1 files changed, 13 insertions, 0 deletions
diff --git a/src/de/fhswf/in/inf/se/projektthemenvergabe/model/Projekt.java b/src/de/fhswf/in/inf/se/projektthemenvergabe/model/Projekt.java
index 5dcde85..7611ff8 100644
--- a/src/de/fhswf/in/inf/se/projektthemenvergabe/model/Projekt.java
+++ b/src/de/fhswf/in/inf/se/projektthemenvergabe/model/Projekt.java
@@ -5,12 +5,14 @@ import java.util.Collections;
 import java.util.Date;
 import java.util.List;
 
+import javafx.beans.Observable;
 import javafx.beans.property.ObjectProperty;
 import javafx.beans.property.SimpleObjectProperty;
 import javafx.beans.property.SimpleStringProperty;
 import javafx.beans.property.StringProperty;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
+import javafx.util.Callback;
 
 public class Projekt
 {
@@ -31,6 +33,17 @@ public class Projekt
    private StringProperty status = new SimpleStringProperty(
          getStatusList().get(0));
 
+   /**
+    * Generates an extractor that fires when a property of a list value
+    * changes.
+    *
+    * @return The extractor.
+    */
+   public static Callback<Projekt, Observable[]> extractor()
+   {
+      return projekt -> new Observable[] { projekt.statusProperty() };
+   }
+
    public static ObservableList<String> getStatusList()
    {
       ObservableList<String> status = FXCollections.observableArrayList();