/**
* The <code>AbstractTextEditor</code> implementation of this <code>IWorkbenchPart</code> method
* may be extended by subclasses. Subclasses must call <code>super.dispose()</code>.
*
* <p>Note that many methods may return <code>null</code> after the editor is disposed.
*/
@Override
public void dispose() {
if (fTitleImage != null) {
fTitleImage.dispose();
fTitleImage = null;
}
disposeDocumentProvider();
if (fSourceViewer != null) {
fSourceViewer = null;
}
if (fConfiguration != null) fConfiguration = null;
IOperationHistory history = OperationHistoryFactory.getOperationHistory();
if (history != null) {
if (fNonLocalOperationApprover != null)
history.removeOperationApprover(fNonLocalOperationApprover);
if (fLinearUndoViolationApprover != null)
history.removeOperationApprover(fLinearUndoViolationApprover);
}
fNonLocalOperationApprover = null;
fLinearUndoViolationApprover = null;
super.dispose();
}
@Override
public void dispose() {
OperationHistoryFactory.getOperationHistory().removeOperationHistoryListener(historyListener);
sessionManager.removeSarosSessionListener(sessionListener);
editorManager.removeActivityListener(activityListener);
enabled = false;
eclipseHistory.removeOperationApprover(operationBlocker);
editorManager.removeSharedEditorListener(sharedEditorListener);
}
@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;
}