Behavior os select is such that ittries to update whatever is target "Selected ". In this case , it will try to update boolean value, which won't give us correct value after form submit
-----Original Message----- From: Peter Svensson [mailto:[EMAIL PROTECTED] Sent: Friday, March 10, 2006 2:29 PM To: Tapestry users Subject: Re: Creating Form Components in loop But can't you just call another mehtod which peruse ageRange and produces a boolean, like; <option jwcid="@Option" selected="ognl:eventRegistrationUpdate.checkIt"> And in the class; public boolean getCheckIt() { boolean rv = false; Object o = getAgeRange(); ... ... check o (or whatever it is) an determine if you should return true or false ... return rv; } Cheers, PS On 3/10/06, Madan, Vishal (Home Office) <[EMAIL PROTECTED]> wrote: > > <option jwcid="@Option" > selected="ognl:eventRegistrationUpdate.ageRange" > > in this "selected" always expects boolean value. As the value > eventRegistrationUpdate.ageRange is not boolean , it is setting all > options as selected. > > > > > -----Original Message----- > From: Peter Svensson [mailto:[EMAIL PROTECTED] > Sent: Friday, March 10, 2006 1:35 PM > To: Tapestry users > Subject: Re: Creating Form Components in loop > > > But the problem is that it doesn't work. You do get an exception when > you > try to reach that page. > > Note that for each loop, the current object in the loop is set in the > value > argument to the For/ForEach component, which in your case is > > eventRegistrationUpdates.ageRange > > Which translates to > > getEventregistrationsUpdates().getAgeRange(); > > Or set*, when the value is set. > > Hmm. I think that what you really want to do is to have a separate > object > which is set each loop and contain the current 'EventRegistraionUpdate' > or > so. > > So if you change it to > > <span jwcid="@Foreach" source="ognl:application.ageRangeList" > value="ognl:eventRegistrationUpdate"> > > > and add to you class > > public abstract Object getEventRegistrationUpdate(); > public abstract void setEventRegistrationUpdate(Object o); > > Then you can use that in the option; > > <option jwcid="@Option" > selected="ognl:eventRegistrationUpdate.ageRange" > label="ognl:eventRegistrationUpdate.ageRange.description"/> > > ... > > ... > > Oh wait. Now I see. You just have to cut out the last part of the value > in > the For statement, and you're done. > > Cheers, > PS > > > > > On 3/10/06, Madan, Vishal (Home Office) <[EMAIL PROTECTED]> wrote: > > > > You are correct. I tried with boolean first. But to show pre selection > > in select boxes , I have to pass paramter(ageRange). Other wise It has > > no way of showing pre selection > > > > -----Original Message----- > > From: Peter Svensson [mailto:[EMAIL PROTECTED] > > Sent: Friday, March 10, 2006 1:23 PM > > To: Tapestry users > > Subject: Re: Creating Form Components in loop > > > > > > This isn't really what I know, but I think that is is generally very > > tricky > > to pass parameters to a method referred to with ognl. In general I > just > > make > > a boolean method with no arguments whatever, and then just use > > getBinding("foo") or just getAgeRange() to set temporary variables in > > that > > method. It feel seasier, I think. > > > > Cheers, > > PS > > > > On 3/10/06, Madan, Vishal (Home Office) <[EMAIL PROTECTED]> wrote: > > > > > > Thanks for reply. I am able to show the pre selection using > > > <option selected = > > "ognl:isSelected(eventRegistrationUpdates.ageRange)"> > > > But when I update the select box values and submit the form I get an > > > exception > > > Unable to ognl expression > > isSelected(eventRegistrationUpdates.ageRange) > > > to false > > > > > > -----Original Message----- > > > From: Peter Svensson [mailto:[EMAIL PROTECTED] > > > Sent: Friday, March 10, 2006 1:04 PM > > > To: Tapestry users > > > Subject: Re: Creating Form Components in loop > > > > > > > > > Hmm. What kind of error or faulty output do you get? > > > > > > I lack a Form component that wraps the whole thing. Maybe the @For > at > > > the > > > top should actually be a @Form of some sort. > > > Please look at the > > > > > > On 3/10/06, Madan, Vishal (Home Office) <[EMAIL PROTECTED]> wrote: > > > > > > > > I want to create form components( Select Boxes) in loop. My > problem > > is > > > > how do I display pre selected values in those select boxes. > > > > page does not know about those components as they are created on > the > > > run > > > > time and not defined in the > > > > .page specification. > > > > > > > > > > > > > > > > <span jwcid="@For" source="ognl:eventRegistrationUpdates" > > > > value="ognl:eventRegistrationUpdate"> > > > > > > > > <select jwcid="[EMAIL PROTECTED]" id="ageRangeListID" > > > > tabindex="140"> > > > > > > > > <option value="">-- Select --</option> > > > > > > > > <span jwcid="@Foreach" source="ognl:application.ageRangeList" > > > > value="ognl:eventRegistrationUpdates.ageRange"> > > > > > > > > <option jwcid="@Option" > > > > selected="ognl: eventRegistrationUpdates.ageRange" > > > > label="ognl:eventRegistrationUpdates.ageRange.description"/> > > > > > > > > </span> > > > > > > > > </select> > > > > </span> > > > > eventRegistrationUpdates is a object that I loop through. Now I > have > > > to > > > > display pre selected values in every select box ( value from > > > > eventRegistrationUpdates object) > > > > > > > > > > > > > > ______________________________________________________________________ > > > > This e-mail has been scanned by The Leukemia & Lymphoma Society > > > Managed > > > > Email Content Service, provided by MCI and Message Labs. > > > > > > > > NOTICE: This message, including all attachments transmitted with > it, > > > is > > > > for the use of the addressee only. It may contain proprietary, > > > confidential > > > > and/or legally privileged information. No confidentiality or > > privilege > > > is > > > > waived or lost by any mistransmission. If you are not the intended > > > > recipient, you must not, directly or indirectly, use, disclose, > > > distribute, > > > > print or copy any part of this message. 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