@Override
public void createPartControl(Composite parent) {
Assert.isTrue(!disposed);
super.createPartControl(parent);
IInformationPresenter presenter = new InformationPresenterWithLineTracker();
final ToolTipPresenterHandler tooltip = new ToolTipPresenterHandler(parent.getShell(), presenter);
GridLayout layout = new GridLayout();
layout.numColumns = 1;
layout.verticalSpacing = 2;