feature: ObservableList supports removeWhere

MikeMitterer · Jul 17, 2015 · d25c473 · d25c473
1 parent aea9f19
commit d25c473
Showing 1 changed file with 14 additions and 1 deletion.
diff --git a/lib/src/observable/ObservableList.dart b/lib/src/observable/ObservableList.dart
@@ -126,11 +126,24 @@ class ObservableList<T> extends ListBase<T> {
     }
 
     @override
-    bool remove(final Object element) {
+    bool remove(final T element) {
         _fire(new ListChangedEvent<T>(ListChangeType.REMOVE,item: element ));
         return _innerList.remove(element);
     }
 
+    @override
+    void removeWhere(bool test(final T element)) {
+        final List<T> itemsToRemove = new List<T>();
+
+        _innerList.forEach((final T element) {
+            if(test(element)) {
+                itemsToRemove.add(element);
+            }
+        });
+
+        itemsToRemove.forEach((final T element) => remove(element));
+    }
+
     //- private -----------------------------------------------------------------------------------
 
     void _fire(final ListChangedEvent<T> event) {