We use an inexpensive commercial product called Plupload to achieve the effect you describe. http://www.plupload.com/
A mounted Wicket resource receives the uploads. It does quite well, though not so well that testing in your target browsers isn't necessary. :) On Mon, Dec 12, 2011 at 11:02 AM, Martin Grigorov <[email protected]>wrote: > Hi, > > I think this feature works only on new browsers, HTML5 ones. > See wicketstuff html5 project. There is an integration with the new > File API, part of HTML5 > > On Mon, Dec 12, 2011 at 7:38 PM, Bertrand Guay-Paquet > <[email protected]> wrote: > > Hello, > > > > I want to implement the functionality provided by Wicket's JIRA for > > attaching images to an issue. > > > > Essentially, when a file name is selected, it is uploaded via ajax and > the > > form submit button is disabled while uploading takes place. When the > upload > > is complete, an image thumbnail is updated and the submit button is > > re-enabled. > > > > I know how to generate a thumbnail of an image, so don't answer that > part. > > Also, disabling and enabling the button is an easy task. I struggle with > the > > file uploading part... > > > > I tried simply adding a AjaxFormComponentUpdatingBehavior("onchange") to > my > > FileUploadField but all I get using that is the feedback message "Field > > 'file' is required." > > > > Any ideas? > > > > Thanks, > > Bertrand > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [email protected] > > For additional commands, e-mail: [email protected] > > > > > > -- > Martin Grigorov > jWeekend > Training, Consulting, Development > http://jWeekend.com > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > >
