> Does this solve your problem?
Yes, I did a hybrid approach using your response and
Kent's responses. I need to clean it up a bit but it
is working. Thank you to you and Kent.
Larry Sherrill
--- "Muralidhar Y." <[EMAIL PROTECTED]> wrote:
> Easiest way to do is use the "ValidationDeligate" .
> Where you declare this
> validation deligate in your html page might not be
> that imp. But it has to
> be declared as a bean. In your jave class when you
> are iterating through the
> list of persons and when you find the red color
> there itself get the
> ValidationDeligate and record the error message in
> it. Rest of the things
> will be done by tapestry.
>
> First thing is you have to declare the deligate in
> the "Form" component.
>
> To get the validation deligate in your java code :-
> // getBeans() method is in AbstractComponent.
>
> ValidationDeligate
> vd=(ValidationDeligate)getBeans().getBean("nameOfThe
> ValidationDeligate bean");
>
> To record the message :-
> // there are three methods to record the error use
> one according to your
> convenience.
>
> Vd.setFormComponent(IFormComponent component);
> Vd.record(String message, ValidationConstraint
> constraint);
>
>
> In your html after propertyselction don't forget to
> write the following code
> :-
>
> Use "Conditional" component and the codition is
> ognl:beans.NameOfTheValidationDeligate.hasErrors
> and use your
> own decoration like "***" or images or anything.
>
> Does this solve your problem?
>
>
> Muralidhar Y
> Software Engineer,
> Adastrum technologies-Nikai groups,
> EmiratesGroup-I.T Division,
> Dubai, UAE.
> Mobile : 00971-50-2256149.
> http://www.adastrumtech.com
> http://www.mercator.aero
> (Keep Smiling. Be happy All The Time.)
>
> -----Original Message-----
> From: Larry Sherrill
> [mailto:[EMAIL PROTECTED]
> Sent: 03 October 2005 20:17
> To: Tapestry users
> Subject: Re: validating PropertySelection in each
> row of a table
>
> Thanks for the reply. I will move to Tapestry 4 soon
> but for now I need to
> implement in Tapestry 3.
>
> I have placed the Delegator component after the
> PropertySelection component
> within the TD tag. I don't understand how MyDelegate
> accesses the component
> that it needs to validate. Here is what I have so
> far:
> <pre>
> <td>
> <select jwcid="[EMAIL PROTECTED]"
> model="ognl:colors" value="ognl:color"></select>
> <span jwcid="@Delegator"
> delegate="ognl:myDelegate"/>
> </td>
>
> public class MyDelegate implements IRender {
>
> public void render(IMarkupWriter w, IRequestCycle
> c) {
> if (c.isRewinding()) {
> // validate component
> // - if user selected red then print "***"
> }
> }
>
> }
>
> Home.java has a getMyDelegate method.
> </pre>
>
> 1. How does the render method get access to the
> component it needs to valid
> to validate?
> 2. If I am in rewind then how does the *** ever get
> printed in case of error
> since output is swallowed.
>
> I am currently digging thru the source for
> ValidationDelegate for clues as
> well as looking thru Tapestry in Action and
> EnjoyWebDevWithTapestry.
>
> Thank you very much,
> Larry Sherrill
>
>
>
> --- Kent Tong <[EMAIL PROTECTED]> wrote:
>
> > Larry Sherrill <larrypsherrill <at> yahoo.com>
> > writes:
> >
> > > In my submit method I loop through the list of
> > Persons
> > > to validate that the favoriteColor is not the
> > choice
> > > "Red". If it is, then I want to mark the
> > corresponding
> > > propertySelection field with a "**" to the right
> > of
> > > the PropertySelection drop down.
> >
> > The cleanest solution is to upgrade to Tapestry 4
> where you can
> > provide a validator to validate your
> PropertySelection component.
> >
> > If you must stick to tapestry 3, you may add a
> Delegator component
> > just after your PropertySelection, implement
> IRender in code.
> > In that code you can perform the check if it's a
> rewind.
> >
> > --
> > Author of a book for learning Tapestry
> > (http://www.agileskills2.org/EWDT)
> >
> >
> >
>
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> >
>
>
>
>
> __________________________________
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