private void showNullContextViewer() { fCurrentContextViewer= fNullContextViewer; fCurrentDescriptor= null; fContextViewerContainer.showPage(fCurrentContextViewer.getControl()); }
if (descriptor != null) { newViewer= descriptor.createViewer(); newViewer.createControl(fContextViewerContainer); } else { newViewer= fNullContextViewer; newViewer.setInput(context); if (fCurrentContextViewer != null && fCurrentContextViewer != fNullContextViewer) fCurrentContextViewer.getControl().dispose(); fCurrentContextViewer= newViewer; fContextViewerContainer.showPage(fCurrentContextViewer.getControl()); } else { fCurrentContextViewer.setInput(context);