/* Dispose old */
if (fShowingPresentation != null)
fShowingPresentation.dispose();
/* Create New */
INewsActionPresentation presentation = fNewsActionPresentationManager.getPresentation(action.getActionId());
if (presentation != null) {
presentation.create(this, data);
fShowingPresentation = presentation;
} else
fShowingPresentation = null;
fViewer.getControl().getParent().layout(true, true);