISTRIBUTION_STATEMENT_RIGHT_HERE
*/
package org.eclipse.osee.framework.ui.skynet;
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.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 ArtifactExplorers in order to keep number of registrations and processing to a
* minimum.
*
* @author Donald G. Dunne
*/
public class ArtifactExplorerEventManager implements IArtifactEventListener {
List<IArtifactExplorerEventHandler> handlers = new ArrayList<IArtifactExplorerEventHandler>();
static ArtifactExplorerEventManager instance;
public static void add(IArtifactExplorerEventHandler iWorldEventHandler) {
if (instance == null) {
instance = new ArtifactExplorerEventManager();
OseeEventManager.addListener(instance);
}
instance.handlers.add(iWorldEventHandler);
}
public static void remove(IArtifactExplorerEventHandler iWorldEventHandler) {
if (instance != null) {
instance.handlers.remove(iWorldEventHandler);
}
}
@Override
public List<? extends IEventFilter> getEventFilters() {
// Can't filter cause this class handles all artifact explorers which can care about different branches
return null;
}
@Override
public void handleArtifactEvent(final ArtifactEvent artifactEvent, Sender sender) {
for (IArtifactExplorerEventHandler handler : new CopyOnWriteArrayList<IArtifactExplorerEventHandler>(handlers)) {
if (handler.isDisposed()) {
handlers.remove(handler);
}
}
System.out.println("ArtifacExplorer: handleArtifactEvent called [" + artifactEvent + "] - sender " + sender + "");
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 (IArtifactExplorerEventHandler handler : handlers) {
if (!handler.isDisposed()) {
handler.getArtifactExplorer().getTreeViewer().remove(
deletedPurgedArts.toArray(new Object[deletedPurgedArts.size()]));
}
}
}
for (IArtifactExplorerEventHandler handler : handlers) {
if (!handler.isDisposed()) {
for (Artifact artifact : modifiedArts) {
// Don't refresh deleted artifacts
if (artifact.isDeleted()) {
continue;
}
handler.getArtifactExplorer().getTreeViewer().update(artifact, null);
}
for (Artifact art : relModifiedArts) {
try {
// Don't refresh deleted artifacts
if (art.isDeleted()) {
continue;
}
if (!art.isDeleted()) {
handler.getArtifactExplorer().getTreeViewer().refresh(art);
if (art.getParent() != null) {
handler.getArtifactExplorer().getTreeViewer().refresh(art.getParent());
}
}
} catch (Exception ex) {
OseeLog.log(SkynetGuiPlugin.class, Level.SEVERE, ex);
}
}
}
}
}
});
}
}
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