return PreferenceConstants.getPreferenceStore().getBoolean(
PreferenceConstants.EDITOR_QUICKASSIST_LIGHTBULB);
}
private void installSelectionListener() {
fListener = new ISelectionListenerWithAST() {
public void selectionChanged(IEditorPart part,
ITextSelection selection, Program astRoot) {
doSelectionChanged(selection.getOffset(),
selection.getLength(), astRoot);
}