Extra 7 | Add cancel event

amahdy · Jun 2, 2017 · f3d8304 · f3d8304
1 parent 5aa3539
commit f3d8304
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Showing 2 changed files with 9 additions and 2 deletions.
diff --git a/src/main/java/org/vaadin/stepbystep/MyUI.java b/src/main/java/org/vaadin/stepbystep/MyUI.java
@@ -33,6 +33,10 @@ public class MyUI extends UI {
         listPersons();
         grid.select(save);
 
+    }, person -> {
+        Person original = service.getById(person.getId());
+        grid.getDataProvider().refreshItem(original);
+        return original;
     });
 
     @Override

diff --git a/src/main/java/org/vaadin/stepbystep/PersonEditorView.java b/src/main/java/org/vaadin/stepbystep/PersonEditorView.java
@@ -5,6 +5,7 @@
 import org.vaadin.stepbystep.person.backend.Person;
 
 import java.util.function.Consumer;
+import java.util.function.Function;
 
 /**
  * Created by amahdy on 6/1/17.
@@ -13,10 +14,12 @@ public class PersonEditorView extends PersonEditorDesign {
 
     Binder<Person> binder = new Binder<>(Person.class);
 
-    public PersonEditorView(Consumer<Person> consumer) {
+    public PersonEditorView(Consumer<Person> saveEvt,
+                            Function<Person, Person> cancelEvt) {
         binder.bindInstanceFields(this);
 
-        save.addClickListener(evt -> consumer.accept(binder.getBean()));
+        save.addClickListener(evt -> saveEvt.accept(binder.getBean()));
+        cancel.addClickListener(evt -> setPerson(cancelEvt.apply(binder.getBean())));
     }
 
     public void setPerson(Person value) {