protected void updateEnablement() {
try {
List<JID> contacts =
SelectionRetrieverFactory.getSelectionRetriever(JID.class).getSelection();
this.setEnabled(connectionService.isConnected() && contacts.size() == 1);
} catch (NullPointerException e) {
this.setEnabled(false);
} catch (Exception e) {
if (!PlatformUI.getWorkbench().isClosing())
LOG.error("Unexpected error while updating enablement", e); // $NON-NLS-1$
}
}
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); //$NON-NLS-1$
}
}
}