/**
* Anzeige der Schritte
*/
public String FilterAlleStart() {
try {
this.myFilteredDataSource = new UserDefinedStepFilter(true);
this.myFilteredDataSource.getObservable().addObserver(new Helper().createObserver());
((UserDefinedStepFilter) this.myFilteredDataSource).setFilterModes(this.nurOffeneSchritte, this.nurEigeneSchritte);
this.myFilteredDataSource.setFilter(this.filter);