Prevent saving when binder has errors

amahdy · Nov 28, 2017 · 9adde21 · 9adde21
1 parent 7195905
commit 9adde21
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/main/java/org/vaadin/stepbystep/PersonEditorView.java b/src/main/java/org/vaadin/stepbystep/PersonEditorView.java
@@ -18,6 +18,9 @@ public PersonEditorView(Consumer<Person> saveEvt,
                             Function<Person, Person> cancelEvt,
                             Consumer<Person> delEvt) {
         binder.bindInstanceFields(this);
+        binder.setValidationStatusHandler(status -> {
+            save.setEnabled(status.isOk());
+        });
 
         save.addClickListener(evt -> saveEvt.accept(binder.getBean()));
         cancel.addClickListener(evt -> setPerson(cancelEvt.apply(binder.getBean())));