TMP 0

lib/utils/mobx.dart

@@ -0,0 +1,45 @@
+import 'package:mobx/mobx.dart';
+
+Dispose connectDifferent<T, Y>(ObservableList<T> source, ObservableList<Y> dest,
+    Y Function(T) transform, {bool Function(T) filter}) {
+  return source.observe((change) {
+    switch (change.type) {
+      case OperationType.add:
+        final _values = change.added;
+        Iterable<T> values;
+
+        if (filter != null) {
+          values = _values.where(filter);
+        }
+
+        dest.addAll(values.map((e) => transform(e)));
+        break;
+      case OperationType.remove:
+        print(change.index);
+        print(change.removed);
+        change.removed.forEach((element) { dest.remove(element); });
+
+//        dest.removeAt(change.index);
+        break;
+      case OperationType.update:
+//        change.index
+        break;
+    }
+  });
+}
+
+Dispose connect<T>(ObservableList<T> source, ObservableList<T> dest) {
+  return source.observe((change) {
+    switch (change.type) {
+      case OperationType.add:
+        dest.addAll(change.added);
+        break;
+      case OperationType.remove:
+        dest.removeAt(change.index);
+        break;
+      case OperationType.update:
+//        change.index
+        break;
+    }
+  });
+}