Add change event for Upload (#13222)

Change-Id: I9850888b1997104cbc493ae0882316a9d2b1cedd

1 files changed, 19 insertions, 0 deletions

diff --git a/client/src/com/vaadin/client/ui/upload/UploadConnector.java b/client/src/com/vaadin/client/ui/upload/UploadConnector.java
index 989a913adc..03f1a2802c 100644
--- a/client/src/com/vaadin/client/ui/upload/UploadConnector.java
+++ b/client/src/com/vaadin/client/ui/upload/UploadConnector.java
@@ -16,13 +16,17 @@
 
 package com.vaadin.client.ui.upload;
 
+import com.google.gwt.event.dom.client.ChangeEvent;
+import com.google.gwt.event.dom.client.ChangeHandler;
 import com.vaadin.client.ApplicationConnection;
 import com.vaadin.client.Paintable;
 import com.vaadin.client.UIDL;
 import com.vaadin.client.ui.AbstractComponentConnector;
 import com.vaadin.client.ui.VUpload;
+import com.vaadin.shared.EventId;
 import com.vaadin.shared.ui.Connect;
 import com.vaadin.shared.ui.upload.UploadClientRpc;
+import com.vaadin.shared.ui.upload.UploadServerRpc;
 import com.vaadin.ui.Upload;
 
 @Connect(Upload.class)
@@ -39,6 +43,21 @@ public class UploadConnector extends AbstractComponentConnector implements
     }
 
     @Override
+    protected void init() {
+        super.init();
+
+        getWidget().fu.addChangeHandler(new ChangeHandler() {
+            @Override
+            public void onChange(ChangeEvent event) {
+                if (hasEventListener(EventId.CHANGE)) {
+                    getRpcProxy(UploadServerRpc.class).change(
+                            getWidget().fu.getFilename());
+                }
+            }
+        });
+    }
+
+    @Override
     public void updateFromUIDL(UIDL uidl, ApplicationConnection client) {
         if (!isRealUpdate(uidl)) {
             return;