/*
* If the view is opened after session start, we have to check the
* permissions.
*
* (non-Javadoc)
*
* @see org.eclipse.gef.ui.parts.GraphicalEditor#initializeGraphicalViewer()
*/
@Override
protected void initializeGraphicalViewer() {
ISarosSession session = sessionManager.getSarosSession();
if (session != null) {
setEnabled(session.getLocalUser().hasWriteAccess());
}
}
/**
* Preselect project names for the remote projects. This method will either use an existing shared
* project and disable the option to change the preselected values or just generate a unique
* project name for new projects.
*
* <p>This method does <b>not</b> preselect values for existing projects unless they are already
* shared ! This can do more harm than indented when the user is so eager and just ignores all
* warnings that will be presented before he can finish the wizard.
*/
private void preselectProjectNames() {
final Set<String> reservedProjectNames = new HashSet<String>();
for (Entry<String, ProjectOptionComposite> entry : projectOptionComposites.entrySet()) {
String projectID = entry.getKey();
ProjectOptionComposite projectOptionComposite = entry.getValue();
de.fu_berlin.inf.dpp.filesystem.IProject project = session.getProject(projectID);
if (project == null) continue;
projectOptionComposite.setProjectName(true, project.getName());
projectOptionComposite.setEnabled(false);
reservedProjectNames.add(project.getName());
}
for (Entry<String, ProjectOptionComposite> entry : projectOptionComposites.entrySet()) {
String projectID = entry.getKey();
ProjectOptionComposite projectOptionComposite = entry.getValue();
de.fu_berlin.inf.dpp.filesystem.IProject project = session.getProject(projectID);
if (project != null) continue;
String projectNameProposal =
findProjectNameProposal(
remoteProjectNames.get(projectID), reservedProjectNames.toArray(new String[0]));
projectOptionComposite.setProjectName(false, projectNameProposal);
reservedProjectNames.add(projectNameProposal);
}
}
@Override
public void exec(IActivity activity) {
if (!(activity instanceof NOPActivity)) {
return;
}
NOPActivity nop = (NOPActivity) activity;
ISarosSession session = this.session;
IActivityListener listener = this.listener;
if (session == null) return;
if (listener == null) return;
/*
* if we have not send this message to ourself then reply back , do not
* use our JID as source as this would cause a infinite loop
*/
if (!nop.getSource().equals(session.getLocalUser())) {
NOPActivity response = new NOPActivity(nop.getSource(), nop.getSource(), nop.getID());
listener.created(response);
return;
}
int id = nop.getID();
CountDownLatch latch = synchronizeRequests.get(id);
if (latch != null) latch.countDown();
}
@Override
public void start() {
collector.flushFollowModes();
session.addActivityProducer(this);
session.addActivityConsumer(consumer);
session.addListener(sessionListener);
editor.addSharedEditorListener(followModeListener);
}
@Override
public void stop() {
session.removeActivityProducer(this);
session.removeActivityConsumer(consumer);
session.removeListener(sessionListener);
editor.removeSharedEditorListener(followModeListener);
collector.flushFollowModes();
}
@Override
public void followModeChanged(User target, boolean isFollowed) {
if (isFollowed) {
fireActivity(new StartFollowingActivity(session.getLocalUser(), target));
} else {
fireActivity(new StopFollowingActivity(session.getLocalUser()));
}
}
@Override
public void synchronizeOnActivityQueue(JID jid, long timeout) throws RemoteException {
ISarosSession session = this.session;
IActivityListener listener = this.listener;
// this is too lazy, but ok for testing purposes
if (session == null) throw new IllegalStateException("no session running");
if (listener == null) throw new IllegalStateException("no session running");
final CountDownLatch swtThreadSync = new CountDownLatch(1);
UIThreadRunnable.asyncExec(
new VoidResult() {
@Override
public void run() {
swtThreadSync.countDown();
}
});
try {
if (!swtThreadSync.await(
SarosSWTBotPreferences.SAROS_DEFAULT_TIMEOUT, TimeUnit.MILLISECONDS)) {
LOG.warn("could not synchronize on the SWT EDT");
}
} catch (InterruptedException e1) {
Thread.currentThread().interrupt();
}
int id = RANDOM.nextInt();
NOPActivity activity = new NOPActivity(session.getLocalUser(), session.getUser(jid), id);
CountDownLatch latch = new CountDownLatch(1);
synchronizeRequests.put(id, latch);
listener.created(activity);
try {
if (!latch.await(timeout, TimeUnit.MILLISECONDS))
throw new TimeoutException("no reply from " + jid);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
} finally {
synchronizeRequests.remove(id);
}
}
public void runDeleteAction() {
RosterEntry rosterEntry = null;
List<RosterEntry> selectedRosterEntries =
SelectionRetrieverFactory.getSelectionRetriever(RosterEntry.class).getSelection();
if (selectedRosterEntries.size() == 1) {
rosterEntry = selectedRosterEntries.get(0);
}
if (rosterEntry == null) {
LOG.error("RosterEntry should not be null at this point!"); // $NON-NLS-1$
return;
}
if (sessionManager != null) {
// Is the chosen user currently in the session?
