reiern70 commented on a change in pull request #466:
URL: https://github.com/apache/wicket/pull/466#discussion_r609562730
##########
File path:
wicket-core/src/main/java/org/apache/wicket/markup/html/form/upload/FileUploadField.java
##########
@@ -47,6 +56,73 @@
{
private static final long serialVersionUID = 1L;
+ /**
+ * {@link org.apache.wicket.ajax.form.OnChangeAjaxBehavior} that
streams back to server properties
+ * of the selected file (at client side), even when file has not yet
being uploaded.
+s *
+ * @author Ernesto Reinaldo Barreiro (reier...@gmail.com).
+ */
+ public static abstract class OnFileSelectedBehavior extends
OnChangeAjaxBehavior
+ {
+ private static final long serialVersionUID = 1L;
+
+ @Override
+ protected void onBind() {
+ super.onBind();
+ Component component = getComponent();
+ if (!(component instanceof FileUploadField))
+ {
+ throw new WicketRuntimeException("Behavior " +
getClass().getName()
+ + " can only be added to an
instance of a FileUploadField");
+ }
+ }
+
+ @Override
+ protected void onUpdate(AjaxRequestTarget target)
+ {
+ Request request = RequestCycle.get().getRequest();
+ String fileName =
request.getRequestParameters().getParameterValue("fileName").toString();
Review comment:
fixed.
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