* @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
*/
@Override
public void init(final IWorkbench workbench) {
fColorManager = new ColorManager();
fOverlayStore = new OverlayPreferenceStore(ErlideUIPlugin.getDefault()
.getPreferenceStore(), new OverlayPreferenceStore.OverlayKey[] {});
fOverlayStore.addKeys(createOverlayStoreKeys());
fOverlayStore.load();
fOverlayStore.start();