I've written a small component called @Watch for this. It calls a given listener whenever a value is changed. It uses a hidden field to submit the old value along with the new one. If you're interested I could post the code.
> -----Original Message----- > From: Stephane Decleire [mailto:[EMAIL PROTECTED] > Sent: Monday, May 29, 2006 4:11 PM > To: Tapestry users > Subject: Re: Retrieve the old value of a field in the form listener > > > Perhaps i took a wrong approach ... > In fact, i need to apply specific code if a particular field > of my form > has been updated and not in the other case. So i need to > compare the old > to the new value of this field but i can't find a way to get the old > value after the form has benn submitted ... > > Stephane Decleire wrote: > > > Hi all, > > > > I need to get the old value of a form field in the listener of this > > form but i can't get this value before it's been updated > with the data > > submitted by the client ... > > Any idea is welcome ! > > > > -- > Stéphane Decleire > > 05 56 57 99 20 > 06 63 78 69 06 > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
