Question

Is there a way to upload an image to the server using smart gwt? I noticed there isn’t an image upload widget. Does anyone know of some open source code I could use to do this. Right now I’m using a regular upload form, that forces the page to reload.

Answer 1

I believe Smart does provide this functionality Upload.

The key is to use a hidden iframe page as the target so your app does not get reloaded.

This blog post seems to cover it.

For the JSNI on you hidden page in your app want something like:

public static native void uploadComplete() /*-{
  $wnd.alert('Upload Complete');
}-*/;

Then on the hidden page specify in the body onLoad

window.parent.UploadComplete();