I ended up doing it all server side - overriding onSelectionChanged* and setting a selectedItem attribute. We then override isSelectedItem and return true if the given item 'equals' selectedItem - must make sure your IModel and domain classes all override equals and test for class match and non null operand.
>-----Original Message----- >From: Martin Grigorov [mailto:mgrigo...@apache.org] >Sent: Friday, 25 March 2011 10:35 PM >To: users@wicket.apache.org >Subject: Re: Best way to periodically refresh an inmethod DataGrid? > >If you update the just the selected row then the selection will be lost. >You may try with some JavaScript gymnastics to save the selection and >restore it later. >Use AjaxRequestTarget.prependJavascript() for the saving code and >.appendJavascript() for the restoring code. > >The JavaScript to deal with selection is different for the different >browsers, so better find a JS library that does it for you. > >Good luck! > >On Thu, Mar 24, 2011 at 11:38 PM, Coleman, Chris < >chris.cole...@thalesgroup.com.au> wrote: > >> We've got a wicket app with an inmethod DataGrid and it displays fine and >> we use an AjaxSelfUpdatingTimerBehaviour to update the grid every 5 >seconds. >> That part works fine - as data changes in the database the changes are >> reflected in the table in the browser.... >> >> However, if we select an item the selection dissappears when the very >next >> refresh occurs. How do we refresh the DataGrid in such a way that it >> remembers its selected item after a refresh? >> >> >> >> >> DISCLAIMER:------------------------------------------------------------- - >------------- >> This e-mail transmission and any documents, files and previous e-mail >> messages >> attached to it are private and confidential. They may contain proprietary >> or copyright >> material or information that is subject to legal professional privilege. >> They are for >> the use of the intended recipient only. Any unauthorised viewing, use, >> disclosure, >> copying, alteration, storage or distribution of, or reliance on, this >> message is >> strictly prohibited. No part may be reproduced, adapted or transmitted >> without the >> written permission of the owner. If you have received this transmission >in >> error, or >> are not an authorised recipient, please immediately notify the sender by >> return email, >> delete this message and all copies from your e-mail system, and destroy >any >> printed >> copies. Receipt by anyone other than the intended recipient should not be >> deemed a >> waiver of any privilege or protection. Thales Australia does not warrant >or >> represent >> that this e-mail or any documents, files and previous e-mail messages >> attached are >> error or virus free. >> >> ------------------------------------------------------------------------ - >------------- >> >> > > >-- >Martin Grigorov >jWeekend >Training, Consulting, Development >http://jWeekend.com <http://jweekend.com/> --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