ISarosSession sarosSession = sessionManager.getSarosSession();
String entryJid = rosterEntry.getUser();
if (sarosSession != null) {
for (User p : sarosSession.getUsers()) {
String pJid = p.getJID().getBase();
// If so, stop the deletion from completing
if (entryJid.equals(pJid)) {
MessageDialog.openError(
null, Messages.DeleteContactAction_error_title, DELETE_ERROR_IN_SESSION);
return;
}
}
}
}
if (MessageDialog.openQuestion(
null,
Messages.DeleteContactAction_confirm_title,
MessageFormat.format(
Messages.DeleteContactAction_confirm_message, toString(rosterEntry)))) {
try {
XMPPUtils.removeFromRoster(connectionService.getConnection(), rosterEntry);
} catch (XMPPException e) {
LOG.error(
"could not delete contact "
+ toString(rosterEntry) // $NON-NLS-1$
+ ":",
e); //$NON-NLS-1$
}
}
}
@Override
public void sessionStarted(ISarosSession newSarosSession) {
undoHistory.clear();
newSarosSession.addActivityProvider(UndoManager.this);
enabled = preferences.isConcurrentUndoActivated();
eclipseHistory.addOperationApprover(operationBlocker);
UndoManager.this.sarosSession = newSarosSession;
}
protected void redo(SPath editor) {
Operation op = calcRedoOperation(editor);
for (TextEditActivity activity : op.toTextEdit(editor, sarosSession.getLocalUser())) {
log.debug("redone: " + activity + " in " + editor);
fireActivity(activity);
}
}
@Override
public void sessionEnded(ISarosSession oldSarosSession) {
oldSarosSession.removeActivityProvider(UndoManager.this);
undoHistory.clear();
enabled = false;
eclipseHistory.removeOperationApprover(operationBlocker);
UndoManager.this.sarosSession = null;
currentLocalCompositeOperation = null;
currentLocalAtomicOperation = null;
}
protected void undo(SPath editor) {
Operation op = calcUndoOperation(editor);
log.debug("calculated undo: " + op);
// don't waste the network
if (op instanceof NoOperation) {
log.debug("nothing to undo in " + editor);
return;
}
for (TextEditActivity activity : op.toTextEdit(editor, sarosSession.getLocalUser())) {
log.debug("undone: " + activity + " in " + editor);
fireActivity(activity);
}
}
@Override
public void sessionEnded(ISarosSession session, SessionEndReason reason) {
session.removeListener(sessionListener);
setEnabledInSWTThread(true);
}
@Override
public void sessionStarted(ISarosSession session) {
session.addListener(sessionListener);
setEnabledInSWTThread(session.getLocalUser().hasWriteAccess());
}
@Override
protected void doOnSessionStart(ISarosSession sarosSession) {
editorManager.addSharedEditorListener(editorListener);
// set local users JID at the beginning of the session
localUser = sarosSession.getLocalUser();
}
