Added ObservableLists.map() utility method

webfx-project · May 8, 2024 · 4cacce2 · 4cacce2
1 parent d7791f6
commit 4cacce2
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/webfx-kit/webfx-kit-util/src/main/java/dev/webfx/kit/util/properties/ObservableLists.java b/webfx-kit/webfx-kit-util/src/main/java/dev/webfx/kit/util/properties/ObservableLists.java
@@ -6,6 +6,7 @@
 import dev.webfx.platform.util.function.Converter;
 import javafx.beans.binding.BooleanExpression;
 import javafx.beans.property.SimpleBooleanProperty;
+import javafx.collections.FXCollections;
 import javafx.collections.ListChangeListener;
 import javafx.collections.ObservableList;
 
@@ -46,7 +47,7 @@ public static <A, B> void setAllNonNullsConverted(List<A> aList, Converter<A, B>
         setAllNonNulls(bList, Collections.map(aList, aToBConverter));
     }
 
-    public static <T> void bind(ObservableList<T> list1, ObservableList<T> list2) {
+    public static <A, B extends A> void bind(ObservableList<A> list1, ObservableList<B> list2) {
         runNowAndOnListChange(c -> list1.setAll(list2), list2);
     }
 
@@ -58,6 +59,12 @@ public static <A, B> void bindConverted(ObservableList<A> aList, ObservableList<
         runNowAndOnListChange(c -> setAllConverted(bList, bToAConverter, aList), bList);
     }
 
+    public static <A, B> ObservableList<A> map(ObservableList<B> bList, Converter<B, A> bToAConverter) {
+        ObservableList<A> aList = FXCollections.observableArrayList();
+        bindConverted(aList, bList, bToAConverter);
+        return aList;
+    }
+
     public static <T> void runNowAndOnListChange(ListChangeListener<T> listener, ObservableList<T> list) {
         listener.onChanged(null);
         runOnListChange(listener, list);